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FLASH PHOTOLYSIS OF N-ACETYL-L-TRYPTOPHANAMIDE: ANALYSIS OF TRANSIENTS EMPLOYING VIDICON TUBE DETECTION

โœ Scribed by R. F. Evans; W. A. Volkert; R. R. Kuntz; C. A. Ghiron

Book ID
114892297
Publisher
John Wiley and Sons
Year
1976
Tongue
English
Weight
399 KB
Volume
24
Category
Article
ISSN
0031-8655

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๐Ÿ“œ SIMILAR VOLUMES

Flash photolysis of N-acetyl-L-tryptopha
Flash photolysis of N-acetyl-L-tryptophanamide; acid-base equilibrium of the radical transients
โœ R.F. Evans; C.A. Ghiron; W.A. Volkert; R.R. Kuntz ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 306 KB

The transient with a A,, at 570 nm observed in the flash photolysis of Nacetyl-L-tryptophanamide is confirmed to be the positive radical This species 1s in rapid equilibrium with Its deprotonated form (hmax = 5 10 nm) with a pK of 4.3.

Flash photolysis of N-acetyl-L-tryptopha
Flash photolysis of N-acetyl-L-tryptophanamide; proton quenching of radical and electron production
โœ R.F. Evans; C.A. Ghiron; R.R. Kuntz; W.A. Volkert ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 416 KB

Proton quenching of fluorescence, radical and electron production in the flash photorysis of N-acetyl-L-tryptophanamide indicates these processes originate from a common state. An indole photolysis model consistent with these and carlier observations is suggested.

Flash photolysis of N-acetyl-L-tryptopha
Flash photolysis of N-acetyl-L-tryptophanamide; evidence for radical production without hydrated electron formation
โœ R.F. Evans; C.A. Ghiron; W.A. Volkert; R.R. Kuntz; R. Santus; M. Bazin ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 376 KB

Electron countmg methods show that approximately 50% of the neutral r2dlcals produced m the flash photolysis of N-acetyl-L-tryptophanamide (NATA) are not accompanied by hydrated electron formation. Thus, the rzeutral radical cannot or&ate solely from the photoionlzatlon reaction.