Effect of irradiation on degradation of O3, N2O, N2 and O2-saturated chitosan
β Scribed by Xing-Ai Gao; Woo-Jin Jung; Seung-Ho Yu; Myun-Joo Lee; Ro-Dong Park
- Book ID
- 118472937
- Publisher
- Elsevier Science
- Year
- 2008
- Tongue
- English
- Weight
- 95 KB
- Volume
- 136
- Category
- Article
- ISSN
- 0168-1656
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π SIMILAR VOLUMES
## Abstract A general synthetic approach for the synthesis of ^15^Nβ and ^17^Oβdoubly labelled pyrimidine nucleosides is described. The ^15^N isotopes in uridine and the ^17^O isotope in the ureaβderived carbonyl group of uridine and cytidine originate from (^15^N~2~)[^17^O]urea (5) which was synth
Mixtures of N,O, and N,O, have been prepared from measured volumes of NO and 0,. Phase relationships in the system N,O,/N,O,, which depend on the composition of the samples and on the temperature, were studied by the Guinier technique and differential thermal analysis. Single crystals of phases A an