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Protein Assays

A wide variety of assay products for identifying and analyzing of proteins and their functions. Products utilize various detection methods and sample types and can be used for applications including medical, cellular, molecular, and protein research.
Bioluminescence Assays and Reagents (92)
Protein Assays and Amino Acid Analysis (78)
Total Protein Assay Kits (68)
Antibody and Dye Based Assays (37)
Class-Specific Protein Assay Kits (12)
Galactosidase Assay Kits (7)
GTPase Assay Kits (7)
Sample Peroxide Assay Kits (5)
Transcription Factor Assay Kits (3)

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1 – 15 of 235 results
1

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.

Assay BCA Assay
For Use With (Equipment) Spectrophotometer, Microplate Reader
Product Type Protein Quantitation Assay
For Use With (Application) Solution-based Detection, Absorbance
Product Line Pierce
Detection Method Colorimetric
2

Thermo Scientific™ Pierce™ Bovine Serum Albumin Standard Ampules, 2 mg/mL

High-quality, calibrated BSA solutions (2 mg/mL) to serially dilute to create protein assay standard curves to accurately measure protein concentration.

3

Thermo Scientific™ Pierce™ Dilution-Free™ Rapid Gold BCA Protein Assay

The Pierce Dilution-Free Rapid Gold BCA Protein Assay Kit is an effortless, fast, and accurate assay optimized to determine total protein concentration. It is detergent-compatible and has a 5X wider dynamic range than traditional protein assays of 0.02–10 mg/mL.

Shipping Condition Wet Ice
Specificity Not Target-specific
For Use With (Equipment) Spectrophotometer, Microplate Reader
Product Type Protein Quantitation Assay
Assay Range 20 to 10,000 μg/mL
For Use With (Application) Solution-based Detection, Absorbance
Product Line Pierce Dilution-Free
Detection Method Colorimetric
4

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).

5

Thermo Scientific™ Pierce™ BCA Protein Assay Reagent A

Estimate visually, or measure with a standard spectrophotometer or plate reader at 562 nm.

Assay BCA Assay
Specificity Not Target-Specific
Content And Storage Store at room temperature.
Description Pierce BCA Protein Assay Reagent A
For Use With (Equipment) Spectrophotometer, Microplate Reader
Product Type Protein Quantitation Assay
For Use With (Application) Solution-based Detection, Absorbance
Product Line Pierce
Detection Method Colorimetric
6

Thermo Scientific™ Active Cdc42 Pull-Down and Detection Kit

Purify GTPases and assay activation levels using specific GST-tagged protein-binding domains (PBD), GSH-agarose beads and anti-GTPase antibodies.

7

Invitrogen™ Qubit™ Protein and Protein Broad Range (BR) Assay Kits  DFS Item
GREENER_CHOICE

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.

Product Line Qubit
Detection Method Fluorescence
8

Invitrogen™ NanoOrange™ Protein Quantitation Kit, 200-2,000 assays  DFS Item

Sensitive and easy assay for protein quantitation, with detection as low as 10 ng/mL of protein in solution

9

MilliporeSigma™ Novagen™ BetaRed™ β-Galactosidase Assay Kit

Designed for rapid, sensitive measurement of β-galactosidase activity in cell extracts.

10

Invitrogen™ β-Gal Staining Kit  DFS Item

Determine percentage of transfected cells expressing lacZ

11

MilliporeSigma™ Novagen™ BetaFluor™ β-Galactosidase Assay Kit

Designed for rapid, sensitive measurement of β-galactosidase activity in cell extracts.

12

Thermo Scientific™ Pro-Detect™ Rapid Streptag II Competitive Assay Kit

Pro-Detect™ Rapid Competitive Assay Kit is a single-use, dipstick lateral flow kit for quick, easy detection of tagged proteins in protein expression and purification systems

13

Thermo Scientific™ Pro-Detect™ Rapid DYKDDDDK Competitive Assay Kit

Pro-Detect™ Rapid Competitive Assay Kit is a single-use, dipstick lateral flow kit for quick, easy detection of tagged proteins in protein expression and purification systems

14

Thermo Scientific™ Pro-Detect™ Rapid GST Assay Kit

Pro-Detect™ Rapid Assay Kit is a single-use, dipstick lateral flow kit for quick, easy detection of tagged proteins in protein expression and purification systems

15

Thermo Scientific™ Pro-Detect™ Rapid Mouse Fc Assay Kit

Pro-Detect™ Rapid Protein Fc Assay Kit is a single-use, dipstick lateral flow kit for quick, easy detection of human, rabbit or mouse Fc-tagged proteins in protein expression and purification systems.