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https://www.readbyqxmd.com/read/29166709/-effects-of-dexmedetomidine-on-myocardium-of-rats-with-severe-burn-at-early-stage
#1
D Wang, P L Yang, X Zhang, Y Liu
Objective: To investigate the effects of dexmedetomidine on myocardium of rats at early stage after severe burn. Methods: Twenty specific pathogen free male SD rats were immersed in 90 ℃ hot water for 20 s, causing 30% total body surface area (TBSA) full-thickness scald (hereafter referred to as burn) on the back. And then they were divided into burn resuscitation group (BR) and burn resuscitation+ dexmedetomidine group (BRD) according to the random number table, with 10 rats in each group. Sodium lactate Ringer's solution (2 mL·kg(-1)·%TBSA(-1)) were intraperitoneally injected into rats of both groups after burn...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166634/sodium-prescription-in-the-prevention-of-intradialytic-hypotension-new-insights-into-an-old-concept
#2
Gabriele Donati, Mauro Ursino, Alessandra Spazzoli, Nicolò Natali, Roberto Schillaci, Diletta Conte, Andrea Angeletti, Anna Laura Croci Chiocchini, Irene Capelli, Olga Baraldi, Gaetano La Manna
BACKGROUND: Sodium prescription in patients with intradialytic hypotension remains a challenge for the attending nephrologist, as it increases dialysate conductivity in hypotension-prone patients, thereby adding to dietary sodium levels. METHODS: New sodium prescription strategies are now available, including the use of a mathematical model to compute the sodium mass to be removed during dialysis as a physiological controller. RESULTS: This review describes the sodium load of patients with end-stage renal disease on chronic hemodialysis (HD) and discusses 2 strategies to remove excess sodium in patients prone to intradialytic hypotension, namely, Profiled HD and the hemodiafiltration Aequilibrium System...
November 23, 2017: Blood Purification
https://www.readbyqxmd.com/read/29166575/chemical-characterization-and-pharmacological-assessment-of-cashew-gum-extract-anacardium-occidentale-l-polysaccharide-free
#3
Daiany Priscilla Bueno da Silva, Iziara Ferreira Florentino, Lorrane Kelle da Silva Moreira, Adriane Ferreira Brito, Verônica Vale Carvalho, Géssica Adriana Vasconcelos, Boniek Gontijo Vaz, Marcus Antônio Pereira-Junior, Kátia Flávia Fernandes, Elson Alves Costa
ETHNOPHARMACOLOGICAL RELEVANCE: The cashew gum (Anacardium occidentale L.) is used in Brazilian traditional medicine in the treatment of inflammatory conditions, asthma, diabetes, and gastrointestinal disturbs. AIM OF THE STUDY: The present study was aimed the chemical characterization and the investigation of the antinociceptive and anti-inflammatory activities of cashew gum aqueous extract without the presence of polysaccharides in its composition (CGE). MATERIALS AND METHODS: The CGE was obtained after precipitation and removal of polysaccharides using acetone...
November 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29166305/botulinum-toxin-therapy-is-syringe-type-related-to-cost-effectiveness
#4
Mark Anthony Foglietti, Lauren Wright, Alanna Foglietti-Fostyk
INTRODUCTION: Clostridium botulinum toxin is effective through cleaving presynaptic proteins at the neuromuscular junction, which prevents the release of acetylcholine and inhibits muscle contraction. Several serotypes of botulinum toxin (BT) exist; however, only 2 types have been approved by the US Food and Drug Administration for commercial and medical use, A and B. Both types of BT must be administered intramuscularly with a syringe, but the type of syringe is the injector's preference...
November 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29166247/does-sodium-knowledge-affect-dietary-choices-and-health-behaviors-results-from-a-survey-of-los-angeles-county-residents
#5
George Dewey, Ranjana N Wickramasekaran, Tony Kuo, Brenda Robles
INTRODUCTION: In 2010, the Los Angeles County Department of Public Health launched a local sodium-reduction initiative to address the rising prevalence of high blood pressure (hypertension) and related cardiovascular conditions in the population. To inform this effort, we evaluated self-reported knowledge and health behaviors related to sodium intake among Los Angeles County residents. METHODS: We administered 3 cross-sectional Internet panel surveys on knowledge about dietary sodium to a sample of Los Angeles County adults, at intervals from December 2014 through August 2016...
November 22, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/29165885/the-association-between-the-dosage-of-sglt2-inhibitor-and-weight-reduction-in-type-2-diabetes-patients-a-meta-analysis
#6
Xiaoling Cai, Wenjia Yang, Xueying Gao, Yifei Chen, Lingli Zhou, Simin Zhang, Xueyao Han, Linong Ji
OBJECTIVE: Sodium glucose cotransporter 2 (SGLT2) inhibitors may induce urinary glucose excretion via the inhibition of renal glucose reabsorption, improve glycemic control, and lower body weight. The aim of this meta-analysis was to evaluate weight changes in patients who received different dosages of SGLT2 inhibitors. METHODS: Overall, 55 placebo-controlled trials were included. RESULTS: The results indicated that treatment with 2.5 mg, 5 mg, 10 mg, and 20 mg of dapagliflozin led to significant decreases in body weight compared with a placebo (weighted mean difference [WMD], -1...
November 22, 2017: Obesity
https://www.readbyqxmd.com/read/29165390/comparison-of-anionic-cationic-and-nonionic-surfactants-as-dispersing-agents-for-graphene-based-on-the-fluorescence-of-riboflavin
#7
Rocío Mateos, Soledad Vera, Mercedes Valiente, Ana María Díez-Pascual, María Paz San Andrés
Fluorescence quenching is a valuable tool to gain insight about dynamic changes of fluorophores in complex systems. Graphene (G), a single-layered 2D nanomaterial with unique properties, was dispersed in surfactant aqueous solutions of different nature: non-ionic polyoxyethylene-23-lauryl ether (Brij L23), anionic sodium dodecylsulphate (SDS), and cationic hexadecyltrimethylammonium bromide (CTAB) and dodecyltrimethylammonium bromide (DTAB). The influence of the surfactant type, chain length and concentration, G total concentration and G/surfactant weight ratio on the fluorescence intensity of vitamin B₂ (riboflavin) was investigated...
November 22, 2017: Nanomaterials
https://www.readbyqxmd.com/read/29165327/effects-of-dl-3-n-butylphthalide-on-cerebral-ischemia-infarction-in-rat-model-by-mass-spectrometry-imaging
#8
Run-Zhe Liu, Chao-Xin Fan, Zhi-Lin Zhang, Xin Zhao, Yi Sun, Hui-Hui Liu, Zong-Xiu Nie, Xiao-Ping Pu
Dl-3-n-butylphthalide (NBP) is a drug that is used in the treatment of ischaemic stroke. However, to the best of our knowledge, there are no systematic studies investigating the effects of dl-3-n-butylphtalide on the brain metabolism of small molecules. In this study, we first investigated the effects of dl-3-n-butylphthalide on the spatial distribution of small molecules in the brains of rats with permanent middle cerebral artery occlusion (pMCAO) using matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF-MS) imaging...
November 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29165135/potential-predictors-of-susceptibility-to-occupational-stress-in-japanese-novice-nurses-a-pilot-study
#9
Shinobu Okita, Satoshi Daitoku, Masaharu Abe, Emi Arimura, Hitoshi Setoyama, Chihaya Koriyama, Miharu Ushikai, Hiroaki Kawaguchi, Masahisa Horiuchi
BACKGROUND: Occupational stress is a known factor behind employee resignations; thus, early identification of individuals prone to such stress is important. Accordingly, in this pilot study we evaluated potential predictors of susceptibility to occupational stress in Japanese novice nurses. METHODS: Forty-two female novice nurses at Kagoshima University Hospital were recruited for the study population. Each underwent physical health and urinary examinations, and completed a lifestyle questionnaire at the time of job entry...
April 4, 2017: Environmental Health and Preventive Medicine
https://www.readbyqxmd.com/read/29165078/pharmaceutical-product-lead-optimization-for-better-in-vivo-bioequivalence-performance-a-case-study-of-diclofenac-sodium-extended-release-matrix-tablets
#10
Aliasgar Shahiwala, Aisha Zarar
BACKGROUND: In order to prove the validity of a new formulation, a considerable amount of efforts is required to study bioequivalence, not only increases the burden of carrying out a number of bioequivalence studies but eventually increase the cost of the optimization process. OBJECTIVE: The aim of the present study was to develop sustained release matrix tablets containing diclofenac sodium using natural polymers and to demonstrate step by step process of product development till the prediction of in vivo marketed product equivalence of the developed product...
November 20, 2017: Current Drug Delivery
https://www.readbyqxmd.com/read/29164898/ionic-solution-what-goes-right-and-wrong-with-continuum-solvation-modeling
#11
Changhao Wang, Pengyu Ren, Ray Luo
Solvent-mediated electrostatic interactions were well recognized to be important in the structure and function of molecular systems. Ionic interaction is an important component in electrostatic interactions, especially in highly charged molecules, such as nucleic acids. Here we focus on the quality of the widely used PBSA continuum models in modeling ionic interactions by comparing with both explicit solvent simulations and experiment. In this work, the molality-dependent chemical potentials for sodium chloride (NaCl) electrolyte were first simulated in the SPC/E explicit solvent...
November 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29164850/exploring-highly-reversible-1-5-electron-reactions-v3-v4-v5-in-na3vcr-po4-3-cathode-for-sodium-ion-batteries
#12
Rui Liu, Guiliang Xu, Qi Li, Shiyao Zheng, Guorui Zheng, Zhengliang Gong, Yixiao Li, Elizaveta Kruskop, Riqiang Fu, Zonghai Chen, Khalil Amine, Yong Yang
Development of highly reversible multi-electron reaction per redox center in NASICON-structured cathode materials is desired to improve the energy density of Sodium-ion batteries. Here, we investigated more than one electron storage of Na in Na3VCr(PO4)3. Combining a series of advanced characterization techniques such as ex situ 51V solid-state nuclear magnetic resonance, X-ray absorption near edge structure and in situ X-ray diffraction, we reveal that, V3+/V4+ and V4+/V5+ redox couples in the materials can be accessed, leading to 1...
November 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29164819/decellularized-bovine-cotyledons-may-serve-as-biological-scaffolds-with-preserved-vascular-arrangement
#13
Rodrigo da Silva Nunes Barreto, Patricia Romagnolli, Andrea Maria Mess, Maria Angelica Miglino
Technically produced scaffolds are common to establish transplantable tissues for Regenerative Medicine, but also biological ones that are closer to the natural condition become of interest. Placentas are promising, because they represented available, complete organs with rich extracellular matrix (ECM) and well developed vasculature that easily could build anastomoses to a host´s organ. Only placentas from larger animal models such as the bovine meet the dimensions large enough for most organs, but are not adequately described yet...
November 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29164801/improving-the-biological-function-of-decellularized-heart-valves-through-integration-of-protein-tethering-and-three-dimensional-cell-seeding-in-a-bioreactor
#14
Mehrnaz Namiri, Mohammad Kazemi Ashtiani, Saeed Abbasalizadeh, Zahra Mazidi, Elena Mahmoudi, Saman Nikeghbalian, Nasser Aghdami, Hossein Baharvand
Decellularized xenogeneic heart valves (DHVs) are promising products for valve replacement. However, the widespread clinical application of such products is limited due to the risk of immune reaction, progressive degeneration, inflammation, and calcification. Here, we have developed an optimized decellularization protocol for a xenogeneic heart valve. We improved the biological function of DHVs by protein tethering onto DHV and three-dimensional (3D) cell seeding in a bioreactor. Our results showed that heart valves treated with a Triton X-100 (TX-100) and sodium deoxycholate (SDC)-based protocol were completely cell-free, with preserved biochemical and biomechanical properties...
November 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29164617/differential-perturbation-of-the-protrotropic-equilibrium-of-a-biological-photosensitizer-within-bile-salt-aggregates-of-varying-hydrophobicity-a-fluorimetric-investigation
#15
Riya Sett, Nikhil Guchhait
The present work reveals the binding interactions of a credible cancer cell photosensitizer, harmane (HM) with some selected bile salt aggregates of dissimilar hydrophobicity viz. sodium deoxycholate (NaDC), sodium cholate (NaC) and sodium taurocholate (NaTC). The explicit variation of the prototropic equilibrium of the photosensitizer both in the ground and excited state has been utilized to scrutinize the interaction phenomena. Differential modulation in the prototropic equilibrium of HM in the aforesaid aggregates has been explained on the basis of the structural dissimilarities of the bile-salt monomers...
November 22, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29164475/naphthyridines-part-4-unprecedented-synthesis-of-polyfunctionally-substituted-benzo-c-2-7-naphthyridines-and-benzo-c-pyrimido-4-5-6-ij-2-7-naphthyridines-with-structural-analogy-to-pyrido-4-3-2-mn-acridines-present-in-the-marine-tetracyclic-pyridoacridine-alkaloids
#16
Ramadan A Mekheimer, Mariam A Al-Sheikh, Hanadi Y Medrasi, Ghayah A Bahatheg
An easy, efficient and one-step synthesis of the versatile, hitherto unreported of polyfunctionally substituted benzo[c][2,7]naphthyridines 4a-c is described. The reaction of 4a-c with sodium azide gives the corresponding tetracyclic ring system 6a-c in near quantitative yield, and with phenyl isothiocyanate it gives the corresponding novel 3-alkyl-2-oxo-6-phenyl-5-thioxo-3,4,5,6-tetrahydro-2H-benzo[c]pyrimido[4,5,6-ij][2,7]naphthyridine-1-carbonitriles 8a-c. Refluxing compound 4a, with alkyl amines 9a-d for 2-3 h furnished 3-alkyl-5-alkylamino-4-amino-2-oxo-2,3-dihydrobenzo[c][2,7]naphthyridine-1-carbonitriles 10a-d, as stable crystalline solids...
November 21, 2017: Molecular Diversity
https://www.readbyqxmd.com/read/29164422/efficient-production-and-secretion-of-oxaloacetate-from-halomonas-sp-km-1-under-aerobic-conditions
#17
Asuka Hannya, Taku Nishimura, Isao Matsushita, Jun Tsubota, Yoshikazu Kawata
The alkaliphilic, halophilic bacterium Halomonas sp. KM-1 can utilize glucose for the intracellular storage of the bioplastic poly-(R)-3-hydroxybutyric acid (PHB) and extracellular secretion of pyruvate under aerobic conditions. In this study, we investigated the effects of sodium chloride concentration on PHB accumulation and pyruvate secretion in the KM-1 strain and, unexpectedly, observed that oxaloacetate, an important intermediate chemical in the TCA cycle, glycogenesis, and aspartic acid biosynthesis, was secreted...
November 21, 2017: AMB Express
https://www.readbyqxmd.com/read/29164036/a-clinical-practice-guideline-for-the-management-of-acute-spinal-cord-injury-introduction-rationale-and-scope
#18
Michael G Fehlings, Lindsay A Tetreault, Jefferson R Wilson, Brian K Kwon, Anthony S Burns, Allan R Martin, Gregory Hawryluk, James S Harrop
Acute spinal cord injury (SCI) is a traumatic event that results in disturbances to normal sensory, motor, or autonomic function and ultimately affects a patient's physical, psychological, and social well-being. The management of patients with SCI has drastically evolved over the past century as a result of increasing knowledge on injury mechanisms, disease pathophysiology, and the role of surgery. There still, however, remain controversial areas surrounding available management strategies for the treatment of SCI, including the use of corticosteroids such as methylprednisolone sodium succinate, the optimal timing of surgical intervention, the type and timing of anticoagulation prophylaxis, the role of magnetic resonance imaging, and the type and timing of rehabilitation...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29164034/guidelines-for-the-management-of-degenerative-cervical-myelopathy-and-spinal-cord-injury-an-introduction-to-a-focus-issue
#19
Michael G Fehlings, Brian K Kwon, Lindsay A Tetreault
Study Design: Introduction to a guidelines project. Objectives: The objective of this focus issue is to present guidelines that outline how to best manage patients with degenerative cervical myelopathy (DCM) and spinal cord injury (SCI). Topics addressed in this focus issue include: 1) management strategies for patients with mild, moderate and severe DCM; and 2a) timing of surgical decompression; b) the use of methylprednisolone sodium succinate; c) the type and timing of anticoagulation strategies; d) the role of magnetic resonance imaging in clinical decision making and outcome prediction; and e) the type and timing of rehabilitation in patients with SCI...
September 2017: Global Spine Journal
https://www.readbyqxmd.com/read/29164025/a-clinical-practice-guideline-for-the-management-of-patients-with-acute-spinal-cord-injury-recommendations-on-the-use-of-methylprednisolone-sodium-succinate
#20
Michael G Fehlings, Jefferson R Wilson, Lindsay A Tetreault, Bizhan Aarabi, Paul Anderson, Paul M Arnold, Darrel S Brodke, Anthony S Burns, Kazuhiro Chiba, Joseph R Dettori, Julio C Furlan, Gregory Hawryluk, Langston T Holly, Susan Howley, Tara Jeji, Sukhvinder Kalsi-Ryan, Mark Kotter, Shekar Kurpad, Brian K Kwon, Ralph J Marino, Allan R Martin, Eric Massicotte, Geno Merli, James W Middleton, Hiroaki Nakashima, Narihito Nagoshi, Katherine Palmieri, Andrea C Skelly, Anoushka Singh, Eve C Tsai, Alexander Vaccaro, Albert Yee, James S Harrop
Introduction: The objective of this guideline is to outline the appropriate use of methylprednisolone sodium succinate (MPSS) in patients with acute spinal cord injury (SCI). Methods: A systematic review of the literature was conducted to address key questions related to the use of MPSS in acute SCI. A multidisciplinary Guideline Development Group used this information, in combination with their clinical expertise, to develop recommendations for the use of MPSS...
September 2017: Global Spine Journal
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