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engineering 2025年第1期 12-16页

作者： Wei Xiang Lu Yu Xiaoyuan Chen Marco J.Herold Australian Centre for Artificial Intelligence in Medical Innovation La Trobe University School of Computing Engineering and Mathematical Sciences La Trobe University Department of Diagnostic Radiology Yong Loo Lin School of Medicine National University of Singapore Department of Chemical and Biomolecular Engineering College of Design and Engineering National University of Singapore Department of Biomedical Engineering College of Design and Engineering National University of Singapore Department of Pharmacy and Pharmaceutical Sciences Faculty of Science National University of Singapore Clinical Imaging Research Centre Centre for Translational Medicine Yong Loo Lin School of Medicine National University of Singapore Nanomedicine Translational Research Program Yong Loo Lin School of Medicine National University of Singapore Theranostics Center of Excellence(TCE) Yong Loo Lin School of Medicine National University of Singapore Institute of Molecular and Cell Biology Agency for Science Technology and Research(A*STAR) Olivia Newton-John Cancer Research Institute School of Cancer Medicine La Trobe University The Walter and Eliza Hall Institute of Medical Research Department of Medical Biology University of Melbourne

1. Introduction Cancer continues to be a major cause of global mortality rates, with conventional treatments such as chemotherapy and radiotherapy exhibiting inconsistent efficacy, high costs, and considerable side effects. Over the past decade, a promising alternative has emerged: cancer immunotherapy, which leverages the body's immune system to identify and eradicate cancer cells [1].

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In vivo photothermal reconfiguration of liquid crystalline elastomer nanocomposites

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Cell biomaterials 2025年第2期1卷 100022页

作者： Nathaniel P Skillin Bruce E Kirkpatrick Nicole E Friend Amy R Perry Joselle M McCracken Melvin Colorado Escobar Benjamin R Nelson Nathaniel L Day Patrick S Hume Taufiek Konrad Rajab Kristi S Anseth Timothy J White Department of Chemical and Biological Engineering University of Colorado Boulder Boulder CO 80303 USA. The BioFrontiers Institute University of Colorado Boulder Boulder CO 80303 USA. Medical Scientist Training Program School of Medicine University of Colorado Anschutz Medical Campus Aurora CO 80045 USA. Department of Molecular Cellular and Developmental Biology University of Colorado Boulder Boulder CO 80303 USA. Materials Science and Engineering Program University of Colorado Boulder Boulder CO 80303 USA. Department of Medicine National Jewish Health Denver CO 80206 USA. Department of Cardiovascular Surgery Arkansas Children's Hospital Little Rock AR 72202 USA. Lead contact.

Medical implants with fixed geometry have many clinical applications but are limited by the dynamic nature of human physiology. To overcome this barrier, focus has shifted to stimuli-responsive materials capable of changing their geometry on demand, such as liquid crystalline elastomers (LCEs). Here, we report on the development and biological performance of LCE-gold nanorod (LCE-AuNR) nanocomposites engineered for use in optically reconfigurable medical devices. First, we maximized the strain response and force output of 3D-printed LCE-AuNR within a physiologically relevant temperature window of 37°C-50°C. LCE-AuNR are shown to be cytocompatible and induce a comparable foreign body response to medical grade silicone when implanted subcutaneously in mice. Upon transcutaneous near-infrared irradiation, implanted LCE-AuNR exhibit rapid and reversible photothermal actuation. Furthermore, controlled photothermal actuation does not result in the pathology of adjacent tissues. This approach opens new horizons for designing dynamic medical implants across a wide range of clinical applications.

关键词： liquid crystalline elastomer gold nanorod photothermal foreign body response adjustable medical device transcutaneous stimulation

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Correction: Single-cell RNA-sequencing identifies anti-cancer immune phenotypes in the early lung metastatic niche during breast cancer

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Clinical & experimental metastasis 2023年第4期40卷 373页

作者： Sophia M Orbach Michael D Brooks Yining Zhang Scott E Campit Grace G Bushnell Joseph T Decker Ryan J Rebernick Sriram Chandrasekaran Max S Wicha Jacqueline S Jeruss Lonnie D Shea Department of Biomedical Engineering University of Michigan Ann Arbor MI USA. Department of Internal Medicine University of Michigan Ann Arbor MI USA. Department of Chemical Engineering University of Michigan Ann Arbor MI USA. Program in Chemical Biology University of Michigan Ann Arbor MI USA. Medical Science Training Program University of Michigan Ann Arbor MI USA. Department of Computational Medicine and Bioinformatics University of Michigan Ann Arbor MI USA. Rogel Cancer Center University of Michigan Ann Arbor MI USA. Department of Surgery University of Michigan Ann Arbor MI USA. Department of Pathology University of Michigan Ann Arbor MI USA. Department of Biomedical Engineering University of Michigan Ann Arbor MI USA. ldshea@umich.edu. Department of Chemical Engineering University of Michigan Ann Arbor MI USA. ldshea@umich.edu. Rogel Cancer Center University of Michigan Ann Arbor MI USA. ldshea@umich.edu.

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Progress in silicon-based materials for emerging solar-powered green hydrogen (H2) production

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Advances in colloid and interface science 2025年 343卷 103558页

作者： Aminul Islam Md Tarekul Islam Siow Hwa Teo Hasan Mahmud A M Swaraz Ariyan Islam Rehan Adiba Islam Rasee Khadiza Tul Kubra Md Munjur Hasan Md Shad Salman R M Waliullah Md Nazmul Hasan Md Chanmiya Sheikh Tetsuya Uchida Mrs Eti Awual Mohammed Sohrab Hossain Hussein Znad Md Rabiul Awual Department of Petroleum and Mining Engineering Jashore University of Science and Technology Jashore 7408 Bangladesh Hydrogen energy and CO(2) conversion Lab Department of Petroleum and Mining Engineering Jashore University of Science and Technology Jashore 7408 Bangladesh College of Engineering Korea University 145 Anam-ro Seongbuk-gu Seoul 02841 Republic of Korea. Electronic address: aminul_pme@just.edu.bd. Department of Leather Engineering Faculty of Mechanical Engineering Khulna University of Engineering and Technology Khulna 9203 Bangladesh. Industrial Chemistry Program Faculty of Science and Natural Resources Universiti Malaysia Sabah 88400 Kota Kinabalu Sabah Malaysia. Bangladesh Energy and Power Research Council (BEPRC) IEB Bhaban (11(th) Floor) Ramna Dhaka 1000 Bangladesh. Department of Genetic Engineering and Biotechnology Jashore University of Science and Technology Jashore 7408 Bangladesh. Department of Chemistry School of Science The University of Tokyo 7-3-1 Bunkyo-ku Tokyo 113-0033 Japan. Department of Chemistry Graduate School of Science Osaka University Osaka 560-0043 Japan. Electronic address: adiba.islam@***. Department of Chemistry Graduate School of Science Osaka University Osaka 560-0043 Japan. Department of Chemistry Graduate School of Science Osaka University Osaka 560-0043 Japan. Electronic address: munjur.hasan@***. Institute for Chemical Research Kyoto University Gokasho Uji Kyoto 611-0011 Japan. Institute for Chemical Research Kyoto University Gokasho Uji Kyoto 611-0011 Japan. Electronic address: r.waliullah@***. Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 1-1 Tsushima-naka 3-Chome Okayama 700-8530 Japan. Electronic address: chanmiya.sheikh@***. Division of Applied Chemistry Graduate School of Natural Science and Technology Okayama University 1-1 Tsushima-naka 3-Chome Okayama 700-8530 Japan. Department of Chemistry Graduate School of Science Osaka University Osak

The imperative demand for sustainable and renewable energy solutions has precipitated profound scientific investigations into photocatalysts designed for the processes of water splitting and hydrogen fuel generation. The abundance, low toxicity, high conductivity, and cost-effectiveness of silicon-based compounds make them attractive candidates for hydrogen production, driving ongoing research and technological advancements. Developing an effective synthesis method that is simple, economically feasible, and environmentally friendly is crucial for the widespread implementation of silicon-based heterojunctions for sustainable hydrogen production. Balancing the performance benefits with the economic and environmental considerations is a key challenge in the development of these systems. The specific performance of each catalyst type can vary depending on the synthesis method, surface modifications, catalyst loading, and reaction conditions. The confluence of high crystallinity, reduced oxygen concentration, and calcination temperature within the silicon nanoparticle has significantly contributed to its noteworthy hydrogen evolution rate. This review provides an up-to-date evaluation of Si-based photocatalysts, summarizing recent developments, guiding future research directions, and identifying areas that require further investigation. By combining theoretical insights and experimental findings, this review offers a comprehensive understanding of Si-based photocatalysts for water splitting. Through a comprehensive analysis, it aims to elucidate existing knowledge gaps and inspire future research directions towards optimized photocatalytic performance and scalability, ultimately contributing to the realization of sustainable hydrogen generation.

关键词： Clean and renewable energy Hydrogen Silicon-based materials Sustainable Water splitting

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6 nm super-resolution optical transmission and scattering spectroscopic imaging of carbon nanotubes using a nanometer-scale white light source

arXiv

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arXiv 2020年

作者： Ma, Xuezhi Liu, Qiushi Yu, Ning Xu, Da Kim, Sanggon Liu, Zebin Jiang, Kaili Wong, Bryan Yan, Ruoxue Liu, Ming Department of Electrical and Computer Engineering University of California - Riverside RiversideCA92521 United States Department of Chemical and Environmental Engineering University of California - Riverside RiversideCA92521 United States State Key Laboratory of Low Dimensional Quantum Physics Department of Physics Tsinghua University Beijing100084 China Materials Science and Engineering program University of California - Riverside RiversideCA92521 United States

Optical transmission and scattering spectroscopic microscopy at the visible and adjacent wavelengths denote one of the most informative and inclusive characterization methods in material research. Unfortunately, restricted by the diffraction limit of light, it cannot resolve the nanoscale variation in light absorption and scattering, diagnostics of the local inhomogeneity in material structure and properties. Moreover, a large quantity of nanomaterials has anisotropic optical properties that are appealing yet hard to characterize through conventional optical methods. There is an increasing demand to extend the optical hyperspectral imaging into the nanometer length scale. In this work, we report a super-resolution hyperspectral imaging technique that uses a nanoscale white light source generated by superfocusing the light from a tungsten-halogen lamp to simultaneously obtain optical transmission and scattering spectroscopic images. A 6-nm spatial resolution in the visible to near-infrared wavelength regime (415 - 980 nm) is demonstrated on an individual single-walled carbon nanotube (SW-CNT). Both the longitudinal and transverse optical electronic transitions are measured, and the SW-CNT chiral indices can be identified. The band structure modulation in a SW-CNT through strain engineering is mapped. Copyright © 2020, The Authors. All rights reserved.

关键词： Optical resolving power

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Sustainable biorefinery with Chlorolobion braunii cultivated in produced water: Bioremediation integrated with the production of exopolysaccharides, biodiesel, and bio-oil

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chemical engineering Journal 2025年 518卷

作者： Jadson dos Santos França Ravena Maria de Almeida Medeiros Ingrid Rocha Teixeira Jânia Betânia Alves da Silva Denilson de Jesus Assis Carolina Oliveira de Souza Rosangela Regia Lima Vidal Bianca Bomfim Andrade Fernanda Teixeira Cruz José Geraldo Pacheco Roger Fréty Lucas Guimarães Cardoso Graduate Program in Chemical Engineering (PPEQ) Polytechnic School Federal University of Bahia (UFBA) Salvador Bahia Brazil Center of Science and Technology Mechanical Engineering Collegiate Federal University of Recôncavo of Bahia (UFRB) Cruz Das Almas Bahia Brazil School of Exact and Technological Sciences Salvador University Salvador Bahia Brazil Graduate Program in Food Sciences Faculty of Pharmacy Federal University of Bahia (UFBA) Salvador Bahia Brazil Department of Physical Chemistry Institute of Chemistry Federal University of Bahia (UFBA) Salvador Bahia Brazil Health Sciences Institute Federal University of Bahia (UFBA) Salvador Bahia Brazil Catalysis and Materials Laboratory Department of General and Inorganic Chemistry Institute of Chemistry Federal University of Bahia (UFBA) Salvador Bahia Brazil Federal University of Pernambuco (UFPE) Center of Technology and Geosciences Department of Chemical Engineering Institute for Petroleum and Energy Research (i-LITPEG) Laboratory of Refining and Cleaner Technology (Lateclim) Recife PE 50740-540 Brazil

Petroleum extraction generates large volumes of produced water (PW), which is an effluent containing high concentrations of pollutants that impact the environment and present a significant environmental liability for the fossil fuel industry. Among the various treatment approaches, biological methods—particularly those involving microalgae—have shown promise for PW remediation. In this study, we evaluated the bioremediation potential of PW using a microalga Chlorolobion braunii cultivated in 250 L photobioreactors. C. braunii was cultivated in a mixture containing 50 % PW and 50 % BG-11 (Blue green 11) medium (PW50%), while the control comprised only the BG-11 medium. Results demonstrated high removal efficiencies for nitrate (99.54 %), phosphate (77.78 %), iron (94 %), and manganese (75 %), along with a reduction in alkalinity (61 %). A total of 40 g of biomass was produced using 100 L of PW, containing 8.50 % lipids. This biomass mainly contained palmitic acid (C16:0) and elaidic acid (C18:1ω9t), indicating its suitability for biodiesel production according to the International Quality Standards of the American Society for Testing and Materials (ASTM D6751 ) and the Brazilian National Agency of Petroleum, Natural Gas, and Biofuels (ANP). The biomass also yielded 35.12 % bio-oil and 57.69 % non-condensable gases during pyrolysis. Furthermore, 30 g of exopolysaccharides (EPS) were obtained, which exhibited pseudoplastic characteristics—a property of industrial interest. Thus, the treatment using 50 % PW for the cultivation of C. braunii was deemed a promising strategy for bioremediation and facilitated the production of high-value bioproducts.

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The Seawater Heavy Metal Content of the Mining Port Close to the Residential Area in the Morowali District

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IOP Conference Series: Earth and Environmental science 2021年第1期940卷

作者： J Delly K Mizuno T E B Soesilo M Gozan School of Environmental Science Universitas Indonesia Jakarta Pusat 10430 Jakarta Indonesia. Mechanical Engineering Department Faculty of Engineering Universitas Halu Oleo Kendari 93117 Indonesia. Bioprocess Engineering Program Department of Chemical Engineering Faculty of Engineering Universitas Indonesia Depok 16424 Indonesia.

Mining port operations are complex and can cause various forms of pollution. Analysis of seawater pollution from mining ports is required and complicated because of the various types of pollution, sources, effects, and different characteristics. This study examines the content of heavy metals in seawater in residential areas very close to mining ports. The method used sampling in three different places, examining seawater's heavy metal properties. Secondary data of the quality of seawater was obtained from the results of data monitoring carried out by the company periodically since the port was built as a comparison material from the results of sample inspection. The results of this study indicate that the waters around the settlements contain heavy metals. The composition of Cd was 10%, Pb was125%, Cu was 625%, Ni was 760%, and Zn was 300% above the standard of seawater quality for the Port Area set by the Indonesian government, which did not match the yearly reports (secondary data). On the other hand, community activities also have a minor role as a source of pollution. Therefore, it is essential to do further research with a focus on finding sources of pollution.

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Spectral evidence for unidirectional charge density wave in detwinned BaNi2As2

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Physical Review B 2023年第8期108卷 L081104-L081104页

作者： Yucheng Guo Mason Klemm Ji Seop Oh Yaofeng Xie Bing-Hua Lei Luca Moreschini Cheng Chen Ziqin Yue Sergey Gorovikov Tor Pedersen Matteo Michiardi Sergey Zhdanovich Andrea Damascelli Jonathan Denlinger Makoto Hashimoto Donghui Lu Chris Jozwiak Aaron Bostwick Eli Rotenberg Sung-Kwan Mo Rob G. Moore Junichiro Kono Robert J. Birgeneau David J. Singh Pengcheng Dai Ming Yi Department of Physics and Astronomy Rice University Houston Texas 77005 USA Advanced Light Source Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Physics University of California Berkeley California 94720 USA Department of Physics and Astronomy University of Missouri Columbia Missouri 65211 USA Materials Science Division Lawrence Berkeley National Laboratory Berkeley California 94720 USA Department of Physics University of Oxford Oxford OX1 3PU United Kingdom Applied Physics Graduate Program Smalley-Curl Institute Rice University Houston Texas 77005 USA Canadian Light Source Inc. 44 Innovation Boulevard Saskatoon SK S7N 2V3 Canada Department of Physics and Astronomy University of British Columbia Vancouver British Columbia V6T 1Z1 Canada Quantum Matter Institute University of British Columbia Vancouver British Columbia V6T 1Z4 Canada Max Planck Institute for Chemical Physics of Solids Nöthnitzer Straße 40 01187 Dresden Germany Stanford Synchrotron Radiation Lightsource SLAC National Accelerator Laboratory Menlo Park California 94025 USA Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge Tennessee 37831 USA Department of Electrical and Computer Engineering Rice University Houston Texas 77005 USA Smalley-Curl Institute Rice University Houston Texas 77005 USA Department of Materials Science and NanoEngineering Rice University Houston Texas 77005 USA Department of Chemistry University of Missouri Columbia Missouri 65211 USA

In the iron-based superconductors, unconventional superconductivity emerges in proximity to intertwined electronic orders consisting of an electronic nematic order and a spin density wave (SDW). Recently, BaNi2As2, like its well-known iron-based analog BaFe2As2, has been discovered to host a symmetry-breaking structural transition but coupled to a unidirectional charge density wave (CDW) instead of SDW, providing a novel platform to study intertwined orders. Here, through a systematic angle-resolved photoemission spectroscopy study combined with a detwinning B1g uniaxial strain, we identify distinct spectral evidence of band evolution due to the structural transition as well as CDW-induced band folding. In contrast to the nematicity and spin density wave in BaFe2As2, the structural and CDW order parameters in BaNi2As2 are observed to be strongly coupled and do not separate in the presence of uniaxial strain. Furthermore, no nematic band splitting is resolved above the structural transition. Our measurements point to a likely lattice origin of the CDW order in BaNi2As2.

关键词： Charge density waves Nematic phase transition Iron-based superconductors Angle-resolved photoemission spectroscopy

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Phenanthrene-enriched extract from Eulophia Macrobulbon using Subcritical Dimethyl ether for Phosphodiesterase-5A1 inhibition

Research Square

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Research Square 2021年

作者： Srivilai, Jukkarin Boonnoun, Panatpong Saesong, Tongchai Pingyoda, Chitaporn Chaichamnong, Nattiya Engsuwan, Jinutda Temkitthawon, Prapapan Scholfield, C. Norman Nuengchamnong, Nitra Khorana, Nantaka Ingkaninan, Kornkanok Research and Innovation Center in Cosmetic Sciences and Natural products Department of Cosmetic Sciences School of Pharmaceutical Sciences University of Phayao Phayao56000 Thailand Department of Industrial Engineering Chemical Engineering Program Faculty of Engineering Naresuan University Phitsanulok65000 Thailand Center of Excellence in Cannabis Research Department of Pharmaceutical Chemistry and Pharmacognosy Faculty of Pharmaceutical Sciences Center of Excellence for Innovation in Chemistry Naresuan University Phitsanulok65000 Thailand Division of Applied Thai Traditional Medicine Faculty of Public Health Naresuan University Phitsanulok65000 Thailand Science Laboratory Center Faculty of Sciences Naresuan University Phitsanulok65000 Thailand Research and Innovation Center in Cosmetic Sciences and Natural products Department of Pharmaceutical Sciences School of Pharmaceutical Sciences University of Phayao Phayao56000 Thailand Naresuan University Thailand

Eulophia macrobulbon (*** & Rchb.f.) Hook.f. contains a natural PDE5A1 inhibitor, the phenanthrene, 1-(4'-hydroxybenzyl)-4,8- dimethoxyphenanthrene-2,7-diol (HDP) a potential treatment for erectile dysfunction. This investigation aimed to improve extraction efficiency of HDP from E. macrobulbon by using greener extraction methodology, subcritical fluid dimethyl ether extraction (sDME) rather than classical solvent extraction (CSE) and ultrasound-assisted extraction (UAE). The efficiency and quality of obtained extracts were evaluated by: %process yield;solvent amount;extraction period;temperature;%HDP content by LC-MS assay, bioactivity as inhibition of phosphodiesterase-5A1 (PDE5A1) by radio-enzymatic assay;and chemical profiles by LC-QTOF-MS analysis. sDME yielded the highest content of HDP in the extract at 4.47%, much higher than using ethanol (0.4-0.5%), ethyl acetate (1.2-1.7%), or dichloromethane (0.7-1.4%). Process yield for sDME (1.5-2.7%) was similar or less than that observed with other solvents (0.9-17%), but providing that process yield is not prohibitively low, concentration is a more important metric for clinical application. Optimal sDME extraction conditions were: extraction period, 40 mins;200% water as a cosolvent;sample-to-solvent ratio of 1:8;temperature, 35°C. Phenanthrene aglycone and glycoside derivatives were major constituents in sDME extracts and lesser amounts of phenolic compounds and sugars. Inhibition of PDE5A1 by sDME (IC50 0.67±0.22 µg/mL) was 10-fold more potent than the ethanolic extract and other extraction methods, suggesting a high likelihood of clinical efficacy. Thus, sDME was more efficient, faster, solvent-sparing, greener extraction methodology and more selective for phenanthrene when extracted from E. macrobulbon. © 2021, CC BY.

关键词： Ethers

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Photoexcitation-Based Supramolecular Access to Full-Scale Phase-Diagram Structures through in situ Phase-Volume Ratio Phototuning

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Angewandte Chemie 2022年第43期134卷

作者： Dr. Bingbing Yue Dr. Xiaoyong Jia Dr. Glib V. Baryshnikov Dr. Xin Jin Xicheng Feng Yunle Lu Mengkai Luo Dr. Man Zhang Shen Shen Prof. Dr. Hans Ågren Prof. Dr. Liangliang Zhu School of Materials and Chemistry University of Shanghai for Science and Technology Shanghai 200093 China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular Science Fudan University Shanghai 200438 China Henan Center for Outstanding Overseas Scientists College of Chemistry and Chemical Engineering Henan University Kaifeng Henan 475004 China Laboratory of Organic Electronics Department of Science and Technology Linköping University 60174 Norrköping Sweden Institute of Lasers and Biophotonics School of Biomedical Engineering Wenzhou Medical University Wenzhou Zhejiang 325035 China Department of Physics and Astronomy Uppsala University 75120 Uppsala Sweden

Controlling phase separation and transition plays a core role in establishing and maintaining the function of diverse self-assembled systems. However, it remains challenging to achieve wide-range continuous phase transition for dynamically producing a variety of assembled structures. Here, we developed a far-from-equilibrium system, upon the integration of photoexcitation-induced aggregation molecules and block copolymers, to establish an in situ phase-volume ratio photocontrol strategy. Thus, full-scale phase-diagram structures, from lamellar structure to gyroidal, cylindrical, and finally to a spherical one, can be accessed under different irradiation periods. Moreover, the phase transition was accompanied by considerable aggregation-induced phosphorescence and hydrophilicity/hydrophobicity change for building a functional surface. This strategy allows for a conceptual advance of accessing a wide range of distinct self-assembled structures and functions in real time.

关键词： Aggregation-Induced Phosphorescence Molecular Conformation Phase Transtions Phototuning Self-Assembly

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