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https://www.readbyqxmd.com/read/28822290/freeze-dryable-lipid-vesicles-with-size-tunability-and-high-encapsulation-efficiency-prepared-by-the-multiple-emulsification-solvent-evaporation-method
#1
Akihiko Suzuki, Takashi Kuroiwa, Kaname Horikoshi, Akihiko Kanazawa, Sosaku Ichikawa
We investigated the extent of potential applicability of our recently developed method for preparing lipid vesicles [T. Kuroiwa et al., J. Am. Oil Chem. Soc., 93 (2016) 421], designated as the multiple emulsification-solvent evaporation method, with the intention of controlling the vesicle diameter and achieving high entrapment efficiency for water-soluble compounds. Using this method, the diameter of lipid vesicles could be varied by selecting the methods for preparing the primary water-in-oil emulsion, which contained water droplets as templates for the internal water phases of lipid vesicles...
August 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28820534/the-ligand-effect-on-the-oxidative-addition-of-dioxygen-to-gold-i-hydride-complexes
#2
Carlo Alberto Gaggioli, Leonardo Belpassi, Francesco Tarantelli, Jeremy N Harvey, Paola Belanzoni
The ligand effect on the recently uncovered feasible oxidative addition reaction of O2 on [LAuH] complexes has been investigated for a series of fifteen ligands. The activation barriers of this spin-forbidden reaction have been estimated at the minimum energy crossing points (MECP, relativistic scalar level) between the adiabatic triplet (reactants spin state) and singlet (product spin state) potential energy surfaces (PES) and calculated at the transition states by including Spin-Orbit Coupling (SOC) effects, as applied for the mechanistic study of this reaction in a previous study by us [Chem...
August 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28818604/newly-discovered-seagrass-beds-and-their-potential-for-blue-carbon-in-the-coastal-seas-of-hainan-island-south-china-sea
#3
Zhijian Jiang, Songlin Liu, Jingping Zhang, Chunyu Zhao, Yunchao Wu, Shuo Yu, Xia Zhang, Chi Huang, Xiaoping Huang, Manoj Kumar
Eight new seagrass beds were discovered along the coastline of Hainan Island in South China Sea with an area of 203.64ha. The leaf N content of all seagrasses was above the median value, indicative of N limitation, with their C:N ratio recorded significantly lower than the limiting criteria. This suggested that N is not limiting but in replete status. Further, the lower C content observed in the seagrass leaves was accompanied by higher nutrient concentration. The mean seagrass biomass C was 0.23±0.16MgCha(-1), while the average sediment organic carbon (SOC) stock was 7...
August 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28818059/influence-of-sense-of-coherence-on-adolescents-self-perceived-dental-aesthetics-a-cross-sectional-study
#4
Aline Cavalcanti da Costa, Fabrícia Soares Rodrigues, Priscila Prosini da Fonte, Aronita Rosenblatt, Nicola Patricia Thérèse Innes, Mônica Vilela Heimer
BACKGROUND: Sense of coherence (SOC) is a psychosocial factor capable of influencing perception of health, improving one's ability to manage life. It is the central construct of salutogenesis. SOC allows for identification and mobilization of resources to effectively manage or solve problems, promoting health and quality of life. Using Wilson-Cleary's conceptual model we hypothesized that SOC might contribute to self-perception of dental aesthetics. The aim of this study was to investigate whether SOC levels were related to self-perception of dental aesthetics against assessed normative orthodontic treatment need among adolescents...
August 17, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28817554/occupational-distribution-of-campylobacteriosis-and-salmonellosis-cases-maryland-ohio-and-virginia-2014
#5
Chia-Ping Su, Marie A de Perio, Kathleen Fagan, Meghan L Smith, Ellen Salehi, Seth Levine, Karen Gruszynski, Sara E Luckhaupt
Campylobacter and Salmonella are leading causes of bacterial gastroenteritis in the United States and are estimated to cause >1 million episodes of domestically acquired illness annually (1). Campylobacter and Salmonella are primarily transmitted through contaminated food, but animal-to-human and human-to-human transmission can also occur (2,3). Although occupationally acquired infections have been reported, occupational risk factors have rarely been studied. In 2015, the Occupational Safety and Health Administration (OSHA) identified 63 suspected or confirmed cases of Campylobacter infection over 3...
August 18, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28815992/the-spatial-distribution-of-soil-organic-carbon-in-tidal-wetland-soils-of-the-continental-united-states
#6
Audra L Hinson, Rusty A Feagin, Marian Eriksson, Raymond G Najjar, Maria Herrmann, Thomas S Bianchi, Michael Kemp, Jack A Hutchings, Steve Crooks, Thomas Boutton
Tidal wetlands contain large reservoirs of carbon in their soils and can sequester carbon dioxide (CO2 ) at a greater rate per unit area than nearly any other ecosystem. The spatial distribution of this carbon influences climate and wetland policy. To assist with international accords such as the Paris Climate Agreement, national-level assessments such as the United States (U.S.) National Greenhouse Gas Inventory, and regional, state, local, and project-level evaluation of CO2 sequestration credits, we developed a geodatabase (CoBluCarb) and high-resolution maps of soil organic carbon (SOC) distribution by linking National Wetlands Inventory data with the U...
August 17, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28811477/deep-carbon-storage-potential-of-buried-floodplain-soils
#7
Amanda H D'Elia, Garrett C Liles, Joshua H Viers, David R Smart
Soils account for the largest terrestrial pool of carbon and have the potential for even greater quantities of carbon sequestration. Typical soil carbon (C) stocks used in global carbon models only account for the upper 1 meter of soil. Previously unaccounted for deep carbon pools (>1 m) were generally considered to provide a negligible input to total C contents and represent less dynamic C pools. Here we assess deep soil C pools associated with an alluvial floodplain ecosystem transitioning from agricultural production to restoration of native vegetation...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810801/may-dietary-supplementation-augment-respiratory-burst-in-wound-site-inflammatory-cells
#8
Amitava Das, Ryan Dickerson, Piya Das Ghatak, Gayle Gordillo, Scott Chaffee, Abhijoy Saha, Savita Khanna, Sashwati Roy
Persistent infection contributes to wound chronicity. At the wound-site, NADPH oxidase activity in immune cells fights infection to enable the healing process. Fermented Papaya Preparation (FPP) is a carbohydrate-rich nutritional supplement that has demonstrated ability to bolster respiratory burst in experimental rodent systems. In FPP, glucose co-exists with fructose and maltose in addition to multiple other sugar alcohols such as inositol. We have previously reported that FPP supplementation augments wound healing in diabetic mice via improvement of respiratory-burst activity of wound innate immune cells...
August 16, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28810799/spin-dependent-charge-recombination-along-para-phenylene-molecular-wires
#9
Thomas P Fay, Alan M Lewis, David E Manolopoulos
We have used an efficient new quantum mechanical method for radical pair recombination reactions to study the spin-dependent charge recombination along PTZ(•+)-Phn-PDI(•-) molecular wires. By comparing our results with the experimental data of Weiss et al. [J. Am. Chem. Soc. 126, 5577 (2004)], we are able to extract the spin-dependent (singlet and triplet) charge recombination rate constants for wires with n = 2-5. These spin-dependent rate constants have not been extracted previously from the experimental data because they require fitting its magnetic field-dependence to the results of quantum spin dynamics simulations...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810784/molecular-simulation-of-homogeneous-crystal-nucleation-of-ab2-solid-phase-from-a-binary-hard-sphere-mixture
#10
Praveen Kumar Bommineni, Sudeep N Punnathanam
Co-crystal formation from fluid-mixtures is quite common in a large number of systems. The simplest systems that show co-crystal (also called substitutionally ordered solids) formation are binary hard sphere mixtures. In this work, we study the nucleation of AB2 type solid compounds using Monte Carlo molecular simulations in binary hard sphere mixtures with the size ratio of 0.55. The conditions chosen for the study lie in the region where nucleation of an AB2 type solid competes with that of a pure A solid with a face-centered-cubic structure...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810521/cropping-systems-affect-paddy-soil-organic-carbon-and-total-nitrogen-stocks-in-rice-garlic-and-rice-fava-systems-in-temperate-region-of-southern-china
#11
Tao Zhang, Anqiang Chen, Jian Liu, Hongbin Liu, Baokun Lei, Limei Zhai, Dan Zhang, Hongyuan Wang
The accumulation of soil organic carbon (SOC) in agricultural soils is critical to food security and climate change. However, there is still limited information on the dynamic trend of SOC sequestration following changes in cropping systems. Paddy soils, typical of temperate region of southern China, have a large potential for carbon (C) sequestration and nitrogen (N) fixation. It is of great importance to study the impacts of changes in cropping systems on stocks of SOC and total nitrogen (TN) in paddy soils...
August 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28807367/an-evaluation-of-progression-free-survival-and-overall-survival-of-ovarian-cancer-patients-with-clear-cell-carcinoma-versus-serous-carcinoma-treated-with-platinum-therapy-an-nrg-oncology-gynecologic-oncology-group-experience
#12
Kate E Oliver, William E Brady, Michael Birrer, David M Gershenson, Gini Fleming, Larry J Copeland, Krishnansu Tewari, Peter A Argenta, Robert S Mannel, Angeles Alvarez Secord, Jean-Marie Stephan, David G Mutch, Frederick B Stehman, Franco M Muggia, Peter G Rose, Deborah K Armstrong, Michael A Bookman, Robert A Burger, John H Farley
PURPOSE: We examined disparities in prognosis between patients with ovarian clear cell carcinoma (OCCC) and serous epithelial ovarian cancer (SOC). METHODS: We reviewed data from FIGO stage I-IV epithelial ovarian cancer patients who participated in 12 prospective randomized GOG protocols. Proportional hazards models were used to compare progression-free survival (PFS) and overall survival (OS) by cell type (clear cell versus serous). RESULTS: There were 10,803 patients enrolled, 9531 were eligible, evaluable and treated with platinum, of whom 544 (6%) had OCCC, 7054 (74%) had SOC, and 1933 (20%) had other histologies and are not included further...
August 11, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28804449/loss-of-leptin-induced-modulation-of-hippocampal-synaptic-trasmission-and-signal-transduction-in-high-fat-diet-fed-mice
#13
Marco Mainardi, Matteo Spinelli, Federico Scala, Andrea Mattera, Salvatore Fusco, Marcello D'Ascenzo, Claudio Grassi
Hippocampal plasticity is triggered by a variety of stimuli including sensory inputs, neurotrophins and inflammation. Leptin, whose primary function is to regulate food intake and energy expenditure, has been recently shown to affect hippocampal neurogenesis and plasticity. Interestingly, mice fed a high-fat diet (HFD) exhibit impaired hippocampal function, but the underlying mechanisms are poorly understood. To address this issue, we compared leptin responsiveness of hippocampal neurons in control and HFD-fed mice by combining single-cell electrophysiology and biochemical assays...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28804392/the-impact-of-aging-stereotypes-on-dementia-worry
#14
Joie Molden, Molly Maxfield
Dementia worry, an anxiety-related response to the possibility of developing dementia, represents an important yet underexplored health concern for an aging population. Such a construct is likely impacted by stereotypes concerning aging, including biased associations of aging with inevitable cognitive decline. The present article explores the impact of mixed positive and negative aging stereotype messages on levels of dementia worry. The Fear of Alzheimer's Disease Scale (FADS) was used to measure impact of priming with different proportions of positive and negative aging stereotype words...
March 2017: European Journal of Ageing
https://www.readbyqxmd.com/read/28803346/sense-of-coherence-self-esteem-and-health-locus-of-control-in-subjects-with-type-1-diabetes-mellitus-with-without-satisfactory-metabolic-control
#15
C Nuccitelli, A Valentini, M T Caletti, C Caselli, N Mazzella, G Forlani, G Marchesini
BACKGROUND: Despite intensive training, a few individuals with Type 1 diabetes mellitus (T1DM) fail to reach the desired metabolic targets. AIM: To evaluate the association between disease-related emotional and cognitive aspects and metabolic control in subjects with T1DM. SUBJECTS AND METHODS: Health locus of control (HLOC), sense of coherence (SOC), and self-esteem were assessed in T1DM subjects using validated questionnaires. Sixty-seven consecutive subjects who did not attain the desired HbA1c target (mean HbA1c, 8...
August 12, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28801893/variation-in-soil-aggregate-size-distribution-affects-the-dissipation-of-polycyclic-aromatic-hydrocarbons-in-long-term-field-contaminated-soils
#16
Ran Wei, Jinzhi Ni, Weifeng Chen, Yusheng Yang
Soil organic matter (SOM) is the main adsorbent for polycyclic aromatic hydrocarbons (PAHs) and the principal aggregating agent for soil aggregation that can affect PAH bioavailability and bioaccessibility in soils. The objective of this study was to analyze the relationship between PAH dissipation and variation in soil aggregate-size distribution in two field-contaminated soils with different soil organic C (SOC) content (Anthrosols, 1.41% SOC; Phaeozems, 8.51% SOC) in phytoremediation with alfalfa. The results showed that there were significant reductions of 10...
August 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28801024/understanding-the-role-of-socs-signaling-in-neurodegenerative-diseases-current-and-emerging-concepts
#17
REVIEW
Antonia Cianciulli, Rosa Calvello, Chiara Porro, Teresa Trotta, Maria Antonietta Panaro
Suppressor of cytokine signaling proteins (SOCS) are a family of intracellular cytokine inducible proteins, consisting of eight members. They are involved in the complex control of the inflammatory response through their actions on various signaling pathways, including the JAK/STAT and NF-κB pathways. A series of studies has shown that SOCS proteins are involved in the regulation and progression of immune responses in microglia cells. The accumulated data suggest that modulation of SOCS expression could be a target for drug development aimed at controlling inflammation in the brain...
August 1, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28800695/long-term-impact-of-manuring-and-fertilization-on-enrichment-stability-and-quality-of-organic-carbon-in-inceptisol-under-two-potato-based-cropping-systems
#18
R K Yadav, T J Purakayastha, M A Khan, S C Kaushik
Soil organic matter (SOM) stability is a prerequisite for long-term C sequestration. The long-term effect of manuring and fertilization on stability of SOM in rice-potato-wheat (R-P-W) and maize-potato-onion (M-P-O) cropping systems was studied in an Inceptisol of semi-arid subtropical India. Soil samples were collected (0-15 and 15-30cm soil depths) from the following treatments: control, 100% NPK-Fertilizer, 100% N-Vermicompost (VC), 50% NPK-Fertilizer+50%N-Vermicompost (VC), 100%NPK-Fertilizer+crop residue (CR), 100% N-VC+CR...
August 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28799806/elevated-serum-level-of-ca125-is-a-biomarker-that-can-be-used-to-alter-prognosis-determined-by-brca-mutation-and-family-history-in-ovarian-cancer
#19
Weiling Liu, Zhizhong Wang, Jie Ma, Yangyang Hou, Jiuzhou Zhao, Bing Dong, Shichun Tu, Li Wang, Yongjun Guo
AIMS: In this study, we determined whether serum tumor markers (STMs), including CA125, are associated with BRCA mutation status and if they can be used prognostically in sporadic ovarian cancer (SOC) and familial ovarian cancer (FOC). METHODS: BRCA gene mutations were screened using next-generation sequencing (NGS) in 31 FOC and 66 SOC patients enrolled between 2013 and 2014. The serum levels of STM CEA, CA125, CA199, and HE4 were also measured in these patients to determine the prognostic potential of these markers and their association with BRCA mutations...
August 11, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28799415/evaluation-of-the-revised-sense-of-coherence-scale-in-a-sample-of-older-adults-a-means-to-assess-resilience-aspects
#20
Shauna L Mc Gee, Jan Höltge, Andreas Maercker, Myriam V Thoma
OBJECTIVES: The present study evaluated the revised Sense of Coherence (SOC-R) scale in a sample of older adults, using an extended range of psychological concepts. It further examined the psychometric properties of the revised scale and tested the theoretical assumptions underpinning the SOC-R concept. METHOD: The SOC-R scale was evaluated in 268 Swiss older adults (mean age = 66.9 years), including n = 15 heavily traumatized former indentured child labourers. Standardised questionnaires collected information on positive and negative life experiences, resources, current health, and well-being...
August 11, 2017: Aging & Mental Health
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