Latest News Archive

Please select Category, Year, and then Month to display items
Previous Archive
13 May 2022 | Story Alicia Pienaar
Prof Vetrik
Prof Tomas Vetrik.

The Dean of the Faculty of Natural and Agricultural Sciences, Prof Danie Vermeulen, has the pleasure of inviting you to the inaugural lecture of Prof Tomas Vetrik. 

Topic: Extremal graph theory 

Event Details:
Date: 19 May 2022
Time: 17:30
Venue: Equitas Auditorium, UFS Bloemfontein Campus

RSVP:  Ms Marinda Venter on +27 51 401 2691 or email: VenterSM@ufs.ac.za  on or before Tuesday 17 May 2022.

Light refreshments will be served after the inaugural lecture. 


More about the speaker:

Tomas Vetrik received two scholarships from foreign countries during his PhD study. He spent one semester of his PhD study at the Vienna University of Technology in Austria, and two semesters at the Technion – Israel Institute of Technology. He was the only postgraduate student from Slovakia to receive a scholarship from the Israeli government in 2006. Tomas Vetrik joined the University of the Free State in 2014, after his postdoctoral research at the University of KwaZulu-Natal and working at the UniversityPretoria. His research area is graph theory. He is mainly focusing on the degree-diameter problem, graph indices, and metric dimension of graphs. He is an NRF-rated researcher and has produced about 75 research papers (approximately 25 of them as a single author).

Three PhD students and three MSc students have completed their studies under his supervision. He has presented seminar talks at 24 universities from 15 different countries. Please take note of our COVID-19 health and safety protocols (https://www.ufs.ac.za/return-to-campus ) when visiting the UFS campuses.


Please take note of our COVID-19 health and safety protocols (https://www.ufs.ac.za/return-to-campus ) when visiting the UFS campuses. 

News Archive

The impact of personal care products on water resources in the Free State
2015-12-14

Jou-an Chen
Photo: Charl Devenish

Water is of the utmost importance in personal hygiene. Most people can hardly have a day go by without taking a shower in the morning and at night. However, it is this very habit that is increasingly polluting the water resources in South Africa.

Contaminants found in pharmaceutical and personal care products have been accumulating in water masses in recent years. These contaminants especially refer to hormones in medication, as well as colouring agents and fragrances used in soap, shampoo and body lotions.

“Little information and data are available on the prevalence of these contaminants, and on how high the level of pollution really is,” says Jou-an Chen, researcher in the Department of Microbial, Biochemical and Food Biotechnology at the UFS.

Her research particularly focuses on the prevalence and impact of those contaminants.

“Because these substances have not been properly investigated, we are not sure how widely it occurs and whether it is harmful to the environment. It was precisely the lack of information that has inspired me to investigate further.”

“If we could identify the contaminants and what it is doing to the environment, it could make a valuable contribution to directives on water quality standards.”


We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept