Effect of membrane chemistry and coating layer on physiochemical properties of thin film composite polyamide RO and NF membranes: I. FTIR and XPS …

CY Tang, YN Kwon, JO Leckie - Desalination, 2009 - Elsevier
The physiochemical properties of reserve osmosis (RO) and nanofiltration (NF) polyamide (PA)
membranes are largely determined by their PA chemistry and coatings, if any. …

Probing the nano-and micro-scales of reverse osmosis membranes—A comprehensive characterization of physiochemical properties of uncoated and coated …

CY Tang, YN Kwon, JO Leckie - Journal of Membrane Science, 2007 - Elsevier
The performance of polyamide (PA) composite reverse osmosis (RO) membranes is
essentially determined by a dense skin layer several hundred nanometers thick. Improved …

Characterization of humic acid fouled reverse osmosis and nanofiltration membranes by transmission electron microscopy and streaming potential measurements

CY Tang, YN Kwon, JO Leckie - Environmental science & …, 2007 - ACS Publications
Reverse osmosis and nanofiltration membranes fouled by humic acid were systematically
characterized by transmission electron microscopy. All fouled membranes, except those with …

Effect of membrane chemistry and coating layer on physiochemical properties of thin film composite polyamide RO and NF membranes: II. Membrane physiochemical …

CY Tang, YN Kwon, JO Leckie - Desalination, 2009 - Elsevier
The physiochemical properties of 17 widely used commercial RO and NF polyamide (PA)
membranes were fully characterized by atomic force microscopy, transmission electron …

Metasurface-driven OLED displays beyond 10,000 pixels per inch

…, S Song, YN Kwon, SH Song, JC Bae, A Jo, MJ Kwon… - Science, 2020 - science.org
Optical metasurfaces are starting to find their way into integrated devices, where they can
enhance and control the emission, modulation, dynamic shaping, and detection of light waves. …

Fouling of reverse osmosis and nanofiltration membranes by humic acid—effects of solution composition and hydrodynamic conditions

CY Tang, YN Kwon, JO Leckie - Journal of Membrane Science, 2007 - Elsevier
Fouling of reverse osmosis (RO) and nanofiltration (NF) membranes by humic acid, a
recalcitrant natural organic matter (NOM), was systematically investigated. The membrane flux …

Hypochlorite degradation of crosslinked polyamide membranes: II. Changes in hydrogen bonding behavior and performance

YN Kwon, JO Leckie - Journal of membrane science, 2006 - Elsevier
In this work the effect of chlorination on the change of hydrogen bonding behavior and
performance of crosslinked aromatic polyamide membrane has been systematically investigated. …

[HTML][HTML] Microplastics waste in environment: A perspective on recycling issues from PPE kits and face masks during the COVID-19 pandemic

…, HK Lee, DTT Huyen, SS Chen, YN Kwon - … Technology & Innovation, 2022 - Elsevier
During the COVID-19 pandemic, the extensive use of face masks and protective personal
equipment (PPE) kits has led to increasing degree of microplastic pollution (MP) because they …

Fate of engineered nanoparticles: implications in the environment

AD Dwivedi, SP Dubey, M Sillanpää, YN Kwon… - Coordination Chemistry …, 2015 - Elsevier
The increased flux of engineered nanoparticles (ENPs) in consumer and commercial products
has become a viable threat, particularly if their release affects the environment. The aim of …

Hypochlorite degradation of crosslinked polyamide membranes: I. Changes in chemical/morphological properties

YN Kwon, JO Leckie - Journal of membrane science, 2006 - Elsevier
When disinfecting or cleaning agents contact polymer-based membranes, hydrolysis and
oxidation with the membrane change surface properties. The research reported here …