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https://www.readbyqxmd.com/read/28092925/risk-based-management-of-dental-procedures-in-patients-with-inherited-bleeding-disorders-development-of-a-dental-bleeding-risk-assessment-and-treatment-tool-debratt
#1
L Rasaratnam, P Chowdary, D Pollard, B Subel, C Harrington, U R Darbar
INTRODUCTION: Successful outcomes in dental management for patients with inherited bleeding disorders require close collaboration between haematology teams and dentists. AIM: To review outcomes of an interdisciplinary pathway for dental procedures by assessing adequacy and appropriateness of haemostatic management. METHODS: Two hundred dental procedures in 30 patients with inherited bleeding disorders were included. A Dental Bleeding Risk Assessment and Treatment Tool (DeBRATT) was developed to identify four categories of bleeding risk (no risk, low, moderate and high risk of bleeding) in relation to the severity of the bleeding disorder and the invasiveness of dental procedure...
January 16, 2017: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/28092909/immune-mediated-neuropathies-following-autologous-stem-cell-transplantation-for-multiple-myeloma-case-series-and-review-of-the-literature
#2
Ghulam Rehman Mohyuddin, Jacqueline Uy, Honhar Medhavi, Muhammad Salman Faisal, Muzaffar H Qazilbash
Neuropathy is a common finding in patients with multiple myeloma. Several different factors can cause neuropathy in these patients, such as the underlying disease itself, medications used for treatment, or immune-mediated processes. Immune-mediated neuropathies (IMN) consist of a heterogeneous spectrum of peripheral nerve disorders. Although IMN is associated with several hematological disorders, it remains a very rare complication of hematopoietic stem cell transplantation (HCT). We describe our experiences of 3 patients with multiple myeloma who experienced IMN following autologous HCT (auto-HCT)...
January 17, 2017: Acta Haematologica
https://www.readbyqxmd.com/read/28092868/a-practical-evaluation-of-measurement-uncertainty-in-gamma-ray-efficiency-curve-determination-through-an-analytical-approach
#3
Katsuhiro Shirono, Yasuhiro Unno, Rio Furukawa, Chushiro Yonezawa
An example of uncertainty evaluation of an efficiency curve is reported. In the applied method, the efficiency curve is determined through the weighted least square method based on measured efficiencies employing a mixed-radionuclide standard source. The variance-covariance matrix of the efficiencies is determined by evaluating the uncertainties of the counting, the calibrated radioactivities, the correction factors for true coincidence summing, and the inadequacy of the fitting function. The proposed method can be a basis to develop a more general procedure...
December 15, 2016: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28092857/universal-efavirenz-determination-in-transport-study-rat-placenta-perfusion-and-placenta-lysate-by-hplc-uv
#4
Lucie Zelena, Josef Reznicek, Martina Ceckova, Hana Sklenarova
Efavirenz is an antiretroviral drug used in the treatment of HIV-positive patients. A simple, fast and sensitive high-performance liquid chromatography (HPLC) method was developed in order to determine efavirenz in three types of samples provided from pharmacokinetic studies. The analysis took 5min and was performed using a C18 analytical column (Discovery HS C18, 150×4.6mm, particle size of 5μm) in isocratic mode with a mobile phase containing acetonitrile and water (65:35, v/v), a flow rate of 1.6mLmin(-1), a sample volume of 10μL and UV detection at 245nm...
January 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092856/separation-of-antibody-drug-conjugate-species-by-rplc-a-generic-method-development-approach
#5
Szabolcs Fekete, Imre Molnár, Davy Guillarme
This study reports the use of modelling software for the successful method development of IgG1 cysteine conjugated antibody drug conjugate (ADC) in RPLC. The goal of such a method is to be able to calculate the average drug to antibody ratio (DAR) of and ADC product. A generic method development strategy was proposed including the optimization of mobile phase temperature, gradient profile and mobile phase ternary composition. For the first time, a 3D retention modelling was presented for large therapeutic protein...
January 11, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092854/biopharmaceutical-characterization-of-praziquantel-cocrystals-and-cyclodextrin-complexes-prepared-by-grinding
#6
Martina Cugovčan, Jasna Jablan, Jasmina Lovrić, Dominik Cinčić, Nives Galić, Mario Jug
Mechanochemical activation using several different co-grinding additives was applied as a green chemistry approach to improve physiochemical and biopharmaceutical properties of praziquantel (PZQ). Liquid assisted grinding with an equimolar amount of citric acid (CA), malic acid (MA), salicylic acid (SA) and tartaric acid (TA) gained in cocrystal formation, which all showed pH-dependent solubility and dissolution rate. However, the most soluble cocrystal of PZQ with MA was chemically unstable, as seen during the stability testing...
January 10, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28092840/suppressive-effect-of-spirulina-fusiformis-on-diclofenac-induced-hepato-renal-injury-and-gastrointestinal-ulcer-in-wistar-albino-rats-a-biochemical-and-histological-approach
#7
Jerine Peter S, Kadar Basha S, R Giridharan, Udhaya Lavinya B, Evan Prince Sabina
CONTEXT: The non-steroidal anti-inflammatory drug (NSAID), diclofenac causes hepato-renal toxicity and gastric ulcer. The aim of this study was to investigate the protective effect of Spirulina fusiformis on Diclofenac-induced toxicity in Wistar albino rats. METHODS: Rats were treated as follows: normal control (group I); diclofenac (50mg/kgb.w., i.p.) treated rats (group II); diclofenac-induced (50mg/kgb.w., i.p.) rats treated with Spirulina fusiformis (400mg/kgb...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092833/study-of-molecular-interactions-between-chitosan-and-vi-antigen
#8
Natália de Farias Silva, Raimundo Lopes da Silva, Kalene de Oliveira Almeida, Antônio Edilson Sousa do Nascimento-Júnior, Davi do Socorro Barros Brasil, José Otávio Carréra Silva-Júnior, Francisco Martins Teixeira, Roseane Maria Ribeiro-Costa
Chitosan has attracted much interest due to its special physical and chemical properties related to drug administration. Nanoparticles delivery systems from Vi Antigen are a promising approach in the struggle against typhoid fever. In this paper, we reported the obtainment and the characterization of Vi Antigen by Infrared spectroscopy as well as Molecular Modeling and Computational Chemistry studies of the Chitosan-Vi Antigen interaction through theoretical models. The results of the theoretical and experimental Infrared spectroscopy showed important bands related to N-Acetyl and O-Acetyl groups present in Vi Antigen...
December 31, 2016: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28092832/sampling-conformational-space-of-intrinsically-disordered-proteins-in-explicit-solvent-comparison-between-well-tempered-ensemble-approach-and-solute-tempering-method
#9
Mengzhi Han, Ji Xu, Ying Ren
Intrinsically disordered proteins (IDPs) are a class of proteins that expected to be largely unstructured under physiological conditions. Due to their heterogeneous nature, experimental characterization of IDP is challenging. Temperature replica exchange molecular dynamics (T-REMD) is a widely used enhanced sampling method to probe structural characteristics of these proteins. However, its application has been hindered due to its tremendous computational cost, especially when simulating large systems in explicit solvent...
December 28, 2016: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28092814/a-participatory-action-research-study-exploring-women-s-understandings-of-the-concept-of-informed-choice-during-pregnancy-and-childbirth-in-ireland
#10
Denise O'Brien, Michelle M Butler, Mary Casey
OBJECTIVE: to explore women's understandings and definitions of the concept of informed choice during pregnancy and childbirth. METHODS: a three-phase action research approach. In the first phase of the study (reported in this paper), fifteen women were interviewed to establish their understandings and experiences of informed choice. SETTING: Dublin, Ireland in a large maternity hospital. PARTICIPANTS: fifteen postnatal women who gave birth to a live healthy infant, women attended obstetric or midwifery-led care...
January 4, 2017: Midwifery
https://www.readbyqxmd.com/read/28092811/towards-the-structure-of-the-tir-domain-signalosome
#11
REVIEW
Surekha Nimma, Thomas Ve, Simon J Williams, Bostjan Kobe
TIR (Toll/interleukin-1 receptor/resistance protein) domains feature in animal, plant and bacterial proteins involved in innate immunity pathways and associated processes. They function through protein:protein interactions, in particular self-association and homotypic association with other TIR domains. Structures of TIR domains from all phyla have been determined, but common association modes have only emerged for plant and bacterial TIR domains, and not for mammalian TIR domains. Numerous attempts involving hybrid approaches, which have combined structural, computational, mutagenesis and biophysical data, have failed to converge onto common models of how these domains associate and function...
January 13, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28092807/application-of-the-dreadd-technique-in-biomedical-brain-research
#12
REVIEW
Grzegorz Dobrzanski, Małgorzata Kossut
The DREADD (Designer Receptors Exclusively Activated by Designer Drugs) technique is a new chemogenetic approach allowing for selective and remote control of neural activity with a high degree of spatial resolution. Since its discovery in 2007 the DREADD technique was successfully employed into basic research, and together with the optogenetic method provided so far the best tool to influence the activity of the brain circuits and cell populations. The first aim of this review was to concisely describe the technique with regard to such issues like the history of its development, biochemistry as well as modes of the designer receptors delivery and expression...
October 29, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28092802/signal-and-binding-i-physico-chemical-response-to-macromolecule-ligand-interactions
#13
REVIEW
Wlodzimierz Bujalowski, Maria J Jezewska, Paul J Bujalowski
Obtaining a detailed knowledge about energetics of ligand-macromolecule interactions is a prerequisite for elucidation of the nature, behavior, and activities of the formed complexes. The most commonly used methods in characterizing molecular interactions are physico-chemical techniques based mainly on spectroscopic, calorimetric, hydrodynamic, etc., measurements. The major advantage of the physico-chemical methods is that they do not require large quantities of material and, if performed carefully, do not perturb examined reactions...
January 3, 2017: Biophysical Chemistry
https://www.readbyqxmd.com/read/28092799/fibrin-improves-skin-wound-perfusion-in-a-diabetic-rat-model
#14
Tamara Hoppenbrouwers, Bastiaan Tuk, Esther M G Fijneman, Moniek P M de Maat, Johan W van Neck
: The fibrin matrix of the thrombus that is formed directly after wounding, is an important determinant of the success of the early phase of wound healing. This phase is often impaired in patients with diabetes. A promising approach to improve skin wound healing is the application of a pro-angiogenic fibrin matrix onto the wound. We studied this in 59 female WAG/RijCrl diabetic rats, in which we created two dorsal full-thickness wounds of which one was treated with a human physiological fibrin matrix (2mg/ml) and one with PBS as control...
January 10, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28092774/the-lonely-road-to-paranoia-a-path-analytic-investigation-of-loneliness-and-paranoia
#15
Fabian Lamster, Tania M Lincoln, Clara M Nittel, Winfried Rief, Stephanie Mehl
Loneliness and paranoia are related, but the mechanisms that link them to each other remain unclear. Systematic reviews on loneliness propose a social-cognitive model in which loneliness leads to negative evaluations of other persons and a lack of interpersonal trust. However, the data discussed in these reviews are based on healthy individuals. Building on this model, the present study investigated 1) whether negative interpersonal schemata mediate the association between loneliness and paranoia and 2) whether a low level of perceived social support and less frequent social contact are related to loneliness...
January 2, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28092771/plant-peroxisomes-a-nitro-oxidative-cocktail
#16
REVIEW
Francisco J Corpas, Juan B Barroso, José M Palma, Marta Rodriguez-Ruiz
Although peroxisomes are very simple organelles, research on different species has provided us with an understanding of their importance in terms of cell viability. In addition to the significant role played by plant peroxisomes in the metabolism of reactive oxygen species (ROS), data gathered over the last two decades show that these organelles are an endogenous source of nitric oxide (NO) and related molecules called reactive nitrogen species (RNS). Molecules such as NO and H2O2 act as retrograde signals among the different cellular compartments, thus facilitating integral cellular adaptation to physiological and environmental changes...
January 3, 2017: Redox Biology
https://www.readbyqxmd.com/read/28092762/a-novel-approach-for-exposure-assessment-in-air-pollution-epidemiological-studies-using-neuro-fuzzy-inference-systems-comparison-of-exposure-estimates-and-exposure-health-associations
#17
Victoria Blanes-Vidal, Manuella Lech Cantuaria, Esmaeil S Nadimi
Many epidemiological studies have used proximity to sources as air pollution exposure assessment method. However, proximity measures are not generally good surrogates because of their complex non-linear relationship with exposures. Neuro-fuzzy inference systems (NFIS) can be used to map complex non-linear systems, but its usefulness in exposure assessment has not been extensively explored. We present a novel approach for exposure assessment using NFIS, where the inputs of the model were easily-obtainable proximity measures, and the output was residential exposure to an air pollutant...
January 13, 2017: Environmental Research
https://www.readbyqxmd.com/read/28092754/public-participation-gis-for-improving-wood-burning-emissions-from-residential-heating-and-urban-environmental-management
#18
Susana López-Aparicio, Matthias Vogt, Philipp Schneider, Maarit Kahila-Tani, Anna Broberg
A crowdsourcing study supported by a public participation GIS tool was designed and carried out in two Norwegian regions. The aim was to improve the knowledge about emissions from wood burning for residential heating in urban areas based on the collection of citizens' localized insights. We focus on three main issues: 1) type of dwelling and residential heating source; 2) wood consumption and type of wood appliances; and 3) citizens' perception of the urban environment. Our study shows the importance of wood burning for residential heating, and of the resulted particle emissions, in Norwegian urban areas...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28092753/immobilization-and-reduction-of-bioavailability-of-lead-in-shooting-range-soil-through-hydrothermal-treatment
#19
Mohammad Nazrul Islam, Jeong-Hun Park
Immobilization of Pb in contaminated soil by hydrothermal treatment (HT) under subcritical conditions was investigated using a lab-scale apparatus. The Pb immobilization was evaluated thorough investigating the transformation of Pb fractions and by single chemical extraction. The results showed that HT and treatment temperature significantly affected the immobilization through redistribution of Pb fractions. The results of bioavailability and eco-toxicity assessment demonstrated a drastic decrease in the bioavailable fraction from 41...
January 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28092748/optimizing-selective-cutting-strategies-for-maximum-carbon-stocks-and-yield-of-moso-bamboo-forest-using-biome-bgc-model
#20
Fangjie Mao, Guomo Zhou, Pingheng Li, Huaqiang Du, Xiaojun Xu, Yongjun Shi, Lufeng Mo, Yufeng Zhou, Guoqing Tu
The selective cutting method currently used in Moso bamboo forests has resulted in a reduction of stand productivity and carbon sequestration capacity. Given the time and labor expense involved in addressing this problem manually, simulation using an ecosystem model is the most suitable approach. The BIOME-BGC model was improved to suit managed Moso bamboo forests, which was adapted to include age structure, specific ecological processes and management measures of Moso bamboo forest. A field selective cutting experiment was done in nine plots with three cutting intensities (high-intensity, moderate-intensity and low-intensity) during 2010-2013, and biomass of these plots was measured for model validation...
January 13, 2017: Journal of Environmental Management
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