● Deliver affinity purified recombinant antibodies in only 2 weeks

● SDS-PAGE>95%, endotoxin level <1EU/mg

● 100% risk-free, no antibody no cost

● Absolutely competitive quotation

Partial Popular Mutants from SARS-CoV-2 Variants

CUSABIO has developed and produced a series of high-quality mutant antigens with various tag. Most of these mutant antigens have been validated in bioactivity.

Recombinant Human Claudin-18.2

Full Length • Mammalian Cell • Activity Validated

High Inter-batch Consistency • High Stability

● Virus Like Particles (VLPs) Platform

● Detergent Micelle Platform

● Nanodisc Platforms

Only USD$150/kit (free shipping)

CUSABIO provides 24T trial size for all ELISA kits except food safety ELISA kits.

* The sample kit cost can be deducted from your subsequent orders of 96T full size kits of the same analyte at 1/5 per kit, until depleted in 6 months.

CUSABIO Exosome isolation kit provides a simple and reliable method to extract intact exosomes from the cell culture supernatant, serum, plasma, latex, urine, saliva.

● High Purity
● High Yield
● High Efficiency

HTP Recombinant Antibody Production
SARS-CoV-2 Variants
CLDN18.2
Transmembrane Proteins
24T ELISA Kit Trial Size
Exosome Isolation Kit

CUSABIO, Your Good Partner in Biology Research

As a manufacturer of antibodies, proteins, ELISA kits and related reagents, our only mission is to provide the best products and related custom service to researchers so that they can have a good starting for the next breakthrough.

SARS-CoV-2 (COVID-19 virus) Research

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Nucleoprotein proteins and antibodies

CUSABIO provides 6 recombinant nucleoprotein and 7 N Antibodies (3 recombinant antibodies) for SARS-CoV-2 research.More>>

Spike Glycoprotein proteins and antibodies

CUSABIO provides 15 recombinant spike proteins (S, S-S1, S-RBD) and 8 S antibodies for SARS-CoV-2 research.More>>

SARS-CoV-2 ELISA Kits

CUSABIO has developed 3 types of ELISA kits to help you in SARS-CoV-2 research, including antigen detection ELISA kit (N and S), antibody detection ELISA kit (N IgG, S IgG, N/S1 IgG, S1 RBD IgG and S1 RBD IgM) and neutralizing antibody ELISA kit.More>>

Mutation Antigens in Spike Protein of SARS-CoV-2

CUSABIO have developed several SARS-CoV-2 Spike S1 mutation recombinant proteins, including RBD (V367F), RBD (W436R), RBD (G476S), RBD (V483A), RBD (K417N), RBD (E484K) and S1 (D614G). All of these proteins are validated in SDS-PAGE and function ELISA.More>>

The ELISA Kits for COVID-19 Cytokine Storm

COVID-19 cytokine storm actually refers to the cytokine storm caused by COVID-19. CUSABIO provides a series of ELISA kits of cytokine storm caused by coronavirus infection, including IFNγ, IL10, IL12A, IL15 and so on.More>>

Potential Targets Reagents of SARS-CoV-2 Invasion

CUSABIO collect the potential targets of SARS-CoV-2 invasion, such as ACE2 and CD147. And we list the related reagents in one page, including proteins, antibodies and ELISA kits.More>>

Hot Categories

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Coronavirus Antigens

CUSABIO provides a series of antigens of various coronaviruses, including SARS-CoV, MERS-CoV, SARS-CoV-2, HCoV-229E, HCoV-NL63 etc.

Animal Free Cytokines

CUSABIO has provided many animal free cytokines covered most of factors commonly used in cell culture.

G protein-Coupled Receptor

G protein-coupled receptor (GPCR), also known as seven α-helices transmembrane segment receptors, is a general term for a large class of membrane protein receptors.

New Products Launch

CUSABIO is committed to antibodies and proteins R&D, and aims to be the better partner in your science research.

Drug Target Proteins

CUSABIO Drug Target Proteins
High Purity, Low Endotoxin, Validated Activity, In Stock.

Tag/Control Antibodies

CUSABIO Tag/Control Antibodies include highly specific monoclonal and polyclonal epitope tag antibodies to the most common tags used by researchers.

Immune Checkpoint

Immune checkpoints are regulators of immune activation by regulating the antigen recognition of T cell receptor (TCR) in the process of immune response.

Biotinylated Proteins

CUSABIO has developed several biotinylated proteins by Avitag technology, which mainly contains two ways, Avi label in vivo and vitro biotin label technologies.

The Latest Publication Products

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Human CD81 ELISA kit / Human NADH-ubiquinone oxidoreductase chain 6(MT-ND6) ELISA kit / Human NFE2L2 ELISA kit referenced in "Abnormal levels of mitochondrial proteins in plasma neuronal extracellular vesicles in major depressive disorder". Molecular Psychiatry, 2021.

Mouse PAF ELISA kit referenced in "Association of circulating PLA2G7 levels with cancer cachexia and assessment of darapladib as a therapy". Journal of Cachexia, Sarcopenia and Muscle, 2021.

CDKL3 Antibody / GAPDH Antibody referenced in "AC-motif: a DNA motif containing adenine and cytosine repeat plays a role in gene regulation". Nucleic acids research, 2021.

Recombinant Human Novel Coronavirus Spike glycoprotein(S),partial (Active) referenced in "Ultramicronized Palmitoylethanolamide Inhibits NLRP3 Inflammasome Expression and Pro-Inflammatory Response Activated by SARS-CoV-2 Spike Protein in Cultured Murine Alveolar Macrophages". Metabolites, 2021.

Recombinant Mouse Tyr referenced in "Altered T cell subpopulations and serum anti-TYRP2 and tyrosinase antibodies in the acute and chronic phase of alopecia areata in the C3H/HeJ mouse model". Journal of Dermatological Science, 2021.

CUSABIO, Your Good Partner in Biology Research

SARS-CoV-2 (COVID-19 virus) Research

Popular Articles

The Latest Publication Products