Lutolf, M P Systematic modulation of Michael-type reactivity of thiols through the use of charged amino acids. [electronic resource] - Bioconjugate chemistry - 1051-6 p. digital Publication Type: Journal Article ISSN: 1043-1802 Standard No.: 10.1021/bc015519e doi Subjects--Topical Terms: Amino Acids--chemistryDrug DesignKineticsPeptides--chemical synthesisPolyethylene Glycols--chemistrySulfhydryl Compounds--chemistry