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https://www.readbyqxmd.com/read/28608810/microcontact-imprinted-plasmonic-nanosensors-powerful-tools-in-the-detection-of-salmonella-paratyphi
#1
Işık Perçin, Neslihan Idil, Monireh Bakhshpour, Erkut Yılmaz, Bo Mattiasson, Adil Denizli
Identification of pathogenic microorganisms by traditional methods is slow and cumbersome. Therefore, the focus today is on developing new and quicker analytical methods. In this study, a Surface Plasmon Resonance (SPR) sensor with a microcontact imprinted sensor chip was developed for detecting Salmonella paratyphi. For this purpose, the stamps of the target microorganism were prepared and then, microcontact S. paratyphi-imprinted SPR chips were prepared with the functional monomer N-methacryloyl-L-histidine methyl ester (MAH)...
June 13, 2017: Sensors
https://www.readbyqxmd.com/read/28567098/barley-seedling-extracts-inhibit-rankl-induced-differentiation-fusion-and-maturation-of-osteoclasts-in-the-early-to-late-stages-of-osteoclastogenesis
#2
Sik-Won Choi, Shin-Hye Kim, Kwang-Sik Lee, Hyeon Jung Kang, Mi Ja Lee, Kie-In Park, Jin Hwan Lee, Ki Do Park, Woo Duck Seo
The number of patients with osteoporosis is increasing worldwide, and a decrease in bone mass is a main risk factor for fracture. The prevention of bone loss is critical for improving the quality of life for patients. However, the long-term use of antiosteoporotic agents is limited due to their side effects. Barley has been traditionally ingested for thousands of years as a safe, natural food with pharmaceutical properties, and its seedling can enhance the biological activity of the medicinal components found in food...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28559314/deciphering-the-landscape-of-host-barriers-to-listeria-monocytogenes-infection
#3
Ting Zhang, Sören Abel, Pia Abel Zur Wiesch, Jumpei Sasabe, Brigid M Davis, Darren E Higgins, Matthew K Waldor
Listeria monocytogenes is a common food-borne pathogen that can disseminate from the intestine and infect multiple organs. Here, we used sequence tag-based analysis of microbial populations (STAMP) to investigate Lmonocytogenes population dynamics during infection. We created a genetically barcoded library of murinized Lmonocytogenes and then used deep sequencing to track the pathogen's dissemination routes and quantify its founding population (Nb) sizes in different organs. We found that the pathogen disseminates from the gastrointestinal tract to distal sites through multiple independent routes and that Nb sizes vary greatly among tissues, indicative of diverse host barriers to infection...
June 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28499195/using-the-rubik-s-cube-to-directly-produce-paper-analytical-devices-for-quantitative-point-of-care-aptamer-based-assays
#4
Haiyan Fu, Juanhua Yang, Lin Guo, Jinfang Nie, Qiaobo Yin, Lang Zhang, Yun Zhang
In this article, we describe a facile method named as Rubik's Cube stamping (RCS) for equipment-free fabrication of microfluidic paper-based analytical devices (μPADs). RCS is inspired by the worldwide ubiquitous RC toy and requires no specialized electric equipment other than a classical six-faced RC that is assembled with home-made small iron components. It can pattern various rosin microstructures in paper simply by either using different functional faces of the modified RC or applying its internal pivot mechanism to adjust the components' patterning forms on one functional face...
May 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28476590/automating-mouse-weighing-in-group-homecages-with-raspberry-pi-micro-computers
#5
Omid Noorshams, Jamie D Boyd, Timothy H Murphy
BACKGROUND: Operant training systems make use of water or food restriction and make it necessary to weigh animals to ensure compliance with experimental endpoints. In other applications periodic weighing is necessary to assess drug side-effects, or as an endpoint in feeding experiments. Periodic weighing while essential can disrupt animal circadian rhythms and social structure. NEW METHOD: Automatic weighing system within paired mouse homecages. Up to 10 mice freely move between two cages (28×18×9cm) which were connected by a weighing chamber mounted on a load cell...
June 15, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28464485/education-preferences-of-people-with-gout-exploring-differences-between-indigenous-and-non-indigenous-peoples-from-rural-and-urban-locations
#6
Gareth J Treharne, Aimee C Richardson, Tia Neha, Niamh Fanning, Ronald Janes, Ben Hudson, Andrea Judd, Suzanne Pitama, Lisa K Stamp
OBJECTIVES: Gout typically responds well to medications but adherence might be improved by education that meets individuals' needs in a way that is inclusive of their ethnicity and rurality. The aim of this study was to compare educational preferences of: 1) Māori and New Zealand European (NZEuropean) individuals with gout; and 2) those living in rural or urban areas. METHODS: People with gout managed in primary care were recruited from two rural regions and one city within Aotearoa/New Zealand...
May 2, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28427355/identifying-and-characterizing-hepatitis-c-virus-hotspots-in-massachusetts-a-spatial-epidemiological-approach
#7
Thomas J Stopka, Michael A Goulart, David J Meyers, Marga Hutcheson, Kerri Barton, Shauna Onofrey, Daniel Church, Ashley Donahue, Kenneth K H Chui
BACKGROUND: Hepatitis C virus (HCV) infections have increased during the past decade but little is known about geographic clustering patterns. METHODS: We used a unique analytical approach, combining geographic information systems (GIS), spatial epidemiology, and statistical modeling to identify and characterize HCV hotspots, statistically significant clusters of census tracts with elevated HCV counts and rates. We compiled sociodemographic and HCV surveillance data (n = 99,780 cases) for Massachusetts census tracts (n = 1464) from 2002 to 2013...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28392253/ethical-imperatives-against-item-restriction-in-the-supplemental-nutrition-assistance-program
#8
Benjamin W Chrisinger
The Supplemental Nutrition Assistance Program (SNAP, formerly known as food stamps) is the federal government's largest form of food assistance, and a frequent focus of political and scholarly debate. Previous discourse in the public health community and recent proposals in state legislatures have suggested limiting the use of SNAP benefits on unhealthy food items, such as sugar-sweetened beverages (SSBs). This paper identifies two possible underlying motivations for item restriction, health and morals, and analyzes the level of empirical support for claims about the current state of the program, as well as expectations about how item restriction would change participant outcomes...
July 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28199319/development-of-food-photographs-for-use-with-children-aged-18-months-to-16-years-comparison-against-weighed-food-diaries-the-young-person-s-food-atlas-uk
#9
Emma Foster, Adrian Hawkins, Karen L Barton, Elaine Stamp, John N S Matthews, Ashley J Adamson
Traditional dietary assessment methods, used in the UK, such as weighed food diaries impose a large participant burden, often resulting in difficulty recruiting representative samples and underreporting of energy intakes. One approach to reducing the burden placed on the participant is to use portion size assessment tools to obtain an estimate of the amount of food consumed, removing the need to weigh all foods. An age range specific food atlas was developed for use in assessing children's dietary intakes. The foods selected and portion sizes depicted were derived from intakes recorded during the UK National Diet and Nutrition Surveys of children aged 1...
2017: PloS One
https://www.readbyqxmd.com/read/28187137/controlling-viral-outbreaks-quantitative-strategies
#10
Anna Mummert, Howard Weiss
Preparing for and responding to outbreaks of serious livestock infectious diseases are critical measures to safeguard animal health, public health, and food supply. Almost all of the current control strategies are empirical, and mass culling or "stamping out" is frequently the principal strategy for controlling epidemics. However, there are ethical, ecological, and economic reasons to consider less drastic control strategies. Here we use modeling to quantitatively study the efficacy of different control measures for viral outbreaks, where the infectiousness, transmissibility and death rate of animals commonly depends on their viral load...
2017: PloS One
https://www.readbyqxmd.com/read/28153814/weight-loss-associated-with-different-patterns-of-self-monitoring-using-the-mobile-phone-app-my-meal-mate
#11
Michelle C Carter, Victoria J Burley, Janet E Cade
BACKGROUND: Obesity is a major global public health issue due to its association with a number of serious chronic illnesses and its high economic burden to health care providers. Self-monitoring of diet has been consistently linked to weight loss. However, there is limited evidence about how frequently individuals need to monitor their diet for optimal weight loss. OBJECTIVE: The aim of this paper is to describe app usage frequency and pattern in the mobile phone arm of a previously conducted randomized controlled trial...
February 2, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28109411/the-challenge-in-improving-the-diets-of-supplemental-nutrition-assistance-program-recipients-a-historical-commentary
#12
EDITORIAL
Barry M Popkin
This paper provides a historical background for the current nutrition issues faced by the Supplemental Nutrition Assistance Program (SNAP). The Food Stamp Program evolved into SNAP during a period when U.S. diets, particularly those of the poor, became less healthful. During the 1960s, the U.S. (Kennedy-Johnson era) addressed malnutrition first with a pilot project focused on retail sales and cash food stamps, which showed that low-income consumers purchased relatively healthy foods for a fairly high-quality diet...
February 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28077861/economics-and-obesity-policy
#13
REVIEW
J L Lusk
This paper elucidates the challenges surrounding the economics of some popular obesity-related policy proposals. Solid economic justifications for anti-obesity policies are often lacking, and evidence suggests policies like fat and soda taxes or restrictions on food stamp spending are unlikely to substantively affect obesity prevalence. In short, many of the same factors that make obesity such a complicated and multifaceted issue extend to the economic analysis of public health policies.
June 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27824747/social-contributors-to-glycemic-control-in-gestational-diabetes-mellitus
#14
Laura C Colicchia, Kristiina Parviainen, Judy C Chang
OBJECTIVE: To evaluate the association of social factors with glycemic control in women with gestational diabetes mellitus (GDM). METHODS: A survey instrument assessing social support, access to healthy food, cooking and meal preparation, chaotic lifestyle, employer support, and physical and emotional responses to food was developed and administered to women with GDM at maternal-fetal medicine office visits. Validated scales were used to measure social support and life chaos (defined as organization, instability, and the ability to plan and prepare for the future)...
December 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27723171/does-the-timing-of-food-stamp-distribution-matter-a-panel-data-analysis-of-monthly-purchasing-patterns-of-us-households
#15
Elena Castellari, Chad Cotti, John Gordanier, Orgul Ozturk
In this paper, we examine the relationship between the timing of food stamp receipt and purchasing patterns. We combine data on state distribution dates of food stamps with scanner data on a panel of households purchases tracked between 2004 and 2011. We find that purchases of a variety of goods are meaningfully higher on receipt days, consistent with previous work that suggests that recipients are very impatient. Additionally, and importantly, estimates indicate that when food stamp receipt days fall on weekends, total monthly purchases within the same households are affected...
October 9, 2016: Health Economics
https://www.readbyqxmd.com/read/27712691/reversing-welfare-reform-immigrant-restoration-efforts-and-food-stamp-receipt-among-mexican-immigrant-families
#16
Stephanie Potochnick
The safety net that immigrants face today differs significantly from the immediate post-Welfare Reform era in terms of eligibility and economic context. To inform debates on immigrant access to the safety net, this paper examines implications of the 2002 Farm Security and Rural Investment Act, which restored food stamp eligibility to nearly two-thirds of immigrants who lost eligibility under Welfare Reform. Using data from the 1995-2013 Current Population Survey and a difference-in-difference design, I examine how restoration efforts have influenced food stamp participation and food insecurity rates among low-income Mexican immigrant households with children...
November 2016: Social Science Research
https://www.readbyqxmd.com/read/27697316/time-driven-activity-based-costing-to-identify-opportunities-for-cost-reduction-in-pediatric-appendectomy
#17
Yangyang R Yu, Paulette I Abbas, Carolyn M Smith, Kathleen E Carberry, Hui Ren, Binita Patel, Jed G Nuchtern, Monica E Lopez
PURPOSE: As reimbursement programs shift to value-based payment models emphasizing quality and efficient healthcare delivery, there exists a need to better understand process management to unearth true costs of patient care. We sought to identify cost-reduction opportunities in simple appendicitis management by applying a time-driven activity-based costing (TDABC) methodology to this high-volume surgical condition. METHODS: Process maps were created using medical record time stamps...
December 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27688993/participation-in-the-special-supplemental-nutrition-program-for-women-infants-and-children-is-not-associated-with-early-childhood-socioemotional-development-results-from-a-longitudinal-cohort-study
#18
Abigail Arons, Corneliu Bolbocean, Nicole R Bush, Frances A Tylavsky, Kaja Z LeWinn
Socioemotional development in early childhood has long-term impacts on health status and social outcomes, and racial and socioeconomic disparities in socioemotional skills emerge early in life. The Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) is an early childhood nutrition intervention with the potential to ameliorate these disparities. Our objective was to assess the impact of WIC on early socioemotional development in a longitudinal study. We examined the association between WIC participation and scores on the Brief Infant Toddler Social Emotional Assessment (BITSEA) in 327 predominantly African American mother-child dyads who were participants in the longitudinal Conditions Affecting Neurocognitive Development in Early Life (CANDLE) Study (Memphis, TN)...
December 2016: Preventive Medicine Reports
https://www.readbyqxmd.com/read/27395052/tremor12-an-open-source-mobile-app-for-tremor-quantification
#19
Pieter L Kubben, Mark L Kuijf, Linda P C M Ackermans, Albert F G Leentjes, Yasin Temel
BACKGROUND: Evaluating the effect of treatment of tremor is mostly performed with clinical rating scales. Mobile applications facilitate a more rapid, objective, and quantitative evaluation of treatment effect. Existing mobile apps do not offer raw data access, which limits algorithm development. OBJECTIVE: To develop a novel open-source mobile app for tremor quantification. METHODS: TREMOR12 is an open-source mobile app that samples acceleration, rotation, rotation speed, and gravity, each in 3 axes and time-stamped in a frequency up to 100 Hz...
2016: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/27373862/motives-underlying-food-choice-for-children-and-perception-of-nutritional-information-among-low-income-mothers-in-a-latin-american-country
#20
Leandro Machín, Ana Giménez, María Rosa Curutchet, Joseline Martínez, Gastón Ares
OBJECTIVE: The aim of the present study was to investigate the influence of nutritional information on how low-income mothers select food for their children. DESIGN: Five focus groups, each consisting of 5-10 participants, were conducted. PARTICIPANTS: Women, older than 18 years, mothers of young children who were beneficiaries of one of the national food stamps programs in Uruguay. PHENOMENON OF INTEREST: Focus group discussions were held around motives underlying food choices for children and perception of labeling systems...
July 2016: Journal of Nutrition Education and Behavior
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