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https://www.readbyqxmd.com/read/28430333/epiretinal-membrane-negative-staining-and-double-peeling-in-a-single-block-with-brilliant-blue-g
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28423915/isolation-of-flavonoids-from-apple-peel-using-novel-graphene-oxide-cotton-fiber
#13
Z Xu, R Peng, X Chen, R Ghosh, H P V Rupasinghe
A novel graphene oxide cotton fibre (GOF) was used to adsorb flavonoids from crude ethanol extracts derived from apple peels. Ultra-high pressure liquid chromatography-mass spectrometry was used to analyse polyphenol content, and the resulting data demonstrated that GOF-based flash chromatography can be used to efficiently separate polyphenols from sugars and can facilitate the removal of 95% of the sugar content. Flavonoids can be easily separated from phenolic acids. Chalcones and flavonols were eluted with 100% methanol and subsequently flavan-3-ols can be eluted with 0...
April 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28421096/regulation-of-banana-phytoene-synthase-mapsy-expression-characterization-and-their-modulation-under-various-abiotic-stress-conditions
#14
Navneet Kaur, Ashutosh Pandey, Shivani, Prateek Kumar, Pankaj Pandey, Atul K Kesarwani, Shrikant S Mantri, Praveen Awasthi, Siddharth Tiwari
Phytoene synthase (PSY) is a key regulatory enzyme of carotenoid biosynthesis pathway in plants. The present study examines the role of PSY in carotenogenesis and stress management in banana. Germplasm screening of 10 Indian cultivars showed that Nendran (3011.94 μg/100 g dry weight) and Rasthali (105.35 μg/100 g dry weight) contained the highest and lowest amounts of β-carotene, respectively in ripe fruit-pulp. Nendran ripe pulp also showed significantly higher antioxidant activity as compared to Rasthali...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28420692/an-improved-assembly-and-annotation-of-the-allohexaploid-wheat-genome-identifies-complete-families-of-agronomic-genes-and-provides-genomic-evidence-for-chromosomal-translocations
#15
Bernardo J Clavijo, Luca Venturini, Christian Schudoma, Gonzalo Garcia Accinelli, Gemy Kaithakottil, Jonathan Wright, Philippa Borrill, George Kettleborough, Darren Heavens, Helen Chapman, James Lipscombe, Tom Barker, Fu-Hao Lu, Neil McKenzie, Dina Raats, Ricardo H Ramirez-Gonzalez, Aurore Coince, Ned Peel, Lawrence Percival-Alwyn, Owen Duncan, Josua Trösch, Guotai Yu, Dan M Bolser, Guy Namaati, Arnaud Kerhornou, Manuel Spannagl, Heidrun Gundlach, Georg Haberer, Robert P Davey, Christine Fosker, Federica Di Palma, Andrew Phillips, A Harvey Millar, Paul J Kersey, Cristobal Uauy, Ksenia V Krasileva, David Swarbreck, Michael W Bevan, Matthew D Clark
Advances in genome sequencing and assembly technologies are generating many high-quality genome sequences, but assemblies of large, repeat-rich polyploid genomes, such as that of bread wheat, remain fragmented and incomplete. We have generated a new wheat whole-genome shotgun sequence assembly using a combination of optimized data types and an assembly algorithm designed to deal with large and complex genomes. The new assembly represents >78% of the genome with a scaffold N50 of 88.8 kb that has a high fidelity to the input data...
April 18, 2017: Genome Research
https://www.readbyqxmd.com/read/28420255/chemical-and-common-burns-in-children
#16
Shan Yin
Burns are a common cause of preventable morbidity and mortality in children. Thermal and chemical burns are the most common types of burns. Their clinical appearance can be similar and the treatment is largely similar. Thermal burns in children occur primarily after exposure to a hot surface or liquid, or contact with fire. Burns are typically classified based on the depth and total body surface area, and the severity and onset of the burn can also depend on the temperature and duration of contact. Chemical burns are caused by chemicals-most commonly acids and alkalis-that can damage the skin on contact...
May 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28420253/myths-on-chemical-burns-in-the-diaper-area
#17
Kara Shah
Over the past several years, a number of articles and online posts have circulated on the Internet associating use of disposable and cloth diapers with chemical burns on babies' skin. Because both mild chemical burns and diaper dermatitis (diaper rash) can cause skin redness and peeling, it is not surprising that some confusion has arisen regarding the association between these two conditions. However, diapers cannot cause chemical burns because they are made of inert materials. Diaper rash and chemical burns are distinct conditions that require different evaluation and treatment, which is why it is important for pediatricians to help parents understand the difference...
May 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/28419455/human-electrical-muscular-incapacitation-and-effects-on-qtc-interval
#18
John A Gibbons, Andrew J Mojica, Mark E Peele
Human Electrical Muscular Incapacitation (HEMI) is used to subdue combative individuals. Changes in cardiac electrical activity have been proposed as the cause of death in a small fraction of these individuals. The current study sought to determine whether changes in QTc interval occur after HEMI exposure. Twenty-four participants had EKG readings before a 5-second HEMI exposure and within 30 min after exposure. All subject EKGs were read by a data-blinded cardiac electrophysiologist who calculated a QT corrected (QTc) interval...
April 17, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28419402/autologous-free-internal-limiting-membrane-flap-for-optic-nerve-head-pit-with-maculopathy
#19
Palmeera D'Souza, Upendra Babu, Venkatapathy Narendran
Optic disc pits (ODPs) are associated with serous macular detachment (SMD), which causes visual loss in 25% to 75% patients with ODPs. There are various modalities of noninvasive and invasive treatment options; however, the best method of treatment is to seal the optic disc to prevent further egress of fluid into the subretinal space. The authors report a technique that involves sealing of ODPs with autologous free flap of the internal limiting membrane (ILM). After trans pars plana vitrectomy, the ILM was peeled and plugged into the ODP...
April 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28416860/characterization-of-phenolic-profile-and-antioxidant-capacity-of-different-fruit-part-from-lemon-citrus-limon-burm-cultivars
#20
Wanpeng Xi, Juanfang Lu, Junping Qun, Bining Jiao
Phenolic composition and antioxidant capacity of different fruit part including peel, pulp, juice, whole fruit and seed from five lemon cultivars (Feiminailao, Cuningmeng Limeng, Pangdelusaningmeng, Beijingningmeng) were investigated. Caffeic acid (9.31-741.4 μg/g FW) and chlorogenic acid (2.7-527.5 μg/g FW) were the dominant phenolic acid in fruit tested, Pangdelusaningmeng (PD) and Limeng peels with the highest contents, respectively. Hesperidin was the predominant flavanone (10.27-3315 μg/g FW), Cuningmeng (CN) peels with the highest level...
April 2017: Journal of Food Science and Technology
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