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Nano Research 2024年第8期17卷 7027-7038页

作者： Wenan Cai Yuichiro Tanaka Xing Zhu teruhisa.ohno Department of Applied Chemistry Faculty of EngineeringKyushu Institute of TechnologyKitakyushu 804-8550Japan College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXi’an 710021China

Polymer carbon nitride(PCN)is widely used in ***,pristine PCN has disadvantages such as insufficient visible light absorption and low photogenerated carrier separation efficiency that greatly limited the photocatalytic *** a non-toxic metal,gallium has the potential to solve the defects of *** ions coordinated with nitrogen in carbon nitride to form Ga-N active sites and improved the photocatalytic *** doped potassium ions form a transmission channel for charge redistribution and transfer between adjacent layers,which is beneficial for better separation of photoexcited *** this study,a series of PCN co-doped with gallium and potassium(Ga-K-PCN)were *** experimental results indicated photocatalytic generation of hydrogen peroxide proceeds through the 2e−oxygen reduction reaction ***,Nyquist plots and photocurrent results further proved that the presence of Ga-N sites and potassium ion doping could significantly improve the separation/transfer of intra-planar and interlayer charge carriers and thus enhance photocatalytic *** Ga10-K3-PCN photocatalysts promoted yield of H_(2)O_(2),with reactivity at 28.2μmol/(g·h)and solar-to-chemical conversion efficiency at 0.64%,surpassed that of a typical photo-catalyst based on PCN(0.18%).

关键词： photocatalysis gallium oxygen reduction reaction H_(2)O_(2) production

Improved photocatalytic performance of acetaldehyde degradation via crystal plane regulation on truncated octahedral CeO_(2)

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Rare Metals 2024年第5期43卷 2026-2038页

作者： Bin Xu Lu Jia Hui Yang Yue Wang Si-Yu Fan Sai-Sai Yuan Qi-TaoZhang Ming Zhang teruhisa.ohno School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China College of Environmental Science and Engineering Yangzhou UniversityYangzhou225127China Department of Applied Chemistry Faculty of EngineeringKyushu Institute of TechnologyKitakyushu804-8550Japan School of Environmental and Chemical Engineering Jiangsu University of Science and TechnologyZhenjiang 212000China National&Local Joint Engineering Research Center for Mineral Salt Deep Utilization Huaiyin Institute of TechnologyHuaian 223003China School of Materials Science and Engineering Henan University of Science and TechnologyLuoyang 471000China International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060China

In this study,the truncated octahedral CeO_(2)(CeO_(2)-to)with special morphology was prepared by the solvothermal method with oleic acid(OA)and oleamine(OM)as the morphology-directing ***-resolution transmission electron microscopy(HRTEM)results show that CeO_(2)-to exposes composite{100}and{111}facets,while CeO_(2)cubic(CeO_(2)-c)and CeO_(2)octahedral(CeO_(2)-o)only expose single crystal facets of{100}plane and{111}plane,***,this CeO_(2)-to photocatalyst exhibits remarkable photooxidation performance of gaseous acetaldehyde(CH_(3)CHO)degradation,in which CO_(2)generation value reaches 1.78 and 7.97-times greater than that of CeO_(2)-c and CeO_(2)-o,*** addition,the active species trapping experiment signifies that superoxide(·O_(2)^(-))and holes(h^(+))are the main reactive substances during the CH_(3)CHO degradation process,and the electron paramagnetic resonance(EPR)spectra indicates that the former is the major ***,the electron transfer mechanism between CeO_(2)-to{100}and{111}facets and the surface oxygen adsorption ability are revealed via density functional theory(DFT)*** is also confirmed that{100}facets are more conducive to the absorption of acetaldehyde than{111}***,a reasonable mechanism for improved photocatalytic CH_(3)CHO degradation on CeO_(2)-to is proposed based on relevant experiments and DFT *** study demonstrates that the systematic development of surface homojunction structured photocatalysts can efficiently increase the degradation activity for volatile organic compounds(VOCs).It also offers additional direction for optimizing the photocatalytic activity of other ceriumbased photocatalysts.

关键词： Truncated octahedral CeO_(2)(CeO_(2)-to) Composite crystal faces Surface energy level Efficient electrontransfer

Symmetric silicon microring resonator optical crossbar array for accelerated inference and training in deep learning

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Photonics Research 2024年第8期12卷 1681-1688页

作者： RUI TANG SHUHEI ohno KEN TANIZAWA KAZUHIRO IKEDA MAKOTO OKANO KASIDIT TOPRASERTPONG SHINICHI TAKAGI MITSURU TAKENAKA Department of Electrical Engineering and Information Systems The University of TokyoTokyo 113-8656Japan Quantum ICT Research Institute Tamagawa UniversityTokyo 194-8610Japan National Institute of Advanced Industrial Science and Technology Ibaraki 305-8568Japan

Photonic integrated circuits are emerging as a promising platform for accelerating matrix multiplications in deep learning,leveraging the inherent parallel nature of *** various schemes have been proposed and demonstrated to realize such photonic matrix accelerators,the in situ training of artificial neural networks using photonic accelerators remains challenging due to the difficulty of direct on-chip backpropagation on a photonic *** this work,we propose a silicon microring resonator(MRR)optical crossbar array with a symmetric structure that allows for simple on-chip backpropagation,potentially enabling the acceleration of both the inference and training phases of deep *** demonstrate a 4×4 circuit on a Si-on-insulator platform and use it to perform inference tasks of a simple neural network for classifying iris flowers,achieving a classification accuracy of 93.3%.Subsequently,we train the neural network using simulated on-chip backpropagation and achieve an accuracy of 91.1%in the same inference task after ***,we simulate a convolutional neural network for handwritten digit recognition,using a 9×9 MRR crossbar array to perform the convolution *** work contributes to the realization of compact and energy-efficient photonic accelerators for deep learning.

关键词： resonator neural matrix

Fabrication of morphology-controlled TiO_2 photocatalyst nanoparticles and improvement of photocatalytic activities by modification of Fe compounds

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Rare Metals 2015年第5期34卷 291-300页

作者： teruhisa.ohno Szu Ying Lee Yin Yang Department of Materials Science Graduate School of Engineering Kyushu Institute of Technology

Our previous studies suggested that redox reaction proceeded separately on specific exposed crystal faces of TiO2 nanoparticles. Site-selective deposition of metal or metal oxide on TiO2 specific exposed crystal faces successfully proceeded using the unique reactivity properties on the surface of TiO2 nanoparticles under photoexcitation. A remarkable improvement ofphotocatalytic activity of shape- controlled brookite and rutile TiO2 nanorods with modification of Fe^3＋ compounds was observed under visible light. Crystal face-selective metal compound modification on exposed crystal faces of TiO2 nanorods with brookite and futile phases was successfully prepared. Brookite and rutile TiO2 nanorods prepared by site-selective modification with metal compounds should be ideal visible-light responsive TiO2 photocatalysts because of the remarkable suppression of back electron transfer from TiO2 to oxidized metal com- pounds on the surface of the TiO2 nanorod with a brookite or rutile phase. In this paper, the development of exposed crystal face-controlled TiO2 nanorods with rutile and brookite phases was described. The obtained rutile and brookite TiO2 nanorod, showing remarkably high activity for degra- dation of organic compounds compared with the photocatalytic activities of anatase fine particles （ST-01）, is one of the most active commercially available photocatalysts for environmental cleanup in Japan. The technology of visiblelight responsive treatment for morphology-controlled rutile and brookite TiO2 nanorods by crystal face-selective modification of Fe^3＋ compounds was also discussed in this paper. The Fe^3＋ compound-modified rutile and brookite TiO2 nanorods show much higher activity than conventional visible-light responsive N-doped TiO2, which is commercially available in Japan.

关键词： Morphology-controlled TiO2 Separation of reaction sites Visible-light responsive TiO2 loaded with Fe^3+

Carrier Dynamics and Surface Reaction Boosted by Polymer-based Single-atom Photocatalysts

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Chemical Research in Chinese Universities 2022年第5期38卷 1207-1218页

作者： TENG Zhenyuan YANG Hongbin ZHANG Qitao ohno teruhisa Department of Applied Chemistry Faculty of EngineeringKyushu Institute of TechnologyKitakyushu 804-8550Japan School of Materials Science and Engineering Suzhou University of Science and TechnologySuzhou 215009P.R.China International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education Institute of Microscale OptoelectronicsShenzhen UniversityShenzhen 518060P.R.China

Carrier dynamics and surface reaction are two critical processes for determining the performance of photocatalytic *** designable polymer-based photocatalysts have shown promising protectives in energetic and environmental *** this prospective,we first distinguished the differences of physiochemical properties between polymer-based semiconductors and traditional inorganic ***,the effects of single-atom sites on the charge dynamics and reaction kinetics of polymer-based photocatalysts are further ***(excitation)-space(wavefunction)population analysis,which can provide relevant information to clarify the structure-excitation relationships after introducing the single atom sites was also *** the future,with the further development of artificial intelligence,the establishment of an energy function with a regression accuracy close to or reaching the level of density functional theory is highly desired to infer the energetic diagram of the photocatalytic systems at the excited ***,coordination structures,interaction with inorganic semiconductors,photocatalytic stability and solvent effects should also be carefully considered in the future studies of polymer-based photocatalyst.

关键词： Carrier dynamics Surface reaction Polymer Single-atom catalyst Dielectric property

Stage at diagnosis of colorectal cancer through diagnostic route:Who should be screened?

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World Journal of Gastroenterology 2024年第10期30卷 1368-1376页

作者： Nobukazu Agatsuma Takahiro Utsumi Yoshitaka Nishikawa Takahiro Horimatsu Takeshi Seta Yukitaka Yamashita Yukari Tanaka Takahiro Inoue Yuki Nakanishi Takahiro Shimizu Mikako ohno Akane Fukushima Takeo Nakayama Hiroshi Seno Department of Gastroenterology and Hepatology Kyoto University Graduate School of MedicineKyoto 606-8507Japan Department of Gastroenterology and Hepatology Japanese Red Cross Wakayama Medical CenterWakayama 640-8558Japan Department of Health Informatics Kyoto University School of Public HealthKyoto 606-8501Japan Institute for Advancement of Clinical and Translational Science(iACT) Kyoto University HospitalKyoto 606-8507Japan Medical Support Section Medical Affairs DivisionKyoto University HospitalKyoto 606-8507Japan

BACKGROUND Colorectal cancer(CRC)is a global health concern,with advanced-stage diagnoses contributing to poor *** efficacy of CRC screening has been well-established;nevertheless,a significant proportion of patients remain unscreened,with>70%of cases diagnosed outside *** identifying specific subgroups for whom CRC screening should be particularly recommended is crucial owing to limited resources,the association between the diagnostic routes and identification of these subgroups has been less *** the Japanese cancer registry,the diagnostic routes for groups discovered outside of screening are primarily categorized into those with comorbidities found during hospital visits and those with CRC-related *** To clarify the stage at CRC diagnosis based on diagnostic *** We conducted a retrospective observational study using a cancer registry of patients with CRC between January 2016 and December 2019 at two *** diagnostic routes were primarily classified into three groups:Cancer screening,follow-up,and *** early-stage was defined as Stages 0 or *** and univariate logistic regressions were exploited to determine the odds of early-stage diagnosis in the symptomatic and cancer screening groups,referencing the follow-up *** adjusted covariates were age,sex,and tumor *** Of the 2083 patients,715(34.4%),1064(51.1%),and 304(14.6%)belonged to the follow-up,symptomatic,and cancer screening groups,*** the 2083 patients,CRCs diagnosed at an early stage were 57.3%(410 of 715),23.9%(254 of 1064),and 59.5%(181 of 304)in the follow-up,symptomatic,and cancer screening groups,*** symptomatic group exhibited a lower likelihood of early-stage diagnosis than the follow-up group[P<0.001,adjusted odds ratio(aOR),0.23;95%confidence interval(95%CI):0.19-0.29].The likelihood of diagnosis at an early stage was similar between the follow-up and cancer screening gro

关键词： Colorectal neoplasms Cancer registry Diagnostic route Cancer screening Stage at diagnosis

Using choroidal thickness to detect myopic macular degeneration

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International Journal of Ophthalmology(English edition) 2024年第2期17卷 317-323页

作者： Ran Liu Meng Xuan De-Cai Wang Ou Xiao Xin-Xing Guo Jian Zhang Wei Wang Monica Jong Padmaja Sankaridurg Kyoko ohno-Matsui Qiu-Xia Yin Ming-Guang He Zhi-Xi Li State Key Laboratory of Ophthalmology Zhongshan Ophthalmic CenterSun Yat-sen UniversityGuangdong Provincial Key Laboratory of Ophthalmology and Visual ScienceGuangdong Provincial Clinical Research Center for Ocular DiseasesGuangzhou 510060Guangdong ProvinceChina New England College of Optometry BostonMassachusetts 02115USA Wilmer Eye Institute Johns Hopkins UniversityBaltimoreMD 21231USA Brien Holden Vision Institute Sydney 2052Australia School of Optometry and Vision Science University of New South WalesSydney 2052Australia Department of Ophthalmology and Visual Science Tokyo Medical and Dental UniversityTokyo 113-8510Japan School of Optometry the Hong Kong Polytechnic UniversityHong Kong SARChina Research Centre for SHARP Vision the Hong Kong Polytechnic UniversityHong Kong SARChina Center for Eye and Vision Research(CEVR) 17W Hong Kong Science ParkHong Kong SARChina

AIM:To explore the usage of choroidal thickness measured by swept-source optical coherence tomography(SS-OCT)to detect myopic macular degeneration(MMD)in high myopic ***:Participants with bilateral high myopia(≤−6 diopters)were recruited from a subset of the Guangzhou Zhongshan Ophthalmic Center-Brien Holden Vision Institute High Myopia Cohort ***-OCT was performed to determine the choroidal thickness,and myopic maculopathy was graded by the International Meta-Analysis for Pathologic Myopia(META-PM)Classiﬁ*** of MMD was defined as META-PM category 2 or ***:A total of 568 right eyes were included for *** with MMD(n=106,18.7%)were found to have older age,longer axial lengths(AL),higher myopic spherical equivalents(SE),and reduced choroidal thickness in each Early Treatment Diabetic Retinopathy Study(ETDRS)grid sector(P<0.001).The area under the receiver operating characteristic(ROC)curves(AUC)for subfoveal choroidal thickness(0.907)was greater than that of the model,including age,AL,and SE at 0.6249,0.8208,and 0.8205,*** choroidal thickness of the inner and outer nasal sectors was the most accurate indicator of MMD(AUC of 0.928 and 0.923,respectively).An outer nasal sector choroidal thickness of less than 74μm demonstrated the highest odds of predicting MMD(OR=33.8).CONCLUSION:Choroidal thickness detects the presence of MMD with high agreement,particularly of the inner and outer nasal sectors of the posterior pole,which appears to be a biometric parameter more precise than age,AL,or SE.

关键词： high myopia choroidal thickness myopic macular degeneration swept-source optical coherence tomography

Synthesis of anatase TiO_(2) with exposed {001} and {101} facets and photocatalytic activity

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Rare Metals 2019年第4期38卷 287-291页

作者： Jia Sun Ming Zhang Zhi-Feng Wang Hai-Yan Chen Ye Chen Naoya Murakami teruhisa.ohno School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China Department of Applied Chemistry Faculty of EngineeringKyushu Institute of TechnologyKitakyushu 804-8550Japan Testing Center Yangzhou UniversityYangzhou 225002China Department of Chemical Engineering Yangzhou Polytechnic InstituteYangzhou 225002China Japan Science and Technology Agency Saitama 3320012Japan

Anatase titanium(IV)oxide(TiO_(2))particles with exposed{001}and{101}facets were prepared by hydrothermal treatment of amorphous TiO_(2) with H_(2)O_(2)-NH_(3) *** phase,shape,and size of TiO_(2) particles are found to be greatly dependent on the ratio of H_(2)O_(2)-NH_(3) *** prepared TiO_(2) particles with specific exposed crystal faces show higher photocatalytic activity for acetaldehyde decomposition than commercial spherical TiO_(2) *** result implies that recombination is prevented by spatial separation of redox sites in the particles because of selective migration of electrons and positive holes to specific exposed crystal faces and/or different reactivity of electrons and positive holes on the specific exposed crystal face.

关键词： Anatase {001} and {101} facets H_(2)O_(2)-NH_(3)

Preparation of luminescent polystyrene microspheres via surface-modified route with rare earth(Eu^(3+) and Tb^(3+))complexes linked to 2,2'-bipyridine

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Rare Metals 2015年第8期34卷 590-594页

作者： Zhen-Xiong Ma Qi-Tao Zhang Jun-Liang Liu Chang-Hao Yan Ming Zhang teruhisa.ohno School of Chemistry and Chemical Engineering Yangzhou University Department of Applied Chemistry Faculty of EngineeringKyushu Institute of Technology School of Chemical Engineering Yangzhou Polytechnic Institute

Luminescent polystyrene microspheres were easily fabricated from poly(styrene-co-methacrylic acid)and aqueous RE(III) chloride solution(RE=Eu, Tb) in the presence of 2,20-bipyridine as second ligand. The negative charges of carboxyl groups on the surface of microspheres coordinated with rare earth ions at first, such as complexes covalently linked to 2,20-bipyridine, resulting in strong photoluminescence. Various methods, including transmission electron microscope(TEM), scanning electron microscope(SEM), energy dispersive spectroscopy(EDS),Fourier transform infrared spectroscopy(FT-IR), and fluorescence spectrophotometer, were used to characterize the resultant polystyrene composite microspheres. This work highlights the idea that it is facile to synthesis luminescent microspheres by surface-modified method directly.

关键词： Luminescent Polystyrene Terbium Europium 2,2’-bipy

Improvement of photocatalytic activity of high specific surface area graphitic carbon nitride by loading a co-catalyst

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Rare Metals 2019年第5期38卷 468-474页

作者： Ye Chen Naoya Murakami Hai-Yan Chen Jia Sun Qi-Tao Zhang Zhi-Feng Wang teruhisa.ohno Ming Zhang Department of Materials Science Faculty of EngineeringKyushu Institute of TechnologyKitakyushu 8048550Japan School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China Yangzhou Polytechnic Institute Yangzhou 225127.China Japan Science and Technology Agency Kawaguchi 3320012Japan

Graphitic carbon nitride(g-C3N4)was synthesized by heating melamine and was then treated with sodium hydroxide solution under a hydrothermal condition to obtain g-C3N4 with a large specific surface area(HSSA).HSSA shows higher photocatalytic activity for decomposition of acetaldehyde than that of original *** was modified with RuO2 as a co-catalyst by the impregnation *** loaded with 0.05 wt%RuO2 shows the highest photocatalytic activity for acetaldehyde decomposition under visible light(k=455 nm).

关键词： Graphitic carbon nitride Organic decomposition Co-catalyst Visible light