Commercial Liquid Soap

Commercial liquid soap is a formulated cleansing product that uses water-soluble surfactants to remove oils, dirt, and microorganisms from surfaces or skin. Traditional soap is produced by saponification, in which fats or oils react with an alkali such as potassium hydroxide to form potassium salts of fatty acids; in water, these molecules assemble into micelles that surround oily substances and suspend them for rinsing. Commercial formulations may also contain water, fragrances, colorants, preservatives, moisturizers, and viscosity modifiers to improve stability, texture, and user acceptance. Studying its chemistry connects molecular structure with cleaning performance, formulation design, quality control, and safe use.

Commercial Liquid Soap - Related Videos

Research

JoVE Journal - Biology

Pouring and Running a Protein Gel by reusing Commercial Cassettes

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Cited by 2 •

2012

Our protocol demonstrates how to pour multiple protein gels at a time by recycling Invitrogen Nupage Novex minigel cassettes, and inexpensive materials purchased at a home improvement store. This economical and streamlined method includes a way to store the gels at 4°C for a few weeks. By re-using the plastic gel cassettes from commercially available gels, labs that run frequent protein gels can save significant costs and help the environment.

Education

JoVE Science Education - Engineering

Efficiency of Liquid-liquid Extraction

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2023

Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Liquid-liquid extraction (LLE) is a separation technique used instead of distillation when either: (a) the relative volatilities of the compounds to be separated are very similar; (b) one or more of the mixture components are temperature sensitive even near ambient conditions; (c) the distillation would require a very low pressure or a very high distillate/feed...

Synthesis of Biocompatible Liquid Crystal Elastomer Foams as Cell Scaffolds for 3D Spatial Cell Cultures

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Cited by 9 •

2017

This study presents a methodology to prepare 3D, biodegradable, foam-like cell scaffolds based on biocompatible side-chain liquid crystal elastomers (LCEs). Confocal microscopy experiments show that foam-like LCEs allow for cell attachment, proliferation, and the spontaneous alignment of C2C12s myoblasts.

Research

JoVE Journal - Engineering
Free Sample

Preparation of Liquid Crystal Networks for Macroscopic Oscillatory Motion Induced by Light

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Cited by 11 •

2017

The goal of the protocol is to create liquid crystalline polymer films that can mechanically oscillate under continuous light irradiation. We describe in great detail the conception of free-standing films, from the liquid crystal alignment method to the photo-actuation. The experimental protocol applied to prepare this material is broadly applicable.

Research

JoVE Journal - Environment
Free Sample

Experimental Protocol for Biodiesel Production with Isolation of Alkenones as Coproducts from Commercial Isochrysis Algal Biomass

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Cited by 8 •

2016

Detailed methods are presented for the production of biodiesel along with the co-isolation of alkenones as valuable coproducts from commercial Isochrysis microalgae.

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