Water-cooling Assembly

A water-cooling assembly is a laboratory system that circulates water to remove heat from equipment, samples, or reaction environments, helping maintain stable temperatures during biological experiments. A pump moves water through tubing, jackets, coils, or cooling blocks, where heat transfers from the warmer component into the flowing water before the coolant is recirculated or cooled in a reservoir. By limiting temperature fluctuations and overheating, water-cooling assemblies support reliable operation of instruments and protect temperature-sensitive biological materials. They are useful in cell and molecular biology workflows, imaging systems, incubations, and other experiments in which thermal control can affect sample integrity or measurement accuracy.

Water-cooling Assembly - Related Videos

Research

JoVE Journal - Chemistry

Water in Oil Emulsions: A New System for Assembling Water-soluble Chlorophyll-binding Proteins with Hydrophobic Pigments

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Cited by 2 •

2016

This manuscript describes a simple and high-throughput method for assembling water-soluble proteins with hydrophobic pigments that is based on water-in-oil emulsions. We demonstrate the effectiveness of the method in the assembly of native chlorophylls with four variants of recombinant water-soluble-chlorophyll binding proteins (WSCPs) of Brassica plants expressed in E. coli.

Research

JoVE Journal - Biology
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Assembly and Operation of a Cooling Stage to Immobilize C. elegans on Their Culture Plates

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2023

This paper describes protocols for constructing and operating a cooling stage to immobilize C. elegans on their original cultivation plates en masse.

Education

JoVE Core - Chemistry

Heating and Cooling Curves

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2020

When a substance—isolated from its environment—is subjected to heat changes, corresponding changes in temperature and phase of the substance is observed; this is graphically represented by heating and cooling curves. For instance, the addition of heat raises the temperature of a solid; the amount of heat absorbed depends on the heat capacity of the solid (q = mcsolidΔT). According to thermochemistry, the relation between the amount of heat absorbed or released by a substance, q, and its...

Research

JoVE Journal - Biology
Free Sample

Assembly, Loading, and Alignment of an Analytical Ultracentrifuge Sample Cell

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Cited by 21 •

2009

The analytical ultracentrifuge (AUC) sample cell holds sample and reference buffer and during experiments and is exposed to high vacuum and rotor speeds up to 60,000 rpm. This video will demonstrate the rigorous attention to detail necessary for assembly, loading and alignment of this very important component of an AUC experiment.

Self-Assembly of Hybrid Lipid Membranes Doped with Hydrophobic Organic Molecules at the Water/Air Interface

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Cited by 2 •

2020

We report a protocol for producing a hybrid lipid membrane at the water/air interface by doping the lipid bilayer with copper (II) 2,9,16,23-tetra-tert-butyl-29H,31H-phthalocyanine (CuPc) molecules. The resulting hybrid lipid membrane has a lipid/CuPc/lipid sandwich structure. This protocol can also be applied to the formation of other functional nanomaterials.

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