Nhlabathi kaRADEBE

Analytical Laboratory Analyst with a BSc Honours in Forensic Science and practical experience in ISO/IEC 17025-accredited and GMP-regulated laboratories. Skilled in pesticide-residue, pharmaceutical and forensic toxicology workflows, including sample preparation, instrument operation, data review, method development, validation and verification. Hands-on experience with LC-MS/MS, GC-MS/MS, HPLC, GC-FID, AAS, FT-IR, UV-Vis and Karl Fischer titration, supported by disciplined documentation, quality-control and regulatory-compliance practices.

Junior Analyst at Mérieux NutriSciences (Hortec) (2026-03 – Present)

• Prepare standards, stock solutions and working solutions for routine sample analysis.
• Perform chemical extraction of raw materials and other samples for pesticide-residue testing.
• Operate and troubleshoot SCIEX 4500 and SCIEX 7500 LC-MS/MS systems.
• Follow approved LC-MS/MS maintenance procedures and support reliable instrument performance.
• Analyse Multiresidue, PolarPest, Guazatine, Patulin and Glyphosate methods using LC-MS/MS.
• Review and report analytical results within required turnaround times and customer service agreements.
• Capture sample and analytical information accurately in the HASS laboratory system.
• Maintain complete electronic and hard-copy audit trails in collaboration with laboratory and quality management.
• Work in accordance with ISO/IEC 17025 requirements, work instructions and relevant laboratory guidelines.
• Identify quality-system or procedural deviations and initiate appropriate corrective action.
• Maintain reagent and consumable stock-control procedures.
• Execute good-housekeeping and health-and-safety systems and assist with sample preparation when required.
• Conduct literature searches on new analytical methods and techniques when required.

Product Development Chemist at Nautilus Pharma (2025-08 – 2026-02)

• Tested raw materials, trial batches, finished products and stability samples.
• Analysed tablets, capsules, oils, syrups and powders in accordance with approved pharmaceutical standards.
• Conducted laboratory testing in accordance with SOPs, GMP, GLP and GDP requirements.
• Operated and maintained HPLC, GC-FID, AAS, FT-IR, UV-Vis and Karl Fischer instrumentation.
• Supported instrument troubleshooting, routine maintenance and verification activities.
• Developed and optimised new and existing analytical methods against defined specifications.
• Performed analytical method validation and verification and evaluated method performance.
• Compiled method-development, optimisation, verification and validation protocols and reports.
• Prepared detailed raw-data records and scientific reports for completed testing.
• Drafted stability-study protocols and prepared stability summary reports.
• Drafted and revised analytical protocols and Standard Operating Procedures.
• Trained QC analysts on newly developed analytical methods.
• Tracked instruments due for servicing and calibration and liaised with responsible personnel.
• Maintained laboratory cleanliness, safe waste disposal and laboratory gas-cylinder control.

Laboratory Intern at South African Doping Control Laboratory (2024-02 – 2025-07)

• Registered and processed blood and urine specimens in the Laboratory Information Management System (LIMS).
• Prepared blood and urine samples for drug analysis in accordance with approved SOPs.
• Performed dilute-and-shoot, free-fraction solid-phase extraction and liquid-liquid extraction.
• Analysed prepared samples using GC-MS/MS and LC-MS/MS instrumentation.
• Conducted qualitative and quantitative data analysis using MassHunter, ChemStation and OpenLab.
• Compiled scientific reports and documented analytical results in accordance with laboratory requirements.
• Performed routine maintenance on GC-MS/MS and LC-MS/MS systems and supporting laboratory equipment.
• Maintained pH meters, balances, centrifuges, fume hoods, ovens and heating blocks.
• Completed and reviewed QC charts to support ongoing quality monitoring.
• Supported analytical method development, validation and verification activities.
• Prepared stock, method and working solutions and assisted with reference-standard inventory and ordering.

Student Laboratory Assistant at University of the Free State (2023 – 2023)

• Assisted with the preparation and delivery of undergraduate laboratory practical sessions.
• Supported students with safe laboratory procedures, practical activities and orderly work areas.

Supervisor / Data Capturer - Census 2022 at Statistics South Africa (2022 – 2022)

• Supported census field and data-capture activities while maintaining accurate, complete records.
• Supervised assigned activities and assisted with data checking, capture and administrative coordination.

BSc Honours in Forensic Science – University of the Free State (2023)

BSc in Forensic Science and Chemistry – University of the Free State (2022)

National Senior Certificate in Grade 12 – Manthatisi High School (2017)