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https://www.readbyqxmd.com/read/28431463/enhanced-ferromagnetic-interaction-in-modulation-doped-gamnn-nanorods
#1
Yuan-Ting Lin, Paritosh Vilas Wadekar, Hsiang-Shun Kao, Yu-Jung Zheng, Quark Yung-Sung Chen, Hui-Chun Huang, Cheng-Maw Cheng, New-Jin Ho, Li-Wei Tu
In this report, ferromagnetic interactions in modulation-doped GaMnN nanorods grown on Si (111) substrate by plasma-assisted molecular beam epitaxy are investigated with the prospect of achieving a room temperature ferromagnetic semiconductor. Our results indicate the thickness of GaN layer in each GaN/MnN pair, as well as Mn-doping levels, are essential for suppressing secondary phases as well as enhancing the magnetic moment. For these optimized samples, structural analysis by high-resolution X-ray diffractometry and Raman spectroscopy verifies single-crystalline modulation-doped GaMnN nanorods with Ga sites substituted by Mn atoms...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28431392/characterization-of-aurora-a-and-its-impact-on-the-effect-of-cisplatin-based-chemotherapy-in-patients-with-non-small-cell-lung-cancer
#2
Peng Kuang, Zuhua Chen, JiaYuan Wang, Zhentao Liu, Jingyuan Wang, Jing Gao, Lin Shen
BACKGROUND AND OBJECTIVE: Aurora A, as a member of serine/threonine kinase family and a common characteristic of epithelial cancers, plays a critical role in cell mitosis. However, the clinical significance of Aurora A in non-small cell lung cancer (NSCLC) remains undetermined. METHODS: The expression of Aurora A in NSCLC and paired normal adjacent lung tissues was determined by immunohistochemistry, Western blot, and reverse transcriptase polymerase chain reaction...
April 18, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28431355/genome-wide-identification-and-analysis-of-the-populus-trichocarpa-tify-gene-family
#3
Yue Wang, Feng Pan, Danmei Chen, Wenyuan Chu, Huanlong Liu, Yan Xiang
The plant-specific TIFY proteins are widely present in land plants and play the important roles in the regulation of plant stress-responses. In this study, we carried out a bioinformatics analysis of TIFY genes in Populus trichocarpa by determining the phylogenetic relationship, chromosomal location and gene structure and expression profiles analysis under stresses. The 24 TIFY genes were identified and classified into four subfamilies (ZML, JAZ, PPD and TIFY). The 24 TIFY genes were irregularly located on 13 of the 19 chromosomes; ten gene pairs were involved in large-scale interchromosomal segmental duplication events; we identified 17 collinear TIFY gene pairs in the Populus trichocarpa genome...
April 13, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28431211/oxyuricassis-coronatus-n-gen-n-sp-and-o-hexaspinatus-n-sp-oxyurida-pharyngodonidae-parasites-of-lasiancistrus-saetiger-siluriformes-loricariidae-in-freshwater-rivers-of-the-brazilian-amazon
#4
Allan Rodrigo Oliveira Rodrigues, Jeannie Nascimentodos Santos, Adriano Penha Furtado, Francisco Tiago Vasconcelos Melo
A new nematode genus is described from intestines of Lasiancistrus saetiger Ambruster from freshwater rivers in the Brazilian Amazon. Oxyuricassis n. gen. is characterized by, a cephalic hood, buccal cavity small , long oesophagus with a well-developed isthmus and a conical tail with spines. Two new species are described: O. coronatus n. sp. is characterized by the absence of lateral alae, a conical tail with truncated extremity with sclerotized projections spine-like around the tail tip, male of O. coronatus has a caudal alae sucker-like...
April 21, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28431190/higher-levels-of-submissive-behaviors-at-the-onset-of-the-pairing-process-of-rhesus-macaques-macaca-mulatta-are-associated-with-lower-risk-of-wounding-following-introduction
#5
Ori Pomerantz, Kate C Baker
Social housing of rhesus macaques (Macaca mulatta) is considered to be the cornerstone of behavioral management programs in biomedical facilities. However, it also involves the risk of socially inflicted trauma. The ability to avoid such trauma would contribute to the animals' well-being and alleviate staff's concerns, thus paving the path for more introductions. Here, we sought to address the conflict between the need to socially house rhesus macaques and the need to bring social wounding to a minimum by identifying behaviors expressed early in social introductions, that may serve as predictors of later wounding events...
April 21, 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28431171/heritability-of-heart-rate-response-to-arousals-in-twins
#6
Xiaoling Gao, Ali Azarbarzin, Brendan T Keenan, Michele Ostrowski, Frances M Pack, Bethany Staley, Greg Maislin, Allan I Pack, Magdy Younes, Samuel T Kuna
Objectives: To determine if the large and highly reproducible inter-individual differences in arousal intensity and heart rate response to arousal (ΔHR) during non-REM sleep are heritable. Methods: Polysomnograms of 55 monozygotic (14 male and 41 female pairs) and 36 dizygotic (15 male and 21 female pairs) same-sex twin pairs were analyzed. Arousals were scored using the 2012 American Academy of Sleep Medicine criteria. Arousal intensity was scaled (between 0 and 9) using an automatic algorithm based on the change in EEG time and frequency characteristics...
April 18, 2017: Sleep
https://www.readbyqxmd.com/read/28431161/engineering-a-high-affinity-peptide-binding-site-into-the-anti-cea-mab-m5a
#7
Cindy Zer, Kendra N Avery, Kassondra Meyer, Leah Goodstein, Krzysztof P Bzymek, Gagandeep Singh, John C Williams
We have previously identified a cyclic peptide called meditope which binds to the central cavity of the Fab portion of cetuximab and shown that this peptide binding site can be grafted, or 'meditope-enabled', onto trastuzumab. This peptide has been shown to act as a hitch for the non-covalent attachment of imaging agents to meditope-enabled antibodies. Herein, we explore the process of grafting this peptide binding site onto M5A, an anti-CEA antibody in clinical trials for cancer diagnostics. In order to explore the contributions of the amino acids, we sequentially introduced pairs of amino acid substitutions into the Fab and then we reverse-substituted key residues in the presence of the other substitutions...
April 19, 2017: Protein Engineering, Design & Selection: PEDS
https://www.readbyqxmd.com/read/28431152/insights-into-the-existence-of-isomeric-plastomes-in-cupressoideae-cupressaceae
#8
Xiao-Jian Qu, Chung-Shien Wu, Shu-Miaw Chaw, Ting-Shuang Yi
The cypress family (Cupressaceae) possesses highly rearranged plastomes that lack a pair of large inverted repeats typically found in land plants. A few cypress species have been reported to contain isomeric plastomes, but whether the existence of isomeric plastomes is ubiquitous in the family remains to be investigated with a broader taxon sampling. In this study, we sequenced the complete plastomes of ten species in Cupressoideae, the largest cypress subfamily. Cupressoideae showed relatively accelerated rates of substitutions at both nonsynonymous and synonymous sites as compared with other subfamilies of Cupressaceae...
April 14, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28431135/reconstitution-of-a-functional-7sk-snrnp
#9
John E Brogie, David H Price
The 7SK small nuclear ribonucleoprotein (snRNP) plays a central role in RNA polymerase II elongation control by regulating the availability of active P-TEFb. We optimized conditions for analyzing 7SK RNA by SHAPE and demonstrated a hysteretic effect of magnesium on 7SK folding dynamics including a 7SK GAUC motif switch. We also found evidence that the 5΄ end pairs alternatively with two different regions of 7SK giving rise to open and closed forms that dictate the state of the 7SK motif. We then used recombinant P-TEFb, HEXIM1, LARP7 and MEPCE to reconstruct a functional 7SK snRNP in vitro...
April 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28431093/interactions-between-cassava-mosaic-geminiviruses-and-their-vector-bemisia-tabaci-hemiptera-aleyrodidae
#10
Simon B Boni, Costancia P Rugumamu, Dan Gerling, K Sagary Nokoe, James P Legg
The sweetpotato whitefly, Bemisia tabaci (Gennadius) is the vector of the cassava mosaic geminiviruses (CMGs) that cause cassava mosaic disease (CMD). Synergistic interactions between B. tabaci and CMGs have been hypothesized as a cause of whitefly "super-abundance," which has been a key factor behind the spread of the severe CMD pandemic through East and Central Africa. The current study investigated this hypothesis by conducting experiments with CMD-susceptible cassava varieties infected with different CMGs in both the north-western Lake Zone region (pandemic affected) and the eastern Coast Zone where CMD is less severe...
April 18, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28431054/the-variability-of-automated-qrs-duration-measurement
#11
Vlastimil Vancura, Dan Wichterle, Ivan Ulc, Jirí Šmíd, Marek Brabec, Marta Zárybnická, Richard Rokyta
Aims: Previous studies have demonstrated substantial variability in manual assessment of QRS complex duration (QRSd). Disagreements in QRSd measurements were also found in several automated algorithms tested on digitized electrocardiogram (ECG) recordings. The aim of our study was to investigate the variability of automated QRSd measurements performed by two commercially available electrocardiographs. Methods and Results: Two GE MAC 5000 (GE-1 and GE-2) electrocardiographs and two Mortara ELI 350 (Mortara-1 and Mortara-2) electrocardiographs were used in the study...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28431035/medical-symptom-validity-test-performance-following-moderate-severe-traumatic-brain-injury-expectations-based-on-orientation-log-classification
#12
Stephen N Macciocchi, Ronald T Seel, Angela Yi, Sarah Small
Objective: This study examined performance on the Medical Symptom Validity test (MSVT) during acute rehabilitation for moderate-severe traumatic brain injury (TBI) stratified by Orientation Log (O-Log) scores. Method: Participants were 77 prospectively enrolled persons who sustained moderate-severe TBI and were acutely hospitalized secondary to the cognitive, medical and physical sequelae of their TBI. Participants were administered neuropsychological metrics, the O-Log and the MSVT a mean of 44 days post injury...
May 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28430848/an-assessment-of-the-accuracy-of-home-blood-pressure-monitors-when-used-in-device-owners
#13
Jennifer S Ringrose, Gina Polley, Donna McLean, Ann Thompson, Fraulein Morales, Raj Padwal
OBJECTIVE: To examine the accuracy of home blood pressure (BP) devices, on their owners, compared to auscultatory reference standard BP measurements. METHODS: Eighty-five consecutive consenting subjects ≥18 years of age, who owned an oscillometric home BP device (wrist or upper-arm device), with BP levels between 80-220/50-120 mm Hg, and with arm circumferences between 25-43 cm were studied. Pregnancy and atrial fibrillation were exclusion criteria. Device measurements from each subject's home BP device were compared to simultaneous 2-observer auscultation using a mercury sphygmomanometer...
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28430836/test-retest-reliability-of-common-behavioral-decision-making-tasks
#14
Melissa T Buelow, Wesley R Barnhart
Objective: To examine test-retest reliability of common behavioral decision making tasks. Method: A total of 98 undergraduate students completed two administrations of the Iowa Gambling Task (IGT), Balloon Analogue Risk Task (BART), Columbia Card Task (CCT), and Game of Dice Task (GDT), three weeks apart. Results: The BART, CCT, and GDT showed moderately strong correlations across time. On the IGT, no correlations were seen between Time 1 Trials 1-40 and Time 2 performance; however, weak correlations were observed between Time 1 Trials 41-100 and Time 2 performance...
April 20, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28430818/comparative-genomics-of-burkholderia-multivorans-a-ubiquitous-pathogen-with-a-highly-conserved-genomic-structure
#15
Charlotte Peeters, Vaughn S Cooper, Philip J Hatcher, Bart Verheyde, Aurélien Carlier, Peter Vandamme
The natural environment serves as a reservoir of opportunistic pathogens. A well-established method for studying the epidemiology of such opportunists is multilocus sequence typing, which in many cases has defined strains predisposed to causing infection. Burkholderia multivorans is an important pathogen in people with cystic fibrosis (CF) and its epidemiology suggests that strains are acquired from non-human sources such as the natural environment. This raises the central question of whether the isolation source (CF or environment) or the multilocus sequence type (ST) of B...
2017: PloS One
https://www.readbyqxmd.com/read/28430779/a-coevolution-analysis-for-identifying-protein-protein-interactions-by-fourier-transform
#16
Changchuan Yin, Stephen S-T Yau
Protein-protein interactions (PPIs) play key roles in life processes, such as signal transduction, transcription regulations, and immune response, etc. Identification of PPIs enables better understanding of the functional networks within a cell. Common experimental methods for identifying PPIs are time consuming and expensive. However, recent developments in computational approaches for inferring PPIs from protein sequences based on coevolution theory avoid these problems. In the coevolution theory model, interacted proteins may show coevolutionary mutations and have similar phylogenetic trees...
2017: PloS One
https://www.readbyqxmd.com/read/28430717/multilateral-functional-alterations-of-human-neutrophils-in-sepsis-from-the-point-of-diagnosis-to-the-seventh-day
#17
Akira Endo, Miko Okamura, Shunsuke Yoshikawa, Yasuhiro Otomo, Tomohiro Morio
Neutrophil functional changes caused by sepsis itself and their time-course variation have not been fully elucidated because previous studies targeted patients who had received therapeutic interventions. We explored the multilateral functions of circulating neutrophils in patients with severe sepsis or septic shock who had not yet undergone interventions, and followed their changes. Patients were treated based on the Surviving Sepsis Campaign Guidelines 2012. Neutrophil functions were evaluated on days 0 (before therapeutic intervention), 3, and 7 in fifty-nine sepsis patients...
April 20, 2017: Shock
https://www.readbyqxmd.com/read/28430636/exploring-the-role-of-paraoxonase-2-in-bladder-cancer-analyses-performed-on-tissue-samples-urines-and-cell-cultures
#18
Tiziana Bacchetti, Davide Sartini, Valentina Pozzi, Tiziana Cacciamani, Gianna Ferretti, Monica Emanuelli
The enzyme paraoxonase-2 (PON2) is ubiquitously expressed and exerts its antiapoptotic and antioxidative functions in several intracellular compartments.The aim of this study is to investigate the role of PON2 in bladder cancer (BC). The expression levels of PON2 in paired tumor and normal bladder tissue samples and in urinary exfoliated cells from patients affected with BC and healthy donors were evaluated. Moreover, the effect of PON2 overexpression on tumor cell proliferation and susceptibility to oxidative stress was investigated in human bladder cancer cell line T24...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430634/outcomes-of-microwave-ablation-for-hepatocellular-carcinoma-adjacent-to-large-vessels-a-propensity-score-analysis
#19
Jian-Ping Dou, Jie Yu, Xiao-Huan Yang, Zhi-Gang Cheng, Zhi-Yu Han, Fang-Yi Liu, Xiao-Ling Yu, Ping Liang
The aim of this study was to retrospectively compare the long-term efficacy of MW ablation as a curative therapy for hepatocellular carcinoma(HCC) adjacent to large vessels(≥3 mm) with that in safe location. Between 2010 and 2016, 406 patients diagnosed with early-stage HCC at Chinese PLA general hospital were enrolled. One-to-one matched pairs between the vessel group and the safe group were generated using propensity score matching. The associations of treatment strategy with overall survival and local tumor progression were determined by Cox regression...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430492/high-t_-c-superconductivity-in-fese-at-high-pressure-dominant-hole-carriers-and-enhanced-spin-fluctuations
#20
J P Sun, G Z Ye, P Shahi, J-Q Yan, K Matsuura, H Kontani, G M Zhang, Q Zhou, B C Sales, T Shibauchi, Y Uwatoko, D J Singh, J-G Cheng
The importance of electron-hole interband interactions is widely acknowledged for iron-pnictide superconductors with high transition temperatures (T_{c}). However, the absence of hole pockets near the Fermi level of the iron-selenide (FeSe) derived high-T_{c} superconductors raises a fundamental question of whether iron pnictides and chalcogenides have different pairing mechanisms. Here, we study the properties of electronic structure in the high-T_{c} phase induced by pressure in bulk FeSe from magnetotransport measurements and first-principles calculations...
April 7, 2017: Physical Review Letters
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