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https://www.readbyqxmd.com/read/28646907/dimensions-of-social-capital-of-families-with-thalassemia-in-an-indigenous-population-in-tamil-nadu-india-a-qualitative-study
#1
Bharathi Palanisamy, Kalpana Kosalram, Vijayaprasad Gopichandran
BACKGROUND: Studies have shown that social capital is positively associated with health, and the association is context-based. Indigenous populations with poor access to health care largely depend on social capital for their health care needs. This study was conducted to explore the dimensions and types of social capital and its utilization by families with thalassemia for their health and well-being in an indigenous population in Tamil Nadu, India. METHODS: The participants in the study were parents who had children with thalassemia, belonged to an indigenous community in Tamil Nadu, were poor and marginalized, and had poor access to health care...
June 24, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28645645/determinants-of-plasma-donation-a-review-of-the-literature
#2
A Beurel, F Terrade, J-P Lebaudy, B Danic
The major contribution of Human Sciences in the understanding of the whole blood donation behavior has been through the study of individuals' motivations and deterrents to donate. However, if whole blood donation has been very widely studied in the last sixty years, we still know very little about plasma donation in voluntary non-remunerated environments. Yet, the need for plasma-derived products has been strongly increasing for some years, and blood collection agencies have to adapt if they want to meet this demand...
June 20, 2017: Transfusion Clinique et Biologique: Journal de la Société Française de Transfusion Sanguine
https://www.readbyqxmd.com/read/28645493/sprayable-carbopol-hydrogel-with-soluble-beta-1-3-1-6-glucan-as-an-active-ingredient-for-wound-healing-development-and-in-vivo-evaluation
#3
Jostein Grip, Rolf Einar Engstad, Ingrid Skjæveland, Nataša Škalko-Basnet, Ann Mari Holsæter
Chronic wounds represent a significant health problem worldwide. There is a need for advanced- and cost-efficient wound healing products able to increase patient comfort and reduce the healing time. The aim of this study was to develop a sprayable hydrogel dressing with beta-glucan (βG) as the active ingredient, targeting future application in the treatment of both chronic and burn wounds. The βG was chosen as an active ingredient because of its promising wound healing capabilities, whereas Carbopol 971P NF (Carbopol) was chosen as the thickening agent in the formulation due to several attractive characteristics such as its low viscosity, low toxicity, high transparency and good ion tolerance...
June 20, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28644466/characterization-of-a-selenocysteine-ligated-p450-compound-i-reveals-direct-link-between-electron-donation-and-reactivity
#4
Elizabeth L Onderko, Alexey Silakov, Timothy H Yosca, Michael T Green
Strong electron-donation from the axial thiolate ligand of cytochrome P450 has been proposed to increase the reactivity of compound I with respect to C-H bond activation. However, it has proven difficult to test this hypothesis, and a direct link between reactivity and electron donation has yet to be established. To make this connection, we have prepared a selenolate-ligated cytochrome P450 compound I intermediate. This isoelectronic perturbation allows for direct comparisons with the wild-type enzyme. Selenium incorporation was achieved using a cysteine auxotrophic Escherichia coli strain...
July 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28644289/the-growing-need-for-diverse-blood-donors
#5
Linda M MacIntyre
: Research shows that phenotype matching can improve the outcomes of people who receive repeated transfusions. In addition, the demographics of the United States are shifting, and more ethnically and racially diverse donors are needed. These factors have health implications and require ongoing efforts to ensure a safe and adequate U.S. blood supply. Nurses can help to develop and implement strategies to increase the number and diversity of blood donors, ensuring donations better match the needs of transfusion recipients daily and in the event of a public health emergency...
July 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28643874/2-6-bis-diazaboryl-pyridine-a-superbasic-sterically-demanding-pyridine-ligand
#6
Tobias Böttcher, Daniel Himmel, Jan Schröder
Herein we present a convenient one-pot route to a sterically demanding superbasic pyridine. Functionalization of the 2,6-positions with the highly sigma-donating boryl-groups shifts the calculated gas phase basicity of the pyridine's nitrogen atom to 1012 kJ mol-1, which outperforms the 'proton sponge' 1,8-bis(dimethylamino)naphthalene (996 kJ mol-1). The diazaboryl groups are oriented orthogonal to the pyridine ring and do not block the N-position, resembling the geometry of commonly used N-heterocyclic carbenes...
June 23, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28643867/transfusion-transmitted-cmv-infection%C3%A2-%C3%A2-current-knowledge-and-future-perspectives
#7
REVIEW
M Ziemann, T Thiele
Transmission of human cytomegalovirus (CMV) via transfusion (TT-CMV) may still occur and remains a challenge in the treatment of immunocompromised CMV-seronegative patients, e.g. after stem cell transplantation, and for low birthweight infants. Measures to reduce the risk of TT-CMV have been evaluated in clinical studies, including leucocyte depletion of cellular blood products and/or the selection of CMV-IgG-negative donations. Studies in large blood donor cohorts indicate that donations from newly CMV-IgG-positive donors should bear the highest risk for transmitting CMV infections because they contain the highest levels of CMV-DNA, and early CMV antibodies cannot neutralise CMV...
June 23, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28643577/an-assessment-of-advance-relatives-approach-for-brain-death-organ-donation
#8
Carine Michaut, Antoine Baumann, Hélène Gregoire, Corinne Laviale, Gérard Audibert, Xavier Ducrocq
BACKGROUND: Advance announcement of forthcoming brain death has developed to enable intensivists and organ procurement organisation coordinators to more appropriately, and separately from each other, explain to relatives brain death and the subsequent post-mortem organ donation opportunity. Research aim: The aim was to assess how potentially involved healthcare professionals perceived ethical issues surrounding the strategy of advance approach. RESEARCH DESIGN: A multi-centre opinion survey using an anonymous self-administered questionnaire was conducted in the six-member hospitals of the publicly funded East of France regional organ and tissue procurement network called 'Prélor'...
January 1, 2017: Nursing Ethics
https://www.readbyqxmd.com/read/28643569/iron-overload-directly-affecting-the-ovaries-in-a-patient-with-diamond-blackfan-anaemia-a-case-report
#9
Mariano Mascarenhas, Victoria Rawnsley, Adam Balen
Iron is a 'one-way' element and the primary point of regulation of body iron stores is at the level of intestinal iron absorption. Repeated blood transfusions for congenital anaemias bypass this regulatory checkpoint and inevitably lead to iron overload in the long-term. Iron overload causes multi-organ dysfunction of the heart, liver, pancreas and joints. It also causes reproductive toxicity primarily through its damaging effect on the anterior pituitary leading to hypogonadotrophic hypogonadism. Another less understood mechanism of reproductive toxicity is direct gonadal damage of excess free iron...
June 23, 2017: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/28643513/photochemical-cleavage-of-benzylic-c-o-bond-facilitated-by-an-ortho-or-meta-amino-group
#10
Xiong Ding, Pengfei Wang
The excited state meta effect, also known as the meta-ortho effect, results from selective electron transmission from an electron-donating group to the meta and ortho sites on an aromatic ring in its first excited singlet state. This effect facilitates photochemical cleavage of benzylic C-O or C-N bond to release the corresponding alcohol, carboxylic acid, or amine when an electron-donating amino group is at the meta position, as demonstrated in our recent work of using a 3-diethylaminobenzyl (DEABn) group as an effective photolabile protecting group (PPG)...
June 23, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28643362/-super-reducing-photocatalysis-consecutive-energy-and-electron-transfers-with-polycyclic-aromatic-hydrocarbons
#11
Malte Brasholz
Donation welcome: Recent developments in visible-light photocatalysis allow the utilization of increasingly negative reduction potentials. Successive energy and electron transfer with polycyclic aromatic hydrocarbons enables the catalytic formation of strongly reducing arene radical anions, classical stoichiometric reagents for one-electron reduction in organic synthesis.
June 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28641156/mild-c-sp-3-h-functionalization-of-dihydrosanguinarine-and-dihydrochelerythrine-for-development-of-highly-cytotoxic-derivatives
#12
Adriana Romo-Pérez, Luis Demetrio Miranda, Alma D Chávez-Blanco, Alfonso Dueñas-González, María Del Rayo Camacho-Corona, Alejandrina Acosta-Huerta, Abraham García
A series of C(6)-substituted dihydrobenzo[c]phenanthridines were synthesized by mild copper-catalyzed C(sp(3))-H functionalization of dihydrosanguinarine (2) and dihydrochelerythrine (3) with certain nucleophiles selected to enhance cytotoxicity against human breast, colorectal, and prostate cancer cell lines. We also investigated the cytotoxicity of our previously reported C(6)-functionalized N-methyl-5,6-dihydrobenzo[c]phenanthridines 1a-1e to perform structure-activity relationship (SAR) studies. Among the target compounds, five β-aminomalonates (1a, 1b, 2a, 2b, and 3b), one α-aminophosphonate (2c), and one nitroalkyl derivative (2h) exhibited half maximal inhibitory concentration (IC50) values in the range of 0...
June 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28641143/spectroscopic-and-thermodynamic-studies-of-light-harvesting-perylenediimide-derivative-zinc-porphyrin-complex-in-aqueous-media
#13
Ahmed El-Refaey, Shaban Y Shaban, Maged El-Kemary, Mohamed E El-Khouly
Self-assembly of perylene derivative such as N,N'-bis(2(trimethylammonium iodide) ethylene)perylene-3,4,9,10-tetracarboxyldiimide (TAIPDI) can produce one-dimensional form (1D) in an aqueous media. The ability of one-dimensional TAIPDI to form light harvesting complex with water-soluble zinc porphyrin (ZnTPPS4) via the π-π and electrostatic interactions has been described. Owing to electronic interactions between the π-systems, the complex formation is accompanied by pronounced absorption spectral changes in the UV/Vis absorption bands...
June 15, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28640438/readability-content-analysis-and-racial-ethnic-diversity-of-online-living-kidney-donation-information
#14
James R Rodrigue, Mario Feranil, Jenna Lang, Aaron Fleishman
More than three-fourths of adults in the US use the internet to access health-related information. Adults exploring the possibility of living donation should have access to online content that is readable and comprehensive. We simulated a search of online information about living kidney donation and evaluated readability, topics covered, and racial/ethnic diversity of 21 websites meeting inclusion criteria (e.g., hosted by a non-profit or patient advocacy organization, English content, based in US). Using standard readability metrics, 62% of sites were classified as "Difficult to read" and none achieved the recommended reading level of 6(th) grade...
June 22, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28640237/broad-consent-for-health-care-embedded-biobanking-understanding-and-reasons-to-donate-in-a-large-patient-sample
#15
Gesine Richter, Michael Krawczak, Wolfgang Lieb, Lena Wolff, Stefan Schreiber, Alena Buyx
PurposeTo facilitate ethically acceptable and practically successful health care-embedded biobanking, the attitudes and understanding of patients and their motivation to participate need to be explored.MethodsA questionnaire study was conducted among 760 outpatients of a northern German university hospital to assess their awareness of, and motivation for giving broad consent to health care-embedded biobanking, also addressing the issue of feedback on individual-level research findings.ResultsThe overall willingness to give broad consent was high (86...
June 22, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28639703/an-assessment-of-differences-in-costs-and-health-benefits-of-serology-and-nat-screening-of-donations-for-blood-transfusion-in-different-western-countries
#16
M P Janssen, M van Hulst, B Custer
BACKGROUND AND OBJECTIVES: The cost-utility of safety interventions is becoming increasingly important as a driver of implementation decisions. The aim of this study was to compare the cost-utility of different blood screening strategies in various settings, and to analyse the extent and cause of differences in health economic results. MATERIALS AND METHODS: For eight Western countries (Australia, Canada, Denmark, Finland, France, The Netherlands, UK and the United States of America), data were collected on donor and recipient populations, blood products, screening tests, and on patient treatment practices and costs...
June 22, 2017: Vox Sanguinis
https://www.readbyqxmd.com/read/28639699/an-evaluation-of-asymptomatic-dengue-infections-among-blood-donors-during-the-2014-dengue-outbreak-in-guangzhou-china
#17
Qiao Liao, Zhengang Shan, Min Wang, Jieting Huang, Ru Xu, Ke Huang, Xi Tang, Weiyun Zhang, Kenrad Nelson, Chengyao Li, Yongshui Fu, Xia Rong
In 2014, an outbreak of dengue virus (DENV) infection led to 45171clinical cases diagnosed in Guangdong province, southern China. However, the potential risk of blood donors asymptomatically infected with DENV has not been evaluated. In the current study we detected anti-DENV IgG antibody and RNA in volunteer Chinese blood donors. We found that anti-DENV IgG antibody was positively detected in 3.4% (51/1500) and two donors were detected as being DENV RNA positive out of 3000 blood samples. We concluded that the presence of potential DENV in blood donors might be potential risk for blood safety...
June 22, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28639291/perfusion-of-isolated-rat-kidney-with-mesenchymal-stromal-cells-extracellular-vesicles-prevents-ischaemic-injury
#18
Marilena Gregorini, Valeria Corradetti, Eleonora Francesca Pattonieri, Chiara Rocca, Samantha Milanesi, Andrea Peloso, Silvana Canevari, Loris De Cecco, Matteo Dugo, Maria Antonietta Avanzini, Melissa Mantelli, Marcello Maestri, Pasquale Esposito, Stefania Bruno, Carmelo Libetta, Antonio Dal Canton, Teresa Rampino
Kidney donation after circulatory death (DCD) is a less than ideal option to meet organ shortages. Hypothermic machine perfusion (HMP) with Belzer solution (BS) improves the viability of DCD kidneys, although the graft clinical course remains critical. Mesenchymal stromal cells (MSC) promote tissue repair by releasing extracellular vesicles (EV). We evaluated whether delivering MSC-/MSC-derived EV during HMP protects rat DCD kidneys from ischaemic injury and investigated the underlying pathogenic mechanisms...
June 21, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28638774/nature-of-the-ru-no-coordination-bond-kohn-sham-molecular-orbital-and-energy-decomposition-analysis
#19
Renato P Orenha, Marcus V J Rocha, Jordi Poater, Sérgio E Galembeck, F Matthias Bickelhaupt
We have analyzed structure, stability, and Ru-NO bonding of the trans-[RuCl(NO)(NH3)4](2+) complex by using relativistic density functional theory. First, we focus on the bond dissociation energies associated with the three canonical dissociation modes leading to [RuCl(NH3)4](+)+NO(+), [RuCl(NH3)4](2+)+NO, and [RuCl(NH3)4](3+)+NO(-). The main objective is to understand the Ru-NO(+) bonding mechanism in the conceptual framework of Kohn-Sham molecular orbital theory in combination with a quantitative energy decomposition analysis...
June 2017: ChemistryOpen
https://www.readbyqxmd.com/read/28638611/does-size-matter-kidney-transplant-donor-size-determines-kidney-function-among-living-donors
#20
Meenakshi Narasimhamurthy, Lachlan M Smith, Jason T Machan, Steven E Reinert, Reginald Y Gohh, Lance D Dworkin, Basma Merhi, Nikunjkumar Patel, Michael D Beland, Susie L Hu
BACKGROUND: Kidney donor outcomes are gaining attention, particularly as donor eligibility criteria continue to expand. Kidney size, a useful predictor of recipient kidney function, also likely correlates with donor outcomes. Although donor evaluation includes donor kidney size measurements, the association between kidney size and outcomes are poorly defined. METHODS: We examined the relationship between kidney size (body surface area-adjusted total volume, cortical volume and length) and renal outcomes (post-operative recovery and longer-term kidney function) among 85 kidney donors using general linear models and time-to-chronic kidney disease data...
February 2017: Clinical Kidney Journal
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