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https://www.readbyqxmd.com/read/28102958/sliding-window-prior-data-assisted-compressed-sensing-for-mri-tracking-of-lung-tumors
#1
Eugene Yip, Jihyun Yun, Keith Wachowicz, Zsolt Gabos, Satyapal Rathee, B G Fallone
PURPOSE: Hybrid magnetic resonance imaging and radiation therapy devices are capable of imaging in real-time to track intrafractional lung tumor motion during radiotherapy. Highly accelerated magnetic resonance (MR) imaging methods can potentially reduce system delay time and/or improves imaging spatial resolution, and provide flexibility in imaging parameters. Prior Data Assisted Compressed Sensing (PDACS) has previously been proposed as an acceleration method that combines the advantages of 2D compressed sensing and the KEYHOLE view-sharing technique...
January 2017: Medical Physics
https://www.readbyqxmd.com/read/28102941/synthesis-of-primaquine-glyco-conjugates-as-potential-tissue-schizontocidal-antimalarial-agents
#2
Chandra S Azad, Mridula Saxena, Arif J Siddiqui, Jyoti Bhardwaj, Sunil K Puri, Guru P Dutta, Nity Anand, Anil K Saxena
Primaquine (PQ) is the only drug used to prevent relapse of malaria due to P. vivax and P. ovale, by eradicating the dormant liver form of the parasite (hypnozoites). The side effects associated with PQ limits is uses in treatment of malaria. To overcome the premature oxidative deamination and to increase the life span of drug in the biological system the novel glyco-conjugates of PQ were synthesized by coupling of primaquine with hexoses in phosphate buffer. The saccharide part of the hybrid molecules thought to be direct the drug to the liver, where hypnozoites resides...
January 19, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28102866/the-dna-target-determines-the-dimerization-partner-selected-by-bhlhz-like-hybrid-proteins-ahrjun-and-arntfos
#3
Ichiro Inamoto, Gang Chen, Jumi A Shin
The molecular basis of protein-partner selection and DNA binding of the basic helix-loop-helix (bHLH) and basic region-leucine zipper (bZIP) superfamilies of dimeric transcription factors is fundamental toward understanding gene regulation. Because these families share structural similarities, we swapped the bHLH and leucine zipper (LZ) modules between families to uncover how individual modules influence protein-partnering and protein:DNA complexation. We previously described ArntFos, a bHLHZ-like hybrid of the bHLH domain from the bHLH/PAS protein Arnt and LZ from the bZIP protein c-Fos, binding to the Arnt E-box site (TCACGTGA) as a homodimer...
January 19, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28102701/the-effect-of-pre-crash-velocity-reduction-on-occupant-response-using-a-human-body-finite-element-model
#4
B Guleyupoglu, J Schap, K D Kusano, F S Gayzik
OBJECTIVE: The objective of this study is to use a validated finite element model of the human body and a certified model of an ATD to evaluate the effect of simulated pre-crash braking on driver kinematics, restraint loads, body loads and computed injury criteria in four commonly-injured body regions. METHODS: The Global Human Body Models Consortium (GHBMC) 50th percentile male occupant (M50-O) and the Humanetics Hybrid-III 50(th) percentile models were gravity settled in the driver position of a generic interior equipped with an advanced three point belt and driver airbag...
January 19, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28102672/coupled-cluster-studies-of-ionization-potentials-and-electron-affinities-of-single-walled-carbon-nanotubes
#5
Bo Peng, Niranjan Govind, Edoardo Aprà, Michael Klemm, Jeff R Hammond, Karol Kowalski
In this paper we apply the equation-of-motion coupled cluster (EOM-CC) methods in the studies of the vertical ionization potentials (IPs) and electron affinities (EAs) for a series of single walled carbon nanotubes (SWCNT). The EOM-CC formulations for IPs and EAs employing excitation manifolds spanned by single and double excitations (IP/EA-EOM-CCSD) are used to study the IPs and EAs of the SWCNTs as a func- tion of the nanotube length. Several armchair nanotubes corresponding to C20nH20 models with n = 2 - 6 have been used in benchmark calculations...
January 19, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28102624/partial-monosomy-of-10p-and-duplication-of-another-chromosome-in-two-patients
#6
Sayaka Ohta, Tsuyoshi Isojima, Yoko Mizuno, Motohiro Kato, Masakazu Mimaki, Masafumi Seki, Yusuke Sato, Seishi Ogawa, Junko Takita, Sachiko Kitanaka, Akira Oka
Partial monosomy of 10p is a rare chromosomal abnormality. Common features are hypoparathyroidism, deafness, renal anomalies, distinctive facies, and mental retardation, with phenotypic variability. We report two patients with chromosomal abnormalities identified on single-nucleotide polymorphism (SNP) array analysis. Although patient 1 had common features of monosomy10p, G-banding indicated a normal karyotype. SNP array and fluorescence in situ hybridization (FISH), however, indicated unbalanced translocation of a 10p terminal deletion of 11...
January 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28102372/structure-transport-and-photoconductance-of-pbs-quantum-dot-monolayers-functionalized-with-a-copper-phthalocyanine-derivative
#7
A André, C Theurer, J Lauth, S Maiti, M Hodas, M Samadi Khoshkhoo, S Kinge, A J Meixner, F Schreiber, L D A Siebbeles, K Braun, M Scheele
We simultaneously surface-functionalize PbS nanocrystals with Cu 4,4',4'',4'''-tetraaminophthalocyanine and assemble this hybrid material into macroscopic monolayers. Electron microscopy and X-ray scattering reveal a granular mesocrystalline structure with strong coherence between the atomic lattice and the superlattice of nanocrystals within each domain. Terahertz spectroscopy and field-effect transistor measurements indicate efficient coupling of holes throughout the hybrid thin film, in conjunction with a pronounced photoresponse...
January 19, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28102338/strengthening-of-ceramic-based-artificial-nacre-via-synergistic-interactions-of-1d-vanadium-pentoxide-and-2d-graphene-oxide-building-blocks
#8
Andrea Knöller, Christian P Lampa, Felix von Cube, Tingying Helen Zeng, David C Bell, Mildred S Dresselhaus, Zaklina Burghard, Joachim Bill
Nature has evolved hierarchical structures of hybrid materials with excellent mechanical properties. Inspired by nacre's architecture, a ternary nanostructured composite has been developed, wherein stacked lamellas of 1D vanadium pentoxide nanofibres, intercalated with water molecules, are complemented by 2D graphene oxide (GO) nanosheets. The components self-assemble at low temperature into hierarchically arranged, highly flexible ceramic-based papers. The papers' mechanical properties are found to be strongly influenced by the amount of the integrated GO phase...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102334/cofe2o4-mil-100-fe-hybrid-magnetic-nanoparticles-exhibit-fast-and-selective-adsorption-of-arsenic-with-high-adsorption-capacity
#9
Ji-Chun Yang, Xue-Bo Yin
In this study, we report the synthesis and application of mesoporous CoFe2O4@MIL-100(Fe) hybrid magnetic nanoparticles (MNPs) for the simultaneous removal of inorganic arsenic (iAs). The hybrid adsorbent had a core-shell and mesoporous structure with an average diameter of 260 nm. The nanoscale size and mesoporous character impart a fast adsorption rate and high adsorption capacity for iAs. In total, 0.1 mg L(-1) As(V) and As(III) could be adsorbed within 2 min, and the maximum adsorption capacities were 114...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102320/polarization-conversion-in-plasmonic-nanoantennas-for-metasurfaces-using-structural-asymmetry-and-mode-hybridization
#10
Peter R Wiecha, Leo-Jay Black, Yudong Wang, Vincent Paillard, Christian Girard, Otto L Muskens, Arnaud Arbouet
Polarization control using single plasmonic nanoantennas is of interest for subwavelength optical components in nano-optical circuits and metasurfaces. Here, we investigate the role of two mechanisms for polarization conversion by plasmonic antennas: Structural asymmetry and plasmon hybridization through strong coupling. As a model system we investigate L-shaped antennas consisting of two orthogonal nanorods which lengths and coupling strength can be independently controlled. An analytical model based on field susceptibilities is developed to extract key parameters and to address the influence of antenna morphology and excitation wavelength on polarization conversion efficiency and scattering intensities...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102312/correlations-of-charge-neutrality-level-with-electronic-structure-and-p-d-hybridization
#11
Arkaprava Das, Subodh K Gautam, D K Shukla, Fouran Singh
The formation of charge neutrality level (CNL) in highly conducting Cadmium oxide (CdO) thin films is demonstarted by the observed variation in the band gap upon annealing and doping. It may be explained by the observation that Tin (Sn) doping breaks the perfect periodicity of CdO cubic crystal structure and creates virtual gap states (ViGS). The level of local CNL resides at the branch point of ViGS, making the energy at which native defect's character changes from predominantly donor-like below CNL to predominantly acceptor-like above the CNL and a schematic band diagram is developed to substantiate the same...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102069/tuning-the-morphologies-of-mno-c-hybrids-by-space-constraint-assembly-of-mn-mofs-for-high-performance-li-ion-batteries
#12
Dan Sun, Yougen Tang, Delai Ye, Jun Yan, Haoshen Zhou, Haiyan Wang
Morphology controllable fabrication of electrode materials is of great significance but is still a major challenge for high performance Li ion batteries. Herein, we propose a novel space constraint assembly approach to tune the morphology of Mn(terephthalic acid) (PTA)-MOF, in which benzonic acid was employed as a modulator to adjust the available MOF assembly directions. As a result, Mn(PTA)-MOFs with microquadrangulars, microflakes, and spindle-like microrods morphologies have been achieved. MnO/C hybrids with preserved morphologies were further obtained by self-sacrificial and thermal transformation of Mn(PTA)-MOFs...
January 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28102036/combining-one-step-sanger-sequencing-with-phasing-probe-hybridization-for-hla-class-i-typing-yields-rapid-g-group-resolution-predicting-99-of-unique-full-length-protein-sequences
#13
Bin Tu, Carly Masaberg, Lihua Hou, Daniel Behm, Peter Brescia, Nuri Cha, Kanthi Kariyawasam, Jar How Lee, Thoa Nong, John Sells, Paul Tausch, Ruyan Yang, Jennifer Ng, Carolyn Katovich Hurley
BACKGROUND: Sanger-based DNA sequencing of exons 2+3 of HLA class I alleles from a heterozygote frequently results in two or more alternative genotypes. This study was undertaken to reduce the time and effort required to produce a single high resolution HLA genotype. MATERIALS AND METHODS: Samples were typed in parallel by Sanger sequencing and oligonucleotide probe hybridization. This workflow, together with optimization of analysis software, was tested and refined during the typing of over 42,000 volunteers for an unrelated hematopoietic progenitor cell donor registry...
February 2017: HLA
https://www.readbyqxmd.com/read/28102018/microwave-assisted-rapid-synthesis-of-self-assembled-t-nb2o5-nanowires-for-high-energy-hybrid-supercapacitors
#14
Huiling Yang, Henghui Xu, Libin Wang, Lei Zhang, Yunhui Huang, Xianluo Hu
Recently ion-intercalation hybrid supercapacitors with high energy density at high power density have been widely investigated to meet the ever-increasing practical applications. Here a unique hybrid supercapacitor is designed and fabricated using self-assembled orthorhombic-phase niobium oxide@carbon (T-Nb2O5@C) nanowires as an anode and commercially available activated carbon as a cathode. The 3D-interconnected T-Nb2O5@C nanowires have been synthesized via a highly efficient microwave-solvothermal method combined with subsequent thermal treatment...
January 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28102001/evaluation-of-the-hybrid-resolution-pace-model-for-the-study-of-folding-insertion-and-pore-formation-of-membrane-associated-peptides
#15
Michael D Ward, Shivangi Nangia, Eric R May
The PACE force field presents an attractive model for conducting molecular dynamics simulations of membrane-protein systems. PACE is a hybrid model, in which lipids and solvents are coarse-grained consistent with the MARTINI mapping, while proteins are described by a united atom model. However, given PACE is linked to MARTINI, which is widely used to study membranes, the behavior of proteins interacting with membranes has only been limitedly examined in PACE. In this study, PACE is used to examine the behavior of several peptides in membrane environments, namely WALP peptides, melittin and influenza hemagglutinin fusion peptide (HAfp)...
January 19, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28101908/recurrent-rearrangements-of-human-amylase-genes-create-multiple-independent-cnv-series
#16
Nzar A A Shwan, Sandra Louzada, Fengtang Yang, John A L Armour
The human amylase gene cluster includes the human salivary (AMY1) and pancreatic amylase genes (AMY2A and AMY2B), and is a highly variable and dynamic region of the genome. Copy number variation of AMY1 has been implicated in human dietary adaptation, and in population association with obesity, but neither of these findings has been independently replicated. Despite these functional implications, the structural genomic basis of copy number variation (CNV) has only been defined in detail very recently. In this work we use high-resolution analysis of copy number, and analysis of segregation in trios, to define new, independent allelic series of amylase CNVs in sub-Saharan Africans, including a series of higher-order expansions of a unit consisting of one copy each of AMY1, AMY2A and AMY2B...
January 19, 2017: Human Mutation
https://www.readbyqxmd.com/read/28101898/prediction-of-excited-state-properties-of-oligoacene-crystals-using-polarizable-continuum-model-tuned-range-separated-hybrid-functional-approach
#17
Zhubin Hu, Bin Zhou, Zhenrong Sun, Haitao Sun
A methodology combining the polarizable continuum model and optimally-tuned range-separated (RS) hybrid functional was proposed for the quantitative characterization of the excited-state properties in oligoacene (from anthracene to hexacene) crystals. We show that it provides lowest vertical singlet and triplet excitation energies, singlet-triplet gap, and exciton binding energies in very good agreement with the available experimental data. We further find that it significantly outperforms its non-tuned RS counterpart and the widely used B3LYP functional, and even many-body perturbation theory within the GW approximation (based on a PBE starting point)...
January 19, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28101747/adolescents-conflict-management-styles-with-mothers-longitudinal-associations-with-parenting-and-reactance
#18
Lies Christine Missotten, Koen Luyckx, Susan Branje, Stijn Van Petegem
Adolescents' conflict management styles with parents are assumed to have an important impact on the quality of the parent-adolescent relationship and on adolescents' psychosocial development. Longitudinal research investigating possible determinants of these conflict management skills is scarce. The parenting context and adolescents' tendency to reject maternal authority are expected to shape adolescents' conflict management styles. Therefore, the present three-wave longitudinal study focuses on how parenting and adolescents' reactance relates to adolescents' conflict management styles and conflict frequency with mothers over time, and whether reactance may also explain the associations between parenting and certain conflict variables...
January 18, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28101674/posterior-tail-development-in-the-salamander-eurycea-cirrigera-exploring-cellular-dynamics-across-life-stages
#19
Janet L Vaglia, Chet Fornari, Paula K Evans
During embryogenesis, the body axis elongates and specializes. In vertebrate groups such as salamanders and lizards, elongation of the posterior body axis (tail) continues throughout life. This phenomenon of post-embryonic tail elongation via addition of vertebrae has remained largely unexplored, and little is known about the underlying developmental mechanisms that promote vertebral addition. Our research investigated tail elongation across life stages in a non-model salamander species, Eurycea cirrigera (Plethodontidae)...
January 18, 2017: Development Genes and Evolution
https://www.readbyqxmd.com/read/28101435/microsatellite-markers-for-nuphar-japonica-nymphaeaceae-an-aquatic-plant-in-the-agricultural-ecosystem-of-japan
#20
Toshiaki Kondo, Sonoko Watanabe, Takashi Shiga, Yuji Isagi
PREMISE OF THE STUDY: Nuphar species (Nymphaeaceae) are representative aquatic plants in irrigation ponds in Japanese agricultural ecosystems. We developed 15 polymorphic microsatellite markers for N. japonica and confirmed their utility for its close relatives N. oguraensis var. akiensis and N. ×saijoensis, which originated from natural hybridization between N. japonica and N. oguraensis. METHODS AND RESULTS: Genetic variation was characterized in 15 polymorphic loci in three populations of N...
December 2016: Applications in Plant Sciences
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