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https://www.readbyqxmd.com/read/28910896/-measurement-of-morphological-parameters-of-internal-acousticmeatus-using-thin-section-ct
#1
J M Liu, D D Zhu, G H Jin, X W Zhu, L Li, G W Liu, K L Cheng, Y Q Li
Objective: This study aimed to measure the morphological parameters of the internal acoustic meatus(IAM) and its adjacent structures using temporal-bone thin-section CT(computed tomography). Methods: CT images were obtained from 50 Chinese adult patients (25 males and 25 females, 100 sides) which had no visible lesion in the petrous part of the temporal bone and inner ear, the morphological parameters of all inner ear parts were sectionally measured on the specified plane using SPSS 22.0 software for statistical analysis...
September 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28906158/prevalence-of-putative-virulence-genes-in-campylobacter-and-arcobacter-species-isolated-from-poultry-and-poultry-by-products-in-tunisia
#2
Hela Jribi, Hanen Sellami, Amal Ben Hassena, Radhouane Gdoura
Campylobacter and Arcobacter spp. are common causes of gastroenteritis in humans; these infections are commonly due to undercooked poultry. However, their virulence mechanism is still poorly understood. The aim of this study was to evaluate the presence of genotypic virulence markers in Campylobacter and Arcobacter species using PCR. The prevalence of virulence and cytolethal distending toxin (CDT) genes was estimated in 71 Campylobacteraceae isolates. PCR was used to detect the presence of virulence genes (iam, cadF, virB1, flaA, cdtA, cdtB, and cdtC) using specific primers for a total of 45 Campylobacter isolates, including 37 C...
September 14, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28891494/large-area-epitaxial-growth-of-mose-sub-2-sub-via-an-incandescent-molybdenum-source
#3
Man Kit Cheng, Jing Liang, Ying-Hoi Lai, Liang-Xi Pang, Yi Liu, Junying Shen, Jianqiang Hou, Qing Lin He, Bochao Xu, Junshu Chen, Gan Wang, Chang Liu, Rolf Lortz, Iam Keong Sou
We have developed an incandescent Mo source to fabricate large-area single-crystalline MoSe<sub>2</sub> thin films. The as-grown MoSe<sub>2</sub> thin films were characterized using transmission electron spectroscopy, energy dispersive X-ray analysis, atomic force microscopy, Raman spectroscopy, photoluminescence, reflection high energy electron diffraction (RHEED) and angular resolved photoemission spectroscopy (ARPES). A new Raman characteristic peak at 1591 cm<sup>-1</sup> was identified...
September 11, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28888759/impact-of-iliac-artery-anatomy-on-the-outcome-of-fenestrated-and-branched-endovascular-aortic-repair
#4
Enrico Gallitto, Mauro Gargiulo, Gianluca Faggioli, Rodolfo Pini, Chiara Mascoli, Antonio Freyrie, Stefano Ancetti, Andrea Stella
OBJECTIVE: Fenestrated and branched endovascular aneurysm repair (FB-EVAR) is a valid option to treat juxtarenal and pararenal abdominal aortic aneurysms and thoracoabdominal aortic aneurysms. Because successful deployment depends on complex maneuvers, hostile iliac artery anatomy (HIA) can prejudice the FB-EVAR outcome. The aim of the study was to evaluate the impact of HIA on FB-EVAR outcome. METHODS: Between 2010 and 2015, all patients undergoing FB-EVAR were prospectively categorized according to iliac anatomy (friendly iliac artery anatomy [FIA] or HIA)...
September 6, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28857277/comparison-of-microscopic-and-endoscopic-view-of-the-internal-auditory-meatus-a-cadaveric-study
#5
Guilherme Ramina Montibeller, Philipp Hendrix, Fabian N Fries, Kurt W Becker, Joachim Oertel
Introduction The endoscope is thought to provide an improved exposure of the internal auditory meatus after retrosigmoid craniotomy for microsurgical resection of intrameatal tumors. The aim of this study is to quantify the differences in internal acoustic meatus (IAM) exposure comparing microscopic and endoscopic visualization. Methods A retrosigmoid approach was performed on 5 cadaver heads. A millimeter gauge was introduced into the internal auditory meatus, and examinations with a surgical microscope and 0°, 30° and 70° rigid endoscopes were performed...
August 31, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28851459/psychometric-assessment-of-three-newly-developed-implementation-outcome-measures
#6
Bryan J Weiner, Cara C Lewis, Cameo Stanick, Byron J Powell, Caitlin N Dorsey, Alecia S Clary, Marcella H Boynton, Heather Halko
BACKGROUND: Implementation outcome measures are essential for monitoring and evaluating the success of implementation efforts. Yet, currently available measures lack conceptual clarity and have largely unknown reliability and validity. This study developed and psychometrically assessed three new measures: the Acceptability of Intervention Measure (AIM), Intervention Appropriateness Measure (IAM), and Feasibility of Intervention Measure (FIM). METHODS: Thirty-six implementation scientists and 27 mental health professionals assigned 31 items to the constructs and rated their confidence in their assignments...
August 29, 2017: Implementation Science: IS
https://www.readbyqxmd.com/read/28832293/-myosotis-in-children-with-flu-a-rare-complication-of-influenza
#7
M J M Hilderink, G Th J van Well
Influenza is a common viral infection, which occurs in yearly endemics during the winter period. Complications are mostly seen amongst the elderly, but may also be seen in previously healthy children; the airways and central nervous system, in particular, may be affected. Another complication of influenza, first described in 1957 and only sporadically discussed, is influenza associated myositis (IAM). In this article we describe three patients with IAM. IAM is mainly seen in children, and boys are more often affected than girls...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28820086/stenotrophomonas-bentonitica-sp-nov-isolated-from-bentonite-formations
#8
Iván Sánchez-Castro, Miguel Angel Ruiz-Fresneda, Mohammed Bakkali, Peter Kämpfer, Stefanie P Glaeser, Hans Jürgen Busse, Margarita López-Fernández, Pablo Martínez-Rodríguez, Mohamed Larbi Merroun
A Gram-stain negative, rod-shaped, aerobic bacterial strain, BII-R7T, was isolated during a study targeting the culture-dependent microbial diversity occurring in bentonite formations from southern Spain. Comparative 16S rRNA gene sequence analysis showed that BII-R7T represented a member of the genus Stenotrophomonas (class Gammaproteobacteria), and was related most closely to Stenotrophomonas rhizophila e-p10T (99.2 % sequence similarity), followed by Stenotrophomonas pavanii ICB 89T (98.5 %), Stenotrophomonas maltophilia IAM 12423T, Stenotrophomonas chelatiphaga LPM-5T and Stenotrophomonas tumulicola T5916-2-1bT (all 98...
August 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28819050/pda-pac-iam-2017-survey-on-post-approval-change-is-the-regulatory-environment-hindering-much-needed-innovation-in-the-pharma-industry
#9
Melissa Seymour
As part of the effort to identify, assess and address current barriers to PACs, the PDA administered a global, blinded, cross-functional survey to document industry experience with PACs in the current global regulatory environment, and to better understand the regulatory complexity and burden on the industry. The survey interrogated on specific points related to annual volume of PACs, reasons, time commitments/cycle time, impact of regional differences on change implementation, current use of tools (e.g. PACMPs), impact on supply chain complexity (e...
August 17, 2017: PDA Journal of Pharmaceutical Science and Technology
https://www.readbyqxmd.com/read/28799715/cloning-and-expression-of-recombinant-chondroitinase-acii-and-its-comparison-to-the-arthrobacter-aurescens-enzyme
#10
Asher Williams, Wenqin He, Brady F Cress, Xinyue Liu, Jordanne Alexandria, Hiroki Yoshizawa, Kazuhiro Nishimura, Toshihiko Toida, Mattheos Koffas, Robert J Linhardt
Chondroitin sulfates are the glycosaminoglycan chains of proteoglycans critical in the normal development and pathophysiology of all animals. Chondroitinase ACII, a polysaccharide lyase originally isolated from Arthrobacter aurescens IAM 110 65, which is widely used in the analysis and study of chondroitin structure, is no longer commercially available. The aim of the current study is to prepare recombinant versions of this critical enzyme for the glycobiology research community. Two versions of recombinant chondroitinase ACII are prepared in Escherichia coli, and their activity, stability, specificity, and action pattern are examined, along with a non-recombinant version secreted by an Arthrobacter strain...
August 11, 2017: Biotechnology Journal
https://www.readbyqxmd.com/read/28774613/monohalogenated-acetamide-induced-cellular-stress-and-genotoxicity-are-related-to-electrophilic-softness-and-thiol-thiolate-reactivity
#11
Justin A Pals, Elizabeth D Wagner, Michael J Plewa, Menghang Xia, Matias S Attene-Ramos
Haloacetamides (HAMs) are cytotoxic, genotoxic, and mutagenic byproducts of drinking water disinfection. They are soft electrophilic compounds that form covalent bonds with the free thiol/thiolate in cysteine residues through an SN2 reaction mechanism. Toxicity of the monohalogenated HAMs (iodoacetamide, IAM; bromoacetamide, BAM; or chloroacetamide, CAM) varied depending on the halogen substituent. The aim of this research was to investigate how the halogen atom affects the reactivity and toxicological properties of HAMs, measured as induction of oxidative/electrophilic stress response and genotoxicity...
August 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28774121/synthesis-and-drug-delivery-application-of-thermo-and-ph-sensitive-hydrogels-poly-%C3%AE-cd-co-n-isopropylacrylamide-co-iam
#12
Syang-Peng Rwei, Tuan Huynh Nguyen Anh, Whe-Yi Chiang, Tun-Fun Way, Yung-Jia Hsu
Copolymerization of N-isopropylacrylamide (NIPAM), itaconamic acid (IAM; 4-amino-2-methylene-4-oxobutanoic acid) and β-cyclodextrin was investigated in this study. β-cyclodextrin was at first modified by reacting with allyl glycidyl ether to substitute its OH end groups with moieties containing double bonds to facilitate the subsequent radical copolymerization with NIPAM and IAM. It was reported that poly(NIPAM-IAM) can respond to the change of temperature as well as pH value. In this study, the structure of β-cyclodextrin was introduced to poly(NIPAM-IAM) copolymers because of its cavity structure capable of encapsulating a variety of drug molecules...
December 11, 2016: Materials
https://www.readbyqxmd.com/read/28771124/notoacmeibacter-marinus-gen-nov-sp-nov-isolated-from-the-gut-of-a-limpet-and-proposal-of-notoacmeibacteraceae-fam-nov-in-the-order-rhizobiales-of-the-class-alphaproteobacteria
#13
Zhaobin Huang, Feng Guo, Qiliang Lai, Zongze Shao
A Gram-stain-negative, short rod-shaped and non-flagellated bacterium, named strain XMTR2A4T, was isolated from the gut of a marine limpet, Notoacmea schrenckii on intertidal rocks. Colonies were small, light grey and circular. Catalase- and oxidase-positive. Growth was observed at 15 to 37 °C (optimum 28-30 °C), with salinity range from 0.5 to 9 % (optimum 1-2 %), and at pH 6 to 9 (optimum pH 7). The almost full-length 16S rRNA gene of strain XMTR2A4T had the highest sequence similarity of 93.7 % with Mycoplana ramosa DSM 7292T, and of 93...
August 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28718347/priming-involuntary-autobiographical-memories-in-the-lab
#14
Krystian Barzykowski, Agnieszka Niedźwieńska
Involuntary autobiographical memories (IAMs) are recollections of personal past that frequently and spontaneously occur in daily life. Initial studies by Mace ( 2005 ) showed that deliberately reminiscing about a certain lifetime period (e.g., high school) significantly increased the number of different IAMs from the same period in subsequent days, suggesting that priming may play a significant role in the retrieval of IAMs in everyday life. In the present study, we used a modified experimental paradigm, originally used by Schlagman and Kvavilashvili ( 2008 ), to study IAMs under well-controlled laboratory conditions...
July 18, 2017: Memory
https://www.readbyqxmd.com/read/28712949/role-of-early-second-trimester-uterine-artery-doppler-screening-to-predict-small-for-gestational-age-babies-in-nulliparous-women
#15
Samuel Parry, Anthony Sciscione, David M Haas, William A Grobman, Jay D Iams, Brian M Mercer, Robert M Silver, Hyagriv N Simhan, Ronald J Wapner, Deborah A Wing, Michal A Elovitz, Frank P Schubert, Alan Peaceman, M Sean Esplin, Steve Caritis, Michael P Nageotte, Benjamin A Carper, George R Saade, Uma M Reddy, Corette B Parker
BACKGROUND: Trophoblastic invasion of the uterine spiral arteries substantially increases compliance to accommodate increased blood flow to the placenta. Failure of this process impedes uterine artery blood flow, and this may be detected by uterine artery Doppler flow studies. However, the clinical utility of uterine artery Doppler flow studies in the prediction of adverse pregnancy outcomes in a general population remains largely unknown. OBJECTIVE: We sought to determine the utility of early second-trimester uterine artery Doppler studies as a predictor of small-for-gestational-age neonates...
July 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28697250/vaginal-fetal-fibronectin-to-predict-spontaneous-preterm-birth-reply
#16
LETTER
M Sean Esplin, Michal Elovitz, Jay Iams
No abstract text is available yet for this article.
July 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28694791/no-clear-differences-between-organic-or-conventional-pig-farms-in-the-genetic-diversity-or-virulence-of-campylobacter-coli-isolates
#17
Martine Denis, Bérengère Nagard, Valérie Rose, Kévin Bourgoin, Mélina Cutimbo, Annaëlle Kerouanton
To evaluate the impact of pig farm management on the genetic diversity and on the virulence of Campylobacter coli, we characterized isolates from 19 organic pig farms (62 isolates) and from 24 conventional pig farms (58 isolates). The 120 C. coli isolates were typed using pulsed field gel electrophoresis (PFGE) and multilocus sequence typing (MLST) and the presence of nine virulence genes was screened using real-time PCR. The capacity of adhesion and invasion of 61 isolates (32 from organic and 29 from conventional farms) were then tested on human intestinal Caco-2 cells...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28691828/virulence-and-antibiotic-resistance-genes-in-campylobacter-spp-in-the-czech-republic
#18
J Bardoň, V Pudová, I Koláčková, R Karpíšková, M Röderová, M Kolář
OBJECTIVE: Thermotolerant species of the genus Campy-lobacter are the important agents causing human foodborne infections throughout the world. The aims of this study were to evaluate the presence of nine putative virulence genes in Campylobacter spp. isolated from patients and from foods (poultry meat, pork liver), to determine the resistance of Campylobacter isolates to eight antibiotic agents and to detect four resistance genes.Matherial and methods: The presence of the virulence genes cdtA, cdtB, cdtC, virB11, ciaB, wlaN, iam, dnaJ and racR was detected by polymerase chain reaction (PCR) in 94 Campylobacter spp...
2017: Epidemiologie, Mikrobiologie, Imunologie
https://www.readbyqxmd.com/read/28688767/the-activation-of-b-cells-enhances-dc-sign-expression-and-promotes-susceptibility-of-b-cells-to-hpai-h5n1-infection
#19
Prasit Na-Ek, Jutarat Thewsoongnoen, Maytawan Thanunchai, Suwimon Wiboon-Ut, Noppadol Sa-Ard-Iam, Rangsini Mahanonda, Arunee Thitithanyanont
The interplay between highly pathogenic avian influenza (HPAI) H5N1 virus and immune cells has been extensively studied for years, as host immune components are thought to play significant roles in promoting the systemic spread of the virus and responsible for cytokine storm. Previous studies suggested that the interaction of B cells and monocytes could promote HPAI H5N1 infection by enhancing avian influenza virus receptor expression. In this study, we further investigate the relationship between the HPAI H5N1 virus, activated B cells, and DC-SIGN expression...
September 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28672008/nanofibrous-scaffolds-for-the-guidance-of-stem-cell-derived-neurons-for-auditory-nerve-regeneration
#20
Sandra Hackelberg, Samuel J Tuck, Long He, Arjun Rastogi, Christina White, Liqian Liu, Diane M Prieskorn, Ryan J Miller, Che Chan, Benjamin R Loomis, Joseph M Corey, Josef M Miller, R Keith Duncan
Impairment of spiral ganglion neurons (SGNs) of the auditory nerve is a major cause for hearing loss occurring independently or in addition to sensory hair cell damage. Unfortunately, mammalian SGNs lack the potential for autonomous regeneration. Stem cell based therapy is a promising approach for auditory nerve regeneration, but proper integration of exogenous cells into the auditory circuit remains a fundamental challenge. Here, we present novel nanofibrous scaffolds designed to guide the integration of human stem cell-derived neurons in the internal auditory meatus (IAM), the foramen allowing passage of the spiral ganglion to the auditory brainstem...
2017: PloS One
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