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Gordon Shephard

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E Christina Persson; Gang Chen; Sanford M Dawsey; Alison A Evans; Jin-Hu Fan; Wenyao Lin; Katherine A McGlynn; You-Lin Qiao; Vikash Sewram; Yen-Ju Shen; Gordon S Shephard; Philip R Taylor; Jacobus A Van Zyl; Yvette Volkwyn; W Thomas London; Christian C Abnet
Fumonisin B1 and risk of hepatocellular carcinoma in two Chinese cohorts.
Gordon S Shephard; Liana van der Westhuizen; J van Zyl; Vikash Sewram; John P Rheeder
Occurrence of the C-series fumonisins in maize from the former Transkei region of South Africa.
Ncediwe Ndube; Ivan R Green; Liana van der Westhuizen; Gordon S Shephard
HPLC determination of fumonisin mycotoxins in maize: a comparative study of naphthalene-2,3-dicarboxaldehyde and o-phthaldialdehyde derivatization reagents for fluorescence and diode array detection.

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2012: E Christina Persson; Gang Chen; Sanford M Dawsey; Alison A Evans; Jin-Hu Fan; Wenyao Lin; Katherine A McGlynn; You-Lin Qiao; Vikash Sewram; Yen-Ju Shen; Gordon S Shephard; Philip R Taylor; Jacobus A Van Zyl; Yvette Volkwyn; W Thomas London; Christian C Abnet
Fumonisin B1 and risk of hepatocellular carcinoma in two Chinese cohorts.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2012;50(3-4):679-83.
2011: Gordon S Shephard; Liana van der Westhuizen; J van Zyl; Vikash Sewram; John P Rheeder
Occurrence of the C-series fumonisins in maize from the former Transkei region of South Africa.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2011;28(12):1712-6.
2011: Ncediwe Ndube; Ivan R Green; Liana van der Westhuizen; Gordon S Shephard
HPLC determination of fumonisin mycotoxins in maize: a comparative study of naphthalene-2,3-dicarboxaldehyde and o-phthaldialdehyde derivatization reagents for fluorescence and diode array detection.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences 2011;879(23):2239-43.
2011: Seyed Amir Ghiasian; Gordon S Shephard; Hassan Yazdanpanah
Natural occurrence of aflatoxins from maize in Iran.
Mycopathologia 2011;172(2):153-60.
2010: G J Benoit Gnonlonfin; David R Katerere; Yann ADJOVI; Leon Brimer; Gordon S Shephard; Ambaliou Sanni
Determination of aflatoxin in processed dried cassava root: validation of a new analytical method for cassava flour.
Journal of AOAC International 2010;93(6):1882-7.
2010: Liana van der Westhuizen; Gordon S Shephard; J P Rheeder; H-M Burger; Wentzel C A Gelderblom; C P Wild; Y Y Gong
Simple intervention method to reduce fumonisin exposure in a subsistence maize-farming community in South Africa.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2010;27(11):1582-8.
2010: Gordon S Shephard; Liana van der Westhuizen; Maryke Herbst; David R Katerere; Maya Pineiro
Preliminary exposure assessment of deoxynivalenol and patulin in South Africa.
Mycotoxin research 2010;26(3):181-5.
2010: Liana van der Westhuizen; Gordon S Shephard; J P Rheeder; H-M Burger
Individual fumonisin exposure and sphingoid base levels in rural populations consuming maize in South Africa.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2010;48(6):1698-703.
2009: Ncediwe Ndube; Liana van der Westhuizen; Gordon S Shephard
Determination of fumonisins in maize by HPLC with ultraviolet detection of o-phthaldialdehyde derivatives.
Mycotoxin research 2009;25(4):225-8.
2009: Gordon S Shephard
Aflatoxin analysis at the beginning of the twenty-first century.
Analytical and bioanalytical chemistry 2009;395(5):1215-24.
2009: Seyed Amir Ghiasian; Amir Hossein Maghsood; Gordon S Shephard; M R Aghamirian; Liana van der Westhuizen
Occurrence of fumonisins in maize imported into Iran during 2001-2002.
Mycotoxin research 2009;25(1):25-8.
2008: Liana van der Westhuizen; Gordon S Shephard; J P Rheeder; N I M Somdyala; W F O Marasas
Sphingoid base levels in humans consuming fumonisin-contaminated maize in rural areas of the former Transkei, South Africa: a cross-sectional study.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2008;25(11):1385-91.
2008: Gordon S Shephard
Determination of mycotoxins in human foods.
Chemical Society reviews 2008;37(11):2468-77.
2008: Gordon S Shephard
Risk assessment of aflatoxins in food in Africa.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2008;25(10):1246-56.
2008: Gordon S Shephard
Impact of mycotoxins on human health in developing countries.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2008;25(2):146-51.
2007: Gordon S Shephard; Liana van der Westhuizen; Vikash Sewram
Biomarkers of exposure to fumonisin mycotoxins: a review.
Food additives and contaminants 2007;24(10):1196-201.
2007: David R Katerere; Sonja Stockenström; K M Thembo; G Balducci; Gordon S Shephard
Investigation of patulin contamination in apple juice sold in retail outlets in Italy and South Africa.
Food additives and contaminants 2007;24(6):630-4.
2007: Gordon S Shephard; Walter F O Marasas; H-M Burger; Nontuthuzelo I M Somdyala; John P Rheeder; Liana van der Westhuizen; Pumza M Gatyeni; Dirk Jacobus Van Schalkwyk
Exposure assessment for fumonisins in the former Transkei region of South Africa.
Food additives and contaminants 2007;24(6):621-9.
2007: Wentzel C A Gelderblom; Vikash Sewram; Gordon S Shephard; Petra W Snijman; Kenny Tenza; Liana van der Westhuizen; Robert Vleggaar
Structure and natural occurrence of stereoisomers of the fumonisin B series mycotoxins.
Journal of agricultural and food chemistry 2007;55(11):4388-94.
2007: David R Katerere; Sonja Stockenström; Gabriele Balducci; Gordon S Shephard
Determination of patulin in apple juice: comparative evaluation of four analytical methods.
Journal of AOAC International 2007;90(1):162-6.
2006: Seyed Amir Ghiasian; Amir Hossein Maghsood; Hassan Yazdanpanah; Gordon S Shephard; Liana van der Westhuizen; Hester F Vismer; John P Rheeder; Walter F O Marasas
Incidence of Fusarium verticillioides and levels of fumonisins in corn from main production areas in Iran.
Journal of agricultural and food chemistry 2006;54(16):6118-22.
2006: Vikash Sewram; Gordon S Shephard; Lize van der Merwe; Thomas V Jacobs
Mycotoxin contamination of dietary and medicinal wild plants in the Eastern Cape Province of South Africa.
Journal of agricultural and food chemistry 2006;54(15):5688-93.
2006: Hassan Yazdanpanah; Gordon S Shephard; Walter F O Marasas; Liana van der Westhuizen; H Rahimian; S N Safavi; P Eskandari; Seyed Amir Ghiasian
Human dietary exposure to fumonisin B1 from Iranian maize harvested during 1998-2000.
Mycopathologia 2006;161(6):395-401.
2005: Gordon S Shephard; Liana van der Westhuizen; Pumza M Gatyeni; Nontuthuzelo I M Somdyala; Hester-Mari Burger; Walter F O Marasas
Fumonisin mycotoxins in traditional Xhosa maize beer in South Africa.
Journal of agricultural and food chemistry 2005;53(24):9634-7.
2005: Gordon S Shephard; Liana van der Westhuizen; Pumza M Gatyeni; David R Katerere; Walter F O Marasas
Do fumonisin mycotoxins occur in wheat?
Journal of agricultural and food chemistry 2005;53(23):9293-6.
2005: Vikash Sewram; Ndumiso Mshicileli; Gordon S Shephard; Hester F Vismer; John P Rheeder; Yin-Won Lee; John F Leslie; Walter F O Marasas
Production of fumonisin B and C analogues by several fusarium species.
Journal of agricultural and food chemistry 2005;53(12):4861-6.
2005: Mary-Jean Dubber; Vikash Sewram; Ndumiso Mshicileli; Gordon S Shephard; Isadore Kanfer
The simultaneous determination of selected flavonol glycosides and aglycones in Ginkgo biloba oral dosage forms by high-performance liquid chromatography-electrospray ionisation-mass spectrometry.
Journal of pharmaceutical and biomedical analysis 2005;37(4):723-31.
2005: Seyed Amir Ghiasian; Seyed Mahdi Rezayat; Parivash Kord-Bacheh; Amir Hossein Maghsood; Hassan Yazdanpanah; Gordon S Shephard; Liana van der Westhuizen; Hester F Vismer; Walter F O Marasas
Fumonisin production by Fusarium species isolated from freshly harvested corn in Iran.
Mycopathologia 2005;159(1):31-40.
2004: Liana van der Westhuizen; Wentzel C A Gelderblom; Gordon S Shephard; Sonja Swanevelder
Disruption of sphingolipid biosynthesis in hepatocyte nodules: selective proliferative stimulus induced by fumonisin B1.
Toxicology 2004;200(1):69-75.
2004: M F P M de Castro; Gordon S Shephard; Vikash Sewram; E Vicente; T A Mendonça; A C Jordan
Fumonisins in Brazilian corn-based foods for infant consumption.
Food additives and contaminants 2004;21(7):693-9.
2004: Gordon S Shephard; Vikash Sewram
Determination of the mycotoxin fumonisin B1 in maize by reversed-phase thin-layer chromatography: a collaborative study.
Food additives and contaminants 2004;21(5):498-505.
2004: Wentzel C A Gelderblom; John P Rheeder; NL Leggott; S Stockenstrom; J Humphreys; Gordon S Shephard; Walter F O Marasas
Fumonisin contamination of a corn sample associated with the induction of hepatocarcinogenesis in rats-role of dietary deficiencies.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2004;42(3):471-9.
2003: Liana van der Westhuizen; Gordon S Shephard; Vildes M Scussel; Léa L F Costa; Hester F Vismer; John P Rheeder; Walter F O Marasas
Fumonisin contamination and fusarium incidence in corn from Santa Catarina, Brazil.
Journal of agricultural and food chemistry 2003;51(18):5574-8.
2003: Vikash Sewram; Gordon S Shephard; Walter F O Marasas; Maria Fernanda Penteado; M de Castro
Improving extraction of fumonisin mycotoxins from Brazilian corn-based infant foods.
Journal of food protection 2003;66(5):854-9.
2003: Quenton Kritzinger; Theresa A S Aveling; Walter F O Marasas; John P Rheeder; Liana van der Westhuizen; Gordon S Shephard
Mycoflora and fumonisin mycotoxins associated with cowpea [Vigna unguiculata (L.) Walp] seeds.
Journal of agricultural and food chemistry 2003;51(8):2188-92.
2003: Vikash Sewram; Ndumiso Mshicileli; Gordon S Shephard; Walter F O Marasas
Fumonisin mycotoxins in human hair.
Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals 2003;8(2):110-8.
2003: Gordon S Shephard; Alessandra Fabiani; Sonja Stockenström; Ndumiso Mshicileli; Vikash Sewram
Quantitation of ochratoxin A in South African wines.
Journal of agricultural and food chemistry 2003;51(4):1102-6.
2002: Gordon S Shephard; Walter F O Marasas; Hassan Yazdanpanah; H Rahimian; N Safavi; Afshin Zarghi; Alireza Shafaati; Hamid Reza Rasekh
Fumonisin B(1) in maize harvested in Iran during 1999.
Food additives and contaminants 2002;19(7):676-9.
2002: Gordon S Shephard; Sonja Stockenström; David de Villiers; Willem J Engelbrecht; Gabriël F S Wessels
Degradation of microcystin toxins in a falling film photocatalytic reactor with immobilized titanium dioxide catalyst.
Water research 2002;36(1):140-6.
2001: NL Leggott; Gordon S Shephard; Sonja Stockenström; E Staal; D J van Schatkwyk
The reduction of patulin in apple juice by three different types of activated carbon.
Food additives and contaminants 2001;18(9):825-9.
2001: Vikash Sewram; J J Nair; TW Nieuwoudt; Wentzel C A Gelderblom; Walter F O Marasas; Gordon S Shephard
Assessing chronic exposure to fumonisin mycotoxins: the use of hair as a suitable noninvasive matrix.
Journal of analytical toxicology 2001;25(6):450-5.
2001: MA Stander; TW Nieuwoudt; PS Steyn; Gordon S Shephard; Edmond CREPPY; Vikash Sewram
Toxicokinetics of ochratoxin A in vervet monkeys (Cercopithecus aethiops).
Archives of toxicology 2001;75(5):262-9.
2001: Liana van der Westhuizen; Gordon S Shephard; Dirk Jacobus Van Schalkwyk
The effect of repeated gavage doses of fumonisin B1 on the sphinganine and sphingosine levels in vervet monkeys.
Toxicon : official journal of the International Society on Toxinology 2001;39(7):969-72.
2001: Wentzel C A Gelderblom; J V Seier; Petra W Snijman; Dirk Jacobus Van Schalkwyk; Gordon S Shephard; Walter F O Marasas
Toxicity of culture material of Fusarium verticillioides strain MRC 826 to nonhuman primates.
Environmental health perspectives 2001;109 Suppl 2():267-76.
2001: Liana van der Westhuizen; Gordon S Shephard; Dirk Jacobus Van Schalkwyk
The effect of a single gavage dose of fumonisin B(2) on the sphinganine and sphingosine concentrations in vervet monkeys.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 2001;39(5):455-9.
2001: Liana van der Westhuizen; Gordon S Shephard; Dirk Jacobus Van Schalkwyk
The effect of a single gavage dose of fumonisin B(1) on the sphinganine and sphingosine levels in vervet monkeys.
Toxicon : official journal of the International Society on Toxinology 2001;39(2-3):273-81.
2000: Vikash Sewram; J J Nair; TW Nieuwoudt; NL Leggott; Gordon S Shephard
Determination of patulin in apple juice by high-performance liquid chromatography-atmospheric pressure chemical ionization mass spectrometry.
Journal of chromatography. A 2000;897(1-2):365-74.
2000: Gordon S Shephard; NL Leggott
Chromatographic determination of the mycotoxin patulin in fruit and fruit juices.
Journal of chromatography. A 2000;882(1-2):17-22.
2000: Gordon S Shephard; Walter F O Marasas; NL Leggott; Hassan Yazdanpanah; H Rahimian; N Safavi
Natural occurrence of fumonisins in corn from Iran.
Journal of agricultural and food chemistry 2000;48(5):1860-4.
1999: Liana van der Westhuizen; N L Brown; Walter F O Marasas; Sonja Swanevelder; Gordon S Shephard
Sphinganine/sphingosine ratio in plasma and urine as a possible biomarker for fumonisin exposure in humans in rural areas of Africa.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1999;37(12):1153-8.
1999: Gordon S Shephard; Vikash Sewram; TW Nieuwoudt; Walter F O Marasas; A Ritieni
Production of the mycotoxins fusaproliferin and beauvericin by South African isolates in the Fusarium section Liseola.
Journal of agricultural and food chemistry 1999;47(12):5111-5.
1999: Vikash Sewram; TW Nieuwoudt; Walter F O Marasas; Gordon S Shephard; A Ritieni
Determination of the Fusarium mycotoxins, fusaproliferin and beauvericin by high-performance liquid chromatography-electrospray ionization mass spectrometry.
Journal of chromatography. A 1999;858(2):175-85.
1999: Vikash Sewram; TW Nieuwoudt; Walter F O Marasas; Gordon S Shephard; A Ritieni
Determination of the mycotoxin moniliformin in cultures of Fusarium subglutinans and in naturally contaminated maize by high-performance liquid chromatography-atmospheric pressure chemical ionization mass spectrometry.
Journal of chromatography. A 1999;848(1-2):185-91.
1999: Gordon S Shephard; Petra W Snijman
Elimination and excretion of a single dose of the mycotoxin fumonisin B2 in a non-human primate.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1999;37(2-3):111-6.
1998: Gordon S Shephard; Sonja Stockenström; D De Villiers; W J Engelbrecht; EW Sydenham; G F Wessels
Photocatalytic degradation of cyanobacterial microcystin toxins in water.
Toxicon : official journal of the International Society on Toxinology 1998;36(12):1895-901.
1998: Sonja Stockenström; EW Sydenham; Gordon S Shephard
Fumonsin B1, B2, and B3 content of commercial unprocessed maize imported into South Africa from Argentina and the USA during 1992.
Food additives and contaminants 1998;15(6):676-80.
1998: Gordon S Shephard
Chromatographic determination of the fumonisin mycotoxins.
Journal of chromatography. A 1998;815(1):31-9.
1998: Gordon S Shephard; Liana van der Westhuizen
Liquid chromatographic determination of the sphinganine/sphingosine ratio in serum.
Journal of chromatography. B, Biomedical sciences and applications 1998;710(1-2):219-22.
1998: Liana van der Westhuizen; Gordon S Shephard; SD Snyman; Stefan Abel; Sonja Swanevelder; Wentzel C A Gelderblom
Inhibition of sphingolipid biosynthesis in rat primary hepatocyte cultures by fumonisin B1 and other structurally related compounds.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1998;36(6):497-503.
1996: Gordon S Shephard; Liana van der Westhuizen; P G Thiel; Wentzel C A Gelderblom; Walter F O Marasas; D J van Schalkwyk
Disruption of sphingolipid metabolism in non-human primates consuming diets of fumonisin-containing Fusarium moniliforme culture material.
Toxicon : official journal of the International Society on Toxinology 1996;34(5):527-34.
1996: E W Sydenham; Gordon S Shephard; P G Thiel; Sonja Stockenström; P W Snijman; D J Van Schalkwyk
Liquid chromatographic determination of fumonisins B1, B2, and B3 in corn: AOAC-IUPAC Collaborative Study.
Journal of AOAC International 1996;79(3):688-96.
1996: Gordon S Shephard; P G Thiel; Sonja Stockenström; E W Sydenham
Worldwide survey of fumonisin contamination of corn and corn-based products.
Journal of AOAC International 1996;79(3):671-87.
1996: J F Leslie; Walter F O Marasas; Gordon S Shephard; E W Sydenham; Sonja Stockenström; P G Thiel
Duckling toxicity and the production of fumonisin and moniliformin by isolates in the A and E mating populations of Gibberella fujikuroi (Fusarium moniliforme).
Applied and environmental microbiology 1996;62(4):1182-7.
1996: P G Thiel; E W Sydenham; Gordon S Shephard
The reliability and significance of analytical data on the natural occurrence of fumonisins in food.
Advances in experimental medicine and biology 1996;392():145-51.
1995: Gordon S Shephard; P G Thiel; E W Sydenham; P W Snijman
Toxicokinetics of the mycotoxin fumonisin B2 in rats.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1995;33(7):591-5.
1995: Gordon S Shephard; P G Thiel; E W Sydenham
Liquid chromatographic determination of the mycotoxin fumonisin B2 in physiological samples.
Journal of chromatography. A 1995;692(1-2):39-43.
1995: Gordon S Shephard; P G Thiel; E W Sydenham; M E Savard
Fate of a single dose of 14C-labelled fumonisin B1 in vervet monkeys.
Natural toxins 1995;3(3):145-50.
1994: John P Rheeder; E W Sydenham; Walter F O Marasas; P G Thiel; Gordon S Shephard; M Schlechter; Sonja Stockenström; D E Cronje; J H Viljoen
Ear-rot fungi and mycotoxins in South African corn of the 1989 crop exported to Taiwan.
Mycopathologia 1994;127(1):35-41.
1994: Gordon S Shephard; P G Thiel; E W Sydenham; J F Alberts; M E Cawood
Distribution and excretion of a single dose of the mycotoxin fumonisin B1 in a non-human primate.
Toxicon : official journal of the International Society on Toxinology 1994;32(6):735-41.
1994: Gordon S Shephard; P G Thiel; E W Sydenham; J F Alberts
Biliary excretion of the mycotoxin fumonisin B1 in rats.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1994;32(5):489-91.
1994: E W Sydenham; Liana van der Westhuizen; Sonja Stockenström; Gordon S Shephard; P G Thiel
Fumonisin-contaminated maize: physical treatment for the partial decontamination of bulk shipments.
Food additives and contaminants 1994;11(1):25-32.
1994: Gordon S Shephard; P G Thiel; E W Sydenham; R Vleggaar; J F Alberts
Determination of the mycotoxin fumonisin B1 and identification of its partially hydrolysed metabolites in the faeces of non-human primates.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1994;32(1):23-9.
1992: Gordon S Shephard; P G Thiel; E W Sydenham; J F Alberts; Wentzel C A Gelderblom
Fate of a single dose of the 14C-labelled mycotoxin, fumonisin B1, in rats.
Toxicon : official journal of the International Society on Toxinology 1992;30(7):768-70.
1992: Gordon S Shephard; P G Thiel; E W Sydenham
Initial studies on the toxicokinetics of fumonisin B1 in rats.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association 1992;30(4):277-9.
1992: Gordon S Shephard; P G Thiel; E W Sydenham
Determination of fumonisin B1 in plasma and urine by high-performance liquid chromatography.
Journal of chromatography 1992;574(2):299-304.
1992: P G Thiel; Walter F O Marasas; E W Sydenham; Gordon S Shephard; Wentzel C A Gelderblom
The implications of naturally occurring levels of fumonisins in corn for human and animal health.
Mycopathologia 1992;117(1-2):3-9.
1991: Gordon S Shephard; P G Thiel; E W Sydenham; R Vleggaar; Walter F O Marasas
Reversed-phase high-performance liquid chromatography of tenuazonic acid and related tetramic acids.
Journal of chromatography 1991;566(1):195-205.
1991: P G Thiel; Walter F O Marasas; E W Sydenham; Gordon S Shephard; Wentzel C A Gelderblom; J J Nieuwenhuis
Survey of fumonisin production by Fusarium species.
Applied and environmental microbiology 1991;57(4):1089-93.
1991: E W Sydenham; Walter F O Marasas; P G Thiel; Gordon S Shephard; J J Nieuwenhuis
Production of mycotoxins by selected Fusarium graminearum and F. crookwellense isolates.
Food additives and contaminants 1991;8(1):31-41.
1990: T M Wilson; P E Nelson; Walter F O Marasas; P G Thiel; Gordon S Shephard; E W Sydenham; H A Nelson; P F Ross
A mycological evaluation and in vivo toxicity evaluation of feed from 41 farms with equine leukoencephalomalacia.
Journal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc 1990;2(4):352-4.
1989: Gordon S Shephard; Liana van der Westhuizen; D Labadarios
Analysis of vitamin B6 vitamers in human tissue by cation-exchange high-performance liquid chromatography.
Journal of chromatography 1989;491(1):226-34.