S
Steven Roest
Researcher at University Medical Center Groningen
Publications - 5
Citations - 390
Steven Roest is an academic researcher from University Medical Center Groningen. The author has contributed to research in topics: Micelle & Lower critical solution temperature. The author has an hindex of 5, co-authored 5 publications receiving 314 citations.
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Journal ArticleDOI
A Shape‐Adaptive, Antibacterial‐Coating of Immobilized Quaternary‐Ammonium Compounds Tethered on Hyperbranched Polyurea and its Mechanism of Action
Lia A. T. W. Asri,Mihaela Crismaru,Steven Roest,Yun Chen,Oleksii Ivashenko,Petra Rudolf,Joerg C. Tiller,Henny C. van der Mei,Ton Loontjens,Ton Loontjens,Henk J. Busscher +10 more
TL;DR: Preparing a shape‐adaptive, contact‐killing coating by tethering quaternary‐ammonium‐compounds onto hyperbranched polyurea coatings, able to kill adhering bacteria by partially enveloping them, which causes removal of membrane lipids and eventually lead to bacterial death.
Journal ArticleDOI
Comparison of methods to evaluate bacterial contact-killing materials
Marieke van de Lagemaat,Arjen Grotenhuis,Betsy van de Belt-Gritter,Steven Roest,Ton Loontjens,Henk J. Busscher,Henny C. van der Mei,Yijin Ren +7 more
TL;DR: Three out of five methods compared, including an established ASTM, are unsuitable for evaluating bacterial contact-killing surfaces and methods found suitable should be used in combination with a zone-of-inhibition-assay to establish absence of antimicrobial leaching, potentially interfering with contact- killing.
Journal ArticleDOI
One-Pot Synthesis for Biocompatible Amphiphilic Hyperbranched Polyurea Micelles
Fei Xiang,Marc C. A. Stuart,Joop Vorenkamp,Steven Roest,Hetty Timmer-Bosscha,Remco Fokkink,Ton Loontjens +6 more
TL;DR: The low cytotoxicity of the micelles make them promising for drug delivery, and a method to synthesize AB(2) monomers, the corresponding hyperbranched and the corresponding amphiphilic hyper branched polymers in a one-pot procedure, starting from two commercial available compounds is reported.
Journal ArticleDOI
Macrophage phagocytic activity toward adhering staphylococci on cationic and patterned hydrogel coatings versus common biomaterials
Joana F. da Silva Domingues,Steven Roest,Yi Wang,Henny C. van der Mei,Matthew Libera,Theo G. van Kooten,Henk J. Busscher +6 more
TL;DR: Next-generation biomaterials should account for surface effects on phagocytosis in order to enhance the ability of these materials to resist biomaterial-associated-infection.
Journal ArticleDOI
Charge properties and bacterial contact-killing of hyperbranched polyurea-polyethyleneimine coatings with various degrees of alkylation
TL;DR: In this paper, the authors investigated the contribution of additional alkylation with methyl-iodide to the cationic-charge density of hexyl-bromide alkylated, hyperbranched polyurea-polyethyleneimine coatings.