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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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A Shape‐Adaptive, Antibacterial‐Coating of Immobilized Quaternary‐Ammonium Compounds Tethered on Hyperbranched Polyurea and its Mechanism of Action

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.
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Comparison of methods to evaluate bacterial contact-killing materials

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.
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One-Pot Synthesis for Biocompatible Amphiphilic Hyperbranched Polyurea Micelles

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.
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Macrophage phagocytic activity toward adhering staphylococci on cationic and patterned hydrogel coatings versus common biomaterials

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.
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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.