Category: Lab Notes

Preparation of 1M Potassium Chloride (KCl) Stock Solution

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Overview: Potassium Chloride (KCl) dissolves readily in water. A 1 M stock solution can be prepared by dissolving 74.55 g…

Preparation of 1M Magnesium Sulfate (MgSO4) Stock Solution

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Overview Magnesium sulfate (MgSO4) is soluble in water. Magnesium sulfate is available in anhydrous as well as hydrated forms. Since…

Preparation of Terrific Broth (TB)

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Overview: The Terrific Broth was formulated by Tartoff and Hobbs (Tartoff & Hobbs, 1987). It is a rich medium, which…

Preparation of 5x M9 Minimal Salts

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M9 Minimal Salts serve as a base salt solution to prepare M9 Minimal Medium. M9 Minimal salts solution is quite…

Preparation of 20% Glucose Stock Solution

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Overview: Glucose is a carbohydrate and is utilized by cells as instant energy and carbon source. In addition, it is…

Preparation of H Medium

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Overview H Medium is a moderately rich medium. It contains tryptone and sodium chloride (NaCl). Tryptone provides basic nutrients and…

Preparation of 1 M Glucose Stock Solution

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Overview: Glucose is a carbohydrate and is utilized by cells as instant energy and carbon source. In addition, it is…

Immunodeficient NSG (NOD Scid Gamma) Mouse Model

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Immunodeficient mice are the most utilized model organisms for the study of several human diseases, especially cancers. The NSG mouse…

Preparing Working Solution from Stock Solution by Dilution

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If you have a concentrated stock solution of known concentration, you can prepare a working solution of specific concentration and…

Glioma Stem Cell (GSC)

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Glioma stem cells are a specific type of glioma cell population in glioma tumors that have neural stem cell-like features….

Identifying Human Xenograft in Animal Models Using Immunostaining

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There are several antibodies available that specifically recognize human cells and have no cross-reactivity with well-known animal models like mice…

Preparation of 10X Tris-EDTA (TE) Solution

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Overview Tris-EDTA (pH 8.0) solution is used for dissolving and storing DNA. Storing DNA in a slightly alkaline condition reduces…

Preparation of Coomassie Brilliant Blue R-250 Solution for Detection of Protein in Acrylamide Gel

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Overview: Coomassie Brilliant Blue is a protein stain, which is frequently used to visualize protein on acrylamide gels.  Chemically it…

Phosphate Buffered Saline (PBS)

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Phosphate buffered saline (PBS) is a buffer solution commonly used in biological research. PBS is isotonic and non-toxic to cells….