帮我修改几个英文文章里里的句子,

题目

帮我修改几个英文文章里里的句子,
1 According to enzyme and nucleotide assays,the death of E.coli,a sequential two-step process that the separation of cell wall from plasma-membrane and then the destruction of plasma-membrane was confirmed.
2 Chitin and derivation from chitosan are two most common polymers in nature,with chitin is next rich to cellulose in natural.
3 The stability and heat-resistant performance of nano-TiO2 is very well.
4 For overcoming the limitation of nano-TiO2 which photocatalytic activity mainly depends on the UV irradiation,and the novel active anti-bacterial and anti-mildew coatings (AAC) using the chitosan modified by nano-TiO2 were prepared.
5 To solve the problem that only under UV irradiation common TiO2 could play phtotcatalysis,we used the chitosan modified by Fe doppped nano-TiO2 to make the novel active anti-bacterial and anti-mildew coatings (AAC) was prepared.

答案

好多专业术语啊.语法应该没有错.不知你单词有没写错哦、、