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https://www.readbyqxmd.com/read/27911439/evidence-for-a-role-of-viruses-in-the-thermal-sensitivity-of-coral-photosymbionts
#1
Rachel Ashley Levin, Christian Robert Voolstra, Karen Dawn Weynberg, Madeleine Josephine Henriette van Oppen
Symbiodinium, the dinoflagellate photosymbiont of corals, is posited to become more susceptible to viral infections when heat-stressed. To investigate this hypothesis, we mined transcriptome data of a thermosensitive and a thermotolerant type C1 Symbiodinium population at ambient (27 °C) and elevated (32°C) temperatures. We uncovered hundreds of transcripts from nucleocytoplasmic large double-stranded DNA viruses (NCLDVs) and the genome of a novel positive-sense single-stranded RNA virus (+ssRNAV). In the transcriptome of the thermosensitive population only, +ssRNAV transcripts had remarkable expression levels in the top 0...
December 2, 2016: ISME Journal
https://www.readbyqxmd.com/read/27911373/the-mouse-isolated-perfused-kidney-technique
#2
Jan Czogalla, Frank Schweda, Johannes Loffing
The mouse isolated perfused kidney (MIPK) is a technique for keeping a mouse kidney under ex vivo conditions perfused and functional for 1 hr. This is a prerequisite for studying the physiology of the isolated organ and for many innovative applications that may be possible in the future, including perfusion decellularization for kidney bioengineering or the administration of anti-rejection or genome-editing drugs in high doses to prime the kidney for transplantation. During the time of the perfusion, the kidney can be manipulated, renal function can be assessed, and various pharmaceuticals administered...
November 17, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911127/immediate-and-lasting-effects-of-a-thoracic-spine-manipulation-in-a-patient-with-signs-of-cervical-radiculopathy-and-upper-extremity-hyperalgesia-a-case-report
#3
Beth K Deschenes, Jason Zafereo
Patients with cervical radiculopathy (CR) may present with accompanying symptoms of hyperalgesia, allodynia, heaviness in the arm, and non-segmental pain that do not appear to be related to a peripheral spinal nerve. These findings may suggest the presence of central or autonomic nervous system involvement, requiring a modified management approach. The purpose of this case report is to describe the treatment of a patient with signs of CR and upper extremity (UE) hyperalgesia who had a significant decrease in her UE pain and hypersensitivity after a single thoracic spine manipulation (TSM)...
December 2, 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27911021/a-rapid-and-simple-liquid-chromatography-tandem-mass-spectrometry-method-for-the-measurement-of-testosterone-androstenedione-and-dehydroepiandrosterone-in-human-serum
#4
Wenjuan Xu, Huijun Li, Qing Guan, Ying Shen, Liming Cheng
BACKGROUND: The assay of androgens plays an important role for the differential diagnosis of androgen-related endocrine diseases. We developed a rapid and simple liquid chromatography tandem mass spectrometry (LC-MS/MS) method with small sample volume and simple sample preparation for simultaneous determination of serum testosterone, androstenedione and dehydroepiandrosterone (DHEA) in adults. METHODS: We spiked 100 μL of serum with 200 μL of internal standard solution, which was prepared in methanol, for matrix effect relief and protein precipitation...
December 2, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27910932/oer-activity-manipulated-by-iro6-coordination-geometry-an-insight-from-pyrochlore-iridates
#5
Wei Sun, Ji-Yuan Liu, Xue-Qing Gong, Waqas-Qamar Zaman, Li-Mei Cao, Ji Yang
The anodic reaction of oxygen evolution reaction (OER), an important point for electrolysis, however, remains the obstacle due to its complicated reaction at electrochemical interfaces. Iridium oxide (IrO2) is the only currently known 5d transition metal oxide possessing admirable OER activity. Tremendous efforts have been carried out to enhance the activity of iridium oxides. Unfortunately there lies a gap in understanding what factors responsible for the activity in doped IrO2 or the novel crystal structure...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910914/in-vivo-stepwise-immunomodulation-using-chitosan-nanoparticles-as-a-platform-nanotechnology-for-cancer-immunotherapy
#6
Hee Dong Han, Yeongseon Byeon, Jong-Hwa Jang, Hat Nim Jeon, Ga Hee Kim, Min Gi Kim, Chan-Gi Pack, Tae Heung Kang, In Duk Jung, Yong Taik Lim, Young Joo Lee, Jeong-Won Lee, Byung Cheol Shin, Hyung Jun Ahn, Anil K Sood, Yeong-Min Park
Dentritic cell (DC)-based cancer immunotherapy faces challenges in both efficacy and practicality. However, DC-based vaccination requires multiple injections and elaborates ex vivo manipulation, which substantially limits their use. Therefore, we sought to develop a chitosan nanoparticle (CH-NP)-based platform for the next generation of vaccines to bypass the ex vivo manipulation and induce immune responses via active delivery of polyinosinic-polycytidylic acid sodium salt (poly I:C) to target Toll-like receptor 3 (TLR3) in endosomes...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910911/human-mesenchymal-stem-cells-program-macrophage-plasticity-by-altering-their-metabolic-status-via-a-pge2-dependent-mechanism
#7
Anoop Babu Vasandan, Sowmya Jahnavi, Chandanala Shashank, Priya Prasad, Anujith Kumar, S Jyothi Prasanna
Mesenchymal stem cells (MSCs) are speculated to act at macrophage-injury interfaces to mediate efficient repair. To explore this facet in-depth this study evaluates the influence of MSCs on human macrophages existing in distinct functional states. MSCs promoted macrophage differentiation, enhanced respiratory burst and potentiated microbicidal responses in naïve macrophages (Mφ). Functional attenuation of inflammatory M1 macrophages was associated with a concomitant shift towards alternatively activated M2 state in MSC-M1 co-cultures...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910684/a-stretch-compress-scheme-for-a-high-temporal-resolution-detector-for-the-magnetic-recoil-spectrometer-time-mrst
#8
T J Hilsabeck, J A Frenje, J D Hares, C W Wink
A time-resolved detector concept for the magnetic recoil spectrometer for time-resolved measurements of the NIF neutron spectrum is presented. The measurement is challenging due to the time spreading of the recoil protons (or deuterons) as they transit an energy dispersing magnet system. Ions arrive at the focal plane of the magnetic spectrometer over an interval of tens of nanoseconds. We seek to measure the time-resolved neutron spectrum with 20 ps precision by manipulating an electron signal derived from the ions...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910638/two-crystal-x-ray-spectrometers-for-omega-experiments
#9
C Reverdin, A Casner, F Girard, L Lecherbourg, B Loupias, V Tassin, F Philippe
Two x-ray spectrometers have been built for x-ray spectroscopy of laser-produced plasmas on OMEGA at the Laboratory for Laser Energetics (LLE) by Commissariat à l'Energie Atomique et aux énergies alternatives (CEA). The accessible photon energy range is from 1.5 to 20 keV. The first spectrometer, called X-ray CEA Crystal Spectrometer with a Charge-Injection Device (XCCS-CID), records three spectra with three crystals coupled to a time integrated CID camera. The second one, called X-ray CEA Crystal Spectrometer (XCCS) with a framing camera, is time resolved and records four spectra with two crystals on the four frames of a framing camera...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910563/a-neutron-activation-spectrometer-and-neutronic-experimental-platform-for-the-national-ignition-facility-invited
#10
C B Yeamans, N Gharibyan
At the National Ignition Facility, the diagnostic instrument manipulator-based neutron activation spectrometer is used as a diagnostic of implosion performance for inertial confinement fusion experiments. Additionally, it serves as a platform for independent neutronic experiments and may be connected to fast recording systems for neutron effect tests on active electronics. As an implosion diagnostic, the neutron activation spectrometers are used to quantify fluence of primary DT neutrons, downscattered neutrons, and neutrons above the primary DT neutron energy created by reactions of upscattered D and T in flight...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910449/a-stabilized-laser-continuously-tunable-over-a-range-of-1-5-ghz
#11
B L Fan, W Xiong, S G Wang, L J Wang
We demonstrate a method to stabilize laser frequency which can be continuously tuned over a range of 1.5 GHz. It is based on saturated absorption spectroscopy (SAS) generated by an external-cavity diode laser (ECDL) which is modulated by an electro-optic amplitude modulator (EO-AM). The spectra consist of not only the original peaks corresponding to resonant and crossover lines of (133)Cs D2 line, but also signals introduced by sidebands from an EO-AM. Thus, the laser frequency can be locked to any point within the range of the spectra...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910374/development-of-a-high-resolution-x-ray-spectrometer-for-the-national-ignition-facility-nif
#12
K W Hill, M Bitter, L Delgado-Aparicio, P C Efthimion, R Ellis, L Gao, J Maddox, N A Pablant, M B Schneider, H Chen, S Ayers, R L Kauffman, A G MacPhee, P Beiersdorfer, R Bettencourt, T Ma, R C Nora, H A Scott, D B Thorn, J D Kilkenny, D Nelson, M Shoup, Y Maron
A high resolution (E/ΔE = 1200-1800) Bragg crystal x-ray spectrometer is being developed to measure plasma parameters in National Ignition Facility experiments. The instrument will be a diagnostic instrument manipulator positioned cassette designed mainly to infer electron density in compressed capsules from Stark broadening of the helium-β (1s(2)-1s3p) lines of krypton and electron temperature from the relative intensities of dielectronic satellites. Two conically shaped crystals will diffract and focus (1) the Kr Heβ complex and (2) the Heα (1s(2)-1s2p) and Lyα (1s-2p) complexes onto a streak camera photocathode for time resolved measurement, and a third cylindrical or conical crystal will focus the full Heα to Heβ spectral range onto an image plate to provide a time integrated calibration spectrum...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910356/control-and-automation-of-the-pegasus-multi-point-thomson-scattering-system
#13
G M Bodner, M W Bongard, R J Fonck, J A Reusch, C Rodriguez Sanchez, D J Schlossberg
A new control system for the Pegasus Thomson scattering diagnostic has recently been deployed to automate the laser operation, data collection process, and interface with the system-wide Pegasus control code. Automation has been extended to areas outside of data collection, such as manipulation of beamline cameras and remotely controlled turning mirror actuators to enable intra-shot beam alignment. Additionally, the system has been upgraded with a set of fast (∼1 ms) mechanical shutters to mitigate contamination from background light...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910344/icrf-wave-field-measurements-in-the-presence-of-scrape-off-layer-turbulence-on-the-asdex-upgrade-tokamak-invited
#14
R Ochoukov, V Bobkov, H Faugel, H Fünfgelder, J Jacquot, J-M Noterdaeme, G Suárez López
A new array of B-dot probes was installed on ASDEX Upgrade. The purpose of the new diagnostic is to study Ion Cyclotron Range-off Frequencies (ICRF) wave field distributions in the evanescent scrape-off layer (SOL) plasma region on the low field side of ASDEX Upgrade. The vacuum measurements (no gas, BT = 0 T) reveal ICRF wave field measurements consistent with the profiles expected from the newly installed 3-strap ICRF antennas outside the antenna box: the shape of the toroidal distribution of both the amplitude and the phase is the same for the case of only the central straps being active, as for the case of only the side straps being active...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910317/cryogenic-setup-for-trapped-ion-quantum-computing
#15
M F Brandl, M W van Mourik, L Postler, A Nolf, K Lakhmanskiy, R R Paiva, S Möller, N Daniilidis, H Häffner, V Kaushal, T Ruster, C Warschburger, H Kaufmann, U G Poschinger, F Schmidt-Kaler, P Schindler, T Monz, R Blatt
We report on the design of a cryogenic setup for trapped ion quantum computing containing a segmented surface electrode trap. The heat shield of our cryostat is designed to attenuate alternating magnetic field noise, resulting in 120 dB reduction of 50 Hz noise along the magnetic field axis. We combine this efficient magnetic shielding with high optical access required for single ion addressing as well as for efficient state detection by placing two lenses each with numerical aperture 0.23 inside the inner heat shield...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27910074/evolutional-characterization-of-photochemically-induced-stroke-in-rats-a-multimodality-imaging-and-molecular-biological-study
#16
Nai-Wei Liu, Chien-Chih Ke, Yonghua Zhao, Yi-An Chen, Kim-Chuan Chan, David Tat-Wei Tan, Jhih-Shian Lee, You-Yin Chen, Tun-Wei Hsu, Ya-Ju Hsieh, Chi-Wei Chang, Bang-Hung Yang, Wen-Sheng Huang, Ren-Shyan Liu
Photochemically induced cerebral ischemia is an easy-manipulated, reproducible, relatively noninvasive, and lesion controllable model for translational study of ischemic stroke. In order to longitudinally investigate the characterization of the model, magnetic resonance imaging, (18)F-2-deoxy-glucose positron emission tomography, fluorescence, and bioluminescence imaging system were performed in correlation with triphenyl tetrazolium chloride (TTC), hematoxylin-eosin staining, and immunohistochemistry examinations of glial fibrillary acidic protein, CD68, NeuN, von willebrand factor, and α-smooth muscle actin in the infarct zone...
December 1, 2016: Translational Stroke Research
https://www.readbyqxmd.com/read/27910049/gene-transfer-in-cardiomyocytes-derived-from-es-and-ips-cells
#17
Francesca Stillitano, Ioannis Karakikes, Roger J Hajjar
The advent of human induced pluripotent stem cell (hiPSC) technology has produced patient-specific hiPSC derived cardiomyocytes (hiPSC-CMs) that can be used as a platform to study cardiac diseases and to explore new therapies.The ability to genetically manipulate hiPSC-CMs not only is essential for identifying the structural and/or functional role of a protein but can also provide valuable information regarding therapeutic applications. In this chapter, we describe protocols for culture, maintenance, and cardiac differentiation of hiPSCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27910003/bone-marrow-t-cell-percentage-a-novel-prognostic-indicator-in-acute-myeloid-leukemia
#18
Manar M Ismail, Nahla A B Abdulateef
Acute myeloid leukemia (AML) is an aggressive malignancy for which overall disease-free survival is less than 50%. Manipulation of the immune system is an interesting and promising therapy for AML patients. We aimed to characterize the immune system of AML patients, highlighting the clinical relevance of total bone marrow (BM) lymphocytes and subpopulations. Sixty-six new AML cases diagnosed according to WHO criteria from King Abdullah Medical City, KSA, from October 2012 to February 2015. Analysis of BM lymphocytes and subpopulations was done by flowcytometry...
December 1, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27909672/arthroscopic-360%C3%A2-capsular-release-for-adhesive-capsulitis-in-the-lateral-decubitus-position
#19
Gregory L Cvetanovich, Timothy Leroux, Jason T Hamamoto, John D Higgins, Anthony A Romeo, Nikhil N Verma
Idiopathic adhesive capsulitis of the shoulder is a relatively common condition that results in pain and loss of motion due to capsular thickening and fibrosis. Most cases are successfully treated with conservative management including physical therapy and intra-articular steroid injections. If conservative management fails, arthroscopic capsular release allows precise release of thickened capsular tissue with a lower risk of complications and less soft-tissue trauma than manipulation under anesthesia alone...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27909483/from-incidental-mechanically-induced-arrhythmias-to-reflex-defined-arrhythmogenicity-on-the-track-of-the-ternary-reflex-system-resemblance-to-the-infancy-of-new-era-or-rediscovery
#20
REVIEW
Petras Stirbys Md PhD
The underlying pathophysiology of supraventricular and ventricular arrhythmias remains a matter of intense investigation. Though evolving, the contemporary explanations do not encompass all aspects of arrhythmogenicity. An improved understanding of arrhythmia substrate is needed to augment therapeutic capabilities. Our observation and literature sources demonstrate relatively high incidence of transitory arrhythmias which are non-intentionally generated by the endocardial lead/catheter manipulation. These findings are interesting and potentially may crystallize the reflex-dependent proarrhythmic cardiac activity...
February 2016: Journal of Atrial Fibrillation
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