《纳米研究》2021年第3期目录
Review Articles
Iron-group electrocatalysts for ambient nitrogen reduction reaction in aqueous media
Benyuan Ma1,2, Haitao Zhao1, Tingshuai Li1, Qian Liu1, Yongsong Luo1, Chengbo Li1, Siyu Lu3, Abdullah M. Asiri4, Dongwei Ma5,*, and Xuping Sun1,*
1 University of Electronic Science and Technology of China, China
2 Nanyang Normal University, China
3 Zhengzhou University, China
4 King Abdulaziz University, Saudi Arabia
5 Henan University, China
Iron-group (Fe, Co, Ni and Cu) materials are earth-abundant, promising their large-scale applications. This review summarizes recent advances in the design and development of iron-group nitrogen reduction reaction (NRR) electrocatalysts for ambient N2-to-NH3 conversion in aqueous media.
555–569
Carbon-based nanozymes for biomedical applications
Hui Ding1, Bing Hu1, Bin Zhang1, Han Zhang3, Xiyun Yan4,*, Guohui Nie1,*, and Minmin Liang2,*
1 Shenzhen Second People’s Hospital/the First Affiliated Hospital of Shenzhen University Health Science Center, China
2 Beijing Institute of Technology, China
3 Shenzhen University, China
4 Institute of Biophysics, Chinese Academy of Sciences, China
Carbon nanozymes not only exhibit the physicochemical characteristics of carbon nanomaterials including size, shape, chemical composition, unique optical properties, and large surface area, but also possess enzymatic properties such as peroxidase-like property, catalase-like property, oxidase-like property and superoxide dismutase-like property. Applications of carbon nanomaterials have been greatly expanded by their enzymatic activity, leading to new biomedical applications. This review summarizes the development of chemical modifications and bioconjugate reactions of carbon-based nanozymes, a field of research that holds enormous potential and attracts significant interest in biomedical applications.
570–583
Research Articles
Two-dimensional MX Dirac materials and quantum spin Hall insulators with tunable electronic and topological properties
Yan-Fang Zhang1,2, Jinbo Pan2,†, Huta Banjade2, Jie Yu2, Hsin Lin3, Arun Bansil4, Shixuan Du1,*, and Qimin Yan2,*
1 Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, China
2 Temple University, USA
3 “Academia Sinica”, Taiwan, China
4 Northeastern University, USA
† Present address: Institute of Physics & University of Chinese Academy of Sciences, Chinese Academy of Sciences, China
A novel class of two-dimensional (2D) MX (M = Be, Mg, Zn and Cd, X = Cl, Br and I) compounds with an unbalanced chemical formula was proposed by using data-driven approaches method and first principles calculations. These compounds harbor Dirac states with ultra-high carrier mobilities that emerged from the interplay of incomplete charge transfer and hexagonal bipartite lattice. Intrinsically being quantum spin Hall insulators, some members of this family could potential host superconductivity in a highly tunable topological matrix.
584–589
A new viewpoint and model of neural signal generation and transmission: Signal transmission on unmyelinated neurons
Zuoxian Xiang1,2, Chuanxiang Tang2, Chao Chang1,*, and Guozhi Liu2,*
1 National Innovation Institute of Defense Technology, China
2 Tsinghua University, China
We study the generation and transmission of neural signals at different space and time scales based on quantum optics, electrodynamics and other theories. through theoretical calculations, there are two types of electromagnetic field signals with different time scales in neurons.
590–600
Chain-shattering Pt(IV)-backboned polymeric nanoplatform for efficient CRISPR/Cas9 gene editing to enhance synergistic cancer therapy
Qingfei Zhang1,2, Gaizhen Kuang3, Shasha He1,*, Sha Liu1,2, Hongtong Lu1,2, Xiaoyuan Li1, Dongfang Zhou1,4,*, and Yubin Huang1,2,*
1 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
2 University of Science and Technology of China, China
3 Affiliated Cancer Hospital of Zhengzhou University, China
4 Southern Medical University, China
A chain-shattering prodrug-backboned polymeric nanoplatform was developed to deliver CRISPR/Cas9 system for gene editing-chemo synergistic cancer therapy.
601–610
Effect of Zn atom in Fe-N-C catalysts for electro-catalytic reactions: Theoretical considerations
Yongcheng Li1, Riming Hu1, Zhibin Chen1, Xin Wan1, Jia-Xiang Shang1,*, Fu-He Wang2, and Jianglan Shui1,*
1 Beihang University, China
2 Capital Normal University, China
The active sites around Fe and Zn atoms in Fe-Zn-N6(III) show the lowest oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) overpotentials of 0.38 and 0.43 V, respectively. And the bridge site of Fe-Zn in Fe-Zn-N5 shows the lowest ηHER of −0.26 V. The existence of Zn element in the Fe-N-C catalysts plays a key role in reducing the ORR activation energy barrier.
611–619
Adaptive ordering and filament polymerization of cell cytoskeleton by tunable nanoarrays
Jing Dai and Yuan Yao*
ShanghaiTech University, China
In this research, we take advantage of nanoarray as matrix to reveal adaptive ordering and filament change of cytoskeleton, such as chemical polymerization, spatiotemporal distribution, and networking entanglements. And this finding also provides an insight on interplay between cytoskeleton reordering and cancer pathophysiology.
620–627
Stability enhancement of PbS quantum dots by site-selective surface passivation for near-infrared LED application
Xinsu Zhang1, Yujuan Chen1, Linyuan Lian2, Zizhen Zhang1, Yixuan Liu1, Li Song1, Chong Geng1,*, Jianbing Zhang2, and Shu Xu1,*
1 Hebei University of Technology, China
2 Huazhong University of Science and Technology, China
A trioctylphosphine-mediated surface passivation approach is developed to improve the air-and photo-stability of PbS quantum dots (QDs). The prepared PbS QDs possess a lead mono-carboxylate capping motif, which effectively passivates the surface S and renders the QDs stable in air, polymer matrices and light irradiation. Infrared light-emitting diodes (LEDs) based on the modified PbS QDs display a slight degradation of only 1.47% after continuous operation in air for 250 h.
628–634
Flexible synthesis of high-purity plasmonic assemblies
Laurent Lermusiaux†, Anum Nisar, and Alison M. Funston*
Monash University, Australia
† Present address: Université de Bordeaux, France
Surface functionalisation using deoxyribonucleic acid (DNA) and alkyl-polyethylene glycol (PEG) enables transformation of nanoparticles of different sizes, shapes and materials into readily usable plasmonic building blocks for self-assembly. Assemblies across many different classes in high purity incorporating the different building blocks are formed using electrophoresis purification by manipulation of DNA coverage.
635–645
Al homogeneous deposition induced by N-containing functional groups for enhanced cycling stability of Al-ion battery negative electrode
Handong Jiao1, Shuqiang Jiao1,2,*, Wei-Li Song1, Xiang Xiao2, Dongmei She1, Na Li1, Haosen Chen1, Jiguo Tu2, Mingyong Wang2, and Daining Fang1,*
1 Beijing Institute of Technology, China
2 University of Science and Technology Beijing, China
A self-supporting N-doped carbon rod array may inspire the design of next-generation Al-ion battery negative electrode with lightweight, dendrite-free, corrosion-resistant, non-pulverization, and long cycle life features.
646–653
Near-infrared light-driven yolk@shell carbon@silica nanomotors for fuel-free triglyceride degradation
Yi Xing, Songsong Tang, Xin Du*, Tailin Xu*, and Xueji Zhang*
University of Science and Technology Beijing, China
Spiky carbon@silica@lipase nanomotors have been developed with controllable yolk@shell nanostructures that can achieve self-thermophoretic propulsion under near-infrared (NIR) light irradiation for fuel-free triglyceride degradation.
654–659
Controllable photodynamic performance via an acidic microenvironment based on two-dimensional metal-organic frameworks for photodynamic therapy
Lifeng Hang1,*, Tao Zhang3,†, Hua Wen1, Lianbao Liang1, Wuming Li1, Xiaofen Ma1, and Guihua Jiang1,2,*
1 The Department of Medical Imaging Guangdong Second Provincial General Hospital, China
2 Southern Medical University, China
3 University of Science and Technology of China, China
† Present address: Nanyang Technological University, Singapore
A stable Li-CNT composite passivated by a dense self-assembled monolayer of dihexadecanoalkyl phosphate (DHP), exhibits excellent stability in air and in electrochemical cycling.
660–666
Cyanobacteria-based near-infrared light-excited self-supplying oxygen system for enhanced photodynamic therapy of hypoxic tumors
Yinghua Zhang1, Huifang Liu1, Xinyue Dai1, Hang Li1, Xiaohan Zhou1, Shizhu Chen2,3, Jinchao Zhang1,*, Xing-Jie Liang1,4, and Zhenhua Li1,*
1 Hebei University, China
2 Beijing Pharmaceutical Group Company Limited, China
3 China Resources Pharmaceutical Group Limited, China
4 National Center for Nanoscience and Technology, China
Cyanobacteria were used as a living carrier of photosensitizer conjugated upconversion nanoparticles (UCNP, a light harvesting antenna) to construct a self-supplying oxygen photodynamic therapy (PDT) system.
667–673
Graphene quantum dots: From efficient preparation to safe renal excretion
Caroline Hadad1,2, José Miguel González-Domínguez1,3, Silvia Armelloni4, Deborah Mattinzoli4, Masami Ikehata4, Akcan Istif1, Adrian Ostric1, Francesco Cellesi5, Carlo Maria Alfieri4,6,7, Piergiorgio Messa4,6,7, Belén Ballesteros8, and Tatiana Da Ros1,*
1 University of Trieste, Italy
2 Université de Picardie Jules Verne, France
3 Instituto de Carboquímica (CSIC), Spain
4 Renal Research Laboratory-Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Italy
5 Politecnico di Milano, Italy
6 Unit of Nephrology, Italy
7 University of Milan, Italy
8 CSIC and the Barcelona Institute of Science and Technology, Spain
Ultra-small graphene quantum dots (GQDs) were prepared from graphene oxide, using a reproducible, top-down procedure leading to a nearly 100% conversion of the starting material. GQDs confirmed their biocompatibility. They undergo renal clearance and they are internalized into podocytes by caveolae-mediated mechanism.
674–683
A confinement strategy to in-situ prepare a peanut-like N-doped, C-wrapped TiO2 electrode with an enhanced desalination capacity and rate for capacitive deionization
Mingxing Liang2, Xueting Bai1, Fei Yu1,*, and Jie Ma2,3,*
1 Shanghai Ocean University, China
2 Tongji University, China
3 Shanghai Institute of Pollution Control and Ecological Security, China
MXene-derived N-TiO2−x/C with peanut-like and small particle size (~ 25 nm) was prepared by confined growth. Nitrogen doping and protection of carbon wrapping are responsible for high desalination capacity and remarkable long-term cycling stability.
684–691
Probing interactions at two-dimensional heterointerfaces by boron nitride-wrapped tip
Baowen Li, Xiaofei Liu, and Wanlin Guo*
Nanjing University of Aeronautics and Astronautics, China
The interfacial interactions between boron nitride (BN)-BN, BN-molybdenum disulphide, and BN-graphite are investigated with BN-wrapped atomic force microscope (AFM) tip experimentally and density functional theory-based vdW2D method theoretically, meanwhile, the effect of electron radiation of the BN-wrapped tip on the interfacial interaction is further clarified.
692–698
Electrolyte-mediated dense integration of graphene-MXene films for high volumetric capacitance flexible supercapacitors
Min Zhang1, Jun Cao1,3,*, Yi Wang1, Jia Song2, Tianci Jiang1, Yanyu Zhang1, Weimeng Si1, Xiaowei Li1, Bo Meng1,*, and Guangwu Wen1
1 Shandong University of Technology, China
2 Tianjin University, China
3 Nankai University, China
A novel electrolyte-mediated method was used to integrate dense structure reduced graphene oxide/MXene (RGM)-H2SO4 film electrodes with continuous ion transport channels. Supercapacitors based on the electrodes showed stable electrochemical performance at bending states.
699–706
A mediator-free self-powered glucose biosensor based on a hybrid glucose/MnO2 enzymatic biofuel cell
Shuai Hao1,2, He Zhang1,2, Xiaoxuan Sun1,2, Junfeng Zhai1,*, and Shaojun Dong1,2,*
1 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
2 University of Science and Technology of China, China
A self-powered glucose biosensor with prominent detection performance was proposed thanks to the mediator-free strategy and high discharge potential of capacitive cathode.
707–714
Single crystalline CeO2 nanotubes
Fangxian Cao1, Mingkai Zhang1, Kaili Yang1, Zhimin Tian1, Jing Li2, and Yongquan Qu1,3,*
1 Xi’an Jiaotong University, China
2 Liaocheng University, China
3 Northwestern Polytechnical University, China
Single-crystalline CeO2 nanotubes were synthesized via a facile wet chemical method with the etching-dissolution-deposition mechanism.
715–719
Confinement and antenna effect for ultrasmall Y2O3:Eu3+ nanocrystals supported by MOF with enhanced near-UV light absorption thereby enhanced luminescence and excellently multifunctional applications
Hongyi Xu1, Wenjing Yu1, Kai Pan1, Guofeng Wang1,*, and Peifen Zhu2,*
1 Heilongjiang University, China
2 The University of Tulsa, USA
A novel host-guest luminous system composed of Y2O3:Eu3+/ (Eu/Y-BTC) is affected by the synergy of quantum confinement, spatial confinement and antenna effect, and the absorption of near-ultraviolet light increases. The absorption and emission of light are effectively enhanced, and it has shown important application value in the research field of white light-emitting diodes (LEDs) and dye-sensitized solar cells (DSSCs).
720–729
Boosted photoreduction of diluted CO2 through oxygen vacancy engineering in NiO nanoplatelets
Weiyi Chen, Xueming Liu, Bin Han, Shujie Liang, Hong Deng*, and Zhang Lin
South China University of Technology, China
Visible light drives the oxygen vacancy-laden NiO nanoplatelets to reduce diluted CO2 assisted by a Ru-based photosensitizer.
730–737
Spider web-like carbonized bacterial cellulose/MoSe2 nanocomposite with enhanced microwave attenuation performance and tunable absorption bands
Zhengjian Xu1,2, Man He1,*, Yuming Zhou1,*, Shuangxi Nie2, Yongjuan Wang1, Yao Huo1, Yifan Kang1, Ruili Wang1, Ran Xu1, Hao Peng1, and Xi Chen1
1 Southeast University, China
2 Guangxi University, China
The spider web-like carbonized bacterial cellulose/MoSe2 composite was fabricated by a facile process and economical raw materials, which has enhanced microwave attenuation performance and tunable absorption bands. The composite effectively solves the problems of impedance mismatch caused by pure bacterial cellulose and high filler content caused by pure MoSe2, offsetting respective shortcomings.
738–746
In-situ observations of novel single-atom thick 2D tin membranes embedded in graphene
Xiaoqin Yang1,2, Huy Q. Ta3, Wei Li2, Rafael G. Mendes3, Yu Liu2, Qitao Shi2, Sami Ullah2, Alicja Bachmatiuk3,4,5, Jinping Luo1, Lijun Liu1,*, Jin-Ho Choi2,*, and Mark H. Rummeli2,3,4,6,*
1 Xi’an Jiaotong University, China
2 Soochow University, China
3 Leibniz Institute for Solid State and Materials Research Dresden, Germany
4 Polish Academy of Sciences, Poland
5 Polish Center for Technology Development (PORT), Poland
6 VSB-Technical University of Ostrava, Czech Republic
This study explores the potential of Sn atoms to form two-dimensional (2D) freestanding single-atom-thick Sn patches in graphene pores. 2D membranes of three or more atoms adopted either a star-like or close-packed structural configuration.
747–753
Tunable oxygen vacancy concentration in vanadium oxide as mass-produced cathode for aqueous zinc-ion batteries
Yehong Du1, Xinyu Wang1,2,*, and Juncai Sun1,*
1 Dalian Maritime University, China
2 Nankai University, China
A simple spontaneous polymerization strategy was developed to fabricate mass-produced Vö-V2O5-PEDOT (VöVP, PEDOT = poly(2,3-dihydrothieno-1,4-dioxin)) cathodes with a tunable oxygen vacancy (Vö) concentration in vanadium oxide. The electrochemical performance of VöVP cathodes can directly be controllable by the concentration of Vö.
754–761
Macrophage-targeted single walled carbon nanotubes stimulate phagocytosis via pH-dependent drug release
Yapei Zhang1, Jianqin Ye2, Niloufar Hosseini-Nassab2, Alyssa Flores2, Irina Kalashnikova1, Sesha Lakshmi Paluri1, Mozhgan Lotfi2, Nicholas J. Leeper2,3,*, and Bryan Ronain Smith1,*
1 Michigan State University, USA
2 Stanford University School of Medicine, USA
3 Stanford Cardiovascular Institute, USA
Apoptotic cellular debris at the core of atherosclerotic plaques may produce inflammation and instability leading to heart attacks. We show here that single-walled carbon nanotubes (SWNTs), which display exquisite selectivity for inflammatory monocytes/ macrophages, can deliver a potent small molecule intracellular inhibitor highly selective for SHP1 via pH-dependent release to re-stimulate macrophage uptake of apoptotic cellular debris.
762–769
Hierarchical dual-porous hydroxyapatite doped dendritic mesoporous silica nanoparticles based scaffolds promote osteogenesis in vitro and in vivo
Chang Lei1, Yuxue Cao1, Sepanta Hosseinpour1, Fang Gao1, Jingyu Liu2, Jianye Fu1, Reuben Staples1, Saso Ivanovski1,*, and Chun Xu1,*
1 The University of Queensland, Australia
2 Queensland University of Technology (QUT), Australia
A simple method to prepare hydroxyapatite-dendritic mesoporous silica nanoparticles scaffolds with hierarchical micro and nano pores has been developed with enhanced osteogenic effects for bone repairing. This study provides new method to fabricate inorganic scaffolds with hierarchical pores for bone tissue engineering.
770–777
The associated killing of hepatoma cells using multilayer drugloaded mats combined with fast neutron therapy
Yanxin Qi1,2,3, Shiwei Jing4, Shasha He2, Hejian Xiong2, Guohua Yang5, Yubin Huang2,*, and Ningyi Jin1,3,*
1 Yanbian University, China
2 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
3 Institute of Military Veterinary Medicine, Academy of Military Medical Sciences, Academy of Military Sciences, China
4 Northeast Normal University, China
5 Changchun Medical College, China
A new therapeutic mechanism of synergistic chemotherapy based on multilayered drug-loaded mats and fast neutron therapy (FNT) in living mice bearing subcutaneous or orthotopic liver tumor model was developed.
778–787
De novo synthesis of bifunctional conjugated microporous polymers for synergistic coordination mediated uranium entrapment
Boxuan Yu1,2,3, Lei Zhang1,4, Gang Ye1,*, Qingzhi Liu4,5, Jiongli Li2,3, Xudong Wang2,3, Jing Chen1, Shengming Xu1,*, and Shengqian Ma4,†,*
1 Tsinghua University, China
2 Beijing Institute of Graphene Technology, China
3 Beijing Institute of Aeronautical Materials, China
4 University of South Florida, USA
5 Qingdao Agricultural University, China
† Present address: University of North Texas, USA
A novel class of bifunctional conjugated microporous polymers (CMPs) exhibit efficient uranium entrapment via synergistic-effect involved coordination.
788–796
LiYF4:Yb/LiYF4 and LiYF4:Yb,Er/LiYF4 core/shell nanocrystals with luminescence decay times similar to YLF laser crystals and the upconversion quantum yield of the Yb,Er doped nanocrystals
Frederike Carl1, Leonie Birk1, Bettina Grauel2, Monica Pons2, Christian Würth2, Ute Resch-Genger2,*, and Markus Haase1,*
1 University Osnabrueck, Germany
2 Federal Institute for Materials Research and Testing (BAM), Germany
Large single crystals of lanthanide-doped LiYF4 are well-known solid-state laser materials. A new method to grow a shell of LiYF4 allows the synthesis of ~ 40 nm LiYF4:Yb/LiYF4 and LiYF4:Yb,Er/ LiYF4 core/shell nanocrystals with luminescence decay times of the Yb3+ and Er3+ ions similar to those of the corresponding laser crystals. Core/shell particles doped with 18% Yb3+ and 2% Er3+ display upconversion luminescence (UCL) with an excitation power density (P)-dependent quantum yield of up to 1.25% at P of 180 W·cm−2.
797–806
Selective CO2 conversion tuned by periodicities in Au8n+4 (TBBT)4n+8 nanoclusters
Dan Yang1, Wei Pei2, Yuying Zhang1, Weigang Hu1, Xiao Cai1, Yongnan Sun1, Shuohao Li1, Xinglian Cheng1, Si Zhou2,*, Jijun Zhao2, Yan Zhu1, Weiping Ding1, and Xu Liu1,*
1 Nanjing University, China
2 Dalian University of Technology, China
Selective conversion of CO2 can be enabled by periodicities in the Au8n+4(TBBT)4n+8 (n = 3–6, TBBT = 4-tert-butyl-benzenethiolate) nanoclusters: Methanol, formic acid, ethanol, and ethanol can be respectively obtained on the Au28(TBBT)20, Au36(TBBT)24, Au44(TBBT)28, and Au52(TBBT)32.
807–813
Insights into the stable and fast lithium storage performance of oxygen-deficient LiV3O8 nanosheets
Huanqiao Song1,2,*, Feng Liu1, and Mingsheng Luo1,2,*
1 Beijing Institute of Petrochemical Technology, China
2 Beijing Key Laboratory of Clean Fuels and Efficient Catalytic Emission Reduction Technology, China
Four LiV3O8 (LVO) nanosheets with different V4+ and oxygen vacancy contents and positions were synthesized. Based on the analysis of the effects of V4+ and oxygen vacancies on the electrochemical properties of LVO, the reasons why oxygen-deficient LVO nanosheets as cathode material of lithium ion batteries have high stability and rate capability were proposed.
814–822
Visualization of the electronic phase separation in superconducting KxFe2–ySe2
Yujie Chen1, Juan Jiang2,3, Haifeng Yang4, Pavel Dudin5, Alexey Barinov6, Zhongkai Liu4,7, Haihu Wen8, Lexian Yang1,9,*, and Yulin Chen1,2,4,7,*
1 Tsinghua University, China
2 University of Oxford, UK
3 Advanced Light Source, Lawrence Berkeley National Laboratory, USA
4 ShanghaiTech University and CAS-Shanghai Science Research Center, China
5 Synchrotron SOLEIL, France
6 Elettra-Sincrotrone Trieste, Italy
7 ShanghaiTech Laboratory for Topological Physics, China
8 Nanjing University, China
9 Frontier Science Center for Quantum Information, China
High-resolution spatial-and angle-resolved photoemission spectroscopy (micro-ARPES) experiments reveal the intrinsic electronic structures of both superconducting and insulating phases in KxFe2–ySe2.
823–828
Heat dissipation in graphene foams
Yaniv Cohen, Siva K.Reddy, and Assaf Ya'akobovitz*
Ben-Gurion University of the Negev, Israel
We investigate the heat dissipation characteristics of graphene foam devices. While their convective areas are comparable to that of bulk materials, their coefficient of convection is several orders of magnitude higher than that of metals. In addition, due to negligible temperature-induced morphological changes, these devices exhibited reproducible thermal behavior.
829–833
Large valley-polarized state in single-layer NbX2 (X = S, Se): Theoretical prediction
Yanmei Zang, Yandong Ma*, Rui Peng, Hao Wang, Baibiao Huang, and Ying Dai*
Shandong University, China
Spontaneuos valley polarization ocurrs in experimentally synthesizable single-layer NbX2 (X = S, Se).
834–839
Rapid thin-layer WS2 detection based on monochromatic illumination photographs
Xiangmin Hu, Cuicui Qiu, and Dameng Liu*
Tsinghua University, China
After developing a layer-number identification method based on optical contrast study with monochromatic illumination, an image recognition algorithm was designed to detect thin-layer WS2 samples.
840–845
Self-targeting visualizable hyaluronate nanogel for synchronized intracellular release of doxorubicin and cisplatin in combating multidrug-resistant breast cancer
Wen Ma1, Qiling Chen1, Weiguo Xu2, Meng Yu1, Yuanyuan Yang1, Binhua Zou1, Yu Shrike Zhang3,*, Jianxun Ding2,*, and Zhiqiang Yu1,*
1 Southern Medical University, China
2 Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, China
3 Harvard Medical School, USA
A self-targeting hyaluronate nanogel (CDDPHANG/DOX) is developed to reverse drug resistance through the synchronizing pharmacokinetics, enhancing intratumoral accumulation, and intracellular release of topoisomerase II inhibitor doxorubicin (DOX) and DNA-crosslinking agent cisplatin (CDDP), which demonstrates improved antitumor efficacy towards drug-resistant MCF-7/ADR breast cancer along with the visualization of fluorescence imaging of DOX and micro-computed tomography (micro-CT) imaging of CDDP.
846–857
Large-area flexible nanostripe electrodes featuring plasmon hybridization engineering
Carlo Mennucci, Debasree Chowdhury, Giacomo Manzato, Matteo Barelli, Roberto Chittofrati, Christian Martella†, and Francesco Buatier de Mongeot*
Universita degli Studi di Genova, Italy
† Present address: CNR-IMM Unit of Agrate Brianza, Italy
We have achieved large area multifunctional flexible electrodes based on one-dimensional arrays of plasmonic monomer and dimer nanostripes. They are appealing for plasmon enhanced spectroscopies and photon harvesting in ultrathin devices featuring photoconversion.
858–867
Defects enriched hollow porous Co-N-doped carbons embedded with ultrafine CoFe/Co nanoparticles as bifunctional oxygen electrocatalyst for rechargeable flexible solid zinc-air batteries
Zhao Lei1, Yangyang Tan1, Zeyi Zhang1, Wei Wu1, Niancai Cheng1,*, Runzhe Chen1, Shichun Mu2,*, and Xueliang Sun3,*
1 Fuzhou University, China
2 Wuhan University of Technology, China
3 The University of Western Ontario, Canada
The defects enriched hollow porous Co-N-doped carbons embedded with ultrafine CoFe/Co nanoparticles (CoFe-Co@PNC) as highly active bifunctional oxygen electrocatalysts through annealing SiO2 coated ZIF-67 encapsulated Fe ions.
868–878
2-D/2-D heterostructured biomimetic enzyme by interfacial assembling Mn3(PO4)2 and MXene as a flexible platform for real-time sensitive sensing cell superoxide
Shen Fei Zhao1, Fang Xin Hu1, Zhuan Zhuan Shi1, Jing Jing Fu2, Yue Chen2, Fang Yin Dai2, Chun Xian Guo1,*, and Chang Ming Li1,2,3,*
1 Suzhou University of Science and Technology, China
2 Southwest University, China
3 Qingdao University, China
A flexible sensing platform is fabricated by synergistically assembling two-dimensional (2-D) Mn3(PO4)2 and MXene nanosheets into a heterostructure, of which the surface states promote adsorption and electrochemical oxidation of O2•−, realizing real-time sensitive monitoring of O2•− released in live cell assays.
879–886
Lateral epitaxial growth of two-dimensional heterostructure linked by gold adatoms
Nan Si1, Tao Shen1, Xinyi Liu1, Dechun Zhou1, Qingmin Ji1, Wei Liu1, Shuang Li1,*, and Tianchao Niu2,*
1 Nanjing University of Science and Technology, China
2 Shanghai Jiao Tong University, China
We report a lateral heterostructure with structurally and electronically abrupt interface comprising semiconducting F4TCNQ-Au and metallic BlueP-Au networks via bottom-up self-assembly on Au(111) surface.
887–892
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