Privately-held Cohesive Biotechnologies Inc. has received $1.6million from Berkshire Capital Corp. as part of a second round offinancing .Russell Constantineau, Cohesive's director of marketing, said thefunding will be used to develop the company's bioseparation productline, called Bio-Protocol. Cohesive, of Acton, Mass., was founded in1992 and Berkshire initially invested more than $2 million in thecompany.Cohesive uses a patented technology called wave chemistry, which wasfirst developed at Polaroid Corp., to speed up separation andpurification of biomolecules.Constantineau said the additional financing was based on Cohesive'ssuccess in meeting certain milestones, which include introducing theproduct on schedule early this summer. _ Charles Craig

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