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Thermo Scientific™
Micro BCA™ Protein Assay Kit
The Pierce Micro BCA Protein Assay Kit is a three-component version of our BCA reagents, optimized to measure total proteinRead more
| Catalog Number | Quantity |
|---|---|
| 23235 | 500 mL |
Catalog number 23235
Price (KRW)
378,000
Online offer
Ends: 30-Jun-2025
431,000Save 53,000 (12%)
Each
-
Quantity:
500 mL
Price (KRW)
378,000
Online offer
Ends: 30-Jun-2025
431,000Save 53,000 (12%)
Each
The Pierce Micro BCA Protein Assay Kit is a three-component version of our BCA reagents, optimized to measure total protein concentration of dilute protein solutions (0.5 to 20 μg/mL).
Compare all available BCA protein assays ›
Features of the Micro BCA Protein Assay Kit include:
• Sensitivity—accurately detect down to 0.5 μg/mL (2 μg/mL in microplate format)
• Working range—linear working range for BSA of 0.5 to 20 μg/mL
• Colorimetric—measure with a standard spectrophotometer or plate reader at 562 nm
• Compatibility—unaffected by typical concentrations of most ionic and non-ionic detergents
• Stability—kit is stable at room temperature; prepared working reagent stable for up to 24 hours
The Micro BCA Protein Assay Kit is a specialized version of the popular Pierce BCA Protein Assay for determining the protein concentration of dilute samples. Mixing together the three Micro BCA reagents results in a working solution that is sufficiently concentrated to measure protein when mixed with an equal volume of sample. The result is an assay for accurately measuring 0.5 to 20 μg/mL protein solutions. The assay is exceptionally linear and exhibits very low levels of protein-to-protein variability.
Related products
Micro BCA Reagent A (MA)
Micro BCA Reagent B (MB)
Micro BCA Reagent C (MC)
Ampule Breakers
Compare all available BCA protein assays ›
Features of the Micro BCA Protein Assay Kit include:
• Sensitivity—accurately detect down to 0.5 μg/mL (2 μg/mL in microplate format)
• Working range—linear working range for BSA of 0.5 to 20 μg/mL
• Colorimetric—measure with a standard spectrophotometer or plate reader at 562 nm
• Compatibility—unaffected by typical concentrations of most ionic and non-ionic detergents
• Stability—kit is stable at room temperature; prepared working reagent stable for up to 24 hours
The Micro BCA Protein Assay Kit is a specialized version of the popular Pierce BCA Protein Assay for determining the protein concentration of dilute samples. Mixing together the three Micro BCA reagents results in a working solution that is sufficiently concentrated to measure protein when mixed with an equal volume of sample. The result is an assay for accurately measuring 0.5 to 20 μg/mL protein solutions. The assay is exceptionally linear and exhibits very low levels of protein-to-protein variability.
Related products
Micro BCA Reagent A (MA)
Micro BCA Reagent B (MB)
Micro BCA Reagent C (MC)
Ampule Breakers
For Research Use Only. Not for use in diagnostic procedures.
Specifications
AssayBCA Assay
DescriptionPierce Micro BCA Protein Assay Kit
For Use With (Application)Solution-based Detection, Absorbance
For Use With (Equipment)Spectrophotometer, Microplate Reader
Product LineMicro BCA™, Pierce™
Product TypeProtein Quantitation Assay
Quantity500 mL
SpecificityNot Target-Specific
Sufficient For480 Tube Assays or 3200 Microplate Assays
Detection MethodColorimetric
Unit SizeEach
Contents & Storage
Sufficient For: 480 tube assays or 3200 microplate assays
• Micro BCA Reagent A (MA), 240 mL
• Micro BCA Reagent B (MB), 240 mL
• Micro BCA Reagent C (MC), 12 mL
• Albumin Standard Ampules, 2 mg/mL, 10 x 1 mL
Store at room temperature.
• Micro BCA Reagent A (MA), 240 mL
• Micro BCA Reagent B (MB), 240 mL
• Micro BCA Reagent C (MC), 12 mL
• Albumin Standard Ampules, 2 mg/mL, 10 x 1 mL
Store at room temperature.
Introducing iBlot 3 Western Blot Transfer System
Featuring higher throughput and built-in cooling for consistent protein transfer
Learn more ›
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Figures
Protocol summary for the Micro BCA Protein Assay
Standard curves
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Product Information
Frequently asked questions (FAQs)
The choice of protein assay is dependent on preferences related to assay speed, accuracy and sensitivity, as well as interfering substances in the sample to be assayed. BCA has less protein-to-protein variation, is compatible with most detergents, and has larger working range. Pierce Bradford Plus Protein Assay Kit (Cat. No. 23236) is compatible with reducing sugars, is more sensitive and is faster and easier to use. For a comparison of different protein assays and compatible reagents, see our Tech Tip: Protein Quantitation Assay Compatibility Table (https://assets.thermofisher.com/TFS-Assets/LSG/Application-Notes/TR0068-Protein-assay-compatibility.pdf).
Find additional tips, troubleshooting help, and resources within our Protein Assays and Quantitation Support Center.
For the Microplate Protocol the sample to working reagent (WR) ratio is 1:8 (25 µl sample plus 200 µl WR). If the sample amount is limited, a 1:20 ratio may be used (10 µl sample); in this case, however, the detection range of the assay will be limited to 125-2,000 µg/ml. For the Test Tube Procedure (Standard or Enhanced Protocols) the ratio is 1:20 (0.1 ml sample plus 2.0 ml WR). In the Micro BCA Assay Kit (for both Microplate and Test Tube Procedures), the ratio is 1:1 (1 part sample plus 1 part WR).
Find additional tips, troubleshooting help, and resources within our Protein Assays and Quantitation Support Center.
For performing the Micro BCA Protein Assay Kit (Cat. No. 23235) in tubes and plates, the recommended sample volumes are 1 mL and 150 µL, respectively. If you have a limited amount of sample volume, you can perform the assay using a NanoDrop, which only requires 10 µL of sample and 10 µL of the Micro BCA Working Reagent (WR). Please refer to the Protocol for BCA Protein Assay Using a NanoDrop 2000/2000c Spectrophotometer.
Find additional tips, troubleshooting help, and resources within our Protein Assays and Quantitation Support Center.
NanoDrop 2000/2000c Spectrophotometers (Cat. Nos. ND-2000, ND-2000C) are compatible with most commercial BCA protein assay kits. We offer a number of BCA protein assay kits, including, but not limited to, the BCA Protein Assay Kit (Cat. No. J63283.QA), Micro BCA Protein Assay Kit (Cat. No. 23235, and Pierce BCA Protein Assay Kit (Cat. No 23225, 23227).
To identify, compare, and choose the best protein assay for your sample type and application, you can use our interactive Protein Assay Selection Guide.
Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.
The Pierce Micro BCA Protein Assay Kit is covered under our general 1-year warranty and is guaranteed to be fully functional for 12 months from the date of shipment, if stored as recommended. Please see section 8.1 of our Terms & Conditions of Sale (https://www.thermofisher.com/content/dam/LifeTech/Documents/PDFs/Terms-and-Conditions-of-Sale.pdf) for more details.
Find additional tips, troubleshooting help, and resources within our Protein Assays and Analysis Support Center.
Citations & References (1)
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Citations & References
Abstract
Measurement of protein using bicinchoninic acid.
Journal:Anal Biochem
PubMed ID:3843705
Bicinchoninic acid, sodium salt, is a stable, water-soluble compound capable of forming an intense purple complex with cuprous ion (Cu1+) in an alkaline environment. This reagent forms the basis of an analytical method capable of monitoring cuprous ion produced in the reaction of protein with alkaline Cu2+ (biuret reaction). The
1 total citations