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https://www.readbyqxmd.com/read/29786661/suspended-carbon-nanotubes-for-humidity-sensing
#1
Shivaram Arunachalam, Anubha A Gupta, Ricardo Izquierdo, Frederic Nabki
A room temperature microfabrication technique using SU8, an epoxy-based highly functional photoresist as a sacrificial layer, is developed to obtain suspended aligned carbon nanotube beams. The humidity-sensing characteristics of aligned suspended single-walled carbon nanotube films are studied. A comparative study between suspended and non-suspended architectures is done by recording the resistance change in the nanotubes under humidity. For the tests, the humidity was varied from 15% to 98% RH. A comparative study between suspended and non-suspended devices shows that the response and recovery times of the suspended devices was found to be almost 3 times shorter than the non-suspended devices...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29785398/marker-assisted-introgression-of-saltol-qtl-enhances-seedling-stage-salt-tolerance-in-the-rice-variety-pusa-basmati-1
#2
Vivek Kumar Singh, Brahma Deo Singh, Amit Kumar, Sadhna Maurya, Subbaiyan Gopala Krishnan, Kunnummal Kurungara Vinod, Madan Pal Singh, Ranjith Kumar Ellur, Prolay Kumar Bhowmick, Ashok Kumar Singh
Marker-assisted selection is an unequivocal translational research tool for crop improvement in the genomics era. Pusa Basmati 1 (PB1) is an elite Indian Basmati rice cultivar sensitive to salinity. Here, we report enhanced seedling stage salt tolerance in improved PB1 genotypes developed through marker-assisted transfer of a major QTL, Saltol . A highly salt tolerant line, FL478, was used as the Saltol donor. Parental polymorphism survey using 456 microsatellite (SSR)/QTL-linked markers revealed 14.3% polymorphism between PB1 and FL478...
2018: International Journal of Genomics
https://www.readbyqxmd.com/read/29784961/sarcodon-imbricatus-polysaccharides-improve-mouse-hematopoietic-function-after-cyclophosphamide-induced-damage-via-g-csf-mediated-jak2-stat3-pathway
#3
Xue Wang, Qiubo Chu, Xue Jiang, Yue Yu, Libian Wang, Yaqi Cui, Jiahui Lu, Lirong Teng, Di Wang
Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction. We found that SIPS induced proliferation and differentiation of CHRF and K562 cells and upregulated the expression of hematopoietic-related proteins, including p90 ribosomal S6 kinases (RSK1p90), c-Myc, and ETS transcription factor, in the two cell lines...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29784507/in-hospital-length-of-stay-after-major-surgical-oncological-procedures
#4
Sebastiano Nazzani, Felix Preisser, Elio Mazzone, Zhe Tian, Francesco A Mistretta, Shahrokh F Shariat, Fred Saad, Markus Graefen, Derya Tilki, Emanuele Montanari, Stefano Luzzago, Alberto Briganti, Luca Carmignani, Pierre I Karakiewicz
BACKGROUND AND OBJECTIVES: Enhanced recovery after surgery protocols (ERAS) have been developed and implemented as of 2001. However, no previous analyses targeted length of stay (LOS) changes over time after major surgical oncological procedures (MSOPs). METHODS: Between 2003 and 2013, we retrospectively identified patients, who underwent prostatectomy, colectomy, cystectomy, mastectomy, gastrectomy, hysterectomy, nephrectomy, oophorectomy, lung resection or pancreatectomy within the Nationwide Inpatient Sample...
May 9, 2018: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29782989/nadph-oxidase-2-deletion-enhances-neurogenesis-following-traumatic-brain-injury
#5
Jing Wang, Merry W Ma, Krishnan M Dhandapani, Darrell W Brann
The NADPH oxidase (NOX) enzyme family is a major source of reactive oxygen species (ROS) and contributor to the secondary pathology underlying traumatic brain injury (TBI). However, little is known about how NOX-derived ROS influences the proliferation and cell-fate determination of neural stem/progenitor cells (NSCs/NPCs) following TBI. In the current study, we found that deletion of NOX2 (NOX2-KO) significantly decreases the population of radial glia-like NSCs and neuroblasts but maintains the population of non-radial Sox2 expressing stem cells under physiological (non-injury) conditions...
May 18, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29782405/the-impact-of-anesthesia-influenced-process-measure-compliance-on-length-of-stay-results-from-an-enhanced-recovery-after-surgery-for-colorectal-surgery-cohort
#6
Michael C Grant, Claro M Pio Roda, Joseph K Canner, Philip Sommer, Daniel Galante, Deborah Hobson, Susan Gearhart, Christopher L Wu, Elizabeth Wick
BACKGROUND: Process measure compliance has been associated with improved outcomes in enhanced recovery after surgery (ERAS) programs. Herein, we sought to assess the impact of compliance with measures directly influenced by anesthesiology in an ERAS for colorectal surgery cohort. METHODS: From January 2013 to April 2015, data from 1140 consecutive patients were collected for all patients before (pre-ERAS) and after (ERAS) implementation of an ERAS program. Compliance with 9 specific process measures directly influenced by the anesthesiologist or acute pain service was analyzed to determine the impact on hospital length of stay (LOS)...
May 17, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29782242/case-254-posttraumatic-migrating-fat-embolus-causing-fat-emboli-syndrome
#7
Sébastien Molière, Stéphane Kremer, Guillaume Bierry
History An otherwise healthy 18-year-old man was admitted to the emergency department with a closed displaced fracture of the left femoral shaft ( Fig 1 ) after a high-velocity motorbike accident. At admission, other physical examination findings were unremarkable. Initial unenhanced and contrast material-enhanced (120 mL of Iomeron 400; Bracco Imaging, Milan, Italy) computed tomography (CT) was performed in the arterial and venous phases from the head to the knees. No abnormalities were noted in the brain or chest at initial CT...
June 2018: Radiology
https://www.readbyqxmd.com/read/29780173/land-use-in-mountain-grasslands-alters-drought-response-and-recovery-of-carbon-allocation-and-plant-microbial-interactions
#8
Stefan Karlowsky, Angela Augusti, Johannes Ingrisch, Roland Hasibeder, Markus Lange, Sandra Lavorel, Michael Bahn, Gerd Gleixner
Mountain grasslands have recently been exposed to substantial changes in land use and climate and in the near future will likely face an increased frequency of extreme droughts. To date, how the drought responses of carbon (C) allocation, a key process in the C cycle, are affected by land-use changes in mountain grassland is not known.We performed an experimental summer drought on an abandoned grassland and a traditionally managed hay meadow and traced the fate of recent assimilates through the plant-soil continuum...
May 2018: Journal of Ecology
https://www.readbyqxmd.com/read/29779809/identification-of-core-items-in-the-enhanced-recovery-pathway
#9
Marco Braga, Marco Scatizzi, Felice Borghi, Giancarlo Missana, Danilo Radrizzani, Marco Gemma
BACKGROUND & AIMS: The Enhanced Recovery After Surgery (ERAS) pathway represents an optimal approach in patients undergoing colorectal surgery but complexity in implementing its items could limit its application. The aim of this study is to identify possible core items within an ERAS pathway following elective colorectal resection. METHODS: This is a retrospective review of data prospectively collected between January 2014 and September 2015 by 14 Italian Hospitals in an electronic registry dedicated to an ERAS protocol...
June 2018: Clinical Nutrition ESPEN
https://www.readbyqxmd.com/read/29779305/-expert-consensus-on-standardized-processes-of-ambulatory-biliary-surgery-2018-edition
#10
(no author information available yet)
The definition of ambulatory surgery is that the patient is admitted, operated and discharged within a day (24 hours) , but does not include outpatient surgery. It can shorten the average hospital stay, reduce medical expenses, accelerate the recovery of patients, and has been approved to have great social and economic benefits.The main contents of this consensus include: (1)the establishment of ambulatory biliary surgery system, which involves the facilities building, team building, the construction of management systems, operation management, operation state analysis and benefit evaluation; (2)Patient selection criteria, pre-hospital assessment, surgical scheduling, preoperative education, anesthesia and management of adverse reactions after anesthesia, intraoperative application of general surgical principles and postoperative emergency plans, perioperative nursing; (3)Discharge criteria and pre-discharge assessment, post-discharge follow-up and rehabilitation guidance; (4) quality and safety control index system of ambulatory biliary surgery...
May 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29778839/spermidine-mediated-hydrogen-peroxide-signaling-enhances-the-antioxidant-capacity-of-salt-stressed-cucumber-roots
#11
Jianqiang Wu, Sheng Shu, Chengcheng Li, Jin Sun, Shirong Guo
Hydrogen peroxide (H2 O2 ) is a key signaling molecule that mediates a variety of physiological processes and defense responses against abiotic stress in higher plants. In this study, our aims are to clarify the role of H2 O2 accumulation induced by the exogenous application of spermidine (Spd) to cucumber (Cucumis sativus) seedlings in regulating the antioxidant capacity of roots under salt stress. The results showed that Spd caused a significant increase in endogenous polyamines and H2 O2 levels, and peaked at 2 h after salt stress...
May 5, 2018: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29778553/effects-of-non-thermal-plasma-on-sandblasted-titanium-dental-implants-in-beagle-dogs
#12
Yi-Wen Hung, Hui-Ling Chen, Li-Tsu Lee, Kwong-Chung Tung, Da-Tain Bau, Yong-Kie Wong
BACKGROUND: In this study, we investigated the effects of treating dental implants made from titanium with argon based non-thermal plasma, immediately before insertion on implant stability and bone formation. Biodegradable sandblasting and acid etching had been previously used to modify the surface of the implants. METHODS: To obtain data for 4-time points in triplicate with references, a total of 36 dental implants were divided into 2 groups; 18 implants served as the experimental group and received a spray containing non-thermal plasma, while the other 18 implants served as controls...
May 16, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29778523/local-immunomodulation-with-anti-inflammatory-cytokine-encoding-lentivirus-enhances-functional-recovery-after-spinal-cord-injury
#13
Jonghyuck Park, Joseph T Decker, Daniel J Margul, Dominique R Smith, Brian J Cummings, Aileen J Anderson, Lonnie D Shea
Trauma to the spinal cord and associated secondary inflammation can lead to permanent loss of sensory and motor function below the injury level, with the resulting environment serving as a barrier that limits regeneration. In this study, we investigate the localized expression of anti-inflammatory cytokines IL-10 and IL-4 via lentiviral transduction in multichannel bridges. Porous multichannel bridges provide physical guidance for axonal outgrowth with the cytokines hypothesized to modulate the neuroinflammatory microenvironment and enhance axonal regeneration...
April 27, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29778441/hypoxic-postconditioning-enhances-functional-recovery-following-endothelin-1-induced-middle-cerebral-artery-occlusion-in-conscious-rats
#14
Hong L Nguyen, Alexander M Ruhoff, Thomas Fath, Nicole M Jones
Stroke is a leading cause of death and a major contributor to neurological disability in adults. Tissue plasminogen activator is the only approved treatment. However, due to its narrow therapeutic window, <5% of patients receive treatment. Recently, hypoxic postconditioning (HPC) was shown to reduce stroke induced-injury in mice, but the mechanisms and functional outcomes are still unknown. In the current study, male Sprague Dawley rats were subjected to endothelin-1 induced stroke. HPC (8% O2 , 1 h/d for 5d) or normoxia treatments were started 24 h after stroke...
May 17, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29778239/time-dependent-changes-in-cardiorespiratory-functions-of-anesthetized-rats-exposed-to-sustained-hypoxia
#15
Kouki Kato, Ryosuke Morinaga, Seigo Fushuku, Nobuaki Nakamuta, Yoshio Yamamoto
Although cardiovascular responses may be altered by respiratory changes under prolonged hypoxia, the relationship between respiratory and cardiovascular changes remains unknown. The aim of the present study is to clarify cardiorespiratory changes in anesthetized rats during and after hypoxic conditions using simultaneous recordings of cardiorespiratory variables with 20-sec recording intervals. After air breathing for 20 min (pre-exposure period), rats were subjected to 10% O2 for 2 h (hypoxic exposure period) and then air for 30 min (recovery period)...
July 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29777525/preconcentration-and-determination-of-trace-nickel-and-cobalt-in-milk-based-samples-by-ultrasound-assisted-cloud-point-extraction-coupled-with-flame-atomic-absorption-spectrometry
#16
Nuket Kartal Temel, Kadriye Sertakan, Ramazan Gürkan
In this study, ultrasound-assisted cloud point extraction (UA-CPE) method was developed for the determination of Ni(II) and Co(II) in milk-based products. After extraction and preconcentration, the Ni(II) and Co(II) contents of samples were determined by flame atomic absorption spectrometry (FAAS). After their complexation with hydroxy naphthol blue (HNB) in the presence of cationic surfactant, CTAB at pH 4.0, the Ni(II) and Co(II) were taken within the micellar phase of nonionic surfactant, TX-114. The micellar phase containing the analytes were diluted to a volume of 0...
May 18, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29777454/improved-outcomes-in-394-pancreatic-cancer-resections-the-impact-of-enhanced-recovery-pathway
#17
Vandana Agarwal, Martin Jose Thomas, Riddhi Joshi, Vikram Chaudhari, Manish Bhandare, Abhishek Mitra, Ashwin deSouza, Reshma Ambulkar, Shailesh V Shrikhande
BACKGROUND: Enhanced recovery (ER) pathway reduces morbidity and accelerates recovery. It is associated with reduced postoperative stay, morbidity, and costs. Feasibility and safety of ER programme has not been studied in developing countries. The objectives were to assess compliance with Enhanced Recovery After Surgery (ERAS) elements and to assess outcomes in pancreatic surgery. METHODS: Prospective study conducted from February 2014 to December 2016, following elective pancreatic cancer surgery...
May 18, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29776424/impaired-cd8-t-cell-antiviral-immunity-following-acute-spinal-cord-injury
#18
Diana M Norden, John R Bethea, Jiu Jiang
BACKGROUND: Spinal cord injury (SCI) disrupts essential neuroimmune communication, leading to severe immune depression. Previous studies confirmed immune dysfunction in mice with chronic SCI and following high thoracic level injury where sympathetic innervation of the spleen is disrupted. Here, we induced a mid-thoracic injury where integrity of the sympathetic response is maintained and investigated the antiviral T cell response to influenza virus after acute SCI. METHODS: One week following a contusion SCI at thoracic level T9, mice were infected intranasally with influenza virus...
May 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29775645/mesenchymal-stromal-cells-induce-a-permissive-state-in-the-bone-marrow-that-enhances-g-csf-induced-hematopoietic-stem-cell-mobilization-in-mice
#19
Evert-Jan F M de Kruijf, Rob Zuijderduijn, Marjolein C Stip, Willem E Fibbe, Melissa van Pel
Mesenchymal stromal cells (MSC) support hematopoietic stem cells (HSC) in vivo and enhance HSC engraftment and hematopoietic recovery upon co-transplantation with HSC. These data have led to the hypothesis that MSC may impact the HSC niche, leading to changes in HSC retention and trafficking. We studied the effect of MSC administration on the HSC compartment in the bone marrow (BM) in mice. Following injection of MSC, HSC numbers in the BM were decreased coinciding with an increased cell cycle activity compared to PBS-injected controls...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29775564/the-antibody-rhigm22-facilitates-hippocampal-remyelination-and-ameliorates-memory-deficits-in-the-cuprizone-mouse-model-of-demyelination
#20
Charlene Cui, Jing Wang, Ariana P Mullin, Anthony O Caggiano, Tom J Parry, Raymond W Colburn, Elias Pavlopoulos
Multiple sclerosis (MS) is a chronic, inflammatory demyelinating disease of the CNS. In addition to motor, sensory and visual deficits, MS is also characterized by hippocampal demyelination and memory impairment. We recently demonstrated that a recombinant human-derived monoclonal IgM antibody, which is designated rHIgM22 and currently in clinical development for people with MS, accelerates remyelination of the corpus callosum in the brains of cuprizone-treated mice. Here, we investigated the effects of rHIgM22 in the hippocampus and on hippocampal-dependent learning and memory in the same mouse model of cuprizone-induced demyelination and spontaneous remyelination...
May 15, 2018: Brain Research
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