Mayukh Sur

Analytical chemistry and forensic toxicology professional with hands-on experience operating LC-HRMS, LC-MS/MS, HPLC and GC-MS. Developed and optimized sample-preparation workflows using LLE, SPE, SLE and SPME for complex matrices, including a PAN-HLB microextraction method for multi-class WADA-prohibited substance analysis in whey protein supplements. Experienced in method validation, chromatographic and mass-spectral data interpretation, trace level analysis, analytical troubleshooting and regulated laboratory documentation.

Research & Analytical Laboratory Experience - National Dope Testing Laboratory (NDTL)

(2025-08 - 2026-08)

• Developed a PAN-HLB coated cellulose paper disc-based SPME approach for extraction of WADA-prohibited substances from whey protein matrices, integrating sorbent-based microextraction with LC-HRMS analysis.
• Operated Thermo Fisher and Waters LC-HRMS/LC-MS/MS platforms for qualitative and trace-level multi-class analysis and interpreted chromatographic and mass-spectral data.
• Applied LLE, SPE, SLE and SPME workflows for extraction, clean-up and enrichment of analytes from complex matrices
• Supported analytical method validation and performance assessment involving selectivity, precision, recovery, matrix effects, carryover, LOD and MRPL-related requirements.
• Applied WADA technical requirements, analytical documentation practices and result interpretation within a WADA accredited anti-doping laboratory environment.

Chemistry, Toxicology & NDPS Laboratory Training - State Forensic Science Laboratory, New Delhi - New Delhi

(2025-01 - 2025-04)

• Performed HPLC quantitative analysis of morphine in forensic case samples under supervised laboratory conditions
• Applied colour tests, TLC and LLE for preliminary drug screening and toxicology sample preparation.
• Performed practical GC-MS analysis for NDPS case samples and interpreted chromatograms and mass spectra for drug identification.

Forensic Biology & Serology Laboratory Training - State Forensic Science Laboratory, New Delhi - New Delhi

(2023-05 - 2023-06)

• Performed DNA extraction and sample preparation using Qiagen Kits for forensic biological exhibits.
• Processed biological evidences using documented laboratory protocols and sample handling procedures.

B.Sc.-M.Sc. - Forensic Science, Integrated Course with Forensic Chemistry and Toxicology Specialisation - National Forensic Sciences University (2021 - 2026) Gandhinagar, Gujarat

AISSCE - 12th standard - Gyan Bharati School (2021 - 2021) Saket, New Delhi