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Conference on Lasers and Electro-Optics (CLEO)

作者： Senyue Hao Aaron J Adkins Yitian Zhang Chao Zhou Department of Electrical & Systems Engineering Washington University in Saint Louis USA Imaging Science PhD Program Washington University in Saint Louis USA Department of Biomedical Engineering Washington University in Saint Louis USA

To implement optical coherence tomography on photonic chips, we developed optimized and experimentally validated silicon nitride-based components for photonic integrated circuits in order to achieve high sensitivity a... 详细信息

ISBN: (纸本)9798350369311

关键词： Sensitivity Optical coherence tomography Photonic integrated circuits Silicon Electro-optical waveguides Photonics

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The Scalability of Third Generation Photovoltaics: Deposition Techniques and Modularity

The Scalability of Third Generation Photovoltaics: Depositio...

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2023 Sharjah International Conference on Physics of Advanced Materials, SICPAM 2023

作者： Ayoub, Mohamad Alashkar, Adnan Mdallal, Ayman Ibrahim, Taleb Khamis, Mustafa Alami, Abdul Hai Sustainable and Renewable Energy Engineering Department University of Sharjah Sharjah27272 United Arab Emirates PhD Program in Materials Science and Engineering American University of Sharjah Sharjah26666 United Arab Emirates Department of Chemical Engineering American University of Sharjah Sharjah26666 United Arab Emirates Department of Biology Chemistry and Environmental Sciences College of Arts and Sciences American University of Sharjah Sharjah26666 United Arab Emirates Center for Advanced Materials Research Research Institute of Science and Engineering University of Sharjah Sharjah27272 United Arab Emirates

The development of third-generation photovoltaic (TGPV) technologies promises to address some of the limitations of conventional silicon-based solar cells. However, the scalability of these technologies is a critical factor in their practical application. TGPV include Perovskite Solar Cells (PSC), Organic Solar Cells (OSC), and Dye-Sensitized Solar Cell (DSSC). This paper reviews and summarizes the recent trends and research on the deposition techniques and modularity of TGPV. Various deposition techniques such as slot-die coating, thermal evaporation, and spray pyrolysis are discussed, along with their advantages and limitations. Modularity, which allows for the integration of TGPV cells into different structures, is also examined as a critical factor in scalability. The paper concludes that the scalability of TGPV technologies depends on the development of efficient and cost-effective deposition techniques and modularity, which will facilitate the integration of the TGPV cells into various structures and enable the widespread use of these promising technologies. © Published under licence by IOP Publishing Ltd.

关键词： Perovskite solar cells

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Enhanced light-driven photoelectrochemical catalysis of water splitting by TiO2 nanotubes grown on acid-etched titanium foils

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International Journal of Hydrogen Energy 2024年第PartA期51卷 1483-1493页

作者： Hsiao, Yu-Cheng Lai, Jhih-Hong Fan, Yu-Min Chen, Hung-Ming Yougbaré, Sibidou Saukani, Muhammad Chen, Chih-Yu Wu, Yung-Fu Lin, Lu-Yin International PhD Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Stanford Byers Center for Biodesign Stanford University CA94305-5428 United States Graduate Institute of Biomedical Optomechatronics College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Department of Chemical Engineering and Biotechnology National Taipei University of Technology Taipei Taiwan Department of Chemical Engineering Ming Chi University of Technology New Taipei City24301 Taiwan Gingen Technology Co. LTD. Rm. 7 10F. No.189 Sec. 2 Keelung Rd. Xinyi Dist. Taipei11054 Taiwan /Nanoro 03 B.P 7192 Ouagadougou03 Burkina Faso Department of Mechanical Engineering Faculty of Engineering Universitas Islam Kalimantan MAB Jl. Adhyaksa No. 2 Banjarmasin70124 Indonesia Department of Orthopedics Shuang Ho Hospital Taipei Medical University New Taipei City23561 Taiwan International Ph.D. Program in Biomedical Engineering College of Biomedical Engineering Taipei Medical University Taipei11031 Taiwan Cell Physiology and Molecular Image Research Center Wan Fang Hospital Taipei Medical University Taipei11696 Taiwan

Titanium dioxide with suitable band edges is one of promising photocatalysts for water splitting. Nanotubes with one-dimensional structure can induce efficient charge transfers and hollow centers can provide large surface area for surface reactions. Modifying Ti foils for anodization can enhance light utilization of TiO2 nanotube photoelectrodes. In this work, it is firstly to fabricate TiO2 nanotube photoelectrodes on acid-etched Ti foils by anodization (MNT) for photoelectrochemical catalyzing water splitting. Different acid-etching durations are applied on Ti foils to induce various rugged surfaces. The resulting photoelectrodes present largely enhanced light utilization than that fabricated by the pristine Ti foil. The anodization duration is also optimized to find suitable lengths of MNT. The smallest overpotential of 524.7 mV at 10 mA/cm2 and Tafel slope of 167 mV/dec are obtained for the optimal MNT photoelectrode. The TiO2 nanotubes grown on the pristine Ti foil shows the overpotential of 679.3 mV at 10 mA/cm2 and Tafel slope of 285 mV/dec. This result opens a blueprint for raising the photocatalytic ability by simply modifying the surface property of the conductive substrate. Other modifications may be applicable to enhance the roughness of Ti foils for growing more efficient MNT array as photocatalysis of water splitting. © 2023 Hydrogen Energy Publications LLC

关键词： Titanium dioxide

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An Outlook on the Utilization of Perovskite Films in Photocatalytic and Optoelectronic Devices

An Outlook on the Utilization of Perovskite Films in Photoca...

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Advances in Science and engineering Technology International Conferences (ASET)

作者： Adnan Alashkar Mohamad Ali Ayoub Abdul Hai Al-Alami Mohammad Ali Abdelkareem Abdul Ghani Olabi Ayman Mdallal Materials Science and Engineering PhD Program American University of Sharjah Sharjah United Arab Emirate Sustainable and Renewable Energy Engineering University of Sharjah Sharjah United Arab Emirate

The search for novel multi-functional material has been on the rise for the past decades. These materials ought to possess flexible structures and tunable properties in order to be utilized for a variety of applications. Perovskite materials are predominantly used in solar cell applications due to their broad absorption spectrum, long carrier lifetime, and long transport distance of electrons and holes. Nevertheless, their unique and tunable properties allow for their utilization in a wide range of applications. In this work, a review on the application of perovskite materials in hydrogen production, supercapacitors, and optoelectronic devices is presented. The role of perovskite in the improvement of said applications is investigated, and future outlook and remarks are presented. This paper highlights the potential utilization of perovskite material outside the scope of photoelectric devices and solar cells.

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Spleen-preserving distal pancreatectomy from multi-port to reducedport surgery approach

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World Journal of Gastrointestinal Surgery 2023年第7期15卷 1501-1511页

作者： Ching-Lung Hsieh Tung-Sheng Tsai Cheng-Ming Peng Teng-Chieh Cheng Yi-Jui Liu Department of Computer Science and Information Engineering Feng Chia UniversityTaichung 40724TaiwanChina Department of Surgery Chung Shan Medical University HospitalTaichung 40201TaiwanChina PhD Program of Electrical and Communications Engineering Feng Chia UniversityTaichung 40724Taiwan School of Medicine Chung Shan Medical UniversityTaichung 40201Taiwan Da Vinci Minimally Invasive Surgery Center Chung Shan Medical University HospitalTaichung 40201Taiwan Department of Automatic Control Engineering Feng Chia UniversityTaichung 407Taiwan

BACKGROUND Minimally invasive pancreatic surgery via the multi-port approach has become a primary surgical method for distal pancreatectomy(DP)due to its advantages of lower wound pain and superior cosmetic *** studies have applied reduced-port techniques for DP in an attempt to enhance cosmetic outcomes due to the minimally invasive *** recent review studies have compared multi-port laparoscopic DP(LDP)and multi-port robotic DP(RDP);most of these studies concluded multi-port RDP is more beneficial than multi-port LDP for spleen ***,there have been no comprehensive reviews of the value of reduced-port LDP and reduced-port *** To search for and review the studies on spleen preservation and the clinical outcomes of minimally invasive DP that compared reduced-port DP surgery with multi-port DP *** The PubMed medical database was searched for articles published between 2013 and *** search terms were implemented using the following Boolean search algorithm:(“distal pancreatectomy”OR“left pancreatectomy”OR“peripheral pancreatic resection”)AND(“reduced-port”OR“single-site”OR“single-port”OR“dual-incision”OR“single-incision”)AND(“spleen-preserving”OR“spleen preservation”OR“splenic preservation”).A literature review was conducted to identify studies that compared the perioperative outcomes of reduced-port LDP and reduced-port *** Fifteen articles published in the period from 2013 to 2022 were retrieved using three groups of search *** studies were added after manually searching the related ***,10 papers were selected after removing case reports(n=3),non-English language papers(n=1),technique papers(n=1),reviews(n=1),and animal studies(n=1).The common items were defined as items reported in more than five papers,and data on these common items were extracted from all *** ten studies included a total of 337 patients(females/males:231/106)who underwent *** total,166 patients(females/male

关键词： Minimally invasive surgery Robotic distal pancreatectomy Laparoscopic distal pancreatectomy Spleen preservation Reduced-port Multi-port

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Artificial Intelligence Driven Multivariate Time Series Analysis of Network Traffic Prediction

Artificial Intelligence Driven Multivariate Time Series Anal...

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2024 Innovations in Intelligent Systems and Applications Conference, ASYU 2024

作者： Filiz, Gözde Yıldız, Ayşenur Kara, Erkan Altıntaş, Suat Çakar, Tuna Computer Sci.& Eng. PhD. Program MEF University Istanbul Turkey Research and Development Andromeda TV Digital Plat. Op. Inc. Istanbul Turkey IT Sytems and Network Andromeda TV Digital Plat. Op. Inc. Istanbul Turkey Computer Engineering MEF University Istanbul Turkey

ISBN: (纸本)9798350379433

The primary objective of this research is to employ artificial intelligence, machine learning, and neural networks in order to construct a network traffic prediction model. The analysis of network traffic data obtained from a digital media and entertainment provider operating in Turkey is conducted through the application of multivariate time-series analysis techniques in order to get insights into the temporal patterns and trends. In model development, Vector Autoregression (VAR), Vector Error Correction Model (VECM), Long-Short Term Memory (LSTM), and Gated Recurrent Unit (GRU) algorithms have been utilized. LSTM and GRU models have performed better with low Mean Absolute Percentage Error (MAPE) and high R-squared Score (R2). LSTM model has reached 0.98 R2 and 8.95% MAPE. These results indicate that the models can be utilized in network management optimization as resource allocation, congestion detection, anomaly detection, and quality of service. © 2024 IEEE.

关键词： Quality of service

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Herceptin-Positive Breast Cancer Treatment via Immunoliposomes Triggered by High-Frequency Ultrasound and Microbubbles

Herceptin-Positive Breast Cancer Treatment via Immunoliposom...

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IEEE International Conference on Nano/Molecular Medicine and engineering (NANOMED)

作者： Waad H. Abuwatfa Shabana Anjum William Pitt Ghaleb A. Husseini Material Science and Engineering PhD program College of Arts and Sciences American University of Sharjah Sharjah UAE Department of Chemical and Biological Engineering American University of Sharjah Sharjah UAE Department of Chemical Engineering Brigham Young University Provo UT USA

ISBN: (数字)9798331516994

ISBN: (纸本)9798331517007

abstract-Functionalizing chemotherapeutics-loaded liposomes with monoclonal antibodies can enhance their specificity and minimize side effects. Targeting the human epidermal growth factor receptor 2 (HER2), overexpressed in HER2-positive breast cancer, is achievable by coating liposomes with an anti-HER2 monoclonal antibody. This study focused on synthesizing doxorubicin (DOX)-loaded immunoliposomes functionalized with anti-HER2 (HER-lip). The release of the drug from these immunoliposomes was triggered by high-frequency ultrasound (HFUS) and microbubbles, which acted as exogenous cavitation-enhancing agents. The platform was evaluated for size, lipid content, protein concentration, stability, and controlled release profiles. In vitro assessments were also performed, including the MTT assay for cell viability and flow cytometry to evaluate drug uptake. This innovative drug delivery system shows potential for combined therapeutic and diagnostic applications, improving personalized cancer care and treatment

关键词： Drugs Proteins Ultrasonic imaging Monoclonal antibodies Lipidomics Epidermis Breast cancer Drug delivery In vitro Immune system

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Photoresponse of Thermally Evaporated Copper Oxide-Based Solar Cells 1

Photoresponse of Thermally Evaporated Copper Oxide-Based Sol...

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1st Middle East and North Africa Solar Conference, MENA-SC 2023

作者： Alami, Abdul Hai Ayoub, Mohamad Alashkar, Adnan Alasad, Shamma Mdallal, Ayman Khuri, Siren Aljaghoub, Haya University of Sharjah Sustainable Energy & Power Systems Research Centre Sustainable and Renewable Energy Engineering Department Sharjah United Arab Emirates American University of Sharjah Materials Science and Engineering PhD Program Sharjah United Arab Emirates American University of Sharjah Mechancial Engineering Department Sharjah United Arab Emirates University of Sharjah Sustainable Energy & Power Systems Research Centre Sharjah United Arab Emirates University of Sharjah Industrial Engineering and Engineering Management Department Sharjah United Arab Emirates

ISBN: (纸本)9781665491464

This study reports on the fabrication and characterization of a copper oxide (CuO)-based photoactive cell. Copper was thermally evaporated onto two substrates and post-treated using chemical and thermal treatments to obtain different semiconducting types of CuO. Absorption measurements were conducted to obtain the bandgaps of CuO, which were found to be 1.51 eV and 1.21 eV, for the chemically and thermally treated CuO, respectively. Finally, a chronoamperometry test was conducted to confirm the photoresponse of the cell, which showed a doubling of output current values under light conditions compared to dark conditions. © 2023 IEEE.

关键词： Copper oxides

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Information geometry of the retinal representation manifold 23

Information geometry of the retinal representation manifold

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Proceedings of the 37th International Conference on Neural Information Processing Systems

作者： Xuehao Ding Dongsoo Lee Joshua B. Melander George Sivulka Surya Ganguli Stephen A. Baccus Department of Applied Physics Stanford University Neurosciences Phd Program Stanford University Department of Electrical Engineering Stanford University Department of Neurobiology Stanford University

The ability for the brain to discriminate among visual stimuli is constrained by their retinal representations. Previous studies of visual discriminability have been limited to either low-dimensional artificial stimuli or pure theoretical considerations without a realistic encoding model. Here we propose a novel framework for understanding stimulus discriminability achieved by retinal representations of naturalistic stimuli with the method of information geometry. To model the joint probability distribution of neural responses conditioned on the stimulus, we created a stochastic encoding model of a population of salamander retinal ganglion cells based on a three-layer convolutional neural network model. This model not only accurately captured the mean response to natural scenes but also a variety of second-order statistics. With the model and the proposed theory, we computed the Fisher information metric over stimuli to study the most discriminable stimulus directions. We found that the most discriminable stimulus varied substantially across stimuli, allowing an examination of the relationship between the most discriminable stimulus and the current stimulus. By examining responses generated by the most discriminable stimuli we further found that the most discriminative response mode is often aligned with the most stochastic mode. This finding carries the important implication that under natural scenes, retinal noise correlations are information-limiting rather than increasing information transmission as has been previously speculated. We additionally observed that sensitivity saturates less in the population than for single cells and that as a function of firing rate, Fisher information varies less than sensitivity. We conclude that under natural scenes, population coding benefits from complementary coding and helps to equalize the information carried by different firing rates, which may facilitate decoding of the stimulus under principles of information maximizatio

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Understanding age-related middle ear properties and basilar membrane damage in hearing loss: A finite element analysis and retrospective cohort study

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Computers in Biology and Medicine 2025年 184卷 109376-109376页

作者： Shih, Tzu-Ching Yu, You-Cheng Wang, Tang-Chuan Department of Biomedical Imaging and Radiological Science College of Medicine China Medical University Taichung404328 Taiwan The PhD Program for Medical Engineering and Rehabilitation Science College of Biomedical Engineering China Medical University Taichung404328 Taiwan Master Program for Biomedical Engineering College of Biomedical Engineering China Medical University Taichung404328 Taiwan Department of Otolaryngology-Head and Neck Surgery China Medical University Hsinchu Hospital Zhubei City Hsinchu302056 Taiwan

Age-related hearing loss (ARHL) is primarily attributed to inner-ear factors, yet the role of age-related middle ear characteristics remains elusive. Employing a finite element (FE) model, we conducted a comparative analysis with clinical data extracted from a retrospective cohort study involving 90 younger adults (mean age = 38.1 ± 7.7) and 111 older adults (mean age = 63.8 ± 8.4). The clinical dataset encompassed air-bone gap (ABG) measurements obtained through pure-tone audiometry (PTA) at frequencies of 0.5, 1.0, 2.0, and 4.0 kHz. FE results quantified the normalized stapes displacement value of the simulated form of air-bone gap (ABGSim) between the two age groups. The Mann-Whitney U test, with a significance threshold set at P © 2024

关键词： Bone

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