Email us

Patricia Forbes

Prof PBC Forbes

 https://www.up.ac.za/media/shared/Legacy/sitefiles/image/48/2047/patricia2014.jpg

Tel:      +27 (0)12 420-5426
Email:  patricia.forbes@up.ac.za
Office:  NS1 Room 2-11

Position: Associate Professor
Academic qualifications: PhD (Chemistry)
NRF Rating: Y2

Teaching

Analytical chemistry modules at 2nd, 3rd and Honours level.

Modules: CMY 283, CMY 383 and CMY 707.

Research interests

My research focuses on analytical chemistry involving the development of novel sampling and analytical methods for environmental pollutants, including denuder based sampling techniques, biomonitors, and quantum dot based fluorescence sensors.

Publications over the past five years

Books and book chapters:

Patricia Forbes (Ed.), Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques (2015), Elsevier, Netherlands. ISBN: 978-0-444-63553-2

Patricia B.C. Forbes, Chapter 1: Perspectives on the Monitoring of Air Pollutants, in Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques, Patricia Forbes (Ed.), (2015), 3-9, Elsevier, Netherlands. ISBN: 978-0-444-63553-2 http://dx.doi.org/10.1016/bs.coac.2015.09.001

Patricia B.C. Forbes, Leandri van der Wat and Eve M. Kroukamp, Chapter 3: Biomonitors, in Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques, Patricia Forbes (Ed.), (2015), 53-108, Elsevier, Netherlands. ISBN: 978-0-444-63553-2 http://dx.doi.org/10.1016/bs.coac.2015.09.003

Patricia B.C. Forbes and Egmont R. Rohwer, Chapter 5: Denuders, in Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques, Patricia Forbes (Ed.), (2015), 153-181, Elsevier, Netherlands. ISBN: 978-0-444-63553-2 http://dx.doi.org/10.1016/bs.coac.2015.09.005

Fatkhulla K. Tadjimukhamedov and Patricia B.C. Forbes, Chapter 10: Mass spectrometry and ion mobility spectrometry in Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques, Patricia Forbes (Ed.), (2015), 311-329, Elsevier, Netherlands. ISBN: 978-0-444-63553-2 http://dx.doi.org/10.1016/bs.coac.2015.10.001

Patricia B.C. Forbes, Chapter 12: Concluding comments in Comprehensive Analytical Chemistry vol. 70: Monitoring of Air Pollutants: Sampling, Sample Preparation and Analytical Techniques, Patricia Forbes (Ed.), (2015), 369-371, Elsevier, Netherlands. ISBN: 978-0-444-63553-2; http://dx.doi.org/10.1016/bs.coac.2015.10.002

Oluwasesan Adegoke and Patricia Forbes, Chapter 2: Detection of reactive oxygen species in Reactive Oxygen Species in Biology and Human Health, Shamim Ahmad (Ed.), (2016), 17-24, CRC Press, Taylor and Francis. ISBN: 978-1-4987-3546-9

P.B.C. Forbes and R.M. Garland, Outdoor Air Pollution, in Comprehensive Analytical Chemistry vol. 73: The Quality of Air, Miguel de la Guardia and Sergio Armenta (Eds), (2016), 73-96, Elsevier, Netherlands, ISBN: 978-0-444-63605-8; http://dx.doi.org/10.1016/bs.coac.2016.02.004

Journal articles:

Oluwasesan Adegoke, Tebello Nyokong and Patricia B.C. Forbes, Deposition of CdS, CdS/ZnSe and CdS/ZnSe/ZnS shells around CdSeTe alloyed core quantum dots: effects on optical properties, Luminescence, 2016, 31, 694-703.

Oluwasesan Adegoke, Philani Mashazi, Tebello Nyokong and Patricia B.C. Forbes, Fluorescence properties of alloyed ZnSeS quantum dots overcoated with ZnTe and ZnTe/ZnS shells, Optical Materials, 2016, 54, 104-110.

E.M. Kroukamp, T. Wondimu and P.B.C. Forbes, Metal and metalloid speciation in plants: Overview, instrumentation, approaches and commonly assessed elements, Trends in Analytical Chemistry, 2016, 77, 87-99.

Oluwasesan Adegoke and Patricia B.C. Forbes, L-cysteine-capped core/shell/shell quantum dot-graphene oxide nanocomposite fluorescence probe for polycyclic aromatic hydrocarbon detection, Talanta, 2016, 146, 780-788.

L. Chimuka, P. Sibiya, R. Amdany, E. Cukrowska and P.B.C. Forbes, Status of PAHs in environmental compartments of South Africa: A country report, Polycyclic Aromatic Compounds, 2016, 36, 376-394, DOI: 10.1080/10406638.2014.988276.

Patricia Forbes, Perspectives on South African atmospheric mercury scientific research, The Clean Air Journal, 2015, 25(2), 8.

V. Kohlmeier, G.C. Dragan, J. Schnelle-Kreis, D. Breuer, P.B.C. Forbes, E.R. Rohwer and R. Zimmermann, Die eignung von multichannel-PDMS-denudern zur gas-partikel-trennung von SVOC, Gefahrstoffe-Reinhaltung der Luft, 2015, 75 (10), 383-389.

Sifiso A. Nsibande, James M. Dabrowski, Etienne van der Walt, Annette Venter and Patricia B.C. Forbes, Validation of the AGDISP model for predicting airborne atrazine spray drift: A South African ground application case study, Chemosphere, 2015, 138, 454-461.

Oluwasesan Adegoke, Tebello Nyokong and Patricia B.C. Forbes, Optical properties of water-soluble L-cysteine-capped alloyed CdSeS quantum dot passivated with ZnSeTe and ZnSeTe/ZnS shells, Optical Materials, 2015, 46, 548-554.

Oluwasesan Adegoke, Tebello Nyokong and Patricia B.C. Forbes, Structural and optical properties of alloyed quaternary CdSeTeS core and CdSeTeS/ZnS core-shell quantum dots, Journal of Alloys and Compounds, 2015, 645, 443-449.

Oluwasesan Adegoke and Patricia B.C. Forbes, Challenges and advances in quantum dot fluorescent probes to detect reactive oxygen and nitrogen species: a review, Analytica Chimica Acta, 2015, 862, 1-13. This paper was a “Featured Review Article” online and was also featured on the front cover of the journal.

G. Geldenhuys, E.R. Rohwer, Y. Naudé, P.B.C. Forbes, Monitoring of atmospheric gaseous and particulate polycyclic aromatic hydrocarbons in South African platinum mines utilising portable denuder sampling with analysis by thermal desorption–comprehensive gas chromatography–mass spectrometry, Journal of Chromatography A, 2015, 1380, 17-28.

L. van der Wat and P.B.C. Forbes, Lichens as biomonitors for organic air pollutants, Trends in Analytical Chemistry, 2015, 64, 165-172.

Adegbenro Daso, Jonathan Okonkwo, Raymond Jansen, Patricia Forbes, Antoinette Kotzé and Egmont Rohwer, Polybrominated diphenyl ethers (PBDEs) in eggshells of the Southern Ground-Hornbill (Bucorvus leadbeateri) and Wattled Crane (Bugeranus carunculatus) in South Africa, Chemosphere, 2015, 118, 284-292.

Tafadzwa Makonese, Patricia Forbes, Lorraine Mudau and Harold J. Annegarn, Aerosol particle morphology of residential coal combustion smoke, The Clean Air Journal, 2014, 24 (2), 24-28.

Patricia B.C. Forbes and Johan A. Nöthling, Shedding light on spectrophotometry: the SpecUP educational spectrophotometer, South African Journal of Science, 2014, 110 (1/2), 1-5.

Forbes P.B.C., Karg, E.W., Geldenhuys G., Nsibande S.A., Zimmermann, R. and Rohwer, E.R., Characterisation of atmospheric semi-volatile organic compounds, The Clean Air Journal, 2013, 23 (1), 3-6, ISSN 1017-1703.

L. van der Wat, M. Dovey, Y. Naudé and P.B.C. Forbes, Investigation into the aroma of rosemary using multi-channel silicone rubber traps, off-line olfactometry and comprehensive two-dimensional gas chromatography-mass spectrometry, South African Journal of Chemistry, 2013, 66, 21-26.

A. Trüe, N. Panichev, J. Okonkwo and P.B.C. Forbes, Determination of the mercury content of lichens and comparison to atmospheric mercury levels in the South African Highveld Region, The Clean Air Journal,  2012, 21 (1), 19-25. ISSN 1017-1703.

P.B.C. Forbes, Particle emissions from household fires in South Africa, Air Pollution 2012 Conference, 16-18 May 2012, La Coruna, Spain. Published in Air Pollution XX, WIT Transactions on Ecology and the Environment, 2012, 157, 445-456, ISSN 1743-3541.

P.B.C. Forbes, E.W. Karg, R. Zimmermann and E.R. Rohwer, The use of multi-channel silicone rubber traps as denuders for polycyclic aromatic hydrocarbons, Analytica Chimica Acta, 2012, 730, 71-79.

P.B.C. Forbes, A. Trüe and E.R. Rohwer, Laser induced fluorescence of atmospheric polycyclic aromatic hydrocarbons: An approach to gas standards, Environmental Chemistry Letters, 2011, 9, 7-12.

Conference proceedings:

Invited lectures:

P.B.C. Forbes, Closing address “Changing lives through chemistry” at the 2nd Annual South African Young Scientists’ Conference, 26-27 September 2011, Pretoria.

P.B.C. Forbes, Invited Departmental Seminar, “Monitoring of semi-volatile organic compounds – Novel technologies and interesting applications”, 12 October 2011, Department of Chemistry, University of the Witwatersrand.

P.B.C. Forbes, “Particle emissions from household fires in South Africa”, Air Pollution 2012 Conference, 16-18 May 2012, La Coruna, Spain. Published in Air Pollution XX, WIT Transactions on Ecology and the Environment, 2012, 157, 445-456, ISSN 1743-3541.

P.B.C. Forbes and G. Geldenhuys, “Careers in Science: Chemistry”, A Day of Discovery, St Mary’s Diocesan School for Girls, 7 June 2012, Pretoria.

P.B.C. Forbes, Invited Seminar, “Monitoring of semi-volatile organic compounds – Novel technologies and interesting applications”, 22 November 2012, Cooperation Group “Comprehensive Molecular Analytics” Helmholtz Zentrum München – German Research Center for Environmental Health GmbH.

P.B.C. Forbes, “Improving scientific excellence by promoting gender awareness and fairness”, Women in Science, Research and Technology Conference 2012, 29-30 November 2012, Sandton Convention Centre and Women in Science, Research and Technology Conference 2013, 14-15 March 2013, Hilton Hotel Sandton.

T. Nöthling and P.B.C. Forbes, “Shedding the light on spectrophotometry: The SpecUP educational spectrophotometer”, 12th International Conference on Education and Training in Optics and Photonics, 23-26 July 2013, University of Porto, Portugal.

P.B.C. Forbes, “Women in Optics and Science in South Africa”, Round table discussion at the 12th International Conference on Education and Training in Optics and Photonics, 23-26 July 2013, University of Porto, Portugal.

P. Forbes, “How fast is fast? Using DSA-TOFMS for pesticide screening applications”, PerkinElmer Innovation Tour, Johannesburg, Durban and Cape Town, 23-25 June 2015.

P. Forbes, “A low cost spectrophotometer for Africa”, IEEE Africon 2015 Workshop, International Year of Light and Light-based Technologies 2015: Photonics Research for African Development, 16 September 2015, Addis Ababa, Ethiopia.

P. Forbes, "Analytical research in atmospheric mercury monitoring", International and National Landscape of Atmospheric Mercury workshop held at the National Association for Clean Air Conference, 30 September 2015, Bloemfontein.

P.B.C. Forbes, Invited Departmental Seminar, “The SpecUP educational spectrophotometer”, 10 November 2015, Department of Food Science, Stellenbosch University.

Keynote address: P. Forbes, “Seeing the light: the SpecUP educational spectrophotometer”, SAASTEC (South African Association of Science and Technology Centres) 17th Annual Conference, 16-19 November 2015, North-West University, Mahikeng.

Plenary lecture: Patricia Forbes, “Novel approaches to environmental monitoring”, International Conference on Pure and Applied Chemistry 2016, 18-22 July 2016, Mauritius.

Oral presentations:

Patricia Forbes and Egmont Rohwer, “Multi-channel silicone rubber traps for PAH air emissions monitoring”, 23rd International Symposium on Polycyclic Aromatic Compounds (ISPAC 23), 4-8 September 2011, Münster, Germany.

Rohwer E.R., Naudé Y. and Forbes P.B.C., “The development of multi-channel silicone rubber traps for a broad range of trace organic analyses” ChromSAAMS 2012 Conference, 7-10 October 2012, Dikhololo.

Forbes P.B.C., Karg E.W., Zimmermann R. and Rohwer E.R. “Multi-channel silicone rubber traps as denuders for polycyclic aromatic hydrocarbon air emissions monitoring”, ChromSAAMS 2012 Conference, 7-10 October 2012, Dikhololo.

Van der Wat L.*, Dovey M., Naudé Y. and Forbes P.B.C., “Investigation into the aroma of rosemary samples using polydimethylsiloxane traps and GC X GC-TOFMS” ChromSAAMS 2012 Conference, 7-10 October 2012, Dikhololo. * Leandri van der Wat was awarded the ChromSA Best Student Oral Presentation award for her presentation.

Ntsasa N.G., Tshilongo J. and Forbes P.B.C., “Purity analysis of liquids for the preparation of condensable multi-component primary reference gas mixtures (PRGMs)” ChromSAAMS 2012 Conference, 7-10 October 2012, Dikhololo.

Nsibande S., Geldenhuys G. and Forbes P.B.C., “Characterisation of particulate matter in the Daspoort Tunnel, Pretoria”, National Association of Clean Air (NACA) 2012 Conference, 1-2 November 2012, Rustenburg. Annual Conference Proceedings ISBN 978-0-620-53886-2, Electronic Proceedings ISBN 978-0-620-53885-5.

Nöthling T. and Forbes P., “What is in the box? A new low cost approach to spectrometry practicals”, 12th International Chemistry Conference Africa 2013, 7-12 July 2013, Pretoria.

Geldenhuys G., Rohwer E. and Forbes P., “Atmospheric polycyclic aromatic hydrocarbon fingerprinting in South African platinum mines”, 12th International Chemistry Conference Africa 2013, 7-12 July 2013, Pretoria.

Nöthling T.* and Forbes P., "Shedding the light on spectroscopy: the SpecUP educational spectrophotometer". South African Spectroscopic Society Young Spectroscopist's Symposium, 12 September 2013, Pretoria. * Towan Nöthling was awarded third prize for this presentation.

Forbes P.B.C., Karg, E.W., Geldenhuys G., Nsibande S.A., Zimmermann, R. and Rohwer, E.R., “Characterisation of atmospheric semi-volatile organic compounds”, 16th IUAPPA World Clean Air Congress, 29 September – 4 October 2013, Cape Town. Electronic Proceedings ISBN 978-0-620-58320-6.

Geldenhuys G., Rohwer, E.R. and Forbes, P.B.C., “Chromatographic analysis of diesel particulate matter in South African platinum mines with emphasis on polycyclic aromatic hydrocarbons”, 16th IUAPPA World Clean Air Congress, 29 September – 4 October 2013, Cape Town. Electronic Proceedings ISBN 978-0-620-58320-6.

Makonese, T., Masekameni, D., Annegarn, H., Forbes, P., Robinson J. and Pemberton-Pigott, C., “Domestic lump-coal combustion: Characterization of performance and emissions from selected braziers”, 16th IUAPPA World Clean Air Congress, 29 September – 4 October 2013, Cape Town. Electronic Proceedings ISBN 978-0-620-58320-6.

Makonese, T., Forbes, P., Mudau, L. and H. Annegarn, “Monitoring of polycyclic aromatic hydrocarbon (PAH) emissions from real world uses of domestic coal braziers”, Domestic Use of Energy Conference (DUE), 31 March - 2 April 2014, Cape Town.  Electronic Proceedings ISBN: 978-0-9922041-4-3, 93-100.

Patricia Forbes, Genna-Leigh Geldenhuys and Egmont Rohwer, “Characterisation of atmospheric polycyclic aromatic hydrocarbons in South African platinum mines”, 11th GCxGC Symposium and 38th International Symposium on Capillary Chromatography, 18-24 May 2014, Riva del Garda, Italy.

Leandri van der Wat, Martin Dovey, Yvette Naudé and Patricia Forbes, “Preliminary investigation into the aroma of rosemary using multi-channel silicone rubber traps and GCxGC-TOFMS”, 11th GCxGC Symposium and 38th International Symposium on Capillary Chromatography, 18-24 May 2014, Riva del Garda, Italy.

Nsibande, S*., Dabrowski, J., van der Walt, E., Venter, A. and Forbes, P. “Atrazine spray drift monitoring for model evaluation”, Analitika 2014 Conference, 7-11 September 2014, Parys, South Africa.* Sifiso Nsibande won the ChromSA prize for the best chromatography student for his presentation.

Van der Wat, L. and Forbes, P. “Lichens as biomonitors of atmospheric PAHs: A comparison between traditional and new sample preparation techniques”, Analitika 2014 Conference, 7-11 September 2014, Parys, South Africa.

Sifiso A. Nsibande, James M. Dabrowski, Etienne van der Walt, Annette Venter and Patricia B.C. Forbes* “Air dispersion modelling: a South African pesticide validation case study”, National Association for Clean Air Conference, 8 – 10 October 2014, Umhlanga, Durban, Electronic Proceedings ISBN: 978-0-620-63065-8. * Patricia Forbes won the Best Scientific Paper prize at the conference for this presentation.

Tafadzwa Makonese*, Patricia Forbes, Lorraine Mudau and Harold Annegarn, “Aerosol particle morphology of residential coal combustion smoke”, National Association for Clean Air Conference, 8 – 10 October 2014, Umhlanga, Durban, Electronic Proceedings ISBN: 978-0-620-63065-8. * Tafadzwa Makonese won the best student paper prize at the conference for this presentation.

Fritz Petersen, James Dabrowski and Patricia Forbes, “Prioritisation of Emerging Chemical Pollutants in South African Water Systems”, Water Institute of South Africa 4th Young Water Professionals ZA Biennial and 1st African Young Water Professionals Conference, 16-18 November 2015, CSIR Convention Centre, Pretoria.

Patricia Forbes and Leandri van der Wat, “Analytical challenges in the use of lichen biomonitors for atmospheric polycyclic aromatic hydrocarbons”, 42nd National Convention of the South African Chemical Institute, 29 November – 4 December 2015, Durban.

Patricia Forbes and Sifiso Nsibande, “Validation of the AGDISP model for predicting airborne atrazine drift – a South African case study”, Water Research Commission Dialogue on the Investigation of the contamination of water resources by agricultural chemicals and the impact on environmental health, 24 June 2016, CSIR, Pretoria.

Patricia Forbes, “Denuders for simultaneous gas and particle phase semi-volatile organic air pollutant monitoring”, ChromSAAMS 2016, 11-14 September 2016, Vanderbijlpark.

Chiedza Munyeza, Egmont Rohwer and Patricia Forbes, “Development and optimisation of the plunger assisted solvent extraction (PASE) method for multi-channel silicone rubber traps”, ChromSAAMS 2016, 11-14 September 2016, Vanderbijlpark.

Leandri van der Wat and Patricia Forbes, “Lichen biomonitors for atmospheric polycyclic aromatic hydrocarbons”, National Association for Clean Air Conference, 5 – 7 October 2016, Mbombela (Nelspruit), Electronic Proceedings ISBN: 978-0-620-70646-9.

Poster presentations:

P. Forbes, R.M. Garland, C.Y. Wright, W. Louw, L. Phiri, N. Gawler, M. Mabe, J. Molisiwa and J. Brown, “Air quality measurements in the Daspoort Tunnel, Pretoria and the health implications”, 2nd Annual South African Young Scientists’ Conference, 26-27 September 2011, Pretoria.

Geldenhuys G., Rohwer E.R. and Forbes P.B.C., “Analysis of diesel particulate matter and polycyclic aromatic hydrocarbons in confined environments”, ChromSAAMS 2012 Conference, 7-10 October 2012, Dikhololo.

Geldenhuys G., Rohwer E.R. and Forbes P.B.C., “Analysis of diesel particulate matter and polycyclic aromatic hydrocarbons in confined environments”, National Association of Clean Air (NACA) 2012 Conference, 1-2 November 2012, Rustenburg. * Genna-Leigh Geldenhuys was awarded the Best Student Poster award for her presentation.

Nsibande, S., Dabrowski, J., van der Walt, E. and Forbes, P.B.C., “Comparative pesticide air monitoring in validation of air dispersion models”, 16th IUAPPA World Clean Air Congress, 29 September – 4 October 2013, Cape Town. Electronic Proceedings ISBN 978-0-620-58320-6.

Nsibande, S.*, Swanepoel, L., Lancaster, N. and Forbes, P. “How fast is fast? Using DSA-TOFMS for pesticide drift sample screening”, Analitika 2014 Conference, 7-11 September 2014, Parys, South Africa. * Sifiso Nsibande won the SAAMS prize for the best mass spectrometry student poster for his presentation.

Kroukamp, E*., Wondimu, T. Forbes, P. “Preliminary investigation into the use of lichens as biomonitors of air pollution in South Africa”, Analitika 2014 Conference, 7-11 September 2014, Parys, South Africa. * Eve Kroukamp won the SAAMS prize for the 2nd best mass spectrometry student poster for her presentation.

Nsibande, S., Swanepoel, L., Lancaster, N. and Forbes, P. “How fast is fast? Using DSA-TOFMS for pesticide drift sample screening”, National Association for Clean Air Conference, 8 – 10 October 2014, Umhlanga, Durban, Electronic Proceedings ISBN: 978-0-620-63065-8.

Patricia Forbes, “Seeing the light: The SpecUP educational spectrophotometer”, Wharton QS Reimagine Education Conference, 7-9 December 2015, Philadelphia, U.S.A.

Patricia Forbes, “Seeing the light: The SpecUP educational spectrophotometer”, SPIE Optics Education and Outreach Conference, 28 August – 1 September 2016, San Diego, U.S.A., Proc. SPIE 9946, Optics Education and Outreach IV, 99460Z (September 27, 2016); doi:10.1117/12.2235680; http://dx.doi.org/10.1117/12.2235680

Share this page
Last edited by Anita BothaEdit