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An Entropy-Driven Multipedal DNA Walker Microsensor for In Situ Electrochemical Detection of ATP.
Anal Chem
December 2024
State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China.
Microelectrode- and nanoelectrode-based electrochemistry has become a powerful tool for the in situ monitoring of various biomolecules in vivo. However, two challenges limit the application of micro- and nanoelectrodes: the difficulty of highly sensitive detection of nonelectroactive molecules and the specific detection of target molecules in complex biological environments. Herein, we propose an electrochemical microsensor based on an entropy-driven multipedal DNA walker for the highly sensitive and selective detection of ATP.
View Article and Find Full Text PDFElectrochemical Control of the Ultrafast Lattice Response of a Layered Semimetal.
Adv Sci (Weinh)
December 2024
Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA.
The unique layer-stacking in two-dimensional (2D) van der Waals materials facilitates the formation of nearly degenerate phases of matter and opens novel routes for the design of low-power, reconfigurable functional materials. Electrochemical ion intercalation between stacked layers offers a promising approach to stabilize bulk metastable phases and to explore the effects of extreme carrier doping and strain. However, in situ characterization methods to study the structural evolution and dynamical functional properties of these intercalated materials remains limited.
View Article and Find Full Text PDFMeta-structure of amorphous-inspired 65.1Co28.2Cr5.3Mo lattices augmented by artificial intelligence.
Adv Compos Hybrid Mater
November 2024
Power Generation Laboratory, Korea Electric Power Research Institute, Daejeon, 34056 Republic of Korea.
Unlabelled: A hatching-distance-controlled lattice of 65.1Co28.2Cr5.
View Article and Find Full Text PDFBuilding an entropy-assisted enhanced surface on ultrahigh nickel cathodes to improve electrochemical stability.
J Colloid Interface Sci
December 2024
School of Materials Science and Engineering, Northeastern University, Shenyang 110819, PR China; School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, PR China; Key Laboratory of Dielectric and Electrolyte Functional Material Hebei Province, Qinhuangdao, PR China. Electronic address:
Increasing the Ni content in Ni-rich cathodes to over 90% can further enhance the energy density and reduce costs. However, this aggravates the issue of lattice oxygen release due to the instability of the layered structure. In this work, an entropy-stabilized surface strategy is used to process ultrahigh nickel cathode LiNiCoMnO (NCM).
View Article and Find Full Text PDFStructural Disorder of a Layered Lithium Manganese Oxide Cathode Paving a Reversible Phase Transition Route toward Its Theoretical Capacity.
J Am Chem Soc
December 2024
Department of Materials Science and Engineering, Korea University, Seoul 02841, Republic of Korea.
Layered lithium manganese oxides suffer from irreversible phase transitions induced by Mn migration and/or dissolution associated with the Jahn-Teller effect (JTE) of Mn, leading to inevitable capacity fading during cycling. The popular doping strategy of oxidizing Mn to Mn to relieve the JTE cannot completely eliminate the detrimental structural collapse from the cooperative JTE. Therefore, they are considered to be impractical for commercial use as cathode materials.
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