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Year 2004 Remove constraint 2004: 2004 Subjects quantitative analysis Remove constraint quantitative analysis: quantitative analysis
Displaying items 1 - 10 of 16 start over

1. Comparison of three sample preparation methods on the recovery of volatiles from taheebo (Tabebuia impetiginosa Martius ex DC)

Description:
Includes references
Author:
Park, Byeoung-Soo , Lee, Kwang-Geun , Takeoka, Gary R.
Subject:
Tabebuia impetiginosa , indigenous species , medicinal plants , plant extracts , supercritical fluid extraction , distillation , steaming , headspace analysis , capillary gas chromatography , mass spectrometry , volatile compounds , flavor , evaporation , quantitative analysis , South America , Central America
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Detection of zearalenone and related metabolites by fluorescence polarization immunoassay

Description:
Includes references
Author:
Maragos, C.M. , Kim, E.K.
Subject:
corn , products and commodities , zearalenone , zearalenol , estrogenic properties , detection , fluorescent antibody technique , extraction , chemical structure , quantitative analysis , rapid methods , food microbiology , food safety
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Determination of the fatty acid profile by 1H-NMR spectroscopy

Description:
Includes references
Author:
Knothe, G. , Kenar, J.A.
Subject:
vegetable oil , triacylglycerols , fatty acid esters , fatty acid composition , unsaturated fatty acids , oleic acid , linoleic acid , linolenic acid , saturated fatty acids , palmitic acid , stearic acid , quantitative analysis , nuclear magnetic resonance spectroscopy , capillary gas chromatography
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Development of a quantitative high-performance liquid chromatography-photodiode array detection measurement system for phenolic acids

Description:
Includes references
Author:
Robbins, R.J. , Bean, S.R.
Subject:
phenolic acids , high performance liquid chromatography , quantitative analysis , food analysis , wines
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. Development of bollworms, Helicoverpa zea, on two commercial Bollgard cultivars that differ in overall Cry1Ac levels

Description:
Includes references
Author:
Adamczyk, J.J. Jr. , Gore, J.
Subject:
Helicoverpa zea , Gossypium hirsutum , cotton , transgenic plants , cultivars , delta-endotoxins , crystal proteins , insecticidal proteins , gene expression , quantitative analysis , insect development , insect growth , varietal resistance
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Identification of Thlaspi caerulescens genes that may be involved in heavy metal hyperaccumulation and tolerance. Characterization of a novel heavy metal transporting ATPase

Description:
Includes references
Author:
Papoyan, A. , Kochian, L.V.
Subject:
Thlaspi caerulescens , hyperaccumulators , metal tolerance , heavy metals , cadmium , zinc , lead , copper , plant proteins , metallothionein , ion transporting ATPases , Saccharomyces cerevisiae , genetic complementation , quantitative analysis , amino acid sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Mechanisms of arsenic hyperaccumulation in Pteris species: root As influx and translocation

Description:
Includes references
Author:
Poynton, C.Y. , Huang, J.W. , Blaylock, M.J. , Kochian, L.V. , Elless, M.P.
Subject:
Pteris vittata , Pteris cretica , Nephrolepis exaltata , hyperaccumulators , uptake mechanisms , physiological transport , arsenic , toxic substances , quantitative analysis , phosphates
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Microplate quantification of plant leaf superoxide dismutases

Description:
Includes references
Author:
Banowetz, Gary M. , Dierksen, Karen P. , Azevedo, Mark D. , Stout, Richard
Subject:
chemical constituents of plants , plant biochemistry , superoxide dismutase , enzyme activity , quantitative analysis
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Mid-infrared spectroscopy of trash in cotton rotor dust

Description:
Includes references
Author:
Foulk, J. , McAlister, D. , Himmelsbach, D. , Hughs, E.
Subject:
cotton ginning , cotton gin trash , dust emissions , particles , Fourier transform infrared spectroscopy , spectral analysis , qualitative analysis , quantitative analysis , rotors , equipment performance , processing technology
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Quantification of cattail (Typha spp.) in the prairie pothole region of North Dakota in relation to blackbird damage to sunflower

Description:
Includes references
Author:
Ralston, Scott T. , Linz, George M. , Bleier, William J.
Subject:
Typha , quantitative analysis , vertebrate pests , wild birds , monitoring , Helianthus annuus , remote sensing , pest management , habitats , weed control , Agelaius phoeniceus , Quiscalus quiscula , North Dakota , Prairie Pothole region
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004