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https://www.readbyqxmd.com/read/29346375/how-do-we-reach-the-girls-and-women-who-are-the-hardest-to-reach-inequitable-opportunities-in-reproductive-and-maternal-health-care-services-in-armed-conflict-and-forced-displacement-settings-in-colombia
#1
Juan Carlos Rivillas, Raul Devia Rodriguez, Gloria Song, Andréanne Martel
OBJECTIVES: This paper assesses inequalities in access to reproductive and maternal health services among females affected by forced displacement and sexual and gender-based violence in conflict settings in Colombia. This was accomplished through the following approaches: first, we assessed the gaps and gradients in three selected reproductive and maternal health care services. Second, we analyzed the patterns of inequalities in reproductive and maternal health care services and changes over time...
2018: PloS One
https://www.readbyqxmd.com/read/29345934/zein-nanoparticles-as-eco-friendly-carrier-systems-for-botanical-repellents-aiming-sustainable-agriculture
#2
Jhones Luiz Oliveira, Estefania Vangelie Ramos Campos, Anderson do Espirito Santo Pereira, Tatiane Pasquoto, Renata Lima, Renato Grillo, Daniel Junior de Andrade, Fabiano Aparecido Dos Santos, Leonardo F Fraceto
Botanical repellents represent one of the main ways of reducing the use of synthetic pesticides and the contamination of soil and hydric resources. However, the poor stability and rapid degradation of these compounds in the environment hinders their effective application in the field. Zein nanoparticles can be used as eco-friendly carrier systems to protect these substances against premature degradation, provide desirable release characteristics, and reduce toxicity in the environment and to humans. In this study, we describe the preparation and characterization of zein nanoparticles loaded with the main constituents of the essential oil of citronella (geraniol and R-citronellal)...
January 18, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29345917/anisotropic-assembly-of-ag52-and-ag76-nanoclusters
#3
Jia-Wei Liu, Lei Feng, Haifeng Su, Zhi Wang, Quan-Qin Zhao, Xingpo Wang, Chen-Ho Tung, Di Sun, Lan-Sun Zheng
Although there has been an upsurge of interest in anisotropic assembly of inorganic nanoparticles, atomically precise self-assembly of anisotropic (nonspherical) high-nuclearity metal clusters is extremely rare. Herein, we presented two novel silver nanoclusters, Ag52 (SD/Ag23) and Ag76 (SD/Ag24), which are interiorly templated by five MoO42- and a pair of Mo6O228- anions, respectively, and co-protected by bridging RSH and terminal diphosphine ligands exteriorly. Regiospe-cific distribution diphosphine ligands on the surface and the arrangement of multiple molybdate templates within the nanoclusters synergetically tailor their shapes to anisotropic oblate spheroid and elongated rod, respectively, as opposed to isotropic nanospheres...
January 18, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29345855/increased-estradiol-in-hepatitis-e-virus-infected-pregnant-women-promote-viral-replication
#4
Chenchen Yang, Wenhai Yu, Yanhong Bi, Feiyan Long, Yunlong Li, Daqiao Wei, Xianhui Hao, Jianwen Situ, Yongqin Zhao, Fen Huang
Hepatitis E virus (HEV) infection causes subclinical diseases, leading to high mortality (> 25%) in pregnant women. HEV replication is aggressively escalated in pregnant women, especially in the third trimester of pregnancy. Estrogen plays an important role in pregnancy. However, the pathogenesis of HEV in pregnant women or immunosuppressive pregnant women (such as HIV-infected, or organ-transplanted pregnant women) remains unclear. We investigated the role of estradiol in HEV infection in a cell culture system...
January 18, 2018: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/29345754/long-term-follow-up-after-full-split-liver-transplantation-and-its-applicability-in-the-recent-transplant-era
#5
Uta Herden, Lutz Fischer, Martina Sterneck, Enke Grabhorn, Bjoern Nashan
INTRODUCTION: Full-split liver transplantation (LTX) offers the possibility to expand the donor pool by utilization of one liver for two adults. The aim of our study was to analyse the long-term outcome in a large series and its applicability in the recent transplant era. METHODS: We performed a retrospective analysis of all full-split LTX from deceased donors (1999-2015). Additionally, the potential of full-split LTX was retrospectively analysed in all whole organ LTX recipients between 2006 and 2015 (after introduction of the MELD allocation)...
January 18, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29345309/microbial-mitigation-exacerbation-continuum-a-novel-framework-for-microbiome-effects-on-hosts-in-the-face-of-stress
#6
Aaron S David, Khum B Thapa-Magar, Michelle E Afkhami
A key challenge to understanding microbiomes and their role in ecological processes is contextualizing their effects on host organisms, particularly when faced with environmental stress. One influential theory, the Stress Gradient Hypothesis, might predict that the frequency of positive interactions increases with stressful conditions such that microbial taxa would mitigate harmful effects on host performance. Yet, equally plausible is that microbial taxa could exacerbate these effects. Here, we introduce the "Mitigation-Exacerbation Continuum" as a novel framework to conceptualize microbial mediation of stress...
January 18, 2018: Ecology
https://www.readbyqxmd.com/read/29345304/toward-more-robust-plant-soil-feedback-research
#7
Matthew J Rinella, Kurt O Reinhart
Understanding if and how plant-soil biota feedbacks (PSFs) shape plant communities has become a major research priority. In this paper, we draw on a recent, high-profile PSF study to illustrate that certain widely used experimental methods cannot reliably determine if PSFs occur. One problem involves gathering soil samples adjacent to multiple conditioning plants, mixing the samples and then growing phytometers in the mixtures to test for PSFs. This mixed soil approach does not establish that the conditioning plant being present caused the soil biota to be present, the first step of a PSF...
January 18, 2018: Ecology
https://www.readbyqxmd.com/read/29345140/high-efficiency-and-stable-organic-solar-cells-enabled-by-dual-cathode-buffer-layers
#8
Zhaoxiang Huai, Lixin Wang, Yansheng Sun, Rui Fan, Shahua Huang, Xiaohui Zhao, Xiaowei Li, Guangsheng Fu, Shaopeng Yang
Various cathode interface materials have been used in organic solar cells (OSCs) to realize high performance. However, most cathode interface materials have their respective weaknesses in maximizing the efficiency or stability of OSCs. Herein, three kinds of alcohol soluble cathode interfacial materials are combined with bathocuproine (BCP) to serve as multi-functional bilayer cathode buffers for the regular OSCs, and thus greatly enhanced power conversion efficiencies (PCEs) over 10.11%, and significantly improved device stability have been achieved...
January 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29345115/metatranscriptome-analysis-reveals-environmental-and-diel-regulation-of-a-heterosigma-akashiwo-raphidophyceae-bloom
#9
Nanjing Ji, Lingxiao Lin, Ling Li, Liying Yu, Yaqun Zhang, Hao Luo, Meizhen Li, Xinguo Shi, Da-Zhi Wang, Senjie Lin
Despite numerous laboratory studies on physiologies of harmful algal bloom (HAB) species, physiologies of these algae during a natural bloom are understudied. Here, we investigated a bloom of the raphidophyte Heterosigma akashiwo in the East China Sea in 2014 using metabarcode (18S rDNA) and metatranscriptome sequencing. Based on 18S rDNA analyses, the phytoplankton community shifted from high diversity in the pre-bloom stage to H. akashiwo predominance during the bloom. A sharp decrease in ambient dissolved inorganic phosphate and strong up-regulation of phosphate and dissolved organic phosphorus (DOP) uptake genes, including the rarely documented (ppGpp)ase, in H...
January 18, 2018: Environmental Microbiology
https://www.readbyqxmd.com/read/29345091/the-responses-of-microbial-temperature-relationships-to-seasonal-change-and-winter-warming-in-a-temperate-grassland-soil
#10
Johanna Birgander, Pål Axel Olsson, Johannes Rousk
Microorganisms dominate the decomposition of organic matter and their activities are strongly influenced by temperature. As the carbon (C) flux from soil to the atmosphere due to microbial activity is substantial, understanding temperature relationships of microbial processes is critical. It has been shown that microbial temperature relationships in soil correlate with the climate, and microorganisms in field experiments become more warm-tolerant in response to chronic warming. It is also known that microbial temperature relationships reflect the seasons in aquatic ecosystems, but to date this has not been investigated in soil...
January 18, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29345058/frontline-science-anti-pd-l1-protects-against-infection-with-common-bacterial-pathogens-after-burn-injury
#11
Naeem K Patil, Liming Luan, Julia K Bohannon, Antonio Hernandez, Yin Guo, Edward R Sherwood
Burn patients are susceptible to infections due, in part, to immune dysfunction. Upregulation of programmed death-1 (PD-1) receptor on T cells and programmed cell death ligand-1 (PD-L1) on myeloid cells contribute to immune dysfunction in nonburn-related sepsis. We hypothesized that PD-1/PDL1 interactions contribute to immune dysfunction after burn injury. To determine the impact of burn injury and infection on PD-L1, PD-1 and costimulatory receptor expression by leukocytes and its relationship to T cell functions...
January 2018: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345024/being-pluripotent-bone-marrow-vsels-rather-than-hscs-have-the-potential-to-regenerate-other-adult-organs
#12
REVIEW
Deepa Bhartiya
Recent study by Deanne's group provides evidence that transplanted GFP positive bone marrow hematopoietic stem cells (HSCs) expressing CD45 do not regenerate the endometrium of irradiated mice. The results do not surprise us since global efforts to regenerate various organs by transplanting bone marrow (BM) mononuclear cells (presumably enriched for HSCs) have failed. HSCs can only regenerate/reconstitute BM as they are 'committed progenitors' that are specified from more primitive, CD45 negative stem cells...
January 18, 2018: Stem Cells
https://www.readbyqxmd.com/read/29345015/dynamic-sex-chromosomes-in-old-world-chameleons-squamata-chamaeleonidae
#13
S V Nielsen, J L Banks, R E Diaz, P A Trainor, T Gamble
Much of our current state of knowledge concerning sex chromosome evolution is based on a handful of 'exceptional' taxa with heteromorphic sex chromosomes. However, classifying the sex chromosome systems of additional species lacking easily identifiable, heteromorphic sex chromosomes is indispensible if we wish to fully understand the genesis, degeneration, and turnover of vertebrate sex chromosomes. Squamate reptiles (lizards and snakes) are a potential model clade for studying sex chromosome evolution as they exhibit a suite of sex determining modes yet most species lack heteromorphic sex chromosomes...
January 18, 2018: Journal of Evolutionary Biology
https://www.readbyqxmd.com/read/29345005/-there-s-no-acknowledgement-of-what-this-does-to-people-a-qualitative-exploration-of-mental-health-among-parents-of-children-with-critical-congenital-heart-defects
#14
Sarah Woolf-King, Emily Arnold, Sandra Weiss, David Teitel
AIMS AND OBJECTIVES: The purpose of this study was to explore the psychological impact of parenting a child with a critical congenital heart defect (CHD), and the feasibility and acceptability of integrating psychological services into pediatric cardiology care. BACKGROUND: Children with critical CHD are at an increased risk for long-term behavioral, social, and emotional difficulties. Data suggest that this risk is partially attributable to parental mental health, which is a stronger predictor of long-term behavioral problems in CHD children than disease-specific and surgical factors...
January 18, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29344719/phosphorylation-of-vasodilator-stimulated-phosphoprotein-contributes-to-myocardial-ischemic-preconditioning
#15
David Köhler, Sofia-Iris Bibli, Lothar P Klammer, Judith M Roth, Rainer Lehmann, Ingrid Fleming, Tiago F Granja, Andreas Straub, Peter M Benz, Peter Rosenberger
Ischemic preconditioning (IP) is a well-known strategy to protect organs against cell death following ischemia. The previous work has shown that vasodilator-stimulated phosphoprotein (VASP) is involved in cytoskeletal reorganization and that it holds significant importance for the extent of myocardial ischemia reperfusion injury. Yet, the role of VASP during myocardial IP is, to date, not known. We report here that VASP phosphorylation at serine157 and serine239 is induced during hypoxia in vitro and during IP in vivo...
January 17, 2018: Basic Research in Cardiology
https://www.readbyqxmd.com/read/29344650/adrenomedullin-serves-a-role-in-the-humoral-pathway-of-delayed-remote-ischemic-preconditioning-via-a-hypoxia-inducible-factor-1%C3%AE-associated-mechanism
#16
Wenpei Dong, Ping Yu, Tielong Zhang, Chenzhuang Zhu, Jun Qi, Junhao Liang
Remote ischemic preconditioning (RIPC) is a minimally invasive method that provides protection by reducing injury to the heart, kidneys, brain and other tissues or organs. RIPC may improve the outcome in patients undergoing surgery. Although the role of RIPC has been studied, the results remain controversial. It is difficult to confirm whether RIPC has a kidney protective effect and the understanding of the preconditioning signal pathway involved remains unclear. In the present study, the effect of RIPC in urology was evaluated...
January 17, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29343964/achalasia-following-reflux-disease-coincidence-consequence-or-accommodation-an-experience-based-literature-review
#17
András Vereczkei, Laura Bognár, András Papp, Örs Péter Horváth
Achalasia is a motility disorder of the esophagus characterized by the defective peristaltic activity of the esophageal body and impaired relaxation of the lower esophageal sphincter due to the degeneration of the inhibitory neurons in the myenteric plexus of the esophageal wall. The histopathological and pathophysiological changes in achalasia have been well described. However, the exact etiological factors leading to the disease still remain unclear. Currently, achalasia is believed to be a multifactorial disease, involving both extrinsic and intrinsic factors...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29343580/advancing-our-understanding-of-protective-maternal-immunity-as-a-guide-for-development-of-vaccines-to-reduce-congenital-cytomegalovirus-infections
#18
Sallie R Permar, Mark R Schleiss, Stanley A Plotkin
Human cytomegalovirus (HCMV) is the most common congenitally transmitted pathogen worldwide, impacting an estimated 1 million newborns annually. Congenital HCMV (cCMV) infection is a major global contributor to long-term neurologic deficits, including deafness, microcephaly, neurodevelopmental delay, as well as fetal loss and occasional infant mortality. Accordingly, a maternal vaccine to prevent cCMV continues to be a top public health priority. Nevertheless, we remain without a licensed vaccine. Maternal immunity provides partial protection, as the risk of vertical HCMV transmission from chronically infected mothers is reduced compared to settings in which the mother is newly infected during pregnancy...
January 17, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29342939/deciphering-the-evolution-and-development-of-the-cuticle-by-studying-lipid-transfer-proteins-in-mosses-and-liverworts
#19
REVIEW
Tiina A Salminen, D Magnus Eklund, Valentin Joly, Kristina Blomqvist, Daniel P Matton, Johan Edqvist
When plants conquered land, they developed specialized organs, tissues, and cells in order to survive in this new and harsh terrestrial environment. New cell polymers such as the hydrophobic lipid-based polyesters cutin, suberin, and sporopollenin were also developed for protection against water loss, radiation, and other potentially harmful abiotic factors. Cutin and waxes are the main components of the cuticle, which is the waterproof layer covering the epidermis of many aerial organs of land plants. Although the in vivo functions of the group of lipid binding proteins known as lipid transfer proteins (LTPs) are still rather unclear, there is accumulating evidence suggesting a role for LTPs in the transfer and deposition of monomers required for cuticle assembly...
January 15, 2018: Plants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29341859/an-indoor-air-quality-evaluation-in-a-residential-retrofit-project-using-spray-polyurethane-foam
#20
Shen Tian, Scott Ecoff, John Sebroski, Jason Miller, Harold Rickenbacker, Melissa Bilec
Understanding of indoor air quality (IAQ) during and after spray polyurethane foam (SPF) application is essential to protect the health of both workers and building occupants. Previous efforts such as field monitoring, micro-chamber/spray booth emission studies and fate/transport modeling have been conducted to understand the chemical exposure of SPF and guide risk mitigation strategies. However, each type of research has its limitation and can only reveal partial information on the relationship between SPF and IAQ...
January 17, 2018: Journal of Occupational and Environmental Hygiene
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