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https://www.readbyqxmd.com/read/28646666/detection-of-mycobacterium-avium-subspecies-paratuberculosis-in-powdered-infant-formula-using-is900-quantitative-pcr-and-liquid-culture-media
#1
Kamal R Acharya, Navneet K Dhand, Richard J Whittington, Karren M Plain
Mycobacterium avium subspecies paratuberculosis (MAP) has been implicated in Crohn's disease in humans resulting in public concern over the presence of MAP in powdered infant formula, which could contribute towards early human exposure to MAP or MAP components. Testing of representative powdered infant formula samples using effective tests is required to provide information on contamination of infant formula with MAP, so that consumers can make informed decisions. This study aimed to test representative powdered infant formula samples for the presence of MAP using a quantitative PCR and liquid culture method...
June 8, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28646537/explaining-infant-feeding-the-role-of-previous-personal-and-vicarious-experience-on-attitudes-subjective-norms-self-efficacy-and-breastfeeding-outcomes
#2
Naomi C Bartle, Kate Harvey
OBJECTIVES: Breastfeeding confers important health benefits to both infants and their mothers, but rates are low in the United Kingdom and other developed countries despite widespread promotion. This study examined the relationships between personal and vicarious experience of infant feeding, self-efficacy, the theory of planned behaviour variables of attitudes and subjective norm, and the likelihood of breastfeeding at 6-8 weeks post-natally. DESIGN: A prospective questionnaire study of both first-time mothers (n = 77) and experienced breastfeeders (n = 72) recruited at an antenatal clinic in South East England...
June 23, 2017: British Journal of Health Psychology
https://www.readbyqxmd.com/read/28646179/herbal-medicine-yinchenhaotang-protects-against-%C3%AE-naphthylisothiocyanate-induced-cholestasis-in-rats
#3
Jingyu Yan, Guoxiang Xie, Chungeng Liang, Yiyang Hu, Aihua Zhao, Fengjie Huang, Ping Hu, Ping Liu, Wei Jia, Xiaoning Wang
Cholestasis is a clinical disorder defined as an impairment of bile flow, and that leads to toxic bile acid (BA) accumulation in hepatocytes. Here, we investigated the hepatoprotective effect of Yinchenhaotang (YCHT), a well-known formulae for the treatment of jaundice and liver disorders, against the cholestasis using the α-naphthylisothiocyanate (ANIT)-induced cholestasis in male Wistar rats. ANIT feeding induced significant cholestasis with substantially increased intrahepatic retention of hydrophobic BAs...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646157/current-induced-resistive-state-in-fe-se-te-superconducting-nanostrips
#4
Ciro Nappi, Carlo Camerlingo, Emanuele Enrico, Emilio Bellingeri, Valeria Braccini, Carlo Ferdeghini, Ettore Sarnelli
We study the current-voltage characteristics of Fe(Se,Te) thin films deposited on CaF2 substrates in form of nanostrips (width w ~ λ, λ the London penetration length). In view of a possible application of these materials to superconductive electronics and micro-electronics we focus on transport properties in small magnetic field, the one generated by the bias current. From the characteristics taken at different temperatures we derive estimates for the pinning potential U and the pinning potential range δ for the magnetic flux lines (vortices)...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646153/giant-rashba-effect-at-the-topological-surface-of-prge-revealing-antiferromagnetic-spintronics
#5
Soma Banik, Pranab Kumar Das, Azzedine Bendounan, Ivana Vobornik, A Arya, Nathan Beaulieu, Jun Fujii, A Thamizhavel, P U Sastry, A K Sinha, D M Phase, S K Deb
Rashba spin-orbit splitting in the magnetic materials opens up a new perspective in the field of spintronics. Here, we report a giant Rashba spin-orbit splitting on the PrGe [010] surface in the paramagnetic phase with Rashba coefficient α R  = 5 eVÅ. We find that α R can be tuned in this system as a function of temperature at different magnetic phases. Rashba type spin polarized surface states originates due to the strong hybridization between Pr 4f states with the conduction electrons. Significant changes observed in the spin polarized surface states across the magnetic transitions are due to the competition between Dzyaloshinsky-Moriya interaction and exchange interaction present in this system...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645684/detection-and-quantification-of-223-ra-uptake-in-bone-metastases-of-patients-with-castration-resistant-prostate-carcinoma-with-the-aim-of-determining-the-absorbed-dose-in-the-metastases
#6
P Mínguez, A Gómez de Iturriaga, I L Fernández, E Rodeño
PURPOSES: To obtain the necessary acquisition and calibration parameters in order to evaluate the possibility of detecting and quantifying (223)Ra uptake in bone metastases of patients treated for castration resistant prostate carcinoma. Furthermore, in the cases in which the activity can be quantified, to determine the absorbed dose. MATERIAL AND METHODS: Acquisitions from a Petri dish filled with (223)Ra were performed in the gamma camera. Monte Carlo simulations were also performed to study the partial volume effect...
June 20, 2017: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/28644742/new-legal-requirements-for-submission-of-product-information-to-poisons-centres-in-eu-member-states
#7
Ronald de Groot, Pieter Brekelmans, Herbert Desel, Irma de Vries
In the past eight years, the European Association of Poisons Centres and Clinical Toxicologists (EAPCCT) has been intensively involved in a European Commission led process to develop EU legislation on the information of hazardous products that companies have to notify to EU Poisons Centres (or equivalent "appointed bodies"). As a result of this process, the Commission adopted Regulation (EU) No 2017/542, amending the CLP Regulation by adding an Annex on harmonised product submission requirements. Harmonised mixture information requirements: Detailed and consistent information on the composition of the hazardous product will become available to EU Poisons Centres (PC)...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28644661/soft-photon-and-graviton-theorems-in-effective-field-theory
#8
Henriette Elvang, Callum R T Jones, Stephen G Naculich
Extensions of the photon and graviton soft theorems are derived in 4D local effective field theories with massless particles of arbitrary spin. We prove that effective operators can result in new terms in the soft theorems at subleading order for photons and subsubleading order for gravitons. The new soft terms are unique, and we provide a complete classification of all local operators responsible for such modifications. We show that no local operators can modify the subleading soft graviton theorem. The soft limits are taken in a manifestly on-locus manner using a complex double deformation of the external momenta...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644613/impact-of-thermal-decomposition-on-thermal-desorption-instruments-advantage-of-thermogram-analysis-for-quantifying-volatility-distributions-of-organic-species
#9
Harald Stark, Reddy L N Yatavelli, Samantha L Thompson, Hyungu Kang, Jordan Edward Krechmer, Joel R Kimmel, Brett B Palm, Weiwei Hu, Patrick L Hayes, Douglas A Day, Pedro Campuzano-Jost, Manjula R Canagaratna, John T Jayne, Douglas R Worsnop, Jose L Jimenez
We present results from a high-resolution chemical ionization time-of-flight mass spectrometer (HRToF-CIMS), operated with two different thermal desorption inlets, designed to characterize the gas and aerosol composition. Data from two field campaigns at forested sites are shown. Particle volatility distributions are estimated using three different methods: thermograms, elemental formulas, and measured partitioning. Thermogram-based results are consistent with those from an aerosol mass spectrometer (AMS) with a thermal denuder, implying that thermal desorption is reproducible across very different experimental setups...
June 23, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28644610/mzmine-2-data-preprocessing-to-enhance-molecular-networking-reliability
#10
Florent Olivon, Gwendal Grelier, Fanny Roussi, Marc Litaudon, David Touboul
Molecular networking is becoming more and more popular into the metabolomic community to organize tandem mass spectrometry (MS2) data. Even though this approach allows the treatment and comparison of large data sets, several drawbacks related to the MS-Cluster tool routinely used on the Global Natural Product Social Molecular Networking platform (GNPS) limit its potential. MS-Cluster cannot distinguish between chromatography well-resolved isomers as retention times are not taken into account. Annotation with predicted chemical formulas is also not implemented and semi-quantification is only based on the number of MS2 scans...
June 23, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28644498/the-mechanism-of-anomalous-hardening-in-transition-metal-monoborides
#11
Yongcheng Liang, Zhenbang Gao, Ping Qin, Li Gao, Chun Tang
The quest for novel nanomaterials with unusual functionalities continues to be a central challenge to modern nanoscience. Here we report a surprisingly anomalous hardening behavior exhibited by a class of transition-metal monoborides (TMB). Most remarkable is the occurrence of the intrinsic hardness maximum at the valence-electron concentration (VEC) of about 8 electrons per formula unit (e per f.u.); both lower and higher VECs lead to the decrease of hardness, contrasting with the expected positive correlation between hardness and VEC...
June 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28644368/vitamin-d-deficiency-is-not-associated-with-growth-or-the-incidence-of-common-morbidities-among-tanzanian-infants
#12
Christopher R Sudfeld, Karim P Manji, Emily R Smith, Said Aboud, Rodrick Kisenge, Wafaie W Fawzi, Christopher P Duggan
OBJECTIVE: The objective of this study was to examine risk factors for vitamin D deficiency and determine the association of vitamin D status with child growth and incidence of common morbidities among Tanzanian infants. METHODS: A prospective cohort of 581 Tanzanian infants born to HIV-uninfected mothers had serum 25-hydroxyvitamin D (25(OH)D) assessed at 6 weeks and 6 months of age. Infants were seen at monthly clinic visits for growth monitoring until 18 months of age...
June 21, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644357/effect-of-synbiotic-on-the-gut-microbiota-of-cesarean-delivered-infants-a-randomized-double-blind-multicenter-study
#13
Mei Chin Chua, Kaouther Ben-Amor, Christophe Lay, Anne G E Neo, Wei Chin Chiang, Rajeshwar Rao, Charmaine Chew, Surasith Chaithongwongwatthana, Nipon Khemapech, Jan Knol, Voranush Chongsrisawat
We determined the effect of short-chain galacto-oligosaccharides (scGOS), long-chain fructo-oligosaccharides (lcFOS) and Bifidobacterium breve M-16V on the gut microbiota of cesarean-born infants. Infants were randomized to receive a standard formula (control), the same with scGOS/lcFOS and B. breve M-16V (synbiotic), or with scGOS/lcFOS (prebiotic) from birth until week 16, 30 subjects born vaginally were included as a reference group. Synbiotic supplementation resulted in a higher bifidobacteria proportion from day 3/5 (P < 0...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644096/comparisons-between-commercial-salivary-testosterone-enzyme-linked-immunosorbent-assay-kits
#14
Christoffer R Andersson, Jonas Bergquist, Elvar Theodorsson, Jakob O Ström
INTRODUCTION: Measuring testosterone concentrations is of interest both in clinical situations and for research, the latter expanding rapidly during recent years. An increased demand for convenient methods has prompted a number of companies to develop enzyme-linked immunosorbent assay (ELISA) kits to measure testosterone concentrations in saliva. However, the inter-comparability of kits from different manufacturers have yet to be determined. AIM OF STUDY: The aim of this study was to compare commercially available ELISA kits from four different manufacturers (Salimetrics, IBL, DRG and Demeditec)...
June 23, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28643898/identification-of-cross-reactive-b-cell-epitopes-between-bos-d-9-0101-bos-taurus-and-gly-m-5-0101-glycine-max-by-epitope-mapping-maldi-tof-ms
#15
Ángela María Candreva, Mario Ferrer-Navarro, Silvia Bronsoms, Alejandra Quiroga, Renata Curciarello, Ana Cauerhff, Silvana Petruccelli, Guillermo Horacio Docena, Sebastián Alejandro Trejo
Exposure to cow's milk constitutes one of the most common causes of food allergy. In addition, exposure to soy proteins has become relevant in a restricted proportion of milk allergic pediatric patients treated with soy formulae as a dairy substitute, because of the cross-allergenicity described between soy and milk proteins . We have previously identified several cross-reactive allergens between milk and soy that may explain this intolerance. The purpose of the present work was to identify epitopes in the purified αS1-casein and the recombinant soy allergen Gly m 5...
June 23, 2017: Proteomics
https://www.readbyqxmd.com/read/28643865/characterization-and-biological-function-of-milk-derived-mirnas
#16
Regina Golan-Gerstl, Yaffa Elbaum Shiff, Vardit Lavi-Moshayoff, Daniel Schecter Dena Leshkowitz, Shimon Reif
SCOPE: Breastfeeding is associated with reduced risk of infection, immune mediated disorders, obesity and even cancer. Recently it was found that breast milk contains a variety of microRNAs (miRNAs) in the skim and fat layer that can be transferred to infants, and appear to play important roles in those biological functions. METHODS AND RESULTS: This study applied Next Generation Sequencing and quantitative real time PCR analysis to determine the miRNA expression profile of the skim and fat fraction of human, goat, and bovine milk as well as infant formulas...
June 23, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28643515/structures-of-degradation-products-and-degradation-pathways-of-aflatoxin-b1-by-high-voltage-atmospheric-cold-plasma-hvacp-treatment
#17
Hu Shi, Bruce R Cooper, Richard L Stroshine, Klein E Ileleji, Kevin Keener
High voltage atmospheric cold plasma (HVACP) is a novel non-thermal decontamination technology that has potential for use in the food industry. In this study, HVACP was applied to treat pure aflatoxin B1 (AFB1) powder on a glass slide. AFB1 was degraded by 76% using a 5 min HVACP treatment in air having 40% relative humidity. The degradation products of AFB1 were separated and their molecular formulas were elucidated using liquid chromatography time of flight mass spectrometry (HPLC-TOF MS). Six main degradation products were observed...
June 23, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28643486/comparison-of-intact-pth-and-bio-intact-pth-assays-among-non-dialysis-dependent-chronic-kidney-disease-patients
#18
Yael Einbinder, Sydney Benchetrit, Eliezer Golan, Tali Zitman-Gal
BACKGROUND: The third-generation bio-intact parathyroid hormone (PTH) (1-84) assay was designed to overcome problems associated with the detection of C-terminal fragments by the second-generation intact PTH assay. The two assays have been compared primarily among dialysis populations. The present study evaluated the correlations and differences between these two PTH assays among patients with chronic kidney disease (CKD) stages 3 to 5 not yet on dialysis. METHODS: Blood samples were collected from 98 patients with CKD stages 3 to 5...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28643141/estimation-of-the-effective-yield-properties-of-human-trabecular-bone-using-nonlinear-micro-finite-element-analyses
#19
Patrik Wili, Ghislain Maquer, Jarunan Panyasantisuk, Philippe K Zysset
Micro-finite element ([Formula: see text]FE) analyses are often used to determine the apparent mechanical properties of trabecular bone volumes. Yet, these apparent properties depend strongly on the applied boundary conditions (BCs) for the limited size of volumes that can be obtained from human bones. To attenuate the influence of the BCs, we computed the yield properties of samples loaded via a surrounding layer of trabecular bone ("embedded configuration"). Thirteen cubic volumes (10.6 mm side length) were collected from [Formula: see text]CT reconstructions of human vertebrae and femora and converted into [Formula: see text]FE models...
June 22, 2017: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/28643131/strong-comma-free-codes-in-genetic-information
#20
Elena Fimmel, Christian J Michel, Lutz Strüngmann
Comma-free codes constitute a class of circular codes, which has been widely studied, in particular by Golomb et al. (Biologiske Meddelelser, Kongelige Danske Videnskabernes Selskab 23:1-34, 1958a, Can J Math 10:202-209, 1958b), Michel et al. (Comput Math Appl 55:989-996, 2008a, Theor Comput Sci 401:17-26, 2008b, Inf Comput 212:55-63, 2012), Michel and Pirillo (Int J Comb 2011:659567, 2011), and Fimmel and Strüngmann (J Theor Biol 389:206-213, 2016). Based on a recent approach using graph theory to study circular codes Fimmel et al...
June 22, 2017: Bulletin of Mathematical Biology
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