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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

Prof Johan Spies learns about much more than genetics in Argentina
2014-04-23


People who attended the course enjoyed Argentina and its traditions very much.

Prof Johan Spies from the Department of Genetics visited Argentina, where he and Dr Carlos Acuna (Universidad Nacional del Nordeste, Corrientes, Argentina) presented a course for doctoral students and staff of Cerzos-Conicet Bahia Blanca (something like the equivalent of South Africa’s NRF) and Universidad Nacional del Sur, Bahia Blanca. Prof Spies presented chromosomal evolution and its effect on fertility, while Dr Acuna took care of apomixis.

Bahia Blanca is a city with a population of almost the same as that of Bloemfontein. The city lies at the mouth of the Naposta River, which almost forms a delta where it flows into the sea. Bahia Blanca (white bay) derives its name from the salt deposits that lends a white colour to the beaches.

The people are very friendly and one soon learns to extend a long arm in greeting. Otherwise you are stuck with an ‘Ola’ while men and women alike will grab even a complete stranger to plant a kiss on your cheek. For people who places great value on personal space, this friendly gesture is not always as welcome!

Barbeque is a choice dish and is usually in the form of beef rib. “It was great (especially if you shut your eyes and ignore the scrumptious fat and future heart attacks)! With the rib they usually had blood sausage and very tasty pork sausage on the grid. Everywhere people are sipping, through a silver straw, their ‘mate’ (pronounce maty), a type of tea made from the leaves and stems of Yerba paraguariensis. It is generally drunk from a special calabash ‘cup’ through a silver straw, which also serves as sift to keep the leaves from your mouth. The calabash is usually passed from one person to another, with each person taking a sip from the brew!  It is even passed around in class!  Another thing in conflict with the upbringing I received from my mother (as is the cup at communion)!,” says Prof Spies.

“My short visit also taught me that the Argentinians are a proud nation that often faced adversity in the past. Nevertheless, they do not try to change their past. Street names even refer to dates from their past when, for example, they were attacked by England (in 1807). Only the almost 30 000 people who disappeared under the military regime, are rarely talked about!,” says Prof Spies.

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