Scientific Publications

April 21, 2019

African Herbal Remedies with Antioxidant Activity: A potential Resource Base for Wound Treatment

Authors: M Gulumian, ES Yahaya and V Steenkamp Source: Evidence-Based Complementary and Alternative Medicine. Vol 2018, Article ID 4089541. Summary: The use of traditional herbal remedies as alternative medicine plays an important role in Africa since it forms part of primary health care for treatment of various medical conditions, including wounds. Although physiological levels of free radicals are essential to the healing process, they are known to partly contribute to wound chronicity when in excess. Consequently, antioxidant therapy has been […]
April 21, 2019

Exploring the South African legacy of asbestos using routinely collected data

Authors: T Vorster, N Kgokong, JI Phillips Source: Occupational Health Southern Africa. Vol 24 No. 5 September/October 2018 Summary: Background: Despite the banning of asbestos in South Africa in 2008, potential exposure to asbestos remains a national problem. Identifying asbestos in structures and monitoring the air are crucial activities when demolition/renovation work is being conducted. The National Institute for Occupational Health (NIOH) provides a service to analyse bulk samples and air filters for the presence of asbestos fibres. Details of […]
April 21, 2019

Introducing a new standardized nanomaterial environmental toxicity screening testing procedure, ISO/TS 20787: Aquatic toxicity assessment of manufactured nanomaterials in saltwater lakes using Artemia sp. nauplii

Authors: SA Johari, K Rasmussen, M Gulumian, M Ghazi-Khansari, N Tetarazako, et al. Source: Toxicology Mechanisms and Methods, DOI: 10.1080/15376516.2018.1512695 https://doi.org/10.1080/15376516.2018.1512695 Summary: This paper introduces a new standardized testing procedure for nanomaterial environmental toxicity (International Organization for Standardization/Technical Specification (ISO/TS) 20787): “aquatic toxicity assessment of manufactured nanomaterials in saltwater lakes using Artemia sp. nauplii” intended to generate more reliable and repeatable aquatic toxicity data testing manufactured nanomaterials, using Artemia sp., to evaluate their possible ecotoxicity in saltwater lake ecosystems. The […]
April 16, 2019

Environmental exposure to asbestos fibres before and after removing asbestos cement roofs from two townships in Gauteng

Authors: GE Mizan, JI Phillips and T Nthoke Source: Occupational Health Southern Africa. Vol 24 No.5 Sept/October 2018 Summary: Background: Despite the banning of asbestos in 2008, South Africa has a legacy of asbestos-containing materials (ACMs) extant in the environment. The number of asbestos cement (AC) roofs in the residential and industrial sectors is unknown but, in the low-cost housing sector alone, it is estimated that there are over one million. Eventually, these roofs will need to be replaced, using […]
April 8, 2019

Occupational contact urticarial and early-onset work-related asthma in a latex-allergic woodworker exposed to obeche wood

Authors: D Ngajilo, T Singh, E Ratshikhopha, M Jeebhay Source: Current Allergy & Clinical Immunology. December 2018 Vol 31, No4 Summary: Exposure to wood dust has been shown to cause allergic skin and respiratory symptoms in woodworkers. We describe a case of a 53-year-old latex-allergic woodworker presenting with work-related contact urticarial and subsequent upper and lower symptoms associated with obeche wood (Triplochiton scleroxylon) exposure. Clinical evaluation of the patient was suggestive of an early-onset, work-related asthma and latex allergy with […]