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Shanghai Korain Biotech Co., Ltd
Shanghai Korain Biotech Co Ltd
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Shanghai Korain Biotech Co., Ltd

Shanghai Korain Biotech Co., Ltd
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Shanghai Korain Biotech Co., Ltd

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Shanghai Korain Biotech Co. was built in 2010. As an creator in reagents and tools for life science, Korainbio provide researchers with tools and scientific support including 30,000 antibodies, 1000+ proteins and 5000 ELISA kits. We aim to be a leading provider with world-class level for the researchers all over the world. Our products line covers a set of research areas including Immunology, Neuroscience, Cancer, Kinases, Phosphatases and Cell Biology.


Bioassay Technology Laboratory (BT Lab) as a leading brand of Korainbio focused on helping researchers to optimize life science work and serves as a provider of test and developing services, including elisa tests, WB test and antigen development. Founding in 2010, our strategic focus has been on the development of enabling technologies in the research, development, manufacture and marketing of innovative immuno products and services based on molecular technologies.


Korain’s reagents are supported by superior processional team and a quality management system that is certified for CE and ISO. Our product development program for use in a variety of applications including:

ELISA and immunohistochemistry

  • Immunoprecipitation
  • Immunohistochemistry
  • Immunofluorescence microscopy
  • Immunohistochemistry
  • Quantitative Multiplexing

About BT Lab

As a leading brand of Korainbio, Bioassay Technology Laboratory (BT Lab) offers a variety of cost-effective ELISA kits and sets to measure cytokines, chemokines, and soluble biomarkers consistently and reliably. Sandwich kit and Competitive that provide the core reagents our selection of ELISA products meets the demand of ELISA beginners to experts alike at a very economical price.


Worldwide Distributors


ELISA Kit Categories

Sandwich Kit
Sandwich kits are fully validated and ready-to-use, containing 96- well strip plates pre-coated with capture antibody to detect sample antigen.


Competitive Kit
In a competitive ELISA assay, sample antigen and labeled antigen compete for capture antibody binding. The more target protein there is in the sample, the less labeled antigen will be captured and the weaker the signal.


Qualitative Kit
Qualitative results provide a simple positive or negative result for a sample. In quantitative ELISA, the optical density (OD) of the sample is compared to a standard curve, which is typically a serial dilution of a known-concentration solution of the target molecule. It is suitable for detecting small antigens


Advantages of our Sandwich kit

Without Diluting Sample

  • Save assay time
  • Wide detection range
  • Reducing non-specific interactions between the sample matrix proteins

Streptavidin-biotin system

  • Significant non-specific binding can be prevented by strepvidin
  • Reducing interference from residual biotin in sample
  • A non-covalent interaction with high affinity

Washing Step

  • Only 5 times for one step

Pre-Coated plate



What We Provide

  • Product datasheet, product image, MSDS, publican references
  • Order by emailor phone.
  • Quality Guarantee with ISO and CE certificate
  • Within 36 hours to your inquiry
  • Support by professional team who are specializes in life science.
  • Delivery to more than 100 countries
  • Special packaging according your request

What We Aim to

  • Optimize your R&D with our tools
  • Build a friendship with every single customer
  • Devoted ourselves to providing researchers with professional support

If you’re interested in working with us to expand the market, please feel free to contact us by:


Contact Now

Shanghai Korain Biotech Co., Ltd

Business Type: Manufacturer,Distributor/Wholesaler,Exporter,Seller
Main Market: Worldwide
Brand(s): BT Lab
Year Established: 2010
Address: #1008.Junjiang Internatioanl Bldg. 228 Ningguo Rd. Yangpu Dist. Shanghai. 200090. China
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