نتایج جستجو برای: 670

تعداد نتایج: 2984  

Journal: :Chemical communications 2004
Yan Zhao Bryce Sadtler Min Lin Gregory H Hockerman Alexander Wei

Submicron-sized Au particles and Au/SiO(2) nanocomposites (superparticles) as large as 670 nm have been introduced into tsA201 cells with minimal cell trauma by cationic transfection systems. Successful implantations can be characterized by the expression of co-transfected DNA.

Journal: :British medical journal 1957
N GJOL R DYBKAER J FUNDER

Systemic Lupus Erythematiiirf45, NMtD., F.R.C.P. ........................................ 655 The Lupus Erythematosus N9Dr-aUU Ift3 -5a NSON, M.D., M.R.C.P., and L. S. SACKER, M.B. 661 Care of the Elderly in General Practice JOHN FRY, M.D., F.R.C.S .......................... 666 Vulval and Perineal Toilet in the Puerperium R. T. MARTIN, M.B., M.R.C.O.G., H. E. REISS, B.M., M.R.C.O.G., and SHELA...

2013
Musa Özbay Vefa Kınış Salih Bakır Ediz Yorgancılar Ramazan Gün İsmail Topçu

Yazışma Adresi /Correspondence: Musa Özbay, Dicle University Faculty of Medicine, Department of Otorhinolaryngology, Diyarbakir, Turkey Email: [email protected] Geliş Tarihi / Received: 25.06.2013, Kabul Tarihi / Accepted: 09.07.2013 Copyright © Dicle Tıp Dergisi 2013, Her hakkı saklıdır / All rights reserved Dicle Tıp Dergisi / 2013; 40 (4): 668-670 Dicle Medical Journal doi: 10.5798/dicl...

Journal: :The Journal of social psychology 2002
George I Whitehead Stephanie H Smith

The funds for the videotapes were provided to the first author as an Institutional Research Grant from the Salisbury State University Grants and Sponsored Research Advisory Council. Address correspondence to George I. Whitehead III, Psychology Department, Salisbury State University, 1101 Camden Avenue, Salisbury, MD 21801; [email protected] (e-mail). The Journal of Social Psychology, 2002, 14...

Journal: :Science 2014
Juha Voipio Walter F Boron Stephen W Jones Ulrich Hopfer John A Payne Kai Kaila

Glykys et al. (Reports, 7 February 2014, p. 670) conclude that, rather than ion transporters, "local impermeant anions establish the neuronal chloride concentration" and thereby determine "the magnitude and direction of GABAAR currents at individual synapses." If this were possible, perpetual ion-motion machines could be constructed. The authors' conclusions conflict with basic thermodynamic pr...

2010
Nils Henning Zaiß Wolfgang Witte Ulrich Nübel

We characterized 670 Clostridium difficile isolates collected from patients in 84 hospitals in Germany in 2008. PCR ribotyping showed high prevalence of ribotype 001 and restricted dissemination of ribotype 027 strains. Fluoroquinolone resistance and associated gyrase mutations were frequent in various ribotypes, but no resistance to metronidazole or vancomycin was noted.

Journal: :Infection and immunity 1999
J N Weiser M Kapoor

The degrees of competence of opaque and transparent colony variants of Streptococcus pneumoniae were compared. The transparent variants were transformed at 9- to 670-fold-higher rates than the opaque variants, independent of the DNA incorporated, due to decreased expression of capsular polysaccharide. Genetic transformation, therefore, tends to select for a less-encapsulated subpopulation.

2013
Alan M. Cook Colin D. Joye Jeffrey P. Calame Khanh T. Nguyen David P. Chernin Alexander Vlasov David K. Abe Baruch Levush

We are developing a 95 GHz, 200 W, wideband vacuum electronic amplifier based on a 20 kV, 120 mA electron beam. The serpentine circuit is fabricated by multilayer UV-LIGA using an embedded polymer monofilament, which produces an all-copper monolithic structure with beam tunnel. We also discuss extension of the technique to upper millimeter-wave circuits at 670 GHz.

Journal: :Applied optics 2007
Jinxia Feng Yongmin Li Qin Liu Jianli Liu Kuanshou Zhang

We demonstrated a 670 mW continuous-wave single-frequency laser source at 780 nm by using external-cavity-enhanced second-harmonic generation of a seeded fiber amplifier in periodically poled lithium niobate. A maximum second-harmonic conversion efficiency of 58% was achieved. The source can work stably over 1 h by locking the frequency-doubling cavity, while the power stability is less than 2%.

Journal: :Chemical communications 2011
Akihiro Matsui Keitaro Umezawa Yutaka Shindo Tomohiko Fujii Daniel Citterio Kotaro Oka Koji Suzuki

We report a novel near-infrared fluorescent calcium probe (KFCA), which has good optical properties such as intense NIR fluorescence emission (670 nm, QY: 0.24), excellent ON/OFF ratio (120-fold), and good wavelength-compatibility with visible-light-emissive fluorophores (Fluo-4, DsRed2), and which is applicable for real-time dual-colour intracellular Ca(2+) imaging.

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