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Shape Control of CoO and LiCoO2 Nanocrystals

Dingsheng Wang1, Xiaoling Ma1, Yanggang Wang1, Li Wang2, Zhongying Wang1, Wen Zheng1, Xiangming He2, Jun Li1, Qing Peng1, and Yadong Li1 ()
 
1 Department of Chemistry and State Key Laboratory of New Ceramics and Fine Processing, Tsinghua University, Beijing 100084, China

2 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 102201, China

DOI 10.1007/s12274-010-1001-9

Nano Res (2010) 3: 1每7

Address correspondence to ydli@mail.tsinghua.edu.cn

Morphology-controllable synthesis of CoO and LiCoO2 nanocrystals gives two novel-shaped LiCoO2 nanocrystals showing different electrochemical performance, indicating that Li-insertion/deintercalation dynamics might be crystal face-sensitive.

    

Projected Performance Advantage of Multilayer Graphene Nanoribbons as a Transistor Channel Material

Yijian Ouyang1 (), Hongjie Dai2, and Jing Guo1 ()
 
1 Department of Electrical and Computer Engineering, University of Florida, Gainesville, FL 32611, USA
2 Department of Chemistry, Stanford University, Stanford, CA 94305, USA

DOI 10.1007/s12274-010-1002-8

Nano Res (2010) 3: 8每15

Address correspondence to guoj@ufl.edu

With a thin high-百 wrapped-around gate and reduced interlayer coupling, a multilayer GNRFET can significantly outperform its CNT counterpart with a similar gate and bandgap in terms of the ballistic on-current.

    

Efficient Synthesis of Graphene Nanoribbons Sonochemically Cut from Graphene Sheets

Zhong-Shuai Wu, Wencai Ren (), Libo Gao, Bilu Liu, Jinping Zhao, and Hui-Ming Cheng ()
 
Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, China

DOI 10.1007/s12274-010-1003-7

Nano Res (2010) 3: 16每22

Address correspondence to Hui-Ming Cheng, cheng@imr.ac.cn; Wencai Ren, wcren@imr.ac.cn

Narrow and long graphene nanoribbons (GNRs) can be fabricated in high yield by sonochemically cutting chemically derived graphene sheets (GSs). A chemical tailoring mechanism involving oxygen-unzipping of GSs under sonochemical conditions is proposed on the basis of experimental observations and previously reported theoretical calculations, and it is suggested that the formation and distribution of line faults on graphite oxide and GSs play important roles in the formation of GNRs.

    

Pullulan Acetate Coated Magnetite Nanoparticles for Hyper- Thermia: Preparation, Characterization and In Vitro Experiments

Fuping Gao1 (), Yuanyuan Cai1,2, Jing Zhou1,2, Xiaoxue Xie1,3, Weiwei Ouyang1,3, Yuhui Zhang1,2, Xufei Wang1, Xiaodong Zhang1, Xiaowen Wang1, Lingyun Zhao1 , and Jintian Tang1 ()
 
1 Key Laboratory of Particle & Radiation Imaging, Ministry of Education, Institute of Medical Physics and Engineering, Department of Engineering Physics, Tsinghua University, Beijing 100084, China
2 Department of Biopharmaceutics, Beijing University of Traditional Chinese Medicine, Beijing 100102, China
3 Department of Oncology, Xiangya Hospital of Central South University, Changsha 410008, China

DOI 10.1007/s12274-010-1004-6

Nano Res (2010) 3: 23每31

Address correspondence to Jintian Tang, tangjt@mail.tsinghua.edu.cn; Fuping Gao, gaofp158@gmail.com

Novel amphipathic polymer pullulan acetate coated magnetic nanoparticles have high saturation magnetization with superparamagnetic characteristics and good heating properties in an alternating magnetic field.

    

Coordinated Buckling of Thick Multi-Walled Carbon Nanotubes Under Uniaxial Compression

Xu Huang1, Hongyan Yuan1, K. Jimmy Hsia2, and Sulin Zhang1 ()
 
1 Department of Engineering Science and Mechanics, The Pennsylvania State University, University Park, PA 16802, USA
2 Department of Mechanical Science and Engineering, University of Illinois, Urbana, IL 61801, USA

DOI 10.1007/s12274-010-1005-5

Nano Res (2010) 3: 32每42

Address correspondence to suz10@psu.edu

Large-scale quasi-continuum simulations indicate that multi-walled carbon nanotubes under uniaxial compression show evolving post- buckling morphologies, ranging from asymmetric periodic rippling to helical diamond patterns. We attribute such morphological evolution to the coordinated buckling of the constituent shells.

    

In Situ Imaging of Layer-by-Layer Sublimation of Suspended Graphene

Jian Yu Huang1 (), Liang Qi2, and Ju Li2
 
1 Center for Integrated Nanotechnologies (CINT), Sandia National Laboratories, Albuquerque, New Mexico 87185, USA
2 Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA

DOI 10.1007/s12274-010-1006-4

Nano Res (2010) 3: 43每50

Address correspondence to jhuang@sandia.gov or jyhuang8@yahoo.com

Layer-by-layer sublimation of graphene. The sublimation was initiated from vacancies which aggregate to form vacancy holes.

    

Dopant-Controlled Synthesis of Water-Soluble Hexagonal NaYF4 Nanorods with Efficient Upconversion Fluorescence
for Multicolor Bioimaging

Xuefeng Yu1, Min Li1, Mengyin Xie1, Liangdong Chen2, Yan Li2, and Ququan Wang1 ()
 
1 Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, Wuhan University, Wuhan 430072, China
2 Department of Oncology, Zhongnan Hospital of Wuhan University, Hubei Key Laboratory of Tumor Biological Behaviors, Wuhan 430071, China
 

DOI 10.1007/s12274-010-1008-2

Nano Res (2010) 3: 51每60

Address correspondence to qqwang@whu.edu.cn

We demonstrate a doping effect of rare-earth elements with large ionic radius on the phase and shape of NaYF4 nanocrystals, and established a dopant-controlled strategy for preparing water-soluble hexagonal NaYF4 nanorods with enhanced upconversion fluorescence for multicolor bioimaging.

    

Comparison and Optimization of Multiplexed Quantum Dot-Based Immunohistofluorescence

Donghai Huang1,2, Xianghong Peng1, Ling Su1, Dongsheng Wang1, Fadlo R. Khuri1, Dong M. Shin1, and Zhuo (Georgia) Chen1 ()
 
1 Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia 30322, USA
2 Department of Otolaryngology-Head and Neck Surgery, Xiang-Ya Hospital, Central South University, Changsha, Hunan 410008, China
 

DOI 10.1007/s12274-010-1009-1

Nano Res (2010) 3: 61每68

Address correspondence to gzchen@emory.edu

Indirect QD-IHF staining procedures have been simultaneously and sequentially compared using QD每secondary antibody conjugates. The multiplexed QD-based biomarker staining was optimized, providing a convenient tool for multiplexing biomarkers in research and clinical applications.

    

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