Low Volume Degassing Modules for Microfluidic Systems

Life Science Applications Low Volume Degassing Modules for Microfluidic Systems

2025-10-09 Source: Press release Biotech Fluidics 1 min Reading Time

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Biotech Fluidics has developed low volume online degassing modules for micro- and nanofluidic systems used for life science applications including dispensing, diagnostics, drug screening, nucleic acid sequencing and tissue culture.

The Degasi Plus Micro from Biotech Fluidics is a low volume (100 µl per channel) degasser specifically designed for SPR and other micro- and nanofluidic system applications. (Source: Biotech Fluidics) — The Degasi Plus Micro from Biotech Fluidics is a low volume (100 µl per channel) degasser specifically designed for SPR and other micro- and nanofluidic system applications.
(Source: Biotech Fluidics)

In most micro- and nanofluidic systems, the formation and accumulation of air or gas bubbles can be severely detrimental to their operation. Once a bubble is generated, it is also extremely difficult to remove. The presence of bubbles can cause aggregation problems with particles or proteins, can damage chemical functionalization of surfaces, and in cell culture, bubbles can lead to cellular death.

Biotech Fluidics mentions that it has observed how a single gas bubble in micro and nano liquid dispensers can impair their dispensing precision and accuracy. Removing dissolved gases from liquids prior to dispensing eliminates the risk of having bubbles in the fluidic channels.

The firm adds that another microscale application where liquid degassing is crucial is Surface Plasmon Resonance (SPR) analysis. The sensing mechanism in SPR is heavily based on interactions between analyte and a functionalized surface. A bubble will create an obstruction on the surface, resulting in an irregular and non-specific signal and creating an abnormality in the resulting sensogram. Installing a low volume Degasi online degassing module prior to liquid introduction to the SPR system completely negates this gas bubble problem, shares the company.

The Degasi Plus Micro from Biotech Fluidics is a low volume (100 µl per channel) degasser specifically designed for SPR and other micro- and nanofluidic system applications. The system removes dissolved gases from the mobile liquid phase thereby eliminating bubbles before they occur and removes oxygen which can interfere with UV detection methods. The system is available in 1-6 channel versions, concludes the firm.

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