Hyunook Kim
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View article: Cyclodextrin polymer networks synthesis via amine-functionalized tripodal crosslinker for ultra-rapid removal of PFAS from water
Cyclodextrin polymer networks synthesis via amine-functionalized tripodal crosslinker for ultra-rapid removal of PFAS from water Open
Herein, we developed a β-cyclodextrin (β-CD)-based polymer crosslinked with tripodal amine to demonstrate the synergetic effects of the superior adsorption of both short- and long-chain per- and polyfluoroalkyl substances (PFASs). Kinetics…
View article: Analysis of Nutritional Composition and Flavor Patterns by Variety (Porphyra dentata and Porphyra yezoensis) in Dried Laver from Jeonnam, Korea
Analysis of Nutritional Composition and Flavor Patterns by Variety (Porphyra dentata and Porphyra yezoensis) in Dried Laver from Jeonnam, Korea Open
This study analyzed 192 samples of Porphyra dentata (P-dent) and 201 samples of Porphyra yezoensis (P-yezo) from Jeonnam in Korea. Principal component analysis (PCA) and correlation analysis were conducted to establish a nutritional compon…
View article: A Study on the Distribution Characteristics of Microplastics in the Atmosphere Using Spectroscopic Analysis
A Study on the Distribution Characteristics of Microplastics in the Atmosphere Using Spectroscopic Analysis Open
In this study, microplastics in atmospheric fine dust were isolated based on size and subsequently identified using μ-Raman. First, fine dust was collected using a high-volume air sampler with a stainless-steel (STS) filter; the STS filter…
View article: Prevention of water pollution through combined sewer overflow using high-speed biofiltration in urban watershed
Prevention of water pollution through combined sewer overflow using high-speed biofiltration in urban watershed Open
Over recent decades, the rural areas of Korea, including containing source waters, have become extensively developed. Combined sewer systems (CSSs) have been constructed to collect the sewage generated from these areas. Presently, it is co…
View article: Enhanced removal and stepwise recovery of inorganic and organic micropollutants from water using novel graphene oxide doped multifunctional β−cyclodextrin chitosan polymer
Enhanced removal and stepwise recovery of inorganic and organic micropollutants from water using novel graphene oxide doped multifunctional β−cyclodextrin chitosan polymer Open
Herein, graphene oxide (GO) was successfully functionalized on the multifunctional β−cyclodextrin chitosan polymer through EDTA crosslinking (GO@CS−EDTA−β−CD) for the adsorption of toxic inorganic and organic micropollutants from water. Th…
View article: Applicability of Rice Husk Residue Generated by the Silica Extraction Process to Anaerobic Digestion for Methane Production
Applicability of Rice Husk Residue Generated by the Silica Extraction Process to Anaerobic Digestion for Methane Production Open
Rice husks are a feedstock of biogenic silica because of their high silica content. After silica extraction, a solid residue comprising mostly carbohydrates is present. Solid residue valorization is important for closed-loop systems using …
View article: Monitoring, control and assessment of microplastics in bioenvironmental systems
Monitoring, control and assessment of microplastics in bioenvironmental systems Open
Microplastics (MPs) have garnered significant attention in recent years due to their potential detrimental effects on both bioenvironmental systems and human health. Numerous studies have documented the presence of notable concentrations o…
View article: Evaluation of vertical distribution characteristics of microplastics under 20 μm in lake and river waters in South Korea
Evaluation of vertical distribution characteristics of microplastics under 20 μm in lake and river waters in South Korea Open
Following the alarming reports of microplastic pollution in the marine environment, increased attention has been given to microplastics in other environmental media. Despite the attention, there is limited information on the effects of mic…
View article: Editorial: Water-Energy-Food-Health Solutions and innovations for low-carbon, climate-resilient drylands
Editorial: Water-Energy-Food-Health Solutions and innovations for low-carbon, climate-resilient drylands Open
EDITORIAL article Front. Environ. Sci., 17 March 2023Sec. Environmental Economics and Management Volume 11 - 2023 | https://doi.org/10.3389/fenvs.2023.1153671
View article: Evaluation of Vertical Distribution Characteristics of Microplastics under 20 μm in River and Lake Waters in South Korea
Evaluation of Vertical Distribution Characteristics of Microplastics under 20 μm in River and Lake Waters in South Korea Open
Following the alarming reports of microplastic pollution in the marine environment, increased attention has been given to microplastics in other environmental media. Despite the attention, there is limited information on the effects of mic…
View article: Uncontrolled Disposal of Used Masks Resulting in Release of Microplastics and Co-Pollutants into Environment
Uncontrolled Disposal of Used Masks Resulting in Release of Microplastics and Co-Pollutants into Environment Open
The global panic caused by COVID-19 has continued to increase people’s demand for masks. However, due to inadequate management and disposal practice, these masks have, unfortunately, entered the environment and release a large amount of mi…
View article: Application of Reeds as Carbon Source for Enhancing Denitrification of Low C/N Micro-Polluted Water in Vertical-Flow Constructed Wetland
Application of Reeds as Carbon Source for Enhancing Denitrification of Low C/N Micro-Polluted Water in Vertical-Flow Constructed Wetland Open
Constructed wetlands have been applied to micro-polluted rivers and lakes. However, they often show poor nitrogen removal efficiency due to insufficient carbon sources for complete denitrification in the waters. In this study, a vertical-f…
View article: Opportunities and Challenges for Establishing a Resource Nexus Community of Science and Practice
Opportunities and Challenges for Establishing a Resource Nexus Community of Science and Practice Open
The American Chemical Society’s Division of Environmental Chemistry symposium Toward Creating a Water-Energy-Food (WEF) Nexus Community of Practice, brought together 25 cross-disciplinary speakers in five thematic areas: 1 ) state of the a…
View article: Hydrogenotrophs-Based Biological Biogas Upgrading Technologies
Hydrogenotrophs-Based Biological Biogas Upgrading Technologies Open
Biogas produced from anaerobic digestion consists of 55–65% methane and 35–45% carbon dioxide, with an additional 1–2% of other impurities. To utilize biogas as renewable energy, a process called biogas upgrading is required. Biogas upgrad…
View article: Simultaneous Removal of Heavy Metals and Ciprofloxacin Micropollutants from Wastewater Using Ethylenediaminetetraacetic Acid-Functionalized β-Cyclodextrin-Chitosan Adsorbent
Simultaneous Removal of Heavy Metals and Ciprofloxacin Micropollutants from Wastewater Using Ethylenediaminetetraacetic Acid-Functionalized β-Cyclodextrin-Chitosan Adsorbent Open
The current study pertains to the synthesis of an EDTA-functionalized β-cyclodextrin-chitosan (β-CD-CS-EDTA) composite via a two-step process for the adsorptive removal of toxic heavy metallic ions (i.e., Pb(II), Cu(II), and Ni(II)) and an…
View article: A Study on the Possibility of Measuring Sludge Sedimentation Using Contrast Detection Characteristics of CdS Photoresistors
A Study on the Possibility of Measuring Sludge Sedimentation Using Contrast Detection Characteristics of CdS Photoresistors Open
Although operators periodically measure the sludge volume index (SVI) to stabilize the bioreactor and solid–liquid separation during the wastewater treatment process, there is a problem of inconsistency attributed to the subjective judgmen…
View article: Complete Genome Sequence of <i>Methanothermobacter</i> sp. Strain THM-1, a Thermophilic and Hydrogenotrophic Methanogen Isolated from an Anaerobic Reactor in South Korea
Complete Genome Sequence of <i>Methanothermobacter</i> sp. Strain THM-1, a Thermophilic and Hydrogenotrophic Methanogen Isolated from an Anaerobic Reactor in South Korea Open
Methanothermobacter sp. strain THM-1, a thermophilic and hydrogenotrophic methanogen, was isolated from an anaerobic reactor enriched with thermophilic methanogens. The genome of THM-1 shares 98.81% of its sequence with Methanothermobacter…
View article: Overestimation of Ammonium and its Relation to Ion Balance in Fine Dust (PM2.5) According to the Denuder Installation
Overestimation of Ammonium and its Relation to Ion Balance in Fine Dust (PM2.5) According to the Denuder Installation Open
When collecting air samples for analyzing the ionic components of fine dust, a (+) error may occur because gaseous precursors react with each other on the filter surface to form particles. To remove NO2, SO2, HNO3, HNO2, and NH3, which may…
View article: Recent Advances in Carbon Dioxide Conversion: A Circular Bioeconomy Perspective
Recent Advances in Carbon Dioxide Conversion: A Circular Bioeconomy Perspective Open
Managing the concentration of atmospheric CO2 requires a multifaceted engineering strategy, which remains a highly challenging task. Reducing atmospheric CO2 (CO2R) by converting it to value-added chemicals in a carbon neutral footprint ma…
View article: Anaerobic co-digestion of agricultural wastes toward circular bioeconomy
Anaerobic co-digestion of agricultural wastes toward circular bioeconomy Open
A huge amount of agricultural wastes and waste activated-sludge are being generated every year around the world. Anaerobic co-digestion (AcD) has been considered as an alternative for the utilization of organic matters from such organic wa…