General

Bioheart Announces $3,000,000 Equity Facility

10.06.2011 General

SUNRISE, Fla., Oct. 6, 2011 (GLOBE NEWSWIRE) — Bioheart, Inc. (OTCBB:BHRT) a leader in the field of muscle-derived stem cell therapy for the treatment of scar tissue in damaged hearts, today announced that it has agreed on terms with an investor to pr…

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Miraca Holdings to Acquire Caris Life Sciences’ Anatomic Pathology Business

10.06.2011 General

TOKYO and Irving, Texas, Oct. 6, 2011 (GLOBE NEWSWIRE) — Miraca Holdings Inc. (“Miraca”), Japan’s largest clinical diagnostics and laboratory testing service provider, and Caris Life Sciences, Inc. (“CLS”), a privately-held company headquartered in Te…

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Demonstration of a room temperature 2.482.75 THz coherent spectroscopy source

10.05.2011 General

John C. Pearson, Brian J. Drouin, Alain Maestrini, Imran Mehdi, John Ward et al.<br/> We report the first demonstration of a continuous wave coherent source covering 2.482.75 THz, with greater than 10% instantaneous tuning bandwidth and having 114 [mu]W of output power at room temperature. This source is based on a 91.8101.8 GHz synthesizer followed by a power amplifier and three cas … [Rev. Sci. Instrum. 82, 093105 (2011)] published Mon Sep 19, 2011.

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Whispering-gallery acoustic sensing: Characterization of mesoscopic films and scanning probe microscopy applications

10.05.2011 General

Andres H. La Rosa, Nan Li, Rodolfo Fernandez, Xiaohua Wang, Richard Nordstrom et al.<br/> Full understanding of the physics underlying the striking changes in viscoelasticity, relaxation time, and phase transitions that mesoscopic fluid-like films undergo at solid-liquid interfaces, or under confinement between two sliding solid boundaries, constitutes one of the major challenges in cond … [Rev. Sci. Instrum. 82, 093704 (2011)] published Mon Sep 19, 2011.

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Independently driven four-probe method for local electrical characteristics in organic thin-film transistors under controlled channel potential

10.05.2011 General

S. Yoshimoto, T. Tsutsui, K. Mukai, and J. Yoshinobu<br/> We describe an independently driven four-probe method to investigate local channel mobility in organic field-effect transistors (OFETs). In OFET devices, probe-organic contact resistance affects device characteristics even in four-probe measurement because a change in contact resistance at the sourc … [Rev. Sci. Instrum. 82, 093902 (2011)] published Mon Sep 19, 2011.

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Changes in CR-39 proton sensitivity due to prolonged exposure to high vacuums relevant to the National Ignition Facility and OMEGA

10.05.2011 General

M. J.-E. Manuel, M. J. Rosenberg, N. Sinenian, H. Rinderknecht, A. B. Zylstra et al.<br/> When used at facilities like OMEGA and the NIF, CR-39 is exposed to high vacuum environments before and after irradiation by charged particles and neutrons. Using an electrostatic linear accelerator at MIT, studies have been conducted to investigate the effects of high vacuum exposure on the sensiti … [Rev. Sci. Instrum. 82, 095110 (2011)] published Mon Sep 19, 2011.

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A 2 MV Van de Graaff accelerator as a tool for planetary and impact physics research

10.05.2011 General

Anna Mocker, Sebastian Bugiel, Siegfried Auer, Gunter Baust, Andrew Colette et al.<br/> Investigating the dynamical and physical properties of cosmic dust can reveal a great deal of information about both the dust and its many sources. Over recent years, several spacecraft (e.g., Cassini, Stardust, Galileo, and Ulysses) have successfully characterised interstellar, interplanetary, and … [Rev. Sci. Instrum. 82, 095111 (2011)] published Mon Sep 19, 2011.

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Plasma-assisted catalytic ionization using porous nickel plate

10.05.2011 General

W. Oohara, T. Maeda, and T. Higuchi<br/> Hydrogen atomic pair ions, i.e., H and H ions, are produced by plasma-assisted catalytic ionization using a porous nickel plate. Positive ions in a hydrogen plasma generated by dc arc discharge are irradiated to the porous plate, and pair ions are produced from the back of the irradiation plane. It … [Rev. Sci. Instrum. 82, 093503 (2011)] published Tue Sep 20, 2011.

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A new nonlinear reconstruction method based on total variation regularization of neutron penumbral imaging

10.05.2011 General

Weixin Qian, Shuangxi Qi, Wanli Wang, Jinming Cheng, and Dongbing Liu<br/> Neutron penumbral imaging is a significant diagnostic technique in laser-driven inertial confinement fusion experiment. It is very important to develop a new reconstruction method to improve the resolution of neutron penumbral imaging. A new nonlinear reconstruction method based on total variation ( … [Rev. Sci. Instrum. 82, 093504 (2011)] published Tue Sep 20, 2011.

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An instrument for the investigation of actinides with spin resolved photoelectron spectroscopy and bremsstrahlung isochromat spectroscopy

10.05.2011 General

S.-W. Yu, J. G. Tobin, and B. W. Chung<br/> A new system for spin resolved photoelectron spectroscopy and bremsstrahlung isochromat spectroscopy has been built and commissioned at Lawrence Livermore National Laboratory for the investigation of the electronic structure of the actinides. Actinide materials are very toxic and radioactive and the … [Rev. Sci. Instrum. 82, 093903 (2011)] published Tue Sep 20, 2011.

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The magnetic-distortion probe: Velocimetry in conducting fluids

10.05.2011 General

Sophie Miralles, Gautier Verhille, Nicolas Plihon, and Jean-Francois Pinton<br/> A new type of velocimeter, capable of local velocity measurements in conducting fluids, is introduced. The principle of the magnetic-distortion probe is based on the measurement of the induced magnetic field by the flow of a conducting fluid in the vicinity of a localized magnetic field. The new vel … [Rev. Sci. Instrum. 82, 095112 (2011)] published Tue Sep 20, 2011.

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An experimental setup for high resolution 10.5 eV laser-based angle-resolved photoelectron spectroscopy using a time-of-flight electron analyzer

10.05.2011 General

M. H. Berntsen, O. Gotberg, and O. Tjernberg<br/> We present an experimental setup for laser-based angle-resolved time-of-flight photoemission. Using a picosecond pulsed laser, photons of energy 10.5 eV are generated through higher harmonic generation in xenon. The high repetition rate of the light source, variable between 0.2 and 8 MHz, enables hi … [Rev. Sci. Instrum. 82, 095113 (2011)] published Tue Sep 20, 2011.

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A tilt sensor with a compact dimension based on a long-period fiber grating

10.05.2011 General

Yunpeng Wang, Chun-Liu Zhao, Limin Hu, Xinyong Dong, Yongxing Jin et al.<br/> A tilt sensor with a compact dimension based on a long-period fiber grating (LPG) is proposed and experimentally demonstrated. The LPG is fixed in a rigid Plexi-glass tubular with a slant orientation and half of the LPG is immersed into the NaCl aqueous solutions, whereas the other half is exposed i … [Rev. Sci. Instrum. 82, 093106 (2011)] published Wed Sep 21, 2011.

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Note: An underwater multi-channel plasma array for water sterilization

10.05.2011 General

Y. Yang, H. Kim, A. Starikovskiy, Y. I. Cho, and A. Fridman<br/> A simple yet effective method to generate multi-channel plasma array in water is presented in this paper. Thin circular metal disks sandwiched between dielectric layers were used, allowing the production of large-volume underwater plasma array with higher stability. The system can be further scaled … [Rev. Sci. Instrum. 82, 096103 (2011)] published Wed Sep 21, 2011.

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Note: Femtosecond laser micromachining of straight and linearly tapered capillary discharge waveguides

10.05.2011 General

S. M. Wiggins, M. P. Reijnders, S. Abuazoum, K. Hart, G. H. Welsh et al.<br/> Gas-filled capillary discharge waveguides are important structures in laser-plasma interaction applications, such as the laser wakefield accelerator. We present the methodology for applying femtosecond laser micromachining in the production of capillary channels (typically 200300 [mu]m in diameter a … [Rev. Sci. Instrum. 82, 096104 (2011)] published Wed Sep 21, 2011.

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Optics clustered to output unique solutions: A multi-laser facility for combined single molecule and ensemble microscopy

10.05.2011 General

David T. Clarke, Stanley W. Botchway, Benjamin C. Coles, Sarah R. Needham, Selene K. Roberts et al.<br/> Optics clustered to output unique solutions (OCTOPUS) is a microscopy platform that combines single molecule and ensemble imaging methodologies. A novel aspect of OCTOPUS is its laser excitation system, which consists of a central core of interlocked continuous wave and pulsed laser sources, launche … [Rev. Sci. Instrum. 82, 093705 (2011)] published Thu Sep 22, 2011.

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Heat transfer simulation and thermal measurements of microfabricated x-ray transparent heater stages

10.05.2011 General

C. Baldasseroni, D. R. Queen, David W. Cooke, K. Maize, A. Shakouri et al.<br/> A microfabricated amorphous silicon nitride membrane-based nanocalorimeter is proposed to be suitable for an x-ray transparent sample platform with low power heating and built-in temperature sensing. In this work, thermal characterization in both air and vacuum are analyzed experimentally and via si … [Rev. Sci. Instrum. 82, 093904 (2011)] published Thu Sep 22, 2011.

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An anisotropic magneto resistive sensor with set/reset field

10.05.2011 General

D. F. He and M. Shiwa<br/> Using a set/reset magnetic field, an anisotropic magneto resistive (AMR) magnetic field sensing system was developed to reduce the low frequency noise of an AMR sensor. The magnetic field resolution of the AMR sensor was improved by about three times at the frequencies below 30 Hz and a magnetic fie … [Rev. Sci. Instrum. 82, 094703 (2011)] published Thu Sep 22, 2011.

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Design, construction, and testing of a large-cavity, 1-10 GHz Flygare-Balle spectrometer

10.05.2011 General

Stephen G. Kukolich and Laszlo C. Sarkozy<br/> A large pulsed-beam, Fourier transform microwave spectrometer employing 48 in. diameter mirrors and 35 (NHS-35) diffusion pump has been constructed at the University of Arizona. The Fabry-Perot-type cavity, using the large mirrors provides Q-values in the 15 000 to 40 000 range. Test spectra were ob … [Rev. Sci. Instrum. 82, 094103 (2011)] published Fri Sep 23, 2011.

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Note: Anti-strong-disturbance signal processing method of vortex flowmeter with two sensors

10.05.2011 General

Ke-Jun Xu, Qing-Lin Luo, Ming Fang, Gang Wang, San-Shan Liu et al.<br/> Some digital signal processing methods have been used to deal with the output signal of vortex flowmeter for extracting the flow rate frequency from the noisy output of vortex flow rate sensor and achieving the measurement of small flow rate. In applications, however, the power of noise is larger th … [Rev. Sci. Instrum. 82, 096105 (2011)] published Fri Sep 23, 2011.

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Spatially resolved charge-state and current-density distributions at the extraction of an electron cyclotron resonance ion source

10.05.2011 General

Lauri Panitzsch, Thies Peleikis, Michael Stalder, and Robert F. Wimmer-Schweingruber<br/> In this paper we present our measurements of charge-state and current-density distributions performed in very close vicinity (15 mm) of the extraction of our hexapole geometry electron cyclotron resonance ion source. We achieved a relatively high spatial resolution reducing the aperture of our 3D-mo … [Rev. Sci. Instrum. 82, 093302 (2011)] published Mon Sep 26, 2011.

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Repetitive operation of switchless transverse flow transversely excited atmosphere CO lasers

10.05.2011 General

Gautam C. Patil, J. Padma Nilaya, and D. J. Biswas<br/> The enhanced preionisation efficiency of a mutually coupled parallel spark preioniser has been exploited to achieve switchless operation of a transversely excited atmosphere (TEA) CO laser in the conventional transverse gas flow configuration. This made the laser more compatible to repetitive operat … [Rev. Sci. Instrum. 82, 093107 (2011)] published Mon Sep 26, 2011.

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A state observer for the Virgo inverted pendulum

10.05.2011 General

T. Accadia, F. Acernese, P. Astone, G. Ballardin, F. Barone et al.<br/> We report an application of Kalman filtering to the inverted pendulum (IP) of the Virgo gravitational wave interferometer. Using subspace method system identification techniques, we calculated a linear mechanical model of Virgo IP from experimental transfer functions. We then developed a Kalman filt … [Rev. Sci. Instrum. 82, 094502 (2011)] published Mon Sep 26, 2011.

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Electrochemical isothermal-capacitance-transient spectroscopy: A new depth profiling method of deep levels

10.05.2011 General

S. Q. Wang, F. Lu, D. C. Oh, J. H. Chang, T. Hanada et al.<br/> The authors report on a new depth profiling method of deep levels, which we call electrochemical isothermal-capacitance-transient spectroscopy (EICTS). This is combined with electrochemical capacitance-voltage using the Schottky barrier of etchable electrolyte and isothermal-capacitance-transient sp … [Rev. Sci. Instrum. 82, 093905 (2011)] published Mon Sep 26, 2011.

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Viscosity measurements of liquids under pressure by using the quartz crystal resonators

10.05.2011 General

J.-L. Daridon, M. Cassiede, J. H. Paillol, and J. Pauly<br/> A quartz crystal viscometer has been developed for measuring viscosity in liquids under pressure. It employs an AT-cut quartz crystal resonator of fundamental frequency 3 MHz inserted in a variable-volume vessel designed for working up to 80 MPa. Viscosity is determined by two methods from resonance … [Rev. Sci. Instrum. 82, 095114 (2011)] published Mon Sep 26, 2011.

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Note: A high transmission Faraday optical isolator in the 9.2 [mu]m range

10.05.2011 General

Laurent Hilico, Albane Douillet, Jean-Philippe Karr, and Eric Tournie<br/> We have fabricated and characterized an n-doped InSb Faraday isolator in the mid-IR range (9.2 [mu]m). A high isolation ratio (31(2) dB) and low insertion loss (1.9(3) dB) are obtained. Temperature dependance is analyzed. Further possible improvements are discussed, including the realization of a tw … [Rev. Sci. Instrum. 82, 096106 (2011)] published Mon Sep 26, 2011.

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A traveling wave decelerator for neutral polar molecules

10.05.2011 General

Samuel A. Meek, Maxwell F. Parsons, Georg Heyne, Viktor Platschkowski, Henrik Haak et al.<br/> Recently, a decelerator for neutral polar molecules has been presented that operates on the basis of macroscopic, three-dimensional, traveling electrostatic traps [A. Osterwalder, S. A. Meek, G. Hammer, H. Haak, and G. Meijer, Phys. Rev. A 81, 051401 (2010)]. In the present paper, a complete descrip … [Rev. Sci. Instrum. 82, 093108 (2011)] published Tue Sep 27, 2011.

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A synchronized emissive probe for time-resolved plasma potential measurements of pulsed discharges

10.05.2011 General

Jason M. Sanders, Albert Rauch, Rueben J. Mendelsberg, and Andre Anders<br/> A pulsed emissive probe technique is presented for measuring the plasma potential of pulsed plasma discharges. The technique provides time-resolved data and features minimal disturbance of the plasma achieved by alternating probe heating with the generation of plasma. Time resolution of about 20 ns … [Rev. Sci. Instrum. 82, 093505 (2011)] published Tue Sep 27, 2011.

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