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https://www.readbyqxmd.com/read/29667604/universal-doping-evolution-of-the-superconducting-gap-anisotropy-in-single-crystals-of-electron-doped-ba-fe-sub-1-x-sub-rh-sub-x-sub-sub-2-sub-as-sub-2-sub-from-london-penetration-depth-measurements
#1
Hyunsoo Kim, Makariy A Tanatar, Catalin Martin, Erick C Blomberg, Ni Ni, Sergey L Bud'ko, Paul C Canfield, Ruslan Prozorov
Doping evolution of the superconducting gap anisotropy was studied in single crystals of 4$d$-electron doped Ba(Fe$_{1-x}$Rh$_x$)$_2$As$_2$ using tunnel diode resonator measurements of the temperature variation of London penetration depth $\Delta\lambda(T)$. Single crystals with doping level representative of underdoped regime $x$ = 0.039 ($T_c=$ 15.5 K), close to optimal doping $x=$ 0.057 ($T_c=$ 24.4 K) and overdoped $x=$ 0.079 ($T_c=$ 21.5 K) and $x=$ 0.131($T_c=$ 4.9 K) were studied. Superconducting energy gap anisotropy was characterized by the exponent, $n$, by fitting the data to the power-law, $\Delta\lambda=AT^n$...
April 18, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29666505/new-positive-feedback-mechanism-between-boundary-layer-meteorology-and-secondary-aerosol-formation-during-severe-haze-events
#2
Quan Liu, Xingcan Jia, Jiannong Quan, Jiayun Li, Xia Li, Yongxue Wu, Dan Chen, Zifa Wang, Yangang Liu
Severe haze events during which particulate matter (PM) increases quickly from tens to hundreds of microgram per cubic meter in 1-2 days frequently occur in China. Although it has been known that PM is influenced by complex interplays among emissions, meteorology, and physical and chemical processes, specific mechanisms remain elusive. Here, a new positive feedback mechanism between planetary boundary layer (PBL), relative humidity (RH), and secondary PM (SPM) formation is proposed based on a comprehensive field experiment and model simulation...
April 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29665455/thermogravimetric-kinetic-modelling-of-in-situ-catalytic-pyrolytic-conversion-of-rice-husk-to-bioenergy-using-rice-hull-ash-catalyst
#3
Adrian Chun Minh Loy, Darren Kin Wai Gan, Suzana Yusup, Bridgid Lai Fui Chin, Man Kee Lam, Muhammad Shahbaz, Pornkamol Unrean, Menandro N Acda, Elisabeth Rianawati
The thermal degradation behaviour and kinetic parameter of non-catalytic and catalytic pyrolysis of rice husk (RH) using rice hull ash (RHA) as catalyst were investigated using thermogravimetric analysis at four different heating rates of 10, 20, 50 and 100 K/min. Four different iso conversional kinetic models such as Kissinger, Friedman, Kissinger-Akahira-Sunose (KAS) and Ozawa-Flynn-Wall (OFW) were applied in this study to calculate the activation energy (EA ) and pre-exponential value (A) of the system...
April 7, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29665279/rh-iii-catalyzed-direct-c8-arylation-of-quinoline-n-oxides-using-diazonaphthalen-2-1h-ones-a-practical-approach-towards-8-azabinol
#4
Bidhan Ghosh, Aniruddha Biswas, Soumen Chakraborty, Rajarshi Samanta
An efficient Rh(III)-catalyzed redox-neutral method for the direct C8- arylation of quinoline N-oxides using diazonaphthalen-2(1H)-one as coupling partner has been demonstrated. The developed method is simple, scalable and straightforward with wide range of substrate scope. The applicative potential was extended with late-stage functionalization and straightforward synthesis of 8-azaBINOL derivative. A plausible reaction pathway was proposed after carrying out preliminary control studies.
April 17, 2018: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/29665215/dominant-regions-and-drivers-of-the-variability-of-the-global-land-carbon-sink-across-timescales
#5
Xuanze Zhang, Ying-Ping Wang, Shushi Peng, Peter J Rayner, Philippe Ciais, Jeremy D Silver, Shilong Piao, Zaichun Zhu, Xingjie Lu, Xiaogu Zheng
Net biome productivity (NBP) dominates the observed large variation of atmospheric CO2 annual increase over the last five decades. However, the dominant regions controlling inter-annual to multi-decadal variability of global NBP are still controversial (semi-arid regions vs. temperate or tropical forests). By developing a theory for partitioning the variance of NBP into the contributions of net primary production (NPP) and heterotrophic respiration (Rh ) at different timescales, and using both observation-based atmospheric CO2 inversion product and the outputs of 10 process-based terrestrial ecosystem models forced by 110-year observational climate, we tried to reconcile the controversy by showing that semi-arid lands dominate the variability of global NBP at inter-annual (<10 years) and tropical forests dominate at multi-decadal scales (>30 years)...
April 17, 2018: Global Change Biology
https://www.readbyqxmd.com/read/29665209/a-very-short-uranium-iv-rhodium-i-bond-with-net-double-dative-bonding-character
#6
Stephen Liddle, Erli Lu, Ashley Wooles, Mathew Gregson, Philip Cobb
Reaction of the uranium silyl-phosphino-carbene complex [U{C(SiMe3)(PPh2)}(BIPM)(μ-Cl)Li(TMEDA)(μ-TMEDA)0.5]2 (1, BIPM = C(PPh2NSiMe3)2; TMEDA = Me2NCH2CH2NMe2) with the rhodium chloride compound [Rh(μ-Cl)(COD)]2 (COD = cyclo-octadiene) affords the unprecedented heterotrimetallic UIV-RhI2 complex [U(Cl)2{C(PPh2NSiMe3)(PPh[C6H4]NSiMe3)}{Rh(COD)}{Rh(CH(SiMe3)(PPh2)}] (2). Complex 2 exhibits one, very short, uranium-rhodium distance that is by some margin the shortest uranium-rhodium bond on record, one of the shortest absolute uranium-metal distances generally, and the shortest actinide-transition metal bond in terms of formal shortness ratio...
April 17, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29664929/identification-and-evaluation-of-a-new-entomopathogenic-fungal-strain-against-riptortus-pedestris-hemiptera-alydidae-and-its-two-egg-parasitoids
#7
Naresh Dangi, Un Taek Lim
A strain (ARP14) of the entomopathogenic fungus Beauveria bassiana (Balsamo) Vuillemin was isolated from field-collected Riptortus pedestris (Fabricius) (Hemiptera: Alydidae). The lethal median concentration of the ARP14 strain was compared with that of a commercialized strain (GHA) of the same fungus against R. pedestris and its two egg parasitoids, Ooencyrtus nezarae Ishii (Hymenoptera: Encyrtidae) and Gryon japonicum (Ashmead) (Hymenoptera: Platygastridae). Mortality and mycosis rates were evaluated after exposure to five concentrations of the fungus, i...
2018: PloS One
https://www.readbyqxmd.com/read/29664112/efficacy-of-d-red-blood-cell-transfusion-and-rituximab-therapy-in-autoimmune-hemolytic-anemia-with-anti-d-and-panreactive-autoantibodies-arising-after-hematopoietic-stem-cell-transplant
#8
Keiji Minakawa, Hitoshi Ohto, Hiroyasu Yasuda, Shunichi Saito, Kinuyo Kawabata, Kazuei Ogawa, Kenneth E Nollet, Kazuhiko Ikeda
BACKGROUND: Autoimmune hemolytic anemia (AIHA) is caused by autoantibodies to red blood cells (RBCs), which can be panreactive and/or specific to Rh/other blood group antigens. We report a severe case of AIHA after bone marrow transplantation (BMT) due to autoanti-D triggered by reactivation of Epstein-Barr virus (EBV) infection. A combined strategy of D- RBC transfusion and administration of anti-CD20 monoclonal antibody (MoAb) resolved the hemolysis. CASE REPORT: A 33-year-old male underwent allogeneic BMT from an ABO-identical and HLA-matched unrelated male donor...
April 17, 2018: Transfusion
https://www.readbyqxmd.com/read/29663592/divergent-couplings-of-anilines-and-enones-via-integration-of-c-h-activation-and-transfer-hydrogenation
#9
Xingwei Li, Xukai Zhou, Guangfan Zheng, Jintao Xia, Lingheng Kong
Ideally, in catalytic reactions the catalyst fulfills several intrinsically different duties in one-shot. This requires integration of more than one distinct transformations in a catalytic cycle. Cp*Rh(III)/Ir(III) complexes are known to play important roles in both C-H activation and transfer hydrogenation (TH). However, these two areas evolved separately. They are integrated in redox- and chemo-divergent couplings of N-pyridylanilines with enones. The Ir-catalyzed coupling with enones leads to efficient synthesis of tetrahydroquinolines via TH from iPrOH...
April 16, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29661543/lunar-and-climatic-effects-on-boar-ejaculate-traits
#10
Josué Chinchilla-Vargas, Karl Kerns, Max F Rothschild
There is evidence that phases of the moon affect wild animal behaviors including reproduction. There is, however, little evidence of moon phase effects on domestic livestock reproduction. This study investigated the effects of moon phase and climatic variables on boar ejaculate traits. Records of 4149 semen collections from boars of nine different breeds at one boar stud were used. The response variables were volume of ejaculate, concentration of sperm in the ejaculate, and number of doses obtained per ejaculate...
April 6, 2018: Animal Reproduction Science
https://www.readbyqxmd.com/read/29660853/shelf-life-extension-of-tomato-paste-through-organoleptically-acceptable-concentration-of-betel-leaf-essential-oil-under-accelerated-storage-environment
#11
Suradeep Basak
This study was attempted with two objectives: (1) to find an acceptable concentration of betel leaf essential oil (BLEO) based on sensory evaluation that can be employed in tomato paste; (2) to evaluate the effect of the acceptable concentration of BLEO in the paste during accelerated storage under 89 ± 1.2% RH at 39 ± 1 °C. Linguistic data obtained from sensory evaluation of tomato paste treated with 4 different concentrations of BLEO were analyzed using fuzzy logic approach. The organoleptically acceptable concentration was determined to be 0...
April 16, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29659922/chronology-of-the-intrapuparial-development-of-the-blowfly-chrysomya-albiceps-diptera-calliphoridae-application-in-forensic-entomology
#12
Mônica Salazar-Souza, Márcia S Couri, Valeria M Aguiar
Insects display different patterns of development, and blow flies have one of the most specialized patterns of intrapuparial development of all. In forensic entomology, pupae can be used as a tool to estimate the minimum postmortem time interval (minPMI). We analyzed the intrapuparial development of Chrysomya albiceps (Diptera: Caloricidade), whose larvae had been fed pig lungs and reared in a climate-controlled room at 28°C day/26°C night, 70 ± 10% RH, and 12 h of photophase and monitored daily. After the third-instar larvae abandoned their diet, the process of pupariation and pupation was monitored...
April 12, 2018: Journal of Medical Entomology
https://www.readbyqxmd.com/read/29659263/secondary-oxide-phosphines-to-promote-tandem-acyl-alkyl-coupling-hydrogen-transfer-to-afford-hydroxyalkyl-rhodium-complexes-theoretical-and-experimental-studies
#13
Virginia San Nacianceno, Lourdes Ibarlucea, Claudio Mendicute-Fierro, Antonio Rodríguez-Diéguez, José M Seco, Antonio J Mota, María A Garralda
Acyl(σ-norbornenyl)rhodium(III) dimer [Rh(μ-Cl)(C9 H6 NCO)(C7 H9 )L]2 (1) (C7 H9 = σ-norbornenyl; L = 4-picoline, isoquinoline) reacts with diphenylphosphine oxide (SPO) to undergo a one-pot reaction involving (i) cleavage of the chloride bridges and coordination of the phosphine, (ii) C-C bond coupling between acyl and norbornenyl in a 18e species, and (iii) ligand-assisted outer-sphere O(P)-to-O(C) hydrogen transfer, to afford mononuclear 16e species [RhCl{(C9 H6 NC(O)C7 H9 )(Ph2 PO)H}(L)] (2) containing a quinolinyl-(norbornenylhydroxyalkyl) fragment hydrogen-bonded to a κ1 - P-phosphinite ligand...
April 16, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29658155/syntheses-and-properties-of-metal-nanomaterials-with-novel-crystal-phases
#14
REVIEW
Hongfei Cheng, Nailiang Yang, Qipeng Lu, Zhicheng Zhang, Hua Zhang
In recent decades, researchers have devoted tremendous effort into the rational design and controlled synthesis of metal nanomaterials with well-defined size, morphology, composition, and structure, and great achievements have been reached. However, the crystal-phase engineering of metal nanomaterials still remains a big challenge. Recent research has revealed that the crystal phase of metal nanomaterials can significantly alter their properties, arising from the distinct atomic arrangement and modified electronic structure...
April 15, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29657543/association-of-abo-and-rh-blood-groups-with-breast-cancer
#15
Sultan Ayoub Meo, Faryal Suraya, Badar Jamil, Fwziah Al Rouq, Anusha Sultan Meo, Kamran Sattar, Mohammad Javed Ansari, Saleh A Alasiri
Objectives: The aim of this study was to determine the association of "ABO" and "Rhesus" blood groups with incidence of breast cancer. Methods: In this study, we identified 70 research documents from data based search engines including "PubMed", "ISI-Web of Knowledge", "Embase" and "Google Scholar". The research papers were selected by using the primary key-terms including "ABO blood type", "Rhesus" blood type and "breast cancer"...
November 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/29656685/maternal-hepatitis-c-hcv-infection-and-anti-d-immunoglobulin-therapy-study-testing-antibodies-rna-and-genotype-of-hcv-in-baghdad
#16
Waqar Al-Kubaisy, Suzanna Daud, Mustafa Waseem Al-Kubaisi, Omar Waseem Al-Kubaisi, Nik Nairan Abdullah
INTRODUCTION: Hepatitis C virus (HCV) infection is a serious health problem. It is a major contributor to end-stage liver disease. Worldwide, 1-8% of all pregnant women were infected. Women with viral hepatitis may be at an increased risk of pregnancy complications. There are several obstetrics intervention act as risk factors which are specific to women pertaining the HCV infection; anti-D immunoglobulin (Ig) therapy may be one of them. Our objectives were to estimate the prevalence of HCV antibodies (anti-HCV), RNA, and genotype distribution among women with anti-D Ig therapy...
April 15, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29656499/matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-analysis-of-36-blood-group-alleles-among-396-thai-samples-reveals-region-specific-variants
#17
Philaiphon Jongruamklang, Christoph Gassner, Stefan Meyer, Aksarakorn Kummasook, Marion Darlison, Chayanun Boonlum, Surin Chanta, Beat M Frey, Martin L Olsson, Jill R Storry
BACKGROUND: Blood group phenotype variation has been attributed to potential resistance to pathogen invasion. Variation was mapped in blood donors from Lampang (northern region) and Saraburi (central region), Thailand, where malaria is endemic. The previously unknown blood group allele profiles were characterized and the data were correlated with phenotypes. The high incidence of the Vel-negative phenotype previously reported in Thais was investigated. STUDY DESIGN AND METHODS: DNA from 396 blood donors was analyzed by matrix-assisted laser desorption/ionization-time-of-flight mass spectrometry...
April 15, 2018: Transfusion
https://www.readbyqxmd.com/read/29655638/attenuation-of-the-niemann-pick-type-c2-disease-phenotype-by-intracisternal-administration-of-an-aavrh-10-vector-expressing-npc2
#18
Sandra Markmann, Jasmine Reid, Jonathan B Rosenberg, Bishnu P De, Stephen M Kaminsky, Ronald G Crystal, Dolan Sondhi
Niemann-Pick type C2 (NPC2) disease is a rare, neurodegenerative disorder caused by mutations in the NPC2 gene, leading to lysosomal accumulation of unesterified cholesterol and other lipids. It is characterized by hepatosplenomegaly, liver dysfunction and severe neurological manifestations, resulting in early death. There is no effective therapy for NPC2 disease. Here, we evaluated the effectiveness of an adeno-associated virus (AAV), serotype rh.10 gene transfer vector expressing the mouse Npc2 gene (AAVrh...
April 12, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29653436/a-chloroplast-targeted-cabbage-dead-box-rna-helicase-brrh22-confers-abiotic-stress-tolerance-to-transgenic-arabidopsis-plants-by-affecting-translation-of-chloroplast-transcripts
#19
Ghazala Nawaz, Kwanuk Lee, Su Jung Park, Yeon-Ok Kim, Hunseung Kang
Although the roles of many DEAD-box RNA helicases (RHs) have been determined in the nucleus as well as in cytoplasm during stress responses, the importance of chloroplast-targeted DEAD-box RHs in stress response remains largely unknown. In this study, we determined the function of BrRH22, a chloroplast-targeted DEAD-box RH in cabbage (Brassica rapa), in abiotic stress responses. The expression of BrRH22 was markedly increased by drought, heat, salt, or cold stress and by ABA treatment, but was largely decreased by UV stress...
April 7, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29653224/tumor-uptake-of-pegylated-diabodies-balancing-systemic-clearance-and-vascular-transport
#20
Qing Li, Jason B White, Norman C Peterson, Keith W Rickert, Christopher O Lloyd, Kevin L Allen, Kim Rosenthal, Xizhe Gao, Herren Wu, William F Dall'Acqua, M Jack Borrok, Ping Tsui
The accumulation, dissemination and clearance of monoclonal antibody-based therapeutics or imaging reagents targeting tumor associated antigens is governed by several factors including affinity, size, charge, and valency. Tumor targeting antibody fragments have distinct advantages over intact monoclonal antibodies such as enhanced penetration within the tumor and rapid accumulation but are subject to rapid clearance. Polyethylene glycol (PEG)-modified antibody fragments can provide a way to balance tumor penetration and accumulation with improved serum persistence...
April 10, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
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