Yashraj Biotech is seeking a highly motivated Scientist with 4–5 years of industrial experience in antibody bioconjugation, immunoassay development, and diagnostic reagent development. The candidate will work in the development and optimization of antibody-latex conjugates for immunoturbidimetric assays while collaborating with multidisciplinary R&D; and Quality teams to deliver robust diagnostic products.

Key Responsibilities

Design, execute, and optimize antibody purification, characterization, and bioconjugation workflows.
Develop EDC/NHS-based covalent conjugation strategies for latex and nanoparticle-based diagnostic reagents.
Optimize antibody loading, blocking conditions, coupling chemistry, and conjugate stability.
Develop and optimize immunoturbidimetric assays (ITA)
Design and execute DOE-based optimization studies for conjugation efficiency and assay performance.
Evaluate analytical performance including sensitivity, specificity, linearity, precision, agile range, and robustness.
Troubleshoot conjugation, assay performance, and reagent stability issues.




Maintain accurate experimental documentation, SOPs, technical reports, and development records in compliance with GLP.
Mentor junior scientists, trainees, and interns in laboratory techniques and experimental planning.
Participate in technology transfer activities and support manufacturing scale-up of developed reagents.
Cross-Functional Responsibilities

Collaborate with Polyclonal and Monoclonal Antibody R&D; teams for antibody selection and characterization.
Work closely with Quality Control (QC) during analytical validation and product performance evaluation.
Coordinate with Quality Assurance (QA) to ensure compliance with documentation, change control, and regulatory requirements.
Support Manufacturing in process optimization and troubleshooting during scale-up.
Participate in product development meetings, technical reviews, and root-cause investigations.
Contribute to continuous process improvement

📌 Scientist - Antibody Conjugation (Navi Mumbai)
🏢 yashraj biotechnology
📍 Navi Mumbai