Detalhe da pesquisa
1.
Analysis of N-nitrosodimethylamine in metformin hydrochloride products by high-resolution accurate mass gas chromatography mass spectrometry.
Rapid Commun Mass Spectrom
; 37(1): e9414, 2023 Jan 15.
Artigo
em Inglês
| MEDLINE | ID: mdl-36239213
2.
Determination of N-nitroso folic acid in folic acid and multivitamin supplements by LC-MS/MS.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess
; 41(1): 1-8, 2024 Jan.
Artigo
em Inglês
| MEDLINE | ID: mdl-38100531
3.
Structural elucidation of a new sildenafil analogue using high-resolution Orbitrap mass spectrometry.
Rapid Commun Mass Spectrom
; 27(12): 1380-4, 2013 Jun 30.
Artigo
em Inglês
| MEDLINE | ID: mdl-23681816
4.
Analytical methods for the detection and characterization of unapproved phosphodiesterase type 5 inhibitors (PDE-5i) used in adulteration of dietary supplements- a review.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess
; 40(12): 1495-1530, 2023 Dec.
Artigo
em Inglês
| MEDLINE | ID: mdl-38011602
5.
Isolation and characterization of N-phenyl propoxyphenyl carbodenafil from an illegal coffee powder product.
J Pharm Biomed Anal
; 209: 114481, 2022 Feb 05.
Artigo
em Inglês
| MEDLINE | ID: mdl-34838347
6.
Isolation and characterization of N-hydroxyethyl dithio-desethyl carbodenafil from a health supplement.
J Pharm Biomed Anal
; 189: 113431, 2020 Sep 10.
Artigo
em Inglês
| MEDLINE | ID: mdl-32599489
7.
Elucidation of the absolute configuration of a tadalafil analogue found as adulterant in a health supplement by mass spectrometry, chiroptical methods and NMR spectroscopy.
J Pharm Biomed Anal
; 173: 47-55, 2019 Sep 05.
Artigo
em Inglês
| MEDLINE | ID: mdl-31112851
8.
A review of synthetic phosphodiesterase type 5 inhibitors (PDE-5i) found as adulterants in dietary supplements.
J Pharm Biomed Anal
; 147: 250-277, 2018 Jan 05.
Artigo
em Inglês
| MEDLINE | ID: mdl-28903860
9.
Isolation and characterization of a novel dithio-carbodenafil analogue from a health supplement.
J Pharm Biomed Anal
; 137: 132-138, 2017 Apr 15.
Artigo
em Inglês
| MEDLINE | ID: mdl-28113089
10.
Analysis of 40 weight loss compounds adulterated in health supplements by liquid chromatography quadrupole linear ion trap mass spectrometry.
Drug Test Anal
; 8(3-4): 351-6, 2016.
Artigo
em Inglês
| MEDLINE | ID: mdl-26305055
11.
Isolation and characterization of a tadalafil analogue, N-cyclopentyl nortadalafil in health supplement.
J Pharm Biomed Anal
; 118: 235-241, 2016 Jan 25.
Artigo
em Inglês
| MEDLINE | ID: mdl-26580820
12.
Application of Orbitrap-mass spectrometry to differentiate isomeric sildenafil- and thiosildenafil-like analogues used for the adulteration of dietary supplements.
Food Addit Contam Part A Chem Anal Control Expo Risk Assess
; 32(10): 1737-48, 2015.
Artigo
em Inglês
| MEDLINE | ID: mdl-26179419
13.
Analysis of 32 toxic natural substances in herbal products by liquid chromatography quadrupole linear ion trap mass spectrometry.
J Pharm Biomed Anal
; 115: 169-73, 2015 Nov 10.
Artigo
em Inglês
| MEDLINE | ID: mdl-26210743
14.
Screening of synthetic PDE-5 inhibitors and their analogues as adulterants: analytical techniques and challenges.
J Pharm Biomed Anal
; 87: 176-90, 2014 Jan.
Artigo
em Inglês
| MEDLINE | ID: mdl-23721687
15.
Structural elucidation of propoxyphenyl isobutyl aildenafil, adulterant in a health supplement using high-resolution Orbitrap mass spectrometry.
J Pharm Biomed Anal
; 98: 153-9, 2014 Sep.
Artigo
em Inglês
| MEDLINE | ID: mdl-24922086
16.
Analysis of 40 weight loss compounds adulterated in health supplements by liquid chromatography quadrupole linear ion trap mass spectrometry.
Drug Test Anal
; 9(2): 334, 2017 Feb.
Artigo
em Inglês
| MEDLINE | ID: mdl-28160458
17.
Isolation and structural elucidation of flibanserin as an adulterant in a health supplement used for female sexual performance enhancement.
J Pharm Biomed Anal
; 57: 104-8, 2012 Jan 05.
Artigo
em Inglês
| MEDLINE | ID: mdl-21955644
18.
Isolation and characterization of propoxyphenyl linked sildenafil and thiosildenafil analogues in health supplements.
J Pharm Biomed Anal
; 70: 265-72, 2012 Nov.
Artigo
em Inglês
| MEDLINE | ID: mdl-22840979
19.
Partial conversion of methanol to formaldehyde in the gas chromatography injection port and reactivity with amines.
J Chromatogr A
; 1257: 158-70, 2012 Sep 28.
Artigo
em Inglês
| MEDLINE | ID: mdl-22907044