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Logic-in-memory cell enabling binary and ternary Boolean logics

Science China(Information Sciences) 2025年

作者： jeongyun oh Juhee JEON Yunwoo SHIN Kyougah CHO Sangsig KIM Department of Electrical Engineering Korea University

In computing systems, processing and memory units have been integrated into logic-in-memory (LiM) to enhance the computational efficiency and performance. LiM has been attempted to perform not only binary but also ternary logic functions, which reduces computing complexity. Herein, we demonstrate a binary and ternary LiM (BT-LiM) cell with eight triple-gated (TG) feedback field-effect transistors (FBFETs) reconfigured into n-or p-channel modes. The TG FBFETs exhibit symmetrical latch-up voltages and an on-current ratio of 1.02 between the n-and p-channel modes, which indicates a high potential for reconfigurable logic applications. The BT-LiM cell can perform YES, NOT, AND, OR, NAND, NOR, XNOR, and XOR logic functions in a single cell because of these reconfigurable characteristics. Further, binary and ternary logic functions are realized in the cell without a programming stage, and the cell maintains the results of the logic functions under zero-bias conditions. This study achieves multifunctional LiM that can operate all binary and ternary Boolean logics.

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Ultraviolet B radiation-mediated stress ethylene emission from rice plants is regulated by 1-aminocyclopropane-1-carboxylate deaminase-producing bacteria

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Pedosphere 2022年第2期32卷 364-368页

作者： jeongyun CHOI Aritra ROY CHOUDHURY Myung-Min oh Denver I.WALITANG Tongmin SA Department of Environmental and Biological Chemistry Chungbuk National UniversityCheongju 28644Republic of Korea Bio-Evaluation Center Korea Research Institute of Bioscience and BiotechnologyCheongju 28116Republic of Korea Devision of Animal Horticultural and Food SciencesChungbuk National UniversityCheongju 28644Republic of Korea Brain Korea 21 Center for Bio-Health IndustryChungbuk National UniversityCheongju 28644Republic of Korea College of Agriculture Fisheries and ForestryRomblon State University Romblon 5505Philippines The Korean Academy of Science and Technology Seongnam 13630Republic of Korea

Dear Editor,Industrial emissions have played a major role in damaging the ozone layer,leading to increased atmospheric penetration of ultraviolet B (UV-B)(290–320 nm) radiation (Jordan,2002).The recovery rate of the damaged ozone layer in the mid-latitudes and tropics has been insignificant since 1979(Chipperfield et al.,2017),even after the adoption of the Montreal Protocol (Protocol,1987),and the recovery process is expected to take many *** the meantime,UV-B radiation continues to penetrate the atmosphere (McKenzie et al.,2011;Bais et al.,2019).The characteristic short length and high energy of this radiation wavelength can directly affect major molecules,such as DNA,proteins,and lipids,which are important to living beings (Hideg et al.,2013).Rice is one of the major global crops,which is generally cultivated at lower latitudes and can potentially be exposed to a higher flux of UV radiation due to greater solar angles and longer duration of sunlight (Kataria and Guruprasad,2012).

关键词： crops ozone latitude

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Photonic control of ligand nanospacing in self-assembly regulates stem cell fate

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Bioactive Materials 2024年第4期34卷 164-180页

作者： Sungkyu Lee Jounghyun Yoo Gunhyu Bae Ramar Thangam jeongyun Heo Jung Yeon Park Honghwan Choi Chowon Kim Jusung An Jungryun Kim Kwang Rok Mun Seungyong Shin Kunyu Zhang Pengchao Zhao Yuri Kim Nayeon Kang Seong-Beom Han Dahee Kim Jiwon Yoon Misun Kang Jihwan Kim Letao Yang Solmaz Karamikamkar Jinjoo Kim Yangzhi Zhu Alireza Hassani Najafabadi Guosheng Song Dong-Hwee Kim Ki-Bum Lee Soong Ju oh Hyun-Do Jung Hyun-Cheol Song Woo Young Jang Liming Bian Zhiqin Chu Juyoung Yoon Jong Seung Kim Yu Shrike Zhang Yongju Kim Ho Seong Jang Sehoon Kim Heemin Kang Department of Materials Science and Engineering Korea UniversitySeoul02841Republic of Korea Chemical and Biological Integrative Research Center Korea Institute of Science and TechnologySeoul02792Republic of Korea KU-KIST Graduate School of Converging Science and Technology Korea UniversitySeoul02841Republic of Korea Department of Chemistry Korea UniversitySeoul02841Republic of Korea Materials Architecturing Research Center Korea Institute of Science and TechnologySeoul02792Republic of Korea School of Biomedical Sciences and Engineering Guangzhou International CampusSouth China University of TechnologyGuangzhou511442China Department of Chemistry and Chemical Biology Rutgers UniversityPiscatawayNJ08854USA Terasaki Institute for Biomedical Innovation Los AngelesCA90064USA State Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical EngineeringHunan UniversityChangsha410082China Department of Biomedical-Chemical Engineering The Catholic University of KoreaGyeonggi-do14662Republic of Korea Electronic Materials Research Center Korea Institute of Science and TechnologySeoul02792Republic of Korea KIST-SKKU Carbon-Neutral Research Center Sungkyunkwan University(SKKU)Suwon16419Republic of Korea Department of Orthopedic Surgery Korea University Anam HospitalSeoul02841Republic of Korea Department of Electrical and Electronic Engineering and Joint Appointment with School of Biomedical Sciences The University of Hong KongHong Kong518057China Department of Chemistry and Nanoscience Ewha Womans UniversitySeoul03760Republic of Korea Division of Engineering in Medicine Department of MedicineBrigham and Women’s Hospital Harvard Medical SchoolCambridgeMA02139USA Division of Nano&Information Technology KIST SchoolKorea University of Science and Technology(UST)Seoul02792Republic of Korea College of Medicine Korea UniversitySeoul02841Republic of Korea Division of Materials Science and Engineering Hanyang UniversitySeoul04763Republic of Korea

Extracellular matrix(ECM)undergoes dynamic inflation that dynamically changes ligand nanospacing but has not been *** we utilize ECM-mimicking photocontrolled supramolecular ligand-tunable Azo^(+)self-assembly composed of azobenzene derivatives(Azo^(+))stacked via cation-πinteractions and stabilized with RGD ligand-bearing poly(acrylic acid).Near-infrared-upconverted-ultraviolet light induces cis-Azo^(+)-mediated inflation that suppresses cation-πinteractions,thereby inflating liganded *** inflation increases nanospacing of“closely nanospaced”ligands from 1.8 nm to 2.6 nm and the surface area of liganded selfassembly that facilitate stem cell adhesion,mechanosensing,and differentiation both in vitro and in vivo,including the release of loaded molecules by destabilizing water bridges and hydrogen bonds between the Azo^(+)molecules and loaded ***,visible light induces trans-Azo^(+)formation that facilitates cation-πinteractions,thereby deflating self-assembly with“closely nanospaced”ligands that inhibits stem cell adhesion,mechanosensing,and *** stark contrast,when ligand nanospacing increases from 8.7 nm to 12.2 nm via the inflation of self-assembly,the surface area of“distantly nanospaced”ligands increases,thereby suppressing stem cell adhesion,mechanosensing,and ***-term in vivo stability of self-assembly via real-time tracking and upconversion are *** tuning of ligand nanospacing can unravel dynamic ligand-cell interactions for stem cell-regulated tissue regeneration.

关键词： Dynamic self-assembly Ligand nanospacing In vivo tracking Stem cell adhesion Stem cell fate

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