Alkaline Detergent
Alkaline Detergent - Related Videos
10:38
In Vivo Alkaline Comet Assay and Enzyme-modified Alkaline Comet Assay for Measuring DNA Strand Breaks and Oxidative DNA Damage in Rat Liver
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Cited by 17 •
2016
The alkaline comet assay measures DNA strand breaks in eukaryotic cells. By adding an Endonuclease III or human 8-oxoguanine-DNA-N-glycosylase digestion step, the assay can efficiently detect oxidative DNA damage. We describe methods for using these assays to detect DNA damage in rat liver.
04:16
Enrichment of Bacterial Lipoproteins Using Non-Ionic Detergent Phase Separation
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2025
Source: Armbruster, K. M., Meredith, T. C. Enrichment of Bacterial Lipoproteins and Preparation of N-terminal Lipopeptides for Structural Determination by Mass Spectrometry. J. Vis. Exp. (2018)This video demonstrates the enrichment of bacterial lipoproteins using a non-ionic detergent that undergoes phase separation upon warming. Through sequential temperature shifts and centrifugation steps, lipoproteins are selectively partitioned into the detergent phase, while non-lipoprotein contaminants...
05:06
Alkaline Single Cell Gel Electrophoresis: A Sensitive Technique for Quantitative Estimation of DNA Damage in Individual Cancer Cells Following Chemotherapy
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2025
In this video, we demonstrate an alkaline single-cell electrophoresis assay to quantify both single- and double-strand DNA breaks in doxorubicin-treated cells. Alkaline conditions disrupt the hydrogen bonds between DNA base pairs, resulting in the complete unwinding and separation of DNA strands. This allows differential migration of undamaged and damaged DNA fragments in agarose gel upon electrophoresis, revealing a comet-shaped structure of slowly migrating undamaged DNA forming the circular...
01:18
Detergent Purification of Membrane Proteins
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2023
Detergents are used to purify the integral proteins of the membrane. The hydrophobic portion of the detergent can replace membrane phospholipids while solubilizing the membrane proteins. When detergent monomers reach a specific concentration in a solution called critical micelle concentration (CMC), they form micelles. Above CMC, the concentration of the detergent monomers remains in equilibrium with the micelle. The number of detergent monomers present in the CMC varies for each detergent, and...
03:11
Quantification of Bioactive Type-I Interferons using a Secreted Embryonic Alkaline Phosphatase Reporter Assay
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2025
This video demonstrates secreted embryonic alkaline phosphatase assay using HEK-Blue interferon-α/β reporter cells to quantify the type-I interferons (IFNs) released following stimulation of plasmacytoid dendritic cells by HIV-1 Infected CD4+ T cells.
FAQs
Alkalinity supports chemical breakdown and loosening of fatty and protein-based residues through hydrolysis. This weakens the attachment of organic soil to a surface, allowing the released material to be handled by the detergent system and water. The mechanism is especially relevant when cleaning laboratory or processing surfaces contaminated with these residue types.
Surfactants improve contact between the cleaning solution, water, and contaminated surfaces by lowering surface tension. They also emulsify oily material and suspend loosened particles, helping prevent contaminants from remaining attached or settling immediately back onto the surface. Their action complements alkalinity rather than replacing the chemical breakdown of organic residues.
Builders can bind metal ions present in hard water, which helps preserve cleaning performance under those conditions. By managing ions that could interfere with the formulation, builders support more consistent removal of oils, proteins, and particulate soil. Their importance is therefore greatest when water hardness may reduce the effectiveness of the cleaning system.
The same basic conditions that assist in loosening organic contamination may also create problems for alkali-sensitive materials. Consequently, cleaning effectiveness cannot be judged only by how strongly a formulation removes soil. In chemistry and laboratory practice, users must consider whether glassware, instruments, equipment, or processing surfaces can tolerate the detergent without corrosion or damage.
Selection should account for both the residue and the surface being cleaned. Organic soils such as fats and proteins may benefit from the formulation’s alkaline hydrolysis, while oils and particles require effective surfactant action. At the same time, the material must not be unnecessarily exposed to conditions that could corrode or damage alkali-sensitive equipment.
Applications include cleaning glassware, laboratory instruments, industrial equipment, and processing surfaces. These settings often involve mixtures of organic residues, oils, and particulate soil, making the combined effects of alkalinity, surfactants, and, where needed, builders useful. The relevant outcome is a cleaner surface achieved while maintaining compatibility with the item being cleaned.