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https://www.readbyqxmd.com/read/29785511/lamellar-macular-holes-surgical-outcome-of-106-patients-with-long-term-follow-up
#1
Marco Coassin, Valentina Mastrofilippo, Jay M Stewart, Andrea Fanti, Matteo Belpoliti, Luca Cimino, Alfonso Iovieno, Luigi Fontana
PURPOSE: To determine long-term results of vitrectomy for lamellar macular holes (LMH). To evaluate how the type of lamellar macular hole (tractional vs. degenerative) and the crystalline lens status might influence visual outcomes. METHODS: We collected data from 106 patients with symptomatic lamellar macular hole that underwent pars plana vitrectomy with membranectomy and internal limiting membrane peeling. Best-corrected visual acuity (BCVA) and optical coherence tomography appearance were determined preoperatively and postoperatively...
May 21, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29782680/camphor-enabled-transfer-and-mechanical-testing-of-centimeter-scale-ultrathin-films
#2
Bin Wang, Da Luo, Zhancheng Li, Youngwoo Kwon, Meihui Wang, Min Goo, Sunghwan Jin, Ming Huang, Yongtao Shen, Haofei Shi, Feng Ding, Rodney S Ruoff
Camphor is used to transfer centimeter-scale ultrathin films onto custom-designed substrates for mechanical (tensile) testing. Compared to traditional transfer methods using dissolving/peeling to remove the support-layers, camphor is sublimed away in air at low temperature, thereby avoiding additional stress on the as-transferred films. Large-area ultrathin films can be transferred onto hollow substrates without damage by this method. Tensile measurements are made on centimeter-scale 300 nm-thick graphene oxide film specimens, much thinner than the ≈2 μm minimum thickness of macroscale graphene-oxide films previously reported...
May 21, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#3
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29780961/myopic-shift-in-a-pseudophakic-eye-with-an-accommodating-iol-following-vitrectomy-with-gas-tamponade
#4
Jonathan Aker, Jessica Dowling, Lawrence Halperin
Purpose: To report the case of a patient with Crystalens, an accommodating posterior-chamber intraocular lens (IOL), who experienced a myopic shift following subsequent vitrectomy with gas tamponade. We propose a hypothesis as to why this myopic shift occurred and analyze its validity based on current literature. Observations: A patient had cataract surgery with implantation of a Crystalens AT-50AO +21D. Preoperative A-scan measured anterior chamber depth (ACD) to be 3...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29777568/cost-efficient-magnetic-nanoporous-carbon-derived-from-citrus-peel-for-the-selective-adsorption-of-seven-insecticides
#5
Yuantao Zhou, Shurui Cao, Cunxian Xi, Jiuyan Chen, Lei Zhang, Xianliang Li, Guomin Wang, Zhiqiong Chen
A magnetic solid-phase extraction adsorbent that consisted of citrus peel-derived nanoporous carbon and silica-coated Fe3 O4 microspheres (C/SiO2 @Fe3 O4 ) was successfully fabricated by co-precipitation. As a modifier for magnetic microspheres, citrus peel-derived nanoporous carbon was not only economical and renewable for its raw material, but exerted enormous nanosized pore structure, which could directly influence the type of adsorbed analytes. The C/SiO2 @Fe3 O4 also possessed the advantages of Fe3 O4 microspheres like superparamagnetism, that could be easily separated magnetically after adsorption...
May 18, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29775715/extraction-characterization-and-immunomodulatory-property-of-pectic-polysaccharide-from-pomegranate-peels-enzymatic-vs-conventional-approach
#6
Hassan Ahmadi Gavlighi, Mehdi Tabarsa, SangGuan You, Utoomporn Surayot, Maryam Ghaderi-Ghahfarokhi
Molecular characteristics, structural properties and immunostimulatory activities of polysaccharides from pomegranate peel were evaluated after 0.1 M HCl, Cellic CTec2 and buffer extractions. The isolated polysaccharides were mainly formed of neutral sugars (32.1%-51.1%) and uronic acids (19.9%-30.8%) as well as varying levels of proteins (15.0%-39.5%). Different levels of sugars including glucose (44.9%-68.1%), galactose (14.6%-19.4%), mannose (3.4%-18.1%), arabinose (3.1%-18.1%) and rhamnose (3.5-6.0%) constructed the structure of isolated polysaccharides...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775069/simultaneous-release-and-labelling-of-o-and-n-glycans-allowing-for-rapid-glycomic-analysis-by-online-lc-uv-esi-ms-ms
#7
Chengjian Wang, Yu Lu, Jianli Han, Wanjun Jin, Lingmei Li, Ying Zhang, Xuezheng Song, Linjuan Huang, Zhongfu Wang
Most glycoproteins and biological protein samples undergo both O- and N-glycosylation, making characterization of their structures very complicated and time-consuming. Nevertheless, to fully understand the biological functions of glycosylation, both the glycosylation forms need to be analyzed. Herein we report a versatile, convenient one-pot method in which O- and N-glycans are simultaneously released from glycoproteins and chromogenically labelled in situ and thus available for further characterization. In this procedure, glycoproteins are incubated with 1-phenyl-3-methyl-5-pyrazolone (PMP) in aqueous ammonium hydroxide, making O-glycans released from protein backbones by beta-elimination and N-glycans liberated by alkaline hydrolysis...
May 18, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/29772658/in-vitro-iron-bioavailability-of-brazilian-food-based-by-products
#8
Gabriela M Chiocchetti, Elisabete A De Nadai Fernandes, Anna A Wawer, Susan Fairweather-Tait, Tatiana Christides
Background : Iron deficiency is a public health problem in many low- and middle-income countries. Introduction of agro-industrial food by-products, as additional source of nutrients, could help alleviate this micronutrient deficiency, provide alternative sources of nutrients and calories in developed countries, and be a partial solution for disposal of agro-industry by-products. Methods : The aim of this study was to determine iron bioavailability of 5 by-products from Brazilian agro-industry (peels from cucumber, pumpkin, and jackfruit, cupuaçu seed peel, and rice bran), using the in vitro digestion/ Caco-2 cell model; with Caco-2 cell ferritin formation as a surrogate marker of iron bioavailability...
May 16, 2018: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29772039/five-year-outcomes-of-surgically-treated-symptomatic-epiretinal-membranes-with-and-without-internal-limiting-membrane-peeling
#9
Harris Sultan, Charles C Wykoff, Ankoor R Shah
BACKGROUND AND OBJECTIVE: The authors evaluated long-term postoperative visual outcomes and recurrence rates following surgery for symptomatic epiretinal membrane (ERM) ± internal limiting membrane (ILM) peeling. PATIENTS AND METHODS: This was a retrospective, consecutive case series of 78 patients undergoing vitrectomy for symptomatic ERM between 1/2010 and 4/2012 with follow-up through at least postoperative year 5 (POY5). Outcomes included visual acuity (VA) (Snellen VA converted to logMAR), central retinal thickness (CRT; μm), and ERM recurrence...
May 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29768847/synthesis-of-antioxidative-conductive-copper-inks-with-superior-adhesion
#10
Wei-Yang Ma, Yao-Yi Cheng, Jia-Kun Chen, Kai-Hsuan Chan, Zheng-Jie Lin, Wei-Hao Chou, Wei-Chen Chang
Conductive films have attracted much attention in the printed electronics industry. To date, expensive conductive silver inks have been utilized widely in these conductive films, which ultimately increase the cost. Hence the alternative low-cost copper inks will be of great interest in the future. This paper will present how to synthesize antioxidative conductive copper inks with superior adhesion to FR4 substrates. The antioxidative conductive copper inks were prepared by dispersing the antioxidative copper nanoparticles in diethylene glycol with the bisphenol-F type BEF170 epoxy resin as a binder and the Methyl-5-norbornene-2,3-dicarboxylic anhydride (NMA) as a curing agent, then were coated on FR4 substrates to form the copper films, followed by sintering at 250 °C in nitrogen atmosphere for 20 minutes...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29768481/complexity-in-african-savannas-direct-indirect-and-cascading-effects-of-animal-densities-rainfall-and-vegetation-availability
#11
Tim Leeuwis, Mike Peel, Willem F de Boer
Savanna ecosystems are popular subjects for interaction studies. Multiple studies have been done on the impact of elephants on vegetation, the impact of grass and browse availability on animal densities or on competition between herbivore species. Previous studies showed that elephant densities are frequently negatively correlated with densities of tall trees, and that browse and grass availability are correlated with browser and grazer density respectively. Additionally, a competition effect between browse and grass availability has been reported...
2018: PloS One
https://www.readbyqxmd.com/read/29767499/large-area-%C3%AE-cu2s-particles-stacked-nanorod-arrays-by-laser-ablation-in-liquid-and-their-strongly-structurally-enhanced-and-stable-visible-photoelectric-performances
#12
Haoming Bao, Hongwen Zhang, Le Zhou, Hao Fu, Guangqiang Liu, Yue Li, Weiping Cai
A flexible route is developed for fabrication of large area α-Cu2S nanorod arrays (NRAs) based on one step laser ablating a copper foil in CS2 liquid. It has been demonstrated that the obtained products are the high temperature phase α-Cu2S and consist of the nanorods vertically standing on the Cu foil, exhibiting the array. The nanorods were about 1 μm in length and around 100 nm in thickness, and built by stacking the nearly spherical and <110>-oriented nanoparticles (NPs) up. Such array can be peeled off from the foil and free-standing...
May 16, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29767467/treatment-of-periorbital-dark-circles-comparative-study-of-carboxy-therapy-vs-chemical-peeling-vs-mesotherapy
#13
Naglaa A Ahmed, Salma S Mohammed, Mohammad I Fatani
OBJECTIVE: Evaluation and comparison of the efficacy and safety of 3 different modalities of treatment for dark circles that function via different modes of action. METHODS: In total, 45 female patients with periorbital hyperpigmentation were randomly selected to participate from those attending the outpatient dermatology clinic of Al-Zahraa University Hospital within a 6-month period. Patients were divided into 3 groups, and the groups were subjected to different types of therapy: group A, carboxy therapy; group B, chemical peel; and group C, vitamin C mesotherapy...
May 16, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29767217/assessing-mentorship-experiences-of-faculty-at-a-military-academic-center-challenge-and-opportunity
#14
Kevin C McMains, Rechell G Rodriguez, Jennifer Peel, Heather C Yun, Mark W True, Woodson S Jones
OBJECTIVES: Mentor relationships are a key component of professional development within academic medicine. To date, there are no investigations into the prevalence and effects of mentor relationships within military academic medicine. This quality improvement initiative aimed to establish the prevalence and effects of mentorship, including whether sex differences exist among faculty at a military academic center, the San Antonio Uniformed Services Health Education Consortium, and identify opportunities to improve faculty development efforts for mentorship to benefit faculty at this institution...
May 2018: Southern Medical Journal
https://www.readbyqxmd.com/read/29766800/antifungal-activity-gas-chromatographic-mass-spectrometric-analysis-and-in-silico-study-of-punica-granatum-peel-extracts-against-fluconazole-resistant-strains-of-candida-species
#15
Sony Paul, M Kalyani, I Kannan
AIMS: Candida species is the common cause of opportunistic fungal infections all over the world with increased mortality and morbidity especially in immunosuppressed patients. Fluconazole is the first line therapy for candidiasis. The antifungal resistance pattern in high-risk patients is a major concern. The present study was aimed to assess the anticandidal activity of Punica granatum peel against fluconazole resistant Candida species isolated from HIV patients. MATERIALS & METHODS: Ethanol, chloroform, petroleum ether and aqueous extracts of the peel of P...
May 14, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29766038/frontal-eye-field-inactivation-reduces-saccade-preparation-in-the-superior-colliculus-but-does-not-alter-how-preparatory-activity-relates-to-saccades-of-a-given-latency
#16
Suryadeep Dash, Tyler R Peel, Stephen G Lomber, Brian D Corneil
A neural correlate for saccadic reaction times (SRTs) in the gap saccade task is the level of low-frequency activity in the intermediate layers of the superior colliculus (iSC) just before visual target onset: greater levels of such preparatory iSC low-frequency activity precede shorter SRTs. The frontal eye fields (FEFs) are one likely source of iSC preparatory activity, since FEF preparatory activity is also inversely related to SRT. To better understand the FEF's role in saccade preparation, and the way in which such preparation relates to SRT, in two male rhesus monkeys, we compared iSC preparatory activity across unilateral reversible cryogenic inactivation of the FEF...
March 2018: ENeuro
https://www.readbyqxmd.com/read/29765797/electrodeposition-of-reduced-graphene-oxide-with-chitosan-based-on-the-coordination-deposition-method
#17
Mingyang Liu, Yanjun Chen, Chaoran Qin, Zheng Zhang, Shuai Ma, Xiuru Cai, Xueqian Li, Yifeng Wang
The electrodeposition of graphene has drawn considerable attention due to its appealing applications for sensors, supercapacitors and lithium-ion batteries. However, there are still some limitations in the current electrodeposition methods for graphene. Here, we present a novel electrodeposition method for the direct deposition of reduced graphene oxide (rGO) with chitosan. In this method, a 2-hydroxypropyltrimethylammonium chloride-based chitosan-modified rGO material was prepared. This material disperses homogenously in the chitosan solution, forming a deposition solution with good dispersion stability...
2018: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/29764731/how-much-is-enough-in-rehabilitation-high-running-workloads-following-lower-limb-muscle-injury-delay-return-to-play-but-protect-against-subsequent-injury
#18
Jordan Stares, Brian Dawson, Peter Peeling, Michael Drew, Jarryd Heasman, Brent Rogalski, Marcus Colby
OBJECTIVES: Examine the influence of rehabilitation training loads on return to play (RTP) time and subsequent injury in elite Australian footballers. DESIGN: Prospective cohort study. METHODS: Internal (sessional rating of perceived exertion: sRPE) and external (distance, sprint distance) workload and lower limb non-contact muscle injury data was collected from 58 players over 5 seasons. Rehabilitation periods were analysed for running workloads and time spent in 3 rehabilitation stages (1: off-legs training, 2: non-football running, 3: group football training) was calculated...
April 10, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29763759/an-eco-benign-synthesis-of-agnps-using-aqueous-extract-of-longan-fruit-peel-antiproliferative-response-against-human-breast-cancer-cell-line-mcf-7-antioxidant-and-photocatalytic-deprivation-of-methylene-blue
#19
Arif Ullah Khan, Qipeng Yuan, Zia Ul Haq Khan, Aftab Ahmad, Faheem Ullah Khan, Kamran Tahir, Muhammad Shakeel, Sadeeq Ullah
Plants mediated synthesis of noble metal nanoparticles is encountered as a clean, environment friendly, lucrative and benign loom. The current study consists of clean and green synthesis of Silver nanoparticles (AgNPs). Phytoconstituents from Longan (Euphorbia longana Lam.) fruit peel were used to reduce Ag+ into AgNPs. Different analytical techniques i.e. UV-vis Spectroscopy, X-ray diffraction spectroscopy (XRD), electron dispersive X-ray (EDX), High-resolution transmission electron microscopy (HRTEM) and Fourier transform infrared spectroscopy (FTIR) were used to analyze the synthesized AgNPs...
May 7, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29763755/salmonella-enterica-growth-and-biofilm-formation-in-flesh-and-peel-cantaloupe-extracts-on-four-food-contact-surfaces
#20
Piumi De Abrew Abeysundara, Nitin Dhowlaghar, Ramakrishna Nannapaneni, Mark W Schilling, Barakat Mahmoud, Chander S Sharma, Din-Pow Ma
Salmonella enterica is responsible for the highest number of foodborne disease outbreaks pertaining to cantaloupe industry. The objective of this study was to examine the growth and biofilm formation by outbreak strains of S. enterica ser. Poona (S. Poona), S. enterica ser. Stanley (S. Stanley) and S. enterica ser. Montevideo (S. Montevideo) on different food-contact processing surfaces in cantaloupe flesh and peel extracts at 22 °C and 10 °C. The generation time of all S. enterica strains tested was shorter in the high concentration (50 mg/ml) of cantaloupe extract and high temperature...
May 4, 2018: International Journal of Food Microbiology
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