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Protein Gel Stains

Download the Protein Electrophoresis Handbook for Full Product List

 

A selection of products for staining proteins in electrophoresis gels.

A major tool in the analysis of a species' proteome is the ability to separate and visualize the proteins by electrophoresis, 1D or 2D, and then the subsequent visualization of the proteins. G-Biosciences has developed a wide selection of electrophoresis gel stains for visualizing proteins that vary in sensitivity, staining time and reversibility.

A guide to aid in selecting the best stain for your research, "How To Select A Protein Gel Stain" is available in the technical literature.

Blue-OUT™ is a unique product that washes the interfering Coomassie and fluorescent protein stains from gel pieces prior to their treatment for protein sequencing or mass spectrometry.   Also supplied in the InGel™ Blue kit for the tryptic digestion and peptide extraction of C..
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G-Biosciences Colloidal Blue Stain is a mass spectrometry compatible stain that offers nanogram sensitive detection of proteins. The stain offers ten times more sensitivity compared to classical Coomassie R- or G-250 detection. The Colloidal Blue Stain is able to detect <10ng BSA. In addition, &n..
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Coomassie Brilliant Blue R-250/ G-250 are both offered as dry powder form and convenient ready-to-use solutions. Destaining solutions are also offered.   Coomassie Brilliant Blue G-250 Dye Proteomics Grade Cas #: 6104-58-1 Molecular weight: 854.04 Molecular Formula: C47H48N3O7..
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FASTSilver™ is one of the most rapid and sensitive methods for detecting proteins and nucleic acids fractionated by PAGE. Staining is 100 times more sensitive than Coomassie Blue protein staining and 10 times more sensitive than ethidium bromide for DNA and RNA. FASTsilver™ is a nanog..
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FOCUS™ FASTsilver™ produces crystal clear backgrounds and maximal peptide recovery needed for critical analysis by mass spectrometry.   For mass spectrometry analysis, complete proteolytic digestion and recovery of peptides is required for optimal analysis, however silver ions..
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For the highly sensitive detection of glycoproteins following gel electrophoresis (Figure 1) or protein transfer to nitrocellulose membranes (Figure 2).   The kit uses an enhanced Periodic Acid-Schiff (PAS) method for detection of glycoprotein sugars.  The supplied oxidizing agent fi..
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LabSafe GEL Blue™ is an enhanced protein stain based on Coomassie dye that offers unsurpassed sensitivity and rapid band visualization. LabSafe GEL Blue™ is supplied in a ready-to-use format that is added directly to protein gels following electrophoresis after a brief wash step. &nbs..
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An ultra sensitive and ready-to-use protein stain based on Coomassie dye. No mixing or preparation is involved. No fixation step is needed. Simply rinse gel, add RAPIDstain™ and protein bands develop within 5 to10 minutes, reaching a maximum visibility in an hour. Mini-gels can be stained in 1..
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The Reversible Copper Stain™ is a single step stain for rapid detection of proteins resolved on SDS-PAGE. No destaining is necessary.   The stain is based on the interaction of copper ions with polyacrylamide and proteins. The stain works by depositing a copper metal precipitate..
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The Reversible Zinc Stain™ is a single step stain for the rapid detection of proteins resolved by SDS-PAGE. No destaining is necessary.   The stain is based on the interaction of Zinc ions with polyacrylamide and proteins. The stain works by depositing a zinc metal precipitate i..
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RUBEO™ is a fluorescent protein stain that is ideal for staining proteins in 1D and 2D electrophoresis gels. The fluorescent stain has a red emission at 605nm. The fluorescent stain has nanogram sensitivity and is compatible with mass spectroscopy, microsequencing and immunostaining. The ..
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The fixing of proteins in polyacrylamide gels prevents the diffusion of the proteins, thus keeping protein bands sharp and correctly resolved, and washes away running buffer components that may interfere with other downstream applications, such as staining.  A major interfering agent is the SDS..
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