Works (10)

Updated: July 5th, 2023 16:00

2006 journal article

Predicting aflatoxin and fumonisin in shelled corn lots sing poor-quality grade components

Journal of AOAC International, 89(2), 433–440.

Source: NC State University Libraries
Added: August 6, 2018

2005 article

Sampling uncertainties for the detection of chemical agents in complex food matrices

Whitaker, T. B., & Johansson, A. S. (2005, June). JOURNAL OF FOOD PROTECTION, Vol. 68, pp. 1306–1313.

By: T. Whitaker n & A. Johansson n

MeSH headings : Aflatoxins / isolation & purification; Analysis of Variance; Animals; Bioterrorism / prevention & control; Chromatography, High Pressure Liquid / methods; Dose-Response Relationship, Drug; Food Analysis; Humans; Models, Theoretical; Reproducibility of Results; Sensitivity and Specificity; Zea mays / chemistry
TL;DR: Aflatoxin is easier to detect and identify in foods intentionally contaminated at high levels than in foods with low levels of contamination because the relative standard deviation decreases and the percentage of contaminated kernels increases with an increase in concentration. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2002 journal article

Sampling wheat for deoxynivalenol

Mycotoxins and Food Safety (Advances in Experimental Medicine and Biology; v. 504), 73–83.

By: T. Whitaker*, W. Hagler n, F. Giesbrecht n & A. Johansson*

Ed(s): M. J. W. DeVries & L. Jackson

MeSH headings : Algorithms; Analysis of Variance; Calibration; Quality Control; Reproducibility of Results; Trichothecenes / analysis; Triticum / chemistry
TL;DR: The variability associated with testing wheat for deoxynivalenol (DON) was measured using a 0.454 kg sample, a Romer mill, 25 g of comminuted subsample and the Romer Fluoroquant analytical method. (via Semantic Scholar)
UN Sustainable Development Goal Categories
2. Zero Hunger (OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Distribution among sample test results when testing shelled corn lots for fumonisin

Journal of AOAC International, 84(3), 770–776.

By: T. Whitaker, W. Hagler, A. Johansson, F. Giesbrecht & M. Trucksess

Source: NC State University Libraries
Added: August 6, 2018

2001 journal article

Variability associated with the official USDA sampling plan used to inspect export wheat shipments for Tilletia controversa spores

PLANT PATHOLOGY, 50(6), 755–760.

By: T. Whitaker n, J. Wu*, G. Peterson*, F. Giesbrecht n & A. Johansson n

author keywords: dwarf bunt; sampling; Tilletia controversa; variability; wheat
TL;DR: The variability among the 16 TC test sample results, as measured by the standard deviation, was found to increase with TC concentration and the functional relationship was approximately linear in a full-log plot and regression analysis was used to determine the coefficients of the regression equation. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Sampling, sample preparation, and analytical variability associated with testing wheat for deoxynivalenol

Journal of AOAC International, 83(5), 1285–1292.

By: T. Whitaker, W. Hagler, F. Giesbrecht & A. Johansson

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Testing shelled corn for aflatoxin, Part I: Estimation of variance components

Journal of AOAC International, 83(5), 1264–1269.

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Testing shelled corn for aflatoxin, Part II: Modeling the observed distribution of aflatoxin test results

Journal of AOAC International, 83(5), 1270–1278.

By: A. Johansson, T. Whitaker, F. Giesbrecht, W. Hagler & J. Young

Source: NC State University Libraries
Added: August 6, 2018

2000 journal article

Testing shelled corn for aflatoxin, Part III: Evaluating the performance of aflatoxin sampling plans

Journal of AOAC International, 83(5), 1279–1284.

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Variability associated with testing shelled corn for fumonisin

Journal of AOAC International, 81(6), 1162–1168.

By: T. Whitaker, M. Trucksess, A. Johansson, F. Giesbrecht, W. Hagler & D. Bowman

Source: NC State University Libraries
Added: August 6, 2018

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