List of Issues |  6 , 2014   |  Previous Issue  |  Next Issue

       
Below >>

Presentation matters: Identity of gold nanocluster capping agent governs intracellular uptake and cell metabolism

Chor Yong Tay1, Yong Yu1, Magdiel Inggrid Setyawati1, Jianping Xie1, and David Tai Leong1,2 (*)

1 Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore 117585, Singapore
2 NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, 28 Medical Drive, Singapore 117456, Singapore

DOI 10.1007/s12274-014-0441-z

Nano Research 2014, 7(6): 805每815

Address correspondence to cheltwd@nus.edu.sg

Mercaptopropionic acid (MPA) capped Au nanoclusters displayed higher cellular internalization compared to glutathione (GSH) capped Au nanoclusters and resulted in significantly higher intracellular reactive oxygen species level with increasing surface bound MPA ligands. The altered redox signaling resulted in augmented cell metabolism and proliferation.

    

Absorption of light in InP nanowire arrays

Nicklas Anttu1,∫ (*), Alireza Abrand1,2,∫, Damir Asoli2, Magnus Heurlin1, Ingvar Åberg2, Lars Samuelson1, and Magnus Borgström1

1 Division of Solid State Physics and the Nanometer Structure Consortium at Lund University (nmC@LU), Lund University, Box 118, Lund 22100, Sweden
2 Sol Voltaics AB, Ideon Science Park, Scheelevägen 17, Lund 22370, Sweden
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0442-y

Nano Research 2014, 7(6): 816每823

Address correspondence to nicklas.anttu@ftf.lth.se

InP nanowires are shown to absorb 94% of the incident light while covering only 10% of the underlying surface

    

Closely packed nanoparticle monolayer as a strain gauge fabricated by convective assembly at a confined angle

Chao Zhang1, Juan Li1, Shanshan Yang1, Weihong Jiao1, Shuang Xiao1, Mingqing Zou1, Songliu Yuan1, Fei Xiao2, Shuai Wang2 (*),

and Lihua Qian1 (*)

1 School of Physics, Huazhong University of Science and Technology, Wuhan, 430074, China
2 School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China

DOI 10.1007/s12274-014-0443-x

Nano Research 2014, 7(6): 824每834

Address correspondence to L. H. Qian, lhqian@hust.edu.cn; S. Wang, chmsamuel@hust.edu.cn

The assembly of a nanoparticle monolayer with a close-packed pattern can be switched on and off by independently varying the contact angle across a threshold value of 4.2∼.

    

Single step fabrication of N-doped graphene/Si3N4/SiC heterostructures

Emilio V谷lez-Fort1,2, Emiliano Pallecchi1, Mathieu G. Silly3, Mounib Bahri1, Gilles Patriarche1, Abhay Shukla2, Fausto Sirotti3,

and Abdelkarim Ouerghi1 (*)

 

1 CNRS-Laboratoire de Photonique et de Nanostructures (LPN), Route de Nozay, Marcoussis 91460, France
2 Universit谷 Pierre et Marie Curie (CNRS 每 IMPMC), 4 Pl. Jussieu, Paris 75005, France
3 Synchrotron-SOLEIL, Saint-Aubin, BP48, F91192 Gif sur Yvette Cedex, France

DOI 10.1007/s12274-014-0444-9

Nano Research 2014, 7(6): 835每843

Address correspondence to abdelkarim. ouerghi@lpn.cnrs.fr

A general route has been developed for the direct synthesis of N-doped bilayer graphene on Si3N4/SiC substrates. Using a nitrogen atmosphere during the growth, the formation of a graphene/Si3N4 heterostructure is possible in a one-step process.

    

Inhibitory activity of gold and silica nanospheres to vascular endothelial growth factor (VEGF)-mediated angiogenesis is determined by their sizes

Dong Hyun Jo1,2, Jin Hyoung Kim1, Jin Gyeong Son3,4, Yuanze Piao5, Tae Geol Lee3 (*), and Jeong Hun Kim1,2,6 (*)

1 Fight against Angiogenesis-Related Blindness (FARB) Laboratory, Clinical Research Institute, Seoul National University, Seoul, 110-744, Republic of Korea
2 Department of Biomedical Sciences, College of Medicine, Seoul National University, Seoul, 110-799, Republic of Korea
3 Center for Nano-Bio Convergence, World Class Laboratory, Korea Research Institute of Standards and Science, Daejeon, 305-340, Republic of Korea
4 Department of Chemistry and KI for the NanoCentury, KAIST, Daejeon, 305-701, Republic of Korea
5 Graduate School of Convergence Science and Technology, Seoul National University, Seoul 151-742 & Advanced Institutes of Convergence Technology, Suwon 443-270, Republic of Korea
6 Department of Ophthalmology, College of Medicine, Seoul National University, Seoul, 110-744, Republic of Korea

DOI 10.1007/s12274-014-0445-8

Nano Research 2014, 7(6): 844每852

Address correspondence to T. G. Lee, tglee@kriss.re.kr; J. H. Kim, steph25@snu.ac.kr

The size of gold and silica nanospheres determines their inhibitory effects on vascular endothelial growth factor (VEGF)-mediated angiogenesis. In this study, 20 nm size gold and silica nanospheres suppress VEGF-induced activation of VEGF receptor-2, in vitro angiogenesis, and in vivo pathological angiogenesis more efficiently than their 100 nm size counterparts.

    

Plasma-assisted fabrication of monolayer phosphorene and its Raman characterization

Wanglin Lu1,∫, Haiyan Nan2,∫, Jinhua Hong1 , Yuming Chen2, Chen Zhu1, Zheng Liang3, Xiangyang Ma1, Zhenhua Ni2 (*), Chuanhong Jin1 (*), and Ze Zhang1

 

1 State Key Laboratory of Silicon Materials, Key Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Province, Department of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
2 Department of Physics, Southeast University, Nanjing 211189, China
3 Graphene Research and Characterization Center, Taizhou Sunano New Energy Co., Ltd. Taizhou 225300, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0446-7

Nano Research 2014, 7(6): 853每859

Address correspondence to Zhenhua Ni, zhni@seu.edu.cn; Chuanhong Jin, chhjin@zju.edu.cn

Single- and multilayer phosphorene have been prepared by mechanical exfoliation followed by plasma thinning. Optical contrast spectra combined with atomic force microscopy is used to identify the thickness. The thickness-dependent Raman spectra are also presented.

    

Enhanced photoresponse of Cu2O/ZnO heterojunction with piezo-modulated interface engineering

Pei Lin1,∫, Xiang Chen1,∫, Xiaoqin Yan1, Zheng Zhang1, Haoge Yuan1, Peifeng Li1, Yanguang Zhao1, and Yue Zhang1,2 (*)

1 State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
2 Key Laboratory of New Energy Materials and Technologies, University of Science and Technology Beijing, Beijing 100083, China
These two authors contributed equally to this work.

DOI 10.1007/s12274-014-0447-6

Nano Research 2014, 7(6): 860每868

Address correspondence to yuezhang@ustb.edu.cn

Piezo-modulated interface engineering to enhance the photoresponse of all-oxide Cu2O/ZnO heterojunction has been reported for the first time. Under illumination at a power density of 17.2 mW/cm2, a photoresponse increase of 18.6% was obtained when applying a 每0.88% compressive strain.

    

Interconnected graphene/polymer micro-tube piping composites for liquid sensing

Tingting Yang1,2,∫, Hongze Zhang3,∫, Yan Wang4, Xiao Li1,2, Kunlin Wang1, Jinquan Wei1, Dehai Wu5, Zhihong Li2,3 (*), and Hongwei Zhu1,2 (*)


1 School of Materials Science and Engineering, State Key Laboratory of New Ceramics and Fine Processing, Key Laboratory of Materials Processing Technology of MOE, Tsinghua University, Beijing 100084, China
2 Center for Nano and Micro Mechanics, Tsinghua University, Beijing 100084, China
3 National Key Laboratory of Science and Technology on Micro/Nano Fabrication, Institute of Microelectronics, Peking University, Beijing 100871, China
4 Department of Physics, and Nanoscience and Nanotechnology Laboratory, Institute for Advanced Study, Nanchang University, Nanchang 330031, China
5 Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
These authors contributed equally to this work.

DOI 10.1007/s12274-014-0448-5

Nano Research 2014, 7(6): 869每876

Address correspondence to Zhihong Li, zhhli@pku.edu.cn; Hongwei Zhu, hongweizhu@tsinghua.edu.cn

A polymer-coated graphene micro-tube piping (GMP) structure with a cross-linked and interconnected channel network has been synthesized. The GMP can be used as a sensor for volatile organic compounds in liquid solution with good selectivity, high sensitivity, and rapid response.

    

High resolution scanning gate microscopy measure- ments on InAs/GaSb nanowire Esaki diode devices

James L. Webb1 (*), Olof Persson1, Kimberly A. Dick2, Claes Thelander3, Rainer Timm1, and Anders Mikkelsen1

1 Division of Synchrotron Radiation Research, Lund University, Sweden
2 Center for Analysis and Synthesis, Lund University, Sweden
3 Division of Solid State Physics, Lund University, Sweden

DOI 10.1007/s12274-014-0449-4

Nano Research 2014, 7(6): 877每887

Address correspondence to james.webb@sljus.lu.se

Schematic of SGM on an InAs/GaSb device (SEM, below) with current suppression (darker) and enhancement (lighter) shown alongside the AFM profile.

    

Steric and electronic selectivity in the synthesis of Fe每 1,2,4,5-tetracyanobenzene (TCNB) complexes on Au(111): From topological confinement to bond formation

Shawulienu Kezilebieke1, Anis Amokrane1, Mauro Boero1, Sylvain Clair2, Mathieu Abel2, and Jean-Pierre Bucher1 (*)


1 Institut de Physique et Chimie des Mat谷riaux de Strasbourg, CNRS UMR 7504, Universit谷 de Strasbourg, F-67034 Strasbourg, France
2 Universit谷 Aix-Marseille, IM2NP, CNRS UMR 7334, Campus de Saint-J谷rôme, Case 142, F-13397 Marseille Cedex 20, France

DOI 10.1007/s12274-014-0450-y

Nano Research 2014, 7(6): 888每897

Address correspondence to jean-pierre.bucher@ipcms.unistra.fr

Steric hindrance leads to a strongly modified chirality in square planar coordination of Fe(TCNB)4 (TCNB = 1,2,4,5-tetracyanobenzene) complexes upon organometallic self-assembly on surfaces. The competition between steric and electronic effects is found to be due to growth-induced confinement.

    

Growth of silicon nanowires in aqueous solution under atmospheric pressure

Nae-Man Park1,∫ (*) and Chel-Jong Choi2,∫

1 Components and Materials Laboratory, Electronics and Telecommunications Research Institute (ETRI), 161 Gajeong-dong, Yuseong-gu, Daejeon 305-700, Republic of Korea
2 School of Semiconductor and Chemical Engineering, Semiconductor Physics Research Center, Chonbuk National University, 664-14, Deokjin-dong, Deokjin-gu, Jeonju 561-756, Republic of Korea
The authors equally contributed to this work.

DOI 10.1007/s12274-014-0451-x

Nano Research 2014, 7(6): 898每902

Address correspondence to nmpark@etri.re.kr

A new method for growing silicon nanowires is presented. They are grown in an aqueous solution at a temperature of 85 ∼C under atmospheric pressure.

    

Versatile inorganic每organic hybrid WOx每ethylenediamine nanowires: Synthesis, mechanism and application in heavy metal ion adsorption and catalysis

Wei Li1,2, Fang Xia2, Jin Qu1, Ping Li1, Dehong Chen3, Zhe Chen1, Yu Yu1, Yu Lu2, Rachel A. Caruso2,3 (*), and Weiguo Song1 (*)

 

1 Beijing National Laboratory for Molecular Sciences (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
2 CSIRO Materials Science and Engineering, Private Bag 33, Clayton South, Victoria, 3169, Australia
3 PFPC, School of Chemistry, The University of Melbourne, Melbourne, Victoria, 3010, Australia

DOI 10.1007/s12274-014-0452-9

Nano Research 2014, 7(6): 903每916

Address correspondence to Weiguo Song, wsong@iccas.ac.cn; Rachel A. Caruso, rcaruso@unimelb.edu.au

Inorganic每organic hybrid WOx每ethylenediamine nanowires have been prepared via a simple solvothermal process and studied by in situ synchrotron-radiation X-ray diffraction (XRD). These nanowires demonstrate versatile abilities in heavy metal adsorption and catalyzing the Knoevenagel condensation. As a highly efficient adsorbent, WOx每ethylenediamine nanowires display exceptional adsorption capabilities for various heavy metal ions; and as a heterogeneous catalyst WOx每ethylenediamine nanowires exhibit extraordinary stability at room temperature.

    

Flexible piezoelectric nanogenerators based on a fiber/ZnO nanowires/paper hybrid structure for energy harvesting

Qingliang Liao1, Zheng Zhang1, Xiaohui Zhang1, Markus Mohr2, Yue Zhang1 (*), and Hans-Jörg Fecht2

1 Department of Materials Physics and Chemistry, State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
2 Institute of Micro and Nanomaterials, Ulm University, Ulm 89081, Germany

DOI 10.1007/s12274-014-0453-8

Nano Research 2014, 7(6): 917每928

Address correspondence to yuezhang@ustb.edu.cn

We present a novel approach to fabricate flexible piezoelectric nano- generators (NGs) consisting of ZnO nanowires (NWs) on carbon fibers and foldable Au-coated ZnO NWs/paper. The electrical output of the NGs can be controlled by increasing the fiber number, adjusting the strain rate and connection modes. The developed NGs can be used for smart textile structures and wearable nanodevices.

    

Unidirectionally aligned diphenylalanine nanotube/ microtube arrays with excellent supercapacitive performance

Jinlei Zhang, Xinglong Wu (*), Zhixing Gan, Xiaobin Zhu, and Yamin Jin

National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China

DOI 10.1007/s12274-014-0455-6

Nano Research 2014, 7(6): 929每937

Address correspondence to hkxlwu@nju.edu.cn.

We demonstrate fabrication of unidirectionally aligned and stable diphenylalanine nanotube/microtube (NT/MT) arrays with centimeter scale area at room temperature by utilizing an external electric field. The interactions between the applied electric field and dipolar electric field on the NTs and surface positive charges are responsible for the formation. The unidirectionally aligned MT array exhibits a supercapacitance of 1,000 米F﹞cm每2 at a scanning rate of 50 mV﹞s每1.

    

Polymer nanowire vertical transistors

Husande Li, Tzushan Chen, and Yuchiang Chao (*)


Department of Physics and Center for Nano-Technology, Chung Yuan Christian University, Chung-Li 32023

DOI 10.1007/s12274-014-0458-3

Nano Research 2014, 7(6): 938每944

Address correspondence to ycchao@cycu.edu.tw

A polymer vertical transistor has been demonstrated for the first time by utilizing polymer nanowires. Superior characteristics were achieved compared to previous published results.

    

Copyright Nano Research   |   Contact Us