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https://www.readbyqxmd.com/read/28298108/analytic-energy-gradient-of-projected-hartree-fock-within-projection-after-variation
#1
Motoyuki Uejima, Seiichiro Ten-No
We develop a geometrical optimization technique for the projection-after-variation (PAV) scheme of the recently refined projected Hartree-Fock (PHF) as a fast alternative to the variation-after-projection (VAP) approach for optimizing the structures of molecules/clusters in symmetry-adapted electronic states at the mean-field computational cost. PHF handles the nondynamic correlation effects by restoring the symmetry of a broken-symmetry single reference wavefunction and moreover enables a black-box treatment of orbital selections...
March 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28273795/pavs-a-new-privacy-preserving-data-aggregation-scheme-for-vehicle-sensing-systems
#2
Chang Xu, Rongxing Lu, Huaxiong Wang, Liehuang Zhu, Cheng Huang
Air pollution has become one of the most pressing environmental issues in recent years. According to a World Health Organization (WHO) report, air pollution has led to the deaths of millions of people worldwide. Accordingly, expensive and complex air-monitoring instruments have been exploited to measure air pollution. Comparatively, a vehicle sensing system (VSS), as it can be effectively used for many purposes and can bring huge financial benefits in reducing high maintenance and repair costs, has received considerable attention...
March 3, 2017: Sensors
https://www.readbyqxmd.com/read/28270234/genetic-and-epigenetic-stability-of-oligodendrogliomas-at-recurrence
#3
Koki Aihara, Akitake Mukasa, Genta Nagae, Masashi Nomura, Shogo Yamamoto, Hiroki Ueda, Kenji Tatsuno, Junji Shibahara, Miwako Takahashi, Toshimitsu Momose, Shota Tanaka, Shunsaku Takayanagi, Shunsuke Yanagisawa, Takahide Nejo, Satoshi Takahashi, Mayu Omata, Ryohei Otani, Kuniaki Saito, Yoshitaka Narita, Motoo Nagane, Ryo Nishikawa, Keisuke Ueki, Hiroyuki Aburatani, Nobuhito Saito
Among diffuse gliomas, oligodendrogliomas show relatively better prognosis, respond well to radiotherapy and chemotherapy, and seldom progress to very aggressive tumors. To elucidate the genetic and epigenetic background for such behavior and tumor evolution during tumor relapse, we comparatively analyzed 12 pairs of primary and recurrent oligodendrogliomas with 1p/19q-codeletion. Initial treatment for these patients was mostly chemotherapy alone. Temozolomide was used for 3, and procarbazine, nimustine and vincristine (PAV chemotherapy) were used for 7 patients...
March 7, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28264170/a-pilot-study-validity-and-reliability-of-the-csep-path-pasb-q-and-a-new-leisure-time-physical-activity-questionnaire-to-assess-physical-activity-and-sedentary-behaviors
#4
Jonathon Richard Fowles, Myles William O'Brien, William Robert Wojcik, Lisette d'Entremont, Christopher A Shields
The purpose of this study was to evaluate the accuracy of two newly developed PA questionnaires: the Canadian Society for Exercise Physiology (CSEP) Physical Activity and Sedentary Behavior Questionnaire (PASB-Q) and a newly modified Leisure Time Physical Activity Questionnaire (mLTPA-Q). These questionnaires were compared to objective measurements of physical activity and fitness (accelerometry and physiological assessments) in 35 adults, before and after a week of daily living activity. Objectively measured moderate-to-vigorous intensity aerobic physical activity (MVPA) was moderately correlated with the PASB-Q's physical activity vital sign (PAVS) (r=0...
March 6, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28238022/mapping-of-common-bunt-resistance-gene-bt9-in-wheat
#5
Philipp Matthias Steffan, Anna Maria Torp, Anders Borgen, Gunter Backes, Søren K Rasmussen
The Bt9 resistance locus was mapped and shown to be distinct from the Bt10 locus. New markers linked to Bt9 have been identified and may be used to breed for resistance towards the seed-borne disease. Increasing organic wheat production in Denmark, and in other wheat-producing areas, in conjunction with legal requirements for organic seed production, may potentially lead to a rise in common bunt occurrence. As systemic pesticides are not used in organic farming, organic wheat production systems may benefit from genetic resistances...
February 25, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28214914/the-impact-of-bitter-taste-receptor-genetics-on-culturable-bacteria-in-chronic-rhinosinusitis
#6
D I Rom, J M Christensen, R Alvarado, R Sacks, R J Harvey
BACKGROUND: Extra-oral bitter taste receptors have been associated with innate bacterial defence mechanisms. Genetic variation in T2R38 functionality has been shown to be associated with susceptibility to upper respiratory tract infections and chronic rhinosinusitis (CRS). We sought to independently assess the influence of bitter taste receptor genotype on the presence of culturable bacteria in the sinuses. METHODOLOGY: A cross-sectional analysis of patients with CRS undergoing surgery was performed...
March 1, 2017: Rhinology
https://www.readbyqxmd.com/read/28213095/cytotoxicity-of-gold-nanoparticles-with-different-structures-and-surface-anchored-chiral-polymers
#7
Jun Deng, Mengyun Yao, Changyou Gao
Nanoparticles (NPs) can have profound effects on cell biology. However, the potential adverse effects of gold nanoparticles (AuNPs) with different surface chirality and structures have not been elucidated. In this study, monolayers of poly(acryloyl-l(d)-valine (l(d)-PAV) chiral molecules were anchored on the surfaces of gold nanocubes (AuNCs) and nanooctahedras (AuNOs), respectively. The l-PAV-AuNCs and d-PAV-AuNCs, or the l-PAV-AuNOs and d-PAV-AuNOs, had identical physicochemical properties in terms of size, morphology and ligand density except of the reverse molecular chirality on the particle surfaces, respectively...
February 15, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28211169/a-first-in-human-study-of-ds-1040-an-inhibitor-of-the-activated-form-of-thrombin-activatable-fibrinolysis-inhibitor-in-healthy-subjects
#8
J Zhou, J Kochan, O Yin, V Warren, C Zamora, G Atiee, J Pav, Y Orihashi, V Vashi, V Dishy
Essentials DS-1040 inhibits the activated form of thrombin-activatable fibrinolysis inhibitor (TAFIa). Infusion of DS-1040 was safe and well tolerated in healthy young and elderly subjects. DS-1040 substantially decreased TAFIa activity but had no impact on bleeding time. DS-1040 may provide an option of safer thrombolytic therapy. SUMMARY: Background Current treatments for acute ischemic stroke and venous thromboembolism, such as recombinant tissue-type plasminogen activator and thrombectomy, are limited by a narrow time window and the risk of bleeding...
February 17, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28196936/influences-of-duration-of-inspiratory-effort-respiratory-mechanics-and-ventilator-type-on-asynchrony-with-pressure-support-and-proportional-assist-ventilation
#9
Renata S Vasconcelos, Raquel P Sales, Luíz H de P Melo, Liégina S Marinho, Vasco Pd Bastos, Andréa da Nc Nogueira, Juliana C Ferreira, Marcelo A Holanda
BACKGROUND: Pressure support ventilation (PSV) is often associated with patient-ventilator asynchrony. Proportional assist ventilation (PAV) offers inspiratory assistance proportional to patient effort, minimizing patient-ventilator asynchrony. The objective of this study was to evaluate the influence of respiratory mechanics and patient effort on patient-ventilator asynchrony during PSV and PAV plus (PAV+). METHODS: We used a mechanical lung simulator and studied 3 respiratory mechanics profiles (normal, obstructive, and restrictive), with variations in the duration of inspiratory effort: 0...
February 14, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28164012/effect-of-serial-infusions-of-reconstituted-high-density-lipoprotein-cer-001-on-coronary-atherosclerosis-rationale-and-design-of-the-carat-study
#10
Jordan Andrews, Alex Janssan, Tracy Nguyen, Anthony D Pisaniello, Daniel J Scherer, John J P Kastelein, Bela Merkely, Steven E Nissen, Kausik Ray, Gregory G Schwartz, Stephen G Worthley, Connie Keyserling, Jean-Louis Dasseux, Julie Butters, Jacinta Girardi, Rosemary Miller, Stephen J Nicholls
BACKGROUND: High-density lipoprotein (HDL) is believed to have atheroprotective properties, but an effective HDL-based therapy remains elusive. Early studies have suggested that infusion of reconstituted HDL promotes reverse cholesterol transport and vascular reactivity. The CER-001 Atherosclerosis Regression Acute Coronary Syndrome Trial (CARAT) is investigating the impact of infusing an engineered pre-beta HDL mimetic containing sphingomyelin (SM) and dipalmitoyl phosphatidlyglycerol (CER-001) on coronary atheroma volume in patients with a recent acute coronary syndrome (ACS)...
February 2017: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/28155330/underutilization-of-preventive-asthma-visits-among-urban-children-with-persistent-asthma
#11
Anisha Gundewar, Rebecca David, Sean M Frey, Maria Fagnano, Jill S Halterman
National guidelines recommend that children with persistent asthma have at least 2 preventive asthma visits (PAVs) per year. We sought to determine the percent of urban children with persistent asthma who had a PAV in the past year, and to identify differences in demographics, health-related variables, and management associated with PAVs. Using data from 530 children (3-10 years) participating in a school-based asthma trial, we found that only 25% of children had at least 1 PAV, with only 5% receiving ≥2 visits...
January 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28149025/comparison-of-patient-ventilator-asynchrony-during-pressure-support-ventilation-and-proportional-assist-ventilation-modes-in-surgical-intensive-care-unit-a-randomized-crossover-study
#12
Parshotam Lal Gautam, Gaganjot Kaur, Sunil Katyal, Ruchi Gupta, Preetveen Sandhu, Nikhil Gautam
BACKGROUND: The patient-ventilator asynchrony is almost observed in all modes of ventilation, and this asynchrony affects lung mechanics adversely resulting in deleterious outcome. Innovations and advances in ventilator technology have been trying to overcome this problem by designing newer modes of ventilation. Pressure support ventilation (PSV) is a commonly used flow-cycled mode where a constant pressure is delivered by ventilator. Proportional assist ventilation (PAV) is a new dynamic inspiratory pressure assistance and is supposed to be better than PSV for synchrony and tolerance, but reports are still controversial...
December 2016: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28041559/the-influence-of-phytochemical-composition-and-resulting-sensory-attributes-on-preference-for-salad-rocket-eruca-sativa-accessions-by-consumers-of-varying-tas2r38-diplotype
#13
Luke Bell, Lisa Methven, Carol Wagstaff
Seven accessions of Eruca sativa ("salad rocket") were subjected to a randomised consumer assessment. Liking of appearance and taste attributes were analysed, as well as perceptions of bitterness, hotness, pepperiness and sweetness. Consumers were genotyped for TAS2R38 status to determine if liking is influenced by perception of bitter compounds such as glucosinolates (GSLs) and isothiocyanates (ITCs). Responses were combined with previously published data relating to phytochemical content and sensory data in Principal Component Analysis to determine compounds influencing liking/perceptions...
May 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/27995239/tuning-the-hybridization-properties-of-modified-oligonucleotides-from-flexible-to-conformationally-constrained-phosphonate-internucleotide-linkages
#14
Ondřej Páv, Ivan Barvík, Radek Liboska, Magdalena Petrová, Ondřej Šimák, Šárka Rosenbergová, Pavel Novák, Miloš Buděšínský, Ivan Rosenberg
The concept of conformational restriction leading to the preorganization of modified strands has proven to be successful and has afforded nucleic acid analogues with many interesting properties suitable for various biochemical applications. We utilized this concept to prepare a set of constrained oligonucleotides derived from 1,4-dioxane and 1,3-dioxolane-locked nucleoside phosphonates and evaluated their hybridization affinities towards their complementary RNA strands. With an increase of ΔTm per modification up to +5...
January 18, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27940610/rpan-rice-pan-genome-browser-for-%C3%A2-3000-rice-genomes
#15
Chen Sun, Zhiqiang Hu, Tianqing Zheng, Kuangchen Lu, Yue Zhao, Wensheng Wang, Jianxin Shi, Chunchao Wang, Jinyuan Lu, Dabing Zhang, Zhikang Li, Chaochun Wei
A pan-genome is the union of the gene sets of all the individuals of a clade or a species and it provides a new dimension of genome complexity with the presence/absence variations (PAVs) of genes among these genomes. With the progress of sequencing technologies, pan-genome study is becoming affordable for eukaryotes with large-sized genomes. The Asian cultivated rice, Oryza sativa L., is one of the major food sources for the world and a model organism in plant biology. Recently, the 3000 Rice Genome Project (3K RGP) sequenced more than 3000 rice genomes with a mean sequencing depth of 14...
January 25, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/27935538/the-correlation-of-tas2r38-gene-variants-with-higher-risk-for-chronic-rhinosinusitis-in-polish-patients
#16
Karolina Dżaman, Mariola Zagor, Elżbieta Sarnowska, Antoni Krzeski, Ireneusz Kantor
BACKGROUND: Bitter taste receptors (T2Rs), especially T2R38s appear as innovative regulators of innate immunity in the respiratory system. The single nucleotide polymorphisms (SNPs) in TAS2R38 gene may contribute to individual differences in susceptibility to respiratory infections especially chronic rhinosinusitis (CRS). TAS2R38 genotypes distribution varies by geographic region, race and ethnicity. The aim of the preliminary study was the identification of SNPs in TAS2R38 encoding genes in Polish patients with CRS and finding potential correlation with CRS phenotypes...
October 31, 2016: Otolaryngologia Polska. the Polish Otolaryngology
https://www.readbyqxmd.com/read/27919638/influence-of-ezetimibe-in-addition-to-high-dose-atorvastatin-therapy-on-plaque-composition-in-patients-with-st-segment-elevation-myocardial-infarction-assessed-by-serial-intravascular-ultrasound-with-imap-the-octivus-trial
#17
Mikkel Hougaard, Henrik Steen Hansen, Per Thayssen, Lisbeth Antonsen, Anders Junker, Karsten Veien, Lisette Okkels Jensen
BACKGROUND: The aim of this study was to examine the influence of ezetimibe in addition to atorvastatin on plaque composition in patients with first-time ST-segment Elevation Myocardial Infarction treated with primary percutaneous intervention. METHODS: Eighty-seven patients were randomized (1:1) to ezetimibe 10mg or placebo in addition to Atorvastatin 80mg. Intravascular ultrasound with iMap was performed at baseline and after 12months in a non-infarct-related artery...
March 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/27906039/peering-below-the-diffraction-limit-robust-and-specific-sorting-of-viruses-with-flow-cytometry
#18
Shea T Lance, David J Sukovich, Kenneth M Stedman, Adam R Abate
BACKGROUND: Viruses are incredibly diverse organisms and impact all forms of life on Earth; however, individual virions are challenging to study due to their small size and mass, precluding almost all direct imaging or molecular analysis. Moreover, like microbes, the overwhelming majority of viruses cannot be cultured, impeding isolation, replication, and study of interesting new species. Here, we introduce PCR-activated virus sorting, a method to isolate specific viruses from a heterogeneous population...
December 1, 2016: Virology Journal
https://www.readbyqxmd.com/read/27898833/a-cluster-of-nucleotide-binding-site-leucine-rich-repeat-genes-resides-in-a-barley-powdery-mildew-resistance-quantitative-trait-loci-on-7hl
#19
Carlos P Cantalapiedra, Bruno Contreras-Moreira, Cristina Silvar, Dragan Perovic, Frank Ordon, María Pilar Gracia, Ernesto Igartua, Ana M Casas
Powdery mildew causes severe yield losses in barley production worldwide. Although many resistance genes have been described, only a few have already been cloned. A strong QTL (quantitative trait locus) conferring resistance to a wide array of powdery mildew isolates was identified in a Spanish barley landrace on the long arm of chromosome 7H. Previous studies narrowed down the QTL position, but were unable to identify candidate genes or physically locate the resistance. In this study, the exome of three recombinant lines from a high-resolution mapping population was sequenced and analyzed, narrowing the position of the resistance down to a single physical contig...
July 2016: Plant Genome
https://www.readbyqxmd.com/read/27895504/deferred-radiotherapy-and-upfront-procarbazine-acnu-vincristine-administration-for-1p19q-codeleted-oligodendroglial-tumors-are-associated-with-favorable-outcome-without-compromising-patient-performance-regardless-of-who-grade
#20
Nobuhiro Hata, Koji Yoshimoto, Ryusuke Hatae, Daisuke Kuga, Yojiro Akagi, Satoshi O Suzuki, Toru Iwaki, Tadahisa Shono, Masahiro Mizoguchi, Koji Iihara
Recently updated phase III trials revealed the favorable effect of add-on procarbazine-lomustine-vincristine chemotherapy (CT) to radiotherapy (RT) in treating anaplastic oligodendrogliomas with 1p19q codeletion (codel). However, the underlying rationality of deferring RT and upfront CT administration for these tumors is yet to be elucidated. Here, we retrospectively analyzed the long-term outcome of our case series with oligodendroglial tumors treated with deferred RT and upfront procarbazine+nimustine+vincristine (PAV) in the introduction administration...
2016: OncoTargets and Therapy
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