| absorbance (e.g. absorbance at 310) |
A (A 310 ) |
| acceleration due to gravity |
g |
| adenosine, mono-, di-, trisphosphate |
AMP, ADP, ATP |
| adenosine triphosphatase |
ATPase |
| aqueous |
aq. |
| average |
av. |
| becquerel |
Bq (1 Ci = 3.7 x 10 10 Bq) |
| bovine serum albumin |
BSA |
| calculated |
calc. |
| centigrade |
use Celsius; (°C) |
| centimetre (10 -2 x m) |
cm |
| circa |
ca |
| coefficient |
coeff. |
coenzyme A and acetyl
derivatives |
CoA and Acetyl CoA |
| colony forming units |
fu |
| complementary DNA |
cDNA |
| concentration |
concn |
| counts per minute |
ct min -1 |
| cultivar(s) |
cv. (cvs) |
| cyclic adenosine monophosphate |
cAMP |
| dalton |
Da |
| deci (10 -1 x) |
d; e.g. dm |
| degree absolute (Kelvin) |
°K = °C + 273 |
| degrees of freedom |
D.F. |
| deoxyribonucleic acid, deoxyribonuclease |
DNA, DNase |
| diameter |
diam. |
| dry weight |
d. wt |
| Einstein |
E |
| electron microscope (transmission and scanning) |
TEM, SEM |
| enzyme-linked immunosorbent assay |
ELISA |
| ethylene diaminetetraacetate |
EDTA |
| femto (10 -15 x) |
f; e.g. fg |
| Figure(s) |
Fig. (Figs) |
| fresh weight |
fresh wt |
| gas chromatography - mass spectrometry |
GC-MS |
| gas liquid chromatography |
GLC |
| genus, new |
gen.nov. |
| gram |
g |
| Greenwich Mean Time |
GMT |
| hectare |
ha |
| height |
ht |
| high performance liquid chromatography |
HPLC |
| hour |
h |
| hydrogen ion, minus log concentration |
pH (plural pH values) |
| immunofluorescence |
IF |
immunosorbent electron
microscopy |
ISEM |
| infrared |
i.r. |
| inorganic orthophosphate |
P i |
| inorganic pyrophosphate |
Pp i |
| joule (kg m 2 s -2 ) |
J, 1 calorie = 4.18 J |
| kilo (10 3 x) |
k; e.g. kg |
| least significant difference |
LSD |
| litre |
l, do not abbreviate when confusion could arise with number one |
| log to base 10 |
log |
| log to base e (natural log) |
ln |
| mass spectrometry |
MS |
| maximum |
max. |
| mega (10 6 x) |
M |
| melting point |
m.p. |
| metre |
m |
| micro (10 -6 x) |
µ; e.g. µg |
| milliequivalents |
meq |
| minimum |
min. |
| minute |
min |
| molar (mol l -1 ) |
M |
| mole (a gram molecule) |
mol |
| molecular weight |
mol. wt |
| nano (10 -9 x) |
n; e.g . ng |
| near ultraviolet |
n.u.v. |
| newton |
N |
| nicotinamide adenine dinucleotide and reduced form |
NAD, NADH |
| nicotinamide adenine dinucleotide phosphate and reduced form |
NADP, NADPH |
| normal |
N |
| number |
no. |
| observed |
obs. |
| parts per million |
ppm |
| pascal (unit of pressure) |
Pa; 100 kPa = 1 bar = 0.987 atmosphere |
| per |
use minus index, e.g. mg l - 1 except when unit is a culture vessel or organism |
| pico (10 -12 x) |
p; e.g. pg |
| probability (statistical) |
P ; use P = 0.05, etc. |
| radius |
r |
| relative humidity |
RH |
| retardation factor |
R F |
| revolution per minute |
rev. min -1 or rpm |
| ribonucleic acid, ribonuclease |
RNA (messenger RNA = mRNA etc.), RNase |
| second |
s |
| sodium dodecylsulphate |
SDS |
| solution |
soln |
| species |
sp.; plural spp. |
| standard deviation of sample |
SD |
| standard error of mean |
SE |
| temperature |
temp. |
| thin-layer chromatography |
TLC |
| ultraviolet light |
u.v. |
| variety |
var. |
| volume(s) |
vol. |
| volume/volume (concentration) |
v/v |
| water potential |
Y w |
| watt (J s -1 ) |
W |
| weight |
wt |
| weight/volume (concentration) |
w/v |
