80.	INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY
	81.	Materials science
	81.05.-t	Specific materials: fabrication, treatment, testing, and analysis
	... ... ...	Superconducting materials, see 74.70.−b and 74.72.−h
	... ... ...	Magnetic materials, see 75.50.−y
	... ... ...	Optical materials, see 42.70.−a
	... ... ...	Dielectric, piezoelectric, and ferroelectric materials, see 77.84.−s
	... ... ...	Colloids, gels, and emulsions, see 82.70.Dd, Gg, Kj
	... ... ...	Biomaterials, see 87.85.J−
	... ... ...	Molecular sieves, zeolites, and other complex materials, see 82.75.−z
	81.05.Bx	Metals, semimetals, and alloys
	81.05.Cy	Elemental semiconductors (for semiconductors in electrochemistry, see 82.45.Vp)
	81.05.Dz	II–VI semiconductors
	81.05.Ea	III–V semiconductors
	81.05.Gc	Amorphous semiconductors
	81.05.Hd	Other semiconductors
	81.05.Je	Ceramics and refractories (including borides, carbides, hydrides, nitrides, oxides, and silicides) (for ceramics in electrochemistry, see 82.45.Yz)
	81.05.Kf	Glasses (including metallic glasses)
	81.05.Lg	Polymers and plastics; rubber; synthetic and natural fibers; organometallic and organic materials (for polymers and organic materials in electrochemistry, see 82.45.Wx)
	81.05.Mh	Cermets, ceramic and refractory composites
	81.05.Ni	Dispersion-, fiber-, and platelet-reinforced metal-based composites
	81.05.Pj	Glass-based composites, vitroceramics
	81.05.Qk	Reinforced polymers and polymer-based composites
	81.05.Rm	Porous materials; granular materials (for granular superconductors, see 74.81.Bd)
	81.05.Tp	Fullerenes and related materials
	81.05.Uw	Carbon, diamond, graphite
	81.05.Zx	New materials: theory, design, and fabrication
S	81.07.-b	Nanoscale materials and structures: fabrication and characterization
M	81.07.-b	Nanoscale materials and structures: fabrication and characterization (for structure of nanoscale materials, see 61.46.−w; for nanostructured materials in electrochemistry, see 82.45.Yz; for nanoparticles in polymers, see 82.35.Np in physical chemistry and chemical physics; see also 62.23.−c Structural classes of nanoscale systems in mechanical properties of condensed matter)
	81.07.Bc	Nanocrystalline materials
	81.07.De	Nanotubes
	81.07.Lk	Nanocontacts
	81.07.Nb	Molecular nanostructures
	81.07.Pr	Organic-inorganic hybrid nanostructures
	81.07.St	Quantum wells
	81.07.Ta	Quantum dots
	81.07.Vb	Quantum wires
	81.07.Wx	Nanopowders
	81.10.-h	Methods of crystal growth; physics of crystal growth (for crystal structure, see section 61)
	81.10.Aj	Theory and models of crystal growth; physics of crystal growth, crystal morphology, and orientation
	81.10.Bk	Growth from vapor
	81.10.Dn	Growth from solutions
	81.10.Fq	Growth from melts; zone melting and refining
	81.10.Jt	Growth from solid phases (including multiphase diffusion and recrystallization)
	81.10.Mx	Growth in microgravity environments
	81.15.-z	Methods of deposition of films and coatings; film growth and epitaxy (for structure of thin films, see 68.55.−a; see also 85.40.Sz Deposition technology in microelectronics)
	81.15.Aa	Theory and models of film growth
	81.15.Cd	Deposition by sputtering
	81.15.Ef	Vacuum deposition
	81.15.Fg	Laser deposition
	81.15.Gh	Chemical vapor deposition (including plasma-enhanced CVD, MOCVD, etc.) (for chemistry of MOCVD, see 82.33.Ya in physical chemistry and chemical physics)
	81.15.Hi	Molecular, atomic, ion, and chemical beam epitaxy
	81.15.Jj	Ion and electron beam-assisted deposition; ion plating (see also 52.77.Dq Plasma-based ion implantation and deposition in physics of plasmas)
	81.15.Kk	Vapor phase epitaxy; growth from vapor phase
	81.15.Lm	Liquid phase epitaxy; deposition from liquid phases (melts, solutions, and surface layers on liquids)
	81.15.Np	Solid phase epitaxy; growth from solid phases
	81.15.Pq	Electrodeposition, electroplating
	81.15.Rs	Spray coating techniques
	81.16.-c	Methods of nanofabrication and processing (for femtosecond probing of semiconductor nanostructures, see 82.53.Mj in physical chemistry and chemical physics)
	81.16.Be	Chemical synthesis methods
	81.16.Dn	Self-assembly
	81.16.Fg	Supramolecular and biochemical assembly
	81.16.Hc	Catalytic methods
	81.16.Mk	Laser-assisted deposition
	81.16.Nd	Nanolithography
	81.16.Pr	Nanooxidation (see also 82.37.Np Single molecule reaction kinetics in physical chemistry and chemical physics)
	81.16.Rf	Nanoscale pattern formation
S	81.16.Ta	Atom manipulation
M	81.16.Ta	Atom manipulation (see also 82.37.Gk STM and AFM manipulation of a single-molecule in physical chemistry; 37.10.Gh Atom traps and guides; 37.10.Pq Trapping of molecules; 87.80.Nj Single-molecule techniques in biological physics; 82.37.Rs Single-molecule manipulation of proteins and other biological molecules in physical chemistry)
S	81.20.-n	Methods of materials synthesis and materials processing
M	81.20.-n	Methods of materials synthesis and materials processing (for ion implantation and doping, see 61.72.U−)
	... ... ...	Crystal growth, see 81.10.−h
	... ... ...	Film deposition, film growth, and epitaxy, see 81.15.−z
	81.20.Ev	Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation
	81.20.Fw	Sol–gel processing, precipitation
	81.20.Hy	Forming; molding, extrusion etc.
	81.20.Ka	Chemical synthesis; combustion synthesis (for electrochemical synthesis, see 82.45.Aa)
	... ... ...	Chemical vapor deposition, see 81.15.Gh
	81.20.Rg	Aerosols in materials synthesis and processing
	81.20.Vj	Joining; welding
	81.20.Wk	Machining, milling
	81.20.Ym	Purification
S	81.30.-t	Phase diagrams and microstructures developed by solidification and solid–solid phase transformations
M	81.30.-t	Phase diagrams and microstructures developed by solidification and solid–solid phase transformations (see also 64.70.K− Solid–solid transitions)
	81.30.Bx	Phase diagrams of metals and alloys
	81.30.Dz	Phase diagrams of other materials (for phase diagrams of superconductors, see 74.25.Dw)
	81.30.Fb	Solidification
	81.30.Hd	Constant-composition solid–solid phase transformations: polymorphic, massive, and order–disorder
	81.30.Kf	Martensitic transformations
S	81.30.Mh	Solid-phase precipitation
M	81.30.Mh	Solid-phase precipitation (see also 64.75.−g Phase equilibria)
	81.40.-z	Treatment of materials and its effects on microstructure and properties
S	81.40.Cd	Solid solution hardening, precipitation hardening, and dispersion hardening; aging
M	81.40.Cd	Solid solution hardening, precipitation hardening, and dispersion hardening; aging (see also 64.75.Nx Phase separation and segregation in solid solutions)
	81.40.Ef	Cold working, work hardening; annealing, post-deformation annealing, quenching, tempering recovery, and crystallization
	81.40.Gh	Other heat and thermomechanical treatments
	81.40.Jj	Elasticity and anelasticity, stress-strain relations
	81.40.Lm	Deformation, plasticity, and creep (see also 83.50.−v Deformation and flow in rheology)
S	81.40.Np	Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure
M	81.40.Np	Fatigue, corrosion fatigue, embrittlement, cracking, fracture, and failure (see also 62.20.M− Structural failure of materials)
	81.40.Pq	Friction, lubrication, and wear
	81.40.Rs	Electrical and magnetic properties (related to treatment conditions)
	81.40.Tv	Optical and dielectric properties (related to treatment conditions)
S	81.40.Vw	Pressure treatment
M	81.40.Vw	Pressure treatment (see also 62.50.−p High-pressure effects in solids and liquids)
	81.40.Wx	Radiation treatment (particle and electromagnetic) (see also 61.80.−x Physical radiation effects, radiation damage)
	... ... ...	Etching, corrosion, oxidation, and other surface treatments, see 81.65.−b
	81.65.-b	Surface treatments (see also 85.40.−e Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology)
	81.65.Cf	Surface cleaning, etching, patterning (see also 52.77.Bn Etching and cleaning in physics of plasmas)
	81.65.Kn	Corrosion protection (see also 82.45.Bb Corrosion and passivation in electrochemistry)
	81.65.Lp	Surface hardening: nitridation, carburization, carbonitridation
	81.65.Mq	Oxidation
	81.65.Ps	Polishing, grinding, surface finishing
	81.65.Rv	Passivation (see also 82.45.Bb Corrosion and passivation in electrochemistry)
	81.65.Tx	Gettering
	81.70.-q	Methods of materials testing and analysis (for specific chemical analysis methods, see 82.80.−d)
	81.70.Bt	Mechanical testing, impact tests, static and dynamic loads
	81.70.Cv	Nondestructive testing: ultrasonic testing, photoacoustic testing
	81.70.Ex	Nondestructive testing: electromagnetic testing, eddy-current testing
	81.70.Fy	Nondestructive testing: optical methods
	81.70.Ha	Testing in microgravity environments
	81.70.Jb	Chemical composition analysis, chemical depth and dopant profiling
	81.70.Pg	Thermal analysis, differential thermal analysis (DTA), differential thermogravimetric analysis
	81.70.Tx	Computed tomography
	81.90.+c	Other topics in materials science (restricted to new topics in section 81)
	82.	Physical chemistry and chemical physics
	... ... ...	Electronic structure theory of atoms and molecules, see 31.15.−p
	... ... ...	Electronic structure theory of condensed matter, see section 71
	... ... ...	Electronic structure theory for biomolecules, see 87.10.−e
	... ... ...	Electronic structure of macromolecules and polymer molecules, see 36.20.Kd
	... ... ...	Geochemistry, see 91.67.−y
	... ... ...	Chemistry of the ocean, see 92.20.Cm
	... ... ...	Chemistry of fresh water, see 92.40.Bc
	... ... ...	Ion chemistry of the atmosphere, see 92.60.Ls
	... ... ...	Chemical reactions in scattering of atoms and molecules, see 34.50.Lf
	82.20.-w	Chemical kinetics and dynamics
S	82.20.Bc	State selected dynamics and product distribution
M	82.20.Bc	State selected dynamics and product distribution
	82.20.Db	Transition state theory and statistical theories of rate constants
	82.20.Ej	Quantum theory of reaction cross section
	82.20.Fd	Collision theories; trajectory models
	82.20.Gk	Electronically non-adiabatic reactions
	82.20.Hf	Product distribution (for state selected dynamics and product distribution, see 82.20.Bc)
S	82.20.Kh	Potential energy surfaces for chemical reactions
M	82.20.Kh	Potential energy surfaces for chemical reactions (for potential energy surfaces for collisions, see 34.20.−b in atomic and molecular collisions and interactions)
	82.20.Ln	Semiclassical theory of reactions and/or energy transfer
	82.20.Nk	Classical theories of reactions and/or energy transfer
	82.20.Pm	Rate constants, reaction cross sections, and activation energies
S	82.20.Rp	State to state energy transfer
M	82.20.Rp	State to state energy transfer (see also 31.70.Hq Time-dependent phenomena—in atomic and molecular physics)
	82.20.Sb	Correlation function theory of rate constants and its applications
	82.20.Tr	Kinetic isotope effects including muonium
	82.20.Uv	Stochastic theories of rate constants
	82.20.Wt	Computational modeling; simulation
	82.20.Xr	Quantum effects in rate constants (tunneling, resonances, etc.)
	82.20.Yn	Solvent effects on reactivity
	82.30.-b	Specific chemical reactions; reaction mechanisms
	82.30.Cf	Atom and radical reactions; chain reactions; molecule-molecule reactions
	82.30.Fi	Ion–molecule, ion–ion, and charge-transfer reactions (see also 34.70.+e Charge transfer in atomic and molecular collisions)
	... ... ...	Charge transfer in enzymes, see 82.39.Jn and 87.15.R−
S	82.30.Gg	Positronium chemistry
M	82.30.Gg	Positronium chemistry (see also 36.10.Dr Positronium in atomic and molecular physics; 78.70.Bj Positron annihilation in interactions of particles and radiation with matter)
	82.30.Hk	Chemical exchanges (substitution, atom transfer, abstraction, disproportionation, and group exchange)
	82.30.Lp	Decomposition reactions (pyrolysis, dissociation, and fragmentation)
	82.30.Nr	Association, addition, insertion, cluster formation
	82.30.Qt	Isomerization and rearrangement
	82.30.Rs	Hydrogen bonding, hydrophilic effects
	82.30.Vy	Homogeneous catalysis in solution, polymers and zeolites (for heterogeneous catalysis in zeolites, see 82.75.Qt)
	... ... ...	Enzyme kinetics, see 82.39.Fk and 87.15.R−
	... ... ...	Protein folding dynamics, see 87.15.Hm
	82.33.-z	Reactions in various media
	82.33.De	Reactions in supercritical fluids
	82.33.Fg	Reactions in clusters (see also 36.40.Jn Reactivity of clusters in atomic and molecular physics)
	82.33.Hk	Reactions on clusters
	82.33.Jx	Reactions in zeolites
	82.33.Ln	Reactions in sol gels, aerogels, porous media
	82.33.Nq	Reactions in micells
	82.33.Pt	Solid state chemistry
	... ... ...	Reactions in complex biological systems, see 82.39.Rt and 87.15R−
	82.33.Tb	Atmospheric chemistry (see also 92.60.H− in geophysics)
	82.33.Vx	Reactions in flames, combustion, and explosions
	82.33.Xj	Plasma reactions (including flowing afterglow and electric discharges)
	82.33.Ya	Chemistry of MOCVD and other vapor deposition methods (for methods of vapor deposition of films and coatings, see 81.15.Gh, Kk in materials science)
	82.35.-x	Polymers: properties; reactions; polymerization (for polymers in electrochemistry, see 82.45.Wx)
	82.35.Cd	Conducting polymers
	82.35.Ej	Nonlinear optics with polymers (see also 42.65.−k in nonlinear optics)
	82.35.Gh	Polymers on surfaces; adhesion (see also 68.35.Np Adhesion in surfaces and interfaces)
	82.35.Jk	Copolymers, phase transitions, structure
	82.35.Lr	Physical properties of polymers
	82.35.Np	Nanoparticles in polymers (see also 81.07.−b Nanoscale materials and structures: fabrication and characterization)
S	82.35.Pq	Biopolymers, biopolymerization
M	82.35.Pq	Biopolymers, biopolymerization (see also 87.15.rp Polymerization in biological and medical physics)
	82.35.Rs	Polyelectrolytes
	... ... ...	Protein properties, folding, see 87.15.Cc and 87.15.hm
	... ... ...	Enzymes, see 82.39.Fk and 87.14.ej
	... ... ...	DNA/RNA, see 82.39.Pj and 87.14.gk, gn
	82.37.-j	Single molecule kinetics
S	82.37.Gk	STM and AFM manipulations of a single molecule
M	82.37.Gk	STM and AFM manipulations of a single molecule (for atom manipulation see 37.10.Gh, Pq in atomic and molecular physics; see also 81.16.Ta Atom manipulation in methods of nanofabrication and processing; 87.80.Nj Single-molecule techniques in biological physics)
	82.37.Np	Single molecule reaction kinetics, dissociation, etc.
	82.37.Rs	Single molecule manipulation of proteins and other biological molecules
	82.37.Vb	Single molecule photochemistry
S	82.39.-k	Chemical kinetics in biological systems
M	82.39.-k	Chemical kinetics in biological systems (see also 87.15.R− Reactions and kinetics in biological and medical physics, and 82.45.Tv Bioelectrochemistry)
S	82.39.Fk	Enzyme kinetics
M	82.39.Fk	Enzyme kinetics (see also 87.14.ej Enzymes in biological physics)
	82.39.Jn	Charge (electron, proton) transfer in biological systems
	... ... ...	Protein folding, see 87.15.Cc and 87.15.hm
	82.39.Pj	Nucleic acids, DNA and RNA bases
S	82.39.Rt	Reactions in complex biological systems
M	82.39.Rt	Reactions in complex biological systems (see also 87.18.−h Biological complexity)
	82.39.Wj	Ion exchange, dialysis, osmosis, electro-osmosis, membrane processes
	82.40.-g	Chemical kinetics and reactions: special regimes and techniques
	... ... ...	Chemically reactive flows, see 47.70.Fw
	82.40.Bj	Oscillations, chaos, and bifurcations
	82.40.Ck	Pattern formation in reactions with diffusion, flow and heat transfer (see also 47.54.−r Pattern selection; pattern formation and 47.32.C− Vortex dynamics in fluid dynamics)
S	82.40.Fp	Shock wave initiated reactions, high-pressure chemistry
M	82.40.Fp	Shock wave initiated reactions, high-pressure chemistry (see also 47.40.Nm Shock wave interactions and shock effects in fluid dynamics, and 62.50.Ef Shock wave effects in solids and liquids)
	82.40.Np	Temporal and spatial patterns in surface reactions
S	82.40.Qt	Complex chemical systems
M	82.40.Qt	Complex chemical systems (for complex biological systems, see 82.39.Rt in physical chemistry; 87.18.−h in biological physics)
	... ... ...	Stochastic theories of chemical kinetics, see 82.20.Uv
	82.45.-h	Electrochemistry and electrophoresis
S	82.45.Aa	Electrochemical synthesis
M	82.45.Aa	Electrochemical synthesis (see also 81.16.Be Chemical synthesis methods in nanofabrication and 81.20.Ka Chemical synthesis; combustion synthesis in materials science)
	82.45.Bb	Corrosion and passivation (see also 81.65.Kn Corrosion protection and 81.65.Rv Passivation in surface treatments)
	82.45.Cc	Anodic films
	82.45.Fk	Electrodes
S	82.45.Gj	Electrolytes
M	82.45.Gj	Electrolytes (for polyelectrolytes, see 82.35.Rs and 82.45.Wx; see also 66.30.H− Self-diffusion and ionic conduction in nonmetals)
	82.45.Hk	Electrolysis
	82.45.Jn	Surface structure, reactivity and catalysis (see also 82.65.+r Surface and interface chemistry; heterogeneous catalysis at surfaces)
	82.45.Mp	Thin layers, films, monolayers, membranes (for anodic films, see 82.45.Cc; for surface double layers, see 73.30.+y in electronic structure of surfaces)
	82.45.Qr	Electrodeposition and electrodissolution (see also 81.15.Pq Electrodeposition, electroplating in materials science)
	82.45.Rr	Electroanalytical chemistry (see also 82.80.Fk Electrochemical methods in chemical analysis and related physical methods of analysis)
S	82.45.Tv	Bioelectrochemistry
M	82.45.Tv	Bioelectrochemistry (see also 82.39.−k Chemical kinetics in biological systems; 87.15.Tt Electrophoresis in biological physics)
	82.45.Un	Dielectric materials in electrochemistry (see also 77.84.−s Dielectric, piezoelectric, ferroelectric, and antiferroelectric materials)
	82.45.Vp	Semiconductor materials in electrochemistry (see also 81.05.Cy, Dz, Ea, Gc, Hd in specific materials)
	82.45.Wx	Polymers and organic materials in electrochemistry (see also 82.35.−x Polymers: properties; reactions; polymerization)
	82.45.Xy	Ceramics in electrochemistry (see also 81.05.Je, Mh in specific materials)
	82.45.Yz	Nanostructured materials in electrochemistry (for nanofabrication, see 81.16.−c in materials science)
	82.47.-a	Applied electrochemistry
	82.47.Aa	Lithium-ion batteries
	82.47.Cb	Lead-acid, nickel-metal hydride and other batteries (for lithium-ion batteries, see 82.47.Aa)
	82.47.Ed	Solid-oxide fuel cells (SOFC)
	82.47.Gh	Proton exchange membrane (PEM) fuel cells
S	82.47.Jk	Photoelectrochemical cells, photoelectrochromic and other hybrid electrochemical energy storage devices
M	82.47.Jk	Photoelectrochemical cells, photoelectrochromic and other hybrid electrochemical energy storage devices (see also 84.60.Jt Photoelectric conversion, solar cells and arrays)
	82.47.Lh	Molten-carbonate fuel cells (MCFC)
	82.47.Nj	Polymer-electrolyte fuel cells (PEFC)
	82.47.Pm	Phosphoric-acid fuel cells (PAFC); other fuel cells
	82.47.Rs	Electrochemical sensors
	82.47.Tp	Electrochemical displays
	82.47.Uv	Electrochemical capacitors; supercapacitors
	82.47.Wx	Electrochemical engineering
	82.50.-m	Photochemistry (for single molecule photochemistry, see 82.37.Vb)
	... ... ...	Optical spectroscopy in atomic and molecular physics, see 32.30.−r and 33.20.−t
	... ... ...	Optical spectroscopy in condensed matter, see 78.35.+c, 78.40.−q, and 78.47.+p
	82.50.Bc	Processes caused by infrared radiation
	82.50.Hp	Processes caused by visible and UV light
	82.50.Kx	Processes caused by X-rays or γ-rays
	82.50.Nd	Control of photochemical reactions
	82.50.Pt	Multiphoton processes
	... ... ...	Potential energy surfaces for excited electronic states, see 31.50.Df
	... ... ...	Surface crossings, non-adiabatic couplings, see 31.50.Gh
S	82.53.-k	Femtochemistry
M	82.53.-k	Femtochemistry [see also 78.47.J− Ultrafast pump/probe spectroscopy (<1 psec) in condensed matter; 42.65.Re Ultrafast processes; optical generation and pulse compression in nonlinear optics]
	82.53.Eb	Pump probe studies of photodissociation
	82.53.Hn	Pump probe experiments with bound states
	82.53.Kp	Coherent spectroscopy of atoms and molecules
	82.53.Mj	Femtosecond probing of semiconductor nanostructures (see also 81.16.−c Methods of nanofabrication and processing)
	82.53.Ps	Femtosecond probing of biological molecules
	82.53.St	Femtochemistry of adsorbed molecules (for adsorbate structure, see 68.43.Bc, Fg in chemisorption/physisorption: adsorbates on surfaces)
	82.53.Uv	Femtosecond probes of molecules in liquids
	82.53.Xa	Femtosecond probes of molecules in solids and of molecular solids
	82.56.-b	Nuclear magnetic resonance (see also 33.25.+k Nuclear resonance and relaxation in atomic and molecular physics; 76.60.−k Nuclear magnetic resonance and relaxation; 76.70.−r Magnetic double resonances and cross effects in condensed matter)
	82.56.Dj	High resolution NMR
	82.56.Fk	Multidimensional NMR
	82.56.Hg	Multinuclear NMR
	82.56.Jn	Pulse sequences in NMR
	82.56.Lz	Diffusion
	82.56.Na	Relaxation
	82.56.Pp	NMR of biomolecules
	82.56.Ub	Structure determination with NMR
	... ... ...	ENDOR, see 76.70.Dx and 33.40.+f
	... ... ...	NMR imaging, see 76.60.Pc and 87.61.−c
	82.60.-s	Chemical thermodynamics
	82.60.Cx	Enthalpies of combustion, reaction, and formation
	82.60.Fa	Heat capacities and heats of phase transitions
	82.60.Hc	Chemical equilibria and equilibrium constants
	82.60.Lf	Thermodynamics of solutions
S	82.60.Nh	Thermodynamics of nucleation
M	82.60.Nh	Thermodynamics of nucleation (see also 64.60.Q− Nucleation—in equations of state, phase equilibria and phase transitions)
	82.60.Qr	Thermodynamics of nanoparticles
	... ... ...	Irreversible thermodynamics, nonequilibrium thermodynamics, see 05.70.Ln
	82.65.+r	Surface and interface chemistry; heterogeneous catalysis at surfaces (for temporal and spatial patterns in surface reactions, see 82.40.Np; see also 82.45.Jn Surface structure, reactivity and catalysis in electrochemistry)
	... ... ...	Chemisorption/physisorption: adsorbates on surfaces, see 68.43.−h
	82.70.-y	Disperse systems; complex fluids (see also 82.33.−z reactions in various media; for quantum optical phenomena in dispersive media, see 42.50.Nn)
	82.70.Dd	Colloids
	82.70.Gg	Gels and sols
	82.70.Kj	Emulsions and suspensions
	82.70.Rr	Aerosols and foams
	82.70.Uv	Surfactants, micellar solutions, vesicles, lamellae, amphiphilic systems, (hydrophilic and hydrophobic interactions) (see also 82.30.Rs Hydrogen bonding, hydrophilic effects in specific chemical reactions)
	... ... ...	Nanoscale materials and structures, see 81.07.−b and 61.46.−w
	... ... ...	Preparation and assembly of nanostructures, see 81.16.−c
	... ... ...	Structural transitions in nanoscale materials, see 64.70.Nd
	... ... ...	Spectroscopy of nanostructures, see 78.67.−n
	82.75.-z	Molecular sieves, zeolites, clathrates, and other complex solids
	82.75.Fq	Synthesis, structure determination, structure modeling
	82.75.Jn	Measurements and modeling of molecule migration in zeolites
	82.75.Mj	Measurements and simulation of properties (optical, structural) of molecules in zeolites
	82.75.Qt	Mechanism and kinetics of catalysis in zeolites (measurements or simulations)
	82.75.Vx	Clusters in zeolites
S	82.80.-d	Chemical analysis and related physical methods of analysis
M	82.80.-d	Chemical analysis and related physical methods of analysis (for related instrumentation, see section 07; for spectroscopic techniques in biological physics, see 87.64.−t)
	82.80.Bg	Chromatography
	82.80.Dx	Analytical methods involving electronic spectroscopy
	82.80.Ej	X-ray, Mössbauer, and other γ-ray spectroscopic analysis methods
	82.80.Fk	Electrochemical methods (see also 82.45.Rr Electroanalytical chemistry; for electrochemical sensors, see 82.47.Rs)
	82.80.Gk	Analytical methods involving vibrational spectroscopy
	82.80.Ha	Analytical methods involving rotational spectroscopy
	82.80.Jp	Activation analysis and other radiochemical methods
	82.80.Kq	Energy-conversion spectro-analytical methods (e.g., photoacoustic, photothermal, and optogalvanic spectroscopic methods)
	82.80.Ms	Mass spectrometry (including SIMS, multiphoton ionization and resonance ionization mass spectrometry, MALDI)
	82.80.Nj	Fourier transform mass spectrometry
	82.80.Pv	Electron spectroscopy (X-ray photoelectron (XPS), Auger electron spectroscopy (AES), etc.)
	82.80.Qx	Ion cyclotron resonance mass spectrometry
	82.80.Rt	Time of flight mass spectrometry
	82.80.Yc	Rutherford backscattering (RBS), and other methods of chemical analysis
	82.90.+j	Other topics in physical chemistry and chemical physics (restricted to new topics in section 82)
S	83.	Rheology
M	83.	Rheology (see also section 47 Fluid dynamics; for rheology of the Earth, see 91.32.−m; see also 87.19.rh Fluid transport and rheology in biological physics)
	83.10.-y	Fundamentals and theoretical
	83.10.Bb	Kinematics of deformation and flow
	... ... ...	Non-Newtonian fluid flows, see 47.50.−d
	83.10.Ff	Continuum mechanics (see also section 46 Continuum mechanics of solids)
	83.10.Gr	Constitutive relations
	83.10.Kn	Reptation and tube theories
	83.10.Mj	Molecular dynamics, Brownian dynamics
	83.10.Pp	Particle dynamics
	83.10.Rs	Computer simulation of molecular and particle dynamics
	83.10.Tv	Structural and phase changes
	83.50.-v	Deformation and flow
	83.50.Ax	Steady shear flows, viscometric flow
S	83.50.Ha	Flow in channels
M	83.50.Ha	Flow in channels (see also 47.60.Dx Flows in ducts and channels in fluid dynamics)
	83.50.Jf	Extensional flow and combined shear and extension
	83.50.Lh	Slip boundary effects (interfacial and free surface flows) (see also 47.45.Gx Slip flows and accommodation in fluid dynamics)
	83.50.Rp	Wall slip and apparent slip
	83.50.Uv	Material processing (extension, molding, etc.)
	83.50.Xa	Mixing and blending
	83.60.-a	Material behavior
	83.60.Bc	Linear viscoelasticity
	83.60.Df	Nonlinear viscoelasticity
	83.60.Fg	Shear rate dependent viscosity
	83.60.Hc	Normal stress differences and their effects (e.g. rod climbing)
	83.60.Jk	Extrudate swell
	83.60.La	Viscoplasticity; yield stress
	83.60.Np	Effects of electric and magnetic fields
	83.60.Pq	Time-dependent structure (thixotropy, rheopexy)
	83.60.Rs	Shear rate-dependent structure (shear thinning and shear thickening)
	83.60.St	Non-isothermal rheology
	83.60.Uv	Wave propagation, fracture, and crack healing
	83.60.Wc	Flow instabilities
	83.60.Yz	Drag reduction
	83.80.-k	Material type (see also 82.70.−y Disperse systems; complex fluids and 82.35.−x Polymers: properties; reactions; polymerization in physical chemistry and chemical physics)
	83.80.Ab	Solids: e.g., composites, glasses, semicrystalline polymers
	83.80.Fg	Granular solids
	83.80.Gv	Electro- and magnetorheological fluids
	83.80.Hj	Suspensions, dispersions, pastes, slurries, colloids
	83.80.Iz	Emulsions and foams
	83.80.Jx	Reacting systems: thermosetting polymers, chemorheology, rheokinetics
	83.80.Kn	Physical gels and microgels
	83.80.Lz	Physiological materials (e.g. blood, collagen, etc.)
	83.80.Mc	Other natural materials (e.g. wood and other vegetable materials)
	83.80.Nb	Geological materials: Earth, magma, ice, rocks, etc.
	83.80.Qr	Surfactant and micellar systems, associated polymers
	83.80.Rs	Polymer solutions
	83.80.Sg	Polymer melts
	83.80.Tc	Polymer blends
	83.80.Uv	Block copolymers
	83.80.Va	Elastomeric polymers
	83.80.Wx	Filled elastomers
	83.80.Xz	Liquid crystals: nematic, cholesteric, smectic, discotic, etc.
	83.80.Ya	Processed food
	83.85.-c	Techniques and apparatus
	83.85.Cg	Rheological measurements—rheometry
	83.85.Ei	Optical methods; rheo-optics
	83.85.Fg	NMR/magnetic resonance imaging (see also 76.60.Pc NMR imaging in condensed matter)
	83.85.Hf	X-ray and neutron scattering
	83.85.Jn	Viscosity measurements
	83.85.Lq	Normal stress difference measurements
	83.85.Ns	Data analysis (interconversion of data computation of relaxation and retardation spectra; time-temperature superposition, etc.)
	... ... ...	Computational fluid dynamics, see 47.11.−j
	83.85.Rx	Extensional flow measurement
	83.85.St	Stress relaxation
	83.85.Tz	Creep and/or creep recoil
	83.85.Vb	Small amplitude oscillatory shear (dynamic mechanical analysis)
	83.90.+s	Other topics in rheology (restricted to new topics in section 83)
	84.	Electronics; radiowave and microwave technology; direct energy conversion and storage
	84.30.-r	Electronic circuits (for integrated circuits, see 85.40.−e, for microwave circuits, see 84.40.Dc)
	84.30.Bv	Circuit theory
	84.30.Jc	Power electronics; power supply circuits (see also 84.70.+p High-current and high-voltage technology; for superconducting high-power technology, see 84.71.−b)
	84.30.Le	Amplifiers
	84.30.Ng	Oscillators, pulse generators, and function generators
	84.30.Qi	Modulators and demodulators; discriminators, comparators, mixers, limiters, and compressors
	84.30.Sk	Pulse and digital circuits
	84.30.Vn	Filters
S	84.32.-y	Passive circuit components
M	84.32.-y	Passive circuit components (see also 07.50.−e Electrical and electronic instruments, and components)
	84.32.Dd	Connectors, relays, and switches
	84.32.Ff	Conductors, resistors (including thermistors, varistors, and photoresistors)
	84.32.Hh	Inductors and coils; wiring
	84.32.Tt	Capacitors (for electrochemical capacitors and supercapacitors, see 82.47.Uv)
	84.32.Vv	Fuses
S	84.35.+i	Neural networks
M	84.35.+i	Neural networks (for optical neural networks, see 42.79.Ta; see also 07.05.Mh Neural networks, fuzzy logic, artificial intelligence in computers in experimental physics; 87.18.Sn in biological complexity)
	84.37.+q	Measurements in electric variables (including voltage, current, resistance, capacitance, inductance, impedance, and admittance, etc.)
	84.40.-x	Radiowave and microwave (including millimeter wave) technology
	... ... ...	Microwave, submillimeter wave, and radiowave receivers and detectors, see 07.57.Kp
	... ... ...	Microwave and radiowave spectrometers, see 07.57.Pt
	... ... ...	Electromagnetic wave propagation, see 41.20.Jb
	84.40.Az	Waveguides, transmission lines, striplines
	84.40.Ba	Antennas: theory, components and accessories (for plasma interactions with antennas, see 52.40.Fd in plasma physics)
	84.40.Dc	Microwave circuits
	84.40.Fe	Microwave tubes (e.g., klystrons, magnetrons, traveling-wave, backward-wave tubes, etc.)
	84.40.Ik	Masers; gyrotrons (cyclotron-resonance masers)
	84.40.Lj	Microwave integrated electronics
	84.40.Ua	Telecommunications: signal transmission and processing; communication satellites (for optical communications, see 42.79.Sz in optics)
	84.40.Xb	Telemetry: remote control, remote sensing; radar
	84.47.+w	Vacuum tubes (see also 85.45.−w Vacuum microelectronics)
	... ... ...	Phototubes, see 85.60.Ha
	... ... ...	Microwave tubes, see 84.40.Fe
	84.50.+d	Electric motors
S	84.60.-h	Direct energy conversion and storage
M	84.60.-h	Direct energy conversion and storage (see also 89.30.−g Energy resources; for electrochemical conversion, see 82.47.−a; for ocean energy extraction, see 92.05.Jn)
	84.60.Bk	Performance characteristics of energy conversion systems; figure of merit
	84.60.Jt	Photoelectric conversion: solar cells and arrays (for solar collectors and concentrators, see 42.79.Ek in optics)
	84.60.Lw	Magnetohydrodynamic conversion (for MHD generators, see 52.75.Fk—in plasma physics)
	84.60.Ny	Thermionic conversion (for thermionic generators, see 52.75.Fk—in plasma physics)
	84.60.Rb	Thermoelectric, electrogasdynamic and other direct energy conversion
	84.60.Ve	Energy storage systems, including capacitor banks
	84.70.+p	High-current and high-voltage technology: power systems; power transmission lines and cables (for superconducting cables, see 84.71.Fk)
	84.71.-b	Superconducting high-power technology (see also 84.30.Jc Power electronics; power supply circuits)
	84.71.Ba	Superconducting magnets; magnetic levitation devices
	84.71.Fk	Superconducting cables
	84.71.Mn	Superconducting wires, fibers, and tapes
	84.90.+a	Other topics in electronics, radiowave and microwave technology, and direct energy conversion and storage (restricted to new topics in section 84)
	85.	Electronic and magnetic devices; microelectronics
	... ... ...	Vacuum tubes, see 84.47.+w
	... ... ...	Microwave tubes, see 84.40.Fe
	... ... ...	Phototubes, see 85.60.Ha
	... ... ...	Conductors, resistors, and inductors, see 84.32.Ff, Hh
	85.25.-j	Superconducting devices
	85.25.Am	Superconducting device characterization, design, and modeling
	85.25.Cp	Josephson devices
	85.25.Dq	Superconducting quantum interference devices (SQUIDs)
	85.25.Hv	Superconducting logic elements and memory devices; microelectronic circuits
	85.25.Oj	Superconducting optical, X-ray, and γ-ray detectors (SIS, NIS, transition edge)
	85.25.Pb	Superconducting infrared, submillimeter and millimeter wave detectors
	... ... ...	High power superconducting devices, see 84.71.−b
	85.25.Qc	Superconducting surface acoustic wave devices and other superconducting devices
	85.30.-z	Semiconductor devices (for photodiodes, phototransistors, and photoresistors, see 85.60.Dw; for laser diodes, see 42.55.Px)
	85.30.De	Semiconductor-device characterization, design, and modeling
	85.30.Fg	Bulk semiconductor and conductivity oscillation devices (including Hall effect devices, space-charge-limited devices, and Gunn effect devices)
	85.30.Hi	Surface barrier, boundary, and point contact devices
	85.30.Kk	Junction diodes
	85.30.Mn	Junction breakdown and tunneling devices (including resonance tunneling devices)
	85.30.Pq	Bipolar transistors
	85.30.Rs	Thyristors
	85.30.Tv	Field effect devices
	85.35.-p	Nanoelectronic devices
	85.35.Be	Quantum well devices (quantum dots, quantum wires, etc.)
	85.35.Ds	Quantum interference devices
	85.35.Gv	Single electron devices
	85.35.Kt	Nanotube devices
	85.40.-e	Microelectronics: LSI, VLSI, ULSI; integrated circuit fabrication technology (see also 85.45.−w Vacuum microelectronics)
	... ... ...	Microwave integrated electronics, see 84.40.Lj
	... ... ...	Integrated optics, see 42.82.−m
	... ... ...	Superconducting logic elements and memory devices; microelectronic circuits, see 85.25.Hv
	85.40.Bh	Computer-aided design of microcircuits; layout and modeling
	85.40.Hp	Lithography, masks and pattern transfer
	... ... ...	Micro- and nano-electromechanical systems (MEMS/NEMS) and devices, see 85.85.+j
	85.40.Ls	Metallization, contacts, interconnects; device isolation
	85.40.Qx	Microcircuit quality, noise, performance, and failure analysis
	85.40.Ry	Impurity doping, diffusion and ion implantation technology
	85.40.Sz	Deposition technology (for plasma applications in deposition technology, see 52.77.Dq)
	... ... ...	Bipolar integrated circuits, see 85.30.Pq
	... ... ...	Field effect integrated circuits, see 85.30.Tv
	85.40.Xx	Hybrid microelectronics; thick films
	85.45.-w	Vacuum microelectronics
	... ... ...	Microwave vacuum microelectronic devices, see 84.40.−x
	85.45.Bz	Vacuum microelectronic device characterization, design, and modeling
	85.45.Db	Field emitters and arrays, cold electron emitters
	85.45.Fd	Field emission displays (FEDs)
	... ... ...	Capacitors, see 84.32.Tt
	85.50.-n	Dielectric, ferroelectric, and piezoelectric devices
	85.50.Gk	Non-volatile ferroelectric memories
	85.60.-q	Optoelectronic devices (see also 42.79.−e Optical elements, devices and systems)
	85.60.Bt	Optoelectronic device characterization, design, and modeling
	85.60.Dw	Photodiodes; phototransistors; photoresistors
	85.60.Gz	Photodetectors (including infrared and CCD detectors) (for superconducting infrared detectors, see 85.25.Pb; for superconducting optical, x-ray and γ-ray detectors, see 85.25.Oj; see also 07.57.Kp in instruments)
	85.60.Ha	Photomultipliers; phototubes and photocathodes
	85.60.Jb	Light-emitting devices
	85.60.Pg	Display systems (for field emission display, see 85.45.Fd, for optical display devices, see 42.79.Kr; for electrochemical displays, see 82.47.Tp; see also 07.07.Hj Display and recording equipment, oscilloscopes, TV cameras, etc.)
	85.65.+h	Molecular electronic devices
	85.70.-w	Magnetic devices
	... ... ...	Molecular magnets, see 75.50.Xx
	... ... ...	Magnets, see 07.55.Db
	... ... ...	Superconducting magnets and magnetic levitation devices, see 84.71.Ba
	... ... ...	Beam bending magnets, see 41.85.Lc
	85.70.Ay	Magnetic device characterization, design, and modeling
	85.70.Ec	Magnetostrictive, magnetoacoustic, and magnetostatic devices (for magnetostrictive transducers, see 43.38.Ct—in Acoustics Appendix)
	... ... ...	Magnetic recording materials, see 75.50.Ss
	85.70.Ge	Ferrite and garnet devices
	85.70.Kh	Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc.
	85.70.Li	Other magnetic recording and storage devices (including tapes, disks, and drums)
	85.70.Rp	Magnetic levitation, propulsion and control devices (for superconducting magnetic levitation devices, see 84.71.Ba)
	85.70.Sq	Magnetooptical devices
	85.75.-d	Magnetoelectronics; spintronics: devices exploiting spin polarized transport or integrated magnetic fields
	85.75.Bb	Magnetic memory using giant magnetoresistance
	85.75.Dd	Magnetic memory using magnetic tunnel junctions
	85.75.Ff	Reprogrammable magnetic logic
	85.75.Hh	Spin polarized field effect transistors
	85.75.Mm	Spin polarized resonant tunnel junctions
	85.75.Nn	Hybrid Hall devices
	85.75.Ss	Magnetic field sensors using spin polarized transport
	85.80.-b	Thermoelectromagnetic and other devices (for acoustoelectric devices, see 43.38.−p in Acoustics Appendix; for electrochemical devices, see 82.47.−a)
	85.80.Fi	Thermoelectric devices
	85.80.Jm	Magnetoelectric devices
	85.80.Lp	Magnetothermal devices
	85.85.+j	Micro- and nano-electromechanical systems (MEMS/NEMS) and devices
	85.90.+h	Other topics in electronic and magnetic devices and microelectronics (restricted to new topics in section 85)
	87.	Biological and medical physics
D	87.10.+e	General theory and mathematical aspects (Use 87.10.-e)
N	87.10.-e	General theory and mathematical aspects
N	87.10.Ca	Analytical theories
N	87.10.Ed	Ordinary differential equations (ODE), partial differential equations (PDE), integrodifferential models
N	87.10.Hk	Lattice models
N	87.10.Kn	Finite element calculations
N	87.10.Mn	Stochastic modeling
N	87.10.Pq	Elasticity theory
N	87.10.Rt	Monte Carlo simulations
N	87.10.Tf	Molecular dynamics simulation
N	87.10.Vg	Biological information
	87.14.-g	Biomolecules: types
	87.14.Cc	Lipids
N	87.14.Df	Carbohydrates
N	87.14.E-	Proteins
D	87.14.Ee	Proteins (Use 87.14.E-)
N	87.14.ef	Peptides
N	87.14.ej	Enzymes
N	87.14.em	Fibrils (amyloids, collagen, etc.)
N	87.14.ep	Membrane proteins
N	87.14.et	Generic models (lattice, HP, etc.)
N	87.14.G-	Nucleic acids
N	87.14.gf	Nucleotides
D	87.14.Gg	DNA, RNA (Use 87.14.G-)
N	87.14.gk	DNA
N	87.14.gn	RNA
N	87.14.Lk	Hormones
N	87.14.Pq	Vitamins
	87.15.-v	Biomolecules: structure and physical properties
N	87.15.A-	Theory, modeling, and computer simulation
D	87.15.Aa	Theory and modeling; computer simulation (Use 87.15.A-)
N	87.15.ad	Analytical theories
N	87.15.ag	Quantum calculations
N	87.15.ak	Monte Carlo simulations
N	87.15.ap	Molecular dynamics simulation
N	87.15.B-	Structure of biomolecules
N	87.15.bd	Secondary structure
N	87.15.bg	Tertiary structure
N	87.15.bk	Structure of aggregates
D	87.15.By	Structure and bonding (Use 87.15.B-)
S	87.15.Cc	Folding and sequence analysis
M	87.15.Cc	Folding: thermodynamics, statistical mechanics, models, and pathways (see also 87.15.hm Folding dynamics)
N	87.15.Fh	Bonding; mechanisms of bond breakage
N	87.15.H-	Dynamics of biomolecules
D	87.15.He	Dynamics and conformational changes (Use 87.15.H-)
N	87.15.hg	Dynamics of intermolecular interactions
N	87.15.hj	Transport dynamics
N	87.15.hm	Folding dynamics
N	87.15.hp	Conformational changes
N	87.15.ht	Ultrafast dynamics; charge transfer
N	87.15.K-	Molecular interactions; membrane-protein interactions
D	87.15.Kg	Molecular interactions; membrane-protein interactions (Use 87.15.K-)
N	87.15.kj	Protein-polynucleotide interactions
N	87.15.km	Protein-protein interactions
N	87.15.kp	Protein-ligand interactions
N	87.15.kr	Protein-solvent interactions
N	87.15.kt	Protein-membrane interactions
	87.15.La	Mechanical properties
N	87.15.M-	Spectra of biomolecules
D	87.15.Mi	Spectra, photodissociation, and photoionization; luminescence (Use 87.15.M-)
N	87.15.mk	Photodissociation
N	87.15.mn	Photoionization
N	87.15.mq	Luminescence
N	87.15.N-	Properties of solutions of macromolecules
D	87.15.Nn	Properties of solutions; aggregation and crystallization of macromolecules (Use 87.15.N-)
N	87.15.np	Dissolution
N	87.15.nr	Aggregation
N	87.15.nt	Crystallization
N	87.15.Pc	Electronic and electrical properties
N	87.15.Qt	Sequence analysis
N	87.15.R-	Reactions and kinetics (see also 82.39.−k Chemical kinetics in biological systems in physical chemistry)
D	87.15.Rn	Reactions and kinetics; polymerization (see also 82.39.−k Chemical kinetics in biological systems and 82.35.Pq Biopolymers, biopolymerization in physical chemistry and chemical physics) (Use 87.15.R-)
N	87.15.rp	Polymerization (see also 82.35.Pq Biopolymers, biopolymerization in physical chemistry)
N	87.15.rs	Dissociation
S	87.15.Tt	Electrophoresis
M	87.15.Tt	Electrophoresis (see also 82.45.−h Electrochemistry and electrophoresis)
	87.15.Vv	Diffusion
	87.15.Ya	Fluctuations
N	87.15.Zg	Phase transitions
	87.16.-b	Subcellular structure and processes
N	87.16.A-	Theory, modeling, and simulations
D	87.16.Ac	Theory and modeling; computer simulation (Use 87.16.A-)
N	87.16.ad	Analytical theories
N	87.16.af	Monte Carlo calculations
N	87.16.aj	Lattice models
N	87.16.D-	Membranes, bilayers, and vesicles
D	87.16.Dg	Membranes, bilayers, and vesicles (Use 87.16.D-)
N	87.16.dj	Dynamics and fluctuations
N	87.16.dm	Mechanical properties and rheology
N	87.16.dp	Transport, including channels, pores, and lateral diffusion
N	87.16.dr	Assembly and interactions
N	87.16.dt	Structure, static correlations, domains, and rafts
	87.16.Gj	Cell walls
	87.16.Ka	Filaments, microtubules, their networks, and supramolecular assemblies
N	87.16.Ln	Cytoskeleton
N	87.16.Mq	Morphology of nerve cells
	87.16.Nn	Motor proteins (myosin, kinesin dynein)
	87.16.Qp	Pseudopods, lamellipods, cilia, and flagella
	87.16.Sr	Chromosomes, histones
S	87.16.Tb	Organelles
M	87.16.Tb	Mitochondria and other organelles
S	87.16.Uv	Active transport processes; ion channels
M	87.16.Uv	Active transport processes
N	87.16.Vy	Ion channels
N	87.16.Wd	Intracellular trafficking
S	87.16.Xa	Signal transduction
M	87.16.Xa	Signal transduction and intracellular signaling
S	87.16.Yc	Regulatory chemical networks
M	87.16.Yc	Regulatory genetic and chemical networks
N	87.16.Zg	Nuclear morphology
S	87.17.-d	Cellular structure and processes
M	87.17.-d	Cell processes
S	87.17.Aa	Theory and modeling; computer simulation
M	87.17.Aa	Modeling, computer simulation of cell processes
	87.17.Ee	Growth and division
S	87.17.Jj	Cell locomotion; chemotaxis and related directed motion
M	87.17.Jj	Cell locomotion, chemotaxis
D	87.17.Nn	Morphology of nerve cells (Use 87.17.-d)
N	87.17.Pq	Morphogenesis
N	87.17.Rt	Cell adhesion and cell mechanics
N	87.17.Uv	Biotechnology of cell processes
S	87.18.-h	Multicellular phenomena
M	87.18.-h	Biological complexity (see also 82.39.Rt Reactions in complex biological systems in physical chemistry)
D	87.18.Bb	Computer simulation (Use 87.18.-h and 8710-e)
N	87.18.Cf	Genetic switches and networks
S	87.18.Ed	Aggregation and other collective behavior of motile cells
M	87.18.Ed	Cell aggregation
N	87.18.Fx	Multicellular phenomena, biofilms
N	87.18.Gh	Cell-cell communication; collective behavior of motile cells
	87.18.Hf	Spatiotemporal pattern formation in cellular populations
D	87.18.La	Morphogenesis (Use 87.18.-h)
N	87.18.Mp	Signal transduction networks
N	87.18.Nq	Large-scale biological processes and integrative biophysics
D	87.18.Pj	Chemical waves (Use 87.18.-h)
S	87.18.Sn	Neural networks
M	87.18.Sn	Neural networks and synaptic communication
N	87.18.Tt	Noise in biological systems
N	87.18.Vf	Systems biology
N	87.18.Wd	Genomics
N	87.18.Xr	Proteomics
N	87.18.Yt	Circadian rhythms
	87.19.-j	Properties of higher organisms
D	87.19.Bb	Sensory perceptions (Use 87.19.lt)
D	87.19.Dd	Information processing in vision and hearing (for Neurophysiology of speech perception, see 43.71.Qr in acoustics appendix; see also 43.72.Qr Auditory synthesis and recognition in Acoustics Appendix) (Use 87.19.lt)
	87.19.Ff	Muscles
	87.19.Hh	Cardiac dynamics
D	87.19.Jj	Circadian rhythms (Use 87.18.Yt)
N	87.19.L-	Neuroscience
D	87.19.La	Neuroscience (Use 87.19.L-)
N	87.19.lb	Action potential propagation and axons
N	87.19.lc	Noise in the nervous system
N	87.19.ld	Electrodynamics in the nervous system
N	87.19.le	EEG and MEG
N	87.19.lf	MRI: anatomic, functional, spectral, diffusion
N	87.19.lg	Synapses: chemical and electrical (gap junctions)
N	87.19.lh	Optical imaging of neuronal activity
N	87.19.lj	Neuronal network dynamics
N	87.19.lk	Glia
N	87.19.ll	Models of single neurons and networks
N	87.19.lm	Synchronization in the nervous system
N	87.19.ln	Oscillations and resonance
N	87.19.lo	Information theory
N	87.19.lp	Pattern formation: activity and anatomic
N	87.19.lq	Neuronal wave propagation
N	87.19.lr	Control theory and feedback
N	87.19.ls	Encoding, decoding, and transformation
N	87.19.lt	Sensory systems: visual, auditory, tactile, taste, and olfaction (for Neurophysiology of speech perception, see 43.71.Qr and 43.72.Qr Auditory synthesis and recognition in Acoustics Appendix; 42.66.−p Physiological optics)
N	87.19.lu	Motor systems: Locomotion, flight, vocalization
N	87.19.lv	Learning and memory
N	87.19.lw	Plasticity
N	87.19.lx	Development and growth
N	87.19.ly	Energetics
D	87.19.Nn	Electrophysiology (Use 87.19.R-)
S	87.19.Pp	Biothermics
M	87.19.Pp	Biothermics and thermal processes in biology
N	87.19.R-	Mechanical and electrical properties of tissues and organs
N	87.19.rd	Elastic properties
N	87.19.rf	Dielectric properties
N	87.19.rh	Fluid transport and rheology
N	87.19.rj	Contraction
N	87.19.rm	Structure
N	87.19.rp	Impulse propagation
D	87.19.Rr	Mechanical properties of tissues and organs (Use 87.19.R-)
N	87.19.rs	Movement
N	87.19.ru	Locomotion
D	87.19.St	Movement and locomotion (Use 87.19.rs and 8719ru)
D	87.19.Tt	Rheology of body fluids (Use 87.19.rh)
N	87.19.U-	Hemodynamics
N	87.19.ug	Heart and lung dynamics
N	87.19.uj	Peripheral vascular dynamics
N	87.19.um	Blood-brain barrier
D	87.19.Uv	Haemodynamics, pneumodynamics (Use 87.19.U- and 87.19.Wx)
N	87.19.Wx	Pneumodyamics, respiration
N	87.19.X-	Diseases
N	87.19.xb	Bacterial diseases
N	87.19.xd	Viral diseases
N	87.19.xe	Parasitic diseases
N	87.19.xg	Fungal diseases
N	87.19.xh	Prion diseases
N	87.19.xj	Cancer
N	87.19.xk	Genetic diseases
N	87.19.xm	Epilepsy
N	87.19.xn	Musculoskeletal diseases
N	87.19.xp	Motor system disease (Parkinson's, etc.)
N	87.19.xq	Stroke
N	87.19.xr	Degenerative diseases (Alzheimer's, ALS, etc)
N	87.19.xt	Developmental diseases
N	87.19.xu	Gastrointestinal diseases
N	87.19.xv	Endocrine diseases
N	87.19.xw	Immune system diseases
D	87.19.Xx	Diseases (Use 87.19.X-)
	87.23.-n	Ecology and evolution
	87.23.Cc	Population dynamics and ecological pattern formation
	87.23.Ge	Dynamics of social systems
	87.23.Kg	Dynamics of evolution
S	87.50.-a	Effects of radiation and external fields on biomolecules, cells and higher organisms
M	87.50.-a	Effects of electromagnetic and acoustic fields on biological systems
N	87.50.C-	Static and low-frequency electric and magnetic fields effects
N	87.50.cf	Biophysical mechanisms of interaction
N	87.50.ch	Electrophoresis/dielectrophoresis and other mechanical effects (see also 87.15.Tt Electrophoresis)
N	87.50.cj	Electroporation/membrane effects
N	87.50.cm	Dosimetry/exposure assessment
N	87.50.ct	Therapeutic applications
D	87.50.Gi	Ionizing radiations (ultraviolet, X-rays, γ-rays, ions, electrons, positrons, neutrons, and mesons, etc.) (Use 87.53.-j)
D	87.50.Hj	Optical radiation (near ultraviolet, visible, and infrared) (Use 87.50.W-)
D	87.50.Jk	Radio frequency and microwave radiation (power lines) (Use 87.50.S-)
D	87.50.Kk	Sound and ultrasound (Use 87.50.Y-)
D	87.50.Mn	Magnetic fields (Use 87.50.C-)
D	87.50.Rr	Electric fields (Use 87.50.C-)
N	87.50.S-	Radiofrequency/microwave fields effects
N	87.50.sg	Biophysical mechanisms of interaction
N	87.50.sj	Dosimetry/exposure assessment
N	87.50.st	Therapeutic applications
N	87.50.U-	Millimeter/terahertz fields effects
N	87.50.uj	Biophysical mechanisms of interaction
N	87.50.up	Dosimetry/exposure assessment
N	87.50.ux	Therapeutic applications
N	87.50.W-	Optical/infrared radiation effects
N	87.50.wf	Biophysical mechanisms of interaction
N	87.50.wj	Dosimetry/exposure assessment
N	87.50.wp	Therapeutic applications
N	87.50.Y-	Biological effects of acoustic and ultrasonic energy
N	87.50.yg	Biophysical mechanisms of interaction
N	87.50.yk	Dosimetry/exposure assessment
N	87.50.yt	Therapeutic applications
D	87.52.-g	Radiation monitoring, control, and safety (Use 87.55.N-)
D	87.52.Df	Low LET: therapeutic and diagnostic X-rays and electrons (Use 87.55.N-)
D	87.52.Ga	Low LET: associated neutron shielding and measurement (Use 87.55.N-)
D	87.52.Ln	High LET (Use 87.55.N-)
D	87.52.Px	Risk/benefit analysis (Use 87.55.N-)
D	87.52.Tr	Regulatory issues (Use 87.55.N-)
S	87.53.-j	Ionizing-radiation therapy physics
M	87.53.-j	Effects of ionizing radiation on biological systems
N	87.53.Ay	Biophysical mechanisms of interaction
S	87.53.Bn	Photon dosimetry: theory and algorithms
M	87.53.Bn	Dosimetry/exposure assessment
D	87.53.Dq	Photon dosimetry: measurements (Use 87.53.Bn)
D	87.53.Fs	Electron and positron dosimetry: theory and algorithms (Use 87.53.Bn)
D	87.53.Hv	Electron and positron dosimetry: measurements (Use 87.53.Bn)
S	87.53.Jw	Brachytherapy
M	87.53.Jw	Therapeutic applications, including brachytherapy
	87.53.Kn	Conformal radiation treatment
	87.53.Ly	Stereotactic radiosurgery
D	87.53.Mr	Beam intensity modification: wedges, compensators (Use 87.56.ng)
D	87.53.Na	Radioimmunotherapy (Use 87.53.Jw)
D	87.53.Oq	Portal imaging in therapy (Use 87.55.km)
D	87.53.Pb	Proton, neutron, and heavier particle dosimetry: theory and algorithms (Use 87.53.Bn)
D	87.53.Qc	Proton, neutron, and heavier particle dosimetry: measurements (Use 87.53.Bn)
D	87.53.Rd	Microdosimetry (Use 87.53.Bn)
D	87.53.St	Record and verify systems and applications (Use 87.55.T-)
D	87.53.Tf	Treatment planning, optimization, tissue response factors, and dose-volume analysis (Use 87.55.-x)
D	87.53.Uv	Collimation (Use 87.56.J-)
D	87.53.Vb	Simulation (Use 87.55.Gh)
D	87.53.Wz	Monte Carlo applications (Use 87.55.K-)
D	87.53.Xd	Quality assurance in radiotherapy (Use 87.55.Qr)
D	87.54.-n	Non-ionizing radiation therapy physics (Use 87.50.-a)
D	87.54.Br	Thermotherapy (hyperthermia and cryogenic therapy) (Use 87.50.wp)
D	87.54.Dt	Electrotherapy (Use 87.50.ct)
D	87.54.Fj	Photodynamic therapy (Use 87.50.wp)
D	87.54.Hk	Sound and ultrasound therapy/lithotripsy (Use 87.50.yt)
N	87.55.-x	Treatment strategy
N	87.55.D-	Treatment planning
N	87.55.de	Optimization
N	87.55.dh	Tissue response
N	87.55.dk	Dose-volume analysis
N	87.55.Gh	Simulation
N	87.55.K-	Monte Carlo methods
N	87.55.kd	Algorithms
N	87.55.kh	Applications
N	87.55.km	Verification
N	87.55.N-	Radiation monitoring, control, and safety
N	87.55.ne	Therapeutic applications
N	87.55.Qr	Quality assurance in radiotherapy
N	87.55.T-	Record and verify systems and applications
N	87.55.tg	Design
N	87.55.tm	Applications
	87.56.-v	Radiation therapy equipment
N	87.56.B-	Radiation sources
N	87.56.bd	Accelerators
N	87.56.bg	Radioactive sources
D	87.56.By	Radiation generators (Use 87.56.B-)
	87.56.Da	Ancillary equipment
	87.56.Fc	Quality assurance equipment
N	87.56.J-	Collimation
N	87.56.jf	Field size
N	87.56.jk	Field shaping
N	87.56.N-	Beam intensity modifications
N	87.56.ng	Wedges and compensators
N	87.56.nk	Collimators
S	87.57.-s	Medical imaging: general
M	87.57.-s	Medical imaging
N	87.57.C-	Image quality
D	87.57.Ce	Image quality: contrast, resolution, noise, etc. (Use 87.57.C-)
N	87.57.cf	Spatial resolution
N	87.57.cj	Contrast
N	87.57.cm	Noise
N	87.57.cp	Artifacts and distortion
D	87.57.Gg	Image reconstruction and registration (Use 87.57.N-)
N	87.57.N-	Image analysis
N	87.57.nf	Reconstruction
N	87.57.nj	Registration
D	87.57.Nk	Image analysis (Use 87.57.N-)
N