Search Results - "Burns, D. T."

Is food allergen analysis flawed? Health and supply chain risks and a proposed framework to address urgent analytical needs by Walker, M J, Burns, D T, Elliott, C T, Gowland, M H, Mills, E N Clare

“…Food allergy is an increasing problem for those affected, their families or carers, the food industry and for regulators. The food supply chain is highly…”
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White line disease: A review (1998–2018) by O’Grady, S. E., Burns, T. D.

“…Summary White line disease (WLD) is a significant pathological condition that affects the equine hoof. White line disease continues to frustrate veterinarians…”
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Honey authenticity: the opacity of analytical reports - part 1 defining the problem by Walker, M. J., Cowen, S., Gray, K., Hancock, P., Burns, D. T.

“…The composition of honey, a complex natural product, challenges analytical methods attempting to determine its authenticity particularly in the face of…”
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Honey authenticity: the opacity of analytical reports—part 2, forensic evaluative reporting as a potential solution by Walker, M. J., Cowen, S., Gray, K., Hancock, P., Burns, D. T.

“…The analytical techniques applied to verify honey authenticity are multifaceted and often result in complex data rich certificates of analysis that are open to…”
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Alkaline cooking (nixtamalisation) and the reduction in the in vivo toxicity of fumonisin-contaminated corn in a rat feeding bioassay by Voss, K. A, Riley, R. T, Moore, N. D, Burns, T. D

“…Nixtamalisation is a widely used food processing method in which whole kernel corn is cooked and steeped in alkaline water. It reduces the amount of fumonisin…”
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A new approach to the determination of air kerma using primary-standard cavity ionization chambers by Burns, D T

“…A consistent formalism is presented using Monte Carlo calculations to determine the reference air kerma from the measured energy deposition in a…”
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Fire effects on ecosystem nitrogen cycling in a Californian bishop pine forest by Grogan, P, Bruns, T.D, Chapin, F.S. III

“…Fire can cause severe nitrogen (N) losses from grassland, chaparral, and temperate and boreal forest ecosystems. Paradoxically, soil ammonium levels are…”
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Fumonisin concentrations and in vivo toxicity of nixtamalized Fusarium verticillioides culture material: Evidence for fumonisin–matrix interactions by Burns, T.D., Snook, M.E., Riley, R.T., Voss, K.A.

“…The toxic potential of nixtamalized foods can be underestimated if, during cooking, reversible fumonisin–food matrix interactions reduce the amount of…”
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Ion recombination corrections for the NACP parallel-plate chamber in a pulsed electron beam by Burns, D T, McEwen, M R

“…The NACP electron chamber is one of three parallel-plate chambers recommended for use in the UK. Measurements with this chamber type have indicated a problem…”
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Diaphragm correction factors for free-air chamber standards for air kerma in x-rays by Burns, D T, Kessler, C

“…At present, only a correction factor for photon transmission, k(l), is systematically applied for the entrance diaphragm of free-air chamber standards for air…”
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Use of the BIPM calorimetric and ionometric standards in megavoltage photon beams to determine Wair and Ic by Burns, D T, Picard, S, Kessler, C, Roger, P

“…The BIPM graphite calorimeter standard for absorbed dose to water has been used in conjunction with an ionization chamber of known volume and with Monte Carlo…”
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R50 as a beam quality specifier for selecting stopping-power ratios and reference depths for electron dosimetry by Burns, D T, Ding, G X, Rogers, D W

“…For electron beam reference dosimetry in radiotherapy, it is shown that by choosing the reference depth as dref = 0.6R(50)-0.1 cm, where R50 is the half-value…”
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Rapid analysis of ecstasy and related phenethylamines in seized tablets by Raman spectroscopy by Bell, S E, Burns, D T, Dennis, A C, Speers, J S

“…Raman spectroscopy with far-red excitation has been used to study seized, tableted samples of MDMA (N-methyl-3,4-methylenedioxyamphetamine) and related…”
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Composition profiling of seized ecstasy tablets by Raman spectroscopy by Bell, S E, Burns, D T, Dennis, A C, Matchett, L J, Speers, J S

“…Raman spectroscopy with far-red excitation has been investigated as a simple and rapid technique for composition profiling of seized ecstasy (MDMA,…”
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Use of the term "recovery" and "apparent recovery" in analytical procedures (IUPAC Recommendations 2002) by Burns, D. T., Danzer, Klaus, Townshend, A.

“…The terms and are recommended to avoid confusion caused by the use of the term to cover two distinct situations. These situations deal with: (a) the of a…”
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Air-kerma determination using a variable-volume cavity ionization chamber standard by Burns, D T, Kessler, C, Roger, P

“…A graphite-walled cavity ionization chamber of modular design and variable volume has been used to determine the air-kerma rate in the reference 60Co field at…”
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Spectrophotometric determination of copper after extraction of its chelate with bis(acetylacetone)ethylenediimine by Chimpalee, N., Chimpalee, D., Lohwithee, S., Nakwatchara, L., Burns, D.Thorburn

“…Copper can be determined spectrophotometrically at 343, 370 and 545 nm, based on the reaction of copper(II) and bis(acetylacetone)ethylenediimine after…”
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A new method to determine ratios of electron stopping powers to an improved accuracy by Burns, D T, Duane, S, McEwen, M R

“…A new method is presented to determine the ratio of electron stopping powers which is effective in the transfer of absorbed dose from one medium to another…”
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Comparison of the NIST and BIPM Medium-Energy X-Ray Air-Kerma Measurements by Burns, D T, O'Brien, M, Lamperti, P, Boutillon, M

“…The air-kerma standards used for the measurement of medium-energy x rays were compared at the National Institute of Standards and Technology (NIST) and at the…”
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Comparison of the NIST and BIPM Standards for Air Kerma in Medium-Energy X-Rays by Burns, D T, O'Brien, M

“…A comparison has been made of the air-kerma standards for medium-energy x-rays of the National Institute of Standards and Technology (NIST) and the Bureau…”
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