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UFS Department of Chemistry to bring relief to many with invention of reusable sanitary pads

26 April 2023 | Story Leonie Bolleurs | Photo Leonie Bolleurs

A new reusable sanitary pad (RSP) will bring relief to many women during their menstrual cycle.

Dr Marietjie Schutte-Smith, Senior Lecturer in the University of the Free State (UFS) Department of Chemistry, together with Prof Deon Visser, Head of the Department of Chemistry, and Prof Lizette Erasmus, Associate Professor in the same department, are leading a diverse team that decided 18 months ago to do something about the challenge of not having access to conventional sanitary ware and water due to poverty and infrastructure challenges – a challenge many young women in South Africa face every month.

The team included Prof Katinka de Wet, Associate Professor in the Department of Sociology, in this process in an effort to gain a better understanding of the current perceptions, experiences, and preferences of those who will ultimately use these sanitary products.

“We wanted to do research that has a direct and tangible impact on our immediate society,” says Prof Erasmus.

New technology

The research team turned their focus to reusable sanitary pads (RSPs), specifically the invention of a product that can be cleaned without being exposed to direct sunlight.

Dr Schutte-Smith explains that most RSPs must be exposed to direct sunlight to dry and prevent bacterial growth. “Exposing RSPs to sunlight is challenging for users residing in densely populated areas, besides the fact that many people find the public display of sanitary products embarrassing.”

She believes a product that can be washed and left indoors to dry, one that has antibacterial and antimicrobial properties under normal light conditions, and with durable superabsorbent inner layers, could alleviate some of these challenges.

The team then started working on technology including nanoparticles (NPs) that affix to textiles and will kill germs and fungi when exposed to normal light.

Prof Erasmus says, “Attaching NPs to materials is not a new concept, however, the use of nanoparticles that are activated by normal light conditions is new… Also, we have synthesised several absorbent materials using natural fibres and biopolymers as the main constituents. This is an ongoing process to enhance their absorbent properties and durability so that they can be included in our product.”

We wanted to do research that has a direct and tangible impact on our immediate society. – Prof Lizette Erasmus

She adds that when the RSPs are eventually discarded (after four to five years) they will break down in the environment and not contribute further to the plastic waste problem the world is facing. Most disposable sanitary pads (DSPs) are not environmentally friendly and take 500 to 800 years to decompose.

Dr Schutte-Smith goes on to explain that the sanitary ware will be manufactured by sewing different layers together. “The outer lower layer will consist of a hydrophobic (fluid-repellent) layer to prevent leaking, and the inner layer will consist of the synthesised and biodegradable superabsorbent polymer (SAP).”

The product will be mixed into cotton and will be removable (for better cleaning). “It will also contain NPs that use natural indoor light to disinfect. The top layer also contains our nanotechnology and will relay fluids to the absorbent inner layer.”

Social implications

Besides the important work being done by chemists to incorporate technology that will ensure the product makes sense scientifically, it is also important that the experiences, perceptions, and ideas of end users are kept in mind.

Prof De Wet says social scientists were included in the design and development of this product to ensure that the actual needs of the end users are taken into consideration. The idea is to collaborate with school learners and university students to get their feedback on the development and eventual use of these newly developed RSPs.

“The aim, therefore, is to sensitise menstruating individuals as to the possible personal advantages of using reusable sanitary pads, including that it is less expensive in the long run, thus eliminating the problem of access to quality and reliable sanitary ware. There could even be some potential health advantages to using such products, as current disposable products contain phthalates that have been shown to have adverse health effects on individuals,” she states.

Prof De Wet also points out the environmental benefits of using reusable sanitary products, and the importance of sensitising young people to the environmental costs of single-use plastic consumption, of which sanitary ware is a major contributor. “Environmental consciousness is part of the social side of the project, given the pressures globally on the human-induced impact on our planet, and its devastating consequences,” she says. “We want the science (chemistry) to have a real social impact in people’s lives individually, socially, and environmentally.”

Future steps

According to Prof Visser, the team already has a prototype in place, which now needs to be perfected through inputs from end users. They hope to have an industry partner within the next six months that will help to get this product on the market.

The team of chemists worked hard to develop a product that will have the potential to change many lives for the better, allowing young girls and women to thrive in life.

News Archive

UFS awards honorary doctorates during its centenary week

2004-10-07

The University of the Free State (UFS) will award 12 honorary doctorates on Thursday 14 October 2004 to a diverse group of outstanding South Africans and international experts.

This will be the last in a group of 18 honorary doctorates that the UFS will be awarding in its centenary year.

The awards comprise of a number of well-known language experts and writers, experts in higher education, first-time awards in community service and development studies, as well as music.

“This reflects quality and also diversity, a spectrum of convictions as well as the recognition of persons who played a major role in changing society in the last couple of decades, “ says Prof Frederick Fourie, Rector and Vice-Chancellor of the UFS.

The awards can be grouped in the following categories:

Language and literature:

Mr Karel Schoeman (D Litt (hc)) – well-known Afrikaans author and former student of the UFS. Some of the awards he has received include the Hertzog prize for prose (1970, 1986 and 1995), the CNA prize (1972 and 1994), the Old Mutual prize (1985 and 1991), the SABC prize for best television drama in 1990, the M Net book prize in 1997 and the State President award (former President Nelson Mandela: Order for Excellent Service – silver) in 1999. It is an honor for the UFS to have this gifted and creative person among its former students. This conferment is a fitting recognition of his status as leading South African writer.

Ms Antjie Krog (D Litt (hc)) – well-known South African poet and former student of the UFS. Her popularity as poet is evident in her piercing honesty and unequalled power of expression. Some of the awards she has received include the Eugéne Marais prize in 1973, the Rapport prize in 1987, the Hertzog prize in 1990 and the RAU prize in 2000. Her writing has been translated into seven languages. She has also received numerous honors for her involvement in and journalistic documentation of the Truth and Reconciliation Commission’s (TRC) proceedings. It is therefore an exceptional privilege for her alma mater to honor her with an honorary doctorate.

Prof Jaap Steyn (D Litt (et phil) (hc)) – recently, Prof Steyn again distinguished himself as biographer whose thorough research is apparent in the published biographies of illustrious writers such as NP van Wyk Louw and MER. The numerous awards, among which the Stals prize from the South African Academy of Science and Art for the Van Wyk publication, are a matter of record. He conducted the research for this great prize-winning work as honorary professor at the UFS.

Prof Jakes Gerwel (D Phil (hc)) – Chancellor of the University of Rhodes and Director of Naspers, Old Mutual, Gold Fields and Brimstone. His doctoral thesis was published in The Netherlands under the title Literatuur en apartheid. Konsepsies van “gekleurdes” in die Afrikaanse roman tot 1948 (1983). He received an honorary doctorate from Clark College ( Atlanta), the City University of New York and Missouri in the USA, the University of the Western Cape, the University of Cape Town, the University of Natal, Rhodes University, the University of Stellenbosch and the University of the Witwatersrand. He is also outstanding professor in the Humanities at the University of the Western Cape, honorary professor in the Humanities at the University of Pretoria, and was the chairman of the Human Sciences Research Council (HSRC).

Development Studies:

Dr Frederick van Zyl Slabbert (D Phil (hc)) – for his academic achievements, his endeavors for bringing about a peaceful transition in South Africa and his demonstration of the social investment role of the corporate sector. Dr Van Zyl Slabbert has received honorary degrees from the University of Natal and the Simon Fraser University in Canada. He has published seven books and various academic articles.

Community Service:

Prof Robert G Bringle (D Phil (hc)) – from the Indiana University-Purdue University Indianapolis (IUPUI) in the USA. He is currently Chancellor’s Professor of Psychology and Philanthropic Studies at the IUPUI and also Director of the IUPUI’s Centre for Service Learning. He is honored for his exceptional contribution to several of the UFS’s community service projects as well as his role in the advancement of a multi- and inter-disciplinary approach to academic development and the integration of service learning within the faculties of the UFS. He has also made a valuable contribution to the conceptual framework of the UFS’s unique community service policy and more recently to the advancement of a research culture regarding community service.

Higher education:

Dr Khotso Mokhele (D Phil (hc)), President of the National Research Foundation (NRF) is honored for his contribution to the South African higher education sector. He has also made a substantial contribution to the development of the research capacity of universities and technikons in South Africa. Dr Mokhele was born in Bloemfontein and matriculated at the Moroka High School in Thaba Nchu.

Prof Saleem Badat (D Phil (hc)), the Chief Executive Officer of the Council on Higher Education (CHE). Prof Badat has devoted himself to transforming and building South African higher education, and has constantly challenged the higher education sector to retain the moral basis of higher education and tackle its challenges with intellectual honesty, ingenuity, creativity and courage. He is honored for his intellectual leadership in the development of a equitable, just and quality higher education system in South Africa.

Law:

Prof HA (Boelie) Wessels (D Legum (hc)) – for his contribution to the fields of Roman Law, Legal History at the UFS. He is currently a part-time lecturer at the UFS’s Faculty of Law.

Medicine:

Prof CJC Nel (D Phil (hc) Posthumous) – for the way in which he strived for the advancement of excellent medical education in the country. Prof Nel also did pioneering work in the field of transformation in higher education. Under his guidance the School of Medicine at the UFS became one of the first medical schools to adopt a parallel-medium system of instruction.

Music:

Prof Leo Quayle (D Mus (hc)) – for the significant contributions he has made to the development of music – not only in Bloemfontein, but also on national level and abroad. His initiative, enthusiasm and dedication contributed to the eventual founding of the Free State Musicon, as well as the first symphony orchestra and the first string quartet in Bloemfontein. Prof Quayle is a former head of the Department of Music at the UFS.

Prof Jack de Wet (D Mus (hc)) – well-known for his exceptional contribution to violin tuition in South Africa. As pedagogue of international stature, he still moulds violinists who compete at national and international level. At an advanced stage of his career, he still actively conveys his knowledge, experience and distinctive insight in his field of speciality to yet another new generation of young violin teachers. Today the symphony orchestras in Bloemfontein and Port Elizabeth also stand on the foundations laid by him.

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
7 October 2004

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