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https://www.readbyqxmd.com/read/28333857/successful-closure-of-full-thickness-macular-holes-secondary-to-macular-vitelliform-lesions
#1
Justin C Galvin, Brian E Chua, Adrian T Fung
PURPOSE: To describe the first reported cases of full-thickness macular holes secondary to vitelliform lesions that were successfully closed with vitrectomy surgery and gas tamponade. METHODS: Two female patients developed visual loss secondary to bilateral vitelliform lesions and associated full-thickness macular holes. The patients underwent 25-gauge pars plana vitrectomy, internal limiting membrane peeling, and 26% sulfur hexafluoride gas, followed by 3 days of face-down positioning...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333852/re-intervention-in-de-novo-vitreous-opacities-after-pars-plana-vitrectomy-in-familial-amyloidotic-polyneuropathy-ttr-val30metportuguese-patients
#2
Natália Novais Ferreira, David Afonso Cunha Dias, Rui Pedro Afonso Carvalho, Maria Teresa Pardal Monteiro Coelho
PURPOSE: To report management of de novo vitreous amyloid opacities after previous pars plana vitrectomy in familial amyloidotic polyneuropathy transthyretin Val30Met. METHODS: This work is a retrospective observational consecutive case series of five eyes of four patients. Demographic data, transthyretin mutation involved, age at the beginning of disease, duration of disease, treatment (liver transplant or tafamidis), time between vitrectomy and re-intervention, and ophthalmologic changes were evaluated...
March 22, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28333716/internal-aspiration-under-perfluorocarbon-liquid-for-the-management-of-large-macular-holes
#3
Oded Ohana, Adiel Barak, Shulamit Schwartz
PURPOSE: To report the outcomes of pars plana vitrectomy with internal aspiration under perfluorocarbon liquid for large macular holes (MH). METHODS: Retrospective consecutive case series of patients with large (>400 µm) MH. All treated were with pars plana vitrectomy, internal limiting membrane peeling, internal fluid aspiration under perfluorocarbon liquid, and gas/oil tamponade. Outcomes included closure rate and visual acuity at 6 months. RESULTS: Twenty eyes of 20 patients were included...
January 11, 2017: Retina
https://www.readbyqxmd.com/read/28332935/correction-to-computerized-agility-training-improves-change-of-direction-and-balance-performance-independently-of-footwear-in-young-adults
#4
Max R Paquette, Brian K Schilling, Joshua D Bravo, Shelby A Peel, Yuhua Li, Robert J Townsend
No abstract text is available yet for this article.
March 23, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28331373/decrease-of-the-foveal-avascular-zone-area-after-internal-limiting-membrane-peeling-single-case-study
#5
Kazuyuki Kumagai, Akinori Uemura, Mariko Furukawa, Tetsuyuki Suetsugu, Nobuchika Ogino
PURPOSE: To report a patient whose foveal avascular zone (FAZ) decreased after vitrectomy with internal limiting membrane (ILM) peeling. METHODS: A 58-year-old woman underwent successful phacovitrectomy with ILM peeling for a thin epiretinal membrane in an eye with a normal foveal contour. Optical coherence tomography angiographic en face images of the 3 mm×3 mm superficial and deep inner retinal vascular plexuses were examined preoperatively, and on days 1, 2, 9, and 37 postoperatively...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28330274/evaluation-of-some-lignocellulosic-byproducts-of-food-industry-for-microbial-xylitol-production-by-candida-tropicalis
#6
Kubra Eryasar, Seda Karasu-Yalcin
Some lignocellulosic food byproducts such as potato peels, wheat bran, barley bran and chestnut shells were evaluated as potential sources of xylose for microbial xylitol production by yeasts. Potential yeast strains were selected after screening xylitol production of some indigenous yeasts in a defined fermentation medium. Candida tropicalis strains gave the highest results with 83.28 and 54.07 g/L xylitol production from 100 g/L xylose. Lignocellulosic materials were exposed to acid hydrolysis at different conditions...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330258/optimization-of-d-lactic-acid-production-using-unutilized-biomass-as-substrates-by-multiple-parallel-fermentation
#7
Elya Mufidah, Mamoru Wakayama
This study investigated the optimization of D-lactic acid production from unutilized biomass, specifically banana peel and corncob by multiple parallel fermentation (MPF) with Leuconostoc mesenteroides and Aspergillus awamori. The factors involved in MPF that were assessed in this study comprised banana peel and corncob, KH2PO4, Tween 80, MgSO4·7H2O, NaCl, yeast extract, and diammonium hydrogen citrate to identify the optimal concentration for D-lactic acid production. Optimization of these component factors was performed using the Taguchi method with an L8 orthogonal array...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330249/emulsifying-activity-of-a-biosurfactant-produced-by-a-marine-bacterium
#8
K Abraham Peele, V Ravi Teja Ch, Vidya P Kodali
Biosurfactants produced by biofilm-forming bacteria have great applications in biotechnology, pharmaceutical, food engineering, bioremediation, and biohydrometallurgy industries. This study aimed to find out the bacteria that produce novel exopolymers (EPSs) which can find potential role in oil biodegradation. A screening procedure was performed to detect EPS-producing bacteria. The EPS producing isolate was identified as Acinetobacter species by 16S rDNA analysis. The polymer produced by the isolate has shown significant emulsification and surfactant activities, and the activities were compared to some of the commercial emulsifiers...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330221/optimization-of-medium-parameters-by-response-surface-methodology-rsm-for-enhanced-production-of-cutinase-from-aspergillus-sp-rl2ct
#9
Vijaya Kumari, Vijay Kumar, Ravin Chauhan, Mohammad Asif, Tek Chand Bhalla
Cutinases are hydrolytic enzymes which catalyzes esterification and trans-esterification reactions that make them highly potential industrial biocatalyst. In the present investigation microorganisms showing cutinase activity were isolated from plant samples. The strain showing maximum cutinase activity was identified by 18S rDNA sequencing as Aspergillus sp. RL2Ct and was selected for further studies. To achieve maximum enzyme production, the medium components affecting cutinase production were screened by Plackett-Burman followed by central composite design...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330114/evaluation-of-orange-peel-for-biosurfactant-production-by-bacillus-licheniformis-and-their-ability-to-degrade-naphthalene-and-crude-oil
#10
Arthala Praveen Kumar, Avilala Janardhan, Buddolla Viswanath, Kallubai Monika, Jin-Young Jung, Golla Narasimha
A Gram-positive bacterium was isolated from mangrove soil and was identified as Bacillus licheniformis (KC710973). The potential of a mangrove microorganism to utilize different natural waste carbon substrates for biosurfactant production and biodegradation of hydrocarbons was evaluated. Among several substrates used in the present study, orange peel was found to be best substrate of biosurfactant yield with 1.796 g/L and emulsification activity of 75.17 % against diesel. Fourier transform infrared spectroscopy analysis of biosurfactant compound revealed that the isolated biosurfactant is in lipopeptide nature...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330106/enhanced-production-of-pectinase-by-aspergillus-terreus-ncft-4269-10-using-banana-peels-as-substrate
#11
Bijay Kumar Sethi, Prativa Kumari Nanda, Santilata Sahoo
Aspergillus terreus NCFT4269.10 was implemented in solid-state (SSF) and liquid static surface fermentation (LSSF) for biosynthesis of pectinase. Amongst various substrates, like, mustard oil cake, neem oil cake, groundnut oil cake, black gram peels, green gram peels, chickling vetch peels/grass pea peels wheat bran, pearl millet residues, finger millet waste, broken rice, banana peels (BP), apple pomace (AP) and orange peels, banana peel (Musa paradisiaca L.; Family: Musaceae) was most suitable for pectinase biosynthesis (LSSF: 400 ± 21...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28329745/interleukin-6-and-hepcidin-levels-during-hormone-deplete-and-hormone-replete-phases-of-an-oral-contraceptive-cycle-a-pilot-study
#12
Marc Sim, Brian Dawson, Grant Landers, Dorine W Swinkels, Erwin Wiegerinck, Bu B Yeap, Debbie Trinder, Peter Peeling
BACKGROUND: In the past, elevated estradiol levels were reported to downregulate the iron regulatory hormone hepcidin, thereby potentially improving iron metabolism. As estrogen plays a role in regulating the menstrual cycle and can influence the cytokine interleukin-6 (IL-6; a hepcidin up-regulator), this investigation examined the effects of estradiol supplementation achieved by the use of a monophasic oral contraceptive pill (OCP) on IL-6, hepcidin levels and iron status during the hormone-deplete versus hormone-replete phases within an oral contraceptive cycle (OCC)...
March 23, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28327785/ultrastructural-alterations-in-schistosoma-mansoni-juvenile-and-adult-male-worms-after-in-vitro-incubation-with-primaquine
#13
Reem Osama A Kamel, Fatma El-Zahraa Anwar Bayaumy
BACKGROUND: Praziquantel has been cited as the only drug for treating schistosomiasis. However, concerns over drug resistance have encouraged the search for novel drug leads. The antimalarial drug primaquine possesses interesting anti-schistosmal properties. OBJECTIVES: This study is the first to document the potential role of primaquine as a schistosomicide and the ultrastructural changes induced by primaquine on juvenile or adult male worms of Schistosoma mansoni...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28325348/hydrophobic-edible-films-made-up-of-tomato-cutin-and-pectin
#14
Anny Manrich, Francys K V Moreira, Caio G Otoni, Marcos V Lorevice, Maria A Martins, Luiz H C Mattoso
Cutin is the biopolyester that protects the extracellular layer of terrestrial plants against dehydration and environmental stresses. In this work, cutin was extracted from tomato processing waste and cast into edible films having pectin as a binding agent. The influences of cutin/pectin ratio (50/50 and 25/75), film-forming suspension pH, and casting method on phase dispersion, water resistance and affinity, and thermal and mechanical properties of films were investigated. Dynamic light scattering and scanning electron microscopy revealed that cutin phase aggregation was reduced by simply increasing pH...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28324257/decolorization-of-complex-dyes-and-textile-effluent-by-extracellular-enzymes-of-cyathus-bulleri-cultivated-on-agro-residues-domestic-wastes-and-proposed-pathway-of-degradation-of-kiton-blue-a-and-reactive-orange-16
#15
Arpita Vats, Saroj Mishra
In this study, the white-rot fungus Cyathus bulleri was cultivated on low-cost agro-residues, namely wheat bran (WB), wheat straw (WS), and domestic waste orange peel (OP) for production of ligninolytic enzymes. Of the three substrates, WB and OP served as good materials for the production of laccase with no requirement of additional carbon or nitrogen source. Specific laccase activity of 94.4 U mg(-1) extracellular protein and 21.01 U mg(-1) protein was obtained on WB and OP, respectively. Maximum decolorization rate of 13...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28319774/kinetics-and-mechanism-of-hemicelluloses-removal-from-cellulosic-fibers-during-the-cold-caustic-extraction-process
#16
Jianguo Li, Huichao Hu, Hailong Li, Liulian Huang, Lihui Chen, Yonghao Ni
The effective separation of hemicelluloses and cellulose is desirable for the production of high-purity cellulose, which is a sustainable raw material for many value-added applications. For this purpose, the kinetics and mechanism of hemicelluloses removal from the cold caustic extraction (CCE) were investigated in the present study. The hemicelluloses removal process consists of: 1) the bulk phase, characteristic of significant hemicelluloses removal; 2) the transition phase, hemicelluloses transferring from the inner to the outer region of the fiber wall, with negligible overall hemicelluloses removal; 3) the residual phase, presenting a weak but continuing hemicelluloses removal...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28318962/effects-of-an-acid-alkaline-treatment-on-the-release-of-antioxidants-and-cellulose-from-different-agro-food-wastes
#17
Vellingiri Vadivel, Alessandro Moncalvo, Roberta Dordoni, Giorgia Spigno
The present investigation was aimed to evaluate the release of both antioxidants and cellulosic fibre from different agro-food wastes. Cost-effective and easily available agro-food residues (brewers' spent grains, hazelnut shells, orange peels and wheat straw) were selected and submitted to a double-step acid/alkaline fractionation process. The obtained acid and alkaline liquors were analysed for total phenols content and antioxidant capacity. The final fibre residue was analysed for the cellulose, lignin and hemicellulose content...
March 15, 2017: Waste Management
https://www.readbyqxmd.com/read/28317851/mdhir-proteins-repress-anthocyanin-accumulation-by-interacting-with-the-mdjaz2-protein-to-inhibit-its-degradation-in-apples
#18
Ke-Qin Chen, Xian-Yan Zhao, Xiu-Hong An, Yi Tian, Dan-Dan Liu, Chun-Xiang You, Yu-Jin Hao
In higher plants, jasmonate ZIM-domain (JAZ) proteins negatively regulate the biosynthesis of anthocyanins by interacting with bHLH transcription factors. However, it is largely unknown if and how other regulators are involved in this process. In this study, the apple MdJAZ2 protein was characterized in regards to its function in the negative regulation of anthocyanin accumulation and peel coloration. MdJAZ2 was used as a bait to screen a cDNA library using the yeast two-hybrid method. The hypersensitive induced reaction (HIR) proteins, MdHIR2 and MdHIR4, were obtained from this yeast two-hybrid...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317733/antioxidant-activities-and-structural-characterization-of-flavonol-o-glycosides-from-seeds-of-japanese-horse-chestnut-aesculus-turbinata-blume
#19
Hideto Kimura, Satoshi Ogawa, Tomoe Ishihara, Mahoko Maruoka, Shota Tokuyama-Nakai, Mitsuo Jisaka, Kazushige Yokota
We attempted to evaluate the contents and distribution of antioxidants in the whole seeds, seed shells, and peeled seeds of the Japanese horse chestnut. The seed shells exhibited the highest antioxidant activities due to the presence of highly polymeric proanthocyanidins as we have reported recently. On the other hand, the peeled seeds predominantly contained flavonols such as quercetin and kaempferol at a high level of 66.7% of total polyphenols, also contributing to the predominant antioxidant activities...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28317721/cryoprotective-roles-of-trehalose-and-alginate-oligosaccharides-during-frozen-storage-of-peeled-shrimp-litopenaeus-vannamei
#20
Bin Zhang, Hai-Xiao Wu, Hui-Cheng Yang, Xing-Wei Xiang, Hai-Bo Li, Shang-Gui Deng
Cryoprotective saccharides are widely accepted additives that reduce thawing loss, maintain texture, and retard protein denaturation in the frozen seafood. The present study aimed to investigate the roles of trehalose and alginate oligosaccharides on cryoprotection of frozen shrimp, primarily focusing on the interactions between myosin and saccharide molecules using a molecular dynamics (MD) simulation analysis. The results indicated that soaking in the trehalose and alginate oligosaccharides solutions markedly reduced thawing and cooking losses in frozen shrimp, with respective values decreasing to 6...
August 1, 2017: Food Chemistry
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