Simultaneous Determination of Sildenafil, Tadalafil, and Vardenafil in Pharmaceutical Preparations by High-Temperature Gas Chromatography/Mass Spectrometry

“One-shot” analysis of PDE-5 inhibitors and analogues in counterfeit herbal natural products using an LC-DAD-QTOF system

(2015) Claudio Bortolini et al.   ANALYTICAL AND BIOANALYTICAL CHEMISTRY

Determination of Phosphodiesterase-5 Inhibitors and Analogs Using High-Performance Liquid Chromatography with Ultraviolet Detection

(2014) E. A. Nickum et al.   JOURNAL OF CHROMATOGRAPHIC SCIENCE

A rapid, quantitative liquid chromatography-mass spectrometry screening method for 71 active and 11 natural erectile dysfunction ingredients present in potentially adulterated or counterfeit products

(2014) Philippe Lebel et al.   JOURNAL OF CHROMATOGRAPHY A

Qualitative and quantitative analysis of PDE-5 inhibitors in counterfeit medicines and dietary supplements by HPLC–UV using sildenafil as a sole reference

(2014) Ida Fejős et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Simultaneous determination of 38 phosphodiestrase-5 inhibitors in illicit erectile dysfunction products by liquid chromatography–electrospray ionization-tandem mass spectrometry

(2013) Eung-Sun Lee et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Understanding and fighting the medicine counterfeit market

(2013) Klara Dégardin et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

High temperature gas chromatography–time-of-flight-mass spectrometry (HTGC–ToF-MS) for high-boiling compounds

(2012) P.A. Sutton et al.   JOURNAL OF CHROMATOGRAPHY A

Towards a decade of detecting new analogues of sildenafil, tadalafil and vardenafil in food supplements: A history, analytical aspects and health risks

(2012) B.J. Venhuis et al.   JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS

Mini Review: Determination of Sildenafil Citrate in Pharmaceutical Prepaprations

(2011) Andrei A. Bunaciu et al.   ANALYTICAL LETTERS

Perspectives of Liquid Chromatography Coupled to Low- and High-Resolution Mass Spectrometry for Screening, Identification, and Quantification of Drugs in Clinical and Forensic Toxicology

(2010) Hans H Maurer   THERAPEUTIC DRUG MONITORING

Pitfalls and Prevention Strategies for Liquid Chromatography-Tandem Mass Spectrometry in the Selected Reaction- Monitoring Mode for Drug Analysis

(2008) F.-L. Sauvage et al.   CLINICAL CHEMISTRY

Extending the molecular application range of gas chromatography

(2008) Erwin Kaal et al.   JOURNAL OF CHROMATOGRAPHY A