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https://www.readbyqxmd.com/read/28646153/giant-rashba-effect-at-the-topological-surface-of-prge-revealing-antiferromagnetic-spintronics
#1
Soma Banik, Pranab Kumar Das, Azzedine Bendounan, Ivana Vobornik, A Arya, Nathan Beaulieu, Jun Fujii, A Thamizhavel, P U Sastry, A K Sinha, D M Phase, S K Deb
Rashba spin-orbit splitting in the magnetic materials opens up a new perspective in the field of spintronics. Here, we report a giant Rashba spin-orbit splitting on the PrGe [010] surface in the paramagnetic phase with Rashba coefficient α R  = 5 eVÅ. We find that α R can be tuned in this system as a function of temperature at different magnetic phases. Rashba type spin polarized surface states originates due to the strong hybridization between Pr 4f states with the conduction electrons. Significant changes observed in the spin polarized surface states across the magnetic transitions are due to the competition between Dzyaloshinsky-Moriya interaction and exchange interaction present in this system...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28635959/optogenetic-activation-of-plexin-b1-reveals-contact-repulsion-between-osteoclasts-and-osteoblasts
#2
Abhijit Deb Roy, Taofei Yin, Shilpa Choudhary, Vladimir Rodionov, Carol C Pilbeam, Yi I Wu
During bone remodelling, osteoclasts induce chemotaxis of osteoblasts and yet maintain spatial segregation. We show that osteoclasts express the repulsive guidance factor Semaphorin 4D and induce contact inhibition of locomotion (CIL) in osteoblasts through its receptor Plexin-B1. To examine causality and elucidate how localized Plexin-B1 stimulation may spatiotemporally coordinate its downstream targets in guiding cell migration, we develop an optogenetic tool for Plexin-B1 designated optoPlexin. Precise optoPlexin activation at the leading edge of migrating osteoblasts readily induces local retraction and, unexpectedly, distal protrusions to steer cells away...
June 21, 2017: Nature Communications
https://www.readbyqxmd.com/read/28634515/transarterial-chemoembolization-using-40-%C3%A2%C2%B5m-drug-eluting-beads-for-hepatocellular-carcinoma
#3
Giorgio Greco, Tommaso Cascella, Antonio Facciorusso, Roberto Nani, Rodolfo Lanocita, Carlo Morosi, Marta Vaiani, Giuseppina Calareso, Francesca G Greco, Antonio Ragnanese, Marco A Bongini, Alfonso V Marchianò, Vincenzo Mazzaferro, Carlo Spreafico
AIM: To assess the safety and efficacy of transarterial chemoembolization (TACE) of hepatocellular carcinoma (HCC) using a new generation of 40 μm drug eluting beads in patients not eligible for curative treatment. METHODS: Drug eluting bead TACE (DEB-TACE) using a new generation of microspheres (embozene tandem, 40 μm) preloaded with 100 mg of doxorubicin was performed on 48 early or intermediate HCC patients with compensated cirrhosis. Response to therapy was assessed with Response Evaluation Criteria in Solid Tumors (RECIST) and modified RECIST (mRECIST) guidelines applied to computed tomography or magnetic resonance imaging...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28629564/computed-tomography-perfusion-imaging-for-monitoring-transarterial-chemoembolization-of-hepatocellular-carcinoma
#4
Herman P Marquez, Amar Karalli, Holger Haubenreisser, Rishi P Mathew, Hatem Alkadhi, Torkel B Brismar, Thomas Henzler, Michael A Fischer
PURPOSE: To prospectively monitor changes in tumor perfusion of hepatocellular carcinoma (HCC) in response to doxorubicin-eluted bead based transarterial chemoembolization (DEB-TACE) using perfusion-CT (P-CT). METHODS AND MATERIALS: 24 patients (54-79 years) undergoing P-CT before and shortly after DEB-TACE of HCC were prospectively included in this dual-center study. Two readers determined arterial-liver-perfusion (ALP, mL/min/100mL), portal-venous-perfusion (PLP, mL/min/100mL) and the hepatic-perfusion-index (HPI, %) by placing matched regions-of-interests within each HCC before and after DEB-TACE...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28628811/evaluating-pedestrian-behavior-at-crosswalks-validation-of-a-pedestrian-behavior-questionnaire-for-the-u-s-population
#5
Shuchisnigdha Deb, Lesley Strawderman, Janice DuBien, Brian Smith, Daniel W Carruth, Teena M Garrison
The aim of this study was to develop and validate a self-reporting Pedestrian Behavior Questionnaire (PBQ) for the U.S. population to measure frequency of risky behaviors among pedestrians. The PBQ includes 50 survey items that allow respondents to rate the frequency with which they engage in different types of road-using behaviors as pedestrians. The validation study was conducted on 425 participants (228 males and 197 females) between the ages of 18 and 71. Confirmatory factor analysis differentiated pedestrian behaviors into five factor categories: violations, errors, lapses, aggressive behaviors, and positive behaviors...
June 16, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28625598/predictors-of-long-term-outcomes-after-drug-eluting-balloon-angioplasty-for-bare-metal-stent-restenosis
#6
Ming-Jer Hsieh, Yu-Chang Huang, Jih-Kai Yeh, Chun-Chi Chen, Dong-Yi Chen, Chia-Hung Yang, Ming-Lung Tsai, Ming-Yun Ho, Shang-Hung Chang, Chao-Yung Wang, Cheng-Hung Lee, I-Chang Hsieh
BACKGROUND: Clinical trials have investigated efficacy of drug-eluting balloon (DEB) angioplasty for bare-metal stent (BMS) in-stent restenosis (ISR). Few studies have investigated predictors of long-term outcomes following BMS-ISR treatment with DEB. METHODS: From June 2011 to April 2015, 105 patients with 125 BMS-ISR lesions were enrolled from the Cardiovascular Atherosclerosis and Percutaneous TrAnsluminal INterventions (CAPTAIN) registry. All these lesions were treated with DEB angioplasty as final therapy...
May 24, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28624910/clinical-pharmacology-and-clinical-trials-of-ribonucleotide-reductase-inhibitors-is-it-a-viable-cancer-therapy
#7
REVIEW
Mukundan Baskar Mannargudi, Subrata Deb
PURPOSE: Ribonucleotide reductase (RR) enzymes (RR1 and RR2) play an important role in the reduction of ribonucleotides to deoxyribonucleotides which is involved in DNA replication and repair. Augmented RR activity has been ascribed to uncontrolled cell growth and tumorigenic transformation. METHODS: This review mainly focuses on several biological and chemical RR inhibitors (e.g., siRNA, GTI-2040, GTI-2501, triapine, gemcitabine, and clofarabine) that have been evaluated in clinical trials with promising anticancer activity from 1960's till 2016...
June 17, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28623934/serological-and-virological-surveillance-of-avian-influenza-virus-in-domestic-ducks-of-the-north-east-region-of-bangladesh
#8
Rahul Deb Sarker, Mohammad Giasuddin, Emdadul Haque Chowdhury, Mohammad Rafiqul Islam
BACKGROUND: Wild waterfowl are considered as the natural reservoir for avian influenza (AI) viruses. Bangladesh has been experiencing highly pathogenic avian influenza (HPAI) outbreaks since 2007, mostly in chickens and occasionally in ducks. Ducks play an important role in the persistence and genetic recombination of AI viruses. This paper presents the results of serological and virological monitoring of AI in domestic ducks in 2013 in the north-east region of Bangladesh. RESULTS: A total of 871 and 662 serum samples and 909 and 302 pairs of cloacal and oropharyngeal swabs from domestic ducks of Mymensingh and Sylhet division, respectively, were analysed...
June 17, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28623492/recombinant-20-8-kda-protein-of-mycobacterium-avium-subsp-paratuberculosis-based-sero-diagnosis-of-paratuberculosis
#9
P P Goswami, Gokul Chand, N S Prasad, R Deb, S H Basagoudanavar
Johne's disease or paratuberculosis is a chronic infectious enteric disease of ruminants caused by the intracellular pathogen. The control of the Johne's disease is hampered by lack of specific diagnostic tests. In this study, we have cloned and expressed the N-terminal region of the locus tag Map 1637c encoding 20.8-kDa (r20.8) protein of Mycobacterium avium subsp. paratuberculosis. The recombinant protein r20.8 was expressed in high levels in Escherichia coli. The protein r20.8 was purified by single-step chromatography using Ni-NTA agarose...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28623336/molecular-identification-of-multiple-antibiotic-resistant-fish-pathogenic-enterococcus-faecalis-and-their-control-by-medicinal-herbs
#10
Muntasir Rahman, Md Mahbubur Rahman, Suzan Chandra Deb, Md Shahanoor Alam, Md Jahangir Alam, Md Tofazzal Islam
The opportunistic fish pathogen, Enterococcus faecalis has been reported to cause mass mortality in several fish species in different countries. The objectives of this study were to (i) identify E. faecalis from the diseased fishes through molecular techniques; (ii) assess the antibiotic susceptibility profile of E. faecalis isolates; and (iii) control disease in tilapia fish by treatment with medicinal plant extracts. A total of 48 isolates were phenotypically identified as Enterococcus species from tilapia, stinging catfish and walking catfish cultivated in several fish farms in Gazipur...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28621656/pathways-to-policy-lessons-learned-in-multisectoral-collaboration-for-physical-activity-and-built-environment-policy-development-from-the-coalitions-linking-action-and-science-for-prevention-clasp-initiative
#11
Christopher E Politis, David L Mowat, Deb Keen
OBJECTIVES: The Canadian Partnership Against Cancer funded 12 large-scale knowledge to action cancer and chronic disease prevention projects between 2009 and 2016 through the Coalitions Linking Action and Science for Prevention (CLASP) initiative. Two projects, Healthy Canada by Design (HCBD) and Children's Mobility, Health and Happiness (CMHH), developed policies to address physical activity and the built environment through a multisectoral approach. A qualitative analysis involving a review of 183 knowledge products and 8 key informant interviews was conducted to understand what policy changes occurred, and the underlying critical success factors, through these projects...
June 16, 2017: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
https://www.readbyqxmd.com/read/28619437/fatigue-evaluation-in-fingolimod-treated-patients-an-observational-study
#12
Marion Masingue, Rabab Debs, Elisabeth Maillart, Valérie Delvaux, Catherine Lubetzki, Jean-Sébastien Vidal, Caroline Papeix
BACKGROUND: Fatigue is one of the most disabling symptoms in Multiple Sclerosis (MS) patients and is associated with a low quality of life. Fingolimod (Fg), a sphingosine 1-phosphate receptor modulator, is the first oral MS disease modifying treatment. Little is known about its effect on fatigue. To assess the impact of Fg on fatigue within the first 6 months of treatment in MS patients, we conducted a prospective, open label study, in real life setting. METHODS: Change of Modified Fatigue Impact Scale (MFIS) between Fg treatment start and at 6 months was used as a first outcome...
May 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/28618474/variance-of-permutation-entropy-and-the-influence-of-ordinal-pattern-selection
#13
Douglas J Little, Deb M Kane
Permutation entropy (PE) is a widely used measure for complexity, often used to distinguish between complex systems (or complex systems in different states). Here, the PE variance for a stationary time series is derived, and the influence of ordinal pattern selection, specifically whether the ordinal patterns are permitted to overlap or not, is examined. It was found that permitting ordinal patterns to overlap reduces the PE variance, improving the ability of this statistic to distinguish between complex system states for both numeric (fractional Gaussian noise) and experimental (semiconductor laser with optical feedback) systems...
May 2017: Physical Review. E
https://www.readbyqxmd.com/read/28618276/common-explosives-tnt-rdx-hmx-and-their-fate-in-the-environment-emphasizing-bioremediation
#14
REVIEW
Soumya Chatterjee, Utsab Deb, Sibnarayan Datta, Clemens Walther, Dharmendra K Gupta
Explosive materials are energetic substances, when released into the environment, contaminate by posing toxic hazards to environment and biota. Throughout the world, soils are contaminated by such contaminants either due to manufacturing operations, military activities, conflicts of different levels, open burning/open detonation (OB/OD), dumping of munitions etc. Among different forms of chemical explosives, 2,4,6-trinitrotoluene (TNT), hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX), and octahydro-1,3,5,7-tetranitro- 1,3,5,7-tetrazocine (HMX) are most common...
June 4, 2017: Chemosphere
https://www.readbyqxmd.com/read/28600186/effect-of-temperature-on-the-kinetics-of-the-activation-of-treosulfan-and-hydrolytic-decomposition-of-its-active-epoxy-derivatives
#15
Michał Romański, Jakub Mikołajewski, Franciszek K Główka
Treosulfan (TREO) is a prodrug applied in treatment of ovarian cancer and a myeloablative conditioning prior to stem cell transplantation. A sequential activation of TREO to intermediate monoepoxide (S,S-EBDM) and then to (2S,3S)-1,2:3,4-diepoxybutane (S,S-DEB) involves a nonenzymatic intramolecular nucleophilic substitution. The aim of this study was to determine the effect of temperature on the rate constants (k) for the activation of TREO and the hydrolysis of its epoxy-derivatives in a phosphate buffer of pH 7...
June 6, 2017: Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28598666/erratum-bright-solitonic-matter-wave-interferometer-phys-rev-lett-113-013002-2014
#16
G D McDonald, C C N Kuhn, K S Hardman, S Bennetts, P J Everitt, P A Altin, J E Debs, J D Close, N P Robins
This corrects the article DOI: 10.1103/PhysRevLett.113.013002.
May 26, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28586945/low-dose-rate-brachytherapy-versus-cryotherapy-in-low-and-intermediate-risk-prostate-cancer
#17
Matthew M Gestaut, Wendi Cai, Shilpa Vyas, Belur J Patel, Salman A Hasan, Yolanda MunozMaldonado, Niloyjyoti Deb, Gregory Swanson
PURPOSE: Cryotherapy and brachytherapy are definitive local treatment options for low- to intermediate-risk prostate cancer. There are both prospective and retrospective data for brachytherapy, but the use of cryotherapy has been limited primarily to single-institution retrospective studies. Currently, no published evidence has compared low-dose-rate brachytherapy versus cryotherapy. METHODS AND MATERIALS: Institutional review board approval was obtained to conduct a retrospective chart review of consecutive patients treated at our institution from 1990 to 2012...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28584686/extra-pituitary-cerebral-anomalies-in-pediatric-patients-of-ectopic-neurohypophysis-an-uncommon-association
#18
Deb K Boruah, Shantiranjan Sanyal, Arjun Prakash, Sashidhar Achar, Rajanikant R Yadav, T Pravakaran, Dhaval D Dhingani, Barun K Sarmah
CONTEXT: Ectopic neurohypophysis (EN) refers to an interrupted, nonvisualized, and thinned out pituitary stalk with ectopic location of the posterior pituitary gland. Concurrent extra-pituitary cerebral and extra-cranial anomalies have been rarely reported in patients of EN. AIM: The aim of this study was to evaluate the magnetic resonance imaging (MRI) findings of extra-pituitary cerebral anomalies in pediatric patients of EN. SETTINGS AND DESIGN: A hospital-based cross-sectional study was conducted in a tertiary care center...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28584657/personalisation-and-social-care-assessment-the-care-act-2014
#19
REVIEW
Deb Barnes, Billy Boland, Kathryn Linhart, Katherine Wilson
The Care Act 2014 represents a significant change in legislation in England. For the first time it brings together various aspects of adult social care into a single statute succeeding earlier acts and policy. Given its importance to the lives of service users and carers, clinicians need to have a clear understanding of its implications. We provide an overview of why it was developed, its underlying principles and international comparisons, as well as implications for assessments, interventions and outcomes...
June 2017: BJPsych Bulletin
https://www.readbyqxmd.com/read/28582562/adaptation-of-a-malaria-surveillance-system-for-use-in-a-visceral-leishmaniasis-elimination-programme
#20
Geraldine M Foster, Sophie Dunkley, Rinki M Deb, Edward Thomsen, Marlize Coleman, A C Dhariwal, R K Das Gupta, Sridhar Srikantiah, Pradeep Das, Michael Coleman
Background: Successful public practice relies on generation and use of high-quality data. A data surveillance system (the Disease Data Management System [DDMS]) in use for malaria was adapted for use in the Indian visceral leishmaniasis elimination programme. Methods: A situational analysis identified the data flows in current use. Taxonomic trees for the vector of visceral leishmaniasis in India, Phlebotomus argentipes, were incorporated into the DDMS to allow entry of quality assurance and insecticide susceptibility data...
May 1, 2017: International Health
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