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https://www.readbyqxmd.com/read/28324950/a-preliminary-evaluation-of-myoelectrical-energy-distribution-of-the-front-neck-muscles-in-pharyngeal-phase-during-normal-swallowing
#1
Mingxing Zhu, Wanzhang Yang, Oluwarotimi Williams Samuel, Yun Xiang, Jianping Huang, Haiqing Zou, Guanglin Li
Pharyngeal phase is a central hub of swallowing in which food bolus pass through from the oral cavity to the esophageal. Proper understanding of the muscular activities in the pharyngeal phase is useful for assessing swallowing function and the occurrence of dysphagia in humans. In this study, high-density (HD) surface electromyography (sEMG) was used to study the muscular activities in the pharyngeal phase during swallowing tasks involving three healthy male subjects. The root mean square (RMS) of the HD sEMG data was computed by using a series of segmented windows as myoelectrical energy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324857/homoagglomeration-and-heteroagglomeration-of-tio2-in-nanoparticle-and-bulk-form-onto-freshwater-and-marine-microalgae
#2
M Sendra, M P Yeste, J M Gatica, I Moreno-Garrido, J Blasco
TiO2 nanoparticles (TiO2 NPs) are employed in many products (paints, personal care products, especially sunscreens, plastics, paper, water potabilization and food products) and are then released into the environment from these products. These nanoparticles present potential risk to freshwater and marine microalgae. The primary toxicity mechanism is adsorption between NPs and microalgae (heteroagglomeration); however, studies of interactions of this kind are scarce. We investigated the heteroagglomeration process that occurs between two forms of TiO2 material, nanoparticles and bulk, and three different microalgae species, and under different environmental conditions (freshwater and marine water), in order to assess the influence of pH and ionic strength (IS)...
March 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28324837/status-of-pesticides-pollution-in-tanzania-a-review
#3
REVIEW
Raheli Elibariki, Mihayo Musabila Maguta
Various studies have been conducted in Tanzania to assess the magnitude of pesticides pollution associated with pesticides application, storage, disposal as well as knowledge of farmers on pesticides handling. The studies analysed samples from different matrices covering vegetation, biota, water, sediments and soil. The objective of this review was to summarise the results of pesticides residues reported in different components of the environment to give a clear picture of pesticides pollution status in the country for law enforcement as well as for taking precaution measures...
March 9, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324834/ivermectin-alters-reproductive-success-body-condition-and-sexual-trait-expression-in-dung-beetles
#4
Daniel González-Tokman, Imelda Martínez M, Yesenia Villalobos-Ávalos, Roberto Munguía-Steyer, María Del Rosario Ortiz-Zayas, Magdalena Cruz-Rosales, Jean-Pierre Lumaret
Ivermectin is a very common parasiticide used in livestock. It is excreted in the dung and has negative effects on survival and reproduction of dung-degrading organisms, including dung beetles. Here we exposed the dung beetle Euoniticellus intermedius to different concentrations of ivermectin in the food and evaluated reproductive success and the expression of traits associated with survival and reproduction under laboratory conditions. It is the first time the effects of ivermectin were evaluated on offspring physiological condition and the expression of a secondary sexual trait...
March 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324829/interactive-effects-of-an-insecticide-and-a-fungicide-on-different-organism-groups-and-ecosystem-functioning-in-a-stream-detrital-food-web
#5
Mohab Dawoud, Mirco Bundschuh, Willem Goedkoop, Brendan G McKie
Freshwater ecosystems are often affected by cocktails of multiple pesticides targeting different organism groups. Prediction and evaluation of the ecosystem-level effects of these mixtures is complicated by the potential not only for interactions among the pesticides themselves, but also for the pesticides to alter biotic interactions across trophic levels. In a stream microcosm experiment, we investigated the effects of two pesticides targeting two organism groups (the insecticide lindane and fungicide azoxystrobin) on the functioning of a model stream detrital food web consisting of a detritivore (Ispoda: Asellus aquaticus) and microbes (an assemblage of fungal hyphomycetes) consuming leaf litter...
March 9, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28324819/impact-of-different-feedstocks-derived-biochar-amendment-with-cadmium-low-uptake-affinity-cultivar-of-pak-choi-brassica-rapa-ssb-chinensis-l-on-phytoavoidation-of-cd-to-reduce-potential-dietary-toxicity
#6
Kiran Yasmin Khan, Barkat Ali, Xiaoqiang Cui, Ying Feng, Xiaoe Yang, Peter Joseph Stoffella
Biochar has become eco-friendly amendment used for phytoavoidation with low cadmium (Cd) accumulating cultivars of crops to ensure food safety in Cd contaminated soils. In this study, biochar with different waste feedstock material were evaluated for their effectiveness on essential trace metals mobility, Cd bioavailability and its accumulation in two contrasting Cd accumulating cultivars of pak choi (Brassica rapa ssp. chinensis L.) grown in Cd contaminated Mollisol soil. A greenhouse experiment was conducted with plants grown in Cd contaminated soil that had been amended with biochar derived from barley straw, tomato green waste, chicken manure, duck manure and swine manure at application rate of 0%, 2...
March 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28324817/developmental-toxicity-and-induction-of-vitellogenin-in-embryo-larval-stages-of-zebrafish-danio-rerio-exposed-to-methyl-paraben
#7
Vrinda Yatin Dambal, Karthikeyan Ponnien Selvan, Christy Lite, S Barathi, Winkins Santosh
MethylParaben (MP), a methyl ester of p-hydroxybenzoic acid, is used as an anti-microbial preservative in foods, drugs and cosmetics for decades. It enters the aquatic environment, and can have toxic effects on aquatic organisms. Little is known on the developmental toxicity of MP exposure to zebrafish during early life stages. In this study, the developmental effects of MP were evaluated in embryo-larval zebrafish (at concentrations ranging from 100μM, 200μM, 400µM, 800μM and 1000μM for 96h post fertilization (hpf)...
March 18, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28324785/-ub006-a-new-fatty-acid-synthase-inhibitor-and-cytotoxic-agent-without-anorexic-side-effects
#8
Kamil Makowski, Joan Francesc Mir, Paula Mera, Xavier Ariza, Guillermina Asins, Fausto G Hegardt, Laura Herrero, Jordi García, Dolors Serra
C75 is a synthetic anticancer drug that inhibits fatty acid synthase (FAS) and shows a potent anorexigenic side effect. In order to find new cytotoxic compounds that do not impact food intake, we synthesized a new family of C75 derivatives. The most promising anticancer compound among them was UB006 ((4SR,5SR)-4-(hydroxymethyl)-3-methylene-5-octyldihydrofuran-2(3H)-one). The effects of this compound on cytotoxicity, food intake and body weight were studied in UB006 racemic mixture and in both its enantiomers separately...
March 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28324761/chocolate-consumption-and-risk-of-stroke-among-men-and-women-a-large-population-based-prospective-cohort-study
#9
Jia-Yi Dong, Hiroyasu Iso, Kazumasa Yamagishi, Norie Sawada, Shoichiro Tsugane
BACKGROUND AND AIMS: Chocolate consumption may have a beneficial effect on cardiovascular health, but evidence from prospective cohort studies is still limited. We aimed to examine the prospective associations between chocolate consumption and risk of stroke among men and women in a large population-based cohort. METHODS: A total of 38,182 men and 46,415 women aged 44-76 years, and free of cardiovascular disease, diabetes, and cancer at baseline in 1995 and 1998, were followed up until the end of 2009 and 2010, respectively...
March 4, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28324718/l-arginine-assisted-one-pot-synthesis-of-hierarchical-ag1pt2-nanocorallines-for-surface-enhanced-raman-spectroscopy
#10
Liu-Ying Jiang, Xin-Sheng Li, Ai-Jun Wang, Hong Huang, Jiu-Ju Feng
The hierarchical multi-branched Ag1Pt2 nanocorallines (NCs) were prepared in a large scale by a rapid aqueous method, using l-arginine as the eco-friendly shape-directing agent. The product was mainly characterized by microscopy measurements, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The architectures exhibited superior surface-enhanced Raman scattering (SERS) with 4-nitrothiophenol (4-NTP), the enhancement factor (EF) of 1.3×10(5), a wide linear range of 10-100μM and a low detection limit of 0...
March 6, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28324701/stress-reactivity-and-its-effects-on-subsequent-food-intake-in-depressed-and-healthy-women-with-and-without-adverse-childhood-experiences
#11
Katja Wingenfeld, Linn K Kuehl, Anita Boeker, Katharina Schultebraucks, Kristin Ritter, Julian Hellmann-Regen, Christian Otte, Carsten Spitzer
BACKGROUND: Adverse childhood experiences (ACE) increase the risk to develop major depressive disorder (MDD) and obesity or metabolic syndrome in adulthood. In addition, ACE may be associated with an exaggerated endocrine response to stress, which, in turn, may lead to enhanced food intake resulting in obesity and metabolic problems. METHODS: We systematically examined the stress response and consecutive food intake in 32 women with MDD and ACE as determined by a clinical interview (Early Trauma Inventory), 52 women with MDD without ACE, 22 women with ACE but no current or lifetime MDD and 37 healthy women without either MDD or ACE...
March 12, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28324688/estimating-doses-from-aboriginal-bush-foods-post-remediation-of-a-uranium-mine
#12
Che Doering, Andreas Bollhöfer, Peter Medley
This paper presents a calculator to facilitate assessments of ingestion doses from Aboriginal bush foods. The calculator combines information on traditional diet and land use with radionuclide concentration ratios and ingestion dose coefficients to estimate doses. The calculator was applied to the planned remediation of Ranger uranium mine to derive a set of scaling factors between radionuclide activity concentrations in environmental media and ingestion dose from bush foods. The scaling factors can be used to estimate doses from bush foods once the post-remediation radiological conditions of the mine and surrounding environment are known...
March 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28324248/incorporation-of-flaxseed-flour-as-a-dietary-source-for-ala-increases-bone-density-and-strength-in-post-partum-female-rats
#13
Danielle Cavalcante Ribeiro, Aline D'Avila Pereira, Fernanda Carvalho de Santana, Jorge Mancini-Filho, Eduardo Moreira da Silva, Carlos Alberto Soares da Costa, Gilson Teles Boaventura
In women, bone mass undergoes changes during pregnancy and the postpartum period, which has a risk for subsequent development of osteoporosis. Thus, the present study aims to evaluate the effects of flaxseed flour in femur quality during post-weaning of dam rats. After weaning, the rats were divided into control (C, n = 7) and experimental (F, n = 7) groups treated with a diet containing 25 g of flaxseed flour in the lactating period and 15 g in the maintenance period. After 51 days post-partum, serum hormone, fatty acids composition, bone compartments, computed tomography, and biomechanical analyses were determined...
March 21, 2017: Lipids
https://www.readbyqxmd.com/read/28324180/lateral-pharyngotomy-approach-in-the-treatment-of-oropharyngeal-carcinoma
#14
Andy Bertolin, Guido Ghirardo, Marco Lionello, Luciano Giacomelli, Marco Lucioni, Giuseppe Rizzotto
Surgery for early-intermediate oropharyngeal squamous cell carcinoma (OPSCC) may involve using transoral endoscopic approaches or open surgical procedures. "Lateral pharyngotomy" (LP) is an open surgical approach that improves exposure of the oropharyngeal region, while avoiding mandibulotomy. The aim of the present study was to retrospectively analyze our experience with the surgical treatment of early-intermediate OPSCC using the LP approach, and to investigate the potentially prognostic clinical and/or pathological factors that might identify patients at higher risk of recurrence after primary surgery...
March 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28324139/-diagnosis-and-treatment-of-dysphagia
#15
S Cantemir, A Laubert
Most swallowing problems can be treated, although the treatment depends on the type of dysphagia. A multidisciplinary team of surgeons, phoniatrists, and speech-language therapists is necessary to develop the appropriate treatment strategy. A thorough medical history, clinical investigation of the swallowing muscles, and fiberoptic endoscopic evaluation of swallowing with foods of different consistencies help to decide whether swallowing exercises alone are sufficient, or whether an additional pharmacologic or surgical treatment is needed to prevent aspiration, malnutrition, and dehydration...
March 21, 2017: HNO
https://www.readbyqxmd.com/read/28324105/thyroid-hormone-dependent-epigenetic-regulation-of-melanocortin-4-receptor-levels-in-female-offspring-of-obese-rats
#16
T Tabachnik, T Kisliouk, A Marco, N Meiri, A Weller
Maternal obesity is a risk factor for offspring obesity. Melanocortin 4 receptor (Mc4r) is one of the mediators of food intake and energy balance. This study examines epigenetic mechanisms underlying altered Mc4r levels in the hypothalamic paraventricular nucleus in offspring of high-fat diet (HFD)-induced obese dams, and aims to elucidate the role of thyroid hormones in epigenetic regulation and tagging of their nucleosome at the Mc4r promoter. Female Wistar rats were fed HFD or chow from weaning through gestation and lactation...
January 9, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324068/bisphenol-a-exposure-ovarian-follicle-numbers-and-female-sex-steroid-hormone-levels-results-from-a-clarity-bpa-study
#17
Shreya Patel, Emily Brehm, Liying Gao, Saniya Rattan, Ayelet Ziv-Gal, Jodi A Flaws
Bisphenol A (BPA) is an industrial chemical found in thermal receipts, and food and beverage containers. Previous studies have shown that BPA can affect the numbers and health of ovarian follicles and the production of sex steroid hormones, but they often did not include a wide-range of doses of BPA, used a small sample size, focused on relatively short-term exposures to BPA, and/or did not examine the consequences of chronic BPA exposure on the ovaries or steroid levels. Thus, this study was designed to examine the effects of a wide range of doses of BPA on ovarian morphology and sex steroid hormone production...
March 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28324021/endogenous-calcitonin-gene-related-peptide-regulates-lipid-metabolism-and-energy-homeostasis-in-male-mice
#18
Tian Liu, Akiko Kamiyoshi, Takayuki Sakurai, Yuka Ichikawa-Shindo, Hisaka Kawate, Lei Yang, Megumu Tanaka, Xian Xian, Akira Imai, Liuyu Zhai, Kazutaka Hirabayashi, Kun Dai, Keiya Tanimura, Teng Liu, Nanqi Cui, Kyoko Igarashi, Akihiro Yamauchi, Takayuki Shindo
Calcitonin gene-related peptide (CGRP) is a bioactive peptide produced by alternative splicing of the primary transcript of the calcitonin/CGRP gene. CGRP is largely distributed in the cardiovascular and nervous systems, where it acts as a regulatory factor. CGRP is also expressed in organs and tissues involved in metabolic regulation, including white adipose tissue (WAT), where its function is largely unknown. In this study, we examined the effects of endogenous CGRP on metabolic function. When we administered a high-fat diet to CGRP knockout (CGRP-/-) and wild-type (WT) mice for 10 weeks, we observed that food intake did not differ between the two groups, but body weight and visceral fat weight were significantly lower in CGRP-/- mice...
January 20, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323972/neurosecretory-protein-gl-a-hypothalamic-small-secretory-protein-participates-in-energy-homeostasis-in-male-mice
#19
Daichi Matsuura, Kenshiro Shikano, Takaya Saito, Eiko Iwakoshi-Ukena, Megumi Furumitsu, Yuta Ochi, Manami Sato, George E Bentley, Lance J Kriegsfeld, Kazuyoshi Ukena
We have recently identified a novel cDNA encoding a small secretory protein termed neurosecretory protein GL (NPGL) from the avian hypothalamus. In chicks, NPGL increases body weight gain without affecting food intake. A database search reveals that NPGL is conserved throughout vertebrates. However, the central distribution and functional role of NPGL remains to be elucidated in mammals. In this study, we identified the precursor cDNA encoding NPGL from the mouse hypothalamus. Quantitative RT-PCR and morphological analyses revealed that NPGL precursor mRNA is robustly expressed in the mediobasal hypothalamus with NPGL neurons specifically localized to the lateroposterior part of the arcuate nucleus in the hypothalamus...
March 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/28323952/randomized-controlled-trial-of-a-mufa-or-fiber-rich-diet-on-hepatic-fat-in-pre-diabetes
#20
Isabel Errazuriz, Simmi Dube, Michael Slama, Roberto Visentin, Sunita Nayar, Helen O'Connor, Claudio Cobelli, Swapan Kumar Das, Ananda Basu, Walter Karl Kremers, John Port, Rita Basu
Context: Increased prevalence of type 2 diabetes mellitus and prediabetes worldwide has been attributed, at least in part, to a modern lifestyle, in particular, to an unhealthy diet. Objective: To evaluate whether 12 weeks of high MUFA or fiber-rich weight maintenance diet lowers hepatic fat and improves glucose tolerance in people with prediabetes. Design: Subjects underwent a [6, 6-2H2] labeled 75 g oral glucose tolerance test to estimate hepatic insulin sensitivity (Siliver) along with measurement of liver fat fraction (LFF) using magnetic resonance spectroscopy before and after intervention...
March 6, 2017: Journal of Clinical Endocrinology and Metabolism
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