英语翻译壳聚糖、琥珀酰化壳聚糖的FT-IR见图1.3400cm-1处为壳聚糖-OH、-NH2的伸缩振动吸收峰,1647cm-1、1562cm-1、1390cm-1分别为酰胺Ⅰ带、酰胺Ⅱ带、酰胺Ⅲ带的吸收峰,1070cm-1处为壳聚糖伯-OH的吸

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英语翻译
壳聚糖、琥珀酰化壳聚糖的FT-IR见图1.3400cm-1处为壳聚糖-OH、-NH2的伸缩振动吸收峰,1647cm-1、1562cm-1、1390cm-1分别为酰胺Ⅰ带、酰胺Ⅱ带、酰胺Ⅲ带的吸收峰,1070cm-1处为壳聚糖伯-OH的吸收峰,与壳聚糖相比,琥珀酰化壳聚糖在3400cm-1处的吸收峰变窄,1650cm-1、1560cm-1处的吸收峰明显加强.这个结果证实壳聚糖的酰化反应主要发生在壳聚糖分子的-NH2部位.
SUCS、5-FuOH与SUCS-5FuOH的FT-IR见图2.3400cm-1处为羟甲基-5-氟尿嘧啶-OH的伸缩振动吸收峰,1663cm-1处为5-氟尿嘧啶环中羰基的伸缩振动吸收峰,1247 cm-1处为-C-N的伸缩振动吸收峰；从SUCS-5FuOH的FT-IR可以看出：位于1739cm-1处的吸收峰归属于酯羰基峰,同时出现1274cm-1处-C-N的吸收峰.结果表明,5-FuOH中的-OH与SUCS中的-COOH进行了酯化反应.

Answer 1

Chitosan,the succinylated chitosan FT-IR shown in Figure 1.3400cm-1 in the chitosan-OH,-NH2 stretching vibration absorption peaks,1647cm-1,1562cm-1,1390cm-1 respectivelythe absorption peak of the amide I band,amide II band,amide Ⅲ belt,1070cm-1 office chitosan primary-OH absorption peak,compared with chitosan,succinylated chitosan in the absorbance at 3400cm-1peak narrows,1650 cm-1,1560 cm-1 at the absorption peak significantly strengthened.This result confirms that the chitosan acylation reaction occurs mainly in the chitosan-NH2 parts.
The the SUCS ,5-FuOH SUCS-5FuOH FT-IR shown in Figure 2.3400cm-1 office hydroxymethyl-5 - fluorouracil-OH stretching vibration absorption peaks at 1663cm-1 for 5 - fluorouracil ring carbonyl telescopic vibration absorption peak of 1247 cm-1 at the-CN stretching vibration absorption peak; from SUCS-5FuOH the FT-IR can be seen:the absorption peak attributable to the ester carbonyl peak located at 1739cm-1 appear at 1274cm-1 the absorption peak of-CN.The results show that the-COOH the,5-FuOH-OH and SUCS in esterification.
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