Category: Lab Notes

Cryobiology

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Cryobiology is the study of how cells and biological systems respond to low temperatures, including ice formation, solute exclusion, and cryoprotectant action. This article explains its principles, mechanisms, and applications.

Collagenase from Clostridium histolyticum

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Collagenase from Clostridium histolyticum is a powerful ECM‑degrading enzyme used for tissue dissociation, primary‑cell isolation, organoid preparation, and regenerative‑medicine workflows. This article explains its mechanism, applications, and major reagent types.

Histopaque-1077

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Histopaque®-1077 is a density‑gradient medium used for isolating mononuclear cells from blood and bone marrow. This article explains its mechanism, applications, and major suppliers.

Insulin from Bovine Pancreas

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Insulin from bovine pancreas is a high‑purity metabolic regulator used in cell culture, endocrine research, and serum‑free media. This article explains its biochemical role, mechanism, and major suppliers.

Trypan Blue Exclusion Assay

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The Trypan Blue Exclusion Assay is a simple and reliable method for assessing cell viability based on membrane integrity. This article explains its principle, applications, major brands, and special features.

Hyaluronidase

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Hyaluronidase is an extracellular‑matrix‑degrading enzyme used for tissue dissociation, cell isolation, drug delivery, and clinical applications. This article explains its biochemical role, mechanism, major variants, and specialised uses.

Accutase Cell Detachment Solution

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Accutase® is a gentle enzymatic cell‑dissociation reagent ideal for sensitive cell types and workflows requiring preserved surface markers. This article explains its principle, composition, applications, major brands, and specialised features.

Cell Dissociation Reagent

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Cell dissociation reagents detach adherent cells and generate single‑cell suspensions for culture, analysis, and downstream applications. This article explains their principles, types, major brands, and specialised features.

Pipette Controller

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Pipette controllers provide smooth, ergonomic, and precise liquid handling with serological pipettes. This article explains their design, principle, applications, major brands, and specialised features.

Pipette Tip

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Pipette tips are disposable polypropylene attachments used with micropipettes for precise microlitre‑scale liquid handling. This article explains their design, uses, major brands, and specialised features.

Inverted Phase‑Contrast Microscope

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An inverted phase‑contrast microscope provides high‑contrast imaging of live, unstained cells in culture vessels. This article explains its design, principle, applications, major brands, and specialised features.

Trypan Blue

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Trypan Blue is a vital stain used to distinguish live and dead cells based on membrane integrity. This article explains its properties, principle, applications, major brands, and specialised features.

Isopropanol Freezing Container

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Isopropanol freezing containers provide reproducible cooling rates for cryopreservation using standard −80 °C freezers. This article explains their principles, applications, major brands, and specialised features.

Automated Cell Counter

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Automated cell counters provide rapid, accurate, and reproducible cell counts using digital imaging or impedance‑based detection. This article explains their principles, applications, major brands, and specialised features.