1.生物化学与分子生物学：以生物过程为对象，应用生物化学和分子生物学手段，对细胞生理代谢进行研究。
2.微生物代谢工程：应用遗传操作手段，结合代谢调控，优化生物反应过程。
3.生物材料的生物学效应。

近期发表论文
(1)Qian JC, Qin XL, Yin Q, et al. Cloning and characterization of Kluyveromyces marxianus Hog1 gene. Biotechnol. Lett., 2011, 33: 571-575.
(2)Qin XL, Qian JC, Yao GF, et al. GAP promoter library for fine-tuning gene expression in Pichia pastoris. Appl. Environ. Microb., 2011, 77: 3600-3608.
(3)Qin XL, Qian JC, Xiao CY, et al. Reliable high-throughput approach for screening of engineered constitutive promoters in the yeast Pichia pastoris. Lett. Appl. Microbiol., 2011, 52: 634-641.
(4)Zhang QL, Wu JQ, Qian JC, et al. Knocking out of tailoring genes eryK and eryG in an industrial erythromycin-producing strain of Saccharopolyspora erythraea leading to overproduction of erythromycin B, C, and D at different conversion ratios. Lett. Appl. Microbiol., 2011, 52: 129-137.
(5)Zhao QH, Qian JC, Zhou HJ, et al. In vitro osteoblast-like and endothelial cells' response to calcium silicate/calcium phosphate cement. Biomed. Mater., 2010, 5: 035004.
(6)Hu H, Qian JC, Chu J, et al. DNA shuffling of methionine adenosyltransferase gene leads to improved S-adenosyl-L-methionine production in Pichia pastoris. J. Biotechnol., 2009, 141: 97-103.
(7)Hu H, Qian JC, Chu J, et al. Optimization of L-Methionine feeding strategies for improving S-adenosyl-Lmethionine production by methionine adenosyltransferase overexpressed Pichia pastoris. Appl. Microbiol. Biotechnol., 2009, 83: 1105-1114.
2. 获奖成果
(1)2008年上海市科技进步一等奖
(2)2011年度国家科技进步二等奖
3. 专利
美国发明专利： US 7947821 B2, Date of Patent: 24-May-2011.