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Casmir E Amadi, Tim P Grove, Amam C Mbakwem, Obianuju B Ozoh, Oyewole A Kushimo, David A Wood, Michael Akinkunmi
BACKGROUND: Professional drivers are known to be at high risk of cardiovascular disease (CVD). This study was carried out to highlight these risk factors and their predictors among male long-distance professional bus drivers in Lagos, south-west Nigeria, with a view to improving health awareness in this group. METHOD: Socio-demographic data, anthropometric indices, blood pressure, fasting plasma blood glucose levels and lipid and physical activity profiles of 293 drivers were measured...
February 19, 2018: Cardiovascular Journal of Africa
Ignacio Miro Estruch, Laura H J de Haan, Diana Melchers, René Houtman, Jochem Louisse, John P Groten, Ivonne M C M Rietjens
Estrogen receptor alpha (ERα) and retinoic acid receptors (RARs) play important and opposite roles in breast cancer growth. While exposure to ERα agonists such as 17β-estradiol (E2 ) is related to proliferation, RAR agonists such as all-trans retinoic acid (AtRA) induce anti-proliferative effects. Although crosstalk between these pathways has been proposed, the molecular mechanisms underlying this interplay are still not completely unraveled. The aim of this study was to evaluate the effects of AtRA on ERα-mediated signaling in the ERα positive cell lines MCF7/BUS and U2OS-ERα-Luc to investigate some of the possible underlying modes of action...
February 15, 2018: Journal of Receptor and Signal Transduction Research
Liangyong Chu, Alexander V Korobko, Marcel Bus, Bart Boshuizen, Ernst J R Sudhoelter, Nicolaas A M Besseling
This paper describes a novel method to fabricate porous graphene oxide (PGO) from GO by exposure to oxygen plasma. GO comprises of graphene domains and more polar, hydroxylated ones. When exposed to oxygen plasma, the different GO domains are etched with different rates. Compared to other methods to fabricate PGO described so far, e.g. the thermal etching method, our method is faster by a factor 102 -103. We studied the development of the porosity with exposure time using atomic force microscopy (AFM). Surprisingly, we found that the development of PGO upon oxygen-plasma exposure is influenced by tapping mode AFM scanning using a Si tip...
February 15, 2018: Nanotechnology
Michał Kiełbus, Jakub Czapiński, Adrian Odrzywolski, Grażyna Stasiak, Kamila Szymańska, Joanna Kałafut, Michał Kos, Krzysztof Giannopoulos, Andrzej Stepulak, Adolfo Rivero-Müller
The discovery and domestication of biomolecules that respond to light has taken a light of its own, providing new molecular tools with incredible spatio-temporal resolution to manipulate cellular behavior. Areas covered: The authors herein analyze the current optogenetic tools in light of their current, and potential, uses in cancer drug discovery, biosafety and cancer biology. Expert opinion: The pipeline from drug discovery to the clinic is plagued with drawbacks, where most drugs fail in either efficacy or safety...
February 15, 2018: Expert Opinion on Drug Discovery
Isabelle Doohan, Lina Gyllencreutz, Ulf Björnstig, Britt-Inger Saveman
RATIONALE: There is a lack of long-term follow-up studies focused on injured and uninjured survivors' experiences of the recovery process after major traffic crashes. AIM: To explore all survivors' experiences of long-term physical and psychological consequences and recovery 5 years after a major bus crash. METHODOLOGICAL DESIGN AND JUSTIFICATION: A qualitative design was used to explore experiences in a 5-year follow-up study. RESEARCH METHODS: Participants were 54 survivors of a bus crash with 56 survivors and six fatalities...
February 12, 2018: Scandinavian Journal of Caring Sciences
Veda Vakili, Ahmad Reza Zarifian, Majid Khadem-Rezaiyan
BACKGROUND: The development of public transportation (PT) is a crucial issue in the modern societies. The aim of this study was to assess the status of PT usage among the population residing in Mashhad. MATERIALS AND METHODS: In a cross-sectional design, 464 citizens of Mashhad filled a checklist about PT-use (i.e., bus, taxi, and metro) to find their supporting and opposing factors in 2014. Chi-square, Mann-Whitney, Student's t-test, and logistic regressions were used for inferential analysis in SPSS 11...
2018: Journal of Education and Health Promotion
Chang Ho Hong, Jino Heo, Min Sung Kang, Jingak Jang, Hyung Jin Yang
We design an optical scheme to generate hyperentanglement correlated with degrees of freedom (DOFs) via quantum dots (QDs), weak cross-Kerr nonlinearities (XKNLs), and linearly optical apparatuses (including time-bin encoders). For generating hyperentanglement having its own correlations for two DOFs (polarization and time-bin) on two photons, we employ the effects of optical nonlinearities using a QD (photon-electron), a parity gate (XKNLs), and time-bin encodings (linear optics). In our scheme, the first nonlinear multi-qubit gate utilizes the interactions between photons and an electron of QD confined in a single-sided cavity, and the parity gate (second gate) uses weak XKNLs, quantum bus, and photon-number-resolving measurement to entangle the polarizations of two photons...
February 7, 2018: Scientific Reports
M C Zarcone, E Duistermaat, M J Alblas, A van Schadewijk, D K Ninaber, V Clarijs, M M Moerman, D Vaessen, P S Hiemstra, I M Kooter
Harmful effects of diesel emissions can be investigated via exposures of human epithelial cells, but most of previous studies have largely focused on the use of diesel particles or emission sources that are poorly representative of engines used in current traffic. We studied the cellular response of primary bronchial epithelial cells (PBECs) at the air-liquid interface (ALI) to the exposure to whole diesel exhaust (DE) generated by a Euro V bus engine, followed by treatment with UV-inactivated non-typeable Haemophilus influenzae (NTHi) bacteria to mimic microbial exposure...
February 8, 2018: Toxicology in Vitro: An International Journal Published in Association with BIBRA
Hooi Ling Khoo, Muaid Ahmed
This study had developed a passenger safety perception model specifically for buses taking into consideration the various factors, namely driver characteristics, environmental conditions, and bus characteristics using Bayesian Network. The behaviour of bus driver is observed through the bus motion profile, measured in longitudinal, lateral, and vertical accelerations. The road geometry is recorded using GPS and is computed with the aid of the Google map while the perceived bus safety is rated by the passengers in the bus in real time...
January 31, 2018: Accident; Analysis and Prevention
Viktoria Husz, Dorottya Bus, Gyorgy Vajda
Ovarian malignancies are rare in pregnancy; however, the incidence of abnormal adnexal masses diagnosed during pregnancy is increasing. The most common masses are ovarian cysts, and only 3-6% of those are malignant. The majority of ovarian masses are diagnosed at an early stage by routine ultrasound examinations. Malignant germ cell tumors are the most common ovarian malignancies associated with pregnancy, while the incidence of epithelial ovarian cancer is only 1:12,000-1:50,000 of pregnancies. The diagnosis and management of ovarian cancer during pregnancy remain unclear due to the rare occurrence and scant data on this condition...
January 2018: Molecular and Clinical Oncology
Ali Jafari, Nathanael Buswell, Maysam Ghovanloo, Tinoosh Mohsenin
This paper presents a low-power stand-alone tongue drive system (sTDS) used for individuals with severe disabilities to potentially control their environment such as computer, smartphone, and wheelchair using their voluntary tongue movements. A low-power local processor is proposed, which can perform signal processing to convert raw magnetic sensor signals to user-defined commands, on the sTDS wearable headset, rather than sending all raw data out to a PC or smartphone. The proposed sTDS significantly reduces the transmitter power consumption and subsequently increases the battery life...
February 2018: IEEE Transactions on Biomedical Circuits and Systems
Aidan Yuen, Carla Martins Rocha, Estie Kruger, Marc Tennant
OBJECTIVE: Advances in geospatial technologies have recognized the role of geographic distance as a barrier to healthcare accessibility. Frequent transportation is supposed to buffer issues with distance, while infrequent services impede the uptake of care. The role of public transportation on the accessibility of health care-including oral health care-is not well elucidated in the context of megacities, such as the municipality of São Paulo, Brazil. This study aimed to compare the supply of public transportation to primary dental clinics and the population between advantaged and disadvantaged areas in São Paulo city...
January 29, 2018: Community Dentistry and Oral Epidemiology
José Luis Sandoval, Teresa Leão, Stéphane Cullati, Jean-Marc Theler, Stéphane Joost, Jean-Paul Humair, Jean-Michel Gaspoz, Idris Guessous
INTRODUCTION: Smoking bans were suggested to reduce smoking prevalence and increase quit ratio but their equity impact remains unclear. We aimed to characterise the socioeconomic status (SES)-related inequalities in smoking prevalence and quit ratio before and after the implementation of a public smoking ban. METHODS: We included data from 17 544 participants in the population-based cross-sectional Bus Santé study in Geneva, Switzerland, between 1995 and 2014...
January 26, 2018: Tobacco Control
Jaap J van Netten, Peter A Lazzarini, David G Armstrong, Sicco A Bus, Robert Fitridge, Keith Harding, Ewan Kinnear, Matthew Malone, Hylton B Menz, Byron M Perrin, Klaas Postema, Jenny Prentice, Karl-Heinz Schott, Paul R Wraight
Background: The aim of this paper was to create an updated Australian guideline on footwear for people with diabetes. Methods: We reviewed new footwear publications, (inter)national guidelines, and consensus expert opinion alongside the 2013 Australian footwear guideline to formulate updated recommendations. Result: We recommend health professionals managing people with diabetes should: (1) Advise people with diabetes to wear footwear that fits, protects and accommodates the shape of their feet...
2018: Journal of Foot and Ankle Research
Kazuhiro Harada, Sangyoon Lee, Sungchul Lee, Seongryu Bae, Yuya Anan, Kenji Harada, Hiroyuki Shimada
OBJECTIVE: Although previous studies have shown that good access to public transportation is positively related with physical activity, the moderators of this relationship have not been explored sufficiently in older adults. It is possible that driving status could moderate this relationship. The present study examined whether the objectively measured distance between public transportation and the home was associated with physical activity levels, and whether this association was moderated by driving status among Japanese older adults...
January 25, 2018: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
Alain C Cuna, Jacob C Lee, Amie L Robinson, Nancy H Allen, Jennifer E Foley, Sherwin S Chan
Radiographic evaluation for necrotizing enterocolitis (NEC) often yields nonspecific findings. Bowel ultrasound (BUS) provides additional information beyond that of abdominal radiographs and may be helpful in the diagnosis of NEC in neonates. We systematically reviewed and aggregated existing literature to get a better estimate of diagnostic accuracy of BUS in the diagnosis of NEC. A literature search was performed using PubMed, Embase, and Cumulative Index to Nursing and Allied Health Literature to identify studies in which infants with clinically suspected NEC were evaluated using BUS...
January 23, 2018: Ultrasound Quarterly
Joost J M van Griethuysen, Elyse M Bus, Michael Hauptmann, Max J Lahaye, Monique Maas, Leon C Ter Beek, Geerard L Beets, Frans C H Bakers, Regina G H Beets-Tan, Doenja M J Lambregts
PURPOSE: Assess whether application of a micro-enema can reduce gas-induced susceptibility artefacts in Single-shot Echo Planar Imaging (EPI) Diffusion-weighted imaging of the rectum at 1.5 T. MATERIALS AND METHODS: Retrospective analysis of n = 50 rectal cancer patients who each underwent multiple DWI-MRIs (1.5 T) from 2012 to 2016 as part of routine follow-up during a watch-and-wait approach after chemoradiotherapy. From March 2014 DWI-MRIs were routinely acquired after application of a preparatory micro-enema (Microlax®; 5 ml; self-administered shortly before acquisition); before March 2014 no bowel preparation was given...
February 2018: European Journal of Radiology
Jeroen Douwes, Tania Slater, Mathangi Shanthakumar, Dave McLean, Ridvan Tua Firestone, Lissa Judd, Neil Pearce
This study assessed the risk of dermatitis, urticaria and loss of skin barrier function in 425 cleaners and 281 reference workers (retail workers and bus drivers). Symptoms, atopy and skin barrier function were assessed by questionnaire, skin prick tests, and measurement of transepidermal water loss. Cleaners had an increased risk of current (past 3 months) hand/arm dermatitis (14.8% vs. 10.0%; OR = 1.9, p < 0.05) and urticaria (11% vs. 5.3%; OR = 2.4, p < 0.05) and were more likely to have dermatitis as adults (17...
January 23, 2018: International Journal of Occupational and Environmental Health
Erica Reinhard, Emilie Courtin, Frank J van Lenthe, Mauricio Avendano
BACKGROUND: Social engagement and social isolation are key determinants of mental health in older age, yet there is limited evidence on how public policies may contribute to reducing isolation, promoting social engagement and improving mental health among older people. This study examines the impact of the introduction of an age-friendly transportation policy, free bus passes, on the mental health of older people in England. METHODS: We use an instrumental variable (IV) approach that exploits eligibility criteria for free bus passes to estimate the impact of increased public transportation use on depressive symptoms, loneliness, social isolation and social engagement...
January 19, 2018: Journal of Epidemiology and Community Health
Safila Naveed, Khan Usmanghani, Aisha Sana, Huma Ali, Farya Zafar, Fatima Qamar, Ghulam Sarwer, Sarah Abbas, M Tanweer Alam, Muhammad Ibrar Shinwari
Sensitive, simple, reliable and rapid HPLC technique for the estimation of simvastatin (SMV) and cetirizine has been designed in this study. The chromatographic conditions were set using Shimadzu LC-10 AT VP pump, with UV detector (SPD-10 AV-VP). System integration was performed with CBM-102 (Bus Module). Partitioning of components was attained with pre-packed C-18 column of Purospher Star (5 μm, 250 x 4.6 mm) at ambient conditions. Injected volume of sample was 10 μl. Mobile phase was composed of 50:50 v/v ratio of Acetonitrile/water (pH 3...
January 2018: Pakistan Journal of Pharmaceutical Sciences
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