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https://www.readbyqxmd.com/read/28227874/cluster-based-architecture-and-network-maintenance-protocol-for-medical-priority-aware-cognitive-radio-based-hospital
#1
Ishtiak Al Mamoon, A K M Muzahidul Islam, Sabariah Baharun, Ashir Ahmed, Shozo Komaki, Ishtiak Al Mamoon, A K M Muzahidul Islam, Sabariah Baharun, Ashir Ahmed, Shozo Komaki, Ishtiak Al Mamoon, Shozo Komaki, Ashir Ahmed, A K M Muzahidul Islam, Sabariah Baharun
Due to the rapid growth of wireless medical devices in near future, wireless healthcare services may face some inescapable issue such as medical spectrum scarcity, electromagnetic interference (EMI), bandwidth constraint, security and finally medical data communication model. To mitigate these issues, cognitive radio (CR) or opportunistic radio network enabled wireless technology is suitable for the upcoming wireless healthcare system. The up-to-date research on CR based healthcare has exposed some developments on EMI and spectrum problems...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28208769/localisation-microscopy-of-breast-epithelial-erbb-2-receptors-and-gap-junctions-trafficking-after-%C3%AE-irradiation-neuregulin-1%C3%AE-and-trastuzumab-application
#2
Götz Pilarczyk, Ines Nesnidal, Manuel Gunkel, Margund Bach, Felix Bestvater, Michael Hausmann
In cancer, vulnerable breast epithelium malignance tendency correlates with number and activation of ErbB receptor tyrosine kinases. In the presented work, we observe ErbB receptors activated by irradiation-induced DNA injury or neuregulin- 1 β application, or alternatively, attenuated by a therapeutic antibody using high resolution fluorescence localization microscopy. The gap junction turnover coinciding with ErbB receptor activation and co-transport is simultaneously recorded. DNA injury caused by 4 Gray of 6 MeV photon γ -irradiation or alternatively neuregulin- 1 β application mobilized ErbB receptors in a nucleograde fashion-a process attenuated by trastuzumab antibody application...
February 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28197216/introducing-the-comprehensive-unit-based-safety-program-for-mechanically-ventilated-patients-in-saudi-arabian-intensive-care-units
#3
Raymond M Khan, Maha Aljuaid, Hanan Aqeel, Mohammed M Aboudeif, Shaimaa Elatwey, Rajeh Shehab, Yasser Mandourah, Khalid Maghrabi, Hassan Hawa, Imran Khalid, Ismael Qushmaq, Asad Latif, Bickey Chang, Sean M Berenholtz, Sultan Tayar, Khloud Al-Harbi, Amin Yousef, Anas A Amr, Yaseen M Arabi
Over the past decade, there have been major improvements to the care of mechanically ventilated patients (MVPs). Earlier initiatives used the concept of ventilator care bundles (sets of interventions), with a primary focus on reducing ventilator-associated pneumonia. However, recent evidence has led to a more comprehensive approach: The ABCDE bundle (Awakening and Breathing trial Coordination, Delirium management and Early mobilization). The approach of the Comprehensive Unit-based Safety Program (CUSP) was developed by patient safety researchers at the Johns Hopkins Hospital and is supported by the Agency for Healthcare Research and Quality to improve local safety cultures and to learn from defects by utilizing a validated structured framework...
January 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28179216/navigating-ethics-in-the-digital-age-introducing-connected-and-open-research-ethics-core-a-tool-for-researchers-and-institutional-review-boards
#4
John Torous, Camille Nebeker
Research studies that leverage emerging technologies, such as passive sensing devices and mobile apps, have demonstrated encouraging potential with respect to favorably influencing the human condition. As a result, the nascent fields of mHealth and digital medicine have gained traction over the past decade as demonstrated in the United States by increased federal funding for research that cuts across a broad spectrum of health conditions. The existence of mHealth and digital medicine also introduced new ethical and regulatory challenges that both institutional review boards (IRBs) and researchers are struggling to navigate...
February 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28111875/black-phosphorus-rediscovered-from-bulk-to-monolayer
#5
Rui Gusmao, Zdenek Sofer, Martin Pumera
Phosphorus is a non-metal with several allotropes, from the highly reactive white phosphorus to the thermodynamically stable black phosphorus (BP) with a puckered orthorhombic layered structure. The bulk form of BP was synthesized for the first time more than a century ago, in 1914, not receiving much attention until very recently rediscovered, in 2014, joining the new wave of 2D layered nanomaterials. BP can be exfoliated to a single sheet structure with tunable direct band, semiconducting, high carrier mobility at room temperature and in-plane anisotropic layered structure...
January 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28096446/the-rpn-yhga-like-proteins-of-escherichia-coli-k-12-and-their-contribution-to-reca-independent-horizontal-transfer
#6
Anthony W Kingston, Christine Ponkratz, Elisabeth A Raleigh
: Bacteria use a variety of DNA mobilizing enzymes to facilitate environmental niche adaptation via horizontal gene transfer. This has led to real world problems, like the spread of antibiotic resistance, yet many mobilization proteins remain undefined. Here, we investigate the uncharacterized family of YhgA-like "transposase_31" proteins (PF04754). Our primary focus was the genetic and biochemical properties of the five E. coli K-12 members of this family, which we designate RpnA-RpnE for recombination promoting nuclease...
January 17, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/27973626/electrokinetic-flows-in-liquid-crystal-thin-films-with-fixed-anchoring
#7
Christopher Conklin, Jorge Viñals
We study ionic and mass transport in a liquid crystalline fluid film in its nematic phase under an applied electrostatic field. Both analytic and numerical solutions are given for some prototypical configurations of interest in electrokinetics: thin films with spatially nonuniform nematic director that are either periodic or comprise a set of isolated disclinations. We present a quantitative description of the mechanisms inducing spatial charge separation in the nematic, and of the structure and magnitude of the resulting flows...
December 14, 2016: Soft Matter
https://www.readbyqxmd.com/read/27919379/understanding-latent-structures-of-clinical-information-logistics-a-bottom-up-approach-for-model-building-and-validating-the-workflow-composite-score
#8
Moritz Esdar, Ursula Hübner, Jan-David Liebe, Jens Hüsers, Johannes Thye
BACKGROUND AND PURPOSE: Clinical information logistics is a construct that aims to describe and explain various phenomena of information provision to drive clinical processes. It can be measured by the workflow composite score, an aggregated indicator of the degree of IT support in clinical processes. This study primarily aimed to investigate the yet unknown empirical patterns constituting this construct. The second goal was to derive a data-driven weighting scheme for the constituents of the workflow composite score and to contrast this scheme with a literature based, top-down procedure...
January 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/27886774/analysis-of-tricyclic-antidepressants-in-human-plasma-using-online-restricted-access-molecularly-imprinted-solid-phase-extraction-followed-by-direct-mass-spectrometry-identification-quantification
#9
Mariane Gonçalves Santos, Isabela Maria Campos Tavares, Adriano Francisco Barbosa, Jefferson Bettini, Eduardo Costa Figueiredo
The use of a new class of hybrid materials, called restricted access molecularly imprinted polymers (RAMIPs) seems to present a good strategy for the sample preparation of complex matrices, since these materials combine good protein elimination capacity with high degree selectivity. Mass spectrometers (MS) have been successfully used for polar drug identification and quantification. In order to combine the advantages of both RAMIPs and mass spectrometry, we proposed a study that joins these properties in a single system, where we could analyse tricyclic antidepressants from human plasma, without offline extraction or chromatographic separation...
January 15, 2017: Talanta
https://www.readbyqxmd.com/read/27801834/when-ultrasonic-sensors-and-computer-vision-join-forces-for-efficient-obstacle-detection-and-recognition
#10
Bogdan Mocanu, Ruxandra Tapu, Titus Zaharia
In the most recent report published by the World Health Organization concerning people with visual disabilities it is highlighted that by the year 2020, worldwide, the number of completely blind people will reach 75 million, while the number of visually impaired (VI) people will rise to 250 million. Within this context, the development of dedicated electronic travel aid (ETA) systems, able to increase the safe displacement of VI people in indoor/outdoor spaces, while providing additional cognition of the environment becomes of outmost importance...
October 28, 2016: Sensors
https://www.readbyqxmd.com/read/27748307/impact-of-community-based-health-insurance-in-rural-india-on-self-medication-financial-protection-of-the-insured
#11
David M Dror, Arpita Chakraborty, Atanu Majumdar, Pradeep Panda, Ruth Koren
BACKGROUND & OBJECTIVES: The evidence-base of the impact of community-based health insurance (CBHI) on access to healthcare and financial protection in India is weak. We investigated the impact of CBHI in rural Uttar Pradesh and Bihar s0 tates of India on insured households' self-medication and financial position. METHODS: Data originated from (i) household surveys, and (ii) the Management Information System of each CBHI. Study design was "staggered implementation" cluster randomized controlled trial with enrollment of one-third of the treatment group in each of the years 2011, 2012 and 2013...
June 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/27741411/nuclear-pten-interferes-with-binding-of-ku70-at-double-strand-breaks-through-post-translational-poly-adp-ribosyl-ation
#12
Jiawei Guan, Qian Zhao, Weifeng Mao
PTEN is a tumor suppressor gene characterized as a phosphatase that antagonizes the phosphatidylinositol 3-kinase signaling pathway in the cytoplasm. Nuclear PTEN plays roles in chromosomal stability, in which the double-strand breaks (DSB) repair mediated by homologous recombination (HR) and non-homologous end joining (NHEJ) is critical. Herein, the role of nuclear PTEN in DSB repair and the underlying molecular mechanism was investigated in this study. Using human breast cancer BT549 and MDA-MB-231 cell lines, we reveal a specific feature of PTEN that controls poly(ADP-ribosyl)ation of Ku70 and interferes with binding of Ku70 at DSB...
December 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27733511/assembly-and-transfer-of-tripartite-integrative-and-conjugative-genetic-elements
#13
Timothy L Haskett, Jason J Terpolilli, Amanuel Bekuma, Graham W O'Hara, John T Sullivan, Penghao Wang, Clive W Ronson, Joshua P Ramsay
Integrative and conjugative elements (ICEs) are ubiquitous mobile genetic elements present as "genomic islands" within bacterial chromosomes. Symbiosis islands are ICEs that convert nonsymbiotic mesorhizobia into symbionts of legumes. Here we report the discovery of symbiosis ICEs that exist as three separate chromosomal regions when integrated in their hosts, but through recombination assemble as a single circular ICE for conjugative transfer. Whole-genome comparisons revealed exconjugants derived from nonsymbiotic mesorhizobia received three separate chromosomal regions from the donor Mesorhizobium ciceri WSM1271...
October 12, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27723831/the-architectural-chromatin-factor-high-mobility-group-a1-enhances-dna-ligase-iv-activity-influencing-dna-repair
#14
Ilenia Pellarin, Laura Arnoldo, Silvia Costantini, Silvia Pegoraro, Gloria Ros, Carlotta Penzo, Gianluca Triolo, Francesca Demarchi, Riccardo Sgarra, Alessandro Vindigni, Guidalberto Manfioletti
The HMGA1 architectural transcription factor is an oncogene overexpressed in the vast majority of human cancers. HMGA1 is a highly connected node in the nuclear molecular network and the key aspect of HMGA1 involvement in cancer development is that HMGA1 simultaneously confers cells multiple oncogenic hits, ranging from global chromatin structural and gene expression modifications up to the direct functional alterations of key cellular proteins. Interestingly, HMGA1 also modulates DNA damage repair pathways...
2016: PloS One
https://www.readbyqxmd.com/read/27702897/real-time-analysis-of-rag-complex-activity-in-v-d-j-recombination
#15
Jennifer Zagelbaum, Noriko Shimazaki, Zitadel Anne Esguerra, Go Watanabe, Michael R Lieber, Eli Rothenberg
Single-molecule FRET (smFRET) and single-molecule colocalization (smCL) assays have allowed us to observe the recombination-activating gene (RAG) complex reaction mechanism in real time. Our smFRET data have revealed distinct bending modes at recombination signal sequence (RSS)-conserved regions before nicking and synapsis. We show that high mobility group box 1 (HMGB1) acts as a cofactor in stabilizing conformational changes at the 12RSS heptamer and increasing RAG1/2 binding affinity for 23RSS. Using smCL analysis, we have quantitatively measured RAG1/2 dwell time on 12RSS, 23RSS, and non-RSS DNA, confirming a strict RSS molecular specificity that was enhanced in the presence of a partner RSS in solution...
October 18, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27611239/lentivirus-mediated-correction-of-artemis-deficient-severe-combined-immunodeficiency
#16
Divya Punwani, Misako Kawahara, Jason Yu, Ukina Sanford, Sushmita Roy, Kiran Patel, Denise A Carbonaro, Andrea D Karlen, Sara Khan, Kenneth Cornetta, Michael Rothe, Axel Schambach, Donald B Kohn, Harry L Malech, R Scott McIvor, Jennifer M Puck, Morton J Cowan
During B and T lymphocyte maturation, V(D)J recombination is initiated by creation of DNA double-strand breaks. Artemis is an exonuclease essential for their subsequent repair by nonhomologous end-joining. Mutations in DCLRE1C, the gene encoding Artemis, cause T(-)B(-)NK(+) severe combined immunodeficiency (ART-SCID) and also confer heightened sensitivity to ionizing radiation and alkylating chemotherapy. Although allogeneic hematopoietic cell transplantation can treat ART-SCID, conditioning regimens are poorly tolerated, leading to early mortality and/or late complications, including short stature, endocrinopathies, and dental aplasia...
January 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/27492807/development-and-verification-of-a-mobile-shelter-assessment-system-rapid-assessment-system-of-evacuation-center-condition-featuring-gonryo-and-miyagi-rasecc-gm-for-major-disasters
#17
Tadashi Ishii, Masaharu Nakayama, Michiaki Abe, Shin Takayama, Takashi Kamei, Yoshiko Abe, Jun Yamadera, Koichiro Amito, Kazuma Morino
UNLABELLED: Introduction There were 5,385 deceased and 710 missing in the Ishinomaki medical zone following the Great East Japan Earthquake that occurred in Japan on March 11, 2011. The Ishinomaki Zone Joint Relief Team (IZJRT) was formed to unify the relief teams of all organizations joining in support of the Ishinomaki area. The IZJRT expanded relief activity as they continued to manually collect and analyze assessments of essential information for maintaining health in all 328 shelters using a paper-type survey...
October 2016: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/27478730/modeling-ghanaian-cocoa-farmers-decision-to-use-pesticide-and-frequency-of-application-the-case-of-brong-ahafo-region
#18
Elisha Kwaku Denkyirah, Elvis Dartey Okoffo, Derick Taylor Adu, Ahmed Abdul Aziz, Amoako Ofori, Elijah Kofi Denkyirah
Pesticides are a significant component of the modern agricultural technology that has been widely adopted across the globe to control pests, diseases, weeds and other plant pathogens, in an effort to reduce or eliminate yield losses and maintain high product quality. Although pesticides are said to be toxic and exposes farmers to risk due to the hazardous effects of these chemicals, pesticide use among cocoa farmers in Ghana is still high. Furthermore, cocoa farmers do not apply pesticide on their cocoa farms at the recommended frequency of application...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27446907/guardian-of-the-human-genome-host-defense-mechanisms-against-line-1-retrotransposition
#19
REVIEW
Yasuo Ariumi
Long interspersed element type 1 (LINE-1, L1) is a mobile genetic element comprising about 17% of the human genome, encoding a newly identified ORF0 with unknown function, ORF1p with RNA-binding activity and ORF2p with endonuclease and reverse transcriptase activities required for L1 retrotransposition. L1 utilizes an endonuclease (EN) to insert L1 cDNA into target DNA, which induces DNA double-strand breaks (DSBs). The ataxia-telangiectasia mutated (ATM) is activated by DSBs and subsequently the ATM-signaling pathway plays a role in regulating L1 retrotransposition...
2016: Frontiers in Chemistry
https://www.readbyqxmd.com/read/27437582/sliding-sleeves-of-xrcc4-xlf-bridge-dna-and-connect-fragments-of-broken-dna
#20
Ineke Brouwer, Gerrit Sitters, Andrea Candelli, Stephanie J Heerema, Iddo Heller, Abinadabe J de Melo, Hongshan Zhang, Davide Normanno, Mauro Modesti, Erwin J G Peterman, Gijs J L Wuite
Non-homologous end joining (NHEJ) is the primary pathway for repairing DNA double-strand breaks (DSBs) in mammalian cells. Such breaks are formed, for example, during gene-segment rearrangements in the adaptive immune system or by cancer therapeutic agents. Although the core components of the NHEJ machinery are known, it has remained difficult to assess the specific roles of these components and the dynamics of bringing and holding the fragments of broken DNA together. The structurally similar XRCC4 and XLF proteins are proposed to assemble as highly dynamic filaments at (or near) DSBs...
July 28, 2016: Nature
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