Rotary Homogenizer
Rotary Homogenizer - Related Videos
06:43
Rotary Evaporation to Remove Solvent
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2023
Source: Dr. Melanie Pribisko Yen and Grace Tang — California Institute of Technology Rotary evaporation is a technique most commonly used in organic chemistry to remove a solvent from a higher-boiling point compound of interest. The rotary evaporator, or "rotovap", was invented in 1950 by the chemist Lyman C. Craig. The primary use of a rotovap is to dry and purify samples for downstream applications. Its speed and ability to handle large volumes of solvent make rotary evaporation a preferred...
01:23
Test for Homogeneity
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2023
The goodness–of–fit test can be used to decide whether a population fits a given distribution, but it will not suffice to decide whether two populations follow the same unknown distribution. A different test, called the test for homogeneity, can be used to conclude whether two populations have the same distribution. To calculate the test statistic for a test for homogeneity, follow the same procedure as with the test of independence. The hypotheses for the test for homogeneity can be stated as...
02:36
Isolation of Mosquito-Associated Virus from Mosquito Homogenate
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2026
Source: Huang, D., et al. Mosquito-Associated Virus Isolation from Field-Collected Mosquitoes. J. Vis. Exp. (2022).This video demonstrates the step-by-step procedure for the in vitro isolation of mosquito-associated viruses from mosquito homogenates using fibroblast-like mammalian cells.
02:15
Homogeneous Equilibria for Gaseous Reactions
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2020
Homogeneous Equilibria for Gaseous Reactions For gas-phase reactions, the equilibrium constant may be expressed in terms of either the molar concentrations (Kc) or partial pressures (Kp) of the reactants and products. A relation between these two K values may be simply derived from the ideal gas equation and the definition of molarity. According to the ideal gas equation: Molar concentration or molarity is given by number of moles divided by the volume: Thus, where P is partial pressure, V...
08:01
Preparation of Homogeneous MALDI Samples for Quantitative Applications
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Cited by 8 •
2016
A protocol for reducing spatial heterogeneities of ion signals in MALDI mass spectrometry by regulating substrate temperature during sample drying processes is demonstrated.
FAQs
The rotating rotor or blade creates intense shear within the surrounding vessel. This mechanical force breaks biological tissue, cells, or other particles into smaller components while mixing the sample. The resulting reduction in particle size helps produce a more uniform suspension or extract, which is important when subsequent analyses require comparable material throughout the prepared sample.
Speed, duration, and sample volume are the main processing conditions identified for controlling homogenization quality. Together, they determine how thoroughly the biological material experiences rotor-generated shear. Researchers adjust these conditions to obtain consistent disruption while helping preserve the components needed for downstream biochemical, microscopic, or molecular analysis.
A uniform suspension or extract distributes disrupted material more consistently across the sample. This improves reproducibility because separate portions are more likely to contain comparable biological components. Consistent preparation is especially valuable before biochemical assays, cellular-content isolation, microscopy, or molecular analysis, where variation in the starting material can affect interpretation of results.
Researchers place the biological material in a surrounding vessel, apply rotor-driven mixing under selected speed and duration conditions, and account for the sample volume during processing. The treated material becomes a suspension or extract containing smaller components. This prepared sample can then support biochemical assays, microscopy, molecular analysis, or isolation of cellular contents.
It is useful when tissue must be mechanically disrupted before biochemical testing. Rotor-generated shear breaks the tissue into smaller components and produces a more consistent extract for analysis. By improving sample uniformity, the instrument supports preparation of comparable assay inputs and can help researchers examine biochemical properties of biological material more reproducibly.
For microscopy, consistent sample preparation can help provide more uniform material for examination. For molecular analysis, disruption and mixing help create an extract or suspension containing accessible cellular contents. Rotary homogenization therefore serves as an upstream preparation step, converting biological material into a form suitable for these analyses while retaining components required by the experiment.