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Freeze Tissue Samples Quickly and Reliably with New Easy-to-Use Histology Products from PolyScience

2 Oct 2013
Sarah Thomas
Associate Editor

Product news

Two easy-to-use devices designed for the fast freezing of tissue samples and specimens are now available from PolyScience. Ideal for enzyme studies, the Histology Bath features a -60°C (-76°F) working temperature that freezes tissue samples quickly, preventing microscopic ice crystals from developing and samples from distorting. With its flat, -34°C (-30°F) surface, the Histology Freeze Plate enables histotechnicians to observe tissue freezing directly and keep specimen edges flat when preparing samples for examination.

The PolyScience Histology Bath has a 1.0 liter stainless steel reservoir and includes an immersion basket and chuck for the easy submersion and retrieval of samples. The bath work area measures 10.2 cm in diameter by 10.2 cm deep (4 x 4 inches). The unit is available for either 120V, 60Hz or 240V, 50Hz operation.

The Histology Freeze Plate features a 877 cm2 (136 in2) working surface that accommodates multiple samples simultaneously and has been shown to reduce overall sample processing time by 40% or more. It is also available for either 120V, 60Hz or 240V, 50Hz operation.

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Sample PreparationSample preparation can improve the quality and speed of separation techniques. Products to assist sample preparation include filtration equipment, evaporators, membranes and sieves.ProteomicsProteomics is the systemic bioinformatics study of proteins and amino acids, including their structure, size, function and identification. Tools used in proteomics include chromatography, blotting and gels, protein arrays, mass spectrometry and ELISA and associated analysis software. Analyzers and proteomic systems should be sensitive, high resolution, fast and may be automated for high-throughput.Cellular PathologyCellular Pathology deals with the microscopic analysis of tissue samples and cells. Sample preparation and processing includes fixation, staining, sectioning and slide mounting, using equipment such microtomes and cryostats. In choosing immunohistochemistry and immunocytochemistry kits, consider chromogens, staining method, antibodies, microscopes and imaging.Evaporators and Freeze DryersCentrifugal evaporation is used for solvent removal from a sample. This is a useful technique for sample concentration or sample drying. Many centrifugal evaporators are modular with a central vacuum pump for generating low pressure. Useful features of evaporators or vacuum ovens include minimal solvent bumping, solvent resistance, computer control, temperature regulation and benchtop design.Histology ProcessingTissue ProcessingTissue processing involves preparing biological tissue samples for microscopic analysis, including fixation, embedding, and sectioning. This process is essential for histopathology and diagnostic applications. Explore tissue processing products in our peer-reviewed product directory; compare products, check reviews, and get pricing directly from manufacturers.

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