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19 July 2021 | Story Lunga Luthuli | Photo Supplied
Fletcher Hiten, Chief Bioanalyst at FARMOVS, next to Aurora.

The Bioanalytical Services Division (BASD) at FARMOVS comprises a group of skilled and passionate scientists involved in the quantification of drugs, metabolites, and biomarkers in various biological matrices. One of their Analytical Science experts, Fletcher Hiten, explains what sets their team apart from the rest.

“Over the past 47 years, we have developed almost 600 validated assay methods. Most of these methods are for the analysis of ‘small’ molecules using chromatographic techniques such as LC-MS/MS, GC-MS, and HPLC, although LC-MS/MS is the technique of choice. New bioanalytical assays are continuously being development and validated in adherence to international regulatory guidelines set by the US-FDA and European Medicines Agency (EMA),” says Hiten.

“Recently, we decided to enhance our capabilities by recruiting exceptional talent. The newest member of the FARMOVS team is Aurora, a SCIEX Triple Quad™ 7500 LC-MS/MS mass analyser. Aurora is Latin for ‘dawn’: the beginning of a new era, especially one considered favourable. The SCIEX 7500 is currently marketed as the most sensitive triple quadrupole mass spectrometer available, allowing for sub-picogram/ml quantification. This means that Aurora will set FARMOVS apart from other clinical research organisations (CROs), creating an exciting and favourable landscape for clients to explore new partners in research.” 

Hiten stated: “If there was ever a time to move your next study to FARMOVS, it is now. To have Aurora on our team has many advantages, given that our clients can access unprecedented analytical sensitivity, which enables the quantification of pharmacokinetic (PK) profiles of drugs that have very low systemic absorption. These include predominantly local acting drugs, such as plasma concentrations of respiratory drugs (e.g., tiotropium and ipratropium), topically applied creams and ointments, and ophthalmology drops with ultra-sensitivity.”

“In addition, the quantification of drugs in low-volume matrices will also be exponentially enhanced, enabling the quantification of body fluids, where only a few microlitres can be collected, for example vaginal fluid, dried blood spots, cerebrospinal fluid, aqueous humour, synovial fluid, and epidermal micro-dialysis lysate – to name a few. The quantification of absorbed exogenous drugs into tissue, like vaginal biopsies and hair follicles, is also possible,” added Hiten. 

“And finally, multiple analyte analysis. In this case, the collected blood sample needs to be split into multiple aliquots for analysis, for example drug-drug interaction (DDI) studies with the Basel cocktail. The smaller sample volumes will allow more frequent sampling to be feasible and thus more accurate DDI interpretation,” Hiten explains.

“As a bio-analyst, one is seldom surprised. However, Aurora has already opened doors to new frontiers for our entire team and we cannot wait to do some more exploration,” says Hiten. 

To find out more about what Aurora and the FARMOVS team can do for your study, email business@farmovs.com

News Archive

The first female heart surgeon in South Africa is a Kovsie
2014-12-15


Dr Susan Vosloo is South Africa’s first female heart surgeon. She graduated from the University of the Free State (UFS) in 1980.

“Being a Kovsie student brings back great memories. I received great medical training at the UFS and have fond memories of my time at the university,” she says.

Dr Vosloo completed her internship in Pretoria and spent the following year in Critical Care Medicine at Universitas Hospital, Bloemfontein, before starting her surgical training in Johannesburg.

She is currently in independent private practice at the Netcare Christiaan Barnard Memorial Hospital in Cape Town, having also worked from 1998 – 2012 at the Vincent Pallotti Hospital in the same city.

Dr Vosloo maintains close ties with our university and has quite a number of additional roles to that of surgeon:

• member of the Council of the UFS;
• UFS Council Representative in the Senate;
• member of the Standing Advisory Committee of the School of Medicine, UFS;
• Kovsie Alumnus of the Year (1989);
• member of the Provincial Department of Health;
• Africa representative for the Paediatric Cardiac Intensive Care Society; and
• founding member of the World Society for Paediatric and Congenital Heart Surgery.

“I have always been proud of the medical training I received at Kovsies. I have worked and visited many institutions across the world and never felt less qualified. In fact, all the places I have worked and went to had high regard for the training I received and also accepted me in that way.

“I think the Department of Cardiothoracic Surgery at the UFS does some ground-breaking research that the university can truly be proud of,” Dr Vosloo says.

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