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https://www.readbyqxmd.com/read/29222874/a-homochiral-porous-organic-cage-with-large-cavity-and-pore-windows-for-the-efficient-gc-separation-of-enantiomers-and-positional-isomers
#1
Jun-Hui Zhang, Sheng-Ming Xie, Bang-Jin Wang, Pin-Gang He, Li-Ming Yuan
Porous organic cages composed of discrete cage molecules have attracted considerable recent attention as gas adsorption materials and separation media. In this study, we report a homochiral porous organic cage CC5 with a large cavity and pore windows as a novel stationary phase for high-resolution gas chromatographic separations. The capillary column was prepared by a static coating method. A large number of racemic compounds have been resolved on the coated capillary column, including derivatized amino acids, alcohols, alcohol amines, esters, ethers, ketones, and epoxides...
December 9, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29222425/polymorphisms-in-jmjd1c-are-associated-with-pubertal-onset-in-boys-and-reproductive-function-in-men
#2
Nina Mørup, Alexander Siegfried Busch, Anne Kirstine Bang, Loa Nordkap, John E Nielsen, Ewa Rajpert-De Meyts, Anders Juul, Niels Jørgensen, Kristian Almstrup
JMJD1C, a member of the Jumonji-domain containing histone demethylases protein family, has been associated with levels of sex-hormone binding globulin (SHBG) and testosterone in men, and knock-out rodent models show age-dependent infertility. The objective of this study was to investigate whether single nucleotide polymorphisms (SNPs) nearby JMJD1C are associated with pubertal onset in boys and with male reproduction. 671 peri-pubertal boys, 1,027 young men, 315 fertile men, and 252 infertile men were genotyped for two JMJD1C SNPs (rs7910927 and rs10822184)...
December 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29220618/psychological-comfort-of-paramedics-with-field-death-pronouncement-a-national-asian-study-to-prepare-paramedics-for-field-termination-of-resuscitation
#3
Desmond R H Mao, Marcus E H Ong, Chungli Bang, Mohamed D T Salim, Yih Yng Ng, Desiree A Lie
OBJECTIVES: Paramedics' decision to terminate field resuscitation without a physician present may depend on personal and external factors. This study investigates factors associated with paramedic psychological comfort with termination of resuscitation (TOR) to inform future training. METHODS: We administered an anonymous survey to all practicing paramedics in a large urban Asian Emergency Medical Services system where formal TOR training had not yet been conducted and field TOR was not routinely applied...
December 8, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/29218852/psychotic-conversion-of-individuals-at-ultra-high-risk-for-psychosis-the-potential-roles-of-schizotypy-and-basic-symptoms
#4
Minji Bang, Jin Young Park, Kyung Ran Kim, Su Young Lee, Yun Young Song, Jee In Kang, Eun Lee, Suk Kyoon An
AIM: To improve strategies for the early identification of individuals at a heightened risk for the development of psychosis, we investigated the relationships and interactions between 3 psychosis-proneness dimensions for the development of schizophrenia spectrum psychosis: schizotypy, basic symptoms and the ultra-high risk (UHR) criteria. METHODS: Seventy-seven UHR individuals and 79 healthy controls were assessed for schizotypy and basic symptoms using self-report questionnaires at baseline...
December 8, 2017: Early Intervention in Psychiatry
https://www.readbyqxmd.com/read/29216642/taurine-protects-mouse-spermatocytes-from-ionizing-radiation-induced-damage-through-activation-of-nrf2-ho-1-signaling
#5
Wenjun Yang, Jinfeng Huang, Bang Xiao, Yan Liu, Yiqing Zhu, Fang Wang, Shuhan Sun
BACKGROUND/AIMS: The increasing prevalence of ionizing radiation exposure has inevitably raised public concern over the potential detrimental effects of ionizing radiation on male reproductive system function. The detection of drug candidates to prevent reproductive system from damage caused by ionizing radiation is urgent. We aimed to investigate the protective role of taurine on the injury of mouse spermatocyte-derived cells (GC-2) subjected to ionizing radiation. METHODS: mouse spermatocytes (GC-2 cells) were exposed to ionizing radiation with or without treatment of Taurine...
December 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29214492/an-ethanol-extract-of-lysimachia-mauritiana-exhibits-inhibitory-activity-against-hepatitis-e-virus-genotype-3-replication
#6
Seong Eun Jin, Jung-Eun Kim, Sun Yeou Kim, Bang Ju Park, Yoon-Jae Song
Hepatitis E virus (HEV) is an etiological agent of acute hepatitis E, a self-limiting disease prevalent in developing countries. HEV can cause fulminant hepatic failure with high mortality rates in pregnant women, and genotype 3 is reported to trigger chronic hepatitis in immunocompromised individuals worldwide. Screening of plant extracts for compounds with potential anti-HEV effects led to the identification of a 70% ethanol extract of Lysimachia mauritiana (LME) that interferes with replication of the swine HEV genotype 3 replicon...
December 2017: Journal of Microbiology / the Microbiological Society of Korea
https://www.readbyqxmd.com/read/29214022/advancing-our-understanding-of-the-neurobiology-of-anorexia-nervosa-translation-into-treatment
#7
Lasse Bang, Janet Treasure, Øyvind Rø, Andreas Joos
A wealth of studies has investigated the neurobiological underpinnings of anorexia nervosa. In our letter to the editor, we point to a number of ways in which the advances in our understanding of the neurobiology of anorexia nervosa - focusing on neuroimaging studies of brain structure and function - can be translated into treatment. We point to how such advances can: inform psychological treatment, be implemented in psychoeducation, point to novel therapeutic targets, lead to the identification of biomarkers, and expand our vocabulary for how we think and talk about anorexia nervosa...
2017: Journal of Eating Disorders
https://www.readbyqxmd.com/read/29213117/stimulus-expectation-alters-decision-criterion-but-not-sensory-signal-in-perceptual-decision-making
#8
Ji Won Bang, Dobromir Rahnev
Humans are more likely to report perceiving an expected than an unexpected stimulus. Influential theories have proposed that this bias arises from expectation altering the sensory signal. However, the effects of expectation can also be due to decisional criterion shifts independent of any sensory changes. In order to adjudicate between these two possibilities, we compared the behavioral effects of pre-stimulus cues (pre cues; can influence both sensory signal and decision processes) and post-stimulus cues (post cues; can only influence decision processes)...
December 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212819/transcriptional-and-translational-dynamics-during-maternal-to-zygotic-transition-in-early-chicken-development
#9
Young Sun Hwang, Minseok Seo, Sohyun Bang, Heebal Kim, Jae Yong Han
Maternal-to-zygotic transition (MZT) is the critical process for the establishment of embryonic identity across vertebrates. During this period, the massive transcriptional activation, called zygotic genome activation (ZGA), is mediated by maternally stored factors, and maternal mRNA clearance by conserved zygotic microRNAs (miRNAs) occurs; however, the important transition in avian species was identified by morphologic perspectives only. In this study, we performed transcriptome analysis to examine the molecular transitions of intrauterine development in chickens...
December 6, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29212081/in-patients-with-chronic-kidney-disease-short-term-blood-pressure-variability-is-associated-with-the-presence-and-severity-of-sleep-disorders
#10
Martino F Pengo, Donatella Ioratti, Valeria Bisogni, Verdiana Ravarotto, Barbara Rossi, Luciana Bonfante, Francesca Simioni, Federico Nalesso, Giuseppe Maiolino, Lorenzo A Calò
BACKGROUND/AIMS: In chronic kidney disease (CKD) patients blood pressure variability (BPV) is associated with poor outcome. Sleep disturbances alter BP profiles in hypertensives but their influence on BPV in CKD patients is unknown. We screened a cohort of CKD/ESRD patients to investigate whether sleep quality impacts on BPV. METHODS: Consecutive CKD patients' sleep quality was assessed using validated questionnaires (Epworth Sleepiness Scale-ESS); International Restless legs scale-IRLS; Functional Outcomes of Sleep Questionnaire-FOSQ: Insomnia Severity Index-ISI; STOP-Bang)...
November 28, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29211721/galaxy-growth-in-a-massive-halo-in-the-first-billion-years-of-cosmic-history
#11
D P Marrone, J S Spilker, C C Hayward, J D Vieira, M Aravena, M L N Ashby, M B Bayliss, M Béthermin, M Brodwin, M S Bothwell, J E Carlstrom, S C Chapman, Chian-Chou Chen, T M Crawford, D J M Cunningham, C De Breuck, C D Fassnacht, A H Gonzalez, T R Greve, Y D Hezaveh, K Lacaille, K C Litke, S Lower, J Ma, M Malkan, T B Miller, W R Morningstar, E J Murphy, D Narayanan, K A Phadke, K M Rotermund, J Sreevani, B Stalder, A A Stark, M L Strandet, M Tang, A Weiß
According to the current understanding of cosmic structure formation, the precursors of the most massive structures in the Universe began to form shortly after the Big Bang, in regions corresponding to the largest fluctuations in the cosmic density field. Observing these structures during their period of active growth and assembly-the first few hundred million years of the Universe-is challenging because it requires surveys that are sensitive enough to detect the distant galaxies that act as signposts for these structures and wide enough to capture the rarest objects...
December 6, 2017: Nature
https://www.readbyqxmd.com/read/29211481/asymmetric-synthesis-of-rupestonic-acid-and-pechueloic-acid
#12
Pan Han, Zhu Zhou, Chang-Mei Si, Xian-Yi Sha, Zheng-Yi Gu, Bang-Guo Wei, Guo-Qiang Lin
In this report, the originally proposed rupestonic acid (5) and pechueloic acid (3) were efficiently synthesized. The chiral lactone 13, recycled from the degradation of saponin glycosides, was utilized to prepare the key chiral fragment 11. During the exploration of this convergent assembly strategy, the ring-closing metathesis (RCM), SmI2-prompted intermolecular addition, and [2,3]-Wittig rearrangement proved to be effective transformations for the synthesis of subunits.
December 6, 2017: Organic Letters
https://www.readbyqxmd.com/read/29211093/effect-of-phase-coarsening-under-melt-annealing-on-the-electrical-performance-of-polymer-composites-with-a-double-percolation-structure
#13
Xiao-Rong Sun, Tao Gong, Jun-Hong Pu, Rui-Ying Bao, Bang-Hu Xie, Ming-Bo Yang, Wei Yang
The effect of phase coarsening on the evolution of the carbon black (CB) nanoparticle network under quiescent melt annealing and the electrical performance of polypropylene/polystyrene/carbon black (PP/PS/CB) composites with a double percolation structure was investigated. The results showed that when the CB content is low, the coarsening process of PP/PS/CB blends can be divided into two stages. In the first stage, the coarsening rate is fast before the formation of the CB nanoparticle network, and after annealing for a certain time, the evolution of the co-continuous morphology can drive the CB nanoparticles to self-assemble into a complete nanoparticle network...
December 6, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29210570/single-step-lret-aptasensor-for-rapid-mycotoxin-detection
#14
Eun-Jung Jo, Ju-Young Byun, Hyoyoung Mun, Doyeon Bang, Jun Ho Son, Jae Young Lee, Luke P Lee, Min-Gon Kim
Contamination of foods by mycotoxins is a common yet serious problem. Owing to the increase in consumption of fresh produce, consumers have become aware of food safety issues caused by mycotoxins. Therefore, rapid and sensitive mycotoxin detection is in great demand in fields such as food safety and public health. Here, we report a single-step luminescence resonance energy transfer (LRET) aptasensor for mycotoxin detection. In order to accomplish the single-step sensor, our sensor was constructed by linking a quencher labeled aptamer through a linker to the surface of upconversion nanoparticles (UCNPs)...
December 6, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29209274/optimizing-patient-management-and-adherence-for-children-receiving-growth-hormone
#15
Carlo L Acerini, Katarzyna Wac, Peter Bang, Dagmar Lehwalder
Poor adherence with growth hormone (GH) therapy has been associated with worse clinical outcomes, which in children relates specifically to their linear growth and loss of quality of life. The "360° GH in Europe" meeting, held in Lisbon, Portugal, in June 2016 and funded by Merck KGaA (Germany), examined many aspects of GH diseases. The three sessions, entitled "Short Stature Diagnosis and Referral," "Optimizing Patient Management," and "Managing Transition," each benefited from three guest speaker presentations, followed by an open discussion and are reported as a manuscript, authored by the speakers...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29207392/distinct-roles-of-endothelial-dysfunction-and-inflammation-in-intracranial-atherosclerotic-stroke
#16
Jong-Won Chung, Mi Jeong Oh, Yeon Hee Cho, Gyeong Joon Moon, Gyeong-Moon Kim, Chin-Sang Chung, Kwang Ho Lee, Oh Young Bang
BACKGROUND/AIMS: The aim of the study was to evaluate the differential roles of endothelial dysfunction and inflammation in intracranial atherosclerotic stroke (ICAS). METHODS: We prospectively recruited 262 patients with acute cerebral infarcts caused by ICAS and 75 individuals with no history of stroke as controls. Markers of endothelial dysfunction (asymmetric dimethylarginine, ADMA) and inflammation (lipoprotein-associated phospholipase A2, Lp-PLA2) were measured...
2017: European Neurology
https://www.readbyqxmd.com/read/29206803/clinical-indicators-of-the-need-for-telemetry-postoperative-monitoring-in-patients-with-suspected-obstructive-sleep-apnea-undergoing-total-knee-arthroplasty
#17
Kethy M Jules-Elysée, Natasha A Desai, Yan Ma, Wei Zhang, Thuyvan H Luu, Stavros G Memtsoudis, Gregory A Liguori
BACKGROUND AND OBJECTIVES: Obstructive sleep apnea is associated with increased complication rates postoperatively. Current literature does not provide adequate guidance on management of these patients. This study used the STOP-Bang questionnaire to diagnose patients with possible obstructive sleep apnea (score ≥3). We hypothesized that a STOP-Bang score of 3 or greater would significantly correlate with the number of oxygen desaturation episodes during the first 48 hours after total knee arthroscopy...
December 4, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29205492/9-month-results-of-polymer-free-sirolimus-eluting-stents-in-young-patients-compared-to-a-septuagenarian-and-octogenarian-all-comer-population
#18
Behrouz Kherad, Matthias Waliszewski, Matthias Leschke, Muhammad Ali Kader, Liew Houng Bang, Fernando Lozano Ruiz-Poveda, Burkert Pieske, Florian Krackhardt
OBJECTIVES: To evaluate the 9-month safety and efficacy of polymer-free sirolimus eluting drug eluting stents in septuagenarians and octogenarians. METHODS: An all-comer, worldwide single armed trial (ClinicalTrials.gov Identifier NCT02629575) was conducted to demonstrate the safety and efficacy of an ultra-thin strut, polymer-free sirolimus eluting stent (PF-SES). The primary endpoint was the 9-month target revascularization rate (TLR). Secondary endpoints included the rates of major adverse cardiac events (MACE), stent thrombosis (ST) and bleeding (BARC) in septuagenarians (≥70 years, <80 years), and in octogenarians (≥80 years) to be compared to the younger patient group (<70 years)...
December 4, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/29205407/effects-of-the-acute-and-chronic-ethanol-intoxication-on-acetate-metabolism-and-kinetics-in-the-rat-brain
#19
Ya-Ju Hsieh, Liang-Chih Wu, Chien-Chih Ke, Chi-Wei Chang, Jung-Wen Kuo, Wen-Sheng Huang, Fu-Du Chen, Bang-Hung Yang, Hsiao-Ting Tai, Sharon Chia-Ju Chen, Ren-Shyan Liu
BACKGROUND: Ethanol intoxication inhibits glucose transport and decreases overall brain glucose metabolism; however, humans with long-term ethanol consumption were found to have a significant increase in [1-11 C]-acetate uptake in the brain. The relationship between the cause and effect of [1-11 C]-acetate kinetics and acute/chronic ethanol intoxication, however, are still unclear. METHODS: [1-11 C]-acetate positron emission tomography (PET) with dynamic measurement of K1 and k2 rate constants was used to investigate the changes in acetate metabolism in different brain regions of rats with acute or chronic ethanol intoxication...
December 5, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29205094/incidence-of-lingual-tonsil-hypertrophy-in-adults-with-and-without-obstructive-sleep-apnea
#20
Jessica A Tang, Michael Friedman
Objectives To characterize the incidence of lingual tonsil hypertrophy (LTH) in adults with and without obstructive sleep apnea (OSA) and to determine any potential correlation between them. Study Design Retrospective chart review. Setting Single-center database, September 2016 to April 2017. Subject and Methods Lingual tonsil grade (LTG) determined by awake endoscopy was collected as well as other physical examination findings, such as Friedman tongue position, palatine tonsil size, and neck circumference...
November 1, 2017: Otolaryngology—Head and Neck Surgery
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