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Accurately quantifying total protein concentration is a key to most experiments and is often necessary for isolation, separation, and analysis of proteins by biochemical methods. When it is necessary to determine the total protein concentration in a sample, one of the first factors to consider is the selection of a protein assay method. These choices are typically based upon the compatibility of the method with the samples to be assayed. Each method has its own advantages and disadvantages.

Accurately quantifying total protein concentration is a key to most experiments and is often necessary for isolation, separation, and analysis of proteins by biochemical methods. When it is necessary to determine the total protein concentration in a sample, one of the first factors to consider is the selection of a protein assay method. These choices are typically based upon the compatibility of the method with the samples to be assayed. Each method has its own advantages and disadvantages.


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Product Image-PI23200

Pierce™ Coomassie (Bradford) Protein Assay Kits, Thermo Scientific

Description: The Pierce™ Coomassie (Bradford) Protein Assay Kit is a ready-to-use, stable formulation of the traditional Bradford assay reagent to measure (A595 nm) total protein concentration compared to a protein standard.
Catalog Number: PI23200
Supplier: Invitrogen

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Image Unavailable-103889-730

SARS-CoV-2 Nucleocapsid Protein Titer Assay Kit, Acro Biosystems

Description: This kit is developed for detecting the SARS-CoV-2 Nucleocapsid Protein in cell supernatant or SARS-CoV-2 virus <i>in vitro</i>.
Catalog Number: 103889-730
Supplier: ACROBIOSYSTEMS
Image Unavailable-PI23290

Pierce™ Quantitative Fluorometric Peptide Assay, Thermo Scientific

Description: The Thermo Scientific™ Pierce™ Quantitative Fluorescent Peptide Assay is a sensitive, mix-and-read fluorescent microplate assay for the quantitative measurement of peptides and peptide mixtures.Sensitive—accurately detect as little as 5.0 µg/mL of single peptides or peptide mixturesRobust— assay performance rigorously tested using both peptides and peptide digest mixturesRobust peptide digest standard—kit includes a validated peptide digest standard for improved reproducibility of quantitationCompatible—works with many reagents, including those used in mass spectrometry sample preparationConvenient—easy mix-and-read format and stable fluorescent signal that may be read in as little as 5 minutes up to several hoursThe Pierce Quantitative Fluorescent Peptide Assay reagents include peptide assay buffer, fluorescent peptide labeling reagent, and a peptide digest assay standard for the quantitative measurement of peptide concentrations
Catalog Number: PI23290
Supplier: Invitrogen

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Image Unavailable-MSPP-BS01

GTP Gamma S, Cytoskeleton MS

Description: GTP Gamma S is a non-hydrolyzable GTP analog.
Catalog Number: MSPP-BS01
Supplier: CYTOSKELETON MS
Product Image-PI23236

Pierce™ Coomassie Plus™ (Bradford) Protein Assay Kit, Thermo Scientific

Description: The Pierce™ Coomassie Plus™ Protein Assay is a quick and ready-to-use, reducing agent-compatible, improved Bradford assay to quickly measure (A595 nm) total protein concentration compared to a protein standard.
Catalog Number: PI23236
Supplier: Invitrogen

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Product Image-102985-702

NTA Reagent Kit, Cytiva

Description: Reagents for sensor chip NTA, used for His capture in His-tagged molecules in biomolecular interaction analysis.
Catalog Number: 102985-702
Supplier: GE Healthcare - Life Sciences

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Image Unavailable-101646-080

Quick Start™ Bradford Protein Assay and Protein Standards, Bio-Rad

Description: The Quick Start™ Bradford Protein Assay is a simple, accurate assay for determining the concentration of protein in solution, with a linear range of 1.25–25 µg/mL.
Catalog Number: 101646-080
Supplier: Bio-Rad

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Image Unavailable-MSPP-DM001

Anti-Rabbit Detection Module, Protein Simple

Description: Use with a Jess/Wes or Sally Sue/Peggy Sue Separation Module.
Catalog Number: MSPP-DM001
Supplier: PROTEIN SIMPLE MS
Image Unavailable-102963-544

MELISA-TEK™ Meat Species Kits, Elisa Technologies Inc

Description: The MELISA-TEK™ Meat Species Kit detects animal species proteins in meat and bone meals and animal feeds.
Catalog Number: 102963-544
Supplier: ELISA TECHNOLOGIES MS
Image Unavailable-MSPP-185012

Octet® Protein A (ProA) Biosensor, Sartorius

Description: For determination of antibody concentration.
Catalog Number: MSPP-185012
Supplier: SARTORIUS CORPORATION MS
Product Image-PI23240

Pierce™ Modified Lowry Protein Assay Kit, Thermo Scientific

Description: The Modified Lowry Protein Assay Kit is the preferred colorimetric assay for quantifying total protein concentration.
Catalog Number: PI23240
Supplier: Invitrogen

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Product Image-PI23270

Pierce™ Phosphoprotein Phosphate Estimation Kit, Thermo Scientific

Description: Pierce™ Phosphoprotein Phosphate Estimation Assay Kit enables classification and identification of proteins as phosphorylated (serine and threonine), as well as semi-quantitative assessment of the phosphorylation level.
Catalog Number: PI23270
Supplier: Invitrogen

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Product Image-102965-098

Ras Activation Assays, Cell Biolabs

Description: Cell Biolabs' Ras Activation Assays use visible agarose beads to selectively precipitate the active form of specific Ras protein of interest
Catalog Number: 102965-098
Supplier: Cell Biolabs
Image Unavailable-PI28005

Pierce EZ™ Biotin Quantitation Kit, Thermo Scientific

Description: Pierce™ Biotin Quantitation Kit includes aliquots of HABA reagent and biotinylated protein standard for convenient colorimetric determination of biotinylation levels in labeled antibodies and other proteins.
Catalog Number: PI28005
Supplier: Invitrogen

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Product Image-PI29139

Pierce™ Protein Conjugate, Horseradish Peroxidase, Biotinylated, Thermo Scientific

Description: Biotinylated horse radish peroxidase is used as control or signal amplification in IHC to amplify the signal of biotinylated primary antibodies using the avidin-biotin complex staining method.
Catalog Number: PI29139
Supplier: Invitrogen

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Image Unavailable-103888-866

SARS-CoV-2 Spike RBD Titer Assay Kit, Acro Biosystems

Description: This kit is developed for detecting SARS-CoV-2 Spike RBD in the sample.
Catalog Number: 103888-866
Supplier: ACROBIOSYSTEMS
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