1) Biomedical materials: a. Research of biodegradable bioactive materials; b. Research of nanocomposite biomaterials; c. Research of cartilage and bone tissue engineering scaffold material; d. Researches of new type tissue tape and relevant materials; e. Researches of new degradable sutures; f. Researches of medicine carrying controlled-release and targeted drug delivery nanomaterials; g. Researches of biosensor and biochip.
2) Microstructure, properties and analysis evaluation of metallic materials: a. Titanium alloy; b. Al-Si alloy; c. Mg alloy.
3) The materials for waste water treatment: Including preparations and properties of various heavy metal-ion absorbents, environmental protection packing.
4) Environmental & Energy saving materials.

12/2013—now Materials Science and Engineering, Xi’an Jiaotong University. Professor.
07/2009—07/2010 Division of Medical Sciences, Harvard University, MIT, USA. Visiting Professor.
07/2007—11/2013 Materials Science and Engineering, Xi’an Jiaotong University. Associate Professor.
06/2005—07/2007 Materials Science and Engineering, Xi’an Jiaotong University. Lecturer.
09/2000—06/2005 Materials Science and Engineering, Xi’an Jiaotong University. Ph.D.
09/1998—08/2000 Materials Science and Engineering, Northwestern Polytechnical University. Master.
09/1994—09/1998 Materials Science and Engineering, Northwestern Polytechnical University. Bachelor.

09/2000—06/2005 Materials Science and Engineering, Xi’an Jiaotong University. Ph.D.
09/1998—08/2000 Materials Science and Engineering, Northwestern Polytechnical University. Master.
09/1994—09/1998 Materials Science and Engineering, Northwestern Polytechnical University. Bachelor.

1. Cho WK, Ankrum JA, Guo DG, Microstructured Barbs on the North American Porcupine Quill Enable Easy Tissue Penetration and Difficult Removal, PNAS (IF=9.737)

2. Zhao W, Cui CH, Bose S, Guo D, A Bioinspired Multivalent DNA Network for Capture and Release of Cells. PNAS (IF=9.737)

3. Guo Dagang, Xu Kewei, Liu Yaxiong, Physicochemical properties and cytotoxicities of Sr-containing biphasic calcium phosphate bone scaffolds, J Mater SCI: Mater Med (2010 IF=2.325)

4. Guo Dagang, Wang Aohan, Han Yong, Xu Kewei, Characterization, physicochemical properties and biocompatibility, Acta Biomaterialia (2010  IF=4.822)

5. Guo Dagang, Xu Kewei, Han Yong, Zhao Xiaoyun, The influence of the Sr doses on the in vitro biocompatibility and in vivo degradability of the single-phase Sr-incorporated HAP cement.J Biomed Mater Res A（2010 IF =3.044）

6. Guo Dagang, Xu Kewei, Han Yong, Luo Feng, The in-situ synthesis of biphasic calcium phosphate scaffolds with controllable compositions, structures and adjustable properties,J Biomed Mater Res A（2010 IF =3.044）

7. Zhao Yantao, Zhang Ym, Guo Dagang, et al. Synthesis and cellular biocompatibility of two kinds of HAP with different nanocrystal morphology,J Biomed Mater Res B. (2010年IF =2.220)

8. Guo Dagang, Xu Kewei, Sun Haoliang, Han Yong, Long-term variations in mechanical properties and in vivo degradability of CPC/r-TTCP/PLGA composite,J Biomed Mater Res B.（2010 IF =2.220）

10. Guo Dagang, Xu Kewei, Zhao Xiaoyun, Han Yong.   Development of a strontium-containing hydroxyapatite bone cement, Biomaterials (2010 IF =7.882)

11. Guo Dagang, Xu Kewei, Han Yong, Influence of cooling modes on purity of solid-state synthesized tetracalcium phosphate, Materials Science & Engineering B (2009  IF=1.8)

12. Guo Dagang, Xu Kewei, Sun Haoliang, Han Yong, Physicochemical properties of TTCP/DCPA system cement formed in physiological saline solution and its cytotoxicity,J Biomed Mater Res （2010, IF =3.044）

13. Duan Xiaohong, Wu Junzheng, Guo Dagang, Xu Kewei, Study on the microcapsulated immortalized mandibular condylar chondrocyte, J Dent Res. (2010 IF =3.770)

1.郭大刚, 祁文莉, 等. 掺锶磷灰石生物活性骨水泥的制备工艺 200810236536.8
2.郭大刚, 祁文莉, 等. 可降解掺锶双相磷酸钙生物活性骨水泥的制备工艺 200810236529.8
3.郭大刚，徐可为，憨勇. 高强韧可降解磷酸锶钙复合骨水泥及其制备方法 200710017716.2
4.郭大刚，徐可为，憨勇. 高强可降解含锶磷酸钙双相陶瓷骨支架及其制备方法200710017754.8
5.郭大刚，徐可为，憨勇，罗峰. 可降解泡沫状掺锶磷酸钙陶瓷骨支架材料的制备工艺ZL2005100431592
6.郭大刚，徐可为，憨勇. 含锶纳米磷酸钙生物活性骨水泥的制备工艺 ZL200410025920.5 发明 2004.02.02