@article {1340654, title = {Optically Controlled Collisions of Biological Objects to Evaluate Potent Polyvalent Inhibitors of Virus-Cell Adhesion}, journal = {Chemistry and Biology}, volume = {3}, year = {1996}, note = {497}, pages = {757-763}, author = {Mammen, M. and Helmerson, K. and Kishore, R. and Choi, S.-K. and Phillips, W. D. and Whitesides, G. M.} }