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https://www.readbyqxmd.com/read/27906363/construction-of-the-optical-part-of-a-time-of-flight-detector-prototype-for-the-afp-detector
#1
L Nozka, L Adamczyk, G Avoni, A Brandt, P Buglewicz, E Cavallaro, G Chiodini, L Chytka, K Ciesla, P M Davis, M Dyndal, S Grinstein, P Hamal, M Hrabovsky, K Janas, K Jirakova, M Kocian, T Komarek, K Korcyl, J Lange, D Mandat, V Michalek, I Lopez Paz, D Northacker, M Rijssenbeek, L Seabra, P Schovanek, R Staszewski, P Swierska, T Sykora
We present the construction of the optical part of the ToF (time-of-flight) subdetector prototype for the AFP (ATLAS Forward Proton) detector. The ToF detector in conjunction with a 3D silicon pixel tracker will tag and measure protons originating in central exclusive interactions p + p → p + X + p, where the two outgoing protons are scattered in the very forward directions. The ToF is required to reduce so-called pileup backgrounds that arise from multiple proton interactions in the same bunch crossing at high luminosity...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27906329/self-healing-highly-chirped-fiber-laser-at-1-0-%C3%AE-m
#2
Xiaoming Wei, Cihang Kong, Goutam K Samanta, Kevin K Tsia, Kenneth K Y Wong
We demonstrate a MHz wavelength-swept fiber laser with diffraction-free and self-healing properties at the bio-favorable wavelength window of 1.0 μm. This ultrafast wavelength sweeping at a high chirp rate is all-optically realized through a newly-designed dispersive fiber that can provide a dispersion amount up to -1.7 ns/nm. It is 8 times larger than the standard single-mode fiber at this window and by adopting a double-pass configuration, the dispersion amount can be further increased to about -3.5 ns/nm, which is 23 times larger than what has previously been demonstrated...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27905444/ghost-imaging-with-atoms
#3
R I Khakimov, B M Henson, D K Shin, S S Hodgman, R G Dall, K G H Baldwin, A G Truscott
Ghost imaging is a counter-intuitive phenomenon-first realized in quantum optics-that enables the image of a two-dimensional object (mask) to be reconstructed using the spatio-temporal properties of a beam of particles with which it never interacts. Typically, two beams of correlated photons are used: one passes through the mask to a single-pixel (bucket) detector while the spatial profile of the other is measured by a high-resolution (multi-pixel) detector. The second beam never interacts with the mask. Neither detector can reconstruct the mask independently, but temporal cross-correlation between the two beams can be used to recover a 'ghost' image...
November 30, 2016: Nature
https://www.readbyqxmd.com/read/27905220/development-of-an-auditory-situation-awareness-test-battery-for-advanced-hearing-protectors-and-tcaps-detection-subtest-of-drilcom-detection-recognition-identification-localization-communication
#4
Kichol Lee, John G Casali
OBJECTIVE: To design a test battery and conduct a proof-of-concept experiment of a test method that can be used to measure the detection performance afforded by military advanced hearing protection devices (HPDs) and tactical communication and protective systems (TCAPS). DESIGN: The detection test was conducted with each of the four loudspeakers located at front, right, rear and left of the participant. Participants wore 2 in-ear-type TCAPS, 1 earmuff-type TCAPS, a passive Combat Arms Earplug in its "open" or pass-through setting and an EB-15LE™ electronic earplug...
December 1, 2016: International Journal of Audiology
https://www.readbyqxmd.com/read/27904625/an-intriguing-case-of-gallstone-ileus-after-hepaticojejunostomy-caused-by-a-stone-on-a-suture
#5
Mahir Gachabayov, Petr Mityushin
Gallstone ileus (GI) is a mechanical obstruction of small or large bowel caused by gallstone passed to the intestinal lumen through spontaneous or postoperative biliodigestive fistula. A 42-year-old female patient was admitted with the clinical presentation of small bowel obstruction. She underwent hepaticojejunostomy 4 years prior to admission for primary sclerosing cholangitis. Barium meal follows through revealed Rigler's triad. The patient underwent laparotomy which revealed GI. A "stone on a suture" was removed through enterotomy...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904525/exosomes-as-nanocarriers-for-sirna-delivery-paradigms-and-challenges
#6
Fahimeh Shahabipour, Maciej Banach, Amirhossein Sahebkar
Exosomes are nano-sized vesicles that facilitate intercellular communications through carrying genetic materials and functional biomolecules. Owing to their unique size and structure, exosomes have emerged as a useful tool to overcome the limitations of siRNA delivery. The use of exosomes as siRNA delivery vehicles lacks certain disadvantages of the existing foreign delivery systems such as viruses, polycationic polymers and liposomes, and introduces several advantages including inherent capacity to pass through biological barriers and escape from phagocytosis by the reticuloendothelial system, as well as being biocompatible, non-toxic, and immunologically inert...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27904225/the-inferior-medial-genicular-artery-and-its-vascularization-of-the-pes-anserinus-superficialis-a-cadaveric-study
#7
Lena Hirtler, Manuel Ederer, Mike Faber, Patrick Weninger
BACKGROUND: A common method for reconstruction of the anterior cruciate ligament (ACL) is it's replacement by a free avascular graft, using the gracilis and/or semitendinosus tendons. These grafts pass a vulnerable phase in the ligamentization-process during the 1(st) year after reconstruction. The aims of this study were first to evaluate the vascularization of the pes anserinus superficialis (PAS) by the inferior medial genicular artery (IMGA) and second to develop a pedunculated surgical technique for ACL reconstruction, to preserve a maximal amount of natural vascularization of the tendons inserting at the PAS...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27903795/how-can-professionals-carry-out-recognition-towards-children-of-parents-with-alcohol-problems-a-qualitative-interview-study
#8
Anne Werner, Kirsti Malterud
AIM: The aim of this study was to explore informal adult support experienced by children with parental alcohol problems to understand how professionals can show recognition in a similar way. METHODS: We conducted a qualitative interview study with retrospective accounts from nine adults growing up with problem-drinking parents. Data were analysed with systematic text condensation. Goffman's concept "frame" offered a lens to study how supportive situations were defined and to understand opportunities and limitations for translation of recognition acts and attitudes to professional contexts...
November 30, 2016: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/27902976/centrosome-clustering-in-the-development-of-bovine-binucleate-trophoblast-giant-cells
#9
Karl Klisch, Elisabeth M Schraner, Alois Boos
Binucleate trophoblast giant cells (BNC) are the characteristic feature of the ruminant placenta. During their development, BNC pass through 2 acytokinetic mitoses and become binucleate with 2 tetraploid nuclei. In this study, we investigate the number and location of centrosomes in bovine BNC. Centrosomes typically consist of 2 centrioles surrounded by electron-dense pericentriolar material. Duplication of centrosomes is tightly linked to the cell cycle, which ensures that the number of centrosomes remains constant in proliferating diploid cells...
December 1, 2016: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/27902914/inactivation-of-avian-influenza-virus-in-nonpelleted-chicken-feed
#10
H Toro, V L van Santen, C Breedlove
Corn stored outside could become contaminated with avian influenza virus (AIV) from wild bird droppings. AIV-contaminated ingredients could pass into the poultry flocks in nonpelleted chicken feed. The efficacy of two disinfectants at inactivating AIV in chicken feed was evaluated. Both Termin-8 (a blend of formaldehyde, propionic acid, terpenes, and surfactant) and Finio (a blend of approved phytochemicals and carboxylic acids) effectively inactivated AIV in chicken feed. Because stability of infectious AIV in chicken feed is limited, we evaluated addition of protein (skim milk powder) to the virus suspension...
December 2016: Avian Diseases
https://www.readbyqxmd.com/read/27902608/transient-ulnar-artery-compression-facilitates-transradial-access
#11
Zhi-Ming Zhou, Zhen-Xian Yan, Bin Nie, Yong-He Guo, Yu-Jie Zhou
BACKGROUND: Unsuccessful radial artery puncture is one of the important causes of transradial procedure failure. Ulnar artery compression made the radial artery pulse stronger. Whether it would make transradial access easier, however, is uncertain. METHODS: A prospective randomized controlled trial was conducted among 446 patients who planned for transradial cardiac catheterization. Patients were randomized to receiving either transient ulnar artery compression (UC) or standard treatment (standard) for half an hour prior to needle insertion (217 UC, 229 standard)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27901586/long-single-molecule-reads-can-resolve-the-complexity-of-the-influenza-virus-composed-of-rare-closely-related-mutant-variants
#12
Alexander Artyomenko, Nicholas C Wu, Serghei Mangul, Eleazar Eskin, Ren Sun, Alex Zelikovsky
As a result of a high rate of mutations and recombination events, an RNA-virus exists as a heterogeneous "swarm" of mutant variants. The long read length offered by single-molecule sequencing technologies allows each mutant variant to be sequenced in a single pass. However, high error rate limits the ability to reconstruct heterogeneous viral population composed of rare, related mutant variants. In this article, we present two single-nucleotide variants (2SNV), a method able to tolerate the high error rate of the single-molecule protocol and reconstruct mutant variants...
November 30, 2016: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/27901383/security-and-biomechanical-strength-of-three-end-pass-configurations-for-the-terminal-end-of-intradermal-closures-performed-with-unidirectional-barbed-suture-material-in-dogs
#13
Penny J Regier, Daniel D Smeak, Kirk C McGilvray
OBJECTIVE To compare security of continuous intradermal suture lines closed by use of barbed suture with 3 end-pass configurations or without an end-pass configuration. SAMPLE 40 full-thickness, 4-cm-long, parasagittal wounds in canine cadavers. PROCEDURES Each continuous intradermal closure was terminated with 1 of 3 end-pass techniques or without an end-pass configuration (control group). A servohydraulic machine applied tensile load perpendicular to the long axis of the suture line. A load-displacement curve was generated for each sample; maximum load, displacement, stiffness, mode of construct failure, and load at first suture slippage at termination (ie, terminal end of the suture line) were recorded...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27900256/arthroscopic-remplissage-for-moderate-size-hill-sachs-lesion
#14
Thomas C Alexander, Clint Beicker, John M Tokish
Humeral bone loss has been shown to be a risk factor for failure after arthroscopic treatment of instability. We present the arthroscopic remplissage technique originally described by Koo and Burkhart et al. with a modification in the percutaneous anchor placement and suture tying that is reproducible and effective. We percutaneously place 2 suture anchors, which require no additional suture passing across the tissue, to create a double pulley technique, filling the defect with posterior capsule and rotator cuff...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27900244/ultrasound-evaluation-of-intra-osseous-cavity-a-preliminary-study-in-pig-mandibles
#15
Thásia L D Ferreira, Andre Luiz F Costa, Maria José A Tucunduva, Raul R Tucunduva-Neto, Elio H Shinohara, Cláudio F de Freitas
AIMS: To assess the role of ultrasonography as a possible tool for diagnosis of intra-osseous lesions. METHODS: Our sample comprised five macerated pig jaws. The regions of bony crypts of third molars were examined on both sides, totaling 10 examinations. The degrees of difficulty for both ultrasound image visualization and bone translucency were rated by two groups of evaluators (i.e. dental radiologists and physician ultrasonographers). RESULTS: Our results showed that it is possible to detect images of the intra-osseous cavity at a low-degree difficulty by using both radiographic and ultrasonic techniques (46...
November 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27900201/the-diagnosis-and-treatment-of-rapunzel-syndrome
#16
Zhe Wang, Feng Cao, Diangang Liu, Yu Fang, Fei Li
Trichobezoars are hairballs or hair-like fibers formed by chewing and swallowing hair or any other indigestible materials. Trichobezoars usually form in the gastric body and are thus prepyloric. However, trichobezoars may rarely pass through the pylorus into the duodenum, jejunum, ileum, and even the colon, in a condition referred to as Rapunzel syndrome. Here, we present a case of a 13-year-old girl with this rare syndrome and discuss the diagnosis and treatment of the disease.
November 2016: Acta Radiologica Open
https://www.readbyqxmd.com/read/27899667/rice-snp-seek-database-update-new-snps-indels-and-queries
#17
Locedie Mansueto, Roven Rommel Fuentes, Frances Nikki Borja, Jeffery Detras, Juan Miguel Abriol-Santos, Dmytro Chebotarov, Millicent Sanciangco, Kevin Palis, Dario Copetti, Alexandre Poliakov, Inna Dubchak, Victor Solovyev, Rod A Wing, Ruaraidh Sackville Hamilton, Ramil Mauleon, Kenneth L McNally, Nickolai Alexandrov
We describe updates to the Rice SNP-Seek Database since its first release. We ran a new SNP-calling pipeline followed by filtering that resulted in complete, base, filtered and core SNP datasets. Besides the Nipponbare reference genome, the pipeline was run on genome assemblies of IR 64, 93-11, DJ 123 and Kasalath. New genotype query and display features are added for reference assemblies, SNP datasets and indels. JBrowse now displays BAM, VCF and other annotation tracks, the additional genome assemblies and an embedded VISTA genome comparison viewer...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899571/engineering-robust-and-tunable-spatial-structures-with-synthetic-gene-circuits
#18
Wentao Kong, Andrew E Blanchard, Chen Liao, Ting Lu
Controllable spatial patterning is a major goal for the engineering of biological systems. Recently, synthetic gene circuits have become promising tools to achieve the goal; however, they need to possess both functional robustness and tunability in order to facilitate future applications. Here we show that, by harnessing the dual signaling and antibiotic features of nisin, simple synthetic circuits can direct Lactococcus lactis populations to form programmed spatial band-pass structures that do not require fine-tuning and are robust against environmental and cellular context perturbations...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899519/initial-clinical-experience-using-the-two-stage-aspiration-technique-tsat-with-proximal-flow-arrest-by-a-balloon-guiding-catheter-for-acute-ischemic-stroke-of-the-anterior-circulation
#19
Hiroyuki Matsumoto, Hirokazu Nishiyama, Yoshiaki Tetsuo, Hideki Takemoto, Naoyuki Nakao
BACKGROUND: Our initial experience using the two-stage aspiration technique (TSAT) with proximal flow arrest by a balloon guiding catheter is presented. In TSAT, aspiration is applied with the 5MAX ACE and also with the 3MAX catheter with a Penumbra aspiration pump, while arresting proximal flow by balloon inflation. METHODS: In patients treated with TSAT, clinical data including National Institutes of Health Stroke Scale (NIHSS) score at admission and the modified Rankin Scale (mRS) score at discharge, as well as procedural data including the Thrombolysis in Cerebral Infarction (TICI) score, procedural time, and complications were analyzed...
November 29, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27898930/effects-of-roughage-inclusion-and-particle-size-on-performance-and-rumination-behavior-of-finishing-beef-steers
#20
W W Gentry, C P Weiss, C M Meredith, F T McCollum, N A Cole, J S Jennings
Roughage is typically mechanically processed to increase digestibility and improve handling and mixing characteristics in beef cattle finishing diets. Roughage is fed to promote ruminal health and decrease digestive upset, but inclusion in finishing diets is limited due to the cost per unit of energy. Rumination behavior may be a means to standardize roughage in beef cattle finishing diets, and increasing particle size of roughage may allow a decrease in roughage inclusion without sacrificing animal performance...
November 2016: Journal of Animal Science
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