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Protein Gel Stains

Download the Protein Electrophoresis Handbook for Full Product List

 

We offer a selection of products for protein staining in electrophoresis gels. We have products for silver staining, Coomassie brilliant blue dyes, and reversible zinc stains.

 

Our selection of electrophoresis gel stains aid in visualizing proteins and vary in sensitivity, staining time and reversibility. LabSafe GEL Blue™ is an enhanced blue staining dye that is based on Coomassie blue dye that offers unsurpassed sensitivity and rapid band visualization and is supplied in a ready-to-use format that is added directly to protein gels following electrophoresis. FOCUSFASTsilver™ silver stain produces crystal clear backgrounds and maximal peptide recovery needed for critical analysis by mass spectrometry. It is also fully compatible with mass spectroscopy analysis. RAPIDstain™, an ultra sensitive and ready-to-use protein stain based on Coomassie staining, is also available and requires no mixing or preparation. It is suitable for native, denaturing, isoelectric focusing, and 2D gels and has a quick and easy staining protocol with protein bands developing in 5-10 minutes.

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 Cooma..
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Gene/Protein:
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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Gene/Protein:
Coomassie Brilliant Blue Dye 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: C..
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Gene/Protein:
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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Gene/Protein:
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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Gene/Protein:
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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Gene/Protein:
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 in th..
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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 in the ..
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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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The staining of gels with silver stains often results in over staining or unevenly stained gels. To save the trouble of repeating the electrophoresis, G-Biosciences offers Silver D-Stain™.   Features Silver D-Stain™ can be used for reducing the staining of silver stained ge..
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