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https://www.readbyqxmd.com/read/28441035/arsenic-and-fluoride-removal-by-potato-peel-and-rice-husk-pprh-ash-in-aqueous-environments
#1
Sadia Bibi, Abida Farooqi, Azra Yasmeen, Muhammad Aqeel Kamran, Nabeel Khan Niazi
Finding appropriate adsorbent may improve the quality of drinking water in those regions where arsenic (As) and fluoride (F(-)) are present in geological formations. In this study, we evaluated the efficiency of potato peel and rice husk ash (PPRH-ash) derived adsorbent for the removal of arsenic and fluoride from contaminated water. Evaluation was done in batch adsorption experiments and the effect of pH, initial adsorbate concentration, contact time and adsorbent dose were studied. The characterization of adsorbents were done using scanning electron micropcope (SEM) and Fourier transform infrared (FTIR) spectroscopy...
April 25, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28440368/mangiferin-functionalized-radioactive-gold-nanoparticles-mgf-198-aunps-in-prostate-tumor-therapy-green-nanotechnology-for-production-in-vivo-tumor-retention-and-evaluation-of-therapeutic-efficacy
#2
A Y Al-Yasiri, M Khoobchandani, C S Cutler, L Watkinson, T Carmack, C J Smith, M Kuchuk, S K Loyalka, A B Lugão, K V Katti
We report here an innovative feature of green nanotechnology-focused work showing that mangiferin-a glucose functionalized xanthonoid, found in abundance in mango peels-serves dual roles of chemical reduction and in situ encapsulation, to produce gold nanoparticles with optimum in vivo stability and tumor specific characteristics. The interaction of mangiferin with a Au-198 gold precursor affords MGF-(198)AuNPs as the beta emissions of Au-198 provide unique advantages for tumor therapy while gamma rays are used for the quantitative estimation of gold within the tumors and various organs...
April 25, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28438032/influence-of-drying-methods-on-chemical-compositions-antioxidant-and-antibacterial-activity-of-essential-oil-from-lemon-peel
#3
Liang-Liang Zhang, Shuang Lv, Jian-Guo Xu, Li-Fang Zhang
The influence of natural, hot-air and infrared drying on chemical composition and bioactivity of lemon peel essential oil are investigated in this study. The results showed that drying resulted in losses or increases of some components or production of some new substances, but the d-limonene (59.52-70.01%) was found as the main component of essential oil. Drying brought about decreases in the yield, antioxidant and antibacterial activity of essential oil. However, the natural drying had little effect, while the hot-air and infrared drying resulted in significant decreases in these parameters, especially at the higher temperature...
April 24, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28437318/results-of-macular-hole-surgery-evaluation-based-on-the-international-vitreomacular-traction-study-classification
#4
Laura Liu, Ijilmurun Enkh-Amgalan, Nan-Kai Wang, Lan-Hsin Chuang, Yen-Po Chen, Yih-Shiou Hwang, Chee-Jen Chang, Kuan-Jen Chen, Wei-Chi Wu, Tun-Lu Chen, Chi-Chun Lai
PURPOSE: To evaluate the differences in anatomical and visual function changes after macular hole (MH) surgery using the International Vitreomacular Traction Study classification. METHODS: Patients who underwent vitrectomy and blood-assisted internal limiting membrane peeling because of MHs were enrolled in the present study. The patients were divided into three groups according to the sizes of their MHs (small: ≤250 μm, medium: >250 μm and ≤400 μm, and large: >400 μm)...
April 20, 2017: Retina
https://www.readbyqxmd.com/read/28435776/-self-peel-off-transfer-produces-ultrathin-polyvinylidene-fluoride-based-flexible-nanodevices
#5
Yanlong Tai, Gilles Lubineau
Here, a new strategy, self-peel-off transfer, for the preparation of ultrathin flexible nanodevices made from polyvinylidene-fluoride (PVDF) is reported. In this process, a functional pattern of nanoparticles is transferred via peeling from a temporary substrate to the final PVDF film. This peeling process takes advantage of the differences in the work of adhesion between the various layers (the PVDF layer, the nanoparticle-pattern layer and the substrate layer) and of the high stresses generated by the differential thermal expansion of the layers...
April 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28435209/increase-in-average-foveal-thickness-after-internal-limiting-membrane-peeling
#6
Kazuyuki Kumagai, Mariko Furukawa, Tetsuyuki Suetsugu, Nobuchika Ogino
PURPOSE: To report the findings in three cases in which the average foveal thickness was increased after a thin epiretinal membrane (ERM) was removed by vitrectomy with internal limiting membrane (ILM) peeling. METHODS: The foveal contour was normal preoperatively in all eyes. All cases underwent successful phacovitrectomy with ILM peeling for a thin ERM. The optical coherence tomography (OCT) images were examined before and after the surgery. The changes in the average foveal (1 mm) thickness and the foveal areas within 500 μm from the foveal center were measured...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28432184/management-of-a-case-of-myopic-foveoschisis-with-phakic-intraocular-lens-piol-in-situ-intraoperative-challenges
#7
Atul Kumar, Aditi Mehta, Raghav Dinesh Ravani, Prateek Kakkar
We describe the case of a 30-year-old man with pathological myopia with a phakic intraocular lens (IOL) (Visian ICL V4c model; STAAR, Monrovia, California, USA) in situ having complaints of metamorphopsia in the left eye with documented myopic foveoschisis on swept-source optical coherence tomography (DRI OCT Triton; Topcon, Tokyo, Japan). The patient underwent pars plana vitrectomy with internal limiting membrane peeling. This report discusses the intraoperative challenges occurring as a result of increased optical aberrations in the presence of a phakic IOL...
April 20, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28431510/delayed-response-to-cold-stress-is-characterized-by-successive-metabolic-shifts-culminating-in-apple-fruit-peel-necrosis
#8
Nigel E Gapper, Maarten L A T M Hertog, Jinwook Lee, David A Buchanan, Rachel S Leisso, Zhangjun Fei, Guiqin Qu, James J Giovannoni, Jason W Johnston, Robert J Schaffer, Bart M Nicolaï, James P Mattheis, Christopher B Watkins, David R Rudell
BACKGROUND: Superficial scald is a physiological disorder of apple fruit characterized by sunken, necrotic lesions appearing after prolonged cold storage, although initial injury occurs much earlier in the storage period. To determine the degree to which the transition to cell death is an active process and specific metabolism involved, untargeted metabolic and transcriptomic profiling was used to follow metabolism of peel tissue over 180 d of cold storage. RESULTS: The metabolome and transcriptome of peel destined to develop scald began to diverge from peel where scald was controlled using antioxidant (diphenylamine; DPA) or rendered insensitive to ethylene using 1-methylcyclopropene (1-MCP) beginning between 30 and 60 days of storage...
April 21, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28430333/epiretinal-membrane-negative-staining-and-double-peeling-in-a-single-block-with-brilliant-blue-g
#9
David Martins, Pedro Neves
PURPOSE: To describe a surgical technique for combined peeling of epiretinal and internal limiting membranes. METHODS: The authors present their procedure of choice for epiretinal membrane surgery: negative staining effect using Brilliant Blue G and single block removal of the epiretinal and internal limiting membranes in a single step. RESULTS: A total of 26 eyes were operated with the described technique. In all cases, the peeling was performed successfully and with no complications...
April 18, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28430324/negative-staining-of-the-vitreous-with-the-use-of-vital-dyes
#10
Cesare Mariotti, Michele Nicolai, Simone Donati, Michele Reibaldi
PURPOSE: The vitreous cortex, epiretinal membrane (ERM), and inner limiting membrane (ILM) are transparent tissues and are thus difficult to visualize. Staining these structures can increase the efficiency of a nontraumatic removal. METHODS: The surgeon performs a partial core vitrectomy and induces a posterior vitreous detachment. The vital dye is then injected into the retrohyaloid space in balanced salt solution (BSS). The dyes used are TWIN (Alchimia srl, Padova, Italy), MembraneBlue-Dual (DORC International, Zuidland, the Netherlands), and Doubledyne (Alfa Intes, Casoria, Italy)...
April 13, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28429676/determination-of-dinotefuran-and-its-metabolites-in-orange-pulp-orange-peel-and-whole-orange-using-liquid-chromatography-tandem-mass-spectrometry
#11
Zaihui Yang, Kankan Zhang, Lingzhu Chen, Bin Liu, Qingtao Zhang, Haizhen Zhang, Caiyuan Sun, Deyu Hu
Determination of the polar characteristics of dinotefuran and metabolite residues in orange matrixes (orange pulp, orange peel, and whole orange) is difficult. Thus, the purpose of the present study was to develop an extraction method for the determination of dinotefuran and its metabolites in oranges by using liquid chromatography with tandem mass spectrometry (LC-MS/MS). Matrix suppression effects were observed for all analytes in the orange matrixes. The proposed method displayed satisfactory linearity (R(2) ≥ 0...
April 21, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28428773/mutation-at-g103-of-mtbftsz-altered-their-sensitivity-to-coumarins
#12
Duggirala Sridevi, Karpagam U Sudhakar, Ragamanvitha Ananthathatmula, Rakesh P Nankar, Mukesh Doble
Coumarins are natural polyphenol lactones comprising of fused rings of benzene and α-pyrone. The current study demonstrates the inhibitory effect of coumarins with various substitutions on Mycobacterium smegmatis mc(2) 155. We also demonstrate the effect of pomegranate (Punica granatum) extract containing ellagic acid, on M. smegmatis as well as their affect on MtbFtsZ (FtsZ from Mycobacterium tuberculosis). The ellagic acid extracts from pomegranate peels inhibit mycobacteria with a MIC of 25 μM and 0.3 to 3...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28428136/hesperetin-derivative-14-alleviates-inflammation-by-activating-ppar-%C3%AE-in-mice-with-ccl4-induced-acute-liver-injury-and-lps-treated-raw264-7-cells
#13
Xin Chen, Hai-Wen Ding, Hai-Di Li, Hui-Min Huang, Xiao-Feng Li, Yang Yang, Yi-Long Zhang, Xue-Yin Pan, Cheng Huang, Xiao-Ming Meng, Jun Li
Hesperetin is a flavanone glycoside compound naturally occurring in the fruit peel of Citrusaurantium L. (Rutaceae). Previous studies revealed that hesperetin possesses various pharmacological effects, including anti-inflammation, anti-tumor, anti-oxidant and neuroprotective properties. Hesperetin derivative-14 (HD-14) is a derivative of hesperetin improved in water solubility and bioavailability. In this study, we indicated that HD-14 (2μM) significantly attenuated inflammation in LPS-treated RAW264.7 cells and had hepato-protective effects and anti-inflammatory effects (100mg/kg) on C57BL/6J mice with CCl4-induced acute liver injury...
April 17, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28427659/synergistic-extraction-of-gold-from-the-refractory-gold-ore-via-ultrasound-and-chlorination-oxidation
#14
Likang Fu, Libo Zhang, Shixing Wang, Wei Cui, Jinhui Peng
A synergistic extraction method for gold from the refractory gold ores via ultrasound and chlorination-oxidation was developed. The effects of solid-liquid ratio, extraction time, ultrasound power, NaClO concentration and NaOH concentration on the extraction rate of gold from the refractory gold ore were investigated. The optimum conditions were as follows: NaClO concentration of 1.5mol/L, NaOH concentration of 1.5mol/L, solid-liquid ratio of 5, ultrasound power of 200W and ultrasound time of 2h. Under the optimal conditions, 68...
July 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28427073/surgical-management-and-techniques
#15
Marco Codenotti, Lorenzo Iuliano, Gisella Maestranzi
Technical advancements have substantially extended the indications for surgery in diabetic retinopathy (DR) during the last 40 years, from the traditional indications including non-clearing vitreous hemorrhage, traction retinal detachment (RD), and traction-rhegmatogenous RD, to epiretinal membrane (ERM), vitreomacular traction, diffuse macular edema, neovascular glaucoma, and anterior hyaloid fibrovascular proliferation. The goals of vitreoretinal surgery in DR are multiple: clearing media opacities, release of traction (anteroposterior and/or tangential), segmentation and/or removal of traction bands, peeling of ERMs, hemostasis, laser photocoagulation, and tamponade of retinal breaks with gas or silicone oil...
2017: Developments in Ophthalmology
https://www.readbyqxmd.com/read/28426090/oleuropein-down-regulated-il-1%C3%AE-induced-inflammation-and-oxidative-stress-in-human-synovial-fibroblast-cell-line-sw982
#16
Maria Luisa Castejón, Maria Ángeles Rosillo, Tatiana Montoya, Alejandro González-Benjumea, Jose Maria Fernández-Bolaños, Catalina Alarcón-de-la-Lastra
Rheumatoid arthritis (RA) is a chronic and systemic inflammatory autoimmune disease mainly characterized by aggressive hyperproliferation of synovial fibroblasts (SFs). It is accompained by a massive infiltration of inflammatory immune cells inducing progressive matrix degradation, destruction of cartilage and bone erosion through the production of inflammatory mediators. Oleuropein is the most prevalent phenolic component in olive leaves, seed, pulp and peel of unripe olives and is responsible for the characteristic bitter taste of unprocessed olives...
April 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28425468/transcriptome-analysis-of-mango-mangifera-indica-l-fruit-epidermal-peel-to-identify-putative-cuticle-associated-genes
#17
Julio C Tafolla-Arellano, Yi Zheng, Honghe Sun, Chen Jiao, Eliel Ruiz-May, Miguel A Hernández-Oñate, Alberto González-León, Reginaldo Báez-Sañudo, Zhangjun Fei, David Domozych, Jocelyn K C Rose, Martín E Tiznado-Hernández
Mango fruit (Mangifera indica L.) are highly perishable and have a limited shelf life, due to postharvest desiccation and senescence, which limits their global distribution. Recent studies of tomato fruit suggest that these traits are influenced by the expression of genes that are associated with cuticle metabolism. However, studies of these phenomena in mango fruit are limited by the lack of genome-scale data. In order to gain insight into the mango cuticle biogenesis and identify putative cuticle-associated genes, we analyzed the transcriptomes of peels from ripe and overripe mango fruit using RNA-Seq...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424563/traumatic-reopening-of-macular-hole-following-successful-surgical-repair
#18
Margaret Wong, Robert L Halpern, James H Frank
A 75-year-old Caucasian female with a full-thickness macular hole underwent a successful surgical repair. Vision improved from 20/400 to 20/30 after surgery. Two years later, the patient presented with a decreased vision after a fall onto her face with a reopened full-thickness macular hole. Vision decreased to 20/400 and then she underwent a second surgery with an internal limiting membrane peeling, which resulted in a second successful closure of her macular hole. Vision following the second surgery was 20/100...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28424253/identification-of-acute-hiv-1-infection-by-hologic-aptima-hiv-1-rna-qualitative-assay
#19
Mark M Manak, Leigh Anne Eller, Jennifer Malia, Linda L Jagodzinski, Rapee Trichavaroj, Joseph Oundo, Cornelia Lueer, Fatim Cham, Mark de Souza, Nelson L Michael, Merlin L Robb, Sheila A Peel
The Hologic Aptima HIV-1 Qualitative RNA assay was used in a rigorous screening approach designed to identify individuals at the earliest stage of HIV-1 infection for enrollment into subsequent studies of cellular and viral events in early infection (RV217/Early Capture HIV Cohort - ECHO Study). Volunteers at high risk of HIV-1 infection were recruited from study sites in Thailand, Tanzania, Uganda and Kenya with high HIV-1 prevalence rates among the populations examined. Small volume blood samples were collected by finger-stick at twice-weekly intervals and tested by Aptima...
April 19, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28424206/extending-the-fossil-record-of-polytrichaceae-early-cretaceous-meantoinea-alophosioides-gen-et-sp-nov-permineralized-gametophytes-with-gemma-cups-from-vancouver-island
#20
Alexander C Bippus, Ruth A Stockey, Gar W Rothwell, Alexandru M F Tomescu
PREMISE OF THE STUDY: Diverse in modern ecosystems, mosses are dramatically underrepresented in the fossil record. Furthermore, most pre-Cenozoic mosses are known only from compression fossils, lacking detailed anatomical information. When preserved, anatomy vastly improves resolution in the systematic placement of fossils. Lower Cretaceous deposits at Apple Bay (Vancouver Island, British Columbia, Canada) contain a diverse anatomically preserved flora that includes numerous bryophytes, many of which have yet to be characterized...
April 19, 2017: American Journal of Botany
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