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Advances in advanced solution-synthesis-based structural materials for tactile sensors and their intelligent applications

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InfoMat 2024年第1期6卷 31-64页

作者： Hongsen Niu Ning Li Eun-Seoung kim Young Kee Shin nam-Young kim Guozhen Shen Yang Li School of Information Science and Engineering University of JinanJinanthe People's Republic of China RFIC Centre Department of Electronics EngineeringKwangwoon UniversitySeoulRepublic of Korea Department of Molecular Medicine and Biopharmaceutical Sciences Seoul National UniversitySeoulRepublic of Korea School of Integrated Circuits and Electronics Beijing Institute of TechnologyBeijingthe People's Republic of China School of Microelectronics Shandong UniversityJinanthe People's Republic of China

Intelligent applications,with tactile sensors at their core,represent significant advancement in the field of artificial ***,achieving perception abilities in tactile sensors that match or exceed human skin remains a formidable ***,the design and implementation of hierarchical structural materials are considered the optimal solution to this *** contrast to conventional methods,such as complicated lithography and three-dimensional printing,the cost-effective and scalable nature of advanced solution-synthesis methods makes them ideal for preparing diverse tactile sensors with hierarchical structural ***,the process and applicability of advanced solution synthesis methods have yet to form a seamless ***,the development and intellectualization of tactile sensors based on advanced solution synthesis methods are still in their early stages,and require a comprehensive and systematic review to usher in *** study delves into the advantages and disadvantages of various advanced solution synthesis methods,providing detailed ***,the positive effects of hierarchical structural materials constructed using these methods in tactile sensors and their intelligent applications are also discussed in ***,the challenges and future opportunities faced by this emerging field are summarized.

关键词： aqueous phase reduction artificial intelligence hydrothermal growth in situ polymerization tactile sensor

On von Neumann Regularity of Commutators

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Algebra Colloquium 2024年第2期31卷 181-198页

作者： nam Kyun kim Tai Keun Kwak Yang Lee Sung Ju Ryu Nanqing Ding School of Basic Sciences Hanbat National UniversityDaejeon 34158Korea Department of Data Science Daejin UniversityPocheon 11159Korea Department of Mathematics Yanbian UniversityYanjiJilin 133002China Institute for Applied Mathematics and Optics Hanbat National University Daejeon 34158Korea Department of Mathematics Pusan National UniversityBusan 46241Korea 不详

We study the structure of rings which satisfy the von Neumann regularity of commutators,and call a ring R C-regularif ab-ba ∈(ab-ba)R(ab-ba)for all a,b in *** a C-regular ring R,we prove J(R[X])=N^(*)(R[X])=N^(*)(R)[X]=W(R)[X]■Z(R[X]),where J(A),N^(*)(A),W(A),Z(A)are the Jacobson radical,upper nilradical,Wedderburn radical,and center of a given ring A,respectively,and A[X]denotes the polynomial ring with a set X of commuting indeterminates over A;we also prove that R is semiprime if and only if the right(left)singular ideal of R is *** provide methods to construct C-regular rings which are neither commutative nor von Neumann regular,from any given ***,for a C-regular ring R,the following are proved to be equivalent:(i)R is Abelian;(ii)every prime factor ring of R is a duo domain;(ii)R is quasi-duo;and(iv)R/W(R)is reduced.

关键词： C-regular ring commutator regular ring commutative ring radical singular ideal

Tailoring Classical Conditioning Behavior in TiO_(2) Nanowires:ZnO QDs-Based Optoelectronic Memristors for Neuromorphic Hardware

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Nano-Micro Letters 2024年第7期16卷 265-280页

作者： Wenxiao Wang Yaqi Wang Feifei Yin Hongsen Niu Young-Kee Shin Yang Li Eun-Seong kim nam-Young kim School of Information Science and Engineering University of JinanJinan 250022People’s Republic of China RFIC Centre NDAC CentreKwangwoon UniversityNowon-guSeoul 139-701South Korea Department of Electronics Engineering Kwangwoon UniversityNowon-GuSeoul 139-701South Korea School of Microelectronics Shandong UniversityJinan 250101People’s Republic of China Department of Molecular Medicine and Biopharmaceutical Sciences Seoul National UniversitySeoul 08826South Korea

Neuromorphic hardware equipped with associative learn-ing capabilities presents fascinating applications in the next generation of artificial ***,research into synaptic devices exhibiting complex associative learning behaviors is still ***,an optoelec-tronic memristor based on Ag/TiO_(2) Nanowires:ZnO Quantum dots/FTO was proposed and constructed to emulate the biological associative learning *** implementation of synaptic behaviors,including long and short-term plasticity,and learning-forgetting-relearning behaviors,were achieved in the device through the application of light and electrical *** the optoelectronic co-modulated characteristics,a simulation of neuromorphic computing was conducted,resulting in a handwriting digit recognition accuracy of 88.9%.Furthermore,a 3×7 memristor array was constructed,confirming its application in artificial visual *** importantly,complex biological associative learning behaviors were emulated by mapping the light and electrical stimuli into conditioned and unconditioned stimuli,*** training through associative pairs,reflexes could be triggered solely using light ***-sively,under specific optoelectronic signal applications,the four features of classical conditioning,namely acquisition,extinction,recovery,and generalization,were elegantly *** work provides an optoelectronic memristor with associative behavior capabilities,offering a pathway for advancing brain-machine interfaces,autonomous robots,and machine self-learning in the future.

关键词： Artificial intelligence Classical conditioning Neuromorphic computing Artificial visual memory Optoelectronic memristors ZnO Quantum dots

Catalpa bignonioides extract improves exercise performance through regulation of growth and metabolism in skeletal muscles

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Asian Pacific Journal of Tropical Biomedicine 2024年第2期14卷 47-54页

作者： Hoibin Jeong Dong-joo Lee Sung-Pil Kwon SeonJu Park Song-Rae kim Seung Hyun kim Jae-Il Park Deug-chan Lee Kyung-Min Choi WonWoo Lee Ji-Won Park Bohyun Yun Su-Hyeon Cho Kil-nam kim Seoul Center Korea Basic Science InstituteSeoul 02841Republic of Korea Chuncheon Center Korea Basic Science InstituteChuncheon 24341Republic of Korea Research&Development Center Chungdam CDC JNPharm LLC.Chuncheon 24341Republic of Korea Department of Biomedical Technology Kangwon National UniversityChuncheon 24341Republic of Korea Yonsei Institute of Pharmaceutical Sciences College of PharmacyYonsei UniversityIncheon 21983Republic of Korea Gwangju Center Korea Basic Science InstituteGwangju 61751Republic of Korea Honam National Institute of Biological Resources 99Gohadoan-gilMokpo-siJeollanam-do58762Republic of Korea Department of Bio-analysis Science University of Science&TechnologyDaejeon34113Republic of Korea

Objective:To evaluate the effects of Catalpa bignonioides fruit extract on the promotion of muscle growth and muscular capacity in vitro and in ***:Cell viability was measured using the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide *** proliferation was assessed using a 5-bromo-2’-deoxyuridine(BrdU)assay *** blot analysis was performed to determine the protein expressions of related *** effects of Catalpa bignonioides extract were investigated in mice using the treadmill exhaustion test and whole-limb grip strength *** composition analysis was performed using high-performance liquid chromatography(HPLC).Results:Catalpa bignonioides extract increased the proliferation of C2C12 mouse myoblasts by activating the Akt/mTOR signaling *** also induced metabolic changes,increasing the number of mitochondria and glucose metabolism by phosphorylating adenosine monophosphate-activated protein *** an in vivo study,the extract-treated mice showed improved motor abilities,such as muscular endurance and grip ***,HPLC analysis showed that vanillic acid may be the main component of the Catalpa bignonioides extract that enhanced muscle ***:Catalpa bignonioides improves exercise performance through regulation of growth and metabolism in skeletal muscles,suggesting its potential as an effective natural agent for improving muscular strength.

关键词： Catalpa bignonioides Skeletal muscle Cell proliferation Mitochondria Energy metabolism C2C12

Ipsilateral retroperitoneal papillary renal cell carcinoma 27 years after simple nephrectomy for a renal abscess:A case report

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World Journal of Clinical Cases 2024年第20期12卷 4412-4418页

作者： Tae nam kim Ahrong kim Kyung Bin kim Chang Hun Lee Department of Urology Pusan National UniversitySchool of MedicineBiomedical Research Institute and Pusan National University HospitalBusan 43241South Korea Department of Pathology Pusan National UniversitySchool of MedicineBusan 49241South Korea

BACKGROUND Cases of severe inflammatory renal disease and renal cell carcinoma(RCC)that occur simultaneously in the same kidney have been occasionally ***,extrarenal RCC that does not originate from the native kidney has rarely been *** our knowledge,this is the first reported case of RCC developing in the ipsilateral retroperitoneal space after a simple nephrectomy(SN)for inflammatory renal *** SUMMARY A 63-year-old woman was referred to our hospital following the incidental discovery of a left retroperitoneal mass without specific *** medical history revealed a left SN 27 years ago due to a renal *** resonance imaging of the abdomen revealed three oval masses in the left *** masses were successfully excised,and subsequent pathology confirmed papillary *** surgery,the patient remained disease-free for 11 years without adjuvant *** Clinicians should be vigilant of RCC in patients with retroperitoneal masses,especially after SN for inflammatory renal disease.

关键词： Abscess Papillary renal cell carcinoma Nephrectomy Adhesiveness Case report

Vomiting-induced pharyngeal perforation during bowel preparation for colonoscopy:A case report

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World Journal of Clinical Cases 2024年第18期12卷 3615-3621页

作者： Geonhee kim Won Hyuk Lee Seokin Kang Jung Rock Moon Yoon Suk Lee Jun Hyuk Son nam-Hoon kim Jong Wook kim Department of Internal Medicine Ilsan Paik HospitalInje University College of MedicineGoyang 10380South Korea

BACKGROUND Effective bowel cleansing is essential for a successful ***,such as polyethylene glycol,are commonly used for bowel *** is a frequent complication during bowel preparation,and forceful vomiting can potentially lead to esophageal perforation,as reported in several previous ***,pharyngeal perforation during bowel preparation has not been previously ***,we present a case of pharyngeal perforation induced by forceful vomiting during bowel *** SUMMARY A 38-year-old man with a history of hypertension,dyslipidemia,diabetes mellitus,and end-stage renal disease on hemodialysis was admitted for evaluation of recurrent abdominal *** patient complained of sudden pain in the neck,throat,and anterior chest following forceful vomiting during bowel *** examination revealed crepitus under the skin of the neck and anterior chest on palpation,and upper gastrointestinal endoscopy revealed pharyngeal *** perforation site was located above the upper esophageal sphincter,which distinguished it from Boerhaave’s *** medical management was chosen after consultation with a thoracic surgeon and an otolaryngologist,considering the patient's mild symptoms,stable vital signs,and the small size of the lesion;the perforation resolved without endoscopic or surgical *** patient was discharged from hospital two weeks after the *** Despite its rarity,pharyngeal perforation should be considered a potential complication of bowel preparation for colonoscopy.

关键词： Colonoscopy Pharynx Polyethylene glycols Spontaneous perforation Case report

Thermo-Mechanical, Physico-Chemical, Morphological, and Fire Characteristics of Eco-Friendly Particleboard Manufactured with Phosphorylated Lignin Addition

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Journal of Renewable Materials 2024年第7期12卷 1311-1341页

作者： Apri Heri Iswanto Harisyah Manurung Asma Sohail Lee Seng Hua Petar Antov Deded Sarip Nawawi Sarah Latifah Dewi Shafa Kayla Sukma Surya Kusumah Muhammad Adly Rahandi Lubis Linda MakovickáOsvaldová MohdHazwan Hussin Rangabhashiyam Selvasembian Lum Wei Chen Puji Rahmawati Nurcahyani nam Hun kim Widya Fatriasari Department of Forest Products Faculty of ForestryUniversitas Sumatera UtaraKampus USU Padang BulanMedanNorth Sumatra20155Indonesia Department of Chemistry Lahore College for Women UniversityLahore4444Pakistan Department of Wood Industry Faculty of Applied SciencesUniversiti Teknologi MARA(UiTM)Cawangan Pahang Kampus JengkaShah Alam26400Malaysia Faculty of Forest Industry University of ForestrySofia1797Bulgaria Department of Forest Product Faculty of Forestry and EnvironmentIPB UniversityBogor16680Indonesia Research Center for Biomass and Bioproducts National Research and Innovation Agency(BRIN)Cibinong16911Indonesia Department of Forest Engineering Faculty of Security EngineeringUniversity of ZilinaZilina01001Slovakia Materials Technology Research Group(MaTReC) School of Chemical SciencesUniversiti SainsMalaysiaMindenPenang11800Malaysia Department of Environmental Science and Engineering School of Engineering and SciencesSRM University-APAmaravatiAndhra Pradesh522240India Department of Bio and Natural Resources Faculty of Bioengineering and TechnologyUniversitiMalaysia KelantanJeliKelantan17600Malaysia Department of Forest Biomaterials Engineering College of Forest and Environmental SciencesKangwon National UniversityChuncheon24341Republic of Korea

Lignin,lignosulfonate,and synthesized phosphorylated lignosulfonate were introduced as greenﬁllers in citric acid-sucrose adhesives for bonding particleboard fabricated from areca leaf sheath(ALS).The characteristics of particleboards were compared to that of ultralow emitting formaldehyde(ULEF-UF).Theﬁllers derived from Eucalyptus ***-lignin were added forﬂame retardancy enhancement.10%of each lignin and modiﬁed lig-nin was added into the ULEF-UF and citric acid-sucrose bonded *** applied to particle-boards included thermal characteristics,X-ray diffraction analysis(XRD),morphological properties,Fourier transform infrared spectroscopy(FTIR),as well as physical,mechanical,andﬁre resistance characteristics of the laboratory-fabricated *** and modiﬁed lignin resulted in improved thermal stability of the composites bonded with ULEF-UF while the improvement in the particleboard bonded with citric acid-sucrose was not signiﬁ*** introduction ofﬁller exerted a higher inﬂuence on the UF-bonded particleboards compared to composites fabricated with citric ***,the presence of lignin,lignosulfonate,and phosphorylated lignosulfonate enhanced the mechanical strength of the ULEF-bonded particleboards,although their dimensional stability has ***,the use of lignin and lignosulfonate enhanced theﬁre resis-tance of the particleboards produced with lower observed weight *** laboratory particleboards exhibited satisfactoryﬁre resistance,attaining a V-0 rating in according to the UL-94 standard.

关键词： Modiﬁed lignin eco-friendly particleboard ﬁre and thermal properties citric acid-sucrose ultralow-emitting urea-formaldehyde resin

Appetite for Natech Risk Information in Japan:Understanding Citizens'Communicative Behavior Towards Risk Information Disclosure Around Osaka Bay

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International Journal of Disaster Risk Science 2022年第3期13卷 372-390页

作者： Dimitrios Tzioutzios Jeong-nam kim Ana Maria Cruz Department of Urban Management Graduate School of EngineeringKyoto UniversityKyoto615-8540Japan Gaylord College of Journalism and Mass Communication University of OklahomaNormanOK73019USA Disaster Prevention Research Institute Kyoto UniversityKyoto611-0011Japan

Effective risk communication is essential for disaster risk *** from empowering communities to make informed risk choices,risk information disclosure can also drastically enhance their disaster preparedness,especially concerning conjoint scenarios of technological and natural hazards(Natech).A fundamental precondition is the actual demand for such *** study ventures to assess whether residents around Osaka Bay have this demand,or"appetite,"for risk information disclosure,as well as to understand their communicative behavior and perceived challenges in the Japanese context through the prism of the Situational Theory of Problem *** test this framework under realistic conditions,data were collected through a household questionnaire survey from two urban areas near industrial complexes in Osaka *** results show that identifying Natech risk information deficiency as a problem was not a statistically significant predictor for individuals'motivation to ***,their motivation increased as their perceived personal involvement with the situation rose,while the perceived obstacles in doing something about it exerted a negative influence on their ***'motivation intensified their communicative actions to solve this *** segmentation underscored the elevated public perceptions concerning the issue of risk information deficiency in nearly nine out of ten *** findings indicate a strong community appetite for chemical and Natech risk information,which subsequently led to high situational motivation to engage in communicative action,particularly information *** management policy is suggested to focus on introducing chemical risk information disclosure regulatory initiatives to encourage citizen engagement.

关键词： Japan Natech risk information Participatory risk management Risk communication Situational Theory of Problem Solving(STOPS)

Evaluation of immobilizing agents as soil quality conditioners in addition to their metal(loid) immobilizing effect

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Pedosphere 2022年第2期32卷 307-316页

作者： Chaw Su LWIN Mina LEE Young-nam kim Gary OWENS Kwon-Rae kim Department of Soil and Water Science Yezin Agricultural UniversityYezinNaypyitaw 15013Myanmar Department of Smart-Agro Industry Gyeongsang National UniversityJinju 52725Korea Institute of Agriculture and Life Science(IALS) Gyeongsang National UniversityJinju 52828Korea Environmental Contaminants Group Future Industries InstituteUniversity of South AustralianMawson Lakes SA 5095Australia

In trace metal (TM)-contaminated agricultural soils,management of TM availability is important for safe crop *** addition,maintenance or improvement of soil quality is vital for sustainable crop *** TM phytoavailability and increased soil quality can be achieved by the application of various immobilizing agents to soil,which can supply both macronutrients and organic *** study investigated the long-term influences of four common immobilizing agents on soil biogeochemical properties and the phytoavailability of TMs in mixed metal-contaminated soil from a cultivated upland near an abandoned mining *** (L),gypsum (G),fly ash (F),and animal manure-based compost (C) were applied to pots containing contaminated soil,either individually or in *** incubation for three years under sequential cultivation of two crops and fallow,soil biogeochemical properties were determined,and Brassica rapa plant bioassay was *** phytoavailability of all TMs (both cationic metals and anionic metalloids) remained significantly lower in soils treated with immobilizing agents even after three years,when compared with the no-agent control (CK) *** addition,the soil quality was significantly improved by treatment with immobilizing *** instance,the C and L+C treatments were the most effective in improving soil physical (bulk density,porosity,and water-resistant aggregate stability),chemical (pH,organic matter,total nitrogen,cation exchange capacity,and plant-available phosphorus,magnesium,and potassium),and biological (microbial biomass carbon and dehydrogenase activity) *** improvement of soil properties and lowering of TM bioavailability were also consistent with the most significant increase in *** biomass production observed in the C treatment,followed by the L+C,G+F,L,G,F,and L+G treatments,as compared with that in *** results indicate that the function of the TM-immobilizing agent as a soil qualit

关键词： crop production metal bioavailability metal immobilization metal phytoavailability soil amendments soil biogeochemical properties soil remediation trace metals