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https://www.readbyqxmd.com/read/28808638/effect-of-surface-treatment-on-the-mechanical-properties-of-nickel-titanium-files-with-a-similar-cross-section
#1
Sang Won Kwak, Joo Yeong Lee, Hye-Jin Goo, Hyeon-Cheol Kim
OBJECTIVES: The aim of this study was to compare the mechanical properties of various nickel-titanium (NiTi) files with similar tapers and cross-sectional areas depending on whether they were surface-treated. MATERIALS AND METHODS: Three NiTi file systems with a similar convex triangular cross-section and the same ISO #25 tip size were selected for this study: G6 (G6), ProTaper Universal (PTU), and Dia-PT (DPT). To test torsional resistance, 5 mm of the straightened file's tip was fixed between polycarbonate blocks (n = 15/group) and continuous clockwise rotation until fracture was conducted using a customized device...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28805672/challenges-in-estimating-vaccine-coverage-in-refugee-and-displaced-populations-results-from-household-surveys-in-jordan-and-lebanon
#2
Timothy Roberton, William Weiss, Shannon Doocy
Ensuring the sustained immunization of displaced persons is a key objective in humanitarian emergencies. Typically, humanitarian actors measure coverage of single vaccines following an immunization campaign; few measure routine coverage of all vaccines. We undertook household surveys of Syrian refugees in Jordan and Lebanon, outside of camps, using a mix of random and respondent-driven sampling, to measure coverage of all vaccinations included in the host country's vaccine schedule. We analyzed the results with a critical eye to data limitations and implications for similar studies...
August 12, 2017: Vaccines
https://www.readbyqxmd.com/read/28791483/influence-of-season-age-and-management-on-scrotal-thermal-profile-in-murrah-bulls-using-scrotal-infrared-digital-thermography
#3
Maneesh Kumar Ahirwar, Mukund Amritrao Kataktalware, Kerekoppa Puttaiah Ramesha, Heartwin Amaladhas Pushpadass, Sakthivel Jeyakumar, Deginal Revanasiddu, Reen Jagish Kour, Sapna Nath, Anand Kumar Nagaleekar, Sayyad Nazar
The aim of the present study was to examine the effects of non-genetic factors on scrotal thermographic profile viz., proximal pole temperature (PPT °C), mid pole temperature (MPT °C), distal pole temperature (DPT °C) and ocular temperature (OcT) of Murrah (Bubalus bubalis) breeding bulls. A total of 109 buffalo bulls, maintained at three semen stations (SS), were monitored for scrotal surface and ocular temperatures using infrared thermography twice daily during rainy, winter and summer seasons using an FLIR i5 infrared camera and temperatures were measured...
August 9, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28777557/double-solvent-sensing-method-for-improving-sensitivity-and-accuracy-of-hg-ii-detection-based-on-different-signal-transduction-of-a-tetrazine-functionalized-pillared-metal-organic-framework
#4
Sayed Ali Akbar Razavi, Mohammad Yaser Masoomi, Ali Morsali
To design a robust, π-conjugated, low-cost, and easy to synthesize metal-organic framework (MOF) for cation sensing by the photoluminescence (PL) method, 4,4'-oxybis(benzoic acid) (H2OBA) has been used in combination with 3,6-di(pyridin-4-yl)-1,2,4,5-tetrazine (DPT) as a tetrazine-functionalized spacer to construct [Zn(OBA)(DPT)0.5]·DMF (TMU-34(-2H)). The tetrazine motif is a π-conjugated, water-soluble/stable fluorophore with relatively weak σ-donating Lewis basic sites. These characteristics of tetrazine make TMU-34(-2H) a good candidate for cation sensing...
August 4, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28717889/combined-arthroscopically-assisted-coraco-and-acromioclavicular-stabilization-of-acute-high-grade-acromioclavicular-joint-separations
#5
Carmen Hann, Natascha Kraus, Marvin Minkus, Nina Maziak, Markus Scheibel
PURPOSE AND HYPOTHESIS: Due to high rate of persisting dynamic posterior translation (DPT) following isolated coracoclavicular double-button technique for reconstruction of the acromioclavicular (AC) joint reported in the literature, an additional acromioclavicular cerclage was added to the procedure. The aim of this study was to evaluate the clinical and radiological results of patients with high-grade AC-joint instability treated with a double TightRope technique with an additional percutaneous acromioclavicular cerclage...
July 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28707542/the-physiological-consequences-of-different-distributions-of-diffuse-pleural-thickening-on-ct-imaging
#6
Duneesha de Fonseka, Anthony Edey, Louise Stadon, Jason Viner, Michael Darby, Nick A Maskell
OBJECTIVES: Diffuse pleural thickening refers to extensive visceral pleural fibrosis, with adhesion formation to the parietal pleura, obliterating the pleural space. The radiological definition of DPT remains controversial with most literature requiring the presence of an obliterated costophrenic angle for defining DPT. We conducted a study to investigate the variable distributions of DPT and associated lung function deficit. METHODS: Eighty-five patients referred to a pleural clinic with suspected pleural thickening were screened for our study...
July 14, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28704753/resveratrol-improves-prostate-fibrosis-during-progression-of-urinary-dysfunction-in-chronic-prostatitis
#7
Yi He, Hui-Zhi Zeng, Yang Yu, Jia-Shu Zhang, Xingping Duan, Xiao-Na Zeng, Feng-Tao Gong, Qi Liu, Bo Yang
AIM: We investigated whether prostate fibrosis was associated with urinary dysfunction in chronic prostatitis (CP) and whether resveratrol improved urinary dysfunction and the underlying molecular mechanism. METHODS: Rat model of CP was established via subcutaneous injections of DPT vaccine and subsequently treated with resveratrol. Bladder pressure and volume tests investigated the effect of resveratrol on urinary dysfunction in CP rats. Western blotting and immunohistochemical staining examined the expression level of C-kit/SCF and TGF-β/Wnt/β-catenin...
July 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28700047/influence-of-meteorological-variables-on-dengue-incidence-in-the-municipality-of-arapiraca-alagoas-brazil
#8
Washington Luiz Félix Correia
INTRODUCTION: Meteorological influences along with the lack of basic sanitation has contributed to disease outbreaks, resulting in large socio-economic losses, especially in terms of dengue. This study aimed to evaluate the meteorological influences on the monthly incidence of dengue in Arapiraca-AL, Brazil during 2008-2015. METHODS: We used generalized linear models constructed via logistic regression to assess the association between the monthly incidence of dengue (MID) of and 8 meteorological variables [rainfall (R), air temperature (AT), dew point temperature (DPT), relative humidity (RH), pressure surface, wind speed (WS), wind direction (WD), and gust], based on data obtained from DATASUS and meteorological station databases, respectively...
May 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28677662/pro-and-contra-provocation-tests-in-drug-hypersensitivity
#9
REVIEW
Ozge Soyer, Umit Murat Sahiner, Bulent Enis Sekerel
Drug provocation test (DPT) is the controlled administration of a drug to diagnose immune- or non-immune-mediated drug hypersensitivity and the last step for accurate recognition of drug hypersensitivity reactions when the previous diagnostic evaluations are negative or unavailable. A DPT is performed only if other conventional tests fail to yield conclusive results. In each clinical presentation, "to provoke or not to provoke" a patient should be decided after careful assessment of the risk-benefit ratio. Well-defined benefits of DPT include confirmative exclusion of diagnoses of drug hypersensitivity and provision of safe alternatives...
July 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28669144/cross-validation-of-a-team-based-learning-student-perception-scale-in-the-united-states
#10
Donald H Lein, John D Lowman, Christopher A Eidson, Hon K Yuen
Purpose: The purpose of this study was to cross-validate the factor structure of a previously developed Student Perceptions of Team-Based Learning (TBL) scale for medical students in an entry-level Doctor of Physical Therapy (DPT) program in the United States. Methods: Toward the end of two patient/client management courses, 115 DPT students completed the Student Perceptions of TBL questionnaire, with a response rate of 87%. Principal component analysis (PCA) and confirmatory factor analysis (CFA) were conducted to replicate and confirm the underlying factor structure of the scale...
June 29, 2017: Journal of Educational Evaluation for Health Professions
https://www.readbyqxmd.com/read/28660076/intraocular-pressure-axial-length-and-refractive-changes-after-phacoemulsification-and-trabeculectomy-for-open-angle-glaucoma
#11
Alina Popa-Cherecheanu, Raluca Claudia Iancu, Leopold Schmetterer, Ruxandra Pirvulescu, Valeria Coviltir
PURPOSE: To compare changes in intraocular pressure (IOP), axial eye length (AEL), and refractive outcome in primary open-angle glaucoma patients undergoing cataract surgery and trabeculectomy in dependence of the sequence of surgeries. MATERIALS AND METHODS: We retrospectively analysed 48 eyes. The changes in refraction, intraocular pressure, and axial eye length were analysed after surgery. In group A (21 subjects), phacoemulsification was performed before trabeculectomy, and in group B (27 subjects), trabeculectomy was performed before phacoemulsification with a minimum time span between interventions of 6 months...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28651625/iopromide-and-gadopentetic-acid-derived-preparates-used-in-mr-arthrography-may-be-harmful-to-chondrocytes
#12
Kadir Oznam, Duygu Yasar Sirin, Ibrahim Yilmaz, Yasin Emre Kaya, Mehmet Isyar, Seyit Ali Gumustas, Hanefi Ozbek, Semih Akkaya, Arda Kayhan, Mahir Mahirogullari
BACKGROUND: Magnetic resonance arthrography, a procedure through which contrast agents containing gadolinium and/or iopromide are administered intra-articularly, has become a useful tool in musculoskeletal diagnosis. Nevertheless, despite being considered safe for systemic use, certain tissue toxicities have been identified for both drugs. In this study, the effects of short-term exposure of human primary chondrocyte cell cultures to gadolinium and/or iopromide contrast agents were examined by assaying for stage-specific embryonic antigen-1 (SSEA-1) protein expression (a chondrogenic differentiation marker), cell viability, toxicity, and proliferation...
June 26, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28639087/haigis-and-srkt-formulae-accuracy-for-intentional-myopic-overcorrection
#13
Rodrigo Faeda Dalto, Miriam A Ferreira, Wilian Queiroz, Roberto Pinto Coelho, Jayter Silva Paula, Andre Messias
PURPOSE: To investigate the influence of preoperative biometric parameters on the accuracy of Haigis and SRKT formulae in predicting postoperative target refraction. METHODS: Retrospective analysis of 108 eyes (70 patients) underwent uneventful phacoemulsification surgery with implant of Alcon-SN60WF intraocular lens (IOL). Forty-five eyes were intentionally targeted to myopia (-0.75 to -1.25 dpt), while the others targeted between 0 and -0.75 dpt. Preoperative axial length and keratometry (K) were measured with optical biometry (LENSTAR-Haag-Streit)...
June 21, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28626820/factors-associated-with-surface-epithelial-keratopathy-after-optical-penetrating-keratoplasty
#14
Anuradha Raj, Renu Dhasmana, Harsh Bahadur
PURPOSE: The aim of the study was to evaluate the various donor and recipient factors associated with short-term prevalence of surface epithelial keratopathy after optical penetrating keratoplasty (OPK). METHODS: Preoperative and postoperative data of 91 eyes of 91 patients were reviewed retrospectively who had undergone OPK from March 2013 to February 2016. Donor and recipient data were analyzed for age and sex of the donor, cause of death, death to enucleation time (DET), death to preservation time (DPT), enucleation to utilisation time (EUT) and total time (TT), age and sex of recipient, indications of penetrating keratoplasty (PK), associated glaucoma and recipient size (RS)...
June 2017: Journal of Current Ophthalmology
https://www.readbyqxmd.com/read/28623712/deoxypodophyllotoxin-induces-cytoprotective-autophagy-against-apoptosis-via-inhibition-of-pi3k-akt-mtor-pathway-in-osteosarcoma-u2os-cells
#15
Sang-Hun Kim, Kyo-Min Son, Kwang-Youn Kim, Sun-Nyoung Yu, Sul-Gi Park, Young-Wook Kim, Hyo-Won Nam, Jeung-Tak Suh, Jae-Hoon Ji, Soon-Cheol Ahn
BACKGROUND: A natural compound deoxypodophyllotoxin (DPT) possesses potent anti-proliferative and anti-tumor properties on several cancer types. It triggers cell cycle arrest followed by apoptosis through various cellular processes. However, it is limited to the action mechanism of DPT-mediated cell death modes via apoptosis and autophagy. METHODS: Cell viability assay, morphological changes, annexin-V/propidium iodide (PI) assay, reactive oxygen species (ROS), acridine orange staining, and Western blot analyses were evaluated...
April 13, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28610538/study-of-death-to-preservation-time-and-its-impact-on-utilisation-of-donor-corneas
#16
Dhaval Patel, Radhika Tandon, Anita Ganger, Aarti Vij, Sanjeev Lalwani, Adarsh Kumar
To evaluate the impact of death-to-preservation time (DPT) on effective utilisation of donor corneas. In a prospective observational study conducted at our tertiary eye centre, donated corneas received over a 15-month period from November 2011 to January 2013 were evaluated. Donor age, donor refrigeration (done or not), DPT, endothelial cell density (ECD), corneal grading, clinical utilisation and surgical outcome after graft transplantation were noted. To analyse the impact of different DPT on donor cornea transplantation, primary outcome measures (corneal grading and endothelial cell density) and secondary outcome measures (primary graft failure and graft infection) were analysed...
January 1, 2017: Tropical Doctor
https://www.readbyqxmd.com/read/28602826/an-alternative-didactic-functional-and-topographic-systematization-of-the-spinal-muscles
#17
Vivianne Izabelle de Araújo Baptista, William Paganini Mayer, Ricardo Eustáquio da Silva, Ricardo Bragança de Vasconcellos Fontes, Josemberg da Silva Baptista
Back muscles are commonly described in a topographically-oriented manner without necessarily following morphological criteria. In this manner, non-standard terms may be employed which convey incorrect morphological concepts and demanding more time from both faculty and students to transmit knowledge. We propose a classification system for spinal muscles incorporating morphological concepts with the goal of facilitating knowledge transfer and suggest the term "spinal muscles". Those muscles were systematically divided and classified in seven strata from anterior to posterior: vertebro-appendicular (VA), transversarium (Tr), deep post-transversarium (DPT), middle post-transversarium (MPT), superficial post-transversarium (SPT), deep spino-appendicular (DSA) and superficial spino-appendicular (SSA)...
September 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28578396/neonicotinoid-induced-pathogen-susceptibility-is-mitigated-by-lactobacillus-plantarum-immune-stimulation-in-a-drosophila-melanogaster-model
#18
Brendan A Daisley, Mark Trinder, Tim W McDowell, Hylke Welle, Josh S Dube, Sohrab N Ali, Hon S Leong, Mark W Sumarah, Gregor Reid
Pesticides are used extensively in food production to maximize crop yields. However, neonicotinoid insecticides exert unintentional toxicity to honey bees (Apis mellifera) that may partially be associated with massive population declines referred to as colony collapse disorder. We hypothesized that imidacloprid (common neonicotinoid; IMI) exposure would make Drosophila melanogaster (an insect model for the honey bee) more susceptible to bacterial pathogens, heat stress, and intestinal dysbiosis. Our results suggested that the immune deficiency (Imd) pathway is necessary for D...
June 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28577519/drug-allergy-evaluation-for-betalactam-hypersensitivity-cross-reactivity-with-cephalosporines-carbapenems-and-negative-predictive-value
#19
Mona Al-Ahmad, Tito Rodriguez-Bouza
BACKGROUND: There are no studies on cross-reactivity of betalactams among patients allergic to penicillin, or on the negative predictive value (NPV) of penicillin allergy evaluation from Arabian Gulf countries OBJECTIVE: We aimed to assess the role and NPV of drug provocation test (DPT) for betalactam hypersensitivity reactions in patients referred for allergy evaluation in Kuwait METHODS: Skin test (ST) was performed for all patients with a history of betalactam hypersensitivity, other than anaphylaxis...
June 1, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28577391/shrimp-tab1-interacts-with-tak1-and-p38-and-activates-the-host-innate-immune-response-to-bacterial-infection
#20
Sheng Wang, Mengqiao Li, Bin Yin, Haoyang Li, Bang Xiao, Kai Lǚ, Zhijian Huang, Sedong Li, Jianguo He, Chaozheng Li
Mammalian TAB1 has been previously identified as transforming growth factor-β (TGF-β)-activated kinase 1 (TAK1) binding protein, which functions as the activator of TAK1 and p38. This report, for the first time, identified and characterized the homolog of TAB1 in shrimp, to be specific, the homolog gene from Litopenaeus vannamei, containing a 1560-bp open reading frame (ORF) that encoded a putative protein of 519 amino acids with the conserved PP2Cc (Serine/threonine phosphatases, family 2C, catalytic) domain in N-terminal and a TAK1 binding motif in C-terminus, has been cloned and named LvTAB1...
May 31, 2017: Molecular Immunology
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