Cpmv Purification

CPMV purification is the recovery and separation of intact cowpea mosaic virus particles from plant-derived material, an essential step for producing consistent biological nanomaterials in bioengineering. The process typically involves homogenizing infected plant tissue in a buffered solution, removing cellular debris through clarification, and concentrating virions by differential centrifugation or related methods that distinguish particles by size, density, or surface properties. Researchers then assess particle integrity, concentration, and purity before using CPMV in vaccine research, targeted delivery, imaging, or materials engineering. Reliable purification preserves the virus’s structure and improves reproducibility across downstream experiments and applications.

Cpmv Purification - Related Videos

Education

JoVE Science Education - Basic Biology

Plasmid Purification

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2023

Plasmid purification is a technique used to isolate and purify plasmid DNA from genomic DNA, proteins, ribosomes, and the bacterial cell wall. A plasmid is a small, circular, double-stranded DNA that is used as a carrier of specific DNA molecules. When introduced into a host organism via transformation, a plasmid will be replicated, creating numerous copies of the DNA fragment under study. In this video, a step-by-step generalized procedure is described for how to perform plasmid purification.

Gel Purification

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2023

Gel purification is used to recover DNA fragments after electrophoretic separation. DNA recovery from an agarose gel includes three basic steps: binding, washing and eluting from a silica column. DNA is believed to bind to silica in the presence of high salt via a salt bridge. Following binding, DNA is washed of impurities and eluted under low salt conditions disrupting this interaction. This video goes through a step-by-step, generalized procedure for cutting out a band from the gel, gel...

Research

JoVE Journal - Biology

GST-His purification: A Two-step Affinity Purification Protocol Yielding Full-length Purified Proteins

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Cited by 18 •

2013

In the present protocol, we demonstrate a highly efficient and cost-effective small-scale protein purification method, which allows purification of recombinant proteins by uniquely combining a cleavable GST-tag and a small His-tag.

Purification of Ferrocene by Sublimation

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2023

Source: Tamara M. Powers, Department of Chemistry, Texas A&M University Sublimation, the direct phase transition of a solid into a gas without first becoming a liquid, takes place at temperatures and pressures lower than that of the compound's triple point (Figure 1).The process of sublimation can be utilized to purify both organic and inorganic solids. During the purification technique, a solid is heated directly into the gas-phase. All non-volatile impurities are left behind while the...

Purification of Hsp104, a Protein Disaggregase

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Cited by 24 •

2011

Here, we describe a protocol for the purification of highly active Hsp104, a hexameric AAA+ protein from yeast, which couples ATP hydrolysis to protein disaggregation. This scheme exploits a His6-tagged construct for affinity purification from E. coli followed by anion-exchange chromatography, His6-tag removal with TEV protease, and size-exclusion chromatography.

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