Thompson Street Capital Partner’s Vector Laboratories Acquires Quanta BioDesign

Acquisition expands customers’ ability to accelerate their advanced boconjugate and payload delivery design innovation

Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, announced the acquisition of Quanta BioDesign, the inventor of discrete polyethylene glycol (dPEG) technology for advanced bioconjugate and payload delivery design for life science and biopharma applications, by Vector Laboratories, a portfolio company of TSCP and the pioneer of innovative proteomic and glycomic research solutions. This acquisition further expands Vector Laboratories’ portfolio of bioconjugation linkers and dyes and builds on its manufacturing and bioconjugation capabilities to better serve partners across biopharma and the life sciences. Terms of the transaction were not disclosed.

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“This acquisition supports Vector Laboratories’ long-term strategic vision of accelerating the pace of scientific discovery for life science companies and transformational treatments and approaches for biopharma companies”

“This acquisition supports Vector Laboratories’ long-term strategic vision of accelerating the pace of scientific discovery for life science companies and transformational treatments and approaches for biopharma companies,” said Lisa V. Sellers, PhD, CEO of Vector Laboratories. “It also builds on our recent acquisition of Click Chemistry Tools and Fluoroprobes and goes beyond standard linker capabilities to serve broader industrial segments, expanding what’s possible for customers in manufacturing components for their end products. It truly demonstrates a new level of flexibility in what they can accomplish with our offerings.”

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Quanta BioDesign develops patented and innovative cross-linking and labeling chemistries that incorporate and are uniquely enabled by their dPEG^® technology, allowing for new approaches in the areas of therapeutic and diagnostic development. The Plain City, OH-based company was founded for the purpose of developing and commercializing an extensive line of dPEG^® based products for companies involved in drug discovery and diagnostic development programs.

J.C. Wetzel, TSCP Managing Director, said, “We’re excited about the opportunity to continue executing against Vector Laboratories’ long-term growth strategy by bringing cutting-edge technology to an expanding customer base, increasing its range of products and services, and ultimately impacting the important work of biopharmaceutical companies developing the next generation of treatment options.”

Vector Laboratories acquired Click Chemistry Tools, a manufacturer of click chemistry linkers and labeling reagents, and Fluoroprobes, a leader in fluorescent probes and dyes earlier this year. Vector was the first company to commercialize avidin-biotin enzyme complex kits for immunohistochemistry and antifade mounting media for immunofluorescence. Since then, it has introduced more than 600 reliable reagents and kits through four decades of leadership in labeling and detection technologies.

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