Leonore Blok‐Tip

Structure elucidation of sildenafil analogues in herbal products

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

Medicinal Chemistry, Urology, Pharmaceutical Science +15

Screening suspected counterfeit Viagra® and imitations of Viagra® with near-infrared spectroscopy

M.J. Vredenbregt, Leonore Blok‐Tip, R Hoogerbrugge et al. · Journal of Pharmaceutical and Biomedical Analysis · 2005 · 115 citations

Near-infrared Spectroscopy, Counterfeit Viagra®

Mass Spectrometric Determination of the Sites of O-Glycan Attachment with Low Picomolar Sensitivity

Geert Jan Rademaker, Spiros A. Pergantis, Leonore Blok‐Tip et al. · Analytical Biochemistry · 1998 · 109 citations

Glycoproteomics, Mass Spectrometric Determination, O-glycan Attachment +14

<b>NodZ of <i>Bradyrhizobium</i> extends the nodulation host range of <i>Rhizobium</i> by adding a fucosyl residue to nodulation signals</b>

Isabel M. López‐Lara, Leonore Blok‐Tip, Carmen Quinto et al. · Molecular Microbiology · 1996 · 72 citations

Bacterial nodulation protein NodZ is a chitin oligosaccharide fucosyltransferase which can also recognize related substrates of animal origin

Carmen Quinto, André H. M. Wijfjes, Guido V. Bloemberg et al. · Proceedings of the National Academy of Sciences · 1997 · 59 citations · Full text