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List of works by Johan du Plessis

Assessment of dermal exposure and skin condition of workers exposed to nickel at a South African base metal refinery

scientific article

Collection of venom from southern African scorpions

scientific article published in April 2005

Determination of species-specific components in the venom of Parabuthus scorpions from southern Africa using matrix-assisted laser desorption time-of-flight mass spectrometry

scientific article

Diffuse Reflectance Spectroscopy Versus Mexameter(®) MX18 Measurements of Melanin and Erythema in an African Population

scientific article

Fitzpatrick Skin Type, Individual Typology Angle, and Melanin Index in an African Population: Steps Toward Universally Applicable Skin Photosensitivity Assessments

scientific article published on 29 April 2015

Flow cytometric analysis of the oxidative status in human peripheral blood mononuclear cells of workers exposed to welding fumes

scientific article

In multiple situational light settings, visual observation for skin colour assessment is comparable with colorimeter measurement

scientific article published on 8 September 2015

Inflammation as Possible Mediator for the Relationship Between Lung and Arterial Function

scientific article

International guidelines for the in vivo assessment of skin properties in non-clinical settings: part 2. Transepidermal water loss and skin hydration

journal article published in 2013

Lung function, inflammation and cardiovascular mortality in Africans

scientific article published on 7 September 2016

Measurement of transepidermal water loss, stratum corneum hydration and skin surface pH in occupational settings: A review

scientific article published on 20 May 2019

Self-reported skin colour and erythemal sensitivity vs. objectively measured constitutive skin colour in an African population with predominantly dark skin

scientific article

South African and international reference values for lung function and its relationship with blood pressure in Africans

scientific article published on 27 December 2014

Subjective and objective skin colour of a farmworker group in the Limpopo Province, South Africa

scientific article published on 04 July 2020

The evaluation and quantification of respirable coal and silica dust concentrations: a task-based approach

scientific article published in January 2014

The influence of pH on the in vitro permeation of rhodium through human skin

scientific article published on 03 November 2016

Towards a reliable, non-invasive melanin assessment for pigmented skin

scientific article published on 23 May 2018

Transepidermal water loss, stratum corneum hydration, and skin surface pH of female African and Caucasian nursing students

scientific article published on 20 July 2018