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Standard Abbreviations

[ ABCDEFGHIJKLMNOPQRSTUVWXYZ ]

2D, two-dimensional
3D, three-dimensional

A

A, ampere
    µA, microampere(s)
    pA, picoampere(s)
Å, angstrom (10-10 m)
Ab, antibody
AFM, atomic force microscopy
Ag, antigen
ANOVA, analysis of variance
atm, atmosphere
ATP, adenosine triphosphate
    (also ADP, AMP, CTP, UDP, etc.)

B

bp, base pair
Bq, Becquerel
BSA, bovine serum albumin

C

C, coulumb
    µC, microcoulumb(s)
°C, degree Celsius
cAMP, cyclic AMP (also cGMP)
cDNA, complementary DNA
CFTR, cystic fibrosis transmembrane conductance regulator
Ci, curie(s)
    µCi, microcurie(s)
    mCi, millicurie(s)
CICR, Ca2+-induced Ca2+ release
Cm, membrane capacitance
CNG, cyclic nucleotide gated
cpm, counts per minute
CRISPR, clustered regularly interspaced short palindromic repeats

D

D/Da, dalton
    kD/kDa, kilodalton(s)
dpm, disintegrations per minute
diam, diameter
DMSO, dimethyl sulfoxide
DNA, deoxyribonucleic acid

E

ED50, 50% effective dose
EDTA, ethylenediaminetetraacetic acid
EGTA, ethyleneglycol-bis (beta-aminoethylether)- N,N'-tetraacetic acid
ELISA, enzyme-linked immunosorbent assay
EM, electron microscopy
    cryo-EM, cryo-electron microscopy
EPR, electron paramagnetic resonance
ER, endoplasmic reticulum

F

FBS, fetal bovine serum
FCS, fetal calf serum
FITC, fluorescein isothiocyanate
FRAP, fluorescence recovery after photobleaching
FRET, Förster resonance energy transfer

G

g, gram
    kg, kilogram
g, unit of gravity
G, conductance
GFP, green fluorescent protein

H

h/hr, hour
Hepes/HEPES, N-2-hydroxyethylpiperazine-N'-2-ethane sulfonic acid
HPLC, high performance liquid chromatography

I

I, current
Ig, immunoglobulin
IL, interleukin (e.g., IL-2)
IU, international unit(s)
i-V (and g-V) single-channel current voltage relation
I-V (and G-V) membrane current-voltage (or conductance-voltage) relation

J

J, Joule
    kJ, kiloJoule

K

°K, degree kelvin
kb, kilobase(s)
kB, Boltzmann constant
kcal, kilocalorie(s)
Kd, dissociation constant
Ki, inhibition constant
Km, Michaelis constant

L

L, liter(s)
    but ml, milliliter(s)
LD50, 50% lethal dose

M

m, meter
   cm3, (not cc) cubic centimeter(s)
   μm or 10−6 m, (not μ) micrometer(s)
M, molar
mAb, monoclonal antibody
MD molecular dynamics
MEM, minimum essential medium
Mes, 2-(N-morpholino) ethane-sulfonic acid
μeq, microequivalent(s)
    meq, milliequivalent(s)
MHC, major histocompatibility complex
min, minute(s)
mm Hg, millimeters of mercury
mo, month
mol, mole
mol wt, molecular weight
MOPS, morpholino propane sulfonic acid
Mr, relative molecular mass
MTS, methanethiosulfonate

N

n, number in a study or group
N, normal (concentration of ionizable groups)
NAD+, nicotinamide adenine dinucleotide
    (also NADH NADP, NADPH, etc.)
ND, not determined
NMDG, (or NMDA) N-methyl-D- glucamine (or -arginine)
NMR, nuclear magnetic resonance
No., number
NS/ns, not significant

O

OD, optical density
osM, osmolar
osmol, osmole(s)
    μosmol, microosmole(s)
    mosmol, milliosmole(s)

P

Pa, Pascal
    kPa, kiloPascal
PAGE, polyacrylamide gel electrophoresis
PBS, phosphate-buffered saline
PCR, polymerase chain reaction
PG, prostaglandin
Pi, inorganic orthophosphate
pI, isoelectric point
Pipes, [1,4-piperazinebis(ethane sulfonic acid)]
PKA, protein kinase A
    (also PKC, PKG)
PLA2, phospholipase A2
    (also PLC)
PMA, phorbol myristate acetate
PMSF, phenylmethylsulfonyl fluoride

R

r, correlation coefficient
R, gas coefficient
Rf, retardation factor
RFLP, restriction fragment lenght polymorphism
RFP, red fluorescent protein
RIA, radioimmunoassay
RMSD, root mean square deviation/difference
RNA, ribonucleic acid
     mRNA, messenger RNA
     tRNA, transfer RNA
rpm, revolutions per minute
RYR, ryanodine receptor

S

s/sec, seconds(s)
SD, standard deviation
SDS, sodium dodecyl sulfate
SERCA, sarco/endoplasmic reticulum Ca2+-ATPase
SEM, standard error of the mean
SR, sarcoplasmic reticulum

T

T, temperature in degrees Kelvin
t test, Student's t test
t1/2, half-life, half-time
TEA, tetraethylammonium
TIRF, total internal reflection fluorescence
TLC, thin layer chromatography
Tris, tris(hydroxymethyl)aminomethane

U

U, unit
UV, ultraviolet

V

V, volt
     mV, millivolt
Vmax, maximum velocity
vol, volume

W

W, watt(s) (voltampere)
wk, week
wt, weight
WT, wild type

Y

YFP, yellow fluorescent protein

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