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Dx-Sys Inc.

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Mountain View, California, US

About Dx-Sys Inc.

Founded in Palo Alto, California, in 1998, Dx-Sys specializes in providing reagents and services for Immunodiagnostics worldwide. We have over 19 years of ongoing partnerships with several Biotech companies. We strive to develop, manufacture and market cost-effective immunodiagnostic products without compromising their quality. Our team of scientists has extensive combined experience in antigen development, bioprocessing, cell culture, hybridoma development, assay development, protein purification, diagnostic kit development and pre-clinical pharmaceutical formulations and animal studies. We are committed to satisfying our customers’ needs by ensuring the best quality of every product we manufacture at an affordable price. Our mission is to become the preferred and trusted partner for Biotech companies for all their immunodiagnostic and pharmaceutical needs.

Diversity Certificates

Minority owned business Small business

Our Services (18)


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Topical Formulation

Price on request
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Assay Kit and Component Manufacturing

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Monoclonal Antibody (mAb) Production

Price on request

We have excellent technical expertise for the production, purification, characterization and fragmentation of monoclonal antibodies. For haptens we prepare the immunogens with BSA, KLH and various other carrier proteins through amine, carboxyl or sulphydryl groups.


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Polyclonal Antibody Production

Price on request

Polyclonal antibodies can be provided to you in the form of neat serum or purified IgG. We can also perform testing to check titers of antibodies by Indirect ELISA.


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Bioconjugation/Chemical Crosslinking

Price on request

We conjugate antibodies or antigens to HRP, Alkaline Phosphatase, Biotin, Phycoerythrin, FITC etc. We carry out conjugations under condition that do not effect the biding properties of proteins. We use cross linkers with different chain length and functional groups to obtain optimum sensitivity.


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Assay Development

Price on request

Contract Immunochromatic Assay Development [Lateral Flow]

Dx-Sys Inc., specializes in developing lateral flow immunochromatographic assays. Lateral flow immunoassays represent a significant portion of today’s point of care market because of their speed, low cost and simplicity. We offer both short term feasibility studies and full scale development and manufacturing phases.

Contract Immunochromatic Assay Development [Flow Through]

Dx-Sys Inc., specializes in developing Rapid flow through immunochromatographic assays. Rapid flow immunoassays are very useful in the point of care market because of their simplicity, low cost and speed. The assay cassettes are disposable units suitable for one-time use and can be readily assembled. We offer both short term feasibility studies and full scale development and manufacturing of the device.


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Elisa Kit Development

Price on request

We have expertise in the development of ELISA components and kits for pharmaceutical, biotechnology and diagnostic companies.We immobilise antigen or antibody on microtiter plates to yield the highest activity and stability. These plates can be used for QC and R & D applications as well as analytical assay kits. We also manufacture the kits for specific antigen or antibody. Our custom coated plates are stable at room temperature for 4 years.


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Drug Preformulation

Price on request
  • Solubility Testing and Solubility Enhancement
  • Transdermal, Transmucosal, and GI Permeation Screening
  • Drug-Excipient and Drug-Drug Compatibility and Stability Testing


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Pharmaceutical Formulation

Price on request

Our target is to develop stable and scalable formulations based on various physicochemical, pharmaceutical, and regulatory considerations.

  • Solutions
  • Suspensions
  • Nanosized Dispersions
  • Emulsions
  • Spray Dried Powders
  • Capsules
  • Tablets
  • Topical Products

Formulation Troubleshooting

We provide customized solutions to resolve physicochemical and formulation issues with your drug substances and drug products.


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Project Management

Price on request

We offer project management services for preclinical and early stage clinical product development programs.

  • Identification of CRO/CMO
  • Work coordination with CRO/CMO and Onsite visits
  • Report reviews
  • Progress monitoring against established timelines.


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Manufacturing Services

Price on request

Manufacturing Services


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Antibody Services

Price on request

Antibody Services


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Protein Quantification

Price on request

Protein Quantification Services


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Protein Purification

Price on request

Protein Purification and Quantification Services


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Protein Services

Price on request

Protein Services


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Biochemistry & Molecular Biology

Price on request

Biochemistry & Molecular Biology Services


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Biology

Price on request

Biology Services


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Formulation Services

Price on request

Formulation & Manufacturing Services


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Subbarao Gunupudi

President

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