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Words related to putrescine

a colorless crystalline ptomaine with a foul odor that is produced in decaying animal matter

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Epichlorohydrin (EPI), 1,2-diaminoethane and 1,4-diaminobutane were purchased from Merck.
Pea seedlings amine oxidase (PSAO) has been found to have a 100% relative specific activity towards 1,4-diaminobutane, 111% towards 1,5-diaminopentane, 56% towards agmatine and spermidine, 44% towards 1,6-diaminohexane, 30% towards histamine, 8% towards spermine, and no activity towards 1,3-diaminopropane [13].
Progressively increasing the size of chelation rings to compounds with the potential to form 7-atom ring complexes with copper, such as 1,4-diaminobutane, led to much lower reactivity.
In a first step, the enzyme is reacted in an organic solvent with a bifunctional monomer such as p-phenylene diisocyanate, 4-methyl-m-phenylene diisocyanate or 4,4'-methylenebisphenyl diisocyanate, and in a second step a bifunctional amine such as N-phenylethylenediamine, 1,6-diaminohexane, N,N'-diethyl-ethylenediamine or 1,4-diaminobutane is added.
T4T-dimethyl was synthesized and purified according to route II for T2T-dimethyl as previously described [8], except that 1,2-diaminoethane was replaced by 1,4-diaminobutane.
In a first screening, the PI "poly(BTDA-DAB)" (1), synthesized in a two-step process from 3,3[prime],4,4[prime]-benzophenonetetra-carboxylic dianhydride (BTDA) and 1,4-diaminobutane (DAB), proved to exhibit a rather exclusive balance between thermal/mechanical properties and processability.
Efficacy of 1,4-diaminobutane (putrescine) in food-based synthetic attractant for capture of Mediterranean and Mexican fruit flies (Diptera: Tephritidae) J.