Johan S. Louw

Cape Town, WC 7505, South Africa

Last Updated: 09/26/2026

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Found 100 publications

Aspalathin-Rich Rooibos Tea Extract Regulates Hepatic Lipid Metabolism and Gut Microbiota in High-Fat Diet Fed Mice.

Aspalathin-Rich Rooibos Tea Extract Regulates Hepatic Lipid Metabolism and Gut Microbiota in High-Fat Diet Fed Mice.

Journal: Nutrients

Published: June 22, 2026

One Year of Wastewater Surveillance in South Africa Supporting COVID-19 Clinical Findings Across Two Waves of Infection.

One Year of Wastewater Surveillance in South Africa Supporting COVID-19 Clinical Findings Across Two Waves of Infection.

Journal: Microorganisms

Published: September 10, 2024

Wastewater-based SARS-CoV-2 airport surveillance: key trends at the Cape Town International Airport.

Wastewater-based SARS-CoV-2 airport surveillance: key trends at the Cape Town International Airport.

Journal: Journal of water and health

Published: June 20, 2023

Using Wastewater Surveillance to Compare COVID-19 Outbreaks during the Easter Holidays over a 2-Year Period in Cape Town, South Africa.

Using Wastewater Surveillance to Compare COVID-19 Outbreaks during the Easter Holidays over a 2-Year Period in Cape Town, South Africa.

Journal: Viruses

Published: December 07, 2022

Aspalathin-rich green rooibos tea in combination with glyburide and atorvastatin enhances lipid metabolism in a db/db mouse model.

Aspalathin-rich green rooibos tea in combination with glyburide and atorvastatin enhances lipid metabolism in a db/db mouse model.

Journal: Frontiers in clinical diabetes and healthcare

Published: June 07, 2022

Diagnostic performance of dobutamine stress echocardiography: A South African experience.

Diagnostic performance of dobutamine stress echocardiography: A South African experience.

Journal: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Published: May 31, 2022

Delineating the Spread and Prevalence of SARS-CoV-2 Omicron Sublineages (BA.1-BA.5) and Deltacron Using Wastewater in the Western Cape, South Africa.

Delineating the Spread and Prevalence of SARS-CoV-2 Omicron Sublineages (BA.1-BA.5) and Deltacron Using Wastewater in the Western Cape, South Africa.

Journal: The Journal of infectious diseases

Published: May 24, 2022

In vitro and in vivo hepatotoxicity study of Afriplex™ GRT through an inflammatory response.

In vitro and in vivo hepatotoxicity study of Afriplex™ GRT through an inflammatory response.

Journal: Toxicology reports

Published: December 14, 2021

Intestinal Barrier Function and Immune Homeostasis Are Missing Links in Obesity and Type 2 Diabetes Development.

Intestinal Barrier Function and Immune Homeostasis Are Missing Links in Obesity and Type 2 Diabetes Development.

Journal: Frontiers in endocrinology

Published: December 11, 2021

Tracking the circulating SARS-CoV-2 variant of concern in South Africa using wastewater-based epidemiology.

Tracking the circulating SARS-CoV-2 variant of concern in South Africa using wastewater-based epidemiology.

Journal: Scientific reports

Published: October 18, 2021

Spatial and Temporal Trends of SARS-CoV-2 RNA from Wastewater Treatment Plants over 6 Weeks in Cape Town, South Africa.

Spatial and Temporal Trends of SARS-CoV-2 RNA from Wastewater Treatment Plants over 6 Weeks in Cape Town, South Africa.

Journal: International journal of environmental research and public health

Published: August 05, 2021

COVID-19 vaccine roll-out in South Africa: The added value of wastewater surveillance for SARS-CoV-2.

COVID-19 vaccine roll-out in South Africa: The added value of wastewater surveillance for SARS-CoV-2.

Journal: South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde

Published: May 31, 2021

Showing 1-12 of 100

Last Updated: 09/26/2026