- Confinement Spectroscopy: Probing Single DNA Molecules with Tapered Nanochannels
[作者:Persson, F; Utko, P; Reisner, W; Larsen, NB; Kristensen, A,期刊:Nano Letters, 页码:1382-1385 , 文章类型: Letter,,卷期:2009年9-4]
- We demonstrate a confinement spectroscopy technique capable of probing small conformational changes of unanchored single DNA molecules in a manner analogous to force spectroscopy, in the regime corresponding to femtonewt...
- Carbon Nanotube Based Artificial Water Channel Protein: Membrane Perturbation and Water Transportation
[作者:Liu, B; Li, XY; Li, BL; Xu, BQ; Zhao, YL,期刊:Nano Letters, 页码:1386-1394 , 文章类型: Letter,,卷期:2009年9-4]
- We functionalized double-walled carbon nanotubes (DWCNTs) as artificial water channel proteins. For the first time, molecular dynamics simulations show that the bilayer structure of DWCNTs is advantageous for carbon nano...
- Single-Step Process To Prepare CeO2 Nanotubes with Improved Catalytic Activity
[作者:Gonzalez-Rovira, L; Sanchez-Amaya, JM; Lopez-Haro, M; del Rio, E; Hungria, AB; Midgley, P; Calvino, JJ; Bernal, S; Botana, FJ,期刊:Nano Letters, 页码:1395-1400 , 文章类型: Letter,,卷期:2009年9-4]
- CeO2 nanotubes have been grown electrochemically using a porous alumina membrane as a template. The resulting material has been characterized by means of scanning electron microscopy (SEM), X-ray energy dispersive spectr...
- Adaptive Logic Circuits with Doping-Free Ambipolar Carbon Nanotube Transistors
[作者:Yu, WJ; Kim, UJ; Kang, BR; Lee, IH; Lee, EH; Lee, YH,期刊:Nano Letters, 页码:1401-1405 , 文章类型: Letter,,卷期:2009年9-4]
- A CMOS-like inverter was integrated by using ambipolar carbon nanotube (CNT) transistors without doping. The ambipolar CNT transistors automatically configure themselves to play a role as an n-type or p-type transistor i...
- Multilevel Nonvolatile Small-Molecule Memory Cell Embedded with Ni Nanocrystals Surrounded by a NiO Tunneling Barrier
[作者:Park, JG; Nam, WS; Seo, SH; Kim, YG; Oh, YH; Lee, GS; Paik, UG,期刊:Nano Letters, 页码:1713-1719 , 文章类型: Letter,,卷期:2009年9-4]
- Four-level nonvolatile small-molecule 4F(2) memory cells were developed with a sandwiched device structure consisting of an upper Al electrode, upper small-molecule layer (Alq(3), aluminum tris(8-hydroxyquinoline)), Ni n...
- Magnetic Tweezers Measurement of Single Molecule Torque
[作者:Celedon, A; Nodelman, IM; Wildt, B; Dewan, R; Searson, P; Wirtz, D; Bowman, GD; Sun, SX,期刊:Nano Letters, 页码:1720-1725 , 文章类型: Letter,,卷期:2009年9-4]
- Torsional stress in linear biopolymers such as DNA and chromatin has important consequences for nanoscale biological processes. We have developed a new method to directly measure torque on single molecules. Using a cylin...
- Nanoscale Control of Domain Architectures in BiFeO3 Thin Films
[作者:Chu, YH; He, Q; Yang, CH; Yu, P; Martin, LW; Shafer, P; Ramesh, R,期刊:Nano Letters, 页码:1726-1730 , 文章类型: Letter,,卷期:2009年9-4]
- We demonstrate an approach to create a one-dimensional nanoscale array of domain walls in epitaxial La-substituted BiFeO3 films. We have used a DySCO3 (110)(o) single-crystal substrate to provide an anisotropic strain to...
- Multiwalled Carbon Nanotubes Specifically Inhibit Osteoclast Differentiation and Function
[作者:Narita, N; Kobayashi, Y; Nakamura, H; Maeda, K; Ishihara, A; Mizoguchi, T; Usui, Y; Aoki, K; Simizu, M; Kato, H; Ozawa, H; Udagawa, N; Endo, M; Takahashi, N; Saito, N,期刊:Nano Letters, 页码:1406-1413 , 文章类型: Letter,,卷期:2009年9-4]
- Since attention has been paid to the use of multiwalled carbon nanotubes (MWCNTs) as biornaterials in contact with bone, it is critical to understand the reaction of bone cells to MWCNTs. We show that MWCNTs inhibit oste...
- Helical Wrapping of Single-Walled Carbon Nanotubes by Water Soluble Poly(p-phenyleneethynylene)
[作者:Kang, YK; Lee, OS; Deria, P; Kim, SH; Park, TH; Bonnell, DA; Saven, JG; Therien, MJ,期刊:Nano Letters, 页码:1414-1418 , 文章类型: Letter,,卷期:2009年9-4]
- Amphiphilic, linear conjugated poly[p-{2,5-bis(3-propoxysulfonicacidsodiumsalt)}phenylene]ethynylene (PPES) efficiently disperses single-walled carbon nanotubes (SWNTs) under ultrasonication conditions into the aqueous p...
- Structure Study of Bulk Nanograined Thermoelectric Bismuth Antimony Telluride
[作者:Lan, YC; Poudel, B; Ma, Y; Wang, DZ; Dresselhaus, MS; Chen, G; Ren, ZF,期刊:Nano Letters, 页码:1419-1422 , 文章类型: Letter,,卷期:2009年9-4]
- The microstructures of bulk nanograined p-type bismuth antimony telluride with a thermoelectric dimensionless figure-of-merit ZT = 1.4 are investigated using transmission electron microscopy. It is found that the bulk ma...
- Raman Spectroscopy of Graphene Edges
[作者:Casiraghi, C; Hartschuh, A; Qian, H; Piscanec, S; Georgi, C; Fasoli, A; Novoselov, KS; Basko, DM; Ferrari, AC,期刊:Nano Letters, 页码:1433-1441 , 文章类型: Letter,,卷期:2009年9-4]
- Graphene edges are of particular interest since their orientation determines the electronic properties. Here we present a detailed Raman investigation of graphene flakes with edges oriented at different crystallographic ...
- Ultrastable Atomic Force Microscopy: Atomic-Scale Stability and Registration in Ambient Conditions
[作者:King, GM; Carter, AR; Churnside, AB; Eberle, LS; Perkins, TT,期刊:Nano Letters, 页码:1451-1456 , 文章类型: Letter,,卷期:2009年9-4]
- Instrumental drift in atomic force microscopy (AFM) remains a critical, largely unaddressed issue that limits tip-sample stability, registration, and the signal-to-noise ratio during imaging. By scattering a laser off th...
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