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Product News

Merck’s Guava® Flow Cytometers

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Product News

Merck’s Guava® Flow Cytometers

Merck has expanded its popular line of Guava® flow cytometers to include a high-power modulated green laser. The addition of a 532 nanometer laser expands the detection capabilities of the Guava® easyCyte instrument line to enable simultaneous detection of multiple fluorescent proteins. It also offers researchers more spectral choice using fluorescent reagents. More powerful violet, blue and red lasers are now standard in most configurations, meaning the Guava® cytometers are sensitive enough to detect sub cellular particles as small as viruses.

Since the discovery and isolation of the genes encoding proteins responsible for biological fluorescence, fluorescent proteins (FPs) have changed life science research. Both mutation of the original green FP and discovery of naturally occurring proteins emitting elsewhere in the spectrum have resulted in FPs of many colors. Merck's new easyCyte green laser variants meet the need for instrumentation that allows users to analyze heterogeneous biological tissues and systems in a single experiment.

Merck's Guava® pioneered microfluidics in flow cytometry 15 years ago when the company introduced the first benchtop flow cytometers. This new enhanced optical capability and flexibility has been achieved by Guava® engineers with no increase in instrument size and without sacrificing affordability. Better optical configurations that allow for more meaningful analysis permit a small benchtop footprint. This gives users reduced buffer and sample volumes and dramatically reduces waste when compared with sheath-based flow cytometers.

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