Search Results - "Du Plessis, J.L."

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  1. 1

    Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines by Stefaniak, A.B, Johnson, A.R, du Preez, S, Hammond, D.R, Wells, J.R, Ham, J.E, LeBouf, R.F, Martin, S.B. Jr, Duling, M.G, Bowers, L.N, Knepp, A.K, de Beer, D.J, du Plessis, J.L

    ISSN: 2093-7911, 2093-7997
    Published: 2019
    Published in Safety and health at work (2019)
    “…Background: Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There…”
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    Journal Article
  2. 2

    Per capita water consumption for benchmarked South African service levels derived by means of explicit reasoning by Jacobs, HE, Crouch, ML, Ilemobade, A, Du Plessis, JL

    ISSN: 0378-4738, 1816-7950
    Published: Water Research Commission (WRC) 01.04.2022
    Published in Water S. A. (01.04.2022)
    “…Per capita water use is commonly employed in single-parameter models to estimate water demand, especially in regions where model input parameters are limited…”
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    Journal Article
  3. 3

    Insights Into Emissions and Exposures From Use of Industrial-Scale Additive Manufacturing Machines by Stefaniak, A.B., Johnson, A.R., du Preez, S., Hammond, D.R., Wells, J.R., Ham, J.E., LeBouf, R.F., Martin, S.B., Duling, M.G., Bowers, L.N., Knepp, A.K., de Beer, D.J., du Plessis, J.L.

    ISSN: 2093-7911, 2093-7997
    Published: Korea (South) Elsevier B.V 01.06.2019
    Published in Safety and health at work (01.06.2019)
    “…Emerging reports suggest the potential for adverse health effects from exposure to emissions from some additive manufacturing (AM) processes. There is a…”
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    Journal Article
  4. 4

    Baseline adjustment methodology in a shared water savings contract under serious drought conditions by Jacobs, H.E., Du Plessis, J.L., Nel, Nicole, Gugushe, S., Levin, S.

    ISSN: 0378-4738, 1816-7950
    Published: Gezina Water Research Commission (WRC) 01.01.2020
    Published in Water S. A. (01.01.2020)
    “…Baselines are often employed in shared water saving contracts for estimating water savings after some type of intervention by the water service company. An…”
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    Journal Article
  5. 5

    Baseline adjustment methodology in a shared water savings contract during severe water restrictions – a case study in the Western Cape, South Africa by Jacobs, H.E., Du Plessis, J.L., Nel, Nicole, Gugushe, S., Levin, S.

    ISSN: 0378-4738, 1816-7950
    Published: Gezina Water Research Commission (WRC) 01.01.2020
    Published in Water S. A. (01.01.2020)
    “…A novel method for baseline adjustment in a shared water savings contract under serious drought conditions was presented in a companion paper. The newly…”
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    Journal Article
  6. 6

    In vitro permeation of platinum through African and Caucasian skin by Franken, A., Eloff, F.C., du Plessis, J., Badenhorst, C.J., Du Plessis, J.L.

    ISSN: 0378-4274, 1879-3169, 1879-3169
    Published: Netherlands Elsevier Ireland Ltd 03.02.2015
    Published in Toxicology letters (03.02.2015)
    “…•Platinum permeated through intact African skin.•Significantly higher platinum permeation through African skin.•Retention of platinum in the skin is…”
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    Journal Article
  7. 7

    Analysis of water use by gated communities in South Africa by Du Plessis, Jacques, Jacobs, Heinz

    ISSN: 0378-4738, 1816-7950
    Published: Gezina Water Research Commission (WRC) 01.01.2018
    Published in Water S. A. (01.01.2018)
    “…Gated communities (hereafter GCs) are popular in many countries, including South Africa, because added security and lifestyle improvements are offered relative…”
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  8. 8

    Reflections on the OECD guidelines for in vitro skin absorption studies by Hopf, N.B., Champmartin, C., Schenk, L., Berthet, A., Chedik, L., Du Plessis, J.L., Franken, A., Frasch, F., Gaskin, S., Johanson, G., Julander, A., Kasting, G., Kilo, S., Larese Filon, F., Marquet, F., Midander, K., Reale, E., Bunge, A.L.

    ISSN: 0273-2300, 1096-0295, 1096-0295
    Published: Elsevier Inc 01.11.2020
    Published in Regulatory toxicology and pharmacology (01.11.2020)
    “…At the 8th conference of Occupational and Environmental Exposure of the Skin to Chemicals (OEESC) (16–18 September 2019) in Dublin, Ireland, several…”
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  9. 9

    Occupational hygiene-related research in South Africa : development of a research repository by Brouwer, D., Du Plessis, J.L.

    ISSN: 1024-6274, 2226-6097
    Published: Mettamedia (Pty) Ltd 01.01.2016
    Published in Occupational Health Southern Africa (01.01.2016)
    “…In November 2015, a small group of representatives from research, government and industry involved in occupational health (OH) in Gauteng gathered in a meeting…”
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  10. 10

    In vitro permeation of platinum and rhodium through Caucasian skin by Franken, A., Eloff, F.C., Du Plessis, J., Badenhorst, C.J., Jordaan, A., Du Plessis, J.L.

    ISSN: 0887-2333, 1879-3177, 1879-3177
    Published: England Elsevier Ltd 01.12.2014
    Published in Toxicology in vitro (01.12.2014)
    “…•Platinum and rhodium are able to permeate through intact Caucasian skin.•Platinum permeation through the skin is significantly higher than rhodium…”
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  11. 11

    Investigations on the natural and acquired resistance of cattle to artificial infection with Cowdria ruminantium by du Plessis, J L, Bezuidenhout, J D

    ISSN: 1019-9128
    Published: South Africa 01.12.1979
    “…Sixty cattle, artificially immunized against C. ruminantium, were challenged 3, 6, 12 and 24 months later. Levels of conglutinin were determined in…”
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  12. 12

    Titanium powders used in powder bed fusion : their relevance to respiratory health by du Preez, S., De Beer, D.J., Du Plessis, J.L.

    ISSN: 1012-277X, 2224-7890, 2224-7890
    Published: Bedfordview South African Institute of Industrial Engineers (SAIIE) 01.12.2018
    “…This study aimed to characterise three titanium powders used in powder bed fusion in terms of particle size, shape, and elemental composition for comparison…”
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  13. 13

    Performance of selected inhalable aerosol samplers by Van der Merwe, C.J., Eloff, F.C., Du Plessis, J.L., Franken, A., Ramotsehoa, M.C., Laubscher, P.J., Linde, S.J.L.

    ISSN: 1024-6274, 2226-6097
    Published: Mettamedia (Pty) Ltd 01.02.2019
    Published in Occupational Health Southern Africa (01.02.2019)
    “…Background: The collection of a sample that is representative of inhalation exposure relies on the selection of a sampler that is appropriate for the specific…”
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  14. 14

    Solar UV radiation-induced non-melanoma skin cancer as an occupational reportable disease : international experience to inform South Africa by Wright, C.Y., Ramotsehoa, M.C., Du Plessis, J.L., Wittlich, M., Peters, C.E.

    ISSN: 1024-6274, 2226-6097
    Published: Mettamedia (Pty) Ltd 01.07.2017
    Published in Occupational Health Southern Africa (01.07.2017)
    “…Background: Occupational solar ultraviolet radiation (UVR) exposure is a skin cancer risk factor. Outdoor workers have long exposure hours and are in need of…”
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  15. 15

    Model for Estimating Domestic Outdoor Water Demand of Properties in Residential Estates by Plessis, J.L. du, Jacobs, H.E.

    ISSN: 1877-7058, 1877-7058
    Published: Elsevier Ltd 2014
    Published in Procedia engineering (2014)
    “…The outdoor water consumption of residential properties is a major contributor to the seasonal fluctuation of water demand. An outdoor water demand estimation…”
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  17. 17

    Evaluation of emissions and exposures at workplaces using desktop 3-dimensional printer by Stefaniak, A B, Johnson, A R, du Preez, S, Hammond, D R, Wells, J R, Ham, J E, LeBouf, R F, Menchaca, K W, Martin, Jr, S B, Duling, M G, Bowers, L N, Knepp, A K, Su, F C, de Beer, D J, du Plessis, J L

    ISSN: 1878-0504, 1878-0504
    Published: United States 01.03.2019
    Published in ACS Chemical Health & Safety. (01.03.2019)
    “…There is a paucity of data on additive manufacturing process emissions and personal exposures in real-world workplaces. Hence, we evaluated atmospheres in four…”
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  18. 18

    T cell-mediated immunity to Cowdria ruminantium in mice: the protective role of Lyt-2+ T cells by Du Plessis, J L, Berche, P, Van Gas, L

    ISSN: 0030-2465
    Published: South Africa 01.09.1991
    “…The inability of athymic nude mice to make a drug-aided recovery from infection with either the Kümm or the Welgevonden stocks of Cowdria ruminantium and their…”
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  19. 19

    Increased pathogenicity of an Ehrlichia-like agent after passage through Amblyomma hebraeum: a preliminary report by du Plessis, J L

    ISSN: 0030-2465
    Published: South Africa 01.12.1990
    “…After being passaged through 3 generations of Amblyomma hebraeum, an Ehrlichia-like agent isolated from an adult Hyalomma truncatum female became more…”
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  20. 20

    An in vitro test to demonstrate the inhibitory effect of homologous immune serum on the infectivity of Cowdria ruminantium by Du Plessis, J L

    ISSN: 0030-2465
    Published: South Africa 01.03.1993
    “…Homologous immune sheep serum inhibits the infectivity of mice for the Kümm stock of Cowdria ruminantium in an in vitro test. The presence of complement and an…”
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