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https://www.readbyqxmd.com/read/29457715/embedding-a-diketopyrrolopyrrole-based-crosslinking-interfacial-layer-enhances-the-performance-of-organic-photovoltaics
#1
Hsiang-Lin Hsu, Ying-Chieh Chao, Yu-Hua Liao, Chung-Lin Chung, Ya-Juan Peng, ChihPing Chen, Ru-Jong Jeng
In this study, we prepared DPPBTDA, a diketopyrrolopyrrole (DPP)-based small molecule presenting a terminal crosslinkable azido group, as a cathode modified layer for organic photovoltaics (OPVs) having the inverted device structure glass/indium tin oxide (ITO)/zinc oxide (ZnO) with or without interfacial layer (IFL)/active layer/MoO3/Ag. The active layer comprised a blend of poly[4,8-bis(5-(2-ethylhexyl)thien-2-yl)benzo[1,2-b;4,5-b´]dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene)-2-carboxylate-2,6-diyl] (PTB7-Th) as the electron donating moiety and [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) as the electron acceptor...
February 19, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29457352/controllable-bipolar-doping-of-graphene-with-2d-molecular-dopants
#2
Boseok Kang, Haena Kim, Joong Tark Han, Dae Gun Kim, Kilwon Cho
The fine control of graphene doping levels over a wide energy range remains a challenging issue for the electronic applications of graphene. Here, the controllable doping of chemical vapor deposited graphene, which provides a wide range of energy levels (shifts up to ± 0.5 eV), is demonstrated through physical contact with chemically versatile graphene oxide (GO) sheets, a 2D dopant that can be solution-processed. GO sheets are a p-type dopant due to their abundance of electron-withdrawing functional groups...
February 19, 2018: Small
https://www.readbyqxmd.com/read/29457269/ambulatory-blood-pressure-monitoring-in-living-kidney-donors-what-changes-in-ten-years
#3
Serkan Feyyaz Yalin, Sinan Trabulus, Nurhan Seyahi, Mahir Cengiz, Mustafa Erdogan Cicik, Mehmet Riza Altiparmak
In renal transplantation, living donations have more significant benefits compared to cadaveric donations. However, a probable increase in blood pressure following donation should also be kept in mind. In this study, we investigated the long-term changes in blood pressure in living kidney donors using ambulatory blood pressure monitoring and we explored the e-GFR and albuminuria/proteinuria measurements at three time points. Twenty-eight living kidney donors and 39 healthy individuals were evaluated and compared at the baseline and later at the 10th year...
February 19, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29457175/tetrabenzo-chichibabin-s-hydrocarbons-substituent-effects-and-unusual-thermochromic-and-thermomagnetic-behaviours
#4
Chuanling Jiang, Yawen Bang, Xinhao Wang, Xuefeng Lu, Zhenglong Lim, Haipeng Wei, Samir El-Hankari, Jishan Wu, Zebing Zeng
Open-shell π-conjugated compounds have recently received intense attention due to their unique properties and promising applications in materials science. However, the experiments on how the substituents affect their chemical bonding and structural motif remain less addressed. In this work, a series of tetrabenzo-Chichibabin's hydrocarbon (TBC) derivatives substituted by different electron-donating or -withdrawing groups at the termini were synthesized. The substituent effect was studied via X-ray crystallographic analysis...
February 19, 2018: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29457171/exploiting-coordination-geometry-to-selectively-predict-the-%C3%AF-donor-and-%C3%AF-acceptor-abilities-of-ligands-a-back-and-forth-journey-between-electronic-properties-and-spectroscopy
#5
Marco Fusè, Isabella Rimoldi, Giorgio Facchetti, Sergio Rampino, Vincenzo Barone
Through an analysis of eighty tetrahedral and square-planar metal carbonyls of general formula [M(CO)(L')(L)2 ] including newly synthesized chlorocarbonyl rhodium complexes with chelating atropoisomeric diphosphanes, we show how coordination geometry can switch the carbonyl stretching frequency into a selective probe of the σ-donor and π-acceptor abilities of the ligands. We thus provide a framework whereby the σ-donation and π-backdonation constituents of the Dewar-Chatt-Duncanson model can be quantitatively predicted through spectroscopic data on coordinated CO moieties and vice versa...
February 19, 2018: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29456600/conscientious-objection-to-deceased-organ-donation-by-healthcare-professionals
#6
David Shaw, Dale Gardiner, Penney Lewis, Nichon Jansen, Tineke Wind, Undine Samuel, Denie Georgieva, Rutger Ploeg, Andrew Broderick
In this article, we analyse the potential benefits and disadvantages of permitting healthcare professionals to invoke conscientious objection to deceased organ donation. There is some evidence that permitting doctors and nurses to register objections can ultimately lead to attitudinal change and acceptance of organ donation. However, while there may be grounds for conscientious objection in other cases such as abortion and euthanasia, the life-saving nature of donation and transplantation renders objection in this context more difficult to justify...
February 2018: Journal of the Intensive Care Society
https://www.readbyqxmd.com/read/29456593/presumed-evidence-in-deemed-consent-to-organ-donation
#7
EDITORIAL
David Shaw
No abstract text is available yet for this article.
February 2018: Journal of the Intensive Care Society
https://www.readbyqxmd.com/read/29456223/knowledge-and-attitude-toward-organ-donation-among-people-in-lanja-a-rural-town-in-india
#8
Vaishaly K Bharambe, Vasanti U Arole, Vatsalaswamy Puranam, Preeti P Kulkarni, Prashant B Kulkarni
Organ shortage is the greatest challenge facing the field of organ transplantation today. We aimed to study the attitude and knowledge toward body and organ donation among people in rural India. The present study was conducted in a rural town called Lanja, in the Konkan region of Maharashtra in India. A questionnaire covering demographic data, knowledge, and attitude of the participants was distributed to 400 students, middle-aged and senior citizens; 91.5% of the respondents were aware about organ donation...
January 2018: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/29455042/trapping-of-1-2-cyclohexadiene-a-dft-mechanistic-study-on-the-reaction-of-1-2-cyclohexadiene-with-olefins-and-nitrones
#9
Emmanuel Amoah Boafo, Kwabena Darko, Bright Aryeh Afriyie, Richard Tia, Evans Adei
The mechanistic aspects of cycloaddition reactions of 1,2-cyclohexadiene with olefins and nitrones have been investigated with DFT calculations. The results show that the cycloaddition reactions of 1,2-cyclohexadiene with olefins do not go through a concerted pathway (one-step mechanism) but rather a stepwise one involving the formation of a biradical intermediate which then closes to form final cycloadduct. Electron-withdrawing substituents on the 1,2-cyclohexadiene decrease the activation barrier of the biradical-forming step but increase the barrier of the product-forming step and product stability, while electron-donating substituents on the 1,2-cyclohexadiene increase the barriers for both the biradical-forming step and the product-forming step but decrease the product stability...
February 13, 2018: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/29454573/revisiting-donor-risk-over-two-decades-of-single-center-experience-more-attention-on-the-impact-of-overweight
#10
Cheng-Maw Ho, Yu-Min Huang, Rey-Heng Hu, Yao-Ming Wu, Ming-Chih Ho, Po-Huang Lee
OBJECTIVE: Morbidity rates after living donor hepatectomy vary greatly among centers. Donor morbidity in a tertiary center over the past two decades was revisited. METHODS: Clinical data and grading of complications were reviewed by a nontransplant surgeon based on Clavien 5 tier grading. Risk factors were analyzed. RESULTS: In total, 473 consecutive living liver donors from 1997 to 2016 were included for analysis; 305 were right liver donors and 168 left liver donors, and the corresponding morbidity rates were 27...
February 14, 2018: Asian Journal of Surgery
https://www.readbyqxmd.com/read/29453758/theoretical-study-on-the-optical-response-behavior-to-hydrogen-chloride-gas-of-a-series-of-schiff-base-based-star-shaped-structures
#11
Fei Wang, Tianhong Qi, Zhongmin Su, Yuzhong Xie
Schiff-base compounds have many applications in the field of optoelectronic materials and chemical sensing because of their appealing coordination ability, and simple and easily accessible use in structural modification. Herein, five kinds of star-shaped Schiff-base compounds were designed and their optical response behavior to hydrogen chloride (HCl) gas was studied using dependent/time-dependent density functional theory (DFT/TDDFT). Moreover, the relationship between structures and properties was investigated upon changing the benzene group into N atom or triazine group at the core-position and introducing a methoxyl (-OCH 3 ) or nitro (-NO 2 ) group into the star-shaped Schiff-bases at the tail of the branches...
February 17, 2018: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/29453192/dutch-to-start-presumed-consent-for-organ-donation-in-2020
#12
Tony Sheldon
No abstract text is available yet for this article.
February 16, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29451946/first-experience-in-switzerland-in-phe508del-homozygous-cystic-fibrosis-patients-with-end-stage-pulmonary-disease-enrolled-in-a-lumacaftor-ivacaftor-therapy-trial-preliminary-results
#13
Christian Murer, Lars Christian Huber, Thomas Kurowski, Astrid Hirt, Cécile A Robinson, Urs Bürgi, Christian Benden
AIMS OF THE STUDY: Cystic fibrosis is the most common genetic disorder in Caucasians. The combination of the cystic fibrosis transmembrane conductance regulator (CFTR) corrector lumacaftor / potentiator ivacaftor (LUM/IVA) has been shown to increase forced expiratory volume in 1 second (FEV1) moderately, but predominantly reduce acute exacerbation rate (AER) in Phe508del homozygous cystic fibrosis patients; however, patients with FEV1 <40% predicted were excluded from studies. We used LUM/IVA on a "compassionate use" basis in cystic fibrosis patients with end-stage pulmonary disease...
February 16, 2018: Swiss Medical Weekly
https://www.readbyqxmd.com/read/29451923/to-what-extent-do-potential-conservation-donors-value-community-aspects-of-conservation-projects-in-low-income-countries
#14
Amy R Lewis, Richard P Young, James M Gibbons, Julia P G Jones
There is a major gap in funding required for conservation, especially in low income countries. Given the significant contribution of taxpayers in industrialized countries to funding conservation overseas, and donations from membership organisation, understanding the preferences of ordinary people in a high income country for different attributes of conservation projects is valuable for future marketing of conservation. We conducted a discrete choice experiment with visitors to a UK zoo, while simultaneously conducting a revealed preference study through a real donation campaign on the same sample...
2018: PloS One
https://www.readbyqxmd.com/read/29451527/corrigendum-for-effect-of-growth-hormone-on-uterine-receptivity-in-women-with-repeated-implantation-failure-in-an-oocyte-donation-program-a-randomized-controlled-trial
#15
(no author information available yet)
[This corrects the article DOI: 10.1210/js.2017-00359.].
February 1, 2018: Journal of the Endocrine Society
https://www.readbyqxmd.com/read/29450199/transfusion-transmitted-hepatitis-e-nat-screening-of-blood-donations-and-infectious-dose
#16
Jens Dreier, Cornelius Knabbe, Tanja Vollmer
The risk and importance of transfusion-transmitted hepatitis E virus (TT-HEV) infections by contaminated blood products is currently a controversial discussed topic in transfusion medicine. The infectious dose, in particular, remains an unknown quantity. In the present study, we illuminate and review this aspect seen from the viewpoint of a blood donation service with more than 2 years of experience in routine HEV blood donor screening. We systematically review the actual status of presently known cases of TT-HEV infections and available routine NAT-screening assays...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29450198/parvovirus-b19-what-is-the-relevance-in-transfusion-medicine
#17
REVIEW
David Juhl, Holger Hennig
Parvovirus B19 (B19V) has been discovered in 1975. The association with a disease was unclear in the first time after the discovery of B19V, but meanwhile, the usually droplet transmitted B19V is known as the infectious agent of the "fifth disease," a rather harmless children's illness. But B19V infects erythrocyte progenitor cells and thus, acute B19V infection in patients with a high erythrocyte turnover may lead to a life-threatening aplastic crisis, and acutely infected pregnant women can transmit B19V to their unborn child, resulting in a hydrops fetalis and fetal death...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29449453/conserved-and-divergent-features-of-human-and-mouse-kidney-organogenesis
#18
Nils O Lindström, Jill A McMahon, Jinjin Guo, Tracy Tran, Qiuyu Guo, Elisabeth Rutledge, Riana K Parvez, Gohar Saribekyan, Robert E Schuler, Christopher Liao, Albert D Kim, Ahmed Abdelhalim, Seth W Ruffins, Matthew E Thornton, Laurence Basking, Brendan Grubbs, Carl Kesselman, Andrew P McMahon
Human kidney function is underpinned by approximately 1,000,000 nephrons, although the number varies substantially, and low nephron number is linked to disease. Human kidney development initiates around 4 weeks of gestation and ends around 34-37 weeks of gestation. Over this period, a reiterative inductive process establishes the nephron complement. Studies have provided insightful anatomic descriptions of human kidney development, but the limited histologic views are not readily accessible to a broad audience...
February 15, 2018: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29449221/-muddy-waters-surround-evidence-for-opt-out-system-of-organ-donation-says-surgeon
#19
Nigel Hawkes
No abstract text is available yet for this article.
February 15, 2018: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29447979/jatrophanes-as-promising-multidrug-resistance-modulators-advances-of-structure-activity-relationships
#20
Jun Li, Wen-Qiong Wang, Shuai Tang, Wei-Bin Song, Li-Jiang Xuan
The phytochemical study of Euphorbia helioscopia afforded euphornin (1) in a large amount. Alkaline hydrolysis of 1 using potassium carbonate yielded the main product monodeacetyleuphornin (2), whose structural modification at 14-OH gave rise to 21 acylated derivatives euphornoate A-U (3-23). Thus, a mini compound library of jatrophanes was established to screen for MDR modulators. Biological studies clearly demonstrated the effect of C-14 pattern modification in MDR reversal activity and several compounds with RF values over 300 fold at 20 μM (6, 16, 20, 22, 23) were thought to be promising MDR modulators...
February 12, 2018: Fitoterapia
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