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https://www.readbyqxmd.com/read/28820463/cycle-tracks-and-parking-environments-in-china-learning-from-college-students-at-peking-university
#1
Changzheng Yuan, Yangbo Sun, Jun Lv, Anne C Lusk
China has a historic system of wide cycle tracks, many of which are now encroached by cars, buses and bus stops. Even with these conditions, college students still bicycle. On campuses, students park their bikes on facilities ranging from kick-stand-plazas to caged sheds with racks, pumps and an attendant. In other countries, including Canada, some of the newer cycle tracks need to be wider to accommodate an increasing number of bicyclists. Other countries will also need to improve their bike parking, which includes garage-basement cages and two-tiered racks...
August 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28819178/curcumin-liposomes-interfere-with-quorum-sensing-system-of-aeromonas-sobria-and-in-silico-analysis
#2
Ting Ding, Tingting Li, Zhi Wang, Jianrong Li
Aeromonas sobria is opportunistic pathogen frequently found in environment and food. Interfering with its quorum sensing (QS) system could be a promising way to alleviate its virulence. In this study, curcumin liposomes were prepared and their characteristics like particle size, zeta potential, PDI (Polymey Disperse Index), encapsulation efficiency and loading capacity were measured. The quorum sensing inhibitory effect of curcumin liposomes under sub-MIC (Minimum Inhibitory Concentration) on siderophore production, swimming and swarming motility, extracellular proteases, biofilm formation and AHLs (N-acylhomoserine lactones) production of A...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814725/micromotor-enabled-active-drug-delivery-for-in-vivo-treatment-of-stomach-infection
#3
Berta Esteban-Fernández de Ávila, Pavimol Angsantikul, Jinxing Li, Miguel Angel Lopez-Ramirez, Doris E Ramírez-Herrera, Soracha Thamphiwatana, Chuanrui Chen, Jorge Delezuk, Richard Samakapiruk, Valentin Ramez, Liangfang Zhang, Joseph Wang
Advances in bioinspired design principles and nanomaterials have led to tremendous progress in autonomously moving synthetic nano/micromotors with diverse functionalities in different environments. However, a significant gap remains in moving nano/micromotors from test tubes to living organisms for treating diseases with high efficacy. Here we present the first, to our knowledge, in vivo therapeutic micromotors application for active drug delivery to treat gastric bacterial infection in a mouse model using clarithromycin as a model antibiotic and Helicobacter pylori infection as a model disease...
August 16, 2017: Nature Communications
https://www.readbyqxmd.com/read/28814162/insights-on-the-intersection-of-health-equity-and-school-nutrition-policy-implementation-an-exploratory-qualitative-secondary-analysis
#4
Yuka Asada, Alejandro Hughes, Jamie Chriqui
BACKGROUND: Recent federal policies aimed to ensure that all children have equitable access to healthy school nutrition environments. However, historically, disparities have persisted in the quality of school nutrition environments across geographic and socioeconomic groups. There is limited literature addressing if and how recent efforts to reform the school nutrition environment have influenced such disparities. The main objective of this study was to explore stakeholders' insights on how school nutrition reform intersected with issues of inequity...
August 1, 2017: Health Education & Behavior: the Official Publication of the Society for Public Health Education
https://www.readbyqxmd.com/read/28814104/factors-associated-with-low-neighborhood-cohesion-among-women-living-with-hiv-impacted-by-social-structural-inequities-in-british-columbia
#5
Kalysha Closson, Alexis K Palmer, Alexandra B Collins, Kate Salters, Wendy Zhang, Julio S G Montaner, Robert S Hogg, Surita Parashar
Built and social environments, including one's perception of their environment, are important determinants of health. The intersection of gender and HIV status may complicate the role of neighborhood cohesion in safety, personal well-being, and health outcomes for populations impacted by social and structural inequities. Among women in particular, social cohesion within the neighborhood they reside in may have a greater influence on health outcomes compared to their male counterparts. We sought to examine perception of neighborhood cohesion (validated scale with a range 0-100, with higher scores indicating higher perceived neighborhood cohesion) among women living with HIV, impacted by social-structural inequities, receiving combination antiretroviral therapy, and enrolled in the Longitudinal Investigations into Supportive Ancillary health services (LISA) study in British Columbia, Canada...
August 17, 2017: AIDS Care
https://www.readbyqxmd.com/read/28814063/icave-an-open-source-tool-for-visualizing-biomolecular-networks-in-3d-stereoscopic-3d-and-immersive-3d
#6
Vaja Liluashvili, Selim Kalayci, Eugene Fluder, Manda Wilson, Aaron Gabow, Zeynep H Gümüs
Visualizations of biomolecular networks assist in systems-level data exploration in many cellular processes. Data generated from high-throughput experiments increasingly inform these networks, yet current tools do not adequately scale with concomitant increase in their size and complexity. We present an open source software platform, interactome-CAVE (iCAVE), for visualizing large and complex biomolecular interaction networks in 3D. Users can explore networks (i) in 3D using a desktop, (ii) in stereoscopic 3D using 3D-vision glasses and a desktop, or (iii) in immersive 3D within a CAVE environment...
August 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28811583/bacterial-diversity-among-four-healthcare-associated-institutes-in-taiwan
#7
Chang-Hua Chen, Yaw-Ling Lin, Kuan-Hsueh Chen, Wen-Pei Chen, Zhao-Feng Chen, Han-Yueh Kuo, Hsueh-Fen Hung, Chuan Yi Tang, Ming-Li Liou
Indoor microbial communities have important implications for human health, especially in health-care institutes (HCIs). The factors that determine the diversity and composition of microbiomes in a built environment remain unclear. Herein, we used 16S rRNA amplicon sequencing to investigate the relationships between building attributes and surface bacterial communities among four HCIs located in three buildings. We examined the surface bacterial communities and environmental parameters in the buildings supplied with different ventilation types and compared the results using a Dirichlet multinomial mixture (DMM)-based approach...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810163/decoding-the-architecture-and-origins-of-mechanisms-for-developmental-polyphenism
#8
REVIEW
Joana Projecto-Garcia, Joseph F Biddle, Erik J Ragsdale
Developmental polyphenism affords a single genotype multiple solutions to match an organism to its environment. Because polyphenism is the extreme example of how development deviates from a linear genetic blueprint, it demands a genetic explanation for how environmental cues shunt development to hypothetically alternative modules. We highlight several recent advances that have begun to illuminate genetic mechanisms for polyphenism and how this recurring developmental novelty may arise. An emerging genetic knowledge of polyphenism is providing precise targets for testing hypotheses of how switch mechanisms are built-out of olfactory, nutrient-sensing, hormone-reception, and developmental and genetic buffering systems-to accommodate plasticity...
August 12, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28809754/associations-of-built-environment-and-children-s-physical-activity-a-narrative-review
#9
Houshmand E Masoumi
PROBLEM: Childhood obesity has been an epidemic particularly in high-income countries. There is a considerable volume of data and studies depicting the rising number of obese children and adolescents in different countries. As suggested by the literature, physical inactivity is one the main drivers of childhood obesity. This paper addresses the associations of the built environment with physical activity of children in order to find to theoretically facilitate intervention and prevention measures...
August 15, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28806469/climate-change-effects-on-respiratory-health-implications-for-nursing
#10
Maureen George, Jean-Marie Bruzzese, Lea Ann Matura
PURPOSE: Greenhouse gases are driving climate change. This article explores the adverse health effects of climate change on a particularly vulnerable population: children and adults with respiratory conditions. APPROACH: This review provides a general overview of the effects of increasing temperatures, extreme weather, desertification, and flooding on asthma, chronic obstructive lung disease, and respiratory infections. We offer suggestions for future research to better understand climate change hazards, policies to support prevention and mitigation efforts targeting climate change, and clinical actions to reduce individual risk...
August 14, 2017: Journal of Nursing Scholarship
https://www.readbyqxmd.com/read/28803573/the-school-environment-and-sugar-sweetened-beverage-consumption-among-guatemalan-adolescents
#11
Katelyn M Godin, Violeta Chacón, Joaquin Barnoya, Scott T Leatherdale
OBJECTIVE: The current study sought to examine Guatemalan adolescents' consumption of sugar-sweetened beverages (SSB), identify which individual-level characteristics are associated with SSB consumption and describe school characteristics that may influence students' SSB consumption. DESIGN: Within this observational pilot study, a questionnaire was used to assess students' consumption of three varieties of SSB (soft drinks, energy drinks, sweetened coffees/teas), as well as a variety of sociodemographic and behavioural characteristics...
August 14, 2017: Public Health Nutrition
https://www.readbyqxmd.com/read/28802979/navigating-professional-and-prescribing-boundaries-implementing-nurse-prescribing-in-new-zealand
#12
Anecita Gigi Lim, Nicola North, John Shaw
Non-medical prescribing is now well established in a number of countries. Because prescribing has traditionally been viewed as a medical role, there are inevitable interprofessional boundary tensions when non-medical prescribing is introduced. In New Zealand, enabling legislation has allowed nurse practitioners to apply for prescriptive authority after undertaking appropriate educational preparation. This study explored the experiences and perspectives of one of the first cohorts of nurse prescribers and their strategies in establishing the role and negotiating the associated professional boundaries...
August 8, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28802443/controlling-robots-in-the-home-factors-that-affect-the-performance-of-novice-robot-operators
#13
Conor McGinn, Aran Sena, Kevin Kelly
For robots to successfully integrate into everyday life, it is important that they can be effectively controlled by laypeople. However, the task of manually controlling mobile robots can be challenging due to demanding cognitive and sensorimotor requirements. This research explores the effect that the built environment has on the manual control of domestic service robots. In this study, a virtual reality simulation of a domestic robot control scenario was developed. The performance of fifty novice users was evaluated, and their subjective experiences recorded through questionnaires...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28802208/acute-effects-of-visits-to-urban-green-environments-on-cardiovascular-physiology-in-women-a-field-experiment
#14
Timo Lanki, Taina Siponen, Ann Ojala, Kalevi Korpela, Arto Pennanen, Pekka Tiittanen, Yuko Tsunetsugu, Takahide Kagawa, Liisa Tyrväinen
BACKGROUND: Epidemiological studies have reported positive associations between the amount of green space in the living environment and mental and cardiovascular human health. In a search for effect mechanisms, field studies have found short-term visits to green environments to be associated with psychological stress relief. Less evidence is available on the effect of visits on cardiovascular physiology. OBJECTIVES: To evaluate whether visits to urban green environments, in comparison to visits to a built-up environment, lead to beneficial short-term changes in indicators of cardiovascular health...
August 9, 2017: Environmental Research
https://www.readbyqxmd.com/read/28800894/examining-unanswered-questions-about-the-home-environment-and-childhood-obesity-disparities-using-an-incremental-mixed-methods-longitudinal-study-design-the-family-matters-study
#15
Jerica M Berge, Amanda Trofholz, Allan Tate, Maureen Beebe, Angela Fertig, Michael Miner, Scott Crow, Kathleen A Culhane-Pera, Shannon Pergament, Dianne Neumark-Sztainer
There are disparities in the prevalence of childhood obesity for children from low-income and minority households. Mixed-methods studies that examine home environments in an in-depth manner are needed to identify potential mechanisms driving childhood obesity disparities that have not been examined in prior research. The Family Matters study aims to identify risk and protective factors for childhood obesity in low-income and minority households through a two-phased incremental, mixed-methods, and longitudinal approach...
August 8, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28795799/the-tetraarylpyrrolo-3-2-b-pyrroles-from-serendipitous-discovery-to-promising-heterocyclic-optoelectronic-materials
#16
Maciej Krzeszewski, Dorota Gryko, Daniel T Gryko
Progress in organic optoelectronics requires compounds possessing a suitable combination of photophysical and electronic properties. Another key constraint encompasses the availability of feasible, and hopefully scalable, synthetic procedures for preparing the molecular scaffolds of interest. A multicomponent reaction of aromatic aldehydes, aromatic amines, and butane-2,3-dione that was discovered in 2013 gives straightforward access to previously unavailable 1,2,4,5-tetraarylpyrrolo[3,2-b]pyrroles. These dyes are examples of heteropentalenes-a class of 10-π-electron aromatic compounds...
August 10, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28794058/floristic-response-to-urbanization-filtering-of-the-bioregional-flora-in-indianapolis-indiana-usa
#17
Rebecca W Dolan, Myla F J Aronson, Andrew L Hipp
PREMISE OF THE STUDY: Globally, urban plant populations are becoming increasingly important, as these plants play a vital role in ameliorating effects of ecosystem disturbance and climate change. Urban environments act as filters to bioregional flora, presenting survival challenges to spontaneous plants. Yet, because of the paucity of inventory data on plants in landscapes both before and after urbanization, few studies have directly investigated this effect of urbanization. METHODS: We used historical, contemporary, and regional plant species inventories for Indianapolis, Indiana USA to evaluate how urbanization filters the bioregional flora based on species diversity, functional traits, and phylogenetic community structure...
August 9, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28792478/marine-inspired-2-5-halo-1h-indol-3-yl-n-n-dimethylethanamines-as-modulators-of-serotonin-receptors-an-example-illustrating-the-power-of-bromine-as-part-of-the-uniquely-marine-chemical-space
#18
Mohamed A Ibrahim, Abir T El-Alfy, Kelly Ezel, Mohamed O Radwan, Abbas G Shilabin, Anna J Kochanowska-Karamyan, Howaida I Abd-Alla, Masami Otsuka, Mark T Hamann
In previous studies, we have isolated several marine indole alkaloids and evaluated them in the forced swim test (FST) and locomotor activity test, revealing their potential as antidepressant and sedative drug leads. Amongst the reported metabolites to display such activities was 5-bromo-N,N-dimethyltryptamine. Owing to the importance of the judicious introduction of halogens into drug candidates, we synthesized two series built on a 2-(1H-indol-3-yl)-N,N-dimethylethanamine scaffold with different halogen substitutions...
August 9, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28792465/the-relationship-between-obesity-and-urban-environment-in-seoul
#19
Jungah Kim, Changwoo Shon, Seonju Yi
Obesity is a global pandemic that brings about a myriad of health consequences. In the past, policies for combating obesity mainly focused on improving individual health and behavior, but nowadays some policies have changed and now concentrate on improving the built environment believing this can improve health through positive changes to health-related behaviors. We examined whether both individual and environmental factors were associated with body mass index in Seoul, the capital city of South Korea. Data from the 2011 and 2013 Community Health Surveys were used (n = 20,147 men and 25,300 women)...
August 9, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28792228/what-do-you-say-before-you-relapse-how-language-use-in-a-peer-to-peer-online-discussion-forum-predicts-risky-drinking-among-those-in-recovery
#20
Rachel Kornfield, Catalina L Toma, Dhavan V Shah, Tae Joon Moon, David H Gustafson
Increasingly, individuals with alcohol use disorder (AUD) seek and provide support for relapse prevention in text-based online environments such as discussion forums. This paper investigates whether language use within a peer-to-peer discussion forum can predict future relapse among individuals treated for AUD. A total of 104 AUD sufferers who had completed residential treatment participated in a mobile phone-based relapse-prevention program, where they communicated via an online forum over the course of a year...
August 9, 2017: Health Communication
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