Patents obtained by Liu Long

We applied for 12 national invention patents, of which 4 were authorized:

1, Chen Jian, Liu Dengru, Liu Long, Deng Yu, Du Guocheng. Preparation method of carboxymethyl cellulose cross-linked amide derivatives. Authorized patent number: ZL 2006 100397 1.2.

2. Chen Jian, Deng Yu, Liu Long, Du Guocheng, Li Xiufen and Liu Dengru. Preparation method of hyaluronic acid-chitosan cross-linked biocompatible material. Authorized patent number: ZL 2006 10040084.7.

3. Chen Jian, Du Guocheng, Liu Long. A method for improving the production of hyaluronic acid by fermentation with intermittent high pH stress strategy. Patent number: ZL 2006 1 0098 195.3.

4. Chen Jian, Du Guocheng, Wang Miao, Liu Long, Qiu Kaijun. A method for improving the yield of fermented hyaluronic acid by adding oxygen carrier n-dodecane. Authorized patent number: 2008 10 123397.8

5. Chen Jian, Du Guocheng, Liu Long, Li Jianghua, Chenopodium album, Li Pingshun. A production process for improving the production intensity of propionic acid. Patent application number: 2010101356068.

6. Du Guocheng, Wang Jing, Wang,. L- phenylalanine producing strain with double phage resistance and breeding method thereof. Patent application number: 20101kloc-0/0356049.

7. Du Guocheng,,, Zhang. A method for efficiently producing 2-O- glucosyl ascorbic acid. Patent application number: 20 10 10248465.0.

Chen Jian, Du Guocheng, Li Jianghua, Liu Long, Zhu Yuhong. A method for detecting the content of α-ketoisohexanoic acid. Patent application number: 20 10 10272932.3.

9. Du Guocheng,,, Zhang. Immobilized cyclodextrin glucosyltransferase, preparation method and application thereof. Patent application number: 20 10 10297075.2.

10. Chen Jian, Du Guocheng, Liu Long, Li Jianghua. Sectional control method of volumetric dissolved oxygen transfer coefficient based on citric acid metabolic network. Patent application number: 20 10 10506932.5.

1 1. Chen Jian, Du Guocheng, Liu Long, Li Jianghua. A genetically engineered strain producing glucosamine and its application. Patent application number: 20 10 10578702. X.

12. Chen Jian, Du Guocheng, Wang Miao, Liu Long. A method for producing low molecular weight hyaluronic acid by oxidative degradation of hydrogen peroxide and ascorbic acid. Patent application number: 2008 10 123398.2.

Number of students studying for master's and doctor's degree.

At present, there are 0/7 graduate students/kloc-and 6 doctoral students.

Number of master's and doctoral graduates

Assist in guiding 6 graduate students and 1 doctoral students.

Number of undergraduates instructed

Guide college students' innovation plan and 20 undergraduate graduates.