Concepedia

Separation and structural elucidation of a novel analogue of vardenafil included as an adulterant in a dietary supplement by liquid chromatography–electrospray ionization mass spectrometry, infrared spectroscopy and nuclear magnetic resonance spectroscopy

Hwa-Mi Lee, Chang Soo Kim, Young Mi Jang, Sung Won Kwon, Bongjin Lee

Journal of Pharmaceutical and Biomedical Analysis · 2010 · 51 citations · 19 references

DOI

Concepts

References

19

Analysis of undeclared synthetic phosphodiesterase-5 inhibitors in dietary supplements and herbal matrices by LC–ESI–MS and LC–UV

Samuel R. Gratz, Cheryl L. Flurer, Karen A. Wolnik · Journal of Pharmaceutical and Biomedical Analysis · 2004 · 175 citations

, , +10

Application of LC–ESI–MS–MS for detection of synthetic adulterants in herbal remedies

M Bogusz, Huda Hassan, Eid Al-Enazi et al. · Journal of Pharmaceutical and Biomedical Analysis · 2006 · 171 citations

, , +7

Strategies for characterizing sildenafil, vardenafil, tadalafil and their analogues in herbal dietary supplements, and detecting counterfeit products containing these drugs

Satya P. Singh, B. L. V. Prasad, Akash A. Savaliya et al. · TrAC Trends in Analytical Chemistry · 2008 · 166 citations

, , +10

Simultaneous determination of synthetic phosphodiesterase-5 inhibitors found in a dietary supplement and pre-mixed bulk powders for dietary supplements using high-performance liquid chromatography with diode array detection and liquid chromatography–electrospray ionization tandem mass spectrometry

Peng Zou, Sharon Sze‐Yin Oh, Peiling Hou et al. · Journal of Chromatography A · 2005 · 147 citations

, , +12

Structure elucidation of sildenafil analogues in herbal products

Leonore Blok‐Tip, Bert Zomer, Frank Bakker et al. · Food Additives & Contaminants · 2004 · 118 citations

, , +15