Protein Assays
Protein Assays
Thermo Scientific™ Pierce™ BCA Protein Assay Kits
The Pierce BCA Protein Assay Kit is a high-precision, detergent-compatible protein assay for determination of protein concentration. Pierce BCA reagents provide accurate determination of protein concentration with most sample types encountered in protein research.
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Thermo Scientific™ Ionic Detergent Compatibility Reagent for Pierce™ 660nm Protein Assay Reagent
Red-to-green (A660nm), ready-to-use, detergent- and reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.
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Thermo Scientific™ Micro BCA™ Protein Assay Kit
Special 3-component version of our popular BCA Reagents to measure total protein concentration of dilute protein solutions (0.5 to 20 micrograms/mL).
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Thermo Scientific™ Pierce™ Bradford Protein Assay Kit
Brown-to-purple (A595nm), ready-to-use, classic reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.
Invitrogen™ Qubit™ Protein and Protein Broad Range (BR) Assay Kits
Achieve sensitive detection of protein, and low protein-to-protein variation, with the Qubit Protein and Protein BR Assay Kits for fluorescence-based protein quantitation assays.
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Thermo Scientific™ Pierce™ Bradford Plus Protein Assay Reagent
Brown-to-purple (A595nm), ready-to-use, fast reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.
Thermo Scientific™ Pierce™ BCA Protein Assay Reagent A
Estimate visually, or measure with a standard spectrophotometer or plate reader at 562 nm.
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Thermo Scientific™ Pierce™ 660nm Protein Assay Reagent
Red-to-green (A660nm), ready-to-use, detergent- and reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.
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Thermo Scientific™ Pierce™ Bradford Plus Protein Assay Kits
The Pierce Bradford Plus Protein Assay Kit is a ready-to-use, reducing agent-compatible, improved Bradford assay reagent used to quickly measure total protein concentration compared to a protein standard.
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Thermo Scientific™ Pierce™ BCA Protein Assay Reagent B
Green-to-blue (A562nm), two-component, precise, detergent-compatible assay reagent to measure total protein concentration vs. protein standard.
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Thermo Scientific™ Pierce™ Modified Lowry Protein Assay Kit
Clear-to-purple (A750nm), 2-component, folin phenol- and copper-based reagent system to measure total protein concentration vs. protein standard.
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Thermo Scientific™ Pierce™ 660nm Protein Assay Kit
Red-to-green (A660nm), ready-to-use, detergent- and reducing agent-compatible assay reagent to measure total protein concentration vs. protein standard.
Promotions are available
Thermo Scientific™ Pierce™ BCA Protein Assay Kit - Reducing Agent Compatible
Reducing agent-compatible version of our popular BCA Reagent Kit to measure protein concentration in samples containing DTT or BME thiol-reductants.
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Thermo Scientific™ Compat-Able™ Protein Assay Preparation Reagent Kit
Precipitation reagents to eliminate interfering substances from protein assay samples to make them compatible with BCA and Coomassie-Bradford assays.