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https://www.readbyqxmd.com/read/28091946/self-catalyzed-growth-of-inas-nanowires-on-inp-substrate
#1
Bang Li, Xin Yan, Xia Zhang, Xiaomin Ren
We report on the self-catalyzed growth of InAs nanowires on InP substrate by metal-organic chemical vapor deposition. At a moderate V/III ratio, tapered nanowires are obtained, suggesting a strong surface diffusion effect. Dense twin faults are observed perpendicular to the nanowire growth direction due to the fluctuation of In atoms in the droplet originating from the surface diffusion effect. At a lower V/III ratio, the nanowires exhibit kinking, which is associated with a high adhesion due to a large sticking coefficient of TMIn...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28090305/resolution-of-myelofibrosis-associated-pulmonary-arterial-hypertension-following-allogeneic-hematopoietic-stem-cell-transplantation
#2
Saadia A Faiz, Cezar Iliescu, Juan Lopez-Mattei, Bela Patel, Lara Bashoura, Uday Popat
We present the case of a 62-year-old man with myelofibrosis-associated pulmonary arterial hypertension (PAH) who underwent allogeneic hematopoietic stem cell transplantation with subsequent resolution of disease and PAH. Right heart catheterization was used to guide PAH therapy before and after transplantation. Drug interactions, adverse effects, and renal insufficiency posed clinical challenges for the management of PAH-specific medications after transplantation. PAH improved soon after transplantation, and vasoactive medications were tapered off...
December 2016: Pulmonary Circulation
https://www.readbyqxmd.com/read/28087505/2016-update-of-the-asas-eular-management-recommendations-for-axial-spondyloarthritis
#3
Désirée van der Heijde, Sofia Ramiro, Robert Landewé, Xenofon Baraliakos, Filip Van den Bosch, Alexandre Sepriano, Andrea Regel, Adrian Ciurea, Hanne Dagfinrud, Maxime Dougados, Floris van Gaalen, Pál Géher, Irene van der Horst-Bruinsma, Robert D Inman, Merryn Jongkees, Uta Kiltz, Tore K Kvien, Pedro M Machado, Helena Marzo-Ortega, Anna Molto, Victoria Navarro-Compàn, Salih Ozgocmen, Fernando M Pimentel-Santos, John Reveille, Martin Rudwaleit, Jochen Sieper, Percival Sampaio-Barros, Dieter Wiek, Jürgen Braun
To update and integrate the recommendations for ankylosing spondylitis and the recommendations for the use of tumour necrosis factor inhibitors (TNFi) in axial spondyloarthritis (axSpA) into one set applicable to the full spectrum of patients with axSpA. Following the latest version of the European League Against Rheumatism (EULAR) Standardised Operating Procedures, two systematic literature reviews first collected the evidence regarding all treatment options (pharmacological and non-pharmacological) that were published since 2009...
January 13, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28087142/ultrastructural-characteristics-of-the-mature-spermatozoon-of-the-digenean-sclerodistomum-italicum-stossich-1893-hemiuroidea-sclerodistomidae-intestinal-parasite-of-hypocanthus-amia-teleostei-carangidae
#4
Papa Ibnou Ndiaye, Yann Quilichini, Adji Mama Marigo, Cheikh Tidiane Bâ, Vasyl V Tkach, Bernard Marchand
The mature spermatozoon of Sclerodistomum italicum is filiform, tapered at both ends and shows the following features: 2 axonemes of the 9+"1" pattern of the Trepaxonemata, mitochondrion, nucleus and parallel cortical microtubules. The specific features of the spermatozoon of S. italicum include the simultaneous presence of two types of extramembranous ornamentations, the presence of short cortical microtubules in the anterior part of the spermatozoon and the presence of only one bundle of cortical microtubules in the median part of the spermatozoon...
December 30, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28079610/influence-of-the-localization-of-frontal-bone-defects-on-primary-stability-values-of-2-different-implant-designs-an-in-vitro-study
#5
Ugur Mercan, Hakan Bilhan, Deniz Gokce Meral, Sehnaz Kazokoglu, Gokce Aykol-Sahin, Onur Geckili
OBJECTIVES: The aim of this study was to determine the influence of different frontal bone defect localizations on primary stability values of 2 different implant designs. MATERIALS AND METHODS: Eight cow rib segments were prepared before implant installation, as 2 segments with coronal, 2 with middle, and 2 with apical defects and 2 with control. Thirty-two cylindrical and 32 tapered implants were placed in the remaining 4 segments. Implant stability measurements were performed using electronic percussive testing and resonance frequency analysis...
January 11, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28079270/treatment-of-adults-with-idiopathic-recurrent-pericarditis-novel-use-of-immunotherapy
#6
Nicholas C Schwier, Genevieve Hale, Marie L Davies
Idiopathic recurrent pericarditis (IRP) can be challenging to treat. Even after guideline-directed, first-line treatment consisting of aspirin (ASA) or a nonsteroidal antiinflammatory drug (NSAID) in combination with colchicine therapy, recurrences still occur in greater than 20% of patients. Many patients then require treatment with long-term corticosteroids, which is not a favorable option due to their short- and long-term adverse effects. Since it is theorized that the pathophysiology of IRP may possess autoimmune sequelae, the use of immunotherapy for the treatment of IRP has emerged...
January 12, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28078669/maintenance-phase-in-puva-phototherapy-of-early-stage-mycosis-fungoides-a-critically-appraised-topic
#7
REVIEW
V Grandi, C Delfino, A Pileri, N Pimpinelli
A 65-years-old patient affected by mycosis fungoides stage IB achieved complete remission after a cycle of PUVA phototherapy. As suggested by USCLC guidelines(1) , the patient should be kept in maintenance phase, defined as "period of gradual decrease of frequency of UVL while in clinical remission before discontinuation of phototherapy" by slowly tapering the number of PUVA applications over time up to clinical relapse. USCLC also suggest a standardized schedule for maintenance phase (table 1). Alternatively, the patient could end PUVA therapy and go straight to follow up...
January 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28078167/a-novel-strategy-for-attenuating-opioid-withdrawal-in-neonates
#8
Giovanni C Santoro, Samarth Shukla, Krishna Patel, Jakub Kaczmarzyk, Stergiani Agorastos, Sandra Scherrer, Yoon Young Choi, Christina Veith, Joseph Carrion, Rebecca Silverman, Danielle Mullin, Mohamed Ahmed, Wynne K Schiffer, Jonathan D Brodie, Stephen L Dewey
The rate of Neonatal Abstinence Syndrome (NAS) has drastically increased over the past decade. The average hospital expense per NAS patient has tripled, while the number of babies born to opioid-dependent mothers has increased to 5 in 1000 births. Current treatment options are limited to opioid replacement and tapering. Consequently, we examined the efficacy of prenatal, low-dose and short-term vigabatrin (γ-vinyl GABA, GVG) exposure for attenuating these symptoms as well as the metabolic changes observed in the brains of these animals upon reaching adolescence...
August 2016: Journal of Addiction Research & Therapy
https://www.readbyqxmd.com/read/28074524/trichoscopic-clues-for-diagnosis-of-alopecia-areata-and-trichotillomania-in-asians
#9
Saranya Khunkhet, Vasanop Vachiramon, Poonkiat Suchonwanit
BACKGROUND: Trichoscopy has become a useful diagnostic tool for various hair and scalp diseases, including alopecia areata (AA) and trichotillomania (TTM), which are sometimes difficult to distinguish clinically. OBJECTIVES: To describe trichoscopic findings of AA and TTM in an Asian population and to establish diagnostic clues for these conditions. METHODS: Trichoscopy was performed with a handheld dermoscope in 52 patients diagnosed with AA and 23 patients diagnosed with TTM...
February 2017: International Journal of Dermatology
https://www.readbyqxmd.com/read/28072999/-features-and-advances-of-morse-taper-connection-in-oral-implant
#10
C L Tang, S K Zhao, C Huang
Dental implants have been widely accepted as a predictable and reliable tool for dental reconstruction with the development of the economy. The design of implant-abutment connections has influence on mechanical properties and biological characteristics of implants. There are two types of implant-abutment connections, the external and the internal connections. Morse taper connection is one of the internal connections and its conical shape creates significant friction via the high propensity of parallelism between the two structures within the joint space...
January 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/28071681/increased-impedance-near-cut-off-in-plasma-like-media-leading-to-emission-of-high-power-narrow-bandwidth-radiation
#11
M S Hur, B Ersfeld, A Noble, H Suk, D A Jaroszynski
Ultra-intense, narrow-bandwidth, electromagnetic pulses have become important tools for exploring the characteristics of matter. Modern tuneable high-power light sources, such as free-electron lasers and vacuum tubes, rely on bunching of relativistic or near-relativistic electrons in vacuum. Here we present a fundamentally different method for producing narrow-bandwidth radiation from a broad spectral bandwidth current source, which takes advantage of the inflated radiation impedance close to cut-off in a medium with a plasma-like permittivity...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070902/a-modified-lvad-technique-to-augment-caval-and-pulmonary-arterial-blood-flow-in-the-failing-fontan-circulation
#12
Michael F Swartz, Louis DiVincenti, Karen Smith, Robin Westcott, Kevin Belmont, William Harris, Francisco Gensini, George M Alfieris
BACKGROUND: There are minimal circulatory support options for patients with a failing Fontan. The Heartmate II (HMII) left ventricular assist device (Thoratec, Bedford, MA) in its packaged state cannot augment caval/pulmonary arterial blood flow. AIM: We hypothesized that a modified HMII pump could augment caval and pulmonary arterial blood flow. METHODS: A bifurcated ringed Gore-Tex graft (W. L. Gore & Associates, Flagstaff, AZ) was sewn to the HMII inflow, and the outflow graft transected and tapered from 16 mm to 8 mm in diameter...
January 9, 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28069788/proteinase-3-antineutrophil-cytoplasmic-antibody-positive-ulcerative-colitis-presenting-with-abducens-neuropathy
#13
Yuki Kirito, Daisuke Yamamoto, Tsuyoshi Uchiyama
A 72-year-old man with ulcerative colitis (UC) presented with complete left abducens nerve palsy. Although MRI showed no significant changes, cerebrospinal fluid analysis revealed pleocytosis and elevated protein and interleukin (IL)-6 levels. His serum proteinase 3-antineutrophil cytoplasmic antibody (PR3-ANCA) level was also elevated to 31.1 U/mL, but granulomatosis with polyangiitis was not observed. On the basis of the diagnosis of autoimmune cranial neuropathy, he was treated with steroid therapy. While tapering steroid therapy, his serum PR3-ANCA levels; cerebrospinal fluid findings, including IL-6 levels; and symptoms improved...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28068780/long-acting-injectable-naltrexone-induction-a-randomized-trial-of-outpatient-opioid-detoxification-with-naltrexone-versus-buprenorphine
#14
Maria Sullivan, Adam Bisaga, Martina Pavlicova, C Jean Choi, Kaitlyn Mishlen, Kenneth M Carpenter, Frances R Levin, Elias Dakwar, John J Mariani, Edward V Nunes
OBJECTIVE: At present there is no established optimal approach for transitioning opioid-dependent adults to extended-release injection naltrexone (XR-naltrexone) while preventing relapse. The authors conducted a trial examining the efficacy of two methods of outpatient opioid detoxification for induction to XR-naltrexone. METHOD: Participants were 150 opioid-dependent adults randomly assigned 2:1 to one of two outpatient detoxification regimens, naltrexone-assisted detoxification or buprenorphine-assisted detoxification, followed by an injection of XR-naltrexone...
January 10, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28068275/influence-of-indexed-abutments-on-the-fracture-resistance-of-internal-conical-dental-implants
#15
Karla Zancopé, Caio César Dias Resende, Lucas Nascimento Tavares, Flávio Domingues das Neves
The aim of this study was to evaluate the influence of abutments with a prosthetic index on the fracture resistance of Morse taper dental implants. Morse taper implants were divided into 2 groups (n = 5 per group): a group with an indexed implant and a nonindexed abutment (solid Morse taper universal post; WIS group), and a group with an indexed implant and an indexed abutment (WIP group). Both groups were subjected to bending tests for fracture strength until 5 mm of displacement or implant fracture occurred...
January 2017: General Dentistry
https://www.readbyqxmd.com/read/28066016/thrombocytopenia-associated-with-olanzapine-a-case-report-and-review-of-literature
#16
Swapnajeet Sahoo, Himanshu Singla, M Spoorty, Pankaj Malhotra, Sandeep Grover
There is limited literature on olanzapine-associated thrombocytopenia. In this report, we present a case of a 32-year-old female, suffering from persistent delusional disorder who had thrombocytopenia (46,000/mm(3)) with the use of olanzapine 25 mg/day, 6 weeks after starting medication. Blood film did not reveal any evidence of any dysplastic cells, disturbance in the count of other cell lines, and autoimmune workup including antinuclear antibodies and anti-neutrophil cytoplasmic antibodies were found to be negative...
July 2016: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28065626/choosing-a-femoral-head-a-survey-study-of-academic-adult-reconstructive-surgeons
#17
Sumon Nandi, Matthew S Austin
BACKGROUND: Our aim was to examine how academic adult reconstructive surgeons have interpreted evidence on femoral head material in total hip arthroplasty (THA). METHODS: A 16-question survey to evaluate attitudes toward ceramic and cobalt-chrome head use was emailed to 274 faculty at 42 US adult reconstruction fellowship programs. RESULTS: With 116 respondents, the response rate was 42.2%. Faculty use ceramic heads 72.9% of the time. The most common reason why respondents do not use ceramic heads is cost (44...
December 18, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28064103/why-do-some-titanium-alloy-total-hip-arthroplasty-modular-necks-fail
#18
Samo K Fokter, Andrej Moličnik, Rajko Kavalar, Primož Pelicon, Rebeka Rudolf, Nenad Gubeljak
BACKGROUND: Increased modularity in total hip arthroplasty (THA) through extra junction between the neck and the femoral stem is gaining popularity among orthopaedic community. However, the advantage of the additional junction is shadowed by an increased risk of mechanical failure. The aim of this study was to describe the exact mechanism of fracture of the modular femoral neck in an uncemented stem. METHODS: Clinical, metallurgical, and mechanical analysis including finite-element modelling and elemental-sensitive tissue analysis with the micro-PIXE method was performed on two patients treated with fully modular primary THA made from Titanium alloy of the same oval taper-cone design...
December 27, 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28062869/-large-balloon-dilation-for-removal-of-choledocholithiasis-difficult-to-extract-clinical-experience
#19
Luis Marin Calderón, Augusto Vera Calderón, Aldo Gómez Correa, Zenon Cervera Reyes, Milagros Dávalos Moscol, Edgar Alva Alva, Fernando Palacios Salas, Ramiro Díaz Ríos, Edson Guzmán Calderón, Grisley García Chihuan
OBJECTIVE: The aim of this study was to report the initial experience of the combined use of biliary sphincterotomy plus balloon dilatation of the papilla for management of large stones. MATERIALS AND METHODS: Design: Retrospective, descriptive. This study included 18 patients in whom a hydrostatic dilatation of the papilla with large balloons was performed between June 2012 and April 2014. Patients had multiple large stones, tapered distal common bile duct, previous sphincterotomy, or peri/ intradiverticular papilla...
October 2016: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/28059370/polarization-dependence-of-asymmetric-off-resonance-long-period-fiber-gratings
#20
Gilad Masri, Shir Shahal, Avi Klein, Hamootal Duadi, Moti Fridman
We present the polarization dependence of strong asymmetric long period fiber gratings written on tapered fibers. We found that for off-resonance conditions the spectral response and the output mode strongly depend on the input state of polarization. We utilize this dependence to obtain a mode selective device and demonstrate radially polarized and azimuthally polarized fiber lasers based on these asymmetric long period fiber gratings.
December 26, 2016: Optics Express
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