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Overview

A20

A cytoplasmic zinc finger protein (790 aa) that inhibits NFκB activity and TNF-mediated programmed cell death. The expression of the A20 mRNA is upregulated by TNFα. It is a dual function ...

βAad

βAad  

symbol for a residue of the β‐amino acid l‐β‐aminoadipic acid, l‐3‐aminohexanedioic acid.
ecdysterone

ecdysterone  

ororor20‐hydroxyecdysone; (22R)‐2β,3β,14,20,22,25‐hexahydroxycholest‐7‐en‐6‐one; the ecdysteroid isolated both from insects and from crustaceans. In insects, ecdysterone is formed in peripheral ...
crucible

crucible  

A dish or other vessel in which substances can be heated to a high temperature. See also Gooch crucible.
electroforming

electroforming  

A method of forming intricate metal articles or parts by electrodeposition of the metal on a removable conductive mould.
deuterated compound

deuterated compound  

A compound in which some or all of the hydrogen–1 atoms have been replaced by deuterium atoms.
glyceraldehyde 3-phosphate

glyceraldehyde 3-phosphate  

A triose phosphate, CHOCH(OH)CH2OPO3H2, that is an intermediate in the Calvin cycle (see also photosynthesis) and glycolysis.
per cent

per cent  

Literally from the Latin ‘in every hundred’, so it is a fraction with the denominator of 100 replaced by this phrase, or by the symbol %. So 20 per cent=20%=20/100 which is 1/5 or 0.2.
Platonic hydrocarbons

Platonic hydrocarbons  

Hydrocarbons that have the same molecular geometry as the five Platonic solids, i.e. the tetrahedron, the cube, the octahedron, the dodecahedron and the icosahedron. These hydrocarbons have carbon ...
Tes

Tes  

orabbr. for N‐tris(hydroxymethyl)methyl‐2‐aminoethanesulfonic acid; 2‐ [2‐hydroxy‐1,1‐bis(hydroxymethyl)ethyl]amino ethanesulfonic acid; a Good buffer substance; pKa (20 °C) = 7.5.
glycylglycine

glycylglycine  

A dipeptide useful for the preparation of buffers in the pH range around its pKa (20 °C) of 8.40.
Hepps

Hepps  

ororabbr. for (and trivial name of) 4‐(2‐hydroxyethyl)‐1‐piperazinepropanesulfonic acid; a Good buffer substance, pKa (20°C)= 8.0.
glycinamide

glycinamide  

the trivial name for the amide of glycine, aminoacetamide; aminoethanamide; H2N–CH2–CO–NH2. It is predominantly cationic at neutrality and is useful as a buffer substance; pKa (20°C) = 8.20.
accessory pigment

accessory pigment  

A photosynthetic pigment that traps light energy and channels it to chlorophyll a, the primary pigment, which initiates the reactions of photosynthesis. Accessory pigments include the carotenoids, ...
ammonia clock

ammonia clock  

A form of atomic clock in which the frequency of a quartz oscillator is controlled by the vibrations of excited ammonia molecules. The ammonia molecule (NH3) consists of a pyramid with a nitrogen ...
CD3

CD3  

A CD marker, expressed exclusively in T lymphocytes, that consists of the γ (25 kDa), δ (20 kDa), and ε (20 kDa) polypeptides of the T‐cell receptor complex. CD3 proteins ...
substitution matrix

substitution matrix  

orora symmetrical 20×20 matrix containing values proportional to the probability that amino acid i mutates to amino acid j for all pairs of amino acids; the diagonal denotes ...
benzpyrene

benzpyrene  

A pale yellow solid, C20H12, m.p. 179°C, whose molecules consist of five fused benzene rings. It occurs in tars from coal and tobacco smoke and is a carcinogen.
bromomethane

bromomethane  

A colourless volatile nonflammable liquid, CH3Br; r.d. 1.68; m.p. –93°C; b.p. 3.56°C. It is a typical haloalkane.
1,2-dihydroxybenzene

1,2-dihydroxybenzene  

A colourless crystalline phenol, C6H4(OH)2; r.d. 1.15; m.p. 105°C; b.p. 245°C. It is used as a photographic developer.
phenyl methyl ketone

phenyl methyl ketone  

A colourless, crystalline ketone with an odour of bitter almonds, C6H5COCH3, m.p. 20°C. It is made by treating benzene with ethanoyl chloride in the presence of aluminium chloride. It is used as a ...

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