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https://www.readbyqxmd.com/read/29203912/bacterial-resistance-to-silver-nanoparticles-and-how-to-overcome-it
#1
Aleš Panáček, Libor Kvítek, Monika Smékalová, Renata Večeřová, Milan Kolář, Magdalena Röderová, Filip Dyčka, Marek Šebela, Robert Prucek, Ondřej Tomanec, Radek Zbořil
Silver nanoparticles have already been successfully applied in various biomedical and antimicrobial technologies and products used in everyday life. Although bacterial resistance to antibiotics has been extensively discussed in the literature, the possible development of resistance to silver nanoparticles has not been fully explored. We report that the Gram-negative bacteria Escherichia coli 013, Pseudomonas aeruginosa CCM 3955 and E. coli CCM 3954 can develop resistance to silver nanoparticles after repeated exposure...
December 4, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/29190534/abundance-and-potential-contribution-of-gram-negative-cheese-rind-bacteria-from-austrian-artisanal-hard-cheeses
#2
Stephan Schmitz-Esser, Monika Dzieciol, Eva Nischler, Elisa Schornsteiner, Othmar Bereuter, Evelyne Mann, Martin Wagner
Many different Gram-negative bacteria have been shown to be present on cheese rinds. Their contribution to cheese ripening is however, only partially understood until now. Here, cheese rind samples were taken from Vorarlberger Bergkäse (VB), an artisanal hard washed-rind cheese from Austria. Ripening cellars of two cheese production facilities in Austria were sampled at the day of production and after 14, 30, 90 and 160days of ripening. To obtain insights into the possible contribution of Advenella, Psychrobacter, and Psychroflexus to cheese ripening, we sequenced and analyzed the genomes of one strain of each genus isolated from VB cheese rinds...
November 26, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29162124/geraniin-extracted-from-the-rind-of-nephelium-lappaceum-binds-to-dengue-virus-type-2-envelope-protein-and-inhibits-early-stage-of-virus-replication
#3
Siti Aisyah Abdul Ahmad, Uma D Palanisamy, Bimo A Tejo, Miaw Fang Chew, Hong Wai Tham, Sharifah Syed Hassan
BACKGROUND: The rapid rise and spread in dengue cases, together with the unavailability of safe vaccines and effective antiviral drugs, warrant the need to discover and develop novel anti-dengue treatments. In this study the antiviral activity of geraniin, extracted from the rind of Nephelium lappaceum, against dengue virus type-2 (DENV-2) was investigated. METHODS: Geraniin was prepared from Nephelium lappaceum rind by reverse phase C-18 column chromatography. Cytotoxicity of geraniin towards Vero cells was evaluated using MTT assay while IC50 value was determined by plaque reduction assay...
November 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/29155888/correction-potentiated-virucidal-activity-of-pomegranate-rind-extract-pre-and-punicalagin-against-herpes-simplex-virus-hsv-when-co-administered-with-zinc-ii-ions-and-antiviral-activity-of-pre-against-hsv-and-aciclovir-resistant-hsv
#4
https://www.readbyqxmd.com/read/29153637/quality-of-life-and-functional-capacity-outcomes-in-the-momentum-3-trial-at-6-months-a-call-for-new-metrics-for-left-ventricular-assist-device-patients
#5
Jennifer A Cowger, Yoshifumi Naka, Keith D Aaronson, Douglas Horstmanshof, Sanjeev Gulati, Debbie Rinde-Hoffman, Sean Pinney, Sirtaz Adatya, David J Farrar, Ulrich P Jorde
BACKGROUND: The Multicenter Study of MAGLEV Technology in Patients Undergoing Mechanical Circulatory Support Therapy with HeartMate 3 (MOMENTUM 3) clinical trial demonstrated improved 6-month event-free survival, but a detailed analysis of health-related quality of life (HR-QOL) and functional capacity (FC) was not presented. Further, the effect of early serious adverse events (SAEs) on these metrics and on the general ability to live well while supported with a left ventricular assist system (LVAS) warrants evaluation...
October 24, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29151845/measuring-the-compressive-modulus-of-elasticity-of-pith-filled-plant-stems
#6
Loay A Al-Zube, Daniel J Robertson, Jean N Edwards, Wenhuan Sun, Douglas D Cook
Background: The compressional modulus of elasticity is an important mechanical property for understanding stalk lodging, but this property is rarely available for thin-walled plant stems such as maize and sorghum because excised tissue samples from these plants are highly susceptible to buckling. The purpose of this study was to develop a testing protocol that provides accurate and reliable measurements of the compressive modulus of elasticity of the rind of pith-filled plant stems. The general approach was to relying upon standard methods and practices as much as possible, while developing new techniques as necessary...
2017: Plant Methods
https://www.readbyqxmd.com/read/29150475/uptodate-adherence-to-grade-criteria-for-strong-recommendations-an-analytical-survey
#7
Thomas Agoritsas, Arnaud Merglen, Anja Fog Heen, Annette Kristiansen, Ignacio Neumann, Juan P Brito, Romina Brignardello-Petersen, Paul E Alexander, David M Rind, Per O Vandvik, Gordon H Guyatt
INTRODUCTION: UpToDate is widely used by clinicians worldwide and includes more than 9400 recommendations that apply the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework. GRADE guidance warns against strong recommendations when certainty of the evidence is low or very low (discordant recommendations) but has identified five paradigmatic situations in which discordant recommendations may be justified. OBJECTIVES: Our objective was to document the strength of recommendations in UpToDate and assess the frequency and appropriateness of discordant recommendations...
November 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/29101602/garcinia-mangostana-linn-displays-antidepressant-like-and-pro-cognitive-effects-in-a-genetic-animal-model-of-depression-a-bio-behavioral-study-in-the-flinders-sensitive-line-rat
#8
Inge Oberholzer, Marisa Möller, Brendan Holland, Olivia M Dean, Michael Berk, Brian H Harvey
There is abundant evidence for both disorganized redox balance and cognitive deficits in major depressive disorder (MDD). Garcinia mangostana Linn (GM) has anti-oxidant activity. We studied the antidepressant-like and pro-cognitive effects of raw GM rind in Flinders Sensitive Line (FSL) rats, a genetic model of depression, following acute and chronic treatment compared to a reference antidepressant, imipramine (IMI). The chemical composition of the GM extract was analysed for levels of α- and γ-mangostin...
November 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29076245/highly-selective-and-efficient-imprinted-polymers-based-on-carboxyl-functionalized-magnetic-nanoparticles-for-the-extraction-of-gallic-acid-from-pomegranate-rind
#9
Junjie Zhang, Benqiang Li, Huijuan Yue, Jing Wang, Yuansuo Zheng
With the combined surface imprinting technique and immobilized template strategy, molecularly imprinted magnetic nanoparticles were successfully prepared and coupled with high-performance liquid chromatography to selectively separate and determine gallic acid from the pomegranate rind. On the surface of carboxyl-functionalized magnetic nanospheres, thin imprinting shells were formed using dopamine as monomer and crosslinker. The characteristics, polymerization conditions, and adsorption performances of the resultant nanomaterials were investigated in detail...
October 27, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29073967/inhibition-of-glycogen-synthase-kinase-3%C3%AE-blocks-mesomesenchymal-transition-and-attenuates-streptococcus-pneumonia-mediated-pleural-injury-in-mice
#10
Jake Boren, Grant Shryock, Alexis Fergis, Ann Jeffers, Shuzi Owens, Wenyi Qin, Kathleen B Koenig, Yoshikazu Tsukasaki, Satoshi Komatsu, Mitsuo Ikebe, Steven Idell, Torry A Tucker
Pleural loculation affects about 30,000 patients annually in the United States and in severe cases can resolve with restrictive lung disease and pleural fibrosis. Pleural mesothelial cells contribute to pleural rind formation by undergoing mesothelial mesenchymal transition (MesoMT), whereby they acquire a profibrotic phenotype characterized by increased expression of α-smooth muscle actin and collagen 1. Components of the fibrinolytic pathway (urokinase plasminogen activator and plasmin) are elaborated in pleural injury and strongly induce MesoMT in vitro...
November 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/29068372/deep-sequencing-data-and-infectivity-assays-indicate-that-chickpea-chlorotic-dwarf-virus-is-the-etiological-agent-of-the-hard-fruit-syndrome-of-watermelon
#11
Takoua Zaagueri, Laura Miozzi, Monia Mnari-Hattab, Emanuela Noris, Gian Paolo Accotto, Anna Maria Vaira
Chickpea chlorotic dwarf virus (CpCDV), a polyphagous mastrevirus, family Geminiviridae, has been recently linked to the onset of the "hard fruit syndrome" of watermelon, first described in Tunisia, that makes fruits unmarketable due to the presence of white hard portions in the flesh, chlorotic mottling on the rind, and an unpleasant taste. To investigate the etiological agent of this disease, total RNA extracted from symptomatic watermelon fruits was subjected to small RNA sequencing through next generation sequencing (NGS) techniques...
October 25, 2017: Viruses
https://www.readbyqxmd.com/read/29059675/nasonia-parasitic-wasps-escape-from-haller-s-rule-by-diphasic-partially-isometric-brain-body-size-scaling-and-selective-neuropil-adaptations
#12
Jitte Groothuis, Hans M Smid
Haller's rule states that brains scale allometrically with body size in all animals, meaning that relative brain size increases with decreasing body size. This rule applies both on inter- and intraspecific comparisons. Only 1 species, the extremely small parasitic wasp Trichogramma evanescens, is known as an exception and shows an isometric brain-body size relation in an intraspecific comparison between differently sized individuals. Here, we investigated if such an isometric brain-body size relationship also occurs in an intraspecific comparison with a slightly larger parasitic wasp, Nasonia vitripennis, a species that may vary 10-fold in body weight upon differences in levels of scramble competition during larval development...
2017: Brain, Behavior and Evolution
https://www.readbyqxmd.com/read/29054523/glandular-hair-constituents-of-mallotus-philippinensis-muell-fruit-act-as-tyrosinase-inhibitors-insights-from-enzyme-kinetics-and-simulation-study
#13
Hridya Hemachandran, Fagun Jain, Sankari Mohan, Thirumal Kumar D, George Priya Doss C, Siva Ramamoorthy
The glandular hair extracts from the fruit rind of Mallotus philippinensis Muell. is employed to treat various skin infections, however the anti-tyrosinase activity remains unknown. Hence the present study inspected on the anti-melanogenic activity of M. philippinensis constituents. Lineweaver Burk plot revealed mixed inhibition for Rottlerin; non-competitive type of inhibition for mallotophilippen A and B respectively. Thermodynamic studies resulted in static quenching forming ground state complex with higher binding constant temperature dependently...
October 18, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29039600/synergism-between-%C3%AE-mangostin-and-trail-induces-apoptosis-in-squamous-cell-carcinoma-of-the-oral-cavity-through-the-mitochondrial-pathway
#14
Masakatsu Fukuda, Hide Sakashita, Hiroyasu Hayashi, Junya Shiono, Genki Miyake, Yusuke Komine, Fuyoko Taira, Hideaki Sakashita
Mangosteen (Garcinia mangostana) is a tree found in South-East Asia and the pericarp of its fruit has been used in folk medicine for the treatment of many human illnesses. Mangosteen fruit rinds contain a high concentration of xanthone, which is a type of polyphenol. One type of xanthone, α-mangostin, has been reported to exert chemopreventive effects against chemically-induced colon cancer through the decrease of c-Myc expression, suppressing tumor growth in a mouse model of mammary cancer. A recent study demonstrated the inhibitive effect of α-mangostin on the growth of prostate cancer...
October 12, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29037733/continuous-exposure-to-ethylene-in-the-storage-environment-adversely-affects-afourer-mandarin-fruit-quality
#15
Yongxin Li, John B Golding, Jayashree Arcot, Ron B H Wills
'Afourer' mandarins were stored in air containing ethylene at 0.001, 0.01, 0.1, and 1μLL(-1) at 20, 10, 5 and 0°C and changes in a range of external and internal quality parameters were examined for up to 10weeks in storage. At all storage temperatures, reducing ethylene concentration in the storage environment decreased the rate of respiration, visible deterioration of the calyx region, ethanol accumulation in the juice, loss of eating quality, and at chilling temperatures reduced rind pitting. The quality attributes limiting mandarin storage life differed between the different storage temperatures but retention of mandarin quality was always optimised by maintaining the lowest possible ethylene atmosphere around fruit...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29034202/wound-healing-potentials-of-thevetia-peruviana-antioxidants-and-inflammatory-markers-criteria
#16
Nazneen Rahman, Haseebur Rahman, Mir Haris, Riaz Mahmood
Thevetia peruviana is a medicinal plant used in the treatment of external wounds, infected area, ring worms, tumours etc. in traditional system of medicine. The aim of the study was to evaluate the wound healing potentials of T. peruviana leaves hexane (LH) and fruit rind (FW) water extracts and to prove the folkloric claims. The antimicrobial, antioxidant and anti-inflammatory potentials could be important strategies in defining potent wound healing drug. Based on these approaches the current study was designed using incision, excision and dead space wound models with the biochemical, antioxidant enzymes and inflammatory marker analysis...
October 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/28990815/anti-inflammatory-effect-of-ethanolic-extract-of-spine-skin-and-rind-of-jack-fruit-peel-a-comparative-study
#17
M Meera, A Ruckmani, R Saravanan, R Lakshmipathy Prabhu
The present study was conducted to identify the chemical constituents and evaluate the anti-inflammatory activity of crude ethanolic extracts of spine, skin and rind of jack fruit (Artocarpus heterophyllus) peel. Polyphenol and flavonoid contents were assessed using Folin's Ciocalteu reagent and aluminium chloride methods which revealed 316, 355 and 382 mg tannic acid equivalent/g of polyphenol and 96.7, 131.6 and 164.6 mg quercetin equivalent/g of flavonoid in spine, skin and rind, respectively. Anti-inflammatory activity of all three extracts was comparable to diclofenac in vitro and in vivo studies...
October 9, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28981216/repeated-measurements-of-carotid-atherosclerosis-and-future-risk-of-venous-thromboembolism-the-troms%C3%A3-study
#18
B Småbrekke, L B Rinde, E M Hald, I Njølstad, E B Mathiesen, S H Johnsen, J-B Hansen, S K Braekkan, W M Lijfering
Essentials The relationship between atherosclerosis and venous thromboembolism (VTE) is controversial. In total, 10 426 participants recruited from the general population were included. Carotid intima media thickness and total plaque area was not associated with VTE. There was no association between plaque initiation or plaque progression and subsequent VTE. SUMMARY: Background Whether a relationship between atherosclerosis and subsequent venous thromboembolism (VTE) exists is controversial...
October 5, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/28968532/listeria-monocytogenes-in-gorgonzola-cheese-study-of-the-behaviour-throughout-the-process-and-growth-prediction-during-shelf-life
#19
Elena Dalzini, Elena Cosciani-Cunico, Paola Monastero, Valentina Bernini, Erasmo Neviani, Alberto Bellio, Lucia Decastelli, Marina-Nadia Losio, Paolo Daminelli, Giorgio Varisco
As reported on RASFF's portal, in the first 9months of 2016, a total of 13 "alerts/information for attention" were issued concerning the presence of Listeria monocytogenes in mould cheeses throughout Europe. This study analyzes the behaviour of L. monocytogenes in Gorgonzola cheese, a typical Italian soft blue-veined cheese, when contaminated at different time points. In the first challenge test, the pasteurized milk was contaminated and the complete cheese manufacture (cheesemaking, ripening) and shelf life was simulated...
December 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28953471/a-novel-biochar-from-manihot-esculenta-crantz-waste-application-for-the-removal-of-malachite-green-from-wastewater-and-optimization-of-the-adsorption-process
#20
Buscotin Horax Beakou, Kaoutar El Hassani, Mohammed Amine Houssaini, Mounir Belbahloul, Elhassan Oukani, Abdellah Anouar
The adsorptive removal of Malachite Green (MG) by a novel biochar namely Cassava Rind Carbon (CRC) was studied in a batch system. Moreover, Box-Behnken Response Surface Methodology was used to optimize operating conditions of the adsorption process. Characterization was done by Thermo Gravimetric Analysis (TGA), Attenuated Total Reflectance Fourier Transform Infra-Red Spectroscopy (ATR/FTIR), Brunauer-Emmett-Teller (BET) surface area, Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD) and pH zero charge point (pHZCP)...
September 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
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