Kestrel Biosciences
K.BioSciences, established in 2008, specializes in immunoassays and rapid diagnostic tests. They focus on lateral-flow rapid tests, EIAs, flow through assays, and protein chemistry techniques. Their mission is to develop and manufacture high-quality diagnostic products, offering contract manufacturing, OEM services, and a range of products and materials for point-of-care diagnostics. They aim to be a leading innovator in the field of diagnostic testing, with a strong emphasis on reliability, speed, and reasonable costs.
Industries
Products
COVID-19 antigen rapid test (professional use)
Nasopharyngeal lateral-flow immunoassay for qualitative detection of SARS-CoV-2 nucleocapsid antigen intended for professional in vitro diagnostic use; includes cassette, extraction buffer and swab.
COVID-19 antigen rapid test (self-testing / home-use)
Nasal-swab lateral-flow immunoassay kit designed for home self-testing for SARS-CoV-2 antigen with kit components and IFU aimed at lay users.
Influenza A/B antigen rapid test
Lateral-flow immunoassay for qualitative detection of Influenza A and B nucleocapsid antigens from nasopharyngeal swabs for professional in vitro diagnostic use.
Malaria P.f/Pan combo rapid test
Rapid qualitative test for detection of Plasmodium falciparum HRP2 and pan-Plasmodium pLDH antigens in whole blood using lateral-flow immunochromatography.
Dengue NS1 antigen rapid test (NS1 detection)
NS1 antigen detection lateral-flow assay for early-phase dengue diagnosis from whole blood, plasma or serum.
Lateral-flow dipsticks for amplicon detection
Universal lateral-flow dipsticks for visualization of labeled nucleic acid amplification products (single- and two-test-line formats for FITC/biotin/digoxin labeling).
COVID-19 antigen rapid test (professional use)
Nasopharyngeal lateral-flow immunoassay for qualitative detection of SARS-CoV-2 nucleocapsid antigen intended for professional in vitro diagnostic use; includes cassette, extraction buffer and swab.
COVID-19 antigen rapid test (self-testing / home-use)
Nasal-swab lateral-flow immunoassay kit designed for home self-testing for SARS-CoV-2 antigen with kit components and IFU aimed at lay users.
Influenza A/B antigen rapid test
Lateral-flow immunoassay for qualitative detection of Influenza A and B nucleocapsid antigens from nasopharyngeal swabs for professional in vitro diagnostic use.
Malaria P.f/Pan combo rapid test
Rapid qualitative test for detection of Plasmodium falciparum HRP2 and pan-Plasmodium pLDH antigens in whole blood using lateral-flow immunochromatography.
Dengue NS1 antigen rapid test (NS1 detection)
NS1 antigen detection lateral-flow assay for early-phase dengue diagnosis from whole blood, plasma or serum.
Lateral-flow dipsticks for amplicon detection
Universal lateral-flow dipsticks for visualization of labeled nucleic acid amplification products (single- and two-test-line formats for FITC/biotin/digoxin labeling).
Services
Contract manufacturing for diagnostic tests
Contract and OEM production of lateral-flow and microplate diagnostic assays including assembly, packaging and kit-level manufacture.
Custom assay and reagent development
Assay design, reagent optimization, conjugation services and prototype testing for immunoassays and lateral-flow devices.
Membrane processing and assembly services
Membrane spraying, lamination, cutting, and preparation of conjugate/sample pads for lateral-flow manufacturing.
Training and technical courses
Modular training covering lateral-flow principles, reagent development, protein purification, conjugation, verification/validation, manufacturing and quality control.
Contract manufacturing for diagnostic tests
Contract and OEM production of lateral-flow and microplate diagnostic assays including assembly, packaging and kit-level manufacture.
Custom assay and reagent development
Assay design, reagent optimization, conjugation services and prototype testing for immunoassays and lateral-flow devices.
Membrane processing and assembly services
Membrane spraying, lamination, cutting, and preparation of conjugate/sample pads for lateral-flow manufacturing.
Training and technical courses
Modular training covering lateral-flow principles, reagent development, protein purification, conjugation, verification/validation, manufacturing and quality control.
Expertise Areas
- Lateral-flow rapid diagnostics
- Immunoassay development
- Point-of-care diagnostic manufacturing
- Diagnostic reagent and particle conjugation
Key Technologies
- Lateral-flow immunoassay
- Colloidal gold labeling (20–40 nm)
- Colored and fluorescent latex microspheres
- Nitrocellulose membrane-based devices