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Johannes Hagemann, Tim Salditt
We present a phase reconstruction scheme for X-ray near-field holographic imaging based on a separability constraint for probe and object. In order to achieve this, we have devised an algorithm which requires only two measurements - with and without an object in the beam. This scheme is advantageous if the standard flat-field correction fails and a full ptychographic dataset can not be acquired, since either object or probe are dynamic. The scheme is validated by numerical simulations and by a proof-of-concept experiment using highly focused undulator radiation of the beamline ID16a of the European Synchrotron Radiation Facility (ESRF)...
September 4, 2017: Optics Express
Abdel-Hady El-Gilany, Fawzia El Sayed Abusaad
OBJECTIVES: To reveal mothers' beliefs about signs and symptoms associated with teething and their treatment practices. POPULATION AND METHODS: A cross-sectional study done in Mansoura District on 457 mothers and their children with one or more erupted teeth. Mothers were interviewed during vaccination session at 25 chosen health facilities. Mothers were asked whether they agree or disagree about 24 signs and symptoms claimed to be associated with teething. RESULTS: Only 1...
October 2017: Saudi Dental Journal
J-P Tchapet Njafa, S G Nana Engo
This paper presents the QAMDiagnos, a model of Quantum Associative Memory (QAM) that can be a helpful tool for medical staff without experience or laboratory facilities, for the diagnosis of four tropical diseases (malaria, typhoid fever, yellow fever and dengue) which have several similar signs and symptoms. The memory can distinguish a single infection from a polyinfection. Our model is a combination of the improved versions of the original linear quantum retrieving algorithm proposed by Ventura and the non-linear quantum search algorithm of Abrams and Lloyd...
September 21, 2017: Neural Networks: the Official Journal of the International Neural Network Society
Qingshou Chen, Xiangjun Meng, Paul McQuade, Daniel Rubins, Shu-An Lin, Zhizhen Zeng, Hyking Haley, Patricia Miller, Dinko Gonzalez Trotter, Philip S Low
The folate receptor (FR) has been established as a promising target for imaging and therapy of cancer (FR-α), inflammation, and autoimmune diseases (FR-β). Several folate-based PET radiotracers have been reported in the literature, but an 18F- labeled folate-PET imaging agent with optimal properties for clinical translation is still lacking. In the present study, we report the design and preclinical evaluation of folate-PEG12-NOTA-Al18F (1), a new folate-PET agent with improved potential for clinical applications...
October 13, 2017: Molecular Pharmaceutics
M S Khan, Y Ning, C Jinou, C Hutchison, J Yoong, X Lin, R J Coker
Delay in treating active tuberculosis (TB) impedes disease control by allowing ongoing transmission, and may explain the unexpectedly modest declines in global TB incidence. Even though China has achieved TB control targets under the global Directly Observed Treatment, Short course (DOTS) strategy, TB prevalence in western provinces, including Yunnan, is not decreasing. This cross-sectional study investigates whether prolonged delay in identifying and correctly treating TB patients, which is not routinely monitored, persists even when there is a well-functioning TB control programme and global targets are being met...
October 1, 2017: Health Policy and Planning
Eric Grommon
Cell phones in correctional facilities have emerged as one of the most pervasive forms of modern contraband. This issue has been identified as a top priority for many correctional administrators in the United States. Managed access, a technology that utilizes cellular signals to capture transmissions from contraband phones, has received notable attention as a promising tool to combat this problem. However, this technology has received little evaluative attention. The present study offers a foundational process evaluation and draws upon output measures and stakeholder interviews to identify salient operational challenges and subsequent lessons learned about implementing and maintaining a managed access system...
October 5, 2017: Evaluation and Program Planning
Femina P Varghese, Kendra M Anderson, Devon L Cummings, Erica Fitzgerald
The purpose of this study was to develop the Offender Job Search Self-Efficacy Scale (OFJSSE) for the specific job search needs of the criminal justice population. Participants were 249 male inmates within 2 years of release from a state correctional facility in the southern region of the United States who identified mostly as Caucasian (56.2%), single (62.2%), working-class (45.4%) men with a mean age of 36.27 years (SD = 10.38). Initial validation data are described, including results of an exploratory factor analysis...
October 12, 2017: Psychological Services
Zhipeng Wang, Shujing Wang, Yanbo Zhu, Pumin Xin
Ionospheric delay is one of the largest and most variable sources of error for Ground-Based Augmentation System (GBAS) users because inospheric activity is unpredictable. Under normal conditions, GBAS eliminates ionospheric delays, but during extreme ionospheric storms, GBAS users and GBAS ground facilities may experience different ionospheric delays, leading to considerable differential errors and threatening the safety of users. Therefore, ionospheric monitoring and assessment are important parts of GBAS integrity monitoring...
October 11, 2017: Sensors
John D Keen, Joanna M Keen, James E Keen
PURPOSE: Computer-aided detection (CAD) for screening mammography is a software technology designed to improve radiologists' reading performance. Since 2007, multiple Breast Cancer Surveillance Consortium research papers have shown that CAD decreases performance by increasing recalls and decreasing the detection of invasive cancer while increasing the detection of ductal carcinoma in situ. The aim of this study was to test the hypothesis that CAD use by digital mammography facilities would decrease over time...
October 5, 2017: Journal of the American College of Radiology: JACR
Ferda Öner Erkekol, Nurdan Köktürk, Dilşad Mungan, Cansın Saçkesen, Zeynep Pınar Önen, Seçil Özkan, Arzu Balkan, Pınar Ergün, Can Naci Kocabaş, Nur Baran Aksakal, Banu Ekici, Zübeyde Özkan Altunay, Bilun Gemicioğlu, Arzu Yorgancıoğlu
Introduction: Chronic obstructive pulmonary diseases are common causes of disease in the community and account for considerable percent of the caseload in primary health care facilities. For this reason, it is important to question and improve the knowledge of primary health care physicians. This study is designed to assess the level of knowledge for bronchial asthma and COPD of the primary healthcare physicians, both before and immediately after an educational course structured in the context of GARD Chronic Airway Diseases National Control Program...
June 2017: Tüberküloz Ve Toraks
Jonathan Besney, Danusia Moreau, Angela Jacobs, Dan Woods, Diane Pyne, A Mark Joffe, Rabia Ahmed
Correctional facilities face increased risk of communicable disease transmission and outbreaks. We describe the progression of an influenza outbreak in a Canadian remand facility and suggest strategies for preventing, identifying and responding to outbreaks in this setting. In total, six inmates had laboratory-confirmed influenza resulting in 144 exposed contacts. Control measures included enhanced isolation precautions, restricting admissions to affected living units, targeted vaccination and antiviral prophylaxis...
July 2017: Journal of Infection Prevention
Yvonne A Reid
One of the first considerations in using an existing cell line or establishing a new a cell line is the detailed proactive planning of all phases of the cell line management. It is necessary to have a well-trained practitioner in best practices in cell culture who has experience in receiving a new cell line into the laboratory, the correct and appropriate use of a cell line name, the preparation of cell banks, microscopic observation of cells in culture, growth optimization, cell count, cell subcultivation, as well as detailed protocols on how to expand and store cells...
October 6, 2017: In Vitro Cellular & Developmental Biology. Animal
Sondra Davis, Chad Friece, Nicki Roderman, Darrell Newcomer, Evangelina Castaneda
BACKGROUND: The primary purpose of this study is to determine whether insulin detemir is equivalent to insulin glargine in controlling hyperglycemia for the adult hospitalized patient on a basal-bolus treatment regimen. METHODS: A retrospective study was conducted at two acute care hospitals within the same health system. Patients from both facilities who were initiated on a basal-bolus subcutaneous insulin regimen were included in the study. The basal-bolus regimen consisted of three components: basal, bolus, and corrective insulin with only the data from the first seven days analyzed...
April 23, 2017: Pharmacy (Basel, Switzerland)
Sylvia Omulo, Samuel M Thumbi, Svetlana Lockwood, Jennifer R Verani, Godfrey Bigogo, Geoffrey Masyongo, Douglas R Call
We assessed knowledge and practices related to antibiotic use in Kibera, an urban informal settlement in Kenya. Surveys was employed at the beginning (entry) and again at the end (exit) of a 5-month longitudinal study of AMR. Two-hundred households were interviewed at entry, of which 149 were also interviewed at exit. The majority (>65%) of respondents in both surveys could name at least one antibiotic, with amoxicillin and cotrimoxazole jointly accounting for 85% and 77% of antibiotics mentioned during entry and exit, respectively...
2017: PloS One
Peter J Freeman, Reece K Hart, Liam J Gretton, Anthony J Brookes, Raymond Dalgleish
The Human Genome Variation Society (HGVS) variant nomenclature is widely used to describe sequence variants in scientific publications, clinical reports and databases. However, the HGVS recommendations are complex and this often results in inaccurate variant descriptions being reported. The open-source hgvs Python package ( provides a programmatic interface for parsing, manipulating, formatting and validating of variants according to the HGVS recommendations, but does not provide a user-friendly web interface...
October 1, 2017: Human Mutation
Anna Uhl, Faye A Hartmann, Katrina R Viviano
OBJECTIVE To evaluate the clinical performance of a commercially available compartmentalized urine culture and antimicrobial susceptibility test plate (CCSP) for identification of canine bacteriuria and assessment of isolate antimicrobial susceptibility. DESIGN Cross-sectional study. ANIMALS 71 dogs. PROCEDURES Urine samples (n = 84) were divided into 3 aliquots. One aliquot (reference culture) was plated on culture medium ≤ 1 hour after collection for quantitative culture and testing by standard laboratory methods, another was stored at 4°C for 24 hours (to mimic storage practices at primary care facilities) and then processed by standard methods, and the third was applied to a CCSP ≤ 1 hour after collection to be processed and interpreted according to manufacturer instructions...
October 15, 2017: Journal of the American Veterinary Medical Association
Marcelo José Monteiro Ferreira, Raimunda Hermelinda Maia Macena, Rosa Maria Salani Mota, Roberto da Justa Pires, Ageo Mário Cândido da Silva, Luiza Jane Eyre Sousa Vieira, Bernard Carl Kendall, Ligia Regina Franco Sansigolo Kerr
This article aims to estimate the prevalence and violence-associated factors in the work environment of female correctional officers in Brazil. A cross-sectional, analytical study was conducted in 15 female correctional facilities in Brazil's five regions. Pearson's chi-square test was performed. The Odds Ratio and Confidence Intervals were estimated for factors that showed a significant association or were confounding factors. The prevalence of having experienced at least one violent occurrence during professional duty as an officer was 28...
September 2017: Ciência & Saúde Coletiva
Alex Rothman, Shannon McConville, Renee Hsia, Lia Metzger, Cyrus Ahalt, Brie A Williams
BACKGROUND: Incarcerated populations worldwide are aging dramatically; in the United States, prisoner mortality rates have reached an all-time high. Little is known about the incarcerated patients who die in community hospitals. AIM: Compare incarcerated and non-incarcerated hospital decedents in California. DESIGN: Cross-sectional study. SETTING/PARTICIPANTS: All state hospital decedents ( N = 370,831) from 2009 to 2013, decedent age over time examined with additional data (2001-2013)...
September 1, 2017: Palliative Medicine
A A Sonzogni, E A McCutchan, A C Hayes
Current predictions for the antineutrino yield and spectra from a nuclear reactor rely on the experimental electron spectra from ^{235}U, ^{239}Pu, ^{241}Pu and a numerical method to convert these aggregate electron spectra into their corresponding antineutrino ones. In the present work we investigate quantitatively some of the basic assumptions and approximations used in the conversion method, studying first the compatibility between two recent approaches for calculating electron and antineutrino spectra. We then explore different possibilities for the disagreement between the measured Daya Bay and the Huber-Mueller antineutrino spectra, including the ^{238}U contribution as well as the effective charge and the allowed shape assumption used in the conversion method...
September 15, 2017: Physical Review Letters
Shibin Wang, Linna Cong, Chengcheng Zhao, Yiting Li, Yaoqi Pang, Yonghui Zhao, Shenggang Li, Yuhan Sun
Periodic density functional theory calculations were performed to study the surface structures and stabilities of the La2O3 catalyst in CO2 and O2 environments, relevant to the conditions of the oxidative coupling of methane (OCM) reaction. Thermodynamic stabilities of the clean surfaces were predicted to follow the order of (001) ≥ (011) ≫ (110) > (111) > (101) > (100), with their direct band gaps at the Γ point following the similar order of (001) > (011) > (110) > (111) > (100) > (101)...
October 11, 2017: Physical Chemistry Chemical Physics: PCCP
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