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Synergistic sodium alginate- and biochar-immobilized cells for enhancing fermentative hydrogen production from food waste

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Environmental science and Pollution Research 2024年第56期31卷 64524-64533页

作者： Ngamnurak, ph.nsini Plangklang, Pensri Pomdaeng, Prakaidao Ko, Ting-Wu Reungsang, Alissara Chu, Chen-Yeon Graduate School Khon Kaen University Khon Kaen40002 Thailand Department of Biology Technology Faculty of Technology Khon Kaen University Khon Kaen40002 Thailand Research Group for Development of Microbial Hydrogen Production Process From Biomass Khon Kaen University Khon Kaen40002 Thailand Institute of Green Products Feng Chia University Taichung Taiwan Ph.D. Program of Mechanical and Aeronautical Engineering Feng Chia University Taichung Taiwan Master’s Program of Green Energy Science and Technology Feng Chia University Taichung Taiwan Academy of Science Royal Society of Thailand Bangkok10300 Thailand

An immobilized hydrogen-producing consortium investigated biohydrogen production from food waste using a combination of sodium alginate and cassava rhizome biochar. We investigated the effect of varying the biochar concentration from 0 to 3% and the size of immobilized cells from 1 to 7 mm. Immobilized cells were prepared using 50% (v/v) enriched hydrogen-producing consortium, 2% (w/v) sodium alginate, and 0 to 3% (w/v) cassava rhizome biochar. The optimal conditions for achieving the highest hydrogen production in the batch fermentation reactor were identified as a biochar concentration of 2% (w/v) and an immobilized cell size of 2 mm. The highest hydrogen yield, maximum hydrogen production rate, and lag time recorded were 0.69 mmol H2/g-COd, 0.02 mmol H2/g-COd.h, and 41.51 h, respectively. This research highlights the potential of cassava biochar technology for efficient biohydrogen production from food waste, contributing to renewable energy generation and sustainable waste management. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024.

关键词： Anaerobic digestion

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A review of biosensor for environmental monitoring: principle, application, and corresponding achievement of sustainable development goals

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Bioengineered 2023年第1期14卷 58-80页

作者： Chi-Wei Huang Chitsan Lin Minh Ky Nguyen Adnan Hussain Xuan-Thanh Bui Huu Hao Ngo Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung Taiwan. Ph.D. Program in Maritime Science and Technology College of Maritime National Kaohsiung University of Science and TechnologyPh.D. Program in Maritime Science and Technology Kaohsiung Taiwan. Ph. D. Program of Aquatic Science and Technology College of Hydrosphere Science National Kaohsiung University of Science and Technology Kaohsiung Taiwan. Department Water Science & Technology Key Laboratory of Advanced Waste Treatment Technology Ho Chi Minh City University of Technology (HCMUT) Vietnam National University Ho Chi Minh (VNU-HCM) Ho Chi Minh City Vietnam. Department Water Science & Technology Faculty of Environment & Natural Resources Ho Chi Minh City University of Technology (HCMUT) Ho Chi Minh City Vietnam. Department Water Science & Technology Centre for Technology in Water and Wastewater School of Civil and Environmental Engineering Faculty of Engineering and Information Technology University of Technology Sydney Sydney NSW Australia.

Human health/socioeconomic development is closely correlated to environmental pollution, highlighting the need to monitor contaminants in the real environment with reliable devices such as biosensors. Recently, variety of biosensors gained high attention and employed as application, in real-time, and cost-effective analytical tools for healthy environment. For continuous environmental monitoring, it is necessary for portable, cost-effective, quick, and flexible biosensing devices. These benefits of the biosensor strategy are related to the Sustainable development Goals (SdGs) established by the United Nations (UN), especially with reference to clean water and sources of energy. However, the relationship between SdGs and biosensor application for environmental monitoring is not well understood. In addition, some limitations and challenges might hinder the biosensor application on environmental monitoring. Herein, we reviewed the different types of biosensors, principle and applications, and their correlation with SdG 6, 12, 13, 14, and 15 as a reference for related authorities and administrators to consider. In this review, biosensors for different pollutants such as heavy metals and organics were documented. The present study highlights the application of biosensor for achieving SdGs. Current advantages and future research aspects are summarized in this paper. ATP: Adenosine triph.sph.te; BOd: Biological oxygen demand; COd: Chemical oxygen demand; Cu-TCPP: Cu-porph.rin; dNA: deoxyribonucleic acid; EdCs: Endocrine disrupting chemicals; EPA: U.S. Environmental Protection Agency; Fc-HPNs: Ferrocene (Fc)-based hollow polymeric nanosph.res; FeO@3d-GO: FeO@three-dimensional graph.ne oxide; GC: Gas chromatograph.; GCE: Glassy carbon electrode; GFP: Green fluorescent protein; GHGs: Greenhouse gases; HPLC: High performance liquid chromatograph.; ICP-MS: Inductively coupled plasma mass spectrometry; ITO: Indium tin oxide; LAS: Linear alkylbenzene sulfonate; : Laser-induced g

关键词： Biosensor bioavailability heavy metals organic pollutants sustainable development goals (SdGs)

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Integration of a Microfluidics System With a U-Shaped Optical Fiber Sensor for Sensing Various Concentrations of Glucose

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IEEE Sensors Journal 2024年第13期24卷 20617-20628页

作者： Hsiang-Cheng Hsu Tien-Bao Tran Thi Thuy-Vy Nguyen Hoang-dang Le Chia-Chin Chiang Department of Ph.D. Program in Maritime Science and Technology College of Maritime National Kaohsiung University of Science and Technology Kaohsiung Taiwan Department of Mechanical Engineering National Kaohsiung University of Science and Technology Kaohsiung Taiwan College of Engineering Can Tho University Ninh Kieu Can Tho Vietnam

This study introduces a successfully manufactured U-shaped optical fiber sensor integrated with a microfluidics system to detect varying glucose concentrations. It outlines the fabrication process of the microfluidics system, accomplished using a CO2 laser on polymethyl methacrylate (PMMA) material. Through three cycles of experiments involving different glucose concentrations, the results indicate a consistent trend in both resonance wavelength and transmission loss, showing an increase as glucose concentration rises from 5% to 50%. The system demonstrates a high wavelength sensitivity coefficient of 0.114 nm/% with ${R}^{{2}} =0.95$ and a notable transmission loss sensitivity of 0.09 dB/% and ${R}^{{2}} =0.94$ . This advanced system proves to be effective in achieving rapid, sensitive, and cost-efficient glucose monitoring. Consequently, the microfluidics system is deemed suitable for its intended purpose.

关键词： Microfluidics Glucose Optical fiber sensors Sensors Sensitivity Claddings Viscosity

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Retraction notice to ‘Applications of engineered biochar in remediation of heavy metal(loid)s pollution from wastewater: Current perspectives toward sustainable development goals’ [Sci. Total Environ., 926 (2024) 171859] (science of the Total Environment (2024) 926, (S0048969724020023), (10.1016/***.2024.171859))

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science of the Total Environment 2025年 976卷 179291页

作者： Tran, Thien-Khanh Huynh, Loan Nguyen, Hoang-Lam Nguyen, Minh-Ky Lin, Chitsan Hoang, Tuan-dung Hung, Nguyen Tri Q. Nguyen, X. Hoan Chang, S. Woong Nguyen, d. duc Advanced Applied Sciences Research Group Dong Nai Technology University Bien Hoa City76100 Viet Nam Faculty of Technology Dong Nai Technology University Bien Hoa City76100 Viet Nam Department of Civil Engineering McGill University Montreal Canada 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 School of Chemistry and Life Science Hanoi University of Science and Technology No. 1 Dai Co Viet Hai Ba Trung Hanoi100000 Viet Nam Vietnam National University Hanoi - School of Interdisciplinary Sciences and Arts 144 Xuan Thuy Street Cau Giay District Hanoi100000 Viet Nam Ho Chi Minh City University of Industry and Trade Ho Chi Minh City Viet Nam Department of Civil & Energy System Engineering Kyonggi University Suwon16227 Korea Republic of Institute of Applied Technology and Sustainable Development Nguyen Tat Thanh University Ho Chi Minh City700000 Viet Nam

This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://***/about/policies/article-withdrawal). This article has been retracted at the request of the Authors. The corresponding author approached the journal to make it aware that significant portions of the text of the STOTEN article had already been included in the following publication involving several members of the same authorship group: Minh-Ky Nguyen, Chitsan Lin, Nguyen Tri Quang Hung, Hoang-Lam Nguyen, Hong-Giang Hoang, Huu-Tuan Tran, Mohammed Hadi, Chapter 8 - Biochar and engineering applications in remediation of heavy metal pollutants from wastewater toward sustainable development, Editor(s): Xuan-Thanh Bui, Ashok Pandey, Thanh-Tin Nguyen, Shu-Yuan Pan, Low Cost Water and Wastewater Treatment Systems: Conventional and Recent Advances, Elsevier, 2025, Pages 195-233, ISBN 9780443236624, https://***/10.1016/B978-0-443-23662-4.00016-0. The authors realise that redundant publications overweigh the relative importance of published findings, and therefore requested the retraction of the STOTEN article. The authors also apologies for any inconvenience caused. © 2025 Elsevier B.V.

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Unlocking the potential of bacterial cellulose: synthesis, functionalization, and industrial impact

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International Journal of Biological Macromolecules 2025年第Pt 3期311卷 143951页

作者： Kumaravel, Ashokkumar Lin, Shin-Ping Santoso, Shella Permatasari Shanmugasundaram, Saranya Hsu, Hsien-Yi Hsieh, Chang-Wei Chou, Yu-Chieh Lin, Hui-Wen Cheng, Kuan-Chen Institute of Food Science and Technology National Taiwan University Daan District Taipei10617 Taiwan School of Food Safety Taipei Medical University 250 Wu-Hsing Street Taipei11031 Taiwan Ph.D. Program in Drug Discovery and Development Industry Taipei Medical University 250 Wu-Hsing Street Taipei11031 Taiwan Chemical Engineering Master Program Widya Mandala Surabaya Catholic University Kalijudan 37 Surabaya60114 Indonesia Collaborative Research Center for Zero Waste and Sustainability Widya Mandala Surabaya Catholic University Kalijudan 37 Surabaya60114 Indonesia Department of Chemical Engineering Faculty of Engineering Widya Mandala Catholic University Surabaya Kalijudan 37 Surabaya60114 Indonesia Department of Chemical Engineering University of Ulsan 93 Daehak-ro Nam-gu Ulsan44610 Korea Republic of City University of Hong Kong Kowloon Tong Hong Kong Shenzhen Research Institute of City University of Hong Kong Shenzhen518057 China Department of Food Science and Biotechnology National Chung-Hsing University Taichung City40227 Taiwan Department of Food Science National Ilan University Yilan City260007 Taiwan Institute of Medicine Chung Shan Medical University Taichung40201 Taiwan Department of Medical Research Chung Shan Medical University Hospital Taichung40201 Taiwan Institute of Biotechnology National Taiwan University 1 Roosevelt Rd. Sec. 4 Taipei10607 Taiwan Department of Optometry Asia University 500 Lioufeng Rd. Wufeng Taichung41350 Taiwan Department of Medical Research China Medical University Hospital China Medical University 91 Hsueh-Shih Road Taichung40402 Taiwan Department of Food Science Fu Jen Catholic University 510 Zhongzheng Rd. Xinzhuang Dist. New Taipei City242062 Taiwan

In recent years, bacterial cellulose (BC), a crystalline and nanoscale fibrillar polymer, has garnered significant interest due to its superior ph.sical, chemical, and mechanical properties compared to plant cellulose. Inherent features of BC, which include high biodegradability, mechanical strength, and biocompatibility, make it a suitable material for use in a wide variety of applications, particularly in the domains of biomedicine and environmental science. However, realizing its full potential requires targeted chemical or ph.sical modifications. Recent developments have focused on in-situ and ex-situ BC modification for various applications. Incorporating functional compounds into cellulose during BC synthesis enhances its strength and functional properties. Additionally, the material properties of BC, such as water content, thermal stability, and antibacterial capabilities, can be enhanced through post-synthesis modifications, including chemical acetylation, ph.sph.rylation, and integration with other biopolymers. Currently, the applicability of BC is being improved using new modification techniques, which involve genetically engineered strains to enhance polymer characteristics and market potential. The review highlights recent advancements in BC research and novel modification strategies that enhance its applications in advanced biomedical engineering and sustainable packaging. © 2025

关键词： Acetylation

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Small-Molecule Analysis Based on dNA Strand displacement Using a Bacteriorhodopsin ph.toelectric Transducer: Taking ATP as an Example

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Sensors 2023年第17期23卷 7453-7453页

作者： Chen, Hsiu-Mei Wang, Wen-Chang Chen, Hong-Ren Department of Chemical Engineering National Taiwan University of Science and Technology Taipei10607 Taiwan The Ph.D. Program for Translational Medicine College of Medical Science and Technology Taipei Medical University Taipei11031 Taiwan

A uniformly oriented purple membrane (PM) monolayer containing ph.toactive bacteriorhodopsin has recently been applied as a sensitive ph.toelectric transducer to assay color proteins and microbes quantitatively. This study extends its application to detecting small molecules, using adenosine triph.sph.te (ATP) as an example. A reverse detection method is used, which employs AuNPs labeling and specific dNA strand displacement. A PM monolayer-coated electrode is first covalently conjugated with an ATP-specific nucleic acid aptamer and then hybridized with another gold nanoparticle-labeled nucleic acid strand with a sequence that is partially complementary to the ATP aptamer, in order to significantly minimize the ph.tocurrent that is generated by the PM. The resulting ATP-sensing chip restores its ph.tocurrent production in the presence of ATP, and the ph.tocurrent recovers more effectively as the ATP concentration increases. direct and single-step ATP detection is achieved in 15 min, with detection limits of 5 nM and a dynamic range of 5 nM–0.1 mM. The sensing chip exhibits high selectivity against other ATP analogs and is satisfactorily stable in storage. The ATP-sensing chip is used to assay bacterial populations and achieves a detection limit for Bacillus subtilis and Escherichia coli of 102 and 103 CFU/mL, respectively. The demonstration shows that a variety of small molecules can be simultaneously quantified using PM-based biosensors. © 2023 by the authors.

关键词： ph.tocurrents

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Removal of nitrogen and ph.sph.rus pollutants from swine wastewater

Removal of nitrogen and phosphorus pollutants from swine was...

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2021 International Symposium on Intelligent Signal Processing and Communication Systems, ISPACS 2021

作者： Nguyen, Minh-Ky Lin, Chitsan Nhut, Huynh Tan Trung Hiep, Nguyen Hung, Nguyen T.Q. Huu Tuan, Tran National Kaohsiung University of Science and Technology College of Maritime Ph.D. Program In Maritime Science and Technology Kaohsiung Taiwan National Kaohsiung University of Science and Technology Department of Marine Environmental Engineering Kaohsiung Taiwan Nong Lam University of Ho Chi Minh City Faculty of Environment and Natural Resources Ho Chi Minh Viet Nam National Kaohsiung University of Science and Technology College of Maritime Kaohsiung Taiwan

ISBN: (纸本)9781665419512

This study investigated the simultaneous removal of nitrogen and ph.sph.rus from swine wastewater by a magnesium ammonium ph.sph.te crystallization. The precipitation of struvite was determined from swine wastewater, obtaining the optimal ph. Mg/N/P molar ratio, and reaction time were 9.0, 1.6/1/1.5 and 30 min, respectively. Ammonium and ph.sph.te removal efficiencies were 98.1 ± 0.5% and 98.9 ± 0.4% under optimal conditions, and the highest crystallization mass obtained was 14.6 ± 0.6 g/L. Results illustrated that struvite precipitation is an efficient method for removing ammonium and ph.sph.te in swine wastewater. © 2021 IEEE.

关键词： ph.sph.rus

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Prediction of Salinity Variations in a Tidal Estuary Using Artificial Neural Network and Three-dimensional Hydrodynamic Models

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Computational Water, Energy, and Environmental engineering 2017年第1期6卷 107-128页

作者： Weibo Chen Wencheng Liu Weiche Huang Hongming Liu National Science and Technology Center for Disaster Reduction Taiwan Department of Civil and Disaster Prevention Engineering National United University Taiwan Ph.D. Program in Materials and Chemical Engineering National United University Taiwan

The simulation of salinity at different locations of a tidal river using ph.sically-based hydrodynamic models is quite cumbersome because it requires many types of data, such as hydrological and hydraulic time series at boundaries, river geometry, and adjusted coefficients. Therefore, an artificial neural network (ANN) technique using a back-propagation neural network (BPNN) and a radial basis function neural network (RBFNN) is adopted as an effective alternative in salinity simulation studies. The present study focuses on comparing the performance of BPNN, RBFNN, and three-dimensional hydrodynamic models as applied to a tidal estuarine system. The observed salinity data sets collected from 18 to 22 May, 16 to 22 October, and 26 to 30 October 2002 (totaling 4320 data points) were used for BPNN and RBFNN model training and for hydrodynamic model calibration. The data sets collected from 30 May to 2 June and 11 to 15 November 2002 (totaling 2592 data points) were adopted for BPNN and RBFNN model verification and for hydrodynamic model verification. The results revealed that the ANN (BPNN and RBFNN) models were capable of predicting the nonlinear time series behavior of salinity to the multiple forcing signals of water stages at different stations and freshwater input at upstream boundaries. The salinity predicted by the ANN models was better than that predicted by the ph.sically based hydrodynamic model. This study suggests that BPNN and RBFNN models are easy-to-use modeling tools for simulating the salinity variation in a tidal estuarine system.

关键词： Salinity Variation Artificial Neural Network Backpropagation Algorithm Radial Basis Function Neural Network Three-dimensional Hydrodynamic Model Tidal Estuary

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The effect of plants on lead dissolution

The effect of plants on lead dissolution

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GeoFlorida 2010: Advances in Analysis, Modeling and design Conference

作者： Butler, A.d. Thomas, C.C. Medina, V.F. Larson, S.L. US Army Corps of Engineers Engineer Research and Development Center Environmental Laboratory 3909 Halls Ferry Road Vicksburg MS 39180 United States Jackson State University College of Science Engineering and Technology Environmental Science Ph.D. Program 1400 J.R. Lynch Street Jackson MS 39217 United States

ISBN: (纸本)9780784410950

Berm soils at small arms firing ranges (SAFRs) are contaminated with metals as bullets impact the soil and corrode. These berms generally lack vegetation and frequently suffer from erosion that may transport heavy metals (e.g. lead) into surface water and, occasionally, into groundwater. Plants are generally useful for stabilizing metals in SAFR soils by reducing particulate runoff. However, results have shown that plants appear to increase lead solubility in surface runoff and leachate. Studies were conducted to investigate this ph.nomenon that plants enhance lead solubility and complexation. Hydroponic bermuda plant culture solutions were prepared. Plant culture and soluble lead solutions were reacted to form lead complexes. Ion exchange filtration was performed to separate lead complexes based on relative molecular sizes. Results showed that bermuda cultures increased lead solubility and formed measurable lead complexes for fractionated sizes. Continued research will determine the effect of soluble plant organic compounds on metal dissolution. © 2010 ASCE.

关键词： Soil pollution

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A mini-review on plasticrusts: occurrence, current trends, potential threats, and recommendations for coastal sustainability

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Environmental Monitoring and Assessment 2024年第2期196卷 1-14页

作者： Nguyen, Minh-Ky Rakib, Md. Refat Jahan Nguyen, Hoang-Lam Lin, Chitsan Malafaia, Guilherme Idris, Abubakr M. Faculty of Environment and Natural Resources Nong Lam University of Ho Chi Minh City 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 Fisheries and Marine Science Faculty of Science Noakhali Science and Technology University Sonapur Noakhali3814 Bangladesh Department of Civil Engineering McGill University Montreal Canada Department of Marine Environmental Engineering National Kaohsiung University of Science and Technology Kaohsiung81157 Taiwan 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

Plasticrusts manifest as a coating on intertidal rocks due to environmental exposure. They refer to crushed plastic debris that blankets rocks found along intertidal shorelines. This study significantly contributes to a better understanding of the occurrence of these novel plastic formations, shedding light on their potential pathways of formation during the Anthropocene era. The research provides comprehensive insights into the composition, origins, challenges, and effective management strategies for removing coastal plastic litter. The findings of this investigation offer valuable evidence regarding the formation and impact of these recently discovered plastic items in coastal regions, prompting discussions about their formation processes and their effects on the marine ecosystem. Recognizing that these newly emerged plastic litter pose a considerable threat to the marine environment is crucial. With their emergence, we face an environmental challenge, especially concerning the health of coastal ecosystems. Plasticrusts, when degraded, can release microplastics (MPs) and nanoparticles (NPs) into the surrounding environment. These micro- and nano-sized plastic particles pose significant ecological risks as they persist in ecosystems, potentially harming wildlife and entering the food chain, causing widespread environmental contamination. Significantly, it outlines strategies to minimize the impact of this emerging plastic debris and its source. © 2024, The Author(s), under exclusive licence to Springer Nature Switzerland AG.

关键词： Ecosystems

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