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https://www.readbyqxmd.com/read/29144601/anti-bacterial-anti-biofilm-and-anti-quorum-sensing-effects-of-thymus-daenensis-and-satureja-hortensis-essential-oils-against-staphylococcus-aureus-isolates
#1
Aram Sharifi, Abdolmajid Mohammadzadeh, Taghi Zahraei Salehi, Pezhman Mahmoodi
AIMS: The present study was conducted to investigate the effects of Thymus daenensis and Satureja hortensis essential oils (EOs) on the planktonic growth, biofilm formation and quorum sensing (QS) of some Staphylococcus aureus isolates (strong biofilm producers). METHODS AND RESULTS: MIC of the EOs, inhibition of biofilm formation as well as disruption of preformed S. aureus biofilms were assessed. The anti-biofilm activity of the EOs was determined using microtiter-plate test (MtP) and scanning electron microscope (SEM)...
November 16, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29142389/bioactive-constituents-radical-scavenging-and-antibacterial-properties-of-the-leaves-and-stem-essential-oils-from-peperomia-pellucida-l-kunth
#2
Sunday O Okoh, Benson C Iweriebor, Omobola O Okoh, Anthony I Okoh
Background: Peperomia pellucida is an annual herbaceous ethnomedicinal plant used in the treatment of a variety of communicable and noncommunicable diseases in the Amazon region. Objective: The study aimed at profiling the bioactive constituents of the leaves and stem essential oils (LEO and SEO) of P. pellucida, their in vitro antibacterial and radical scavenging properties as probable lead constituents in the management of oxidative stress and infectious diseases...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142323/nkx6-1-decline-accompanies-mitochondrial-dna-reduction-but-subtle-nucleoid-size-decrease-in-pancreatic-islet-%C3%AE-cells-of-diabetic-goto-kakizaki-rats
#3
Tomáš Špaček, Vojtěch Pavluch, Lukáš Alán, Nikola Capková, Hana Engstová, Andrea Dlasková, Zuzana Berková, František Saudek, Petr Ježek
Hypertrophic pancreatic islets (PI) of Goto Kakizaki (GK) diabetic rats contain a lower number of β-cells vs. non-diabetic Wistar rat PI. Remaining β-cells contain reduced mitochondrial (mt) DNA per nucleus (copy number), probably due to declining mtDNA replication machinery, decreased mt biogenesis or enhanced mitophagy. We confirmed mtDNA copy number decrease down to <30% in PI of one-year-old GK rats. Studying relations to mt nucleoids sizes, we employed 3D superresolution fluorescent photoactivable localization microscopy (FPALM) with lentivirally transduced Eos conjugate of mt single-stranded-DNA-binding protein (mtSSB) or transcription factor TFAM; or by 3D immunocytochemistry...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29134031/the-dipteran-family-celyphidae-in-the-new-world-with-discussion-of-and-key-to-world-genera-insecta-diptera
#4
Stephen D Gaimari
The family Celyphidae (Diptera, Lauxanioidea) is verified as part of the New World fauna, with a second specimen discovered of a species described from French Guiana in 1844 by P.J.M. Macquart. As this species possesses characteristics that clearly suggest a separate lineage from the Old World celyphids, a new genus is proposed, Atopocelyphusgen. n., with the type species, Celyphus ruficollis Macquart, in the new combination Atopocelyphus ruficollis (Macquart), comb. n. A key to world genera of Celyphidae is presented, along with discussion of generic concepts...
2017: ZooKeys
https://www.readbyqxmd.com/read/29127810/antimicrobial-activities-of-gaseous-essential-oils-against-listeria-monocytogenes-on-a-laboratory-medium-and-radish-sprouts
#5
Gyeongmin Lee, Yoonbin Kim, Hoikyung Kim, Larry R Beuchat, Jee-Hoon Ryu
The aim of this study was to evaluate the antimicrobial activities of gaseous essential oils (EO gases) against Listeria monocytogenes on the surfaces of a laboratory medium and radish sprouts. We determined the minimal inhibitory concentration (MIC) and minimal lethal concentration (MLC) values of EO gases from eight EOs extracted from basil leaves, carrot seed, cinnamon bark, cinnamon leaves, clove flower buds, oregano leaves, thyme flowers (linalool), and thyme leaves (thymol) against L. monocytogenes on a nutrient agar supplemented with 1% glucose and 0...
November 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29122688/lower-limb-lengths-and-angles-in-children-older-than-six-years-reliability-and-reference-values-by-eos-%C3%A2-stereoradiography
#6
V Rampal, P-Y Rohan, A Assi, I Ghanem, O Rosello, A-L Simon, E Gaumetou, V Merzoug, W Skalli, P Wicart
BACKGROUND: Lower-limb alignment in children is classically assessed clinically or based on conventional radiography, which is associated with projection bias. Low-dose biplanar radiography was described recently as an alternative to conventional imaging. The primary objective of this study was to assess the reliability of length and angle values inferred from 3D reconstructions in children seen in everyday practice. The secondary objective was to obtain reference values for goniometry parameters in children...
November 6, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29117746/in-vitro-evaluation-of-the-amoebicidal-activity-of-rosemary-rosmarinus-officinalis-l-and-cloves-syzygium-aromaticum-l-merr-perry-essential-oils-against-acanthamoeba-polyphaga-trophozoites
#7
Immacolata Anacarso, Carla Sabia, Simona de Niederhäusern, Ramona Iseppi, Carla Condò, Moreno Bondi, Patrizia Messi
Several species of the genus Acanthamoeba cause human diseases. Treatment of infections involves various problems, emphasising the need to develop alternative antiprotozoal agents. We studied the anti-amoebic activity of Essential Oils (EOs), derived from rosemary (Rosmarinus officinalis L.) and cloves (Syzygium aromaticum L. Merr. & Perry), against Acanthamoeba polyphaga strain. The amoebicidal activity of cloves and rosemary EOs was preliminary demonstrated by the morphology change (modifications in the cell shape, the presence of precipitates in the cytoplasm, autophagic vesicles, membrane blends) of the treated trophozoites...
November 8, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29117148/physical-structural-barrier-and-antifungal-characterization-of-chitosan-zein-edible-films-with-added-essential-oils
#8
Monserrat Escamilla-García, Georgina Calderón-Domínguez, Jorge J Chanona-Pérez, Angélica G Mendoza-Madrigal, Prospero Di Pierro, Blanca E García-Almendárez, Aldo Amaro-Reyes, Carlos Regalado-González
Edible films (EFs) have gained great interest due to their ability to keep foods safe, maintaining their physical and organoleptic properties for a longer time. The aim of this work was to develop EFs based on a chitosan-zein mixture with three different essential oils (EOs) added: anise, orange, and cinnamon, and to characterize them to establish the relationship between their structural and physical properties. The addition of an EO into an EF significantly affected (p < 0.05) the a* (redness/greenness) and b* (yellowness/blueness) values of the film surface...
November 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29116246/monitoring-the-long-term-vegetation-phenology-change-in-northeast-china-from-1982-to-2015
#9
Lingxue Yu, Tingxiang Liu, Kun Bu, Fengqin Yan, Jiuchun Yang, Liping Chang, Shuwen Zhang
Global warming has contributed to the extension of the growing season in North Hemisphere. In this paper, we investigated the spatial characteristics of the date of the start of the season (SOS), the date of the end of the season (EOS) and the length of the season (LOS) and their change trends from 1982 to 2015 in Northeast China. Our results showed that there was a significant advance of SOS and a significant delay of EOS, especially in the north part of Northeast China. For the average change slope of EOS in the study area, the delay trend was 0...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29103466/evaluation-of-cumulative-effective-dose-and-cancer-risk-from-repetitive-full-spine-imaging-using-eos-system-impact-to-adolescent-patients-of-different-populations
#10
Martin Law, Wang-Kei Ma, Eva Chan, Damian Lau, Candy Mui, Kenneth Cheung, Lawrance Yip, Wendy Lam
OBJECTIVE: To evaluate the effective dose and associated cancer risk using EOS system for scoliotic adolescent patients undergoing full spine imaging at different age of exposure; to demonstrate EOS system capable of delivering less radiation dose and hence of reducing cancer risk induction when compared with conventional digital X-ray systems; to obtain cumulative effective dose and cancer risk for both genders scoliotic adolescence of US and Hong Kong population. METHODS: Organ absorbed doses of full spine exposed scoliotic adolescent patients using EOS system have been simulated with the use of patient imaging parameters input to the Monte Carlo software PCXMC...
November 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29100974/the-interaction-of-nos1ap-disc1-daoa-and-gsk3b-confers-susceptibility-of-early-onset-schizophrenia-in-chinese-han-population
#11
Guoqin Hu, Chengqing Yang, Lei Zhao, Yong Fan, Qinyu Lv, Jing Zhao, Minghuan Zhu, Xiangqing Guo, Chenxi Bao, Ahong Xu, Yong Jie, Yaqing Jiang, Chen Zhang, Shunying Yu, Zuowei Wang, Zezhi Li, Zhenghui Yi
Although many major breakthrough had identificated potential susceptibility genes for schizophrenia, the aetiology of schizophrenia is still unknown. In the present study, we focused on the N-methyl-Daspartate receptors related genes nitric oxide synthase 1 adaptor gene (NOS1AP), disrupted in schizophrenia 1 gene (DISC1), d-amino acid oxidase activator gene (DAOA), and glycogen synthase kinase 3-beta gene (GSK3B). A family-based genetic association study (459 Han Chinese subjects in 153 nuclear families) using 3 single nucleotide polymorphisms in NOS1AP, 2 in DISC1, 1 in DAOA and 1 in GSK3B was conducted...
October 31, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29096481/predictions-of-homogeneous-nucleation-rates-for-n-alkanes-accounting-for-the-diffuse-phase-interface-and-capillary-waves
#12
Barbora Planková, Václav Vinš, Jan Hrubý
Homogeneous droplet nucleation has been studied for almost a century but has not yet been fully understood. In this work, we used the density gradient theory (DGT) and considered the influence of capillary waves (CWs) on the predicted size-dependent surface tensions and nucleation rates for selected n-alkanes. The DGT model was completed by an equation of state (EoS) based on the perturbed-chain statistical associating fluid theory and compared to the classical nucleation theory and the Peng-Robinson EoS. It was found that the critical clusters are practically free of CWs because they are so small that even the smallest wavelengths of CWs do not fit into their finite dimensions...
October 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29095349/clinical-implications-of-pediatric-colonic-eosinophilia
#13
Jacob Mark, Shahan D Fernando, Joanne C Masterson, Zhaoxing Pan, Kelley E Capocelli, Glenn T Furuta, Edwin F de Zoeten
OBJECTIVES: Pediatric colonic eosinophilia represents a confounding finding with a wide differential. It is often difficult to determine which children may progress to inflammatory bowel disease (IBD), which have an eosinophilic colitis (EC), and which may have no underlying pathology. There is little guidance for the practitioner on the approach to these patients. To define the clinical presentations of colonic eosinophilia and identify factors which may aid in diagnosis we reviewed patients with colonic eosinophilia and the clinicopathologic factors associated with their diagnoses...
October 31, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29094321/reproducibility-of-length-measurements-of-the-lower-limb-by-using-eos%C3%A2
#14
A Clavé, D G Maurer, N S Nagra, F Fazilleau, C Lefèvre, E Stindel
BACKGROUND: Lower-limb discrepancy following total hip arthroplasty is the third-most common reason for patient dissatisfaction in orthopaedic surgery. Therefore, accurate planning and evaluation methods are mandatory. The main aim of this study was to evaluate the reliability of the EOS™ system by establishing and comparing the reproducibility of lower-limb automatic and manual 3D measurements. We hypothesized that the reproducibility of the lower-limb measurements is similar regardless of the method used and with an agreement higher than 0...
November 1, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/29092959/evidence-of-hydrocarbon-nanodrops-in-highly-ordered-stratum-corneum-model-membranes
#15
Adrian Paz Ramos, Gert Gooris, Joke Bouwstra, Michel Lafleur
The stratum corneum (SC), the top layer of skin, dictates both the rate of water loss through the skin, and absorption of exogenous molecules into the body. The crystalline organization of the lipids in the SC is believed to be a key feature associated with the very limited permeability of the skin. In this work, we characterized the organization of SC lipid models that include, as in native SC, cholesterol, a free fatty acid series (saturated with C16-C24 chains), as well as a ceramide bearing an oleate linked to a very long saturated acyl chain (Cer EOS)...
November 1, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/29082789/influence-of-perinatal-inflammation-on-the-neurodevelopmental-outcome-of-premature-infants
#16
Adriano Rodríguez-Trujillo, José Ríos, Martina A Ángeles, David E Posadas, Clara Murillo, Claudia Rueda, Francesc Botet, Jordi Bosch, Andrea Vergara, Eduard Gratacós, Montse Palacio, Teresa Cobo
OBJECTIVE: To evaluate the influence of perinatal inflammation on neurodevelopmental outcome of premature infants. STUDY DESIGN: From a retrospective cohort study of women with preterm labor with intact membranes or preterm prelabor rupture of membranes with an amniocentesis to rule out intra-amniotic inflammation (IAI) and microbial invasion of the amniotic cavity (MIAC), we evaluated neurodevelopmental outcome of their infants born between 24.0 and 34.0 weeks' gestation...
October 29, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29081164/-prevalence-and-clinical-characteristics-of-blood-eosinophilia-in-patients-with-acute-exacerbation-of-chronic-obstructive-pulmonary-disease
#17
Q L Zeng, X M Wang, S N Li, B Xiong, M Jian, G Huang, Y Q Wu, X H Wang, J Li, F Q Wen, H Zhou
Objective: To investigate the prevalence and clinical characteristics of peripheral blood eosinophilia (EOS) in patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD). Methods: From July 2014 to June 2016, AECOPD patients in the Department of Respiratory Medicine of Affiliated Hospital of Chengdu University, were retrospectively stratified into two groups according to two standards of eosinophilic exacerbations (the peripheral blood eosinophil count ≥2% or ≥3% on admission). Demography, clinical symptoms, laboratory results, length of stay, total hospitalization expenses, and defined daily expenses were compared between groups...
October 31, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29074716/antimicrobial-resistance-in-uk-neonatal-units-neonin-infection-surveillance-network
#18
Benjamin Cailes, Christina Kortsalioudaki, Jim Buttery, Santosh Pattnayak, Anne Greenough, Jean Matthes, Alison Bedford Russell, Nigel Kennea, Paul T Heath
OBJECTIVE: To define the susceptibilities of the common causative pathogens of neonatal sepsis in the UK. DESIGN: Retrospective analysis of the prospectively collected neonIN infection surveillance network data between 2005 and 2014. SETTING: 30 neonatal units in the UK. PATIENTS: Newborns admitted to participating neonatal units who return a positive blood, cerebrospinal fluid or urine culture and are treated with at least 5 days of appropriate antibiotics...
October 26, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29074457/step-up-empiric-elimination-diet-for-pediatric-and-adult-eosinophilic-esophagitis-the-2-4-6-study
#19
Javier Molina-Infante, Ángel Arias, Javier Alcedo, Ruth Garcia-Romero, Sergio Casabona-Frances, Alicia Prieto-Garcia, Ines Modolell, Pedro L Gonzalez-Cordero, Isabel Perez-Martinez, Jose Luis Martin-Lorente, Carlos Guarner-Argente, Maria L Masiques, Victor Vila-Miravet, Roger Garcia-Puig, Edoardo Savarino, Carlos Teruel Sanchez-Vegazo, Cecilio Santander, Alfredo J Lucendo
BACKGROUND: Numerous dietary restrictions and endoscopies limit the implementation of empiric elimination diets in eosinophilic esophagitis (EoE). Milk and wheat/gluten are the most common food triggers. OBJECTIVE: To assess the effectiveness of a step-up dietary strategy for EoE. METHODS: Prospective study conducted in 14 centers. Patients underwent a 6-week two-food group elimination diet (TFGED) (milk and gluten-containing cereals). Remission was defined by symptom improvement and <15 eos/HPF...
October 23, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29072096/salvia-broussonetii-benth-aroma-profile-and-micromorphological-analysis
#20
Basma Najar, Luisa Pistelli, Claudio Cervelli, Gelsomina Fico, Claudia Giuliani
The volatile profiles (VOC) and the essential oil (EO) composition from the aerial parts of Salvia broussonetii were analysed. Sesquiterpene hydrocarbons dominate the VOCs from leaves (95.7%) and flowers (67.6%), followed by monoterpene hydrocarbons (2.6 and 29.7%, respectively). The main common compounds are germacrene D, β-bourbonene, α-pinene, α-copaene and α-gurjunene, even if with divergent relative abundances. In the leaf EOs the sesquiterpenes prevail, even if not overwhelmingly (about 50.0%), followed by monoterpenes (23...
October 26, 2017: Natural Product Research
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