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  • 1
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    Nanoscale science of single molecules using local probes (1999)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1999-03-12
    Description: Experiments on individual molecules using scanning probe microscopies have demonstrated an exciting diversity of physical, chemical, mechanical, and electronic phenomena. They have permitted deeper insight into the quantum electronics of molecular systems and have provided unique information on their conformational and mechanical properties. Concomitant developments in experimentation and theory have allowed a diverse range of molecules to be studied, varying in complexity from simple diatomics to biomolecular systems. At the level of an individual molecule, the interplays of mechanical and electronical behavior and chemical properties manifest themselves in an unusually clear manner. In revealing the crucial role of thermal, stochastic, and quantum-tunneling processes, they suggest that dynamics is inescapable and may play a decisive role in the evolution of nanotechnology.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gimzewski -- Joachim -- New York, N.Y. -- Science. 1999 Mar 12;283(5408):1683-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IBM Research Division, Zurich Research Laboratory, 8803 Ruschlikon, Switzerland. Centre d'Elaboration des Materiaux et d'Etudes Structurales-CNRS, 29 rue J. Marvig, Boite Postale 4347, 31055 Toulouse Cedex, France.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10073926" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    Translating biomolecular recognition into nanomechanics (2000)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2000-04-15
    Description: We report the specific transduction, via surface stress changes, of DNA hybridization and receptor-ligand binding into a direct nanomechanical response of microfabricated cantilevers. Cantilevers in an array were functionalized with a selection of biomolecules. The differential deflection of the cantilevers was found to provide a true molecular recognition signal despite large nonspecific responses of individual cantilevers. Hybridization of complementary oligonucleotides shows that a single base mismatch between two 12-mer oligonucleotides is clearly detectable. Similar experiments on protein A-immunoglobulin interactions demonstrate the wide-ranging applicability of nanomechanical transduction to detect biomolecular recognition.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Fritz, J -- Baller, M K -- Lang, H P -- Rothuizen, H -- Vettiger, P -- Meyer, E -- Guntherodt, H -- Gerber, C -- Gimzewski, J K -- New York, N.Y. -- Science. 2000 Apr 14;288(5464):316-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IBM Research, Zurich Research Laboratory, Saumerstrasse 4, CH-8803 Ruschlikon, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/10764640" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Antibody Specificity ; Base Pair Mismatch ; Base Pairing ; Chemistry, Physical ; Goats ; Gold/*chemistry ; Hydrogen Bonding ; Immunoglobulin Constant Regions/*chemistry ; Ligands ; *Nucleic Acid Hybridization ; Oligodeoxyribonucleotides/*chemistry ; Physicochemical Phenomena ; Rabbits ; Silicon/*chemistry ; Staphylococcal Protein A/*chemistry ; Static Electricity ; Stress, Mechanical ; Thionucleotides/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 3
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    Single crystals of single-walled carbon nanotubes formed by self-assembly (2001)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2001-04-09
    Description: We report the self-assembly of single crystals of single-walled carbon nanotubes (SWCNTs) using thermolysis of nano-patterned precursors. The synthesis of these perfectly ordered, single crystals of SWCNTs results in extended structures with dimension on the micrometer scale. Each crystal is composed of an ordered array of tubes with identical diameters and chirality, although these properties vary between crystals. The results show that SWCNTs can be produced as a perfect bulk material on the micrometer scale and point toward the synthesis of bulk macroscopic crystalline material.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Schlittler, R R -- Seo, J W -- Gimzewski, J K -- Durkan, C -- Saifullah, M S -- Welland, M E -- New York, N.Y. -- Science. 2001 May 11;292(5519):1136-9. Epub 2001 Apr 5.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IBM Research, Zurich Research Laboratory, Saumerstrasse 4, CH-8803 Ruschlikon, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11292859" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 4
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    Rotation of a single molecule within a supramolecular bearing (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-07-24
    Description: Experimental visualization and verification of a single-molecule rotor operating within a supramolecular bearing is reported. Using a scanning tunneling microscope, single molecules were observed to exist in one of two spatially defined states laterally separated by 0.26 nanometers. One was identified as a rotating state and the other as an immobilized state. Calculations of the energy barrier for rotation of these two states show that it is below the thermal energy at room temperature for the rotating state and above it for the immobilized state.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gimzewski -- Joachim -- Schlittler -- Langlais V -- Tang -- Johannsen I -- New York, N.Y. -- Science. 1998 Jul 24;281(5376):531-3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉J. K. Gimzewski, R. R. Schlittler, V. Langlais, IBM Research Division, Zurich Research Laboratory, Saumerstrasse 4, 8803 Ruschlikon, Switzerland. C. Joachim and H. Tang, CEMES-CNRS, 29 rue J. Marvig, Boite Postale 4347, 31055 Toulouse.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9677189" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 5
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    Local nanomechanical motion of the cell wall of Saccharomyces cerevisiae (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-08-25
    Description: We demonstrate that the cell wall of living Saccharomyces cerevisiae (baker's yeast) exhibits local temperature-dependent nanomechanical motion at characteristic frequencies. The periodic motions in the range of 0.8 to 1.6 kHz with amplitudes of approximately 3 nm were measured using the cantilever of an atomic force microscope (AFM). Exposure of the cells to a metabolic inhibitor causes the periodic motion to cease. From the strong frequency dependence on temperature, we derive an activation energy of 58 kJ/mol, which is consistent with the cell's metabolism involving molecular motors such as kinesin, dynein, and myosin. The magnitude of the forces observed ( approximately 10 nN) suggests concerted nanomechanical activity is operative in the cell.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Pelling, Andrew E -- Sehati, Sadaf -- Gralla, Edith B -- Valentine, Joan S -- Gimzewski, James K -- DK46828/DK/NIDDK NIH HHS/ -- New York, N.Y. -- Science. 2004 Aug 20;305(5687):1147-50.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15326353" target="_blank"〉PubMed〈/a〉
    Keywords: Biomechanical Phenomena ; Cell Wall/*physiology/ultrastructure ; Fourier Analysis ; Microscopy, Atomic Force ; Motion ; Movement ; Saccharomyces cerevisiae/drug effects/*physiology/ultrastructure ; Sodium Azide/pharmacology ; Temperature
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 6
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    Photon emission at molecular resolution induced by a scanning tunneling microscope (1993)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1993-11-26
    Description: The tip-surface region of a scanning tunneling microscope (STM) emits light when the energy of the tunneling electrons is sufficient to excite luminescent processes. These processes provide access to dynamic aspects of the local electronic structure that are not directly amenable to conventional STM experiments. From monolayer films of carbon-60 fullerenes on gold(110) surfaces, intense emission is observed when the STM tip is placed above an individual molecule. The diameter of this emission spot associated with carbon-60 is approximately 4 angstroms. These results demonstrate the highest spatial resolution of light emission to date with a scanning probe technique.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Berndt, R -- Gaisch, R -- Gimzewski, J K -- Reihl, B -- Schlittler, R R -- Schneider, W D -- Tschudy, M -- New York, N.Y. -- Science. 1993 Nov 26;262(5138):1425-7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17736824" target="_blank"〉PubMed〈/a〉
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 7
    Electronic Resource
    Electronic Resource
    Core-ionization energies and the anomalous basicity of arsabenzene and phosphabenzene (1979)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 101 (1979), S. 1764-1767 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00501a020
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  • 8
    Electronic Resource
    Electronic Resource
    Electron spectroscopic investigations of the influence of initial- and final-state effects on electronegativity (1980)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 102 (1980), S. 4873-4879 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00535a005
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  • 9
    Electronic Resource
    Electronic Resource
    Electronics using hybrid-molecular and mono-molecular devices (2000)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 408 (2000), S. 541-548 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The semiconductor industry has seen a remarkable miniaturization trend, driven by many scientific and technological innovations. But if this trend is to continue, and provide ever faster and cheaper computers, the size of microelectronic circuit components will soon need to reach the scale of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35046000
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  • 10
    Electronic Resource
    Electronic Resource
    Conformational identification of individual adsorbed molecules with the STM (1997)
    [s.l.] : Nature Publishing Group
    Nature 386 (1997), S. 696-698 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cu-tetra[3,5 di-f-butylphenyl]porphyrin (Cu-TBPP) belongs to a class of porphyrins with four phenyl-based substituents of symmetrically bound, interconnecting carbon atoms on pyrrole rings (Fig. la). X-ray diffraction has shown that tetraphenylpor-phyrin (TPP) derivatives exhibit dihedral angles of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/386696a0
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