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https://www.readbyqxmd.com/read/28228714/narrative-organization-deficit-in-lewy-body-disorders-is-related-to-alzheimer-pathology
#1
Murray Grossman, David J Irwin, Charles Jester, Amy Halpin, Sharon Ash, Katya Rascovsky, Daniel Weintraub, Corey T McMillan
Background: Day-to-day interactions depend on conversational narrative, and we examine here the neurobiological basis for difficulty organizing narrative discourse in patients with Lewy body disorders (LBD). Method: Narrative organization was examined in 56 non-aphasic LBD patients, including a non-demented cohort (n = 30) with Parkinson's disease (PD) or PD-Mild Cognitive Impairment PD-MCI,) and a cohort with mild dementia (n = 26) including PD-dementia (PDD) and dementia with Lewy bodies (DLB), with similar age and education but differing in MMSE (p < 0...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28228202/the-effect-of-omentoplasty-on-the-rate-of-anastomotic-leakage-after-intestinal-resection-a-randomized-controlled-trial
#2
Shirzad Nasiri, Babak Mirminachi, Reyhaneh Taherimehr, Roya Shadbakhsh, Mohsen Hojat
Anastomotic leakage is a major postoperative complication after intestinal surgery leading to increased risk of morbidity and mortality. Omentoplasty has been evaluated to prevent anastomotic leakage in several studies. However, there is no consensus regarding whether or not omentoplasty should be used to decrease the rate of anastomotic leakage after intestinal resection. A prospective, randomized study was conducted to evaluate the influence of omentoplasty on anastomotic leakage after intestinal resection...
February 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28227157/meandered-conformai-antenna-for-ism-band-ingestible-capsule-communication-systems
#3
Md Shamsul Arefin, Jean-Michel Redoute, Mehmet Rasit Yuce, Md Shamsul Arefin, Jean-Michel Redoute, Mehmet Rasit Yuce, Jean-Michel Redoute
The wireless capsule has been used to measure physiological parameters in the gastrointestinal tract where communication from in-body to external receiver is necessary using a miniaturized antenna with high gain and onmidirectional radiation pattern. This paper presents a meandered conformal antenna with center frequency of 433 MHz for a wireless link between an in-body capsule system and an ex-body receiver system. The antenna is wrapped around the wireless capsule, which provides extra space for other circuits and sensors inside the capsule as well as allows it having larger dimensions compared to inner antennas...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224983/bacterial-physiology-wrapping-the-cell-in-a-coze-shell
#4
Adrien Ducret, Christophe Grangeasse
No abstract text is available yet for this article.
February 22, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28224481/not-all-choices-are-created-equal-task-relevant-choices-enhance-motor-learning-compared-to-task-irrelevant-choices
#5
Michael J Carter, Diane M Ste-Marie
Lewthwaite et al. (2015) reported that the learning benefits of exercising choice (i.e., their self-controlled condition) are not restricted to task-relevant features (e.g., feedback). They found that choosing one's golf ball color (Exp. 1) or choosing which of two tasks to perform at a later time plus which of two artworks to hang (Exp. 2) resulted in better retention than did being denied these same choices (i.e., yoked condition). The researchers concluded that the learning benefits derived from choice, whether irrelevant or relevant to the to-be-learned task, are predominantly motivational because choice is intrinsically rewarding and satisfies basic psychological needs...
February 21, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28224237/attempts-to-overcome-remyelination-failure-toward-opening-new-therapeutic-avenues-for-multiple-sclerosis
#6
REVIEW
Mahsa Motavaf, Majid Sadeghizadeh, Mohammad Javan
Multiple sclerosis (MS) is a chronic immune-mediated disorder of the central nervous system that results in destruction of the myelin sheath wrapped around the axons and eventual axon degeneration. The disease is pathologically heterogeneous; however, perhaps its most frustrating aspect is the lack of efficient regenerative response for remyelination. Current treatment strategies are based on anti-inflammatory or immunomodulatory medications that have the potential to reduce the numbers of newly evolving lesions...
February 21, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28224147/facile-synthesis-of-core-shell-nanostructured-hollow-carbon-nanospheres-nickel-cobalt-double-hydroxides-as-high-performance-electrode-materials-for-supercapacitors
#7
Juan Xu, Chaojie Ma, Jianyu Cao, Zhidong Chen
Core-shell nanostructured hollow carbon nanospheres@nickel cobalt double hydroxides (HCNs@NiCo-LDH) were fabricated using a facile hydrothermal method and investigated as high-performance electrode materials for supercapacitors. HCNs were acquired by a successive polymerization, carbonization and etching process, which was subsequently wrapped by ultrathin NiCo-LDH nanosheets. The HCNs@NiCo-LDH electrode achieved a high specific capacitance (2558 F g(-1) at 1 A g(-1)) and outstanding rate capability with 74...
February 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28224052/compacting-and-correcting-trinity-and-oases-rna-seq-de-novo-assemblies
#8
Cédric Cabau, Frédéric Escudié, Anis Djari, Yann Guiguen, Julien Bobe, Christophe Klopp
BACKGROUND: De novo transcriptome assembly of short reads is now a common step in expression analysis of organisms lacking a reference genome sequence. Several software packages are available to perform this task. Even if their results are of good quality it is still possible to improve them in several ways including redundancy reduction or error correction. Trinity and Oases are two commonly used de novo transcriptome assemblers. The contig sets they produce are of good quality. Still, their compaction (number of contigs needed to represent the transcriptome) and their quality (chimera and nucleotide error rates) can be improved...
2017: PeerJ
https://www.readbyqxmd.com/read/28219848/bioelectronic-neuromodulation-of-the-paravertebral-cardiac-efferent-sympathetic-outflow-and-its-effect-on-ventricular-electrical-indices
#9
Una Buckley, Ray W Chui, Pradeep S Rajendran, Tina Vrabec, Kalyanam Shivkumar, Jeffrey L Ardell
INTRODUCTION: Neuromodulation of the paravertebral ganglia, using symmetric voltage controlled kilohertz frequency alternating current (KHFAC), has the potential to be a reversible alternative to surgical intervention in patients with refractory ventricular arrhythmias. KHFAC creates scalable focal inhibition of action potential conduction. OBJECTIVE: To evaluate the efficacy of KHFAC, when applied to T1-T2 paravertebral chain, to mitigate sympathetic outflow to the heart...
February 17, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28218962/survey-of-neonatal-resuscitation-practices-showed-post-training-improvements-but-need-to-reinforce-preterm-management-monitoring-and-adrenaline-use
#10
Montserrat Izquierdo, Martín Iriondo, César Ruiz, Gonzalo Zeballos, Miguel Sánchez, Eva Gonzalez, Máximo Vento, Marta Thió
AIM: Neonatal resuscitation surveys have showed practice variations between countries, centres and levels of care. We evaluated delivery room practices after a nationwide neonatal resuscitation training programme focused on non-tertiary centres. METHODS: A 2012 survey sent to all Spanish hospitals handling deliveries covered staff availability and training, equipment and practices in the delivery room and during transfers to neonatal intensive care units. The results from 98 centres that had completed a previous survey in 2007 were analysed by levels of care...
February 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28216290/two-years-of-experience-with-robot-assisted-anti-reflux-surgery-a-retrospective-cohort-study
#11
Jonas Sanberg Jensen, Henning Kold Antonsen, Jesper Durup
BACKGROUND AND AIMS: Robot-assisted anti-reflux surgery (RAAS) is an alternative to conventional laparoscopic anti-reflux surgery (CLAS). The purpose of this study was to evaluate initial Danish experiences with robot-assisted anti-reflux surgery compared to conventional laparoscopic anti-reflux surgery incorporating follow-up and evaluation of possible learning curve. MATERIAL AND METHODS: Patients undergoing primary RAAS or CLAS at The Department of Surgery A, Odense University Hospital and The Department of General Surgery, Kolding Hospital from April 2013 to April 2015 was included...
February 13, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28213234/dna-wrapped-multi-walled-carbon-nanotube-modified-electrochemical-biosensor-for-the-detection-of-escherichia-coli-from-real-samples
#12
Dilsat Ozkan-Ariksoysal, Yasin Ugur Kayran, Fethiye Ferda Yilmaz, Anton Alexandru Ciucu, Iulia Gabriela David, Vasile David, Mine Hosgor-Limoncu, Mehmet Ozsoz
This paper introduces DNA-wrapped multi-walled carbon nanotube (MWCNT)-modified genosensor for the detection of Escherichia coli (E. coli) from polymerase chain reaction (PCR)-amplified real samples while Staphylococcus aureus (S. aureus) was used to investigate the selectivity of the biosensor. The capture probe specifically recognizing E. coli DNA and it was firstly interacted with MWCNTs for wrapping of single-stranded DNA (ssDNA) onto the nanomaterial. DNA-wrapped MWCNTs were then immobilised on the surface of disposable pencil graphite electrode (PGE) for the detection of DNA hybridization...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213174/evidence-of-the-presence-of-a-calmodulin-sensitive-plasma-membrane-ca-2-atpase-in-trypanosoma-equiperdum
#13
María Carolina Pérez-Gordones, José Rubén Ramírez-Iglesias, Vincenza Cervino, Graciela L Uzcanga, Gustavo Benaim, Marta Mendoza
Trypanosoma equiperdum belongs to the subgenus Trypanozoon, which has a significant socio-economic impact by limiting animal protein productivity worldwide. Proteins involved in the intracellular Ca(2+) regulation are prospective chemotherapeutic targets since several drugs used in experimental treatment against trypanosomatids exert their action through the disruption of the parasite intracellular Ca(2+) homeostasis. Therefore, the plasma membrane Ca(2+)-ATPase (PMCA) is considered as a potential drug target...
February 14, 2017: Molecular and Biochemical Parasitology
https://www.readbyqxmd.com/read/28211361/bias-dependent-spectral-tuning-in-inp-nanowire-based-photodetectors
#14
Vishal Jain, Magnus Heurlin, Mohammad Karimi, Laiq Hussain, Mahtab Aghaeipour, Ali Nowzari, Alexander Berg, Gustav Nylund, Federico Capasso, Lars Samuelson, Magnus T Borgström, Håkan Pettersson
Nanowire array ensembles contacted in a vertical geometry are extensively studied and considered strong candidates for next generations of industrial scale optoelectronics. Key challenges in this development deal with optimization of the doping profile of the nanowires and the interface between nanowires and transparent top contact. Here we report on photodetection characteristics associated with doping profile variations in InP nanowire array photodetectors. Bias-dependent tuning of the spectral shape of the responsivity is observed which is attributed to a Schottky-like contact at the nanowire-ITO interface...
March 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28210970/a-suspended-carbon-fiber-culture-to-model-myelination-by-human-schwann-cells
#15
Antonio Merolli, Yong Mao, Joachim Kohn
Understanding of myelination/remyelination process is essential to guide tissue engineering for nerve regeneration. In vitro models currently used are limited to cell population studies and cannot easily identify individual cell contribution to the process. We established a novel model to study the contribution of human Schwann cells to the myelination process. The model avoids the presence of neurons in culture; Schwann cells respond solely to the biophysical properties of an artificial axon. The model uses a single carbon fiber suspended in culture media far from the floor of the well...
April 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28208092/microscopic-evidence-for-humic-acid-induced-changes-in-lead-immobilization-by-phosphate-in-a-counterdiffusion-system
#16
Mei Wang, Zhuo Zhang, Jie Ren, Chao Zhang, Chunping Li, Guanlin Guo, Fasheng Li
Abatement of lead (Pb) contamination in soil via chemical immobilization can reduce potential risks but is influenced by soil organic matter. The aim of this study was to observe and understand the influence of organic matter on Pb immobilization by phosphate. For this purpose, humic acid (HA) was introduced into a counterdiffusion system to mimic ionic reactions of the mineralization processes between the pollutant (Pb) and amendment agent (phosphate) in soil system, and were characterized jointly by in situ optical microscopy and ex situ XRD, SEM, TEM, and LSCM...
February 7, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28205479/finger-trauma-due-to-surfing-a-case-series-and-analysis-of-fracture-patterns
#17
A C J Ruijs, L C Langenberg, J Rezzouk
BACKGROUND: The purpose of this study is to research the type of lesions to the hand and fingers in the sport of surfing. METHODS: All surfing related hand injuries reported to our hospital between January 2008 and September 2015 were analyzed. RESULTS: Thirty-seven patient files held a clear description of a trauma related to the surf sport. We found three finger sprains, five wounds needing suture, including one digital nerve lesion and one ring finger with flexor tendon injury, three fingertip amputations and twenty-six digital fractures...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28205468/vascularized-medial-femoral-condyle-bone-graft-for-resistant-nonunion-of-the-distal-radius
#18
Mark Henry
BACKGROUND: Nonunion involving the metaphyseal region of the distal radius is exceedingly rare, usually involving co-morbidity. Patients that have failed multiple prior conventional surgical interventions represent an even more difficult subset to treat; this investigation examined the utility of a specially designed free vascularized medial femoral condyle flap consisting of a central structural block graft with an extended corticoperiosteal sleeve to wrap around the junctions. METHODS: Six patients (5 males, 1 female) with a mean age of 52 years had failed to achieve union involving the distal radius metaphysis after a mean of 3...
March 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28204899/three-dimensional-ultrastructure-of-feeding-tubes-and-interconnected-endoplasmic-reticulum-in-root-knot-nematode-induced-giant-cells-in-rose-balsam
#19
Nao Miyashita, Hironori Koga
We investigated the three-dimensional ultrastructure of feeding tubes and the surrounding region in giant cells induced in rose balsam (Impatiens balsamina L.) roots by the root-knot nematode Meloidogyne incognita, using osmium maceration coupled with field emission scanning electron microscopy (FE-SEM). In the roots of 35-day-old galled rose balsam plants, adult nematodes induced the formation of giant cells containing feeding tubes and numerous organelles, including tubular endoplasmic reticulum (ER), cisternal ER, and mitochondria...
February 15, 2017: Protoplasma
https://www.readbyqxmd.com/read/28204854/adsorption-of-dna-binding-proteins-to-functionalized-carbon-nanotube-surfaces-with-and-without-dna-wrapping
#20
Yu Ishibashi, Shusuke Oura, Kazuo Umemura
We examined the adsorption of DNA binding proteins on functionalized, single-walled carbon nanotubes (SWNTs). When SWNTs were functionalized with polyethylene glycol (PEG-SWNT), moderate adsorption of protein molecules was observed. In contrast, nanotubes functionalized with CONH2 groups (CONH2-SWNT) exhibited very strong interactions between the CONH2-SWNT and DNA binding proteins. Instead, when these SWNT surfaces were wrapped with DNA molecules (thymine 30-mers), protein binding was a little decreased. Our results revealed that DNA wrapped PEG-SWNT was one of the most promising candidates to realize DNA nanodevices involving protein reactions on DNA-SWNT surfaces...
February 15, 2017: European Biophysics Journal: EBJ
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