DSM unveils VitroStealth coating technology

Published: 29-Oct-2009
Manufacturing Hi Tech Manufacturing

DSM Biomedical, a Dutch biomedical materials specialist, has developed VitroStealth, a coating technology that combines non-biofouling (NBF) properties with high durability and fast processing. VitroStealth coating is scratch resistant and reduces unwanted protein absorption and cellular adhesion on surfaces, the company says.


“We currently are investigating the scope of this technology for in vivo medical applications and see a future for this coating technology in several other markets,” said Steve Hartig, president of DSM Biomedical.

DSM Biomedical has taken advantage of advances in scratch-resistant coatings developed by its parent organisation DSM for use in displays and other non-medical applications. By extending this hard coat technology to medical applications, DSM claims to be offering the pharmaceutical and medical device industries the ability to decrease surface contamination, improve assay sensitivity and reproducibility, and ultimately the reliability of medical consumables and point of care diagnostic tools.

Applications include pre-analytical blood collection devices where VitroStealth coating eliminates surface mediated haemolysis and leads to clean, reproducible and thus reliable serum or plasma samples for the clinical laboratory. In diagnostics, VitroStealth increases signal to noise ratio as the analyte is not partially lost by adsorption to the surface of the device. Furthermore, due to its highly hydrophilic character the coating increases the capillary flow of analytes in micro-fluidic point of care devices.

VitroStealth coatings are solvent based and cured by exposure to UV light. They can be processed at high speeds and applied using a variety of liquid coating techniques, including dip coating, spin coating and spray coating. www.dsmbiomedical.com

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