研究方向
1、生物技術 研究內容：實用技術和產品的開發與套用。
（1）生化藥物、天然藥物的開發套用。
（2）生物成分提取及其在保健品、食品添加劑、化妝品、工農業、生物醫學工程上的套用。
（3）生物廢棄物的綜合利用。
註：（1）在工業如用於製造易降解的一次性食品袋、飯盒等。（2）在農業上如用於噴灑使植物生長快、成熟好、子粒飽滿的成分。（3）在生物醫學工程上如用於製造易被人體吸收的人造縫合線、人造骨、人造皮膚、血管粘合劑等。
（4）生物廢棄物如用人尿提取種種酶、多肽，人參莖葉提取人參皂甙、多糖等。
2、套用微生物和菌種選育研究內容：
對工業用抗生素菌株原生質體的處理（包括宇宙射線等的處理），通過原生質體的再生，融合等方法來提高菌種的發酵單位。開發在宇宙空間能生長的實用菌等的產品。
3、蛋白質結晶成長研究內容：
（1）核成長的控制通過對基板表面的修飾和改造來控制蛋白質分子的排列和凝聚，達到控制核的形成和成長。
（2）蛋白質結晶成長的機理 利用原子力顯微鏡，在分子水平上研究結晶表面的形態變化和成長速度以及對流等對結晶成長的影響，闡明微重力環境對蛋白質結晶成長影響的機理。
研究成果
1.Long Rong and Hiroshi Takeuchi “Protein Extraction by Reverse Micelles of Dialkyl Thiophoric Acids” Proceedings of the 5th world congress of chemical engineering (1996 USA) AIChE, Vol. II, 593-598.
2.Long Rong, Takashi Yamane and Hiroshi Takeuchi “A New Reversed Micellar System from Di(2-Ethylhexyl) Phosphorothioic Acid: Its Application to Extraction of Hemoglobin” J. Chem. Eng. Japan, Vol.31, No.3, (1998) 434-439.
3.Long Rong, Takashi Yamane and Hiroshi Takeuchi “Characteristics of Mixed Reversed Micelles from Termary Surfactant with Di(2-Ethylhexyl) Tails” J. Chem. Eng. Japan, Vol.32, No.3, (1999) 530-534.
4.Long Rong, Takashi Yamane and N.Niimura “Measurement and control of the crystal growth rate of tetragonal hen egg-white lysozyme imaged with an atomic force microscope” J. Crystal growth 217 (2000) 161-169.
5.Takashi Korenaga, Tamao, Odake, Yasunari Ono and Long Rong “Development of a gas absorption microchip using porous glass and its evaluation for analytical application” Bunseki Kagaku, Vol.49 No.6 (2000) 423-427.
6.Long Rong, Hiroshi Komatsu, Makoto Nastuisaka and Shinichi Yoda “Epitaxial Nucleation of Protein Crystal on Poly-L-Lysine Modified Surface” Jpn. J. Appl. Phys. Vol.40 (2001) 6677-6688.
7.Long Rong, Hiroshi Komatsu, Shinichi Yoda “Control of heterogeneous nucleation of lysozyme crystal by using Poly-L-Lysine modified substrate” J. Crystal Growth 235 (2002) 489-493.
8.L.Rong, I.Yoshizaki, H.Komatsu, A.Kadowaki, S.Fukuyama, Y.Limura and S.Yoda “Effect of solution flow on the protein crystal growth” J. Jpan. Soc. Microgravity Appl, 20 No.2 (2003) 128-131.
9.Long Rong, Izumi Yoshizaki, Hiroshi Komatru and Shinichi Yoda “Protein crystallization by using porous glass substrate” J. Synchrotron Radiation (2004) 11, 27-29.
10.A. Kadowaki, I. Yoshizaki, L. Rong, H. Komastu, O. Odawara, S. Yoda “The improvement of protein crystal quality by using forced solution flow” J. Synchrotron Radiation (2004) 11, 38-40.
11.Y. Iimura, I. Yoshizaki, L. Rong, S. Adachi, S. Yoda, H. Komatsu, “Development of a reusable protein seed crystal processed by chemical cross-linking” Journal of Crystal Growth 275 (2005) 554-560.
12.Yoshizaki, S. Fukuyama, H. Koizumi, M. Tachibana, K. Kojima, Y. Matsuura, M. Tanaka, N. Igarashi, A. Kadowaki, L. Rong, S. Adachi, S. Yoda, and H. Komatsu “Impurity induced defect and its effect on protein crystal perfection” Journal of Crystal Growth 290 (2006) 185-191.
