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https://www.readbyqxmd.com/read/29784299/effect-of-food-additives-on-egg-yolk-gelation-induced-by-freezing
#1
Monica Primacella, Tao Fei, Nuria Acevedo, Tong Wang
This study demonstrates technological advances in preventing yolk gelation during freezing and thawing. Gelation negatively affects yolk functionality in food formulation. Preventing gelation using 10% salt or sugar limits the application of the yolk. Novel food additives were tested to prevent gelation induced by freezing. Significant reduction (p < 0.05) in gel hardness of frozen-thawed yolk (45 h freezing at -20 °C) indicates that hydrolyzed carboxymethyl cellulose (HCMC), proline, and hydrolyzed egg white and yolk (HEW and HEY) are effective gelation inhibitors...
October 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29782017/measuring-trans-plasma-membrane-electron-transport-by-c2c12-myotubes
#2
Shannon C Kelly, Amanda M Eccardt, Jonathan S Fisher
Trans-plasma membrane electron transport (tPMET) plays a role in protection of cells from intracellular reductive stress as well as protection from damage by extracellular oxidants. This process of transporting electrons from intracellular reductants to extracellular oxidants is not well defined. Here we present spectrophotometric assays by C2C12 myotubes to monitor tPMET utilizing the extracellular electron acceptors: water-soluble tetrazolium salt-1 (WST-1) and 2,6-dichlorophenolindophenol (DPIP or DCIP)...
May 4, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29780563/chemical-structure-and-bonding-in-a-thorium-iii-aluminum-heterobimetallic-complex
#3
Alison B Altman, Alexandra C Brown, Guodong Rao, Trevor D Lohrey, R David Britt, Laurent Maron, Stefan G Minasian, David K Shuh, John Arnold
Thorium sits at a unique position on the periodic table. On one hand, there is little evidence that its 5f orbitals engage in bonding as they do in other early actinides; on the other hand, its chemistry is distinct from Lewis acidic transition metals. To gain insight into the underlying electronic structure of Th and develop trends across the actinide series, it is useful to study Th(iii) and Th(ii) systems with valence electrons that may engage in non-electrostatic metal-ligand interactions, although only a handful of such systems are known...
May 14, 2018: Chemical Science
https://www.readbyqxmd.com/read/29775957/how-treatment-improvement-in-adhd-and-cocaine-dependence-are-related-to-one-another-a-secondary-analysis
#4
Frances R Levin, C Jean Choi, Martina Pavlicova, John J Mariani, Amy Mahony, Daniel J Brooks, Edward V Nunes, John Grabowski
BACKGROUND: Attention-deficit hyperactivity disorder (ADHD) is overrepresented among individuals seeking treatment for substance use disorders. We previously reported that treatment with extended release mixed amphetamine salts (MAS-XR) increased abstinence, compared to placebo, among patients with co-occurring ADHD and cocaine dependence. This secondary analysis investigates the temporal relationship between ADHD improvement and cocaine abstinence in the first six weeks of the trial...
May 1, 2018: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/29775307/selective-hydrogenations-and-dechlorinations-in-water-mediated-by-anionic-surfactant-stabilized-pd-nanoparticles
#5
Giorgio La Sorella, Laura Sperni, Patrizia Canton, Lisa Coletti, Fabrizio Fabris, Giorgio Strukul, Alessandro Scarso
We report a facile, inexpensive and green method for the preparation of Pd nanoparticles in aqueous medium stabilized by anionic sulfonated surfactants sodium 1-dodecanesulfonate 1a, sodium dodecylbenzenesulfonate 1b, dioctyl sulfosuccinate sodium salt 1c and poly(ethylene glycol) 4-nonylphenyl-3-sulfopropyl ether potassium salt 1d simply obtained by stirring aqueous solutions of Pd(OAc)2 with the commercial anionic surfactants further treated under hydrogen atmosphere for variable times. The aqueous Pd nanoparticles solutions were tested in the selective hydrogenation reactions of aryl-alcohols, -aldehydes and -ketones leading to complete conversion to the deoxygenated products even in the absence of strong Brønsted acids in the reduction of aromatic aldehydes and ketones, in the controlled semi-hydrogenation of alkynes leading to alkenes and in the efficient hydro-dechlorination of aromatic substrates...
May 18, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29775291/reactive-uptake-of-glyoxal-by-ammonium-containing-salt-particles-as-a-function-of-relative-humidity
#6
Masao Gen, Dandan Huang, Chak Keung Chan
Reactions between dissolved ammonia and carbonyls, which form light-absorbing species in atmospheric particles, can be accelerated by actively removing water from the reaction system. Here, we examine the effects of relative humidity (RH) on the reactive uptake of glyoxal (Gly) by aqueous particles of ammonium sulfate (AS), ammonium bisulfate, sodium sulfate, magnesium sulfate, ammonium nitrate (AN), and sodium nitrate. In-situ Raman analysis was used to quantify particle-phase Gly and a colored product, 2,2'-biimidazole (BI) as a function of uptake time...
May 18, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29774906/reactivity-of-a-dearomatised-pincer-co-ii-br-complex-with-pnc-nhc-donors-alkylation-and-si-h-bond-activation-via-metal-ligand-cooperation
#7
Thomas Simler, Sylvie Choua, Andreas A Danopoulos, Pierre Braunstein
The double aminolysis reaction of [Co{N(SiMe3)2}2] by the salt 1-(6-((dicyclohexylphosphaneyl)methyl)pyridin-2-yl)-3-(2,6-diisopropylphenyl)-1H-imidazol-3-ium bromide, which contains one phosphane, one pyridine and one imidazolium groups, of formula [o-Cy2PCH2(C5H3N)(o-C3H3N2DiPP)]Br and abbreviated as (CyPNpyrCim)Br, was previously shown to afford the Co(ii) complex [Co(CyP*NaCNHC)Br] (1) containing a dearomatised picolyl moiety in the tridentate, anionic donor ligand CyP*NaCNHC (Na = anionic amido, P* = vinylic P donor)...
May 18, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29772761/high-concentrations-of-sodium-chloride-improve-microbicidal-activity-of-ibuprofen-against-common-cystic-fibrosis-pathogens
#8
Adrián J Muñoz, Roxana V Alasino, Ariel G Garro, Valeria Heredia, Néstor H García, David C Cremonezzi, Dante M Beltramo
Ibuprofen (IBU-H), a widely used anti-inflammatory, also shows a marked antimicrobial effect against several bacterial species, including those involved in cystic fibrosis such as Pseudomona aeruginosa , methicillin resistant Staphylococcus aureus and Burkholderia cepacia complex. Additionally, our results show significant synergy between water soluble Na-ibuprofen (IBU-Na) and ionic strength. Salt concentrations above 0.5 M modify the zeta potential promoting the action of Na-IBU; thus, with 1 M sodium chloride, IBU-Na is ten times more efficient than in the absence of ionic strength, and the minimum effective contact time is reduced from hours to minutes...
May 17, 2018: Pharmaceuticals
https://www.readbyqxmd.com/read/29771008/dianionic-titanyl-and-vanadyl-cation-2-m-iv-o-pc-4-2-phthalocyanine-salts-containing-pc-4-macrocycles
#9
Dmitri V Konarev, Alexey V Kuzmin, Salavat S Khasanov, Alexey L Litvinov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N Lyubovskaya
In this study, the titanyl and vanadyl phthalocyanine (Pc) salts (Bu4 N+ )2 [MIV O(Pc4- )]2- (M=Ti, V) and (Bu3 MeP+ )2 [MIV O(Pc4- )]2- (M=Ti, V) with [MIV O(Pc4- )]2- dianions were synthesized and characterized. Reduction of MIV O(Pc2- ) carried out with an excess of sodium fluorenone ketyl in the presence of Bu4 N+ or Bu3 MeP+ is exclusive to the phthalocyanine centers, forming Pc4- species. During reduction, the metal +4 charge did not change, implying that Pc is an non-innocent ligand. The Pc negative charge increase caused the C-N(pyr) bonds to elongate and the C-N(imine) bonds to alternate, thus increasing the distortion of Pc...
May 17, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29770696/structural-characterization-of-b-site-ordered-ba-2-ln-2-3-teo-6-ln-la-pr-nd-sm-and-eu-double-perovskites-and-probing-its-luminescence-as-eu-3-phosphor-hosts
#10
Sariga C Lal, Vidhya Lalan, Subodh Ganesanpotti
Ba2 Ln2/3 TeO6 (Ln = La, Pr, Nd, Sm, and Eu) double perovskites were synthesized via solid-state ceramic route. Preliminary X-ray diffraction studies indicated a pseudocubic structure with lattice parameters ranging from 8.55 to 8.44 Å for the substitution of rare earths from La to Eu. Raman spectra show the frequency dependence of various Raman bands with respect to rare-earth substitution and exhibit a significant shift in peaks to higher wavenumber region, which was observed only for symmetric stretching modes of LnO6 and TeO6 octahedra...
May 17, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29766194/comparison-of-riboflavin-derived-flavinium-salts-applied-to-catalytic-h-2-o-2-oxidations
#11
Takuya Sakai, Takuma Kumoi, Tatsuro Ishikawa, Takahiro Nitta, Hiroki Iida
A series of flavinium salts, 5-ethylisoalloxazinium, 5-ethylalloxazinium, and 1,10-ethylene-bridged alloxazinium triflates, were prepared from commercially available riboflavin. This study presents a comparison between their optical and redox properties, and their catalytic activity in H2O2 oxidations of sulfide, tertiary amine, and cyclobutanone. Reflecting the difference between the π-conjugated ring structures, the flavinium salts displayed very different redox properties, with reduction potentials in the order of: 5-ethylisoalloxazinium > 5-ethylalloxazinium > 1,10-ethylene-bridged alloxazinium...
May 16, 2018: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/29765330/glial-cells-are-involved-in-ang-ii-induced-vasopressin-release-and-sodium-intake-in-awake-rats
#12
Atalia F L Flôr, José L de Brito Alves, Maria S França-Silva, Camille M Balarini, Lucila L K Elias, Silvia G Ruginsk, José Antunes-Rodrigues, Valdir A Braga, Josiane C Cruz
It is known that circulating angiotensin II (ANG-II) acts on the circumventricular organs (CVOs), which partially lack a normal blood-brain barrier, to stimulate pressor responses, vasopressin (AVP), and oxytocin (OT) secretion, as well as sodium and water intake. Although ANG-II type 1 receptors (AT1R ) are expressed in neurons and astrocytes, the involvement of CVOs glial cells in the neuroendocrine, cardiovascular and behavioral responses induced by central ANG II remains to be further elucidated. To address this question, we performed a set of experiments combining in vitro studies in primary hypothalamic astrocyte cells (HACc) and in vivo intracerebroventricular (icv) microinjections into the lateral ventricle of awake rats...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29762517/the-potential-cost-effectiveness-and-equity-impacts-of-restricting-television-advertising-of-unhealthy-food-and-beverages-to-australian-children
#13
Vicki Brown, Jaithri Ananthapavan, Lennert Veerman, Gary Sacks, Anita Lal, Anna Peeters, Kathryn Backholer, Marjory Moodie
Television (TV) advertising of food and beverages high in fat, sugar and salt (HFSS) influences food preferences and consumption. Children from lower socioeconomic position (SEP) have higher exposure to TV advertising due to more time spent watching TV. This paper sought to estimate the cost-effectiveness of legislation to restrict HFSS TV advertising until 9:30 pm, and to examine how health benefits and healthcare cost-savings differ by SEP. Cost-effectiveness modelling was undertaken (i) at the population level, and (ii) by area-level SEP...
May 15, 2018: Nutrients
https://www.readbyqxmd.com/read/29760664/reduced-renal-mass-salt-sensitive-hypertension-is-resistant-to-renal-denervation
#14
Ionut Tudorancea, Thomas E Lohmeier, Barbara T Alexander, Dragos Pieptu, Dragomir N Serban, Radu Iliescu
Aim: Activation of the sympathetic nervous system is common in resistant hypertension (RHT) and also in chronic kidney disease (CKD), a prevalent condition among resistant hypertensives. However, renal nerve ablation lowers blood pressure (BP) only in some patients with RHT. The influence of loss of nephrons per se on the antihypertensive response to renal denervation (RDNx) is unclear and was the focus of this study. Methods: Systemic hemodynamics and sympathetically mediated low frequency oscillations of systolic BP were determined continuously from telemetrically acquired BP recordings in rats before and after surgical excision of ∼80% of renal mass and subsequent RDNx...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29760109/shelf-ocean-exchange-and-hydrography-west-of-the-antarctic-peninsula-a-review
#15
REVIEW
C Moffat, M Meredith
The West Antarctic Peninsula (WAP) is a highly productive marine ecosystem where extended periods of change have been observed in the form of glacier retreat, reduction of sea-ice cover and shifts in marine populations, among others. The physical environment on the shelf is known to be strongly influenced by the Antarctic Circumpolar Current flowing along the shelf slope and carrying warm, nutrient-rich water, by cold waters flooding into the northern Bransfield Strait from the Weddell Sea, by an extensive network of glaciers and ice shelves, and by strong seasonal to inter-annual variability in sea-ice formation and air-sea interactions, with significant modulation by climate modes like El Niño-Southern Oscillation and the Southern Annular Mode...
June 28, 2018: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29757072/lactobacillus-plantarum-ys-3-prevents-activated-carbon-induced-constipation-in-mice
#16
Xin Zhao, Ruokun Yi, Yu Qian, Kun-Young Park
The aim of this study was to determine the effects of Lactobacillus plantarum YS-3 (LP-YS3) on activated carbon-induced constipation in Kunming mice. The results of the experiment show that the antigastric acid activity and bile salt tolerance of LP-YS3 were stronger than those of Lactobacillus bulgaricus (LB). LP-YS3 inhibited loss of body weight caused by constipation and further reductions in fecal weight, particle number, and water content in mice. Moreover, LP-YS3 elevated the gastrointestinal transit rate and reduced the time required for initial black stool defecation...
May 14, 2018: Journal of Medicinal Food
https://www.readbyqxmd.com/read/29755894/divalent-cation-removal-by-donnan-dialysis-for-improved-reverse-electrodialysis
#17
Timon Rijnaarts, Nathnael T Shenkute, Jeffery A Wood, Wiebe M de Vos, Kitty Nijmeijer
Divalent cations in feedwater can cause significant decreases in efficiencies for membrane processes, such as reverse electrodialysis (RED). In RED, power is harvested from the mixing of river and seawater, and the obtainable voltage is reduced and the resistance is increased if divalent cations are present. The power density of the RED process can be improved by removing divalent cations from the fresh water. Here, we study divalent cation removal from fresh water using seawater as draw solution in a Donnan dialysis (DD) process...
May 7, 2018: ACS Sustainable Chemistry & Engineering
https://www.readbyqxmd.com/read/29754910/lifestyle-advice-and-interventions-for-cardiovascular-risk-reduction-a-systematic-review-of-guidelines
#18
Mohammed Y Khanji, Claudia N van Waardhuizen, Vinícius V S Bicalho, Bart S Ferket, M G Myriam Hunink, Steffen E Petersen
BACKGROUND: Lifestyle factors are important in preventing cardiovascular disease (CVD) development. We aimed to systematically review guidelines on primary prevention of CVD and their recommendations on lifestyle advice or intervention, in order to guide primary prevention programs. METHODS: Publications in MEDLINE, CINAHL over 7 years since May 3, 2009 were identified. G-I-N International Guideline Library, National Guidelines Clearinghouse, National Library for Health Guideline finder, Canadian Medical Association InfoBase were searched...
July 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29754082/subsurface-nutrient-processing-capacity-in-agricultural-roadside-ditches
#19
Keith E Schilling, Matthew T Streeter, Martin St Clair, Justin Meissen
Roadside ditches located throughout urban and rural landscapes are integral components of watershed-scale hydrologic processes but their capacity to reduce nutrients in the subsurface environment has not been investigated. In this study, vegetation, soil and groundwater conditions were characterized in six roadside ditches in the 66 km2 Lime Creek watershed in eastern Iowa. Shallow water table wells were installed at 17 locations in six transects and sampled monthly in 2017 to evaluate spatial and temporal patterns...
May 10, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29751895/inhibitory-effects-of-chitosan-based-coatings-on-endogenous-enzyme-activities-proteolytic-degradation-and-texture-softening-of-grass-carp-ctenopharyngodon-idellus-fillets-stored-at-4-%C3%A2-c
#20
Dawei Yu, Joe M Regenstein, Jinhong Zang, Wenshui Xia, Yanshun Xu, Qixing Jiang, Fang Yang
The study evaluated the inhibitory effects of chitosan-based coatings on endogenous enzyme activities, proteolytic degradation and texture softening of grass carp (Ctenopharyngodon idellus) fillets stored at 4 °C for 15 days. In general, the inhibitory effects of chitosan coating were worse than that of chitosan composite coatings, which significantly inhibited cathepsin B, B + L and calpain activities of fillets, with the most reductions of 58%, 65% and 41%, respectively when compared to the corresponding values of control fillets...
October 1, 2018: Food Chemistry
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