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https://www.readbyqxmd.com/read/28505818/anomalous-temperature-dependent-heat-transport-in-one-dimensional-momentum-conserving-systems-with-soft-type-interparticle-interaction
#1
Daxing Xiong
We numerically investigate the heat transport problem in a one-dimensional momentum-conserving lattice with a soft-type (ST) anharmonic interparticle interaction. It is found that with the increase of the system's temperature, while the introduction of ST anharmonicity softens phonons and decreases their velocities, this type of nonlinearity like its hard type (HT) counterpart, can still not be able to fully damp the longest wavelength phonons. Therefore, a usual anomalous temperature dependence of heat transport with certain scaling properties similarly to those shown in the Fermi-Pasta-Ulam-β-like systems with HT interactions can be seen...
April 2017: Physical Review. E
https://www.readbyqxmd.com/read/28503776/differences-in-dietary-and-lifestyle-habits-between-pregnant-women-with-small-fetuses-and-appropriate-for-gestational-age-fetuses
#2
Maria Dolores Gómez Roig, Edurne Mazarico, Silvia Ferrero, Rocío Montejo, Lourdes Ibáñez, Francisco Grima, Antonio Vela
AIM: The purpose of this study was to determine differences in lifestyle and dietary habits between pregnant women with small for gestational age (SGA) fetuses and those appropriate for gestational age (AGA). METHODS: This cross-sectional, prospective study was conducted over 14 months and included 46 mothers with SGA and 81 with AGA fetuses. Fetal growth was assessed by a routine third trimester scan. Participants completed questionnaires regarding dietary habits, lifestyle behavior and sociodemographic characteristics during the third trimester...
May 15, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28499433/servar-an-augmented-reality-tool-to-guide-the-serving-of-food
#3
Megan E Rollo, Tamara Bucher, Shamus P Smith, Clare E Collins
BACKGROUND: Accurate estimation of food portion size is a difficult task. Visual cues are important mediators of portion size and therefore technology-based aids may assist consumers when serving and estimating food portions. The current study evaluated the usability and impact on estimation error of standard food servings of a novel augmented reality food serving aid, ServAR. METHODS: Participants were randomised into one of three groups: 1) no information/aid (control); 2) verbal information on standard serving sizes; or 3) ServAR, an aid which overlayed virtual food servings over a plate using a tablet computer...
May 12, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28490087/use-of-ft-ir-ft-raman-and-thermal-analysis-to-evaluate-the-gel-formation-of-curdlan-produced-by-agrobacterium-sp-ifo-13140-and-determination-of-its-rheological-properties-with-food-applicability
#4
Camila Sampaio Mangolim, Thamara Thaiane da Silva, Vanderson Carvalho Fenelon, Adriane do Nascimento, Francielle Sato, Graciette Matioli
Curdlan is a linear polysaccharide composed of glucose units joined by β-(1,3) bonds that possesses unique gelation properties. This study aimed to characterize the structure and evaluate the gelling properties of curdlan produced by Agrobacterium sp. IFO 13140 and its gels, as well as apply it in food. FT-Raman analysis highlighted the structural changes that occurred during the formation of gels, with variations related to the hydrogen bonds and hydrophobic interactions, which occur with the formation of the low-set and high-set gels, respectively...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28453973/determinants-of-children-s-exposure-to-pyrethroid-insecticides-in-western-france
#5
Philippe Glorennec, Tania Serrano, Morgane Fravallo, Charline Warembourg, Christine Monfort, Sylvaine Cordier, Jean-François Viel, Florent Le Gléau, Barbara Le Bot, Cécile Chevrier
Pyrethroids are insecticides frequently used in agriculture and in the home; exposure occurs through dietary and non-dietary pathways, including indoor and outdoor environmental contamination. Our objective was to study the potential determinants of pyrethroid metabolite concentrations measured in children's urine samples and in the dust of their homes. Specifically, we measured urinary metabolites from morning spot samples of 245 six-year-old children living in Brittany (France) in 2009-2012 and from dust vacuumed from the floor of their homes...
April 25, 2017: Environment International
https://www.readbyqxmd.com/read/28437903/real-time-broadband-radio-frequency-spectrum-analyzer-based-on-parametric-spectro-temporal-analyzer-pasta
#6
Liao Chen, Yuhua Duan, Haidong Zhou, Xi Zhou, Chi Zhang, Xinliang Zhang
A real-time broadband radio frequency (RF) spectrum analyzer is proposed and experimentally demonstrated to rapidly measure the RF spectrum of broadband optical signal. Cross phase modulation in the highly-nonlinear fiber is used to convert the RF spectrum carried by the pump to the optical spectrum of the probe signal, then the optical spectrum is real-time analyzed with the parametric spectro-temporal analyzer (PASTA) technology. The system performances are investigated in detail, including bandwidth, resolution, frame rate, and dynamic range...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28436621/risk-factors-for-mortality-before-age-18-years-in-cystic-fibrosis
#7
Susanna A McColley, Michael S Schechter, Wayne J Morgan, David J Pasta, Marcia L Craib, Michael W Konstan
BACKGROUND: Understanding early-life risk factors for childhood death in cystic fibrosis (CF) is important for clinical care, including the identification of effective interventions. METHODS: Data from the Epidemiologic Study of Cystic Fibrosis (ESCF) collected 1994-2005 were linked with the Cystic Fibrosis Foundation Patient Registry (CFFPR) demographic and mortality data from 2013. Inclusion criteria were ≥1 visit annually at age 3-5 years and ≥1 FEV1 measurement at age 6-8 years...
April 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28431980/shear-stress-alterations-in-the-celiac-trunk-of-patients-with-a-continuous-flow-left-ventricular-assist-device-as-shown-by-in-silico-and-in-vitro-flow-analyses
#8
Francesco Scardulla, Salvatore Pasta, Leonardo D'Acquisto, Sergio Sciacca, Valentina Agnese, Christian Vergara, Alfio Quarteroni, Francesco Clemenza, Diego Bellavia, Michele Pilato
BACKGROUND: The use of left ventricular assist devices (LVADs) to treat advanced cardiac heart failure is constantly increasing, although this device leads to high risk for gastrointestinal bleeding. METHODS: Using in-silico flow analysis, we quantified hemodynamic alterations due to continuous-flow LVAD (HeartWare, Inc., Framingham, MA) in the celiac trunk and major branches of the abdominal aorta, and then explored the relationship between wall shear stress (WSS) and celiac trunk orientation...
March 24, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28424064/effectiveness-of-triple-therapy-with-direct-acting-antivirals-for-hepatitis-c-genotype-1-infection-application-of-propensity-score-matching-in-a-national-hcv-treatment-registry
#9
Emma Gray, David J Pasta, Suzanne Norris, Aisling O'Leary
BACKGROUND: Observational studies are used to measure the effectiveness of an intervention in non-experimental, real world scenarios at the population level and are recognised as an important component of the evidence pyramid. Such data can be accrued through prospective cohort studies and a patient registry is a proven method for this type of study. The national hepatitis C (HCV) registry was established in Ireland in 2012 with the aim of monitoring the clinical and economic outcomes from new, high cost regimens for the treatment of HCV infection...
April 19, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28415322/thermal-rectification-in-mass-graded-next-nearest-neighbor-fermi-pasta-ulam-lattices
#10
M Romero-Bastida, Jorge-Orlando Miranda-Peña, Juan M López
We study the thermal rectification efficiency, i.e., quantification of asymmetric heat flow, of a one-dimensional mass-graded anharmonic oscillator Fermi-Pasta-Ulam lattice both with nearest-neighbor (NN) and next-nearest-neighbor (NNN) interactions. The system presents a maximum rectification efficiency for a very precise value of the parameter that controls the coupling strength of the NNN interactions, which also optimizes the rectification figure when its dependence on mass asymmetry and temperature differences is considered...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28415308/thermal-transport-in-the-fermi-pasta-ulam-model-with-long-range-interactions
#11
Debarshee Bagchi
We study the thermal transport properties of the one-dimensional Fermi-Pasta-Ulam model (β type) with long-range interactions. The strength of the long-range interaction decreases with the (shortest) distance between the lattice sites as distance^{-δ}, where δ≥0. Two Langevin heat baths at unequal temperatures are connected to the ends of the one-dimensional lattice via short-range harmonic interactions that drive the system away from thermal equilibrium. In the nonequilibrium steady state the heat current, thermal conductivity, and temperature profiles are computed by solving the equations of motion numerically...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28410796/-improving-diet-quality-in-children-through-a-new-nutritional-education-programme-infadimed
#12
Maria Del Mar Bibiloni, Jordi Fernández-Blanco, Noemí Pujol-Plana, Núria Martín-Galindo, Maria Mercè Fernández-Vallejo, Mariona Roca-Domingo, Juan Chamorro-Medina, Josep A Tur
OBJECTIVE: To assess the results of a nutritional education programme developed by using available local resources to improve diet quality and decrease overweight and obesity prevalence among children. METHOD: A longitudinal intervention study by means of nutritional education (INFADIMED) in children (aged 3-7 years) from Vilafranca del Penedès (Barcelona, Spain), recruited from preschool centres and primary schools, with an intervention or INFADIMED group (n=319; 50...
April 11, 2017: Gaceta Sanitaria
https://www.readbyqxmd.com/read/28397752/wholegrain-food-acceptance-in-young-singaporean-adults
#13
Jia En Neo, Iain A Brownlee
Previous epidemiological evidence suggests that habitual consumption of whole grains is associated with reduction of disease risk. While wholegrain food consumption appears to be increasing in Singapore, it is still low, with more infrequent consumption noted in younger Singaporeans. Therefore, the primary objective of this study is to determine the knowledge of whole grains and barriers to consumption of wholegrain foods. Thirty participants (age range 21-26 year, 19 females) took part in two focus groups separated by a 2-week period in which participants trialled a range of wholegrain foods...
April 8, 2017: Nutrients
https://www.readbyqxmd.com/read/28396048/effects-of-aroma-and-taste-independently-or-in-combination-on-appetite-sensation-and-subsequent-food-intake
#14
Wenting Yin, Louise Hewson, Robert Linforth, Moira Taylor, Ian D Fisk
Food flavour is important in appetite control. The effects of aroma and taste, independently or in combination, on appetite sensation and subsequent food intake, were studied. Twenty-six females (24 ± 4 years, 20.9 ± 1.9 kg⋅m(-2)) consumed, over 15 min period, one of four sample drinks as a preload, followed by an ad libitum consumption of a pasta meal (after 65 min). Sample drinks were: water (S1, 0 kcal), water with strawberry aroma (S2, 0 kcal), water with sucrose and citric acid (S3, 48 kcal) and water with strawberry aroma, sucrose and citric acid (S4, 48 kcal)...
April 7, 2017: Appetite
https://www.readbyqxmd.com/read/28386709/in-silico-analysis-of-five-missense-mutations-in-cyp1b1-gene-in-pakistani-families-affected-with-primary-congenital-glaucoma
#15
Sabika Firasat, Haiba Kaul, Usman Ali Ashfaq, Sobia Idrees
PURPOSE: The purpose of this study was to characterize the five missense mutations in CYP1B1 gene identified in Pakistani families affected with primary congenital glaucoma (PCG) using various bioinformatics and protein modeling tools. METHODS: We previously reported four novel missense mutations in CYP1B1 gene segregating in consanguineous Pakistani families. These mutations were identified by direct sequencing of all coding exons, the exon-intron boundaries and the 5' untranslated region of CYP1B1 using genomic DNA from affected and unaffected family members...
April 6, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28370110/steady-dynamic-and-structural-deformation-three-interval-thixotropy-test-characteristics-of-gluten-free-tarhana-soup-prepared-with-different-concentrations-of-quinoa-flour
#16
M Kürşat Demir, Gözde Kutlu, Mustafa T Yilmaz
Celiac disease is among the most important health problems and the most important feature of this disease is its being the only lifelong food allergy. To overcome this problem, some gluten-free and starch based food products have been generally introduced to the market; however, these products are starch based with low nutritive value. Therefore, it is important to enrich such products for individuals who are obliged to be nourished by gluten-free diet. In this study, wheat flour was replaced with quinoa flour (QF) in the production of tarhana...
April 2017: Journal of Texture Studies
https://www.readbyqxmd.com/read/28351482/fermi-pasta-ulam-auto-recurrence-in-the-description-of-the-electrical-activity-of-the-heart
#17
M A Novopashin, A V Shmid, A A Berezin
The authors proposed and mathematically described model of a new type of the Fermi-Pasta-Ulam recurrence (the FPU auto recurrence) and hypothesized an adequate description of the heart's electrical dynamics within the observed phenomenon. The dynamics of the FPU auto recurrence making appropriate electrical dynamics of the normal functioning of the heart in the form of an electrocardiogram (ECG) was obtained by a computer model study. The model solutions in the form of the FPU auto recurrence - ECG Fourier spectrum were evaluated for resistance to external disturbances in the form of random effects, as well as periodic perturbation at a frequency close to the heart beating rate of about 1Hz...
April 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28347138/identification-of-early-represented-gluten-proteins-during-durum-wheat-grain-development
#18
Maria Fiorella Mazzeo, Luigia Di Stasio, Chiara D'Ambrosio, Simona Arena, Andrea Scaloni, Simona Corneti, Aldo Ceriotti, Roberto Tuberosa, Rosa Anna Siciliano, Gianluca Picariello, Gianfranco Mamone
The time course of biosynthesis and accumulation of storage proteins in developing grains of durum wheat (Triticum turgidum ssp. durum (Desf.) Husn.) pasta-quality reference cv. Svevo was investigated at the protein level for the first time. Seeds were harvested at key kernel developmental stages, namely, 3 (seed increase 3-fold in size), 5 (kernel development, water-ripe stage), 11 (kernel development, water-ripe stage), 16 (kernel full development, water-ripe stage), 21 (milk-ripe stage), and 30 (dough stage) days postanthesis (dpa)...
April 5, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28343194/lipid-metabolism-and-feeding-habits-of-indigenous-peoples-of-the-sakha-republic-yakutia-in-today-s-socio-economic-development
#19
Vadim G Krivoshapkin, Anna I Sivtseva, Elena N Sivtseva, Svetlana S Maximova, Leonid F Timofeev, Aytalina S Golderova
INTRODUCTION: By results of a single-step epidemiological research indicators of a lipid range at 355 Evenks of the Olenyoksky District of the Republic of Sakha (Yakutia) are estimated. The aim of this research was assessment of lipid exchange and character of a delivery of Evenks of the item of Zhilinda. MATERIAL AND METHODS: 355 evenks aged over 20 years (170 men, women-185). Total cholesterol (OCHS), cholesterol (low-density lipoproteins (LDL-CHOLESTEROL), highdensity lipoprotein cholesterol ((XC-LVNP), triglycerides (TG), the calculated coefficient of haemoglobin (Ka)...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28340360/the-influence-of-carbohydrate-consumption-on-glycemic-control-in-pregnant-women-with-type-1-diabetes
#20
Björg Ásbjörnsdóttir, Cecelia E Akueson, Helle Ronneby, Ane Rytter, Jens R Andersen, Peter Damm, Elisabeth R Mathiesen
AIMS: To study the influence of the quantity and the quality of carbohydrate consumption on glycemic control in early pregnancy among women with type 1 diabetes. METHODS: A retrospective study of 107 women with type 1 diabetes who completed 1-3days of diet recording before first antenatal visit, as a part of routine care. The total daily carbohydrate consumption from the major sources (e.g. bread, potatoes, rice, pasta, dairy products, fruits, candy) was calculated...
December 23, 2016: Diabetes Research and Clinical Practice
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