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  • 1
    Publication Date: 2015-10-22
    Description: In this study, laser-processed multi-walled carbon nanotube (MWCNT)/Cu conductors are introduced as potential passive components to mitigate the skin effect of Cu at high frequencies (0–10 MHz). Suppressed skin effect is observed in the MWCNT/Cu conductors compared to primitive Cu. At an AC frequency of 10 MHz, a maximum AC resistance reduction of 94% was observed in a MWCNT/Cu conductor after being irradiated at a laser power density of 189 W/cm 2 . The reduced skin effect in the MWCNT/Cu conductors is ascribed to the presence of MWCNT channels which are insensitive to AC frequencies. The laser irradiation process is observed to play a crucial role in reducing contact resistance at the MWCNT-Cu interfaces, removing impurities in MWCNTs, and densifying MWCNT films.
    Print ISSN: 0021-8979
    Electronic ISSN: 1089-7550
    Topics: Physics
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  • 2
    Publication Date: 2014-11-19
    Description: CdS/CdSe/ZnS quantum dot quantum well (QDQW) nanocrystals were synthesized using the successive ion layer adsorption and reaction technique, and their optical properties were tuned by bandgap and strain engineering. 3-monolayer (ML) CdSe QWs emitted blue photoluminescence at 467 nm with a spectral full-width-at-half-maximum of ∼30 nm. With a 3 ML ZnS cladding layer, which also acts as a passivating and strain-compensating layer, the QDQWs acquired a ∼35% quantum yield of the QW emission. Blue and green electroluminescence (EL) was obtained from QDQW light-emitting devices with 3–4.5 ML CdSe QWs. It was found that as the peak blueshifted, the overall EL was increasingly dominated by defect state emission due to poor hole injection into the QDQWs. The weak EL was also attributed to strong field-induced charge separation resulting from the unique QDQW geometry, weakening the oscillator strength of optical transitions.
    Print ISSN: 0003-6951
    Electronic ISSN: 1077-3118
    Topics: Physics
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  • 3
    Publication Date: 2013-08-13
    Description: Epileptic encephalopathies are a devastating group of severe childhood epilepsy disorders for which the cause is often unknown. Here we report a screen for de novo mutations in patients with two classical epileptic encephalopathies: infantile spasms (n = 149) and Lennox-Gastaut syndrome (n = 115). We sequenced the exomes of 264 probands, and their parents, and confirmed 329 de novo mutations. A likelihood analysis showed a significant excess of de novo mutations in the approximately 4,000 genes that are the most intolerant to functional genetic variation in the human population (P = 2.9 x 10(-3)). Among these are GABRB3, with de novo mutations in four patients, and ALG13, with the same de novo mutation in two patients; both genes show clear statistical evidence of association with epileptic encephalopathy. Given the relevant site-specific mutation rates, the probabilities of these outcomes occurring by chance are P = 4.1 x 10(-10) and P = 7.8 x 10(-12), respectively. Other genes with de novo mutations in this cohort include CACNA1A, CHD2, FLNA, GABRA1, GRIN1, GRIN2B, HNRNPU, IQSEC2, MTOR and NEDD4L. Finally, we show that the de novo mutations observed are enriched in specific gene sets including genes regulated by the fragile X protein (P 〈 10(-8)), as has been reported previously for autism spectrum disorders.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773011/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3773011/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Epi4K Consortium -- Epilepsy Phenome/Genome Project -- Allen, Andrew S -- Berkovic, Samuel F -- Cossette, Patrick -- Delanty, Norman -- Dlugos, Dennis -- Eichler, Evan E -- Epstein, Michael P -- Glauser, Tracy -- Goldstein, David B -- Han, Yujun -- Heinzen, Erin L -- Hitomi, Yuki -- Howell, Katherine B -- Johnson, Michael R -- Kuzniecky, Ruben -- Lowenstein, Daniel H -- Lu, Yi-Fan -- Madou, Maura R Z -- Marson, Anthony G -- Mefford, Heather C -- Esmaeeli Nieh, Sahar -- O'Brien, Terence J -- Ottman, Ruth -- Petrovski, Slave -- Poduri, Annapurna -- Ruzzo, Elizabeth K -- Scheffer, Ingrid E -- Sherr, Elliott H -- Yuskaitis, Christopher J -- Abou-Khalil, Bassel -- Alldredge, Brian K -- Bautista, Jocelyn F -- Boro, Alex -- Cascino, Gregory D -- Consalvo, Damian -- Crumrine, Patricia -- Devinsky, Orrin -- Fiol, Miguel -- Fountain, Nathan B -- French, Jacqueline -- Friedman, Daniel -- Geller, Eric B -- Glynn, Simon -- Haut, Sheryl R -- Hayward, Jean -- Helmers, Sandra L -- Joshi, Sucheta -- Kanner, Andres -- Kirsch, Heidi E -- Knowlton, Robert C -- Kossoff, Eric H -- Kuperman, Rachel -- McGuire, Shannon M -- Motika, Paul V -- Novotny, Edward J -- Paolicchi, Juliann M -- Parent, Jack M -- Park, Kristen -- Shellhaas, Renee A -- Shih, Jerry J -- Singh, Rani -- Sirven, Joseph -- Smith, Michael C -- Sullivan, Joseph -- Lin Thio, Liu -- Venkat, Anu -- Vining, Eileen P G -- Von Allmen, Gretchen K -- Weisenberg, Judith L -- Widdess-Walsh, Peter -- Winawer, Melodie R -- 1RC2NS070342/NS/NINDS NIH HHS/ -- NS053998/NS/NINDS NIH HHS/ -- NS077274/NS/NINDS NIH HHS/ -- NS077276/NS/NINDS NIH HHS/ -- NS077303/NS/NINDS NIH HHS/ -- NS077364/NS/NINDS NIH HHS/ -- R56AI098588/AI/NIAID NIH HHS/ -- U01 NS053998/NS/NINDS NIH HHS/ -- U01 NS077274/NS/NINDS NIH HHS/ -- U01 NS077276/NS/NINDS NIH HHS/ -- U01 NS077303/NS/NINDS NIH HHS/ -- U01 NS077364/NS/NINDS NIH HHS/ -- U01AI067854/AI/NIAID NIH HHS/ -- UL1 TR000005/TR/NCATS NIH HHS/ -- England -- Nature. 2013 Sep 12;501(7466):217-21. doi: 10.1038/nature12439. Epub 2013 Aug 11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23934111" target="_blank"〉PubMed〈/a〉
    Keywords: Child Development Disorders, Pervasive ; Cohort Studies ; Exome/genetics ; Female ; Fragile X Mental Retardation Protein/metabolism ; Genetic Predisposition to Disease/genetics ; Humans ; Infant ; Intellectual Disability/*genetics/physiopathology ; Lennox Gastaut Syndrome ; Male ; Mutation/*genetics ; Mutation Rate ; N-Acetylglucosaminyltransferases/genetics ; Probability ; Receptors, GABA-A/genetics ; Spasms, Infantile/*genetics/physiopathology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 4
    Publication Date: 2015-02-24
    Description: Amyotrophic lateral sclerosis (ALS) is a devastating neurological disease with no effective treatment. We report the results of a moderate-scale sequencing study aimed at increasing the number of genes known to contribute to predisposition for ALS. We performed whole-exome sequencing of 2869 ALS patients and 6405 controls. Several known ALS genes were found to be associated, and TBK1 (the gene encoding TANK-binding kinase 1) was identified as an ALS gene. TBK1 is known to bind to and phosphorylate a number of proteins involved in innate immunity and autophagy, including optineurin (OPTN) and p62 (SQSTM1/sequestosome), both of which have also been implicated in ALS. These observations reveal a key role of the autophagic pathway in ALS and suggest specific targets for therapeutic intervention.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4437632/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4437632/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cirulli, Elizabeth T -- Lasseigne, Brittany N -- Petrovski, Slave -- Sapp, Peter C -- Dion, Patrick A -- Leblond, Claire S -- Couthouis, Julien -- Lu, Yi-Fan -- Wang, Quanli -- Krueger, Brian J -- Ren, Zhong -- Keebler, Jonathan -- Han, Yujun -- Levy, Shawn E -- Boone, Braden E -- Wimbish, Jack R -- Waite, Lindsay L -- Jones, Angela L -- Carulli, John P -- Day-Williams, Aaron G -- Staropoli, John F -- Xin, Winnie W -- Chesi, Alessandra -- Raphael, Alya R -- McKenna-Yasek, Diane -- Cady, Janet -- Vianney de Jong, J M B -- Kenna, Kevin P -- Smith, Bradley N -- Topp, Simon -- Miller, Jack -- Gkazi, Athina -- FALS Sequencing Consortium -- Al-Chalabi, Ammar -- van den Berg, Leonard H -- Veldink, Jan -- Silani, Vincenzo -- Ticozzi, Nicola -- Shaw, Christopher E -- Baloh, Robert H -- Appel, Stanley -- Simpson, Ericka -- Lagier-Tourenne, Clotilde -- Pulst, Stefan M -- Gibson, Summer -- Trojanowski, John Q -- Elman, Lauren -- McCluskey, Leo -- Grossman, Murray -- Shneider, Neil A -- Chung, Wendy K -- Ravits, John M -- Glass, Jonathan D -- Sims, Katherine B -- Van Deerlin, Vivianna M -- Maniatis, Tom -- Hayes, Sebastian D -- Ordureau, Alban -- Swarup, Sharan -- Landers, John -- Baas, Frank -- Allen, Andrew S -- Bedlack, Richard S -- Harper, J Wade -- Gitler, Aaron D -- Rouleau, Guy A -- Brown, Robert -- Harms, Matthew B -- Cooper, Gregory M -- Harris, Tim -- Myers, Richard M -- Goldstein, David B -- 089701/Wellcome Trust/United Kingdom -- K08 NS075094/NS/NINDS NIH HHS/ -- P01 AG017586/AG/NIA NIH HHS/ -- P01 AG032953/AG/NIA NIH HHS/ -- P50 AG025688/AG/NIA NIH HHS/ -- R37 NS033123/NS/NINDS NIH HHS/ -- R37 NS083524/NS/NINDS NIH HHS/ -- T32 GM007754/GM/NIGMS NIH HHS/ -- TL1 TR001066/TR/NCATS NIH HHS/ -- UL1 TR001067/TR/NCATS NIH HHS/ -- New York, N.Y. -- Science. 2015 Mar 27;347(6229):1436-41. doi: 10.1126/science.aaa3650. Epub 2015 Feb 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Applied Genomics and Precision Medicine, Duke University School of Medicine, Durham, NC 27708, USA. ; HudsonAlpha Institute for Biotechnology, Huntsville, AL 35806, USA. ; Institute for Genomic Medicine, Columbia University, New York, NY 10032, USA. ; Department of Neurology, University of Massachusetts Medical School, Worcester, MA 01655, USA. ; Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, Montreal, Quebec H3A 2B4, Canada. ; Department of Genetics, Stanford University School of Medicine, Stanford, CA 94305, USA. ; Duke University School of Medicine, Durham, NC 27708, USA. ; Biogen Idec, Cambridge, MA 02142, USA. ; Neurogenetics DNA Diagnostic Laboratory, Center for Human Genetics Research, Department of Neurology, Massachusetts General Hospital, Boston, MA 02114, USA. ; Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA. ; Department of Genome Analysis, Academic Medical Center, Meibergdreef 9, 1105AZ Amsterdam, Netherlands. ; Academic Unit of Neurology, Trinity Biomedical Sciences Institute, Trinity College Dublin, Dublin, Republic of Ireland. ; Department of Basic and Clinical Neuroscience, King's College London, Institute of Psychiatry, Psychology and Neuroscience, London SE5 8AF, UK. ; Department of Neurology, Brain Center Rudolf Magnus, University Medical Centre Utrecht, 3508 GA Utrecht, Netherlands. ; Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan 20149, Italy, and Department of Pathophysiology and Transplantation, Dino Ferrari Center, Universita degli Studi di Milano, Milan 20122, Italy. ; Cedars Sinai Medical Center, Los Angeles, CA 90048, USA. ; Houston Methodist Hospital, Houston, TX 77030, USA, and Weill Cornell Medical College of Cornell University, New York, NY 10065, USA. ; Ludwig Institute for Cancer Research and Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT 84112, USA. ; Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Neurology, Penn ALS Center, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Neurology, Penn Frontotemporal Degeneration Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA. ; Department of Neurology, Center for Motor Neuron Biology and Disease, Columbia University, New York, NY 10032, USA. ; Department of Pediatrics and Medicine, Columbia University, New York, NY 10032, USA. ; Department of Neurosciences, University of California, San Diego, La Jolla, CA 92093, USA. ; Department of Neurology, Emory University, Atlanta, GA 30322, USA. ; Department of Biochemistry & Molecular Biophysics, Columbia University, New York, NY 10027, USA. ; Biogen Idec, Cambridge, MA 02142, USA. Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA. ; Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA. ; Department of Biostatistics and Bioinformatics, Duke University School of Medicine, Durham, NC 27708, USA. ; Duke ALS Clinic and Durham VA Medical Center, Durham, NC 27708, USA. ; Biogen Idec, Cambridge, MA 02142, USA. tim.harris@biogenidec.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25700176" target="_blank"〉PubMed〈/a〉
    Keywords: Adaptor Proteins, Signal Transducing/genetics/metabolism ; Adolescent ; Adult ; Aged ; Aged, 80 and over ; Amyotrophic Lateral Sclerosis/*genetics ; Autophagy/*genetics ; Exome/*genetics ; Female ; Genes ; Genetic Association Studies ; *Genetic Predisposition to Disease ; Humans ; Male ; Middle Aged ; Protein Binding ; Protein-Serine-Threonine Kinases/*genetics/metabolism ; Risk ; Sequence Analysis, DNA ; Transcription Factor TFIIIA/genetics/metabolism ; Young Adult
    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
    Publication Date: 2017-05-20
    Description: Author(s): T. I. Larkin, A. N. Yaresko, D. Pröpper, K. A. Kikoin, Y. F. Lu, T. Takayama, Y.-L. Mathis, A. W. Rost, H. Takagi, B. Keimer, and A. V. Boris We report the complex dielectric function of the quasi-one-dimensional chalcogenide Ta 2 NiSe 5 , which undergoes a structural phase transition presumably associated with exciton condensation below T c = 326 K [Y. Wakisaka et al. , Phys. Rev. Lett. 103 , 026402 (2009) ; Y. F. Lu et al. , Nat. Commun. 8 , 1440… [Phys. Rev. B 95, 195144] Published Fri May 19, 2017
    Keywords: Electronic structure and strongly correlated systems
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 6
    Publication Date: 2013-06-23
    Description: Crystal Growth & Design DOI: 10.1021/cg400541e
    Print ISSN: 1528-7483
    Electronic ISSN: 1528-7505
    Topics: Chemistry and Pharmacology , Geosciences , Physics
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  • 7
    Publication Date: 2013-12-22
    Description: Wind power has developed rapidly in recently years, the wind turbine's blades determine the performance of the device and the power. In this paper, we used integrated tailoring aimed at institutional characteristics of horizontal axis wind turbine with the composite laminated plate theory, then analyzed the composite blades of wind turbine by combining experimental analysis and finite elements method, and finally studied the influences that composite material properties on stiffness tailoring with changes in the number of different layers.
    Print ISSN: 1757-8981
    Electronic ISSN: 1757-899X
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
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  • 8
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 7052-7056 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Laser-induced periodical microstructure in a Si substrate covered with a thin layer of silicon dioxide has been studied using KrF excimer laser irradiation for controlling the periodicity. It was found that KrF excimer laser irradiation can produce periodical microstructures in SiO2/Si samples by a single pulse if the laser fluence is large enough when the SiO2 thickness is small. When the SiO2 layer is thick and more than one laser pulse is required, circular patterns can be observed due to the interface defects. The periodicity of the ripple structure linearly depends on the SiO2 thickness. The formation of microstructure does not change the thickness of the SiO2 layer and the crystallinity in the Si substrate. The ripple structure formation in the SiO2/Si structure is related to the thermally generated surface waves. The existence of a SiO2 layer on Si substrate can change the surface tension during the melting of the Si interface and hence control the periodicity of the ripple formation. The lateral periodicity and vertical roughness of the ripple structures are within the range required for laser microtexturing of magnetic recording media. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 80 (1996), S. 5837-5842 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: An investigation of the effect of rapid thermal annealing (RTA) on the electrical properties of rf sputtered silicon oxide films was carried out. The films were prepared with the argon sputtering pressure varied from 2 to 10 mTorr. It was found that the insulating property of the films improved when deposited at lower sputtering pressure. The as-deposited film with the highest conductivity was selected for the RTA experiments. It was found that RTA at T(approximately-greater-than)900 °C or at longer times reduces the interface trapped charge (Dit) and the fixed charge (Qf) densities to 1.8×1012 eV−1 cm−2 and 1.5×1012 cm−2, respectively. We concluded that RTA at a longer period of time is more effective in improving the film quality than raising the annealing temperature. Postmetallization anneal reduces Dit further to 3.5×1011 eV−1 cm−2. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 79 (1996), S. 2186-2191 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Audible acoustic wave generation during excimer laser interaction with materials has been investigated. It is found that the amplitudes of acoustic waves depend on laser fluence, pulse number, and substrate material characteristics and can be used to determine the nature of laser–material interactions. When laser fluence is below the ablation threshold of the materials, the amplitudes are reduced to zero at large pulse number due to the cleaning of contaminants on the substrate surface. As laser fluence becomes higher than the ablation threshold, the amplitudes of acoustic waves also reduce with increasing pulse number but to a constant level instead of zero due to laser ablation of substrate materials. Since the surface contamination can be completely removed by a few pulses at high laser fluence, the constant level is attributed to the material ablation. It is also found that the constant level increases with laser fluence. By establishing a relationship between the amplitudes and laser parameters, real-time monitoring of laser–solid interaction can be achieved. Fast Fourier transform analysis of the wave forms shows that there are several frequency components included in the acoustic waves with a peak around 10.9 kHz as the dominant one, which is related to laser material ablation. The monitoring of the acoustic wave emission can, therefore, be used to find the nature of laser–substrate interaction (i.e., surface cleaning or ablation), and to find the ablation threshold. © 1996 American Institute of Physics.
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