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https://www.readbyqxmd.com/read/28213236/the-extraction-of-uranium-using-graphene-aerogel-loading-organic-solution
#1
Mumei Chen, Zheng Li, Jihao Li, Jingye Li, Qingnuan Li, Lan Zhang
A new approach for uranium extraction employing graphene aerogel (GA) as a skeleton loading organic solution (GA-LOS) is proposed and investigated. Firstly, the GA with super-hydrophobicity and high organic solution absorption capacity was fabricated by one-step reduction and self-assembly of graphene oxide with ethylenediamine. By adsorbing Tri-n-butyl phosphate (TBP)/n-dodecane solution to prepare GA-LOS, the extraction of U(VI) from nitric acid medium using GA-LOS was investigated and compared with conventional solvent extraction...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28212431/mediterranean-dietary-pattern-and-vegf-405-g-c-gene-polymorphisms-in-patients-with-metabolic-syndrome-an-aspect-of-gene-nutrient-interaction
#2
Ghazaleh Hajiluian, Mahdieh Abbasalizad Farhangi, Leila Jahangiry
AIMS: To evaluate the relationship between Mediterranean dietary pattern, anthropometric and metabolic biomarkers and vascular endothelial growth factor (VEGF) +405 G/C gene polymorphism in patient with metabolic syndrome (Mets). MATERIALS AND METHODS: In this study 150 patients with Mets and 50 healthy subjects were enrolled. Dietary intakes were evaluated with a semi-quantitative food-frequency questionnaire (FFQ) and Mediterranean dietary quality index (Med-DQI) was assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28202478/total-and-subtypes-of-dietary-fat-intake-and-risk-of-type-2-diabetes-mellitus-in-the-prevenci%C3%A3-n-con-dieta-mediterr%C3%A3-nea-predimed-study
#3
Marta Guasch-Ferré, Nerea Becerra-Tomás, Miguel Ruiz-Canela, Dolores Corella, Helmut Schröder, Ramon Estruch, Emilio Ros, Fernando Arós, Enrique Gómez-Gracia, Miquel Fiol, Lluís Serra-Majem, José Lapetra, Josep Basora, Nerea Martín-Calvo, Olga Portoles, Montserrat Fitó, Frank B Hu, Lluís Forga, Jordi Salas-Salvadó
Background: The associations between dietary fat and cardiovascular disease have been evaluated in several studies, but less is known about their influence on the risk of diabetes.Objective: We examined the associations between total fat, subtypes of dietary fat, and food sources rich in saturated fatty acids and the incidence of type 2 diabetes (T2D).Design: A prospective cohort analysis of 3349 individuals who were free of diabetes at baseline but were at high cardiovascular risk from the PREvención con DIeta MEDiterránea (PREDIMED) study was conducted...
February 15, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28196089/taxes-and-subsidies-for-improving-diet-and-population-health-in-australia-a-cost-effectiveness-modelling-study
#4
Linda J Cobiac, King Tam, Lennert Veerman, Tony Blakely
BACKGROUND: An increasing number of countries are implementing taxes on unhealthy foods and drinks to address the growing burden of dietary-related disease, but the cost-effectiveness of combining taxes on unhealthy foods and subsidies on healthy foods is not well understood. METHODS AND FINDINGS: Using a population model of dietary-related diseases and health care costs and food price elasticities, we simulated the effect of taxes on saturated fat, salt, sugar, and sugar-sweetened beverages and a subsidy on fruits and vegetables, over the lifetime of the Australian population...
February 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28194099/gut-to-brain-dysbiosis-mechanisms-linking-western-diet-consumption-the-microbiome-and-cognitive-impairment
#5
REVIEW
Emily E Noble, Ted M Hsu, Scott E Kanoski
Consumption of a Western Diet (WD) that is high in saturated fat and added sugars negatively impacts cognitive function, particularly mnemonic processes that rely on the integrity of the hippocampus. Emerging evidence suggests that the gut microbiome influences cognitive function via the gut-brain axis, and that WD factors significantly alter the proportions of commensal bacteria in the gastrointestinal tract. Here we review mechanisms through which consuming a WD negatively impacts neurocognitive function, with a particular focus on recent evidence linking the gut microbiome with dietary- and metabolic-associated hippocampal impairment...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28179195/multiplexed-mri-methods-for-rapid-estimation-of-global-cerebral-metabolic-rate-of-oxygen-consumption
#6
Hyunyeol Lee, Michael C Langham, Ana E Rodriguez-Soto, Felix W Wehrli
The global cerebral metabolic rate of oxygen (CMRO2), which reflects metabolic activity of the brain under various physiologic conditions, can be quantified using a method, referred to as 'OxFlow', which simultaneously measures hemoglobin oxygen saturation in a draining vein (Yv) and total cerebral blood flow (tCBF). Conventional OxFlow (Conv-OxFlow) entails four interleaves incorporated in a single pulse sequence - two for phase-contrast based measurement of tCBF in the supplying arteries of the neck, and two to measure the intra- to extravascular phase difference in the superior sagittal sinus to derive Yv [Jain et al...
February 6, 2017: NeuroImage
https://www.readbyqxmd.com/read/28178778/malvidin-3-glucoside-fatty-acid-conjugates-from-hydrophilic-toward-novel-lipophilic-derivatives
#7
Luís Cruz, Marta Guimarães, Paula Araújo, Ana Évora, Victor de Freitas, Nuno Mateus
This work describes the lipophilization reactions of malvidin 3-glucoside with different saturated fatty acid chain lengths using an enzymatic synthesis and the study of their physical-chemical and antioxidant properties. The lipophilic anthocyanins were obtained with satisfactory yields (22-40%) after column chromatography purifications, and they revealed the same appealing chromatic features of the parent anthocyanin. All of the compounds were characterized by mass spectrometry, confirming the regioselective acylation on the glucose moiety...
February 16, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28168180/association-between-nutrient-intake-and-metabolic-syndrome-in-patients-with-colorectal-cancer
#8
Hee-Sook Lim, Eung-Jin Shin, Jeong-Won Yeom, Yoon-Hyung Park, Soon-Kyung Kim
The purpose of this study was to investigate the difference of nutritional status according to metabolic syndrome in colorectal cancer patients. The subjects were divided into 2 groups (metabolic syndrome group and normal group) according to the presence or absence of metabolic syndrome in 143 patients diagnosed with colorectal cancer, and their lifestyle and nutritional status were analyzed. Recall method was used for the dietary survey, and metabolic syndrome was defined as the presence of 3 or more of waist circumference, fasting blood glucose, triglyceride, high-density lipoprotein (HDL)-cholesterol, and blood pressure...
January 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/28166253/effects-of-a-very-high-saturated-fat-diet-on-ldl-particles-in-adults-with-atherogenic-dyslipidemia-a-randomized-controlled-trial
#9
Sally Chiu, Paul T Williams, Ronald M Krauss
BACKGROUND: Previous studies have shown that increases in LDL-cholesterol resulting from substitution of dietary saturated fat for carbohydrate or unsaturated fat are due primarily to increases in large cholesterol-enriched LDL, with minimal changes in small, dense LDL particles and apolipoprotein B. However, individuals can differ by their LDL particle distribution, and it is possible that this may influence LDL subclass response. OBJECTIVE: The objective of this study was to test whether the reported effects of saturated fat apply to individuals with atherogenic dyslipidemia as characterized by a preponderance of small LDL particles (LDL phenotype B)...
2017: PloS One
https://www.readbyqxmd.com/read/28164014/cardiovascular-burden-and-percutaneous-interventions-in-russian-federation-systematic-epidemiological-update
#10
REVIEW
Alexander N Kharlamov
The situation with cardiovascular (CV) burden in Russian population is alerting, and becomes of interest due to high CV mortality, and shorter lifespan if compare with the Western society amid the absence of the established monitoring or screening system for major CV risk factors. The purpose of this systematic epidemiological update was to explore CV burden in Russia. The study represents pooled results with a systematic epidemiological review of the national mass screening, selected randomized clinical trials and statistical datasets of the national public health CV institutions exploring the trends of the CV burden in all 83 regions of Russia...
February 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28151454/effects-of-blood-transfusion-on-oxygen-extraction-ratio-and-central-venous-saturation-in-children-after-cardiac-surgery
#11
Bana Nasser, Mohmad Tageldein, Abdulrahman AlMesned, Mohammad Kabbani
BACKGROUND: Red blood cell transfusion is common in critically ill children after cardiac surgery. Since the threshold for hemoglobin (Hb) transfusion need is not well defined, the threshold Hb level at which dependent critical oxygen uptake-to-delivery (VO2-DO2) status compensation is uncertain. OBJECTIVES: To assess the effects of blood transfusion on the oxygen extraction ratio (O2ER) and central venous oxygen saturation (ScvO2) to identify a critical O2ER value that could help us determine the critical need for blood transfusion...
January 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28142298/palm-oil-and-human-health-meeting-report-of-nfi-nutrition-foundation-of-italy-symposium
#12
Franca Marangoni, Claudio Galli, Andrea Ghiselli, Giovanni Lercker, Carlo La Vecchia, Claudio Maffeis, Carlo Agostoni, Donatella Ballardini, Ovidio Brignoli, Pompilio Faggiano, Rosalba Giacco, Claudio Macca, Paolo Magni, Giuseppe Marelli, Walter Marrocco, Vito Leonardo Miniello, Gian Francesco Mureddu, Nicoletta Pellegrini, Roberto Stella, Ersilia Troiano, Elvira Verduci, Roberto Volpe, Andrea Poli
The use of palm oil by the food industry is increasingly criticized, especially in Italy, for its purported negative effects on human health and environment. This paper summarizes the conclusions of a Symposium on this topic, gathered by the Nutrition Foundation of Italy, among experts representing a number of Italian Medical and Nutritional Scientific Societies. Toxicological and environmental issues were not considered. Participants agreed that: no evidence does exist on the specific health effects of palm oil consumption as compared to other saturated fatty acids-rich fats; the stereospecific distribution of saturated fatty acids in the triacylglycerol molecule of palm oil limits their absorption rate and metabolic effects; in agreement with International guidelines, saturated fatty acids intake should be kept <10% of total energy, within a balanced diet; within these limits, no effect of palm oil consumption on human health (and specifically on CVD or cancer risk) can be foreseen...
January 31, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28140322/comprehensive-review-of-the-impact-of-dairy-foods-and-dairy-fat-on-cardiometabolic-risk
#13
REVIEW
Jean-Philippe Drouin-Chartier, Julie Anne Côté, Marie-Ève Labonté, Didier Brassard, Maude Tessier-Grenier, Sophie Desroches, Patrick Couture, Benoît Lamarche
Because regular-fat dairy products are a major source of cholesterol-raising saturated fatty acids (SFAs), current US and Canadian dietary guidelines for cardiovascular health recommend the consumption of low-fat dairy products. Yet, numerous randomized controlled trials (RCTs) have reported rather mixed effects of reduced- and regular-fat dairy consumption on blood lipid concentrations and on many other cardiometabolic disease risk factors, such as blood pressure and inflammation markers. Thus, the focus on low-fat dairy in current dietary guidelines is being challenged, creating confusion within health professional circles and the public...
November 2016: Advances in Nutrition
https://www.readbyqxmd.com/read/28130012/prepregnancy-dietary-patterns-are-associated-with-blood-lipid-level-changes-during-pregnancy-a-prospective-cohort-study-inrio-de-janeiro-brazil
#14
Ilana Eshriqui, Ana Beatriz Franco-Sena, Dayana Rodrigues Farias, Ana Amélia Freitas-Vilela, Diana Barbosa Cunha, Erica Guimarães Barros, Pauline M Emmett, Gilberto Kac
BACKGROUND: Physiologic adaptations lead to an increase in blood lipid levels during pregnancy, yet little is known about the influence of prepregnancy dietary patterns. AIM: To identify whether prepregnancy dietary patterns that explain the consumption of fiber, energy, and saturated fat are associated with blood lipid levels throughout pregnancy. DESIGN: Prospective cohort study, with data collection at gestational weeks 5 to 13, 20 to 26, and 30 to 36...
January 24, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28129448/differential-regulation-of-sphingolipid-metabolism-in-plasma-hippocampus-and-cerebral-cortex-of-mice-administered-sphingolipid-modulating-agents
#15
Corey Giles, Ryusuke Takechi, Natalie A Mellett, Peter J Meikle, Satvinder Dhaliwal, John C Mamo
Accumulation of ceramide is implicated in mediating the cellular responses to stress and aberrant sphingolipid metabolism is frequently associated with metabolic and neurodegenerative diseases. It is often assumed that (1) peripheral disturbances in sphingolipid concentrations are reflective of processes occurring in the brain, or (2) circulating sphingolipids directly influence cerebral sphingolipid abundance. In order to address these assumptions, this study explores, in a physiological system, the metabolic pathways regulating sphingolipid metabolism in the brain and plasma of mice...
January 27, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28125802/saturated-fat-consumption-and-risk-of-coronary-heart-disease-and-ischemic-stroke-a-science-update
#16
Joyce A Nettleton, Ingeborg A Brouwer, Johanna M Geleijnse, Gerard Hornstra
At a workshop to update the science linking saturated fatty acid (SAFA) consumption with the risk of coronary heart disease (CHD) and ischemic stroke, invited participants presented data on the consumption and bioavailability of SAFA and their functions in the body and food technology. Epidemiological methods and outcomes were related to the association between SAFA consumption and disease events and mortality. Participants reviewed the effects of SAFA on CHD, causal risk factors, and surrogate risk markers...
January 27, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28112684/out-of-the-frying-pan-dietary-saturated-fat-influences-nonalcoholic-fatty-liver-disease
#17
Elizabeth Parks, Hannele Yki-Järvinen, Meredith Hawkins
Nonalcoholic fatty liver disease (NAFLD) is characterized by excess accumulation of fat in the liver. In some cases, NAFLD is also accompanied by insulin resistance, resulting in metabolic dysfunction. Dietary fat content probably influences both NAFLD and insulin resistance; however, the immediate effects of fat consumption have not been fully explored. In this issue of the JCI, Hernández et al. evaluated hepatic glucose and lipid metabolism in humans and mice following a single oral dose of saturated fat...
February 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28108649/intracellular-oxygen-tension-limits-muscle-contraction-induced-change-in-muscle-oxygen-consumption-under-hypoxic-conditions-during-hb-free-perfusion
#18
Hisashi Takakura, Minoru Ojino, Thomas Jue, Tatsuya Yamada, Yasuro Furuichi, Takeshi Hashimoto, Satoshi Iwase, Kazumi Masuda
Under acute hypoxic conditions, the muscle oxygen uptake (mV˙O2) during exercise is reduced by the restriction in oxygen-supplied volume to the mitochondria within the peripheral tissue. This suggests the existence of a factor restricting the mV˙O2 under hypoxic conditions at the peripheral tissue level. Therefore, this study set out to test the hypothesis that the restriction in mV˙O2 is regulated by the net decrease in intracellular oxygen tension equilibrated with myoglobin oxygen saturation (∆PmbO2) during muscle contraction under hypoxic conditions...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28108582/identification-of-a-novel-protein-kinase-that-affects-the-chronological-lifespan-in-fission-yeast
#19
Tatsuhiro Kurauchi, Aya Hashizume, Yuki Imai, Kanako Hayashi, Satoshi Tsubouchi, Kunio Ihara, Hokuto Ohtsuka, Hirofumi Aiba
Chronological lifespan is defined by how long a cell can survive in a non-dividing state. In yeast, it is measured by viability after entry into the stationary phase. To understand the regulatory mechanisms of chronological lifespan in Schizosaccharomyces pombe, it is necessary to identify and characterize novel factors involved in the regulation of chronological lifespan. To this end, we have screened for a long-lived mutant and identified that novel gene nnk1(+) that encodes an essential protein kinase is the determinant of chronological lifespan...
January 2017: FEMS Microbiology Letters
https://www.readbyqxmd.com/read/28107545/food-acid-content-and-erosive-potential-of-sugar-free-confections
#20
P Shen, G D Walker, Y Yuan, C Reynolds, M A Stacey, E C Reynolds
BACKGROUND: Dental erosion is an increasingly prevalent problem associated with frequent consumption of acidic foods and beverages. The aim of this study was to measure the food acid content and the erosive potential of a variety of sugar-free confections. METHODS: Thirty sugar-free confections were selected and extracts analysed to determine pH, titratable acidity, chemical composition and apparent degree of saturation with respect to apatite. The effect of the sugar-free confections in artificial saliva on human enamel was determined in an in vitro dental erosion assay using change in surface microhardness...
January 20, 2017: Australian Dental Journal
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