研究主題

高分子物理
高分子產物在人類的生活中已成為不可或缺的物質，但由於其結構遠較一般簡單分子複雜，我們對它功能的瞭解及研發的工作，常僅止於經驗式的進行。本研究小組即是利用電腦模擬與統計熱力學的方式，嘗試由微觀層次來研究高分子系統宏觀特性，希望能藉此更進一步瞭解高分子的熱力性質與動態行為。

含帶電界面之熱力平衡系統
靜電作用是隨距離一次方遞減的長距離作用，即r-1；該特性使得有關含離子系統的研究，如生物與奈米系統，變得相當棘手。與高分子系統類似，這種系統常需考慮複雜的多體作用。我們著重於以平均場理論初步地瞭解系統的熱力學性質；再以分子模擬的方法探討離子擾動性與相關性對這類系統的影響。

最新研究

1. Studies of Drug Delivery and Drug Release of Dendrimer By Dissipative Particle Dynamics 以耗散粒子動力學法研究樹枝狀高分子之藥物攜帶及釋放功能 Sheng, Yu-Jane, sponsored by National Science Council #NSC97-2221-E-002-082, NT$ 990,000, 8/1/2008-7/31/2009.

2. 梳狀型帶有聚醚鏈段之高分子及其共價鍵結奈米粒子複合結構之精準合成與應用(1/3) 奈米國家型科技計畫共同主持人 NT$ 7,000,000, 8/1/2008 – 7/31/2011

榮譽獎項

代表著作 所有著作

1. Wang, TY, Lee, TR, Sheng, Yu-Jane and Tsao, Heng-Kwong, “Effective Charges of Polyelectrolytes in a Salt-Free Solution based on Counterion Chemical Potential,” J. Phys. Chem. B 109, 22560 (2005). (SCI, EI)

 

2. Sheng, Yu-Jane; Mou, YC and Tsao, Heng-Kwong, “Conformational entropy of a pseudoknot polymer,” J. Chem. Phys. 124, 124904 (2006). (SCI, EI)

 

3. Zhou, J., Zhang, L. Leng, Y., Tsao, H.-K., Sheng, Yu-Jane and Jiang, S. “Unbinding of the Streptavidin-biotin Complex by Atomic Force Microscopy:  A Hybrid Simulation Study” J. Chem. Phys. 125, 104905 (2006). (SCI, EI).

 

4. Sheng, Yu-Jane; Nung, C.-H. and Tsao, H.-K. “Morphologies of Star-block Copolymers in Dilute Solutions,” J. Phys. Chem. B 110, 21643 (2006). (SCI, EI).

 

5. Sheng, Yu-Jane; Chou, S-H and Tsao, Heng-Kwong, “Morphologies of Multicompartment Micelles formed by Triblock Copolymers,” J. Chem. Phys. 125, 194903 (2006). (SCI, EI)

 

6. Wang, Tzu-Yu; Sheng, Yu-Jane and Tsao, Heng-Kwong, “Effects of Multivalent Salt Addition on Effective Charge of Dilute Colloidal Solutions,” J. Chem. Phys. 125, 194523 (2006). (SCI, EI)

 

7. Wu, Wen-Chung; Tian, Yanqing; Chen, Ching-Yi; Lee, Chun-Sheng; Sheng, Yu-Jane; Chen, Wen-Chang; and Jen, Alex K.-Y. “Theoretical and Experimental Studies on the Surface Structures of Conjugated Rod-Coil Block Copolymer Brushes,” Langmuir 23, 2805 (2007). (SCI, EI) (合著)

 

8. Lin, Han-Jou; Sheng, Yu-Jane; Chen, Hsuan-Yi and Tsao, Heng-Kwong, “Influences of Linkage Stifness on Rupture Rate in Single-Molecule Pulling Experiments,” J. Phy. Chem. B, 111, 6493 (2007). (SCI, EI)

 

9. Lin, Han-Jou; Chen, Hsuan-Yi ; Sheng, Yu-Jane and Tsao, Heng-Kwong, “Bell's expression and the generalized garg form for forced dissociation of a biomolecular complex,” Phys. Rev. Lett. 98 088304 (2007). (SCI, EI)

 

10. Chang F.-M.; Sheng, Yu-Jane; Chen, H. and Tsao, Heng-Kwong, “From Superhydrophobic to Superhydrophilic Surfaces Tuned by Surfactant Solutions,” Appl. Phys. Lett. 91, 094108 (2007). (SCI, EI)

 

11. Sheng, Yu-Jane; Wang, T.-Y.; Chen, W. M. and Tsao, Heng-Kwong “A-B Diblock Copolymer Micelles: Effects of Soluble-Block Length and Component Compatibility,” J. Phys. Chem. B 111, 10938 (2007). (SCI, EI)

 

12. Sheng, Yu-Jane; Jiang Shaoyi and Tsao, Heng-Kwong “Effects of Geometrical Characteristics of Surface Roughness on Droplet Wetting,” J. Chem. Phys. 127, 234704 (2007). (SCI, EI).

 

13. Lin, Han-Jou; Sheng, Yu-Jane; Chen, Hsuan-Yi; Tsao, Heng-Kwong “Forced dissociation of a biomolecular complex under periodic and correlated random forcing,” J. Chem. Phys. 128, 084708 (2008). (SCI, EI)

 

14. Cheng, Kuang-Ling; Sheng, Yu-Jane; Jiang, Shaoyi; Tsao, Heng-Kwong “Electrophoretic size separation of particles in a periodically constricted microchannel,” J. Chem. Phys. 128, 101101 (2008). (SCI, EI)

 

15. Li, Chun-Shian; Wu, Wen-Chung; Sheng, Yu-Jane; Chen, Wen-Chang  “Effects of chain architectures on the surface structures of conjugated rod-coil block copolymer brushes,” J. Chem. Phys. 128, 154908 (2008). (SCI, EI) (合著)

 

16. Chang, Feng-Ming; Sheng, Yu-Jane; Cheng, Shao-Liang; Tsao, Heng-Kwong “Tiny bubble removal by gas flow through porous superhydrophobic surfaces: Ostwald ripening,” Appl. Phys. Lett. 92, 264102 (2008). (SCI,EI)

 

17. Cheng, Kuang-Ling; Sheng, Yu-Jane; Tsao, Heng-Kwong “Brownian escape and force-driven transport through entropic barriers: particle size effect,” J. Chem. Phys. 129, 184901 (2008). (SCI, EI)

 

18. Wang, Tzu-Yu; Li, Hsien-Tsung; Sheng, Yu-Jane; Tsao, Heng-Kwong “Equilibrium Sedimentation Profile of Dilute, Salt-Free Charged Colloids,” J. Chem. Phys. 129, 204504 (2008). (SCI, EI)

 

19. Chou, Shih-Hao; Sheng, Yu-Jane; Tsao, Heng-Kwong “Atypical Micellization of Star-Block Copolymer Solutions,” J. Chem. Phys. 129, 224902 (2008). (SCI, EI)

 

20. Hower, Jason C.; Bernards, Matthew T.; Chen, Shengfu; Tsao, Heng-Kwong; Sheng, Yu-Jane; Jiang, Shaoyi “Hydration of “Nonfouling” Functional Groups” J. Phys. Chem. B, 113, 197 (2009) (SCI, EI)