Senior Scientist - Forensic Toxicologist
Current
Jul 2021 - Present
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Ja Van Zyl Email & Phone Number
Senior Scientist - Forensic Toxicologist at ESR – Science and Research
at
ESR – Science and Research
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Role
Senior Scientist - Forensic Toxicologist at ESR – Science and Research
Location
New Zealand
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Ja Van Zyl is listed as Senior Scientist - Forensic Toxicologist at ESR – Science and Research at ESR – Science and Research, based in New Zealand. AeroLeads shows a matched LinkedIn profile for Ja Van Zyl.
Ja Van Zyl previously worked as Senior Scientist - Forensic Toxicologist at Esr – Science And Research and Scientist at Eurofins Biopharma Product Testing Ireland Ltd. Ja Van Zyl holds Graduate Certificate In Forensic Toxicology, Forensic Toxicology, 3.40 Gpa from University Of Florida.
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About Ja Van Zyl
I am an Analytical Chemist / Forensic Toxicologist with over 20 years’ experience gained within Government / health, pharmaceutical, chemical and crime services. My instrumental experience includes Mass Spectrometry [LC-MS/MS, GC-TOF-MS, ICP-MS, GC-MS and High Resolution Accurate Mass LC-MS/MS (QTOF and Orbitrap)], High Performance Liquid Chromatography (HPLC-DAD/PDA) / Gas Chromatography (GC-FID/NPD) and Spectroscopy ( FTIR and UV-Vis).Notable Forensic Toxicology cases I have worked on are: The Griekwastad Murders , Mogamat Taariq Jacobs murder (Zulfa Jacobs) , Charmaine Mare murder (Johannes Christiaan de Jager) , Johan Kieser murder , Robin Kemper murder , Dr. Anrich Burger assisted suicide, Richard Holland assisted suicide, Rawsonville murder , former African Bank CEO's (Tami Sokutu) death, The De Zalze (Van Breda) Murders, Zanele Moyo inquest, Hout bay twins murder and the Mario-César Deus Yela suicide, Camps Bay murder (Gabriela Kabrins Alban) /Diego Novella , Reshall Jimmy inquest, Spier murder (Susan Rohde) , Samora Machel poisoned chicken deaths, Langa ‘poisoned’ vetkoek deaths, Hannah Cornelius murder, Courtney Pieters murder, Stacey Adams murder and the Uyinene Mrwetyana murder.
Listed skills include Analytical Chemistry, Mass Spectrometry, Lc Ms, Lc Hrms, and 31 others.
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9 roles
Ja Van Zyl work experience
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Dec 2020 - May 2021
Chief Forensic Analyst
National Department Of Health - Forensic Chemistry Laboratory
▪Qualitative and quantitative screening of biological tissues (human viscera) and body fluid samples (blood, eye fluid, bile , urine and stomach contents) for toxic substances (drugs of abuse & pharmaceutical drugs)/poisons (pesticides, herbicides, rodenticides & metals), including alcohol using Thermo Scientific Q-Exactive Plus Orbitrap LC-MS/MS (DIONEX Ultimate 3000 HPLC), Shimadzu 8045 LC-MS/MS (Shimadzu LC-40D X3 UHPLC & Nexera X2 UHPLC), AB Sciex 3200 QTRAP LC-MS/MS (Agilent 1100 HPLC &… Show more ▪Qualitative and quantitative screening of biological tissues (human viscera) and body fluid samples (blood, eye fluid, bile , urine and stomach contents) for toxic substances (drugs of abuse & pharmaceutical drugs)/poisons (pesticides, herbicides, rodenticides & metals), including alcohol using Thermo Scientific Q-Exactive Plus Orbitrap LC-MS/MS (DIONEX Ultimate 3000 HPLC), Shimadzu 8045 LC-MS/MS (Shimadzu LC-40D X3 UHPLC & Nexera X2 UHPLC), AB Sciex 3200 QTRAP LC-MS/MS (Agilent 1100 HPLC & Shimadzu Prominence UFLC), Agilent 6890/7890 GC- MSD (Agilent 6890N and 7890AGC), Shimadzu QP2020 NX GC-MS(Shimadzu QP2020NX GC), LECO Pegasus HT GC-TOF-MS (Agilent 6890A GC), Thermo Scientific iCAP Q ICP-MS & Shimadzu GC-2010-FID instrumentsStatistical evaluation and interpretation of data and calculation of results ▪Statistical evaluation and interpretation of data and calculation of results ▪Reviewing and issuing of reports, certificates and affidavits ▪Method development ( infusing of new compounds / optimization of source parameters on an AB Sciex 3200 QTRAP LC-MS/MS or Shimadzu 8045 LC-MS/MS to create new MRM’s in LC-MS/MS methods ; as well as Orbitrap methods) and method validation ▪Tuning of Thermo Scientific Q-Exactive Plus Orbitrap LC-MS/MS, AB Sciex 3200 QTRAP LC-MS/MS, Shimadzu 8045 LC-MS/MS, Shimadzu QP2020 NX GC-MS, Agilent GC-MS and Leco GC-TOF-MS instruments.▪Writing of standard operating procedures▪Basic maintenance of certain instrumentation (cleaning Ion Sources for GC–and LC-MS/MS , changing GC columns/liners/septa/gold seals and ESI capillaries)▪Assist with training of new analysts and skills development ( guiding them with analysis techniques Show less
Oct 2011 - Dec 2020
Senior Research Technologist
Screening of medicinal plant extracts and active products on an Agilent 6530 Q-TOF HRAM-LC-MS/MSTrace analysis of hair , nail and other samples , on a Thermo Finnigan MAT LCQ LC- MS/MS, to determine trace mycotoxin (Fumonisin B1 and Beauvericin) levels in itContract analysis of samples from interns or universities Contract analysis of samples containing mycotoxins on LC-MS Solid Phase Extraction (SPE) of hair, nail and other samples for analysis on the LC-MS
Feb 2007 - Sep 2011
Forensic Analyst
National Department Of Health - Forensic Chemistry Laboratory
Analysis of biological samples like blood and urine to determine its ethanol content or to confirm and quantify narcotics and/or pharmaceutical drugs in it using GC-MS/NPD and HPLC/DAD
Aug 2006 - Jan 2007
Assistant Forensic Chemist
South African Police Service - Forensic Chemistry Laboratory
Evaluation/tuning/ performance checks and maintenance of Agilent 6890 / 7890 GC- MSD instruments, evaluation and performance checks of HP 1100, the calibration of FTIR instrument and the development of methods Analysis of exhibit materials, narcotic drugs and confiscated pharmaceutical products using GC-MS ,HPLC-DAD/FLD and FTIR instruments The investigation of crime scenes and clandestine laboratories Compiling dockets/reports for the courts Where required, to give evidence in… Show more Evaluation/tuning/ performance checks and maintenance of Agilent 6890 / 7890 GC- MSD instruments, evaluation and performance checks of HP 1100, the calibration of FTIR instrument and the development of methods Analysis of exhibit materials, narcotic drugs and confiscated pharmaceutical products using GC-MS ,HPLC-DAD/FLD and FTIR instruments The investigation of crime scenes and clandestine laboratories Compiling dockets/reports for the courts Where required, to give evidence in court as an expert witness Show less
Mar 2005 - Jul 2006
R&D / Stability Analyst
Pharma Natura
Stability testing of Finished Products (Homeopathies/Vitamin Supplements)Investigation of Product failures and customer queries Testing of Raw Materials, Intermediates/Development batches and Finished productsThe development of test methods for Raw Materials/In-Process/Finished GoodsCompilation of reports relating to method verification, validation and investigations Calibration of instrumentation and maintenance
Oct 2003 - Feb 2005
Quality Control Laboratory Analyst
Analytical support to R&D and new product developmentAnalytical support to non-routine product investigationsThe development of test methods for Raw Materials/In-Process/Finished GoodsTesting of Raw , Intermediate and Finished productsStability testing of Finished Goods (active pharmaceutical ingredients)Compilation of reports relating to method verification, validation and investigationsContinuous/routine in-process testing of active pharmaceutical ingredients from… Show more Analytical support to R&D and new product developmentAnalytical support to non-routine product investigationsThe development of test methods for Raw Materials/In-Process/Finished GoodsTesting of Raw , Intermediate and Finished productsStability testing of Finished Goods (active pharmaceutical ingredients)Compilation of reports relating to method verification, validation and investigationsContinuous/routine in-process testing of active pharmaceutical ingredients from productionAnalytical support to Raw Materials and Finished Goods testingPreparation of reagents and / or standards as required, on a daily basis, for analysisInvestigation of method changes and failing results in In-ProcessLiaison with Production to improve the quality of the products produced and to ensure that products are sampled correctly for testingThe validation of cleaning methods and procedures (“swabbing”) Show less
Jul 2000 - Oct 2003
Laboratory Assistant
Training students on various types of instrumentation including: HPLC’s, GC’s, DSC, IR/FTIR, AAS , UV-VIS , Polarograph and Auto-titratorDemonstration of correct usage of instrumentation & calibration methodsPreparation of stock solutions/samples, maintenance and repair of instrumentation
Jan 1999 - Dec 1999
3 education records
Ja Van Zyl education
Graduate Certificate In Forensic Toxicology, Forensic Toxicology, 3.40 Gpa
University Of Florida
Baccalaureus Technologiae, Pharmaceutical Sciences
Tshwane University Of Technology
National Diploma, Analytical Chemistry
FAQ
Frequently asked questions about Ja Van Zyl
Quick answers generated from the profile data available on this page.
What company does Ja Van Zyl work for?
Ja Van Zyl works for ESR – Science and Research.
What is Ja Van Zyl's role at ESR – Science and Research?
Ja Van Zyl is listed as Senior Scientist - Forensic Toxicologist at ESR – Science and Research at ESR – Science and Research.
Where is Ja Van Zyl based?
Ja Van Zyl is based in New Zealand while working with ESR – Science and Research.
What companies has Ja Van Zyl worked for?
Ja Van Zyl has worked for Esr – Science And Research, Eurofins Biopharma Product Testing Ireland Ltd, National Department Of Health - Forensic Chemistry Laboratory, South African Medical Research Council, and South African Police Service - Forensic Chemistry Laboratory.
How can I contact Ja Van Zyl?
You can use AeroLeads to view verified contact signals for Ja Van Zyl at ESR – Science and Research, including work email, phone, and LinkedIn data when available.
What schools did Ja Van Zyl attend?
Ja Van Zyl holds Graduate Certificate In Forensic Toxicology, Forensic Toxicology, 3.40 Gpa from University Of Florida.
What skills is Ja Van Zyl known for?
Ja Van Zyl is listed with skills including Analytical Chemistry, Mass Spectrometry, Lc Ms, Lc Hrms, Gc Ms, Forensic Toxicology, Toxicology, and Forensic Analysis.
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