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A biotechnological perspective on the application of iron oxide nanoparticles

Farnaz Assa1, Hoda Jafarizadeh-Malmiri1 (*), Hossein Ajamein2, Navideh Anarjan3, Hamideh Vaghari1, Zahra Sayyar1, and Aydin Berenjian4 (*)

1 Faculty of Chemical Engineering, Sahand University of Technology, Tabriz 5331811111, Iran
2 Department of Chemical Engineering, Ilkhchi Branch, Islamic Azad University, Ilkhchi 5358114418, Iran
3 Department of Chemical Engineering, Tabriz Branch, Islamic Azad University, Tabriz 5157944533, Iran
4 School of Engineering, Faculty of Science and Engineering, University of Waikato, Hamilton 3240, New Zealand

10.1007/s12274-016-1131-9

Nano Research 2016, 9(8): 2203每2225

Address correspondence to Hoda Jafarizadeh-Malmiri, h_jafarizadeh@sut.ac.ir, h_jafarizadeh@yahoo.com; Aydin Berenjian, aydin.berenjian@waikato.ac.nz

The unique properties of magnetic iron oxide nanoparticles make them promising nanomaterials for various biotechnological applications. In this perspective, the recent developments in studying their properties, synthesis methods, and different applications will be highlighted.

    

Fully enclosed hybrid electromagnetic每triboelectric nanogenerator to scavenge vibrational energy

Ting Quan and Ya Yang (*)

Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences; National Center for Nanoscience and Technology, Beijing 100083, China

10.1007/s12274-016-1109-7

Nano Research 2016, 9(8): 2226每2233

Address correspondence to yayang@binn.cas.cn

A fully enclosed hybrid electromagnetic每triboelectric nanogenerator has been designed to scavenge vibrational energy, thus solving the power source issues of some environmental sensors. Using a 200 米F capacitor, a temperature每humidity sensor can be sustainably powered without an external power source, by harvesting the vibrational energy produced by human hands.

    

Metal每organic framework derived CoSe2 nanoparticles anchored on carbon fibers as bifunctional electrocatalysts for efficient overall water splitting

Chencheng Sun1, Qiuchun Dong1, Jun Yang1, Ziyang Dai1, Jianjian Lin1, Peng Chen2 (*), Wei Huang1 (*), and Xiaochen Dong1 (*)

1 Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, China
2 School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, 637459 Singapore, Singapore

DOI 10.1007/s12274-016-1110-1

Nano Research 2016, 9(8): 2234每2243

Address correspondence to Wei Huang, iamdirector@fudan.edu.cn; Peng Chen, chenpeng@ntu.edu.sg; Xiaochen Dong, iamxcdong@njtech.edu.cn

A facile route was developed for the direct synthesis of CoSe2 nanoparticles on carbon fiber paper using a metal每organic framework as the precursor. The obtained electrode can serve as both the anode and cathode for efficient overall water splitting because of the bifunctional catalytic activity of CoSe2 nanoparticles in the hydrogen and oxygen evolution reactions.

    

Free-standing palladium-nickel alloy wavy nanosheets

Weng-Chon Cheong, Chuhao Liu, Menglei Jiang, Haohong Duan, Dingsheng Wang, Chen Chen (*), and Yadong Li (*)

Department of Chemistry and Collaborative Innovation Center for Nanomaterials Science and Engineering, Tsinghua University, Beijing 100084, China

10.1007/s12274-016-1111-0

Nano Research 2016, 9(8): 2244每2250

Address correspondence to Chen Chen, cchen@mail.tsinghua.edu.cn; Yadong Li, ydli@mail.tsinghua.edu.cn

Free-standing PdNi alloy wavy nanosheets were synthesized using an enhanced CO-confinement strategy. This strategy was also effective in the synthesis of PdCu, PdFe, and PdFeNi alloy wavy nanosheets.

    

Ternary NiCoP nanosheet arrays: An excellent bifunctional catalyst for alkaline overall water splitting

Yingjie Li1, Haichuan Zhang1, Ming Jiang1, Yun Kuang1 (*), Xiaoming Sun1,2 (*), and Xue Duan1

1 State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
2 Institute for New Energy Materials & Low-Carbon Technologies, Tianjin University of Technology, Tianjin 300384, China

 

10.1007/s12274-016-1112-z

Nano Research 2016, 9(8): 2251每2259

Address correspondence to Yun Kuang, kuangyun@mail.buct.edu.cn; Xiaoming Sun, sunxm@mail.buct.edu.cn

Ternary NiCoP nanosheet arrays with ultrahigh electrocatalyticac tivity for overall water splitting and an extremely small potential(~1.77 V) for driving a current density of 50 mA/cm2 were prepared on Ni foam via a solvothermal synthesis followed by phosphorization.

    

Vertical 汐-FeOOH nanowires grown on the carbon fiber paper as a free-standing electrode for sensitive H2O2 detection

Shichao Du1, Zhiyu Ren2 (*), Jun Wu2, Wang Xi2, and Honggang Fu1,2 (*)

1 Institute of Theoretical chemistry, JiLin University, ChangChun 130023, China
2 Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education of the People's Republic of China, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China

10.1007/s12274-016-1113-y

Nano Research 2016, 9(8): 2260每2269

Address correspondence to Zhiyu Ren, zyren@hlju.edu.cn; Honggang Fu, fuhg@vip.sina.com

Vertical 汐-FeOOH nanowires were successfully grown on the surface of carbon fiber paper via a simple hydrothermal reaction at low temperature. Owing to the highly oriented channels for fast charge transfer, the excellent electrical contact between the electrocatalyst and the current collector, and the good mechanical stability and reproducibility, this free-standing electrode with the portability in the geometric tailor and easy device fabrication serves as an efficient electrocatalyst for the reduction and sensitive detection of H2O2.

    

Thermally removable in-situ formed ZnO template for synthesis of hierarchically porous N-doped carbon nanofibers for enhanced electrocatalysis

Shuguang Wang, Zhentao Cui, Jinwen Qin, and Minhua Cao (*)

Key Laboratory of Cluster Science, Ministry of Education of China, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Department of Chemistry, Beijing Institute of Technology, Beijing 100081, China

10.1007/s12274-016-1114-x

Nano Research 2016, 9(8): 2270每2283

Address correspondence to caomh@bit.edu.cn

In the present work, a novel strategy using a thermally removable template was developed to synthesize hierarchically porous N-doped carbon nanofibers (HP-NCNFs) by employing a simple electrospinning technology coupled with subsequent pyrolysis. The obtained HP-NCNFs exhibited greatly enhanced catalytic performance and improved kinetics for the oxygen reduction reaction (ORR) in alkaline media.

    

Ultrathin Co(Ni)-doped MoS2 nanosheets as catalytic promoters enabling efficient solar hydrogen production

Xiaoyan Ma1, Jinquan Li1, Changhua An1 (*), Juan Feng1, Yuhua Chi1, Junxue Liu1, Jun Zhang1 (*), and Yugang Sun2 (*)

1 State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, and College of Science, China University of Petroleum, Qingdao 266580, China
2 Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA

10.1007/s12274-016-1115-9

Nano Research 2016, 9(8): 2284每2293

Address correspondence to Changhua An, anchh@upc.edu.cn; Yugang Sun, ygsun@temple.edu; Jun Zhang, zhangj@upc.edu.cn

Ultrathin Co(Ni)-doped MoS2 nanosheets (co-catalyst promoter)intimately grown on semiconductor CdS nanorods (light absorber)exhibited very high photocatalytic activity (quantum yield = 17.3%)and stability toward H2 evolution in the photoreduction of water.Theoretical calculations revealed that Ni doping can increase the number of uncoordinated atoms at the edge sites of MoS2 nanosheets to promote electron transfer across the CdS/MoS2 interfaces and hydrogen reduction, leading to an efficient H2 evolution reaction.

    

Size control of SBA-15 by tuning the stirring speed for the formation of CMK-3 with distinct adsorption performance

Qi Wang, Zhencai Wang, Tianhao Zheng, Xiongping Zhou, Wei Chen (*), Dekun Ma, Yun Yang, and Shaoming Huang (*)

Key Laboratory of Carbon Materials of Zhejiang Province, College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325027, China

10.1007/s12274-016-1116-8

Nano Research 2016, 9(8): 2294每2302

Address correspondence to Wei Chen, wchen@wzu.edu.cn; Shaoming Huang, smhuang@wzu.edu.cn

Size control of SBA-15 was readily and successfully achieved by simply tuning the stirring speed, which resulted in CMK-3 with different adsorption performances.

    

Surface-enhanced Raman scattering inside Au@Ag core/shell nanorods

Boris Khlebtsov1,2 (*), Vitaly Khanadeev1,2, and Nikolai Khlebtsov1,2 (*)

1 Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov 410049, Russia
2 Saratov National Research State University, Saratov 410012, Russia

10.1007/s12274-016-1117-7

Nano Research 2016, 9(8): 2303每2318

Address correspondence to Boris N. Khlebtsov, khlebtsov_b@ibppm.ru; Nikolai G. Khlebtsov, khlebtsov@ibppm.ru

Raman-active molecules were embedded inside Au@Ag nanocuboids with finely tunable geometrical and optical properties.The surface-enhanced Raman scattering (SERS) of the embedded molecules showed an enhancement factor (EF) that was about an order of magnitude higher than that observed for the molecules adsorbed on the nanoparticle surface.

    

Toward negligible charge loss in charge injection memories based on vertically integrated 2D heterostructures

Dongri Qiu1, Dong Uk Lee2, Kyoung Su Lee1, Sang Woo Pak1, and Eun Kyu Kim1 (*)

1 Quantum-Function Research Laboratory and Department of Physics, Hanyang University, Seoul 04763, Republic of Korea
2 NAND Development Division, NAND Product Engineering Group, SK Hynix, Icheon 17336, Republic of Korea

10.1007/s12274-016-1118-6

Nano Research 2016, 9(8): 2319每2326

Address correspondence to ek-kim@hanyang.ac.kr

Semiconducting WS2-based non-volatile memory devices are realized by assembling multi-layered graphene and hexagonal boron nitride into the van der Waals (vdW) heterostructure with an atomically sharp interface.

    

Relief from vascular occlusion using photothermal ablation of thrombus with a multimodal perspective

Nitesh Singh1,∫, Anand Varma1,∫, Ashish Verma2, Babu N. Maurya2, and Debabrata Dash1 (*)

1 Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
2 Department of Radiodiagnosis and Imaging, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India
These authors contributed equally to this work.

10.1007/s12274-016-1119-5

Nano Research 2016, 9(8): 2327每2337

Address correspondence to ddash.biochem@gmail.com

Targeted photothermal therapy, when synergized with chemotherapy/thrombolytics at sub-therapeutic doses, exhibits great potential for the lysis of pathological clots with effective minimization of thelife-threatening side effects and off-target adverse complicationsas sociated with existing therapy. This introduces the possibility of smart and safe multimodal thrombolytic regimen in the future.

    

Pt/Y2O3: Eu3+ composite nanotubes: Enhanced photoluminescence and application in dye-sensitized solar cells

Mingqi Yu1, Jiamin Su1, Guofeng Wang1 (*), and Yadong Li2

1 Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, School of Chemistry and Materials Science, Heilongjiang University, Harbin 150080, China
2 Department of Chemistry, Tsinghua University, Beijing 100084, China

 

10.1007/s12274-016-1120-z

Nano Research 2016, 9(8): 2338每2346

Address correspondence to wanggf_w@163.com

Enhanced luminescent Pt/Y2O3:Eu3+ composite nanotubes were successfully synthesized using a vacuum extraction method, and these nanotubes have the ability to improve the efficiency of solar cells. The electron transport and interfacial recombination kinetics were investigated using electrochemical impedance spectroscopy and intensity-modulated photocurrent/photovoltage spectroscopy.

    

Engineering magnetic nanostructures with inverse hysteresis loops

Beatriz Mora1, Nastassia Soriano1, Carolina Redondo1, Alberto Arteche1, David Navas2, and Rafael Morales3,4 (*)

1 Dpto. de Qu赤mica-F赤sica, Universidad del Pa赤s Vasco UPV/EHU, 48940 Leioa, Spai
2 IFIMUP-IN and Dept. Fisica e Astronomia, Universidade do Porto, 4169007 Porto, Portugal
3 Dpto. de Qu赤mica-F赤sica & BCMaterials, Universidad del Pa赤s Vasco UPV/EHU, 48940 Leioa, Spain
4 IKERBASQUE, Basque Foundation for Science, 48011 Bilbao, Spain

 

10.1007/s12274-016-1121-y

Nano Research 2016, 9(8): 2347每2353

Address correspondence to rafael.morales@ehu.es

Shallow patterned ferromagnetic thin films yield inverse magnetization curves.

    

Ultrathin planar broadband absorber through effective medium design

Dong Liu1,2, Haitong Yu2, Zhen Yang2, and Yuanyuan Duan2 (*)

1 School of Energy and Power Engineering, Nanjing University of Science & Technology, Nanjing 210094, China
2 Key Laboratory of Thermal Science and Power Engineering of Ministry of Education, Key Laboratory for CO2 Utilization and Reduction Technology, Tsinghua University, Beijing 100084, China

10.1007/s12274-016-1122-x

Nano Research 2016, 9(8): 2354每2363

Address correspondence to yyduan@tsinghua.edu.cn

This paper presents a general strategy of effective medium design to achieve high absorption in a 15-nm-thick (1/50 of the centerwavelength) planar film combining two absorbing materials over abroad spectrum covering the visible and near-infrared spectral regions.This ultrathin planar broadband absorber can reduce the material,fabrication, and system cost for solar thermal applications.

    

Bestow metal foams with nanostructured surfaces via a convenient electrochemical method for improved device performance

Yawen Zhan1,2, Shanshan Zeng1,2, Haidong Bian1,2,3, Zhe Li1,2, Zhengtao Xu3, Jian Lu4,5 (*), and Yang Yang Li1,2,6 (*)

1 Center of Super-Diamond and Advanced Films (COSDAF), City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
2 Department of Physics and Materials Science, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
3 Department of Chemistry and Biology, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
4 Department of Mechanical and Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China
5 Centre for Advanced Structural Materials, City University of Hong Kong Shenzhen Research Institute, 8 Yuexing 1st Road, Shenzhen Hi-Tech Industrial Park, Nanshan District, Shenzhen 518000, China
6 City University of Hong Kong Shenzhen Research Institute, 8 Yuexing 1st Road, Shenzhen Hi-Tech Industrial Park, Nanshan District, Shenzhen 518000, China

10.1007/s12274-016-1123-9

Nano Research 2016, 9(8): 2364每2371

Address correspondence to Jian Liu, jianlu@cityu.edu.hk; Yang Yang Li, yangli@cityu.edu.hk

High-surface-area Cu foams are fabricated in a one-pot one-step manner by repetitive electrodeposition and dealloying treatments. The resulting Cu foams exhibit greatly improved performance in different applications, such as in use as surface enhanced Raman spectroscopy (SERS) substrates and three-dimensional (3-D) bulk supercapacitor electrodes.

    

Thermal conduction across the one-dimensional interface between a MoS2 monolayer and metal electrode

Xiangjun Liu, Gang Zhang (*), and Yong-Wei Zhang

Institute of High Performance Computing, A*STAR, Singapore 138632, Singapore

10.1007/s12274-016-1124-8

Nano Research 2016, 9(8): 2372每2383

Address correspondence to zhangg@ihpc.a-star.edu.sg

The covalent bonds formed at the MoS2-Au interface enableinterfacial thermal conductance that is comparable to that of agraphene每metal interface.

    

Using a 3-D multicellular simulation of spinal cord injurywith live cell imaging to study the neural immune barrierto nanoparticle uptake

Alan P. Weightman, Stuart I. Jenkins, and Divya M. Chari (*)

Cellular and Neural Engineering Group, Institute for Science and Technology in Medicine, Huxley Building, Keele University, Keele, ST55BG, UK
These authors contributed equally to this work.

 

10.1007/s12274-016-1125-7

Nano Research 2016, 9(8): 2384每2397

Address correspondence to d.chari@keele.ac.uk

A "dish" model of spinal cord injury has been used to demonstratethe clearance of nanoparticles by neural immune cells in real time.This model shows high utility for evaluating novel nanoparticlesand their handling by nervous system cells.

    

Ferritin surplus in mouse spleen 14 months after intravenous injection of iron oxide nanoparticles at clinical dose

Alexandre Tamion1 (*), Matthias Hillenkamp1 (*), Arnaud Hillion1,†, Valentin A. Maraloiu2, Ioana D. Vlaicu2, Mariana Stefan2, Daniela Ghica2, Hugo Rositi3, Fabien Chauveau4, Marie-Genevi豕ve Blanchin1, Marl豕ne Wiart3, and V谷ronique Dupuis1

1 Institut Lumi豕re Mati豕re, UMR5306 Universit谷 Lyon 1- CNRS, Universit谷 de Lyon, 69622 Villeurbanne cedex, France
2 National Institute of Materials Physics, 105bis Atomistilor St., R-077125 Bucharest-Magurele, Romania
3 CNRS, UMR 5220, INSERM, U1044, INSA de Lyon, Universit谷 de Lyon, Lyon 1, CREATIS, 69003 Lyon, France
4 CRNL-BIORAN, CNRS UMR5292, INSERM U1028, Universit谷 Lyon 1, 59 BD PINEL, 69677, Bron, France
Present address: Institut Jean Lamour, UMR 7198 每 Universit谷 de Lorraine, Parc de Saurupt, F-54011 Nancy, France

 

10.1007/s12274-016-1126-6

Nano Research 2016, 9(8): 2398每2410

Address correspondence to Alexandre Tamion, alexandre.tamion@univ-lyon1.fr; Matthias Hillenkamp, matthias.hillenkamp@univ-lyon1.fr

Magnetometry, electron microscopy, and electron paramagneticresonance were used in combination to analyze the biodegradationof iron oxide nanoparticles used as contrast agents and intravenouslyinjected in mice. The quantitative decrease in nanoparticle concentrationin the liver and spleen was followed and an unexpectedsurplus of magnetic signal attributed to ferritin was observed atmore than one year after injection.

    

Platinum-coordinated graphitic carbon nitride nanosheet used for targeted inhibition of amyloid 汕-peptideaggregation

Meng Li1,2, Yijia Guan1,2, Zhaowei Chen1,2, Nan Gao1, Jinsong Ren1, Kai Dong1,2, and Xiaogang Qu1 (*)

1 Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2 University of Chinese Academy of Sciences, Beijing 100039, China

 

10.1007/s12274-016-1127-5

Nano Research 2016, 9(8): 2411每2423

Address correspondence to xqu@ciac.ac.cn

Herein, we present a novel platinum(II)-coordinated graphiticcarbon nitride nanosheet (g-C3N4@Pt) that has been designed tocovalently bind to amyloid 汕-peptide (A汕) and modulate peptideaggregation and toxicity. Furthermore, due to their photocatalytic activity, g-C3N4@Pt nanosheets can oxygenate A汕 upon visible lightirradiation, remarkably attenuating the aggregation potency andneurotoxicity of A汕. This work may serve as an example of efficientengineering of novel multifunctional nanomaterials for the treatmentof Alzheimer*s disease.

    

Prolonging the plasma circulation of proteins by nano-encapsulation with phosphorylcholine-based polymer

Linlin Zhang1,∫,Yang Liu2,5,∫, Gan Liu3,∫, Duo Xu2, Sheng Liang3, Xinyuan Zhu4 (*), Yunfeng Lu2 (*), and Hui Wang1 (*)

1 Department of Nuclear Medicine, Xinhua Hospital Affiliated to Shanghai Jiao Tong University, Shanghai Jiao Tong University, Shanghai 200092, China
2 Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, California 90095, USA
3 The Shenzhen Key Laboratory of Gene and Antibody Therapy, Center for Biotechnology and Biomedicine and Division of Life and Health Sciences, Tsinghua University, Shenzhen 518055, China
4 School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
5 Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Nankai University, Tianjin 300071, China
These authors contributed equally to this work.

10.1007/s12274-016-1128-4

Nano Research 2016, 9(8): 2424每2432

Address correspondence to Xinyuan Zhu, xyzhu@sjtu.edu.cn; Yunfeng Lu, luucla@ucla.edu; Hui Wang, wanghuishanghai@hotmail.com

Short in vivo circulation is a major hindrance to the broaderadoption of protein therapeutics. Encapsulation of proteins with athin layer of phosphorylcholine-based polymer significantly prolongedthe plasma half-life of the resulting protein nanocapsules withoutcompromising the biological activity of the encapsulated proteins.Furthermore, by constructing nanocapsules with similar sizes butdifferent surface charges and chemistry, we demonstrated a genericstrategy for prolonging the plasma half-life of therapeutic proteins.

    

The influence of nanotopography on organelle organization and communication

Wen Song1,∫, Mengqi Shi1,∫, Bei Chang1, Mingdong Dong2 (*), and Yumei Zhang1 (*)

1 State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Oral Diseases, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi*an 710032, China
2 Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Aarhus 8000, Denmark
These author contributed equally to this work.

10.1007/s12274-016-1129-3

Nano Research 2016, 9(8): 2433每2444

Address correspondence to Mingdong Dong, dong@inano.au.dk; Yumei Zhang, wqtzym@fmmu.edu.cn

Intracellular trafficking is slowed down by coming in contact withnanotopography, resulting in endoplasmic reticulum (ER) dilationand ER stress. The unfolded protein response (UPR) is then activatedand engages in crosstalk with cell differentiation pathways.

    

Interface-modulated approach toward multilevel metal oxide nanotubes for lithium-ion batteries and oxygen reduction reaction

Jiashen Meng1,∫, Chaojiang Niu1,∫, Xiong Liu1, Ziang Liu1, Hongliang Chen2, Xuanpeng Wang1, Jiantao Li1, Wei Chen1, Xuefeng Guo2 (*), and Liqiang Mai1 (*)

1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2 Center for Nanochemistry, Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
These authors contributed equally to this work.

 

10.1007/s12274-016-1130-x

Nano Research 2016, 9(8): 2445每2457

Address correspondence to Liqiang Mai, mlq518@whut.edu.cn; Xuefeng Guo, guoxf@pku.edu.cn

A general interface-modulated method is developed for the synthesisof multilevel metal oxide nanotubes with tunable interior structuresthrough electrospinning followed by controlled heat treatment. Thisgeneral strategy marks a milestone in the design and synthesis of complex multilevel nanotubes and shows great potential for many frontier fields.

    

Holey graphene hydrogel with in-plane pores for high-performance capacitive desalination

Weiqing Kong1, Xidong Duan1, Yongjie Ge1, Hongtao Liu2, Jiawen Hu1 (*), and Xiangfeng Duan1,3 (*)

1 State Key Laboratory for Chemo/Biosensing and Chemometrics Department of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
2 College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
3 Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095, USA

10.1007/s12274-016-1132-8

Nano Research 2016, 9(8): 2458每2466

Address correspondence to Jiawen Hu, jwhu@hnu.edu.cn; Xiangfeng Duan, xduan@chem.ucla.edu

Capacitive desalination is a promising desalination technique. This study reports the design and construction of three-dimensional (3D)holey graphene hydrogels (HGH) with abundant in-plane poresthat can be used as efficient electrode materials for the effectiveremoval of salt from brackish water.

    

General synthesis of sponge-like ultrafine nanoporous metals by dealloying in citric acid

Hongjie Xu, Shujie Pang, Yu Jin, and Tao Zhang (*)

School of Materials Science and Engineering, Beihang University, Beijing 100191, China

 

10.1007/s12274-016-1133-7

Nano Research 2016, 9(8): 2467每2477

Address correspondence to zhangtao@buaa.edu.cn

A general strategy is proposed to synthesize novel sponge-like nanoporous metals by dealloying metallic glasses in citric acid.The citric acid plays a key role due to its capping effect, reducingthe surface diffusion of metals. The mechanism of nanoporosity evolution during dealloying is illustrated.

    

Highly selective sorting of semiconducting single wall carbon nanotubes exhibiting light emission at telecom wavelengths

Francesco Sarti1, Francesco Biccari1, Federica Fioravanti1, Ughetta Torrini1, Anna Vinattieri1, Vincent Derycke2, Massimo Gurioli1, and Arianna Filoramo2 (*)

1 Department of Physics and LENS, University of Florence, Via Sansone 1, 50019 Sesto Fiorentino, Italy
2 LICSEN, NIMBE, CEA, CNRS, University Paris-Saclay, CEA Saclay, 91191 Gif sur Yvette CEDEX, France

10.1007/s12274-016-1134-6

Nano Research 2016, 9(8): 2478每2486

Address correspondence to arianna.filoramo@cea.fr

Pure and high quality semiconducting single wall carbon nanotubes(SWNTs) exhibiting a fundamental optical transition centered at 1,550 nm are sorted by selective polymer wrapping. Residualmetallic single wall carbon nanotube species are found to be absentby performing optical and electrical measurements. The recordedperformances highlight the importance of each process step.

    

A positively charged silver nanowire membrane for rapid on-site swabbing extraction and detection of trace inorganic explosives using a portable Raman spectrometer

Yu-e Shi, Wenshou Wang, and Jinhua Zhan (*)

National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Department of Chemistry, Shandong University, Jinan 250100, China

 

10.1007/s12274-016-1135-5

Nano Research 2016, 9(8): 2487每2497

Address correspondence to jhzhan@sdu.edu.cn

A positively charged diethyldithiocarbamate-modified Ag nanowiremembrane was developed for rapid on-site swabbing extractionand sensitive surface-enhanced Raman spectroscopy (SERS) detectionof typical oxidizers including ClO4-, ClO3-, and NO3- to identifyinorganic explosives.

    

N-doped graphene grown on silk cocoon-derived interconnected carbon fibers for oxygen reduction reaction and photocatalytic hydrogen production

Yongpeng Lei1 (*), Qi Shi2,4, Cheng Han2, Bing Wang2, Nan Wu2, Hong Wang2, and Yingde Wang2,3 (*)

1 College of Basic Education, National University of Defense Technology, Changsha 410073, China
2 Science and Technology on Advanced Ceramic Fiber and Composites Laboratory, National University of Defense Technology, Changsha 410073, China
3 College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430074, China
4 Luoyang Ship Material Research Institute, Luoyang 471039, China

 

10.1007/s12274-016-1136-4

Nano Research 2016, 9(8): 2498每2509

Address correspondence to Yongpeng Lei, lypkd@163.com; Yingde Wang, wangyingde@nudt.edu.cn, wyd502@163.com

N-doped graphene (NG) was in situ grown on three-dimensional(3D) interconnected meso-/macroporous carbon fibers (SCCf)derived from silk cocoon using a simple one-step thermal treatment.The product (NG-SCCf) shows excellent activity in the oxygen reduction reaction and photocatalytic H2 production.

    

Improved conductivity and capacitance of interdigital carbon microelectrodes through integration with carbon nanotubes for micro-supercapacitors

Yanjuan Yang1, Liang He1 (*), Chunjuan Tang1,2, Ping Hu1, Xufeng Hong1, Mengyu Yan1, Yixiao Dong1, Xiaocong Tian1, Qiulong Wei1, and Liqiang Mai1 (*)

1 State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
2 Department of Mathematics and Physics, Luoyang Institute of Science and Technology, Luoyang 471023, China

 

10.1007/s12274-016-1137-3

Nano Research 2016, 9(8): 2510每2519

Address correspondence to Liqiang Mai, mlq518@whut.edu.cn; Liang He, hel@whut.edu.cn

Optimized photolithography and pyrolysis are developed tofabricate carbon/chitosan-coated carbon nanotube (CHIT-CNT)microelectrodes-based micro-supercapacitor. The fabricated microsupercapacitorshows an excellent electrochemical performancewith ultrahigh specific capacitance (6.09 mF﹞cm每2 at a scan rateof 10 mV﹞s每1) and cyclability (99.9% capacitance retention after10,000 cyclic voltammetry cycles at a scan rate of 1 V﹞s每1).

    

Fabrication of ultrathin Zn(OH)2 nanosheets as drug carriers

Ren Cai1, Dan Yang3, Jin Wu3, Liqin Zhang1, Cuichen Wu1, Xigao Chen1, Yanyue Wang1, Shuo Wan1, Fengwei Hou3, Qingyu Yan3, and Weihong Tan1,2 (*)

1 Department of Chemistry and Department of Physiology and Functional Genomics, Center for Research at the Bio/Nano Interface, Shands Cancer Center, UF Genetics Institute, McKnight Brain Institute, University of Florida, Gainesville, FL 32611-7200, USA
2 Molecular Sciences and Biomedicine Laboratory, State Key Laboratory for Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering and College of Biology, Collaborative Innovation Center for Molecular Engineering and Theranostics, Hunan University, Changsha 410082, China
3 School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore

10.1007/s12274-016-1138-2

Nano Research 2016, 9(8): 2520每2530

Address correspondence to tan@chem.ufl.edu

Ultrathin two-dimensional (2D) porous Zn(OH)2 nanosheets (PNs)(thickness ~3.8 nm) were fabricated by means of one-dimensionalCu nanowires as backbones. To form "smart" porous nanosheets,DNA aptamers were covalently conjugated to the surface of PNs.These ultrathin nanosheets show good biocompatibility, efficientcellular uptake, and promising pH-stimulated drug release.

    

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