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Novel visible-light-active P-g-CN-based α-Bi2O3/WO3 ternary photocatalysts with a dual Z-scheme heterostructure for the efficient decomposition of refractory ultraviolet filters and environmental hormones: Benzophenones

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Environmental Research 2023年 234卷

作者： Berekute, Abiyu Kerebo Yu, Kuo-Pin Chuang, Yi-Hsueh Brad Lin, Kun-Yi Andrew International Ph.D. Program in Environmental Science and Technology National Yang Ming Chiao Tung University Taipei11221 Taiwan Institute of Environmental and Occupational Health Sciences National Yang Ming Chiao Tung University Taipei11221 Taiwan Institute of Environmental Engineering National Yang Ming Chiao Tung University Hsinchu City30010 Taiwan Department of Environmental Engineering and Innovation and Development Center of Sustainable Agriculture & Research Center of Sustainable Energy and Nano Technology National Chung Hsing University 250 Kuo-Kuang Road Taichung Taiwan Department of Chemistry College of Natural and Computational Sciences Arba Minch University Arbaminch Ethiopia

The ubiquitous and refractory benzophenone (BP)-type ultraviolet filters, which are also endocrine disruptors, were commonly detected in the aquatic matrix and could not be efficiently removed by conventional wastewater treatment processes, thus causing extensive concern. Herein, a novel ternary nanocomposite, P-g-CN/α-Bi2O3/WO3 (P-gBW), was successfully fabricated by mixing cocalcinated components and applied to the decomposition of BP-type ultraviolet filters. The dual-Z-scheme heterostructure of P-gBW enhances visible-light absorption, efficiently facilitates separation and mobility, and prolongs the lifetime of photoinduced charge carriers via double charge transfer mechanisms. The optimum 95 wt% P-gBW exhibited excellent photocatalytic activity, degrading 96% 4-hydroxy benzophenone (4HBP) within 150 min and 93% 2,2′,4,4′-tetrahydroxybenzophenone (BP-2) within 100 min under visible-light illumination, respectively. The pseudo-first-order rate constant of 4HBP (1.15 h−1) was 6.8-, 3.1-, 3.3- and 2.2-fold higher than those of WO3, P-g-CN, α-Bi2O3, and P-g-CN/α-Bi2O3, respectively, while that of BP-2 (1.71 h−1) was 5.2-, 2.2-, 3.2- and 1.5-fold higher, respectively. The improved photocatalytic degradation was attributed to efficient photoinduced charge carrier separation and migration and prevented the recombination of electron holes, as verified by photoluminescence, transient photocurrent response, and electrochemical impedance spectroscopy. Trapping experiments, electron paramagnetic resonance, and band energy position indicated an efficient dual-Z-scheme heterostructure. © 2023 Elsevier Inc.

关键词： Tungsten compounds

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Assessment of sources and health risks of heavy metals in metropolitan household dust among preschool children: The LEAPP-HIT study

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Journal of Environmental Management 2024年 352卷 120015页

作者： Kao, Chi-Sian Wang, Ying-Lin Jiang, Chuen-Bin Tai, Pei-Ju Chen, Yi-Hua Chao, Hsing-Jasmine Lo, Yu-Chun Hseu, Zeng-Yei Hsi, Hsing-Cheng Chien, Ling-Chu School of Public Health College of Public Health Taipei Medical University Taipei Taiwan Graduate Institute of Environmental Engineering National Taiwan University Taipei Taiwan Department of Pediatric Gastroenterology Hepatology and Nutrition MacKay Children's Hospital Taipei Taiwan Department of Medicine MacKay Medical College SanZhi District New Taipei City Taiwan Neuroscience Research Center Taipei Medical University Taipei Taiwan Ph.D. Program in Medical Neuroscience College of Medical Science and Technology Taipei Medical University Taipei Taiwan Department of Agricultural Chemistry National Taiwan University Taipei Taiwan Nutrition Research Center Taipei Medical University Hospital Taipei Taiwan

The most common construction material used in Taiwan is concrete, potentially contaminated by geologic heavy metals (HMs). Younger children spend much time indoors, increasing HM exposure risks from household dust owing to their behaviors. We evaluated arsenic (As), cadmium (Cd), and lead (Pb) concentrations in fingernails among 280 preschoolers between 2017 and 2023. We also analyzed HM concentrations, including As, Cd, Pb, chromium (Cr), nickel (Ni), copper (Cu), zinc (Zn), iron (Fe), and manganese (Mn), in 90 household dust and 50 road dust samples from a residential area where children lived between 2019 and 2021 to deepen the understanding of sources and health risks of exposure to HMs from household dust. The average As, Cd, and Pb concentrations in fingernails were 0.12 ± 0.06, 0.05 ± 0.05, and 0.95 ± 0.77 μg/g, respectively. Soil parent materials, indoor construction activities, vehicle emissions, and mixed indoor combustion were the pollution sources of HMs in household dust. Higher Cr and Pb levels in household dust may pose non-carcinogenic risks to preschoolers. Addressing indoor construction and soil parent materials sources is vital for children's health. The finding of the present survey can be used for indoor environmental management to reduce the risks of HM exposure and avoid potential adverse health effects for younger children. © 2024 Elsevier Ltd

关键词： Heavy metals

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Seasonal Influence on Pollution Index and Risk of Multiple Compositions of Microplastics in an Urban River

SSRN

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SSRN 2022年

作者： Huang, Chi-Wei Li, Yi-Lin Lin, Chitsan Bui, Xuan-Thanh Vo, Thi-dieu-Hien Ngo, Huu Hao Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Ph.D. Program in Maritime Science and Technology College of Maritime National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan 268 Ly Thuong Kiet Street District 10 Ho Chi Minh City Viet Nam Linh Trung ward Ho Chi Minh City700000 Viet Nam Faculty of Environmental and Food Engineering Nguyen Tat Thanh University Ho Chi Minh City Viet Nam School of Civil and Environmental Engineering University of Technology Sydney SydneyNWS 2007 Australia

The emerging contaminant microplastics (MPs) are getting worldwide attention for their ubiquitous occurrence and potential risk in the environment. However, the seasonal influence on freshwater MP pollution remains poorly understood. To better understand and evaluate the riverine MPs in different seasons, this study conducted the risk assessment of MPs in an urban river, Houjin River, during the different seasons. The present study found that the MPs was more abundant in the dry season compared with wet seaon. Similarly, the mixture of different MPs polymers was more diverse in the dry season. The related pollution indexes such as the contamination factor (CF) and pollution load index (PLI) showed that the majority of the water samples in Houjin River was heavily polluted and higher in the dry season. The higher risk quotient (RQ) of MPs in the dry season was also observed. To sum up, the results of this study indicate the seasonal effects on the pollution and risk of multiple compositions of MPs in the urban river, suggesting higher impacts of riverine MPs pollution in the dry season, as well as the potential increase of MPs may lead to health risk in the future. © 2022, The Authors. All rights reserved.

关键词： Risk assessment

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Unraveling the bioenergy production and electron transport characteristics of processed Rheum palmatum L. for antiviral drug development

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Industrial Crops and Products 2023年 195卷

作者： Tsai, Po-Wei Hsieh, Cheng-Yang Ting, Jasmine U. Rogio, Kristian Gil G. Lee, Chia-Jung de Castro-Cruz, Kathlia A. Ciou, Yi-Ru Lien, Tzu-Kuan Yang, Ling-Ling Hsueh, Chung-Chuan Chen, Bor-Yann Department of Medical Science Industries College of Health Sciences Chang Jung Christian University Tainan711 Taiwan Ph.D. Program in Clinical Drug Development of Herbal Medicine College of Pharmacy Taipei Medical University Taipei110 Taiwan Department of Chemistry College of Science De La Salle University Metro Manila1004 Philippines School of Chemical Biological and Materials Engineering and Sciences Mapúa University Metro Manila1002 Philippines Graduate Institute of Pharmacognosy College of Pharmacy Taipei Medical University Taipei110 Taiwan Traditional Herbal Medicine Research Center Taipei Medical University Hospital Taipei110 Taiwan Department of Chemical and Materials Engineering National I-Lan University I-Lan260 Taiwan American College of Acupuncture & Oriental Medicine HoustonTX77063 United States

To bridge western and traditional Chinese medicine, research in Chinese medicinal herbs has become an increasing trend for discovering new effective antiviral drugs. In addition, this pioneer study disclosed that synergistic interactions of electron-mediating contents in herbal medicines through electrochemical catalysis of electron shuttles could trigger effective disease treatment via electron transport stimulation as the platform of microbial fuel cells (MFCs) indicated. Hence, this study first attempted to decipher the bioenergy-assisted action of R. palmatum L. for antiviral assessment. Several processing methods can be performed to maximize phytoconstituent extraction and efficiency that can influence the chemical profile and bioactivity of herbal samples. To generate a comparative analysis, R. palmatum L. roots are subjected to several processing methods and are evaluated through phytochemical screening, antioxidant activity, high-performance liquid chromatography analysis, and dual-chambered-MFCs for bioenergy production. Molecular docking analysis of marker substances was also employed to establish the potential of R. palmatum L. for antiviral drug development. Ethanol extracts are revealed to be toxic for MFCs despite having increased phenolic compounds. Overall, vinegar-processed Rheum palmatum water extracts exhibited the highest bioenergy-stimulating capabilities and antioxidant activity. Furthermore, rhein from the same extract was found to exhibit strong binding affinities towards Flaviviridate viruses and can potentially inhibit NS5B polymerase from the Hepatitis C Virus. This study clearly suggests the potential of R. palmatum L. roots as a promising herb for antiviral drug development. This work also provided a novel protocol for prescreening candidate species for antiviral drug development. © 2023 Elsevier B.V.

关键词： Extraction

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Occurrence and fate of pharmaceutical pollutants in wastewater: Insights on ecotoxicity, health risk, and state–of–the-art removal

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Chemosphere 2024年 354卷 141678页

作者： Nguyen, Minh-Ky Lin, Chitsan Bui, Xuan-Thanh Rakib, Md. Refat Jahan Nguyen, Hoang-Lam Truong, Quoc-Minh Hoang, Hong-Giang Tran, Huu-Tuan Malafaia, Guilherme Idris, Abubakr M. Faculty of Environment and Natural Resources Nong Lam University Hamlet 6 Linh Trung Ward Thu Duc City Ho Chi Minh City700000 Viet Nam Ph.D. Program in Maritime Science and Technology National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan Linh Trung Ward Thu Duc City Ho Chi Minh City700000 Viet Nam Ho Chi Minh City700000 Viet Nam Department of Environmental Science and Management North South University Dhaka Bashundhara1229 Bangladesh Department of Civil Engineering McGill University Montreal Canada Faculty of Management Science Thu Dau Mot University Binh Duong 75000 Viet Nam Faculty of Medicine Dong Nai Technology University Dong Nai Bien Hoa76100 Viet Nam Laboratory of Ecology and Environmental Management Science and Technology Advanced Institute Van Lang University Ho Chi Minh City700000 Viet Nam Faculty of Applied Technology School of Engineering and Technology Van Lang University Ho Chi Minh City700000 Viet Nam Post-Graduation Program in Ecology Conservation and Biodiversity Federal University of Uberlândia MG Uberlândia Brazil Post-Graduation Program in Biotechnology and Biodiversity Federal University of Goiás GO Goiânia Brazil Post-Graduation Program in Conservation of Cerrado Natural Resources Goiano Federal Institute GO Urutaí Brazil Department of Chemistry College of Science King Khalid University Abha62529 Saudi Arabia King Khalid University Abha62529 Saudi Arabia

pharmaceutical active compound (phAC) residues are considered an emerging micropollutant that enters the aquatic environment and causes harmful ecotoxicity. The significant sources of phACs in the environment include the pharmaceutical industry, hospital streams, and agricultural wastes (animal husbandry). Recent investigations demonstrated that wastewater treatment plants (WWTPs) are an important source of phACs discharging ecosystems. Several commonly reported that phACs are detected in a range level from ng L−1 to μg L−1 concentration in WWTP effluents. These compounds can have acute and chronic adverse impacts on natural wildlife, including flora and fauna. The approaches for phAC removals in WWTPs include bioremediation, adsorption (e.g., biochar, chitosan, and graphene), and advanced oxidation processes (AOPs). Overall, adsorption and AOPs can effectively remove phACs from wastewater aided by oxidizing radicals. Heterogeneous photocatalysis has also proved to be a sustainable solution. Bioremediation approaches such as membrane bioreactors (MBRs), constructed wetlands (CWs), and microalgal-based systems were applied to minimize pharmaceutical pollution. Noteworthy, applying MBRs has illustrated high removal efficiencies of up to 99%, promising prospective future. However, WWTPs should be combined with advanced solutions, e.g., AOPs/photodegradation, microalgae–bacteria consortia, etc., to treat and minimize their accumulation. More effective and novel technologies (e.g., new generation bioremediation) for phAC degradation must be investigated and specially designed for a low-cost and full-scale. Investigating green and eco-friendly phACs with advantages, e.g., low persistence, no bioaccumulation, less or non-toxicity, and environmentally friendly, is also necessary. © 2024 Elsevier Ltd

关键词： Microalgae

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CoAl2O4 nanoparticles modified carbon nanofibers as high-efficiency bifunctional electrocatalyst: An efficient electrochemical aqueous asymmetric supercapacitors and non-enzymatic electrochemical sensors

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Journal of Alloys and Compounds 2023年 931卷

作者： Chinnapaiyan, Sathishkumar das, Himadri Tanaya Chen, Shen-Ming Govindasamy, Mani Alshgari, Razan A. Fan, Chi-Hsuan Huang, Chi-Hsien Department of Chemical Engineering and Biotechnology National Taipei University of Technology Taipei10608 Taiwan Centre for Advanced Materials and Applications Utkal University Vani vihar Odisha Bhubaneswar751004 India Department of Materials Engineering Ming Chi University of Technology New Taipei City243303 Taiwan International Ph.D. Program in Innovative Technology of Biomedical Engineering and Medical Devices Ming Chi University of Technology New Taipei City243303 Taiwan Chemistry Department College of Science King Saud University Riyadh11451 Saudi Arabia Korea University of Technology and Education Chungcheongnam-do Cheonan-si31253 Korea Republic of Division of Rheumatology Allergy and Immunology Chang Gung Memorial Hospital Taoyuan33378 Taiwan Research Center for Intelligent Medical Devices Ming Chi University of Technology New Taipei City243303 Taiwan

The thriving energy demand of the gradually increasing population and modernized life style requires development in energy storage devices for usage in commercial electronic devices. In this particular work, we have explored electrochemical performances of bimetallic oxide CoAl2O4 and tuned its performance by decorating it on the carbon nanofibers. The CoAl2O4/CNFs are synthesized by deep eutectic solvents based hydrothermal method. The synthesized CoAl2O4 nanoparticle was found electrochemically active and the incorporation of CNFs end up boosting, its electrochemical performances as battery-type electrode. The obtained nanocomposites were characterized by various techniques. The electrochemically active CoAl2O4/CNFs exhibited 2.2-fold higher charge storage capacity than CoAl2O4. The CoAl2O4/CNFs exhibited specific capacity as high as 132 C/g at a constant applied current density of 1 A/g in 1 M KOH. The asymmetric device fabricated with CoAl2O4/CNFs electrodes exhibited excellent energy density of 20 Wh/kg at power density of 3000 W/kg. The CoAl2O4/CNFs electrode long-term stability has been minutely observed;the high Coulombic efficiency of 90% and high rate of capacity retention 95 %. In this work, an enzyme-free electrochemical sensor based on CoAl2O4/CNFs composite was developed for the detection of luteolin (LUT). Further modification of CoAl2O4/CNFs composite can improve the high surface area and catalytic capability of the composites. Under the optimal detection conditions, the prepared sensor has good linearity in the detection of LUT within range 30 nM − 73.5 μM with a limit of detection (LOd) of 0.0124 μM (12.4 nM). The stability and selectivity of the sensor is high, and can be used to detect LUT in various real samples. © 2022 Elsevier B.V.

关键词： Electrochemical sensors

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Fabrication of Solvent-Free PCL/β-TCP Composite Fiber for 3d Printing: physiochemical and Biological Investigation

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Polymers 2023年第6期15卷 1391页

作者： Ngo, Sin Ting Lee, Wei-Fang Wu, Yi-Fan Salamanca, Eisner Aung, Lwin Moe Chao, Yan-Qiao Tsao, Ting-Chia Hseuh, Hao-Wen Lee, Yi-Huan Wang, Ching-Chiung Chang, Wei-Jen Ph.D. Program in Drug Discovery and Development Industry College of Pharmacy Taipei Medical University Taipei110 Taiwan School of Dental Technology College of Oral Medicine Taipei Medical University Taipei110 Taiwan School of Dentistry College of Oral Medicine Taipei Medical University Taipei110 Taiwan Department of Molecular Science and Engineering National Taipei University of Technology Taipei106 Taiwan School of Pharmacy College of Pharmacy Taipei Medical University Taipei110 Taiwan Traditional Herbal Medicine Research Center Taipei Medical University Hospital Taipei110 Taiwan Dental Department Taipei Medical University Shuang Ho Hospital New Taipei235 Taiwan

Manufacturing three-dimensional (3d) objects with polymers/bioceramic composite materials has been investigated in recent years. In this study, we manufactured and evaluated solvent-free polycaprolactone (PCL) and beta-tricalcium phosphate (β-TCP) composite fiber as a scaffold material for 3d printing. To investigate the optimal ratio of feedstock material for 3d printing, the physical and biological characteristics of four different ratios of β-TCP compounds mixed with PCL were investigated. PCL/β-TCP ratios of 0 wt.%, 10 wt.%, 20 wt.%, and 30 wt.% were fabricated, with PCL melted at 65 °C and blended with β-TCP with no solvent added during the fabrication process. Electron microscopy revealed an even distribution of β-TCP in the PCL fibers, while Fourier transform infrared spectroscopy demonstrated that the biomaterial compounds remained intact after the heating and manufacturing process. In addition, adding 20% β-TCP into the PCL/β-TCP mixture significantly increased hardness and Young’s Modulus by 10% and 26.5%, respectively, suggesting that PCL-20 has better resistance to deformation under load. Cell viability, alkaline phosphatase (ALPase) activity, osteogenic gene expression, and mineralization were also observed to increase according to the amount of β-TCP added. Cell viability and ALPase activity were 20% higher with PCL-30, while upregulation for osteoblast-related gene expression was better with PCL-20. In conclusion, PCL-20 and PCL-30 fibers fabricated without solvent exhibited excellent mechanical properties, high biocompatibility, and high osteogenic ability, making them promising materials for 3d printing customized bone scaffolds promptly, sustainably, and cost-effectively. © 2023 by the authors.

关键词： Bone

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3d co-cultured multicellular spheroids on microfluidic chip for studying ecm-mediated drug resistance 24

3D co-cultured multicellular spheroids on microfluidic chip ...

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24th International Conference on Miniaturized Systems for Chemistry and Life sciences, MicroTAS 2020

作者： Goudar, Venkanagouda S. Lu, Long-Sheng Koduri, Manohar Prasad Tseng, Fan-Gang Engineering and System Science National Tsing Hua University Hsinchu Taiwan Department of Radiation Oncology Taipei Medical University Hospital Taipei Taiwan International Intercollegiate Ph.D. Program NTHU Hsinchu Taiwan Research Center for Applied Sciences Academia Sinica Taipei Taiwan Frontier Research Center on Fundamental and Applied Sciences of Matters National Tsing Hua University Taiwan

ISBN: (纸本)9781733419017

Among various ECM proteins, collagen type-I is a widely distributed extracellular matrix (ECM) protein expressed in different types of cancers and induces tumor growth and drug resistance. To prove this, in the present work we co-cultured colon cancer cells (HCT-8) and fibroblast cells (NIH3T3) in a PdMS based open welled micro 3d (μ-3d) cell culture chip. This co-culture model was employed to study the interaction of cancer cells and stromal cells and revealed that collagen treatment before chemotherapy can be a game-changer in a colon cancer treatment. © 2020 CBMS-0001

关键词： Microfluidic chips

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Ultrafast absorption mechanism of oil-emulsified micelles onto ferrous absorbents with dielectrophoresis force in the presence of polarization

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Journal of Hazardous materials 2023年 460卷 132436页

作者： Huang, Chun-Yao Lin, Feng-Yen Lu, Chien-Hsing Chen, Jem-Kun Department of Materials Science and Engineering National Taiwan University of Science and Technology 43 Section 4 Keelung Road Taipei106 Taiwan Taipei Heart Institute 250 Wu-Hsing Street Taipei Medical University Taipei110 Taiwan Division of Cardiology and Cardiovascular Research Center Taipei Medical University Hospital 252 Wu-Hsing Street Taipei110 Taiwan Department of Internal Medicine School of Medicine College of Medicine Taipei Medical University 250 Wu-Hsing Street Taipei110 Taiwan Department of Biomedical Sciences and Engineering National Central University 300 Zhongda Road Taoyuan City320317 Taiwan Department of Obstetrics and Gynecology Taichung Veterans General Hospital 1650 Taiwan Boulevard Sect. 4 Taichung40705 Taiwan Ph.D. Program in Translational Medicine and Rong Hsing Research Center for Translational Medicine National Chung Hsing University Taichung Taiwan

Absorption and desorption rates were generally dependent on the concentration gradient from bulk to absorbents. A novel methodology based on a capacitor with an alternating electric field (AEF) is developed to accelerate the absorption and desorption rates with the frequency manipulation. Ferrous polystyrene microspheres (PISMs) are synthesized as absorbents, which could enhance the complex permittivities as well as dielectric properties. Theoretically, the attractive force and viscous force predominately determine the particle and micelles movement in the medium under an AEF. Oil-emulsified micelles (OEM) with various viscosities were selected as absorbates. Both the OEM and microspherical absorbents assembled through the external attractive force in the presence of the AEF. When the attractive force is equal to viscous force in the medium at the characteristic frequency, the optimal absorption rate could be obtained. The absorption rate constants of pseudo-first-order for OEMs under the polarization at 50 V and 120 kHz of frequency are ca. 10 times higher than that in absence of the polarization. The desorption rate as well as recycling efficiency could be also improved at 800 kHz. The ferrous PISMs with high complex permittivity prevented the damage from the AEF, which could be recycled 10 times of absorption and desorption with frequency manipulation under the AEF. Our methodology provides novel insights for ultrafast wastewater treatment. © 2023 Elsevier B.V.

关键词： Polarization

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Insights into the removal of microplastics from water using biochar in the era of COVId-19: A mini review

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Case Studies in Chemical and Environmental engineering 2021年 4卷

作者： Abuwatfa, Waad H. Al-Muqbel, dana Al-Othman, Amani Halalsheh, Neda Tawalbeh, Muhammad Department of Chemical Engineering American University of Sharjah Sharjah United Arab Emirates Materials Science and Engineering Ph.D. Program American University of Sharjah Sharjah United Arab Emirates Department of Civil Engineering The Hashemite University PO. Box 330127 Zarqa Jordan Sustainable and Renewable Energy Engineering University of Sharjah Sharjah United Arab Emirates

Microplastics pollution is a modern-day prevalent challenge that poses serious threats to the general wellbeing and sustainability of the planet. due to their innately persistent nature, extreme durability, and high stability, they exhibit long residence time and could be transferred through the ecological chains. Current days have witnessed an increase in the accumulation of microplastics waste and debris. This is due to the protective measures imposed by governments and the World Health Organization (WHO) as part of the containment and mitigation efforts of the COVId-19 pandemic. Therefore, the development of versatile, robust, flexible, and efficient removal systems has become a necessity in order to control microplastics pollution. Herein, we review the repercussions of the pandemic on the state of microplastics contamination, sources and identification methods of microplastics in water, their toxicity and risks on the environment, as well as their degradation and conventional removal methods. This review focuses on adsorption and the use of biochar as one of the emerging adsorbents for the removal of microplastics. The efficiency of adsorption using biochar, mechanisms, and applications are discussed. The review addresses the increased rates of microplastics occurrence especially during the era of COVId-19, which requires more efficient and lower cost removal methods. The major conclusions drawn from this review include emphasizing the significant potential of adsorption processes in the removal of microplastics. Biochar is present among the available and most efficient biomass adsorbents especially when combined with other materials. Composite biochar materials play an important role in enhancing the removal and immobility of microplastics. However, more research is required to investigate this at a larger scale, improve efficiency and immobilization techniques. © 2021 The Authors

关键词： Adsorption Biochar COVId-19 Microplastics pollution Removal efficiency Water treatment

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