(n.) An orange-red crystalline substance, C8H5NO2, obtained by the oxidation of indigo blue. It is also produced from certain derivatives of benzoic acid, and is one important source of artificial indigo.
Example Sentences:
(1) The inhibition by an isatin-beta-isothiosemicarbazone acting on the complex III of the succinate oxidase system is relieved by TMPD analogous to antimycin A.
(2) The GC-MS properties of a number of derivatives formed by successive reaction of isatin with hydroxylamine hydrochloride (or methoxyaminehydrochloride or ethoxyamine hydrochloride) and MTBSTFA, bis(trimethylsiyl)trifluoroacetamide, pentafluoropropionic anhydride or pentafluorobenzyl bromide are also described.
(3) Isatin and its N-acetylisatin are extremely versatile intermediates in the construction of a variety of heterocyclic systems when reacted with thiosemicarbazide derivatives.
(4) Isatin was a slightly less potent enzyme inhibitor.
(5) N-methyl and N-ethyl isatin beta-thiosemicarbazones inactivate cell-free Parana and Pichinde viruses as well as three strains of lymphocytic choriomeningitis virus.
(6) The modulators studied were not similar to tribulin (isatin) or quinolinic acid in their effects on catalytic properties of the amine oxidases investigated.
(7) The infectivity of intact lambda phage and transfection by lambda deoxyribonucleic acid were inactivated by exposure to the copper complexes of N-methyl-isatin beta-thiosemicarbazone, thiosemicarbazide, and semicarbazide, but not methyl-isatin.
(8) The results of the study are discussed in terms of the relationship of isatin to tribulin and their possible causal role in stress.
(9) Isatin-induced reduction in glucose uptake was unaffected by pH (between 5.5 and 8.4) and by DTT addition to incubation medium.
(10) The rate of virus inactivation by N-methyl isatin beta-thiosemicarbazone is greatly enhanced and controlled by the addition of cupric sulphate.
(11) The isatin inhibition was a competitive inhibition type for parasite and uncompetitive type for host liver enzyme.
(12) The parent compound isatin thiosemicarbazone and 25 other derivatives were tested, and a wide range of activity was found (50% colony inhibition from 0.07 to > 100 mug per ml of culture).
(13) Isatin activation of the liver enzyme is of mixed type and pH dependent.
(14) A new mathematical method based on 3-, 4- or 6-point parallel-line assays was applied for working out a computer programme used to evaluate the activity of some new isatin-beta-thiosemicarbazone derivatives against vaccinia virus, studied in vivo.
(15) It was found that a change in activity is produced by condensation on the carbon atom in position 3 and by aminomethylation on the nitrogen atom in the isatin nucleus.
(16) Newly synthetized compounds of Mannich bases isatin-beta-thiosemicarbazone derivatives: N,N'-bis-(beta-thiosemicarbazone-isatinmethyl)-2-methylpiperazine (TSKI-VI); N,N'-bis (beta-thiosemicarbazoneisatinmethyl)-cis-2,5-dimethylpiperazine (TSKI-VII) and N,N'-bis (beta-thiosemicarbazoneisatinmethyl)-trans-2,5-dimethylpiperazine (TSKI-VII), showed protective effect on mice infected i.c.
(17) The effects of isatin-beta-thiosemicarbazone on vaccinia virus-induced polypeptide synthesis has been examined by polyacrylamide gel electrophoresis and autoradiography.
(18) The effect of oxyphenisatin and three other isatin derivatives on glucose and tyrosine absorption is studied in rat small intestine, in vitro.
(19) This finding supports the hypothesis that isatin is a component of tribulin activity and may have a role in anxiety or epilepsy.
(20) That the inhibition is non-competitive as well as non-allosteric is evident from a) the hyperbolic curve relating inhibition as a function of inhibitor concentration; b) the small change in enthalpy, free energy and entropy; c) the number of isatin molecules associating with 1 molecule of the enzyme (n=1.29); and, d) the decrease in the values of both Km and Vmax in the presence of isatin.
Satin
Definition:
(n.) A silk cloth, of a thick, close texture, and overshot woof, which has a glossy surface.
Example Sentences:
(1) When I first met her around Camden she was just some twit in a pink satin jacket shuffling round bars with mutual friends, most of whom were in cool indie bands or peripheral Camden figures Withnail-ing their way through life on impotent charisma.
(2) George will be christened in a replica of the intricate lace and satin christening gown made for Queen Victoria's eldest daughter, Victoria, the princess royal, in 1841.
(3) There is no mention of the "shiny, shiny, shiny boots of leather" of the Velvet Underground song, but Wanda's clothes are recorded precisely, the satins, the linens – above all, the furs.
(4) Non-coated specimens having a satin surface finish were also embedded in bone cement and tested.
(5) Charles's sombre but still-beautiful features, the waterfall of black curls, the exquisite lace at his throat, the satin and velvet of the royal vestments inspired the artists of the day to some memorable work.
(6) Lactation records (n = 86) from 60 does of four breeds (Californian, New Zealand White, Palomino and White Satin) were analyzed to assess the effects of breed, parity, day of lactation and number of kits on milk production.
(7) And the evening dresses in slippery satin, ruched and clasped with crystal reimaginings of the metal clips used in school dissection seemed vaguely sinister in origin – although, in true contradictory Kane signature style, these dresses were among the most elegant and desirable on the catwalk.
(8) A reproduction of a christening gown worn by royal babies since 1841, it's appropriately luxurious for its royal occupant – long and made of ivory satin and yards of delicate lace, it has little puffed sleeves.
(9) At Tony Soprano's Bada-Bing – used as a location in the series though actually named Satin Dolls – bored-looking Russian women in bikinis clustered around heavy-set Italian-American men to the sound of 70s rock.
(10) A sequel to The Stud, The Bitch continues the story of Fontaine Khaled, who has "an Arab millionaire among her yesterdays and hard-gambling Nico for all her tomorrows", as she "calls the shots from her plush limos and black satin sheets".
(11) I held up that first puppy, who I called Patient Zero,” she told me, “and I said, ‘I don’t know what this is gonna do to you, but you will live on a satin pillow the rest of your days.” The injection made the dogs infertile, but left them otherwise happy and healthy.
(12) In fashion, we have the mainstream fashion line and the modest fashion line,” says Malaysian designer Hazizul Abd Aziz of Aidijuma who favors cool satins and cottons.
(13) Do they also have black satin sheets, R Kelly playing on low volume and mirrors on the ceiling?
(14) Instead of Elsie Tanner in a too-tight skirt, it had everybody in satin-sheeted beds with everybody else (by 1985, there must have been more chlamydia than oil in them thar fields).
(15) The cover displayed a logo patch sewn on to a black satin jacket, while the inner sleeve depicted a desk cluttered with adolescent artefacts, including a 1976 KISS poster and a Chic single sleeve.
(16) Freddie's wearing tight oyster-grey satin pants, an antique market cream satin blouse and a scarlet velvet Victorian bed jacket.
(17) From the first look – a black satin knee-length dress worn with scarlet boots – it felt late night and louche, ready for Berlin's nightclubs.
(18) The kidnappers' demands were ably investigated by the bride, imperturbable in ivory satin, though the list of suspects (a brisk resumé of all the Braithwaites' aggrieved lovers) made her reconsider matrimony.
(19) Or just, not coral satin pants with suspenders, like the ones Sam Cooke, 28, from Manchester, was wearing in the Sun last Friday?
(20) There can be few who stop and look at his 1880-81 Little Dancer Aged 14 , the bronze sculpture of the adolescent dancer who wears a gauzy fabric tutu and a satin ribbon tied to the cue of her bronze hair and not feel in the presence of a great and mysterious thing.