Lopes NP - Search Results

1

Electrospray ionization tandem mass spectrometry analysis of isopimarane diterpenes from Velloziaceae.

da Cunha Pinto A, Vessecchi R, da Silva CG, Amorim AC, dos Santos Júnior HM, Rezende MJ, Gates PJ, Rezende CM, Lopes NP. da Cunha Pinto A, et al. Among authors: lopes np. Rapid Commun Mass Spectrom. 2016 Jan 15;30(1):61-8. doi: 10.1002/rcm.7411. Rapid Commun Mass Spectrom. 2016. PMID: 26661971

2

Fragmentation studies on monensin A and B by accurate-mass electrospray tandem mass spectrometry.

Lopes NP, Stark CB, Hong H, Gates PJ, Staunton J. Lopes NP, et al. Rapid Commun Mass Spectrom. 2002;16(5):414-20. doi: 10.1002/rcm.592. Rapid Commun Mass Spectrom. 2002. PMID: 11857725

3

Fragmentation studies on monensin A by sequential electrospray mass spectrometry.

Lopes NP, Stark CB, Gates PJ, Staunton J. Lopes NP, et al. Analyst. 2002 Apr;127(4):503-6. doi: 10.1039/b110412h. Analyst. 2002. PMID: 12022649

4

Fragmentation studies on lasalocid acid by accurate mass electrospray mass spectrometry.

Lopes NP, Gates PJ, Wilkins JP, Staunton J. Lopes NP, et al. Analyst. 2002 Sep;127(9):1224-7. doi: 10.1039/b201662a. Analyst. 2002. PMID: 12375848

5

Novel gas-phase ion-molecule aromatic nucleophilic substitution in beta-carbolines.

Lopes NP, Fonseca T, Wilkins JP, Staunton J, Gates PJ. Lopes NP, et al. Chem Commun (Camb). 2003 Jan 7;(1):72-3. doi: 10.1039/b210117c. Chem Commun (Camb). 2003. PMID: 12610971

6

Sesquiterpene lactones from Lychnophora ericoides.

Sakamoto HT, Flausino D, Castellano EE, Stark CB, Gates PJ, Lopes NP. Sakamoto HT, et al. Among authors: lopes np. J Nat Prod. 2003 May;66(5):693-5. doi: 10.1021/np020314v. J Nat Prod. 2003. PMID: 12762810

7

The effect of ruthenium(III) chloride on the formation of protonated parent ions in electrospray mass spectrometry.

Stark CB, Lopes NP, Fonseca T, Gates PJ. Stark CB, et al. Among authors: lopes np. Chem Commun (Camb). 2003 Nov 7;(21):2732-3. doi: 10.1039/b309913j. Chem Commun (Camb). 2003. PMID: 14649834

8

Evidence for gas-phase redox chemistry inducing novel fragmentation in a complex natural product.

Lopes NP, Stark CB, Staunton J, Gates PJ. Lopes NP, et al. Org Biomol Chem. 2004 Feb 7;2(3):358-63. doi: 10.1039/b311871a. Epub 2003 Dec 24. Org Biomol Chem. 2004. PMID: 14747864

9

Fragmentation studies on tetronasin by accurate-mass electrospray tandem mass spectrometry.

Fonseca T, Lopes NP, Gates PJ, Staunton J. Fonseca T, et al. Among authors: lopes np. J Am Soc Mass Spectrom. 2004 Mar;15(3):325-35. doi: 10.1016/j.jasms.2003.10.020. J Am Soc Mass Spectrom. 2004. PMID: 14998534 Free article.

10

New chemical evidence for the ability to generate radical molecular ions of polyenes from ESI and HR-MALDI mass spectrometry.

Guaratini T, Vessecchi RL, Lavarda FC, Maia Campos PM, Naal Z, Gates PJ, Lopes NP. Guaratini T, et al. Among authors: lopes np. Analyst. 2004 Dec;129(12):1223-6. doi: 10.1039/b412154f. Epub 2004 Oct 22. Analyst. 2004. PMID: 15565222

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