Bulletin of the American Physical Society
2023 APS March Meeting
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N00: Poster Session II (11am-2pm PST)
11:00 AM,
Wednesday, March 8, 2023
Room: Exhibit Hall (Forum Ballroom)
Sponsoring
Unit:
APS
Abstract: N00.00053 : Antifouling and antimicrobial properties of surface micelle structures fabricated by the self-assembly of block copolymers on solids*
Presenter:
David Witdorchic
(Stony Brook University (SUNY))
Authors:
David Witdorchic
(Stony Brook University (SUNY))
Aiden Gauer
(Stony Brook University)
Daniel Salatto
(State Univ of NY - Stony Brook)
ZHIXING HUANG
(Stony Brook University (SUNY))
Xiaoran Wang
(Stony Brook University)
Nicholas Minasian
(Stony Brook University)
Daniel Razgonyaev
(Stony Brook University)
Mikihito Takenaka
(Kyoto Univ)
Maya K Endoh
(Stony Brook University)
Tad Koga
(Stony Brook University)
Todd Benziger
(Stony Brook University)
David Thanassi
(Stony Brook University)
Collaboration:
N/A
chemical-based approaches that are often toxic to human beings and environments. Many
experimental and computational studies reported a concept of engineered topographies to
produce surfaces with controlled interactions with proteins and bacteria. Here we focus on
engineered nanosurfaces inspired by the naturally occurring ones found on the surface of insect
wings (i.e., hexagonal arrays of cylindrical nanopillars). We use the self-assembled micelle
structures of block copolymers on silicon substrates using spin-coating and dip-coating as a
rational model. We characterize the surface structures and physical properties using a suite of
experimental tools including water contact angle measurements, atomic force microscopy,
scanning electron microscopy, and grazing incidence small-angle X-ray scattering. The
antifouling properties of the micelle structures against model proteins (i.e., Bovine Serum
Albumin and fibrinogen) and bacteria (Escherichia coli and Listeria monocytogenes) will be
discussed. We will also discuss the effects of the geometric parameters of the micelle structures
on the properties.
*National Science Foundation (DMR 2210207 and DGE 1922639).International Collaborative Research Program of Institute for Chemical Research, Kyoto University (grant # 2022-96).Undergraduate Research and Creative Activities Program, Stony Brook University.
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