• Involved in research and development of new drug products including DMF evaluation, analytical method development and validation, and tech-transfer studies. • Trouble shoot issues related to analytical testing during drug development • Design and Perform Extractable and Leachable (E&L) study on the IV bag products. • Develop LC, GC, LC-MS and ICP-MS methods using QbD approach to support analytical research.• Develop reverse phase chiral methods to control enantiomeric impurities in drug product • Prepare technical reports such as E&L, justification of impurities in drug product, elemental impurities’ risk assessment and residual solvent statement for NDA and ANDA submission. • Characterize unknown impurities using advanced instrumental analysis including UPLC, LC-MS and UV-Vis• Guide fellow chemists in resolving scientific issues and in developing analytical methods.

• Handled analytical aspects of product development cycle ranging from API evaluation, feasibility studies, GC/LC/MS method development, validation, E&L study, elemental impurities risk assessment to ANDA submission. • Designed and executed analysis of injectable and ophthalmic products using various advanced instrumentation including HPLC, GC, LC-MS, GC-MS and ICP-MS.• Involved in development and validation of analytical methods including tasks such as drafting and executing method validation protocols and preparing method validation reports. • Performed extractable/leachable studies of drug products using LC-MS, GC-MS and ICP-MS and prepared reports for submission with ANDA applications• Participated actively in responding FDA deficiencies involving analytical aspects • Characterized unknown impurities using advanced instrumental analysis including LC-MS, GC-MS, UV-Vis and FTIR. • Provided analytical support to the formulation team during the product development phase and contributed substantially in addressing the key concerns during lab/exhibit batches’ stability data analysis • Analyzed samples from various sources to provide information on compounds or quantities of compounds present; interpret data and adhere to strict cGMP guidelines on documentation • Maintained thorough knowledge of SOPs, STPs and cGMP/GLP requirements pertaining to analytical services laboratory.

1) Synthesis and characterization of organic compounds for conjugated polymers • Designed efficient synthetic routes to access heterocyclic organometallic compounds by reducing the number of steps involved and improving the percentage yield employing organic chemistry background• Synthesized fluorescent organic compounds based on heteroatoms such as Si, P, S, Ge, and Sn using multi-step syntheses including alkylation, halogenation, formylation, grignard/ witting reaction(s), lithiation, silylation, Suzuki coupling and metathesis chemistry • Purified the products using thin layer chromatography, liquid column chromatography, HPLC, Prep-LC, extraction, and recrystallization • Elucidated chemical structures of products and impurities using a combination of techniques including GC-MS, LC-MS, FTIR, and NMR spectroscopy 2) Synthesis and characterization of conjugated polymers: structure-property study • Applied computational approach (DFT calculations) to design the donor-acceptor conjugated polymers and predicted their absorption transitions, HOMO-LUMO levels and the band gap • Developed a novel synthetic route to access oraganosilicon polymers using acyclic diene metathesis in a unified approach • Synthesized conjugated polymers via free radical and metathesis polymerization and controlled radical polymerizations• Characterized the polymers via 1-D and 2-D NMR, MALDI-TOF, UV-Vis, and Fluorescence spectroscopy, DSC, TGA, SEM, TEM, Viscometer and X-ray diffraction • Investigated the role of heterocyclic aromatic segments in determining polymer properties such as absorption, emission, solubility, glass transition and melting temperature, thermal stability, and processability

• Organized group meetings of laboratory instructors and built course policies for organic laboratory courses • Used the demonstrations and visual tools during teaching • Built an interactive connection between the lecture and the laboratory • Trained undergraduate students to carry out experiments safely and efficiently• Evaluated highly by students for stimulating independent thinking and for demonstrating an interest in them• Excellent internal evaluation reports