1 Considerations and methods are very meaningful to promote bioanalysis of the endogenous compounds and the evaluation of bioequivalence of endogenous drugs.

2 Microdialysis sampling technique and its application in bioanalysis is reviewed with 51 references.

3 Role and Practice of Bioanalysis in Drug Discovery and Development, Mingshe Zhu, Ph. D. , Bristol-Myers Squibb, NJ, USA.

4 The report deals with the unique properties of nanoparticles in bioanalysis.

5 The emergence of aptamers opens a new way for bioanalysis and sensor designing.