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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

UFS academic appointed to prestigious academy (ASSAf)
2014-10-07

Another academic of the University of the Free State (UFS), Prof Jeanet Conradie, professor in Chemistry, was invited as newly elected member of the Academy of Science of South Africa (ASSAf).Science and research, by which new concepts are discovered, is her great passion.

Her PhD degree in Chemistry, together with also a strong background in Physics, Computer Science, Mathematics and Applied Mathematics, influenced Prof Conradie’s choice of research interest and expertise to develop gradually in the direction of computational chemistry, which is a beautiful combination of chemistry and physics.

Computational chemistry uses quantum physical principles and mathematical methods to solve chemistry problems via high-performance computerised calculations. Results obtained can be used to predict and understand the behaviour of atoms and molecules in the real world. Chemical reactions and phenomena that are impossible or too dangerous to study experimentally, can also be studied by computational chemistry. Her research team also does experimental laboratory work to combine and compare with the computational analysis. Based on these results, new materials with specific properties are developed.

The Academy of Science of South Africa (ASSAf) aspires to be the apex organisation for science and scholarship in South Africa, recognised and connected both nationally and internationally. Through its membership which represents the collective voice of the most active scholars in all fields of scholarly enquiry, ASSAf aims to generate evidence-based solutions to national problems.

Prof Corli Witthuhn: Vice-Rector: Research at the UFS said: “The UFS is very proud of Prof Conradie, who is also the first female professor in the Department of Chemistry.  Jeanet is a highly productive researcher publishing in high-impact journals.  She has extensive international networks and collaborations, increasing the impact of her work even more.  We are currently awaiting the outcome of her application for NRF rating and believe that she will receive an excellent rating.”


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