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Year 2004 Remove constraint 2004: 2004 Subjects mass spectrometry Remove constraint mass spectrometry: mass spectrometry
Displaying items 1 - 10 of 21 start over

1. Application of a new GC-MS method for determining ester contents following alkaline or enzymatic hydrolysis of sugar beet pulp and pectin

Description:
Conference held April 4-7, 2004, Atlanta, Georgia.
Author:
Savary, B.J. , Nunez, A.
Subject:
sugar beet pulp , gas chromatography , mass spectrometry , esters
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Biological and molecular variability among High Plains virus isolates

Description:
Includes references
Author:
Seifers, D.L. , She, Y.M. , Harvey, T.L. , Martin, T.J. , Haber, S. , Ens, W. , Standing, K.G. , Louie, R. , Gordon, D.T.
Subject:
High Plains virus , plant viruses , nucleocapsid proteins , sequence analysis , spectral analysis , geographical variation , Zea mays , corn , grain crops , host plants , disease resistance , mass spectrometry , amino acid sequences , Colorado , Idaho , Kansas , Texas , Utah
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. Cobalamin speciation using reversed-phase micro-high-performance liquid chromatography interfaced to inductively coupled plasma mass spectrometry

Description:
Includes references
Author:
Yanes, Enrique G. , Miller-Ihli, Nancy J.
Subject:
chemical analysis , vitamin B12 , high performance liquid chromatography , mass spectrometry , optimization , cobalt , chromatography , spectrometers , methanol , atomizers
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

4. Comparison of a bioassay and a liquid chromatography-fluorescence-mass spectrometry(n) method for the detection of incurred enrofloxacin residues in chicken tissues

Description:
Includes references
Author:
Schneider, M.J. , Donoghue, D.J.
Subject:
chicken meat , antibiotic residues , laboratory techniques , enrofloxacin , bioassays , Klebsiella pneumoniae , screening , liquid chromatography , mass spectrometry , fluorescence emission spectroscopy , breast muscle , thighs , meat cuts , ciprofloxacin , cost effectiveness
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

5. 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

6. Development of a high performance liquid chromatography/mass spectroscopy method for the determination of strychnine concentrations in insects used to assess potential risks to insectivores

Description:
Includes references
Author:
Stahl, Randal S. , Arjo, Wendy M. , Wagner, Kim K. , Furcolow, Carol , Nolte, Dale L. , Johnston, John J.
Subject:
strychnine , rodenticides , pesticide residues , high performance liquid chromatography , mass spectrometry , nontarget organisms , insects , Diptera , Coleoptera , Hymenoptera , larvae , adult insects , risk assessment , carrion insects , food chain , insectivores
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Differentiating orange juices using routine analyses as compared to instrumental methods

Description:
Includes references
Author:
Goodner, K.L.
Subject:
orange juice , food analysis , statistical models , brix , color , pH , ascorbic acid , orange pulp , gas chromatography , sensors , mass spectrometry , cost effectiveness , juice concentrates , juice quality , principal component analysis , discriminant analysis
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. Electrospray ionization MS of high M.W. TAG oligomers

Description:
Includes references
Author:
Byrdwell, W.C. , Neff, W.E.
Subject:
triolein , dietary fat , models , triacylglycerols , molecular weight , heat treatment , oxidation , mass spectrometry
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Flavonoid glycosides and antioxidant capacity of various blackberry, blueberry and red grape genotypes determined by high-performance liquid chromatography/mass spectrometry

Description:
Includes references
Author:
Cho, M.J. , Howard, L.R. , Prior, R.L. , Clark, J.R.
Subject:
wine grapes , blueberries , blackberries , fruit composition , flavonoids , glycosides , antioxidant activity , reversed-phase high performance liquid chromatography , mass spectrometry , flavonols
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

10. Identifying citrus limonoid aglycones by HPLC-EI/MS and HPLC-APCI/MS techniques

Description:
Includes references
Author:
Manners, G.D. , Breksa, A.P. III
Subject:
Citrus reticulata , Citrus madurensis , seeds , plant extracts , phytochemicals , limonoids , high performance liquid chromatography , mass spectrometry
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004