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https://www.readbyqxmd.com/read/27910419/design-and-fabrication-of-a-window-for-the-gas-cherenkov-detector-3
#1
V E Fatherley, D A Bingham, M D Cartelli, R A DiDomizio, J R Griego, H W Herrmann, F E Lopez, J A Oertel, M J Pollack
The gas Cherenkov detector 3 was designed at Los Alamos National Laboratory for use in inertial confinement fusion experiments at both the Omega Laser Facility and the National Ignition Facility. This instrument uses a low-Z gamma-to-electron convertor plate and high pressure gas to convert MeV gammas into UV/visible Cherenkov photons for fast optical detection. This is a follow-on diagnostic from previous versions, with two notable differences: the pressure of the gas is four times higher, and it allows the use of fluorinated gas, requiring metal seals...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909668/triple-row-modification-of-the-suture-bridge-technique-for-arthroscopic-rotator-cuff-repair
#2
Roger V Ostrander, Jarrod Smith, Michael Saper
Recent advances to improve outcomes in rotator cuff repair include using arthroscopic double-row suture-bridge techniques in an effort to reconstruct the rotator cuff footprint and improve fixation. However, when using this technique for larger tears, it can be difficult to get the lateral portion of the rotator cuff into an anatomic position. This report describes a triple-row modification of the suture-bridge technique that results in significantly more footprint contact area and contact pressure compared with the double-row and standard suture-bridge techniques...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27907934/restriction-of-postoperative-joint-loading-in-a-murine-model-of-anterior-cruciate-ligament-reconstruction-botulinum-toxin-paralysis-and-external-fixation
#3
Amir Lebaschi, Xiang-Hua Deng, Nathan W Coleman, Christopher L Camp, Jianchun Zong, Andrew Carbone, Camila B Carballo, Guang-Ting Cong, Zoe M Album, Scott A Rodeo
Control of knee motion in small animal models is necessary to study the effect of mechanical load on the healing process. This can be especially challenging in mice, which are being increasingly used for various orthopedic reconstruction models. We explored the feasibility of botulinum toxin (Botox; Allergan, Dublin, Ireland) paralysis and a newly designed external fixator to restrict motion of the knee in mice undergoing anterior cruciate ligament (ACL) reconstruction. Nineteen C57BL/6 mice were allocated to two groups: (1) Botox group (n = 9) and (2) external fixator group (n = 10)...
December 1, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27906331/compact-silicon-photonic-resonance-sssisted-variable-optical-attenuator
#4
Xiaoxi Wang, Ryan Aguinaldo, Anthony Lentine, Christopher DeRose, Andrew L Starbuck, Douglas Trotter, Andrew Pomerene, Shayan Mookherjea
A two-part silicon photonic variable optical attenuator is demonstrated in a compact footprint which can provide a high extinction ratio at wavelengths between 1520 nm and 1620 nm. The device was made by following the conventional p-i-n waveguide section by a high-extinction-ratio second-order microring filter section. The rings provide additional on-off contrast by utilizing a thermal resonance shift, which harvested the heat dissipated by current injection in the p-i-n junction. We derive and discuss a simple thermal-resistance model in explanation of these effects...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27904809/a-revision-of-tetrapod-footprints-from-the-late-carboniferous-of-the-west-midlands-uk
#5
Luke E Meade, Andrew S Jones, Richard J Butler
A series of sandstone slabs from Hamstead, Birmingham (West Midlands, UK), preserve an assemblage of tetrapod trackways and individual tracks from the Enville Member of the Salop Formation (late Carboniferous: late Moscovian-Kasimovian). This material has received limited previous study, despite being one of the few British sites to preserve Carboniferous tetrapod footprints. Here, we restudy and revise the taxonomy of this material, and document it using 3D models produced using photogrammetry. The assemblage is dominated by large tracks assigned to Limnopus isp...
2016: PeerJ
https://www.readbyqxmd.com/read/27903649/structural-mechanism-underpinning-cross-reactivity-of-a-cd8-t-cell-clone-that-recognises-a-peptide-derived-from-human-telomerase-reverse-transcriptase
#6
David K Cole, Hugo A van den Berg, Angharad Lloyd, Michael D Crowther, Konrad Beck, Julia Ekeruche-Makinde, John J Miles, Anna M Bulek, Garry Dolton, Andrea J Schauenburg, Aaron Wall, Anna Fuller, Mathew Clement, Bruno Laugel, Pierre J Rizkallah, Linda Wooldridge, Andrew K Sewell
T-cell cross-reactivity is essential for effective immune surveillance, but has also been implicated as a pathway to autoimmunity. Previous studies have demonstrated that T-cell receptors (TCRs) that focus on a minimal motif within the peptide are able to facilitate a high level of T-cell cross-reactivity. However, the structural database shows that most TCRs exhibit less focussed antigen binding involving contact with more peptide residues. To further explore the structural features that allow the clonally expressed TCR to functionally engage with multiple peptide-major histocompatibility complexes (pMHCs), we examined the ILA1 CD8+ T-cell clone that responds to a peptide sequence derived from human telomerase reverse transcriptase (hTERT)...
November 30, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27899674/cdd-sparcle-functional-classification-of-proteins-via-subfamily-domain-architectures
#7
Aron Marchler-Bauer, Yu Bo, Lianyi Han, Jane He, Christopher J Lanczycki, Shennan Lu, Farideh Chitsaz, Myra K Derbyshire, Renata C Geer, Noreen R Gonzales, Marc Gwadz, David I Hurwitz, Fu Lu, Gabriele H Marchler, James S Song, Narmada Thanki, Zhouxi Wang, Roxanne A Yamashita, Dachuan Zhang, Chanjuan Zheng, Lewis Y Geer, Stephen H Bryant
NCBI's Conserved Domain Database (CDD) aims at annotating biomolecular sequences with the location of evolutionarily conserved protein domain footprints, and functional sites inferred from such footprints. An archive of pre-computed domain annotation is maintained for proteins tracked by NCBI's Entrez database, and live search services are offered as well. CDD curation staff supplements a comprehensive collection of protein domain and protein family models, which have been imported from external providers, with representations of selected domain families that are curated in-house and organized into hierarchical classifications of functionally distinct families and sub-families...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899623/combining-transcription-factor-binding-affinities-with-open-chromatin-data-for-accurate-gene-expression-prediction
#8
Florian Schmidt, Nina Gasparoni, Gilles Gasparoni, Kathrin Gianmoena, Cristina Cadenas, Julia K Polansky, Peter Ebert, Karl Nordström, Matthias Barann, Anupam Sinha, Sebastian Fröhler, Jieyi Xiong, Azim Dehghani Amirabad, Fatemeh Behjati Ardakani, Barbara Hutter, Gideon Zipprich, Bärbel Felder, Jürgen Eils, Benedikt Brors, Wei Chen, Jan G Hengstler, Alf Hamann, Thomas Lengauer, Philip Rosenstiel, Jörn Walter, Marcel H Schulz
The binding and contribution of transcription factors (TF) to cell specific gene expression is often deduced from open-chromatin measurements to avoid costly TF ChIP-seq assays. Thus, it is important to develop computational methods for accurate TF binding prediction in open-chromatin regions (OCRs). Here, we report a novel segmentation-based method, TEPIC, to predict TF binding by combining sets of OCRs with position weight matrices. TEPIC can be applied to various open-chromatin data, e.g. DNaseI-seq and NOMe-seq...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899355/the-anatomic-centers-of-the-femoral-and-tibial-insertions-of-the-anterior-cruciate-ligament-a-systematic-review-of-imaging-and-cadaveric-studies-reporting-normal-center-locations
#9
Anagha P Parkar, Miraude E A P M Adriaensen, Søren Vindfeld, Eirik Solheim
BACKGROUND: The anterior cruciate ligament (ACL) is regularly reconstructed if knee joint function is impaired. Anatomic graft tunnel placement, often assessed with varying measurement methods, in the femur and tibia is considered important for an optimal clinical outcome. A consensus on the exact location of the femoral and tibial footprint centers is lacking. PURPOSE: To systematically review the literature regarding anatomic centers of the femoral and tibial ACL footprints and assess the mean, median, and percentiles of normal centers...
November 29, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27898793/increasing-soluble-phosphate-species-by-treatment-of-phosphate-rocks-with-acidic-waste
#10
Wedisson O Santos, Dean Hesterberg, Edson M Mattiello, Leonardus Vergütz, Matheus S C Barreto, Ivo R Silva, Luiz F S Souza Filho
The development of efficient fertilizers with a diminished environmental footprint will help meet the increasing demand for food and nutrients by a growing global population. Our objective was to evaluate whether an acidic mine waste (AMW) could be used beneficially by reacting it with sparingly soluble phosphate rocks (PRs) to produce more soluble P fertilizer materials. Three PRs from Brazil and Peru were reacted with different concentrations of AMW. Changes in mineralogy and P species were determined using a combination of X-ray diffraction and phosphorus K-edge XANES spectroscopy, in addition to extractable P concentrations...
November 2016: Journal of Environmental Quality
https://www.readbyqxmd.com/read/27894834/a-podoscopic-and-descriptive-study-of-foot-deformities-in-patients-with-down-syndrome
#11
E Mansour, J J Yaacoub, Z Bakouny, A Assi, I Ghanem
INTRODUCTION: Subjects with Down syndrome (DS) are known to be affected by various foot deformities. Despite the fact that some of these deformities have been reported in the literature, a more comprehensive description would be of benefit. The aim of this study is to investigate the prevalence of known foot deformities in patients with DS and of other previously non-described foot anomalies in this population. HYPOTHESIS: Subjects with DS have an increased prevalence of foot deformities compared to control subjects...
November 25, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27893345/quo-vadis-the-future-of-psychoanalysis
#12
Mauricio Cortina
Although contemporary psychoanalysis is split into different schools and traditions, there is growing support for some of the main tenets of contemporary psychodynamic thinking from attachment theory, infant research, developmental psychopathology, new models of motivation, the neuroscience of emotions and emotional regulation, and the discovery of different implicit and explicit memory systems. These tenets, which psychodynamic clinicians of all stripes encounter in their daily work with clients, are the following: (1) that large footprints are left over from infancy and childhood which involved insensitive, intrusive, frightening, or shaming care; (2) the carryover of these relational experiences into adulthood are expressed as unconscious expectations and attributions we make of others (transference and countertransference; (3) defensive processes and emotional regulation and deregulatory patterns develop to cope with these unhealthy relations...
December 2016: Psychoanalytic Review
https://www.readbyqxmd.com/read/27891833/metabolomics-guided-insights-on-bariatric-surgery-versus-behavioral-interventions-for-weight-loss
#13
REVIEW
Sara Tulipani, Jules Griffin, Magali Palau-Rodriguez, Ximena Mora-Cubillos, Rosa M Bernal-Lopez, Francisco J Tinahones, Barbara E Corkey, Cristina Andres-Lacueva
OBJECTIVE: To review the metabolomic studies carried out so far to identify metabolic markers associated with surgical and dietary treatments for weight loss in subjects with obesity. METHODS: The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. RESULTS: Thirty-two studies successfully met the eligibility criteria. The metabolic adaptations shared by surgical and dietary interventions mirrored a state of starvation ketoacidosis (increase of circulating ketone bodies), an increase of acylcarnitines and fatty acid β-oxidation, a decrease of specific amino acids including branched-chain amino acids (BCAA) and (lyso)glycerophospholipids previously associated with obesity, and adipose tissue expansion...
December 2016: Obesity
https://www.readbyqxmd.com/read/27890533/full-thickness-tears-of-the-supraspinatus-tendon-a-three-dimensional-finite-element-analysis
#14
C Quental, J Folgado, J Monteiro, M Sarmento
Knowledge regarding the likelihood of propagation of supraspinatus tears is important to allow an early identification of patients for whom a conservative treatment is more likely to fail, and consequently, to improve their clinical outcome. The aim of this study was to investigate the potential for propagation of posterior, central, and anterior full-thickness tears of different sizes using the finite element method. A three-dimensional finite element model of the supraspinatus tendon was generated from the Visible Human Project data...
November 16, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27883060/environmental-intervention-as-a-therapy-for-adverse-programming-by-ancestral-stress
#15
J Keiko McCreary, Zachary T Erickson, YongXin Hao, Yaroslav Ilnytskyy, Igor Kovalchuk, Gerlinde A S Metz
Ancestral stress can program stress sensitivity and health trajectories across multiple generations. While ancestral stress is uncontrollable to the filial generations, it is critical to identify therapies that overcome transgenerational programming. Here we report that prenatal stress in rats generates a transgenerationally heritable endocrine and epigenetic footprint and elevated stress sensitivity which can be alleviated by beneficial experiences in later life. Ancestral stress led to downregulated glucocorticoid receptor and prefrontal cortex neuronal densities along with precocious development of anxiety-like behaviours...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27881831/the-effect-of-suture-anchor-insertion-angle-on-calcaneus-pullout-strength-challenging-the-deadman-s-angle
#16
William M Weiss, Ramon P Saucedo, John D Robinson, Chung-Chieh Jason Lo, Randal P Morris, Vinod K Panchbhavi
: Background Refractory cases of Achilles tendinopathy amenable to surgery may include reattachment of the tendon using suture anchors. However, there is paucity of information describing the optimal insertion angle to maximize the tendon footprint and anchor stability in the calcaneus. The purpose of this investigation is to compare the fixation strength of suture anchors inserted at 90° and 45° (the Deadman's angle) relative to the primary compressive trabeculae of the calcaneus. Methods A total of 12 matched pairs of adult cadaveric calcanei were excised and potted to approximate their alignment in vivo...
November 23, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27881650/mechanism-of-enhanced-hiv-restriction-by-virion-coencapsidated-cytidine-deaminases-apobec3f-and-apobec3g
#17
Anjuman Ara, Robin P Love, Tyson B Follack, Khawaja A Ahmed, Madison B Adolph, Linda Chelico
: The APOBEC3 (A3) enzymes, A3G and A3F, are coordinately expressed in CD4+ T cells and can become coencapsidated into HIV-1 virions, primarily in the absence of the viral infectivity factor (Vif). A3F and A3G are deoxycytidine deaminases that inhibit HIV-1 replication by inducing guanine to adenine hypermutation through deamination of cytosine to form uracil in (-)DNA. The effect of the simultaneous presence of both A3G and A3F on HIV-1 restriction ability is not clear. Here, we used a single cycle infectivity assay and biochemical analyses to determine if coencapsidated A3G and A3F differ in their restriction capacity than A3G or A3F alone...
November 23, 2016: Journal of Virology
https://www.readbyqxmd.com/read/27878484/pilot-scale-nanofiltration-treatment-of-olive-mill-wastewater-a-technical-and-economical-evaluation
#18
S Sanches, M C Fraga, N A Silva, P Nunes, J G Crespo, V J Pereira
The treatment of large volumes of olive mill wastewater is presently a challenge. This study reports the technical and economical feasibility of a sequential treatment of olive mill wastewater comprising a dissolved air flotation pre-treatment and nanofiltration. Different pilot nanofiltration assays were conducted in a concentration mode up to different volume reduction factors (29, 45, 58, and 81). Data attained demonstrated that nanofiltration can be operated at considerably high volume reduction factors and still be effective towards the removal of several components...
November 22, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27876164/measuring-the-environmental-sustainability-performance-of-global-supply-chains-a-multi-regional-input-output-analysis-for-carbon-sulphur-oxide-and-water-footprints
#19
Adolf Acquaye, Kuishuang Feng, Eunice Oppon, Said Salhi, Taofeeq Ibn-Mohammed, Andrea Genovese, Klaus Hubacek
Measuring the performance of environmentally sustainable supply chains instead of chain constitute has become a challenge despite the convergence of the underlining principles of sustainable supply chain management. This challenge is exacerbated by the fact that supply chains are inherently dynamic and complex and also because multiple measures can be used to characterize performances. By identifying some of the critical issues in the literature regarding performance measurements, this paper contributes to the existing body of literature by adopting an environmental performance measurement approach for economic sectors...
November 18, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27875800/evaluation-of-tspo-pet-imaging-a-marker-of-glial-activation-to-study-the-neuroimmune-footprints-of-morphine-exposure-and-withdrawal
#20
Sylvain Auvity, Sébastien Goutal, Benoît Thézé, Catarina Chaves, Benoît Hosten, Bertrand Kuhnast, Wadad Saba, Raphaël Boisgard, Irène Buvat, Salvatore Cisternino, Nicolas Tournier
INTRODUCTION: A growing area of research suggests that neuroimmunity may impact the pharmacology of opioids. Microglia is a key component of the brain immunity. Preclinical and clinical studies have demonstrated that microglial modulators may improve morphine-induced analgesia and prevent the development of tolerance and dependence. Positron emission tomography (PET) using translocator protein 18kDa (TSPO) radioligand is a clinically validated strategy for the non-invasive detection of microglial activation...
November 8, 2016: Drug and Alcohol Dependence
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