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2012
25. "Quorum Quenching and Antimicrobial Activity of Goldenseal (Hydrastis canadensis ) against Methicillin-Resistant Staphylococcus aureus (MRSA)."
Nadja B. Cech, Hiyas A. Junio, Laynez W. Ackermann, Jeffrey S. Kavanaugh, and Alexander H. Horswill
Planta Medica, in press
24. "Maplexins, new α-glucosidase inhibitors from red maple (Acer rubrum) stems."
Chunpeng Wan, Tao Yuan, Vamsikrishna Kandhi, Nadja B. Cech, Mingyong Xie, and Navindra P. Seeram.
Bioorganic and Medicinal Chemistry Letters, 22, 567-600
PMID:22079755; doi: 10.1002/chin.201221211
2011
23. "Phenolic glycosides from sugar maple (Acer saccharum) bark."
Tao Yuan, Chunpeng Wan, Antonio Gonzalez-Sarrias, Vamsikrishna Kandhi, Nadja B. Cech, and Navindra P. Seeram.
Journal of Natural Products, 74, 2472-2476
PMID:22032697; doi: 10.1021/np200543z
22. "Synergy Directed Fractionation of Botanical Medicines: A Case Study with Goldenseal (Hydrastis canadensis)."
Hiyas A. Junio, Arlene A. Sy-Cordero, Keivan A. Ettefagh, Johnna T. Burns, Kathryn T. Micko, Tyler N. Graf, Scott J. Richter, Robert E. Cannon, Nicholas H. Oberlies, and Nadja B. Cech.
Journal of Natural Products, 74, 1621-1629
PMCID:PMC3142294; doi: 10.1021/np200336g
21. "Inhibition of H1N1 influenza A virus growth and induction of inflammatory mediators by the isoquinoline alkaloid berberine and extracts of goldenseal (Hydrastis canadensis)."
Chad E. Cecil, Jeanine M. Davis, Nadja B. Cech, and Scott M. Laster.
Intertational Immunopharmacology, 11, 1706-1714
PMID:21683808; doi: 10.1016/j.intimp.2011.06.002
2010
20. "Goldenseal (Hydrastis canadensis L.) extracts synergistically enhance the antibacterial activity of berberine via efflux pump inhibition."
Keivan A. Ettefagh, Johnna T. Burns, Hiyas A. Junio, Glenn W. Kaatz, and Nadja B. Cech.
Planta Medica, 77, 835-840
PMCID: PMC3100400; doi: 10.1055/s-0030-1250606
19. "Echinacea and its alkylamides: effects on the influenza A-induced secretion of cytokines, chemokines, and PGE from RAW 264.7 macrophage-like cells."
Nadja B. Cech, Vamsikrishna Kandhi, Jeanine M. Davis, Amy Hamilton, Dawn Eads, and Scott M. Laster.
Intertational Immunopharmacology, 10, 1268-1278
PMID: 21683808; doi: 10.1016/j.intimp.2010.07.009
18. "Selectivity in Electrospray Ionization Mass Spectrometry."
Nadja B. Cech, and Christie G. Enke.
In: Electrospray and MALDI Mass Spectrometry, Ed. Cole, R.B. 2nd Edition, 49-73
17. "A Validated Liquid Chromatography/Electrospray Ionization-Mass Spectrometry (LC/ESI-MS) Method for Quantification of Spilanthol in Spilanthes acmella (L.) Murr."
Stacy S. Bae, Brandie M. Ehrmann, Keivan A. Ettefagh, and Nadja B. Cech.
Phytochemical Analysis, 21, 438-443
PMID: 20310072; doi: 10.1002/pca.1215
2009
16. "Comparison of alkylamide yield in ethanolic extracts prepared from fresh versus dry Echinacea purpureautilizing HPLC-ESI-MS"
Kevin Spelman, Matthew Wetschler, and Nadja B. Cech.
Journal of Pharmaceutical and Biomedical Analysis, 49, 1141-1149
PMCID: PMC2745817; doi: 10.1016/j.jpba.2009.02.011
15. "Role for PPAR <gamma> in IL-2 inhibition in T cells by Echinacea-derived undeca-2E-ene-8,10- diynoic acid isobutylamide."
Kevin Spelman, Katrina Liams-Hauser, Nadja B. Cech, Ethan Will Taylor, Nicholas Smirnoff, and Cynthia A. Wenner.
International Immunopharmacology, 9, 1260-1264
PMID:19712756; doi: 10.1016/j.intimp.2009.08.009
2008
14. "Relative Importance of Basicity in the Gas Phase and in Solution for Determining Responsiveness to Electrospray Ionization Mass Spectrometry."
Brandie M. Ehrmann, Trina Henriksen, and Nadja B. Cech.
Journal of the American Society for Mass Spectrometry, 19, 719-728
PMID: 18325781; doi: 10.1016/j.jasms.2008.01.003
2007
13. "Changes in floral color and anthocyanin production in Plantago lanceolata in response to temperature."
Elizabeth A. Stiles, Nadja B. Cech, Stacy M. W. Dee, and Elizabeth P. Lacey.
Physiologia Plantarum, 129, 756-765
12. "Effects of Herbal Products and their constituents on Human Cytochrome P4502E1 Activity."
Gregory M. Raner, Sean Cornelius, Kamalika Moulick, Yingqing Wang, Ashley M. Mortenson, Jonathan Hill, Connell Cunningham, and Nadja B. Cech.
Food and Chemical Toxicology, 45, 2359-2365
PMCID: PMC2955861; doi: 10.1016/j.fct.2007.06.012
2006
11. "Echinacea alkylamides inhibit interleukin-2 production by Jurkat human T cells."
Masa Sasagawa, Nadja B. Cech, Dean E. Gray, Gary W. Elmer, and Cynthia A. Wenner.
International Immunopharmacology, 6, 1214-1221
PMID:16714226; doi: 10.1016/j.intimp.2006.02.003
10. "Liver enzyme-mediated oxidation of Echinacea purpurea alkylamides: Production of novel metabolites and changes in immunomodulatory activity. "
Nadja B. Cech, Katrina Tutor, Bethany A. Doty, Kevin Spelman, Masa Sasagawa, Gregory M. Raner, and Cynthia A. Wenner.
Planta Medica, 75, 1372-1377
PMID: 17054047; doi: 10.1055/s-2006-951718
9. "Electrospray ionization mass spectrometry: How and when it works."
Nadja B. Cech, and Christie G. Enke.
Encyclopedia of Mass Spectrometry, 8, 171-180
8. "High performance liquid chromatography/electrospray ionization mass spectrometry for simultaneous analysis of alkylamides and caffeic acid derivatives from Echinacea purpurea extracts."
Nadja B. Cech, Maqueita S. Eleazer, Lawresa T. Shoffner, Amanda C. Davis, Mark R. Crosswhite, and Ashley M. Mortenson.
Journal of Chromatography A, 1103, 219-228
PMID: 16298376; doi: 10.1016/j.chroma.2005.11.008
2005
7. "The relative influences of acidity and polarity on responsiveness of small organic molecules to analysis with negative ion electrospray ionization mass spectrometry (ESI-MS)."
Trina Henriksen, Renee K. Juhler, Bo Svensmark, and Nadja B. Cech.
Journal of the American Society for Mass Spectrometry, 16, 446-455
PMID: 15792713; doi: 10.1016/j.jasms.2004.11.021
2002
6. "Practical implications of some recent studies in electrospray ionization fundamentals."
Nadja B. Cech, and Christie G. Enke.
Mass Spectrometry Reviews, 20, 362-287
PMID: 11997944; doi: 10.1002/mas.10008
2001
5. "Electrospray ionization detection of an inherently nonresponsive epoxide by peptide binding."
Nadja B. Cech, Jennifer R. Krone, and Christie G. Enke.
Rapid Communications in Mass Spectrometry, 15, 1040-1044
PMID:11404839; doi: 10.1002/rcm.337
4. "Predicting electrospray response from chromatographic retention time."
Nadja B. Cech, Jennifer R. Krone, and Christie G. Enke.
Analytical Chemistry, 73, 208-213
PMID: 11199967; doi: 10.1021/ac0006019
3. "The effect of affinity for charged droplet surfaces on the fraction of analyte charged in the electrospray process."
Nadja B. Cech, and Christie G. Enke.
Analytical Chemistry, 73, 4632-4639
PMID:11605841; doi: 10.1021/ac001267j
2000
2. "Relating electrospray ionization response to non-polar character of small peptides."
Nadja B. Cech, and Christie G. Enke.
Analytical Chemistry, 72, 2717-2723
PMID:10905298; doi: 10.1021/ac9914869
1999
1. "Electrospray ionization mass spectrometric analysis of blood for differentiation of species."
Edgard O. Espinoza, Nadja B. Cech, Kathy M. Gordon, Jessica Ekhoff, and Mark A. Kirms.
Analytical Biochemistry, 268, 252-261
PMID:10075815; doi: 10.1006/abio.1998.3048 |
