Excess enthalpies of N-acetylglycineamide and N-acetyl-l-leucineamide in concentrated aqueous solutions of tetramethylurea
✍ Scribed by G. Barone; P. Del Vecchio; C. Giancola; G. Graziano
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 417 KB
- Volume
- 227
- Category
- Article
- ISSN
- 0040-6031
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## Abstract We have examined the NH stretching frequencies of __N__‐acetyl‐__N′__‐methyl‐L‐alanineamide (blocked Ala), __N__‐acetyl‐__N′__‐methylglycineamide (block Gly), and __N__‐acetyl‐__N′__‐methyl‐L‐leucineamide (blocked Leu) in chloroform using irspectroscopy. Their spectrum of blocked Leu in
## Abstract In the presence of sodium poly(L‐glutamate) at pH = 7.5 the dye pseudoisocyanine in dilute aqueous solution (__C__~__d__~ = 1.10 × 10^−5^ __M__) and low P/D values exhibits an absorption spectrum with a very sharp red‐shifted J‐band. Under the same conditions circular dichroism (CD) in