aflatoxin

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

Tomlins, K.I., Jewers, K. and Coker, R.D. (1989) Evaluation of non-polar bonded-phases for the clean-up of maize extracts prior to aflatoxin assay by HPTLC. Chromatographia, 27 (1-2). pp. 67-70. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290408)

Tomlins, K.I., Jewers, K., Coker, R.D. and Nagler, M.J. (1989) A bi-directional HPTLC development method for the detection of low levels of aflatoxin in maize extracts. Chromatographia, 27 (1-2). pp. 49-52. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290404)

aflatoxin determination

Bradburn, N., Jewers, K., Jones, B.D. and Tomlins, K.I. (1989) Rapid method for the clean-up of extracts of cottonseed prior to aflatoxin determination by bi-directional HPTLC. Chromatographia, 28 (11-12). pp. 541-544. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02260673)

aflatoxins

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)

bi-directional development

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

Tomlins, K.I., Jewers, K., Coker, R.D. and Nagler, M.J. (1989) A bi-directional HPTLC development method for the detection of low levels of aflatoxin in maize extracts. Chromatographia, 27 (1-2). pp. 49-52. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290404)

cation-exchange chromatography

Tomlins, K.I., Baker, D.M. and McDowell, I.J. (1990) HPLC method for the analysis of organic acids, sugars, and alcohol in extracts of fermenting cocoa beans. Chromatographia, 29 (11-12). pp. 557-561. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261222)

cocoa beans

Tomlins, K.I., Baker, D.M. and McDowell, I.J. (1990) HPLC method for the analysis of organic acids, sugars, and alcohol in extracts of fermenting cocoa beans. Chromatographia, 29 (11-12). pp. 557-561. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261222)

column liquid chromatography

Mathews, B.T., Higginson, P.D., Lyons, R., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Sach, N.W., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Taylor, M.R. and Wright, A.G. (2004) Improving quantitative measurements for the evaporative light scattering detector. Chromatographia, 60 (11-12). pp. 625-633. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1365/s10337-004-0441-3)

Tomlins, K.I., Baker, D.M. and McDowell, I.J. (1990) HPLC method for the analysis of organic acids, sugars, and alcohol in extracts of fermenting cocoa beans. Chromatographia, 29 (11-12). pp. 557-561. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261222)

cottonseed

Bradburn, N., Jewers, K., Jones, B.D. and Tomlins, K.I. (1989) Rapid method for the clean-up of extracts of cottonseed prior to aflatoxin determination by bi-directional HPTLC. Chromatographia, 28 (11-12). pp. 541-544. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02260673)

densitometry

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)

detector calibration

Mathews, B.T., Higginson, P.D., Lyons, R., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Sach, N.W., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Taylor, M.R. and Wright, A.G. (2004) Improving quantitative measurements for the evaporative light scattering detector. Chromatographia, 60 (11-12). pp. 625-633. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1365/s10337-004-0441-3)

development chambers

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)

ELSD

Mathews, B.T., Higginson, P.D., Lyons, R., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Sach, N.W., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Taylor, M.R. and Wright, A.G. (2004) Improving quantitative measurements for the evaporative light scattering detector. Chromatographia, 60 (11-12). pp. 625-633. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1365/s10337-004-0441-3)

evaporative light-scattering detector

Mathews, B.T., Higginson, P.D., Lyons, R., Mitchell, J.C. ORCID: https://orcid.org/0000-0003-2945-3292, Sach, N.W., Snowden, M.J. ORCID: https://orcid.org/0000-0002-1087-2692, Taylor, M.R. and Wright, A.G. (2004) Improving quantitative measurements for the evaporative light scattering detector. Chromatographia, 60 (11-12). pp. 625-633. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1365/s10337-004-0441-3)

extraction

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

high performance thin layer chromatography

Tomlins, K.I., Jewers, K. and Coker, R.D. (1989) Evaluation of non-polar bonded-phases for the clean-up of maize extracts prior to aflatoxin assay by HPTLC. Chromatographia, 27 (1-2). pp. 67-70. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290408)

maize

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

non-polar bonded phase extraction cartridges

Tomlins, K.I., Jewers, K. and Coker, R.D. (1989) Evaluation of non-polar bonded-phases for the clean-up of maize extracts prior to aflatoxin assay by HPTLC. Chromatographia, 27 (1-2). pp. 67-70. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290408)

organic acids

Tomlins, K.I., Baker, D.M. and McDowell, I.J. (1990) HPLC method for the analysis of organic acids, sugars, and alcohol in extracts of fermenting cocoa beans. Chromatographia, 29 (11-12). pp. 557-561. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261222)

pre-chromatographic clean-up

Tomlins, K.I., Jewers, K., Coker, R.D. and Nagler, M.J. (1989) A bi-directional HPTLC development method for the detection of low levels of aflatoxin in maize extracts. Chromatographia, 27 (1-2). pp. 49-52. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290404)

salid phase extraction

Bradburn, N., Jewers, K., Jones, B.D. and Tomlins, K.I. (1989) Rapid method for the clean-up of extracts of cottonseed prior to aflatoxin determination by bi-directional HPTLC. Chromatographia, 28 (11-12). pp. 541-544. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02260673)

sample application

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)

solvents

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

sugars and alcohol

Tomlins, K.I., Baker, D.M. and McDowell, I.J. (1990) HPLC method for the analysis of organic acids, sugars, and alcohol in extracts of fermenting cocoa beans. Chromatographia, 29 (11-12). pp. 557-561. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261222)

thin layer chromatography

Coker, R.D., Jewers, K., Tomlins, K.I. and Blunden, G. (1988) Evaluation of instrumentation used for high performance thin-layer chromatography of aflatoxins. Chromatographia, 25 (10). pp. 875-880. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02311421)

Tomlins, K.I., Jewers, K., Coker, R.D. and Nagler, M.J. (1989) A bi-directional HPTLC development method for the detection of low levels of aflatoxin in maize extracts. Chromatographia, 27 (1-2). pp. 49-52. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02290404)

thin-layer chromatography

Bradburn, N., Coker, R.D., Jewers, K. and Tomlins, K.I. (1990) Evaluation of the ability of different concentrations of aqueous acetone, aqueous methanol and aqueous acetone: Methanol (1∶1) to extract aflatoxin from naturally contaminated maize. Chromatographia, 29 (9-10). pp. 435-440. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02261390)

Bradburn, N., Jewers, K., Jones, B.D. and Tomlins, K.I. (1989) Rapid method for the clean-up of extracts of cottonseed prior to aflatoxin determination by bi-directional HPTLC. Chromatographia, 28 (11-12). pp. 541-544. ISSN 0009-5893 (Print), 1612-1112 (Online) (doi:10.1007/BF02260673)