Product Category Search
Top rated assay kits
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Best overall
Thermo Scientific Pierce BCA Protein Assay Kit
Highly reliable and widely used protein quantification assay with excellent accuracy and reproducibility. Compatible with most detergents and reducing agents.
- High accuracy and reproducibility
- Works with many buffer types
- Easy protocol
- Requires incubation at 37°C
- Not compatible with all chelating agents
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Best value
Bio-Rad DC Protein Assay Kit II
Low-cost, detergent-compatible protein assay with a simple protocol and fast results. Ideal for routine lab work.
- Cost-effective
- Fast protocol
- Good linearity
- Color reagent can stain
- Slightly less sensitive than BCA
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Best for cell viability
Promega CellTiter 96 AQueous One Solution Cell Proliferation Assay (MTS)
Rapid, single-step cell viability assay that is more convenient than MTT. Requires fewer steps and less handling.
- Single-step protocol
- No washing steps
- More sensitive than MTT
- Works only with living cells
- Reagent is light-sensitive
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Best for ATP detection
Abcam ATP Assay Kit (Luminescence)
Highly sensitive bioluminescent assay for measuring ATP levels in cells or lysates. Used for cell viability, proliferation, and cytotoxicity studies.
- Extremely sensitive
- High signal stability
- Plate-reader compatible
- Requires luminometer
- Expensive per test
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Best for western blotting
Thermo Scientific SuperSignal West Pico PLUS Chemiluminescent Substrate
Sensitive and stable chemiluminescent HRP substrate for western blot detection. Long-lasting signal and low background.
- High sensitivity
- Low background
- Long signal duration
- Only for HRP detection
- Not for colorimetric use
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Best for glucose measurement
Sigma-Aldrich MAK064 Glucose Assay Kit
Simple colorimetric assay for glucose quantification in biological samples. Fast and robust with a wide detection range.
- Simple protocol
- Wide detection range
- Good specificity
- Requires 37°C incubation
- Color stable for limited time
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Best for cytokine detection
R&D Systems Human TNF-alpha Quantikine ELISA Kit
Highly specific and sensitive ELISA kit for human TNF-α measurement. Validated for serum, plasma, and cell culture supernatants.
- High specificity and sensitivity
- Validated for multiple matrices
- Easy protocol
- Expensive
- Single-plex only
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Best for creatinine measurement
Cayman Chemical Creatinine Assay Kit
Colorimetric assay for creatinine in urine or plasma. Simple and fast with minimal sample preparation.
- Fast results
- Minimal sample prep
- Good for high-throughput
- Interference from bilirubin
- Requires fresh samples
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Best for apoptosis detection
Promega Caspase-Glo 3/7 Assay Kit
Bioluminescent assay for measuring caspase-3 and -7 activity in apoptotic cells. Highly sensitive and convenient for screening.
- Sensitive and rapid
- Homogeneous assay
- Works with adherent and suspension cells
- Expensive
- Requires luminometer
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Best for pyruvate quantification
BioVision Fluorometric Pyruvate Assay Kit
Sensitive fluorometric assay for pyruvate in biological samples. Suitable for metabolic studies.
- High sensitivity
- Simple protocol
- No deproteinization needed
- Requires fluorescence reader
- Limited linear range
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