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NOBS is the main bleach activator used in the U.S.A. and Japan. [4] Compared to TAED, which is the predominant bleach activator used in Europe, NOBS is efficient at much lower temperatures. At 20 °C NOBS is 100 times more soluble than TAED in water. [5]
The overall reaction of TAED (1) with 2 equivalents of hydrogen peroxide gives diacetylethylenediamine (2) and 2 equivalents of peracetic acid (3): Only the perhydroxyl anion, and not the hydrogen peroxide molecule, reacts with the bleach activator. [4]
Powdered TAED is stabilized by granulation with the aid of the sodium salt of carboxymethylcellulose (Na-CMC), [10] which are sometimes additionally coated blue or green. . Despite the relatively low solubility of TAED in cool water, (1 g/L at 20 °C), the granulate dissolves rapidly in the washing l
Activator Appliance is an Orthodontics appliance that was developed by Viggo Andresen in 1908. This was one of the first functional appliances that was developed to correct functional jaw in the early 1900s. Activator appliance became the universal appliance that was used widely throughout Europe in the earlier part of the 20th century. [1]
Signal transducer and activator of transcription 5 (STAT5) refers to two highly related proteins, STAT5A and STAT5B, which are part of the seven-membered STAT family of proteins. Though STAT5A and STAT5B are encoded by separate genes , the proteins are 90% identical at the amino acid level. [ 1 ]
The AP-1 binding site was identified as the 12-O-Tetradecanoylphorbol-13-acetate response element (TRE) with the consensus sequence 5’-TGA G/C TCA-3’. [4] The AP-1 subunit Jun was identified as a novel oncoprotein of avian sarcoma virus , and Fos-associated p39 protein was identified as the transcript of the cellular Jun gene.
Catabolite activator protein (CAP; also known as cAMP receptor protein, CRP) is a trans-acting transcriptional activator that exists as a homodimer in solution. Each subunit of CAP is composed of a ligand -binding domain at the N-terminus (CAP N , residues 1–138) and a DNA-binding domain at the C-terminus (DBD, residues 139–209).
Based on detailed analyses of 15-lipoxygenase 1 and stabilized 5-lipoxygenase, lipoxygenase structures consist of a 15 kilodalton N-terminal beta barrel domain, a small (e.g. ~0.6 kilodalton) linker inter-domain (see Protein domain § Domains and protein flexibility), and a relatively large C-terminal catalytic domain which contains the non-heme iron critical for the enzymes' catalytic ...