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https://www.readbyqxmd.com/read/28809447/pulmonary-delivery-of-tea-tree-oil-%C3%AE-cyclodextrin-inclusion-complexes-for-the-treatment-of-fungal-and-bacterial-pneumonia
#1
Miao Li, Lifei Zhu, Tongtong Zhang, Boming Liu, Lina Du, Yiguang Jin
OBJECTIVES: Bacterial pneumonia is a common cause of death worldwide. Tea tree oil (TTO) is a potent antimicrobial natural product, which is formulated in dry powder inhalers (DPIs) for the treatment of fungal and bacterial pneumonia. METHODS: Tea tree oil-β-cyclodextrin inclusion complexes (TTO-β-CD) were prepared and characterized. Aerodynamic properties of TTO-β-CD powders were measured. The rat models of fungal (Candida albicans) and bacterial (Acinetobacter baumannii) pneumonia were prepared...
August 15, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28801862/feasibility-comparability-and-reliability-of-the-standard-gamble-compared-with-the-rating-scale-and-time-trade-off-techniques-in-korean-population
#2
Seon-Ha Kim, Sang-Il Lee, Min-Woo Jo
PURPOSE: The standard gamble (SG) method is the gold standard for valuing health states as a utility, although it is accepted that it is difficult to valuate health states. This study was conducted in order to compare the SG with the rating scale (RS) and time trade-off (TTO) techniques in terms of their feasibility, comparability, and reliability in a valuation survey of the general Korean population. METHODS: Five-hundred members of the general Korean population were recruited using a multi-stage quota sampling method in Seoul and its surrounding areas, Korea...
August 11, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28770875/levels-of-platelet-derived-microparticles-and-soluble-p-selectin-in-patients-of-acute-myocardial-infarction-case-control-study
#3
Aisha Hameed, Zille Rubab, Syed Khizar Abbas Rizvi, Shabbir Hussain, Waqas Latif, Shahida Mohsin
OBJECTIVE: TTo measure levels of platelet-derived microparticles and soluble P-selectin in patients of acute myocardial infarction and their comparison with healthy controls. METHODS: This case-control study was conducted in Department of Haematology, University of Health Sciences Lahore from April to September 2013, and comprised patients of acute myocardial infarction in group 1 and healthy controls in group 2. Platelet-derived microparticles and soluble P-selectin were measured by enzyme-linked immunosorbent assay...
July 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28767507/bleeding-out-the-qalys-evaluating-the-burden-of-primary-dysmenorrhea-by-time-trade-off-and-willingness-to-pay-methods
#4
Fanni Rencz, Márta Péntek, Peep Fm Stalmeier, Valentin Brodszky, Gábor Ruzsa, Edina Gradvohl, Petra Baji, László Gulácsi
Primary dysmenorrhea (PD), or painful menstruation in the absence of identified uterine pathology, affects five to nine in every 10 reproductive-aged women. Despite its high prevalence, just a few studies with very small patient numbers have focused on health-related quality of life (HRQoL) impairment in PD. We aimed to assess HRQoL values for a severe and a mild hypothetical PD health state by 10-year time trade-off (TTO) and willingness-to-pay (WTP) methods. In 2015, a nationwide convenience sample of women, aged between 18 and 40 years, was recruited using an Internet-based cross-sectional survey in Hungary...
July 31, 2017: Pain
https://www.readbyqxmd.com/read/28757937/a-comparative-study-of-antibacterial-and-anti-inflammatory-effects-of-mouthrinse-containing-tea-tree-oil
#5
C Salvatori, L Barchi, F Guzzo, M Gargari
The study evaluated the antibacterial and anti-inflammatory efficacy, domiciliary oral hygiene, of a mouthrinse containing Tea Tree Oil (TTO) comparing it with two mouthrinses containing chlorhexidine 0,12% respectively and essential oils, and a placebo. MATERIALS AND METHODS: A pilot study, randomized 4 × 4, controlled, cross-over, double-blind. 16 subjects with gingivitis (7 males and 9 females) aged 21-37 years, were randomly divided into four groups based on mouthwash that had to be used for domiciliary oral hygiene: mouthwash with essential oils, mouthwash with chlorhexidine 0,12 %, mouthwash containig tea tree oil and mouthwash placebo...
January 2017: Oral & Implantology
https://www.readbyqxmd.com/read/28729693/ta2o5-tio2-composite-charge-trapping-dielectric-for-the-application-of-the-nonvolatile-memory
#6
C Y Wei, B Shen, P Ding, P Han, A D Li, Y D Xia, B Xu, J Yin, Z G Liu
The charge-trapping memory devices with a structure Pt/Al2O3/(Ta2O5) x (TiO2) 1-x /Al2O3/p-Si (x = 0.9, 0.75, 0.5, 0.25) were fabricated by using rf-sputtering and atomic layer deposition techniques. A special band alignment between (Ta2O5) x (TiO2) 1-x and Si substrate was designed to enhance the memory performance by controlling the composition and dielectric constant of the charge-trapping layer and reducing the difference of the potentials at the bottom of the conduction band between (Ta2O5) x (TiO2) 1-x and Si substrate...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28728085/preparation-of-a-6-oh-quaternized-chitosan-derivative-through-click-reaction-and-its-application-to-novel-thermally-induced-polyelectrolyte-complex-hydrogels
#7
Yu Chen, Fengju Wang, Na Zhang, Yi Li, Bin Cheng, Yongfa Zheng
In the present study, a chitosan derivative with long chain quaternary ammonium locating grafted at 6-OH (CTS-6-QAS) was designed and prepared via a novel click reaction. The structure and thermal stability of the products of each step were determined with Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). Rheological tests indicate that CTS-6-QAS possesses excellent thermally induced hydrogel formation property in the presence of β-glycerophosphate (β-GP)...
July 11, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28708779/midshaft-fracures-of-the-clavicle-a-meta-analysis-comparing-surgical-fixation-via-anteroinferior-plating-versus-superior-plating
#8
Alex Nourian, Satvinder Dhaliwal, Sitaram Vangala, Peter S Vezeridis
OBJECTIVE: Tto compare the outcomes of clavicle fracture fixation using anteroinferior versus superior plate placement. METHODS: We performed a meta-analysis of studies that have reported on outcomes following superior or anteroinferior plate fixation for acute midshaft clavicle fractures (OTA 15-B). A computerized literature search in the Pubmed, Scopus, and Cochrane Library databases was utilized to identify relevant articles. Only full text articles without language restrictions were evaluated...
June 22, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28695543/the-indonesian-eq-5d-5l-value-set
#9
Fredrick Dermawan Purba, Joke A M Hunfeld, Aulia Iskandarsyah, Titi Sahidah Fitriana, Sawitri Supardi Sadarjoen, Juan Manuel Ramos-Goñi, Jan Passchier, Jan J V Busschbach
BACKGROUND: The EQ-5D is one of the most used generic health-related quality-of-life (HRQOL) instruments worldwide. To make the EQ-5D suitable for use in economic evaluations, a societal-based value set is needed. Indonesia does not have such a value set. OBJECTIVE: The aim of this study was to derive an EQ-5D-5L value set from the Indonesian general population. METHODS: A representative sample aged 17 years and over was recruited from the Indonesian general population...
July 10, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28691431/low-dose-computed-tomography-in-assessment-of-pulmonary-abnormalities-in-children-with-febrile-neutropenia-suffering-from-malignant-diseases
#10
Urszula Zaleska-Dorobisz, Cyprian Michal Olchowy, Mateusz Łasecki, Dąbrówka Sokołowska-Dąbek, Aleksander Pawluś, Jowita Frączkiewicz, Ewa Gorczyńska
BACKGROUND: Management of febrile neutropenia in pediatric patients is challenging. Chest X-ray and CT help to identify infective foci; however, exposure to radiation is a risk factor for development of secondary cancer. For this reason, attention is paid to reduce radiation exposure. OBJECTIVES: TTo define the role of LDCT examination in early detection of pulmonary lesions in children during oncology or autoimmune treatment complicated by neutropenia related fever...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28678902/working-hours-associated-with-unintentional-sleep-at-work-among-airline-pilots
#11
Elaine Cristina Marqueze, Ana Carolina B Nicola, Dag Hammarskjoeld M D Diniz, Frida Marina Fischer
OBJECTIVE: Tto identify factors associated with unintentional sleep at work of airline pilots. METHODS: This is a cross-sectional epidemiological study conducted with 1,235 Brazilian airline pilots, who work national or international flights. Data collection has been performed online. We carried out a bivariate and multiple logistic regression analysis, having as dependent variable unintentional sleep at work. The independent variables were related to biodemographic data, characteristics of the work, lifestyle, and aspects of sleep...
June 26, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28634477/metabolomic-analysis-and-mode-of-action-of-metabolites-of-tea-tree-oil-involved-in-the-suppression-of-botrytis-cinerea
#12
Jiayu Xu, Xingfeng Shao, Yonghua Li, Yingying Wei, Feng Xu, Hongfei Wang
Tea tree oil (TTO), a volatile essential oil, has been widely used as an antimicrobial agent. However, the mechanism underlying TTO antifungal activity is not fully understood. In this study, a comprehensive metabolomics survey was undertaken to identify changes in metabolite production in Botrytis cinerea cells treated with TTO. Significant differences in 91 metabolites were observed, including 8 upregulated and 83 downregulated metabolites in TTO-treated cells. The results indicate that TTO inhibits primary metabolic pathways through the suppression of the tricarboxylic acid (TCA) cycle and fatty acid metabolism...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28629989/patient-proxy-agreement-on-the-health-related-quality-of-life-one-year-after-traumatic-brain-injury
#13
Hei-Fen Hwang, Chih-Yi Chen, Mau-Roung Lin
OBJECTIVE: To examine the level of agreement between patients and their proxies on a measure of health-related quality of life (HRQL) 1 year after traumatic brain injury (TBI). DESIGN: A cross-sectional study. PARTICIPANTS: and Setting: Eighty-eighty patients with TBI identified from discharge records of four hospitals in Taiwan and 88 family members or friends who could answer questions regarding the patient's health and HRQL 1 year after the injury...
June 16, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28627304/the-effects-of-selected-phytochemicals-on-biofilm-formed-by-five-methicillin-resistant-staphylococcus-aureus
#14
Barbara Kot, Kamila Wierzchowska, Agata Grużewska, Dzmitry Lohinau
The aim of this study was to evaluate the ability of 0.1% thyme oil (TO), trans-cinnamaldehyde (TC), ferulic acid (FA), p-coumaric acid (p-CA), caffeic acid (CA), lavender essential oil (LO), geranium essential oil (GO) and tee tree oil (TTO) to control biofilms formed by methicillin-resistant Staphylococcus aureus (MRSA) strains. Depending on the strains, TO reduced 59.7-85% of biofilm mass, while TC 52.9-82.4% after 48 h of treatment. Reduction of metabolic activity of biofilms in ranges 79.3-86% and 85...
June 18, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28623464/estimating-an-exchange-rate-between-the-eq-5d-3l-and-ascot
#15
Katherine Stevens, John Brazier, Donna Rowen
BACKGROUND: The aim was to estimate an exchange rate between EQ-5D-3L and the Adult Social Care Outcome Tool (ASCOT) using preference-based mapping via common time trade-off (TTO) valuations. EQ-5D and ASCOT are useful for examining cost-effectiveness within the health and social care sectors, respectively, but there is a policy need to understand overall benefits and compare across sectors to assess relative value for money. Standard statistical mapping is unsuitable since it relies on conceptual overlap of the measures but EQ-5D and ASCOT have different conceptualisations of quality of life...
June 16, 2017: European Journal of Health Economics: HEPAC: Health Economics in Prevention and Care
https://www.readbyqxmd.com/read/28612945/comparative-study-of-the-number-of-report-and-time-to-onset-of-the-reported-adverse-event-between-the-biosimilars-and-the-originator-of-filgrastim
#16
Tetsu Kobayashi, Izumi Kamada, Junko Komura, Satoshi Toyoshima, Akiko Ishii-Watabe
PURPOSE: The objective of this study is to specify the most reported adverse events as preferred terms (PTs) and to compare the reported adverse events about some properties including the number of report and time-to-onset (TTO) distribution of the originator of filgrastim Neupogen® and its biosimilars in Europe, using VigiBase®. METHODS: We identified the biosimilar which was reported as the suspected drug in more than 100 individual case safety reports in Europe...
August 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28551268/tea-tree-oil-exhibits-antifungal-activity-against-botrytis-cinerea-by-affecting-mitochondria
#17
Yonghua Li, Xingfeng Shao, Jiayu Xu, Yingying Wei, Feng Xu, Hongfei Wang
In order to investigate the effects of tea tree oil (TTO) on mitochondrial morphology and function in Botrytis cinerea, mycelia were treated with TTO at different concentrations. TTO at 2ml/l severely damaged mitochondria, resulting in matrix loss and increased mitochondrial irregularity. Mitochondrial membrane permeability was increased by TTO, as evidenced by a decrease in intracellular adenosine triphosphate (ATP) content and an increase in extracellular ATP content. Increasing concentrations of TTO decreased the activities of enzymes related to mitochondrial function and the tricarboxylic acid (TCA) cycle, affecting malic dehydrogenase, succinate dehydrogenase, ATPase, citrate synthetase, isocitrate dehydrogenase and α-ketoglutarate dehydrogenase, while sharply increasing the level of reactive oxygen species (ROS)...
November 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28546114/melaleuca-alternifolia-essential-oil-prevents-alterations-to-purinergic-enzymes-and-ameliorates-the-innate-immune-response-in-silver-catfish-infected-with-aeromonas-hydrophila
#18
Matheus D Baldissera, Carine F Souza, Pedro H Doleski, Agueda C de Vargas, Marta M M F Duarte, Thiago Duarte, Aline A Boligon, Daniela B R Leal, Bernardo Baldisserotto
Aeromonas hydrophila infection represents a major impediment to the development of aquaculture, leading to important economic losses. Over the last few years, different methods have been used to counteract and minimize the negative effects of this infection, such as the use of Melaleuca alternifolia essential oil, popularly known as tea tree oil (TTO), that possess a bactericide action against A. hydrophila. The purinergic system develops an important role in the inflammatory response, principally due to involvement of adenosine triphosphate (ATP) in the inflammatory process, as well as by the anti-inflammatory properties of adenosine (Ado), a molecule that is controlled by NTPDase, 5'-nucleotidase and adenosine deaminase (ADA) enzymes...
May 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28524791/sagittal-craniosynostosis-a-utility-outcomes-study
#19
Victoria Kuta, P Daniel McNeely, Simon Walling, Michael Bezuhly
OBJECTIVE Sagittal craniosynostosis results in a characteristic scaphocephalic head shape that is typically corrected surgically during a child's 1st year of life. The authors' objective was to determine the potential impact of being born with sagittal craniosynostosis by using validated health state utility assessment measures. METHODS An online utility assessment was designed to generate health utility scores for scaphocephaly, monocular blindness, and binocular blindness using standardized utility assessment tools, namely the visual analog scale (VAS) and the standard gamble (SG) and time trade-off (TTO) tests...
August 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28487227/melaleuca-alternifolia-essential-oil-nanoparticles-ameliorate-the-hepatic-antioxidant-oxidant-status-of-silver-catfish-experimentally-infected-with-pseudomonas-aeruginosa
#20
Carine F Souza, Matheus D Baldissera, Naiara S Guarda, Yãnaí S Bollick, Rafael N Moresco, Isabel Cristina M Brusque, Roberto C V Santos, Bernardo Baldisserotto
Oxidative stress has been recognized as a conjoint pathological mechanism that contributes to initiation and progression of liver injury, such as that caused by bacterial diseases. Natural antioxidants are considered a rational curative strategy to prevent and cure hepatic diseases involved with oxidative stress. Thus, the aim of this study was to evaluate, for the first time, whether treatment with bactericidal Melaleuca alternifolia essential oil (TTO) nanoparticles prevents or reduces the hepatic damage in silver catfish (Rhamdia quelen) experimentally infected with Pseudomonas aeruginosa (PAO1)...
July 2017: Microbial Pathogenesis
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