Vance Street Capital, a Los Angeles-based private equity firm, completed the acquisition of Excel Scientific, a manufacturer of microplate sealing films and foils used by life science research, university, and testing laboratories as well as biotech companies, pharmaceutical companies and diagnostic providers. Financial terms were not disclosed. “Vance Street’s highly relevant investing and operating experience in the medical and life science manufacturing space along with their focus on customer satisfaction made them the ideal partner as they know how to help Excel execute on the exciting growth we see across our customer base,” Bambi Lyn Cahilly, Excel Founder.