英语词汇“molisch test”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

attributive and in the genitive, esp. in Molisch (also Molisch's) reaction, Molisch test. Designating or relating to any of various biochemical tests for the presence of sugars, carbohydrates, or proteins in solution, in which α-naphthol (or for sugars, α-naphthol or thymol) reacts with the substance in the presence of sulphuric acid to give a violet colour (with α-naphthol) or a red one (with thymol).

ΚΠ

1886 Science 1 Oct. 299/1 A new and very sensitive test for cellulose and vegetable fibres has been described by Dr. Hans Mollich, an assistant at Professor Wiesner's phyto-physiological laboratory.]

1890 G. M. Gould New Med. Dict. 274/1 Molisch's test (for sugar). To 5 c.c. of the fluid add 2 drops of a 17 per cent. alcoholic solution of α-naphthol, or a solution of thymol. Add 1 to 2 c.c. of concentrated sulphuric acid, and shake.

1891 Jrnl. Chem. Soc. 60 i 128 As urine has been found to contain thiocyanic acid, Molisch's reaction affords no confirmation of the presence of sugar in that fluid.

1946 Nature 13 July 58/1 The crude precipitate, representing approximately 50 per cent of the protein-nitrogen of the original tissue, has a nitrogen content (ash-free) of 7.2 and gives..a strong Molisch reaction.

1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) iii. 366 If in Molisch's test conc. HCl is used instead of H₂SO₄, the violet coloration is produced at different rates according to the carbohydrate used.

1989 Jrnl. Clin. Microbiol. 27 2039/2 The Molisch test was performed on the material produced by viridans group streptococci in rabbit serum.

单词	molisch test
释义	> as lemmas Molisch test attributive and in the genitive, esp. in Molisch (also Molisch's) reaction, Molisch test. Designating or relating to any of various biochemical tests for the presence of sugars, carbohydrates, or proteins in solution, in which α-naphthol (or for sugars, α-naphthol or thymol) reacts with the substance in the presence of sulphuric acid to give a violet colour (with α-naphthol) or a red one (with thymol). ΚΠ 1886 Science 1 Oct. 299/1 A new and very sensitive test for cellulose and vegetable fibres has been described by Dr. Hans Mollich, an assistant at Professor Wiesner's phyto-physiological laboratory.] 1890 G. M. Gould New Med. Dict. 274/1 Molisch's test (for sugar). To 5 c.c. of the fluid add 2 drops of a 17 per cent. alcoholic solution of α-naphthol, or a solution of thymol. Add 1 to 2 c.c. of concentrated sulphuric acid, and shake. 1891 Jrnl. Chem. Soc. 60 i 128 As urine has been found to contain thiocyanic acid, Molisch's reaction affords no confirmation of the presence of sugar in that fluid. 1946 Nature 13 July 58/1 The crude precipitate, representing approximately 50 per cent of the protein-nitrogen of the original tissue, has a nitrogen content (ash-free) of 7.2 and gives..a strong Molisch reaction. 1960 F. G. Mann & B. C. Saunders Pract. Org. Chem. (ed. 4) iii. 366 If in Molisch's test conc. HCl is used instead of H₂SO₄, the violet coloration is produced at different rates according to the carbohydrate used. 1989 Jrnl. Clin. Microbiol. 27 2039/2 The Molisch test was performed on the material produced by viridans group streptococci in rabbit serum. extracted from Molischn. < as lemmas
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> as lemmas