Immunoassay Reagents

At Krishgen Biosystems, we specialize in providing high-quality immunoassay reagents designed to deliver precision, reliability, and reproducibility. Our innovative solutions cater to the diverse needs of researchers, clinicians, and diagnostic developers, empowering them to achieve accurate and consistent results.

Our comprehensive portfolio includes highly specific antibodies, high-sensitivity detection reagents, optimized assay buffers, and standards, all meticulously developed to ensure exceptional performance across a wide range of applications. Whether advancing diagnostic kits, conducting groundbreaking research, or supporting therapeutic innovations, Krishgen Biosystems is your trusted partner.

Explore our cutting-edge immunoassay reagents and experience the Krishgen commitment to excellence, driving discovery and innovation in life sciences and healthcare.

  • High Sensitivity & Specificity
  • Broad Application Range
  • Superior Quality
  • Customizable Solutions

Explore our diverse portfolio of Immunoassay Reagents to unlock the potential of your research projects.                      

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Krishgen Biosystems proudly offers one of the most comprehensive portfolios of ELISA kits in the industry, trusted by researchers, clinicians, and pharmaceutical developers worldwide. Designed for unmatched sensitivity, precision, and ease of use, our ELISA kits support a wide array of applications, from biomarker detection to diagnostic assay development.
Key Product Categories
  • Bispecific Antibody Drug ELISA
  • Antibody Drug Conjugate ELISA
  • TDM / mAb-Based ELISA
  • Host Cell Protein ELISA
  1. Bispecific Antibody Drug ELISA Krishgen Biosystems offers specialized Bispecific Antibody Drug ELISA kits designed to accurately quantify and monitor bispecific antibody drugs in preclinical and clinical studies. These kits provide high sensitivity and specificity, enabling precise detection of target analytes while ensuring reproducible results. With user-friendly protocols and robust performance, our ELISA kits support the development and therapeutic evaluation of next-generation antibody drugs.
  2. Antibody Drug Conjugate ELISA Krishgen Biosystems provides advanced Antibody Drug Conjugate (ADC) ELISA kits tailored for the quantification and characterization of ADCs in drug development and therapeutic monitoring. Our kits ensure high sensitivity, specificity, and consistency, enabling precise measurement of the antibody, payload, and conjugate. Designed for accuracy and ease of use, they are essential tools for ADC research and quality control in preclinical and clinical settings.
  3.  TDM / mAb-Based ELISA Krishgen Biosystems offers cutting-edge TDM/mAb-Based ELISA kits for the precise measurement of monoclonal antibodies (mAbs) and therapeutic drugs in biological samples. These kits ensure high sensitivity and reproducibility, facilitating pharmacokinetic studies, drug efficacy assessments, and therapeutic drug monitoring. Designed for accuracy and ease of use, our solutions support reliable decision-making in research and clinical settings.
  4. Host Cell Protein ELISA Krishgen Biosystems delivers high-quality Host Cell Protein (HCP) ELISA kits designed to detect and quantify residual HCP contaminants in biologic drug production. These kits ensure exceptional sensitivity and specificity, helping manufacturers meet stringent regulatory standards for biopharmaceutical purity. With reliable performance and easy-to-use protocols, our HCP ELISA kits are essential for ensuring product safety and quality in biopharmaceutical development and manufacturing.
Featured Products

Founded in 1996, Chondrex, Inc. is dedicated to providing high-quality research reagents and exceptional customer support to the scientific community. With a portfolio of over 400 immunology research products, including models for autoimmune diseases like nephritis, colitis, and allergic asthma, Chondrex has earned its reputation as a trusted name in inflammation, connective tissue, extracellular matrix, and immunology research.

Our mission is to accelerate discoveries in immunology by offering reliable, high-quality products backed by prompt and expert support. At Chondrex, customer care goes beyond providing products—we’re committed to helping researchers achieve consistent and reliable results.

For product inquiries or technical support, our knowledgeable team, including in-house scientists with over 20 years of experience, is ready to assist. We prioritize quick responses, often within 24 hours, because we understand the time-sensitive nature of research. Let Chondrex be your partner in advancing immunology breakthroughs.

Featured Products

Mouse -Animal models

Allergy models can be induced by anti-OVA or CPE IgE monoclonal antibodies, and allergens, such as OVA, HDM, and CPE.

  • Ovalbumin (OVA)
  • House Dust Mite (HDM)
  • Crude Peanut Extract (CPE)
  • Arthritis models can be induced by anti-type II collagen monoclonal antibodies or type II collagen. Collagen Antibody-Induced Arthritis
  • Collagen-Induced Arthritis

  Mouse – Anti-Allergen Antibody Assay

The development of mouse allergy models can be evaluated by serum antibody levels against allergens such as OVA, HDM, and CPE

  • OVA
  • HDM
  • CPE

Oxford Biomedical Research (OBR), founded in 1984 by Dr. Denis M. Callewaert, is dedicated to providing cutting-edge tools for biomedical researchers, focusing on the analysis of oxidative stress and chronic inflammation—key risk factors for diseases such as cancer, cardiovascular disease, diabetes, and neurodegeneration. OBR’s mission is to support the development of non-invasive methods for assessing these factors, offering solutions that can help prevent major diseases through improved diagnosis, diet, and lifestyle interventions. With a focus on biomarkers for oxidative stress and chronic inflammation, OBR develops and markets a range of assay kits, recombinant proteins, and antibodies. The company employs proprietary technologies, including ProteoMine™ for biomarker discovery and ToxProfiler™ for detecting oxidized proteins linked to organ-specific toxicity. OBR also applies innovative platforms like Toxicoproteomics and Metabolomics to enhance early disease diagnosis and prevention. Based in Rochester Hills, MI, OBR collaborates with international scientists and institutions to advance biomedical research. The company also seeks partnerships to further expand its impact on global health.
Featured Products
  • Extraction-free isoprostane eia
  • Anti-2,8,17-citrullinated histone h3
  • Anti -15-f2t-isoprostane purified igg
  • Human therapeutic igg1 elisa kit

Mabtech is a Swedish biotech company focused on developing advanced immunoassays for life science research. Our mission is to support the scientific community by providing innovative tools, particularly for ELISpot, FluoroSpot, and ELISA applications. We develop and produce a broad range of monoclonal antibodies, kits, peptide pools, and instruments designed for in vitro use.

Founded in Stockholm in 1986, our headquarters remain in Nacka Strand, just east of the city center, where we handle all aspects of our operations, including research, production, finance, IT, quality control, marketing, distribution, and sales. We also have a sales office in Cincinnati, Ohio, and work with trusted distributors worldwide. At Mabtech, product quality is the result of our commitment to collaboration and attention to detail across all departments. Quality isn’t just a word for us—it’s a mindset, a guiding principle that shapes everything we do. As part of the scientific community, we’re eager to contribute to the progress of science and encourage open communication with our peers. Feel free to reach out to us anytime.
Featured Products:
  • ELISpot Pro: Human IFN-γ (ALP) – 3420-2APT-2
One-step detection – our most convenient ELISpot assay.
  • ELISpot Plus: Mouse IFN-γ (ALP) – 3321-4APT-2
Pre-coated plates and most reagents normally needed, ensuring reproducibility.
  • ELISA Pro: Human IFN-γ – 3420-1HP-1
Thoroughly validated and include every buffer necessary, for a reliable and reproducible assay.
  • ELISA Pro: Human IFN-α – 3425-1HP-1
Highly cited ELISA kit for studying viral responses.

Since 1982, the founders of our company have been dedicated to researching and developing assay kits for research and FDA in vitro diagnostic markets. Their work has had a lasting impact on the life sciences sector, particularly since 1991, when they identified that products in this space often lacked key qualities like sensitivity, speed, convenience, quality, and customer service. Arbor Assays was founded on the belief that these qualities should be the standard for all products and services, and we have embedded this philosophy into everything we do.

With decades of collective experience in assay design, development, and manufacturing, we remain committed to serving our customers. We are proud to bring our expertise to support your work in the lab. Our dedication extends to our customers, community, environment, and our team. We strive to ensure that every customer receives personalized assistance and encourage you to reach out to us anytime, whether by email, phone, web chat, or in person.
Featured Products:
  • 11-Ketotestosterone ELISA Kits
  • 17-Hydroxyprogesterone ELISA KitsPrigrow CI Medium
  • 2′,3′-Cyclic GAMP ELISA Kit (384-Well Plate)
  • 2′,3′-Cyclic GAMP ELISA KitsEACH-1 Cells

At Medicago, our mission is to enhance global health by providing world-class products and services to the life sciences industry, with a strong commitment to sustainability. We offer a diverse range of products, including user-friendly SmartBuffers™ in tablet or powder form, ActiveLectins, bioactive molecules like protein A and saponin, and various immunological kits and reagents. In addition to our standard offerings, we provide customized solutions to meet specific customer requirements. All of our products adhere to rigorous quality standards, ensuring consistent performance and chemical purity.

Medicago is also a well-established contract manufacturing organization (CMO), serving industries such as biotech, pharmaceuticals, food tech, veterinary, agriculture, and diagnostics. Our services range from small-scale kit assembly to full-service product development and manufacturing, with extensive experience in quality systems ISO9001 and ISO13485. We are equipped to handle both small and large-scale projects, delivering high-quality solutions tailored to your needs.

Featured Products:
  • Protein L ligand leakage ELISA kit
  • Lens culinaris lectin (LCA/LcH)
  • Phosphate Buffered Saline with TweenTM 20 (PBS-T) pH 7.4
  • p-Nitrophenyl phosphate (pNPP) substrate 20 mg

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