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https://www.readbyqxmd.com/read/28926194/inverse-response-of-osteoblasts-and-fibroblasts-to-growth-on-carbon-deposited-titanium-surfaces
#1
Chie Yoshihara, Takeshi Ueno, Peng Chen, Yusuke Tsutsumi, Takao Hanawa, Noriyuki Wakabayashi
Titanium implant surfaces may serve as attachment substrates for various cell types. Since carbon adsorption on titanium is inevitable, this study examined the negative/positive biological reaction of osteoblasts and fibroblasts on carbon-deposited titanium surfaces. Osteogenic MC3T3-E1 and fibrogenic NIH/3T3 cells were separately cultured on titanium disks on which carbon deposition was experimentally regulated to achieve titanium/carbon ratios of 6.5, 0.02, 0.005, and 0. The initial attachment of cells demonstrated that the quantity of attached osteoblasts on Ti/C (0...
September 19, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28911529/an-apple-a-day-to-prevent-cancer-formation-reducing-cancer-risk-with-flavonoids
#2
REVIEW
Shih-Hsin Tu, Li-Ching Chen, Yuan-Soon Ho
The purpose of this review is to update and discuss key findings from in vitro and in vivo studies on apple and its biocompounds, with a special focus on its anticancer role. Several studies have proposed that apple and its extracts exhibit a variety of biological functions that may contribute to health benefits including beneficial effects against chronic heart and vascular disorders, respiratory and pulmonary dysfunction, diabetes, obesity, and cancer. In this review, we summarize the molecular mechanism(s) of various components in apple, as established in previous studies that indicated their growth-inhibitory effects in various cancer cell types...
January 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28901710/reduced-urothelial-regeneration-in-rat-bladders-augmented-with-permeable-porcine-small-intestinal-submucosa-assessed-by-magnetic-resonance-imaging
#3
Qing Yang, Ding Xia, Rheal A Towner, Nataliya Smith, Debra Saunders, Kar-Ming Fung, Christopher E Aston, Beverley Greenwood-Van Meerveld, Robert E Hurst, Sundararajan V Madihally, Bradley P Kropp, Hsueh-Kung Lin
Augmentation enterocystoplasty remains the gold standard surgical bladder reconstruction procedure to increase the capacity and compliance of dysfunctional bladders. Since the use of the patient's intestine has severe risks of complications, alternative biodegradable matrices have been explored. Porcine small intestinal submucosa (SIS) has gained immense interests in bladder reconstruction due to its favorable properties. However, trials have shown inconsistent regeneration with SIS, attributed to the heterogeneity in microstructures and mechanical properties...
September 13, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28888067/injectable-thermosensitive-alginate-%C3%AE-tricalcium-phosphate-aspirin-hydrogels-for-bone-augmentation
#4
Xiaoqian Fang, Lei Lei, Ting Jiang, Ying Chen, Yunqing Kang
In this study, an injectable and thermo-sensitive alginate/β-tricalcium phosphate hydrogel (TSAH/β-TCP) was prepared for aspirin release to a bone defect. Aspirin was dissolved into a mixture of poly(N-isopropylacrylamide) (PNIPAAm), an aminated alginate-g-PNIPAAm co-polymer, and β-TCP powders. Scanning electron microscopy showed that TSAH/β-TCP had an interconnected porous microstructure with a porosity of 86.78%. The cross-linked hydrogel released approximately 40% of the aspirin in the first 3 days and then slowly released the remainder...
September 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28880985/dietary-modifications-in-the-treatment-of-laryngopharyngeal-reflux-will-an-apple-a-day-keep-the-laryngopharyngeal-reflux-away
#5
Robert T Kavitt
No abstract text is available yet for this article.
September 7, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28868268/effect-of-concentrated-apple-extract-on-experimental-colitis-induced-by-acetic-acid
#6
Maurício Mercaldi Pastrelo, Carla Caroline Dias Ribeiro, Joselmo Willamys Duarte, Andréa Pitelli Bioago Gollücke, Ricardo Artigiani-Neto, Daniel Araki Ribeiro, Sender Jankiel Miszputen, Celina Tizuko Fujiyama Oshima, Ana Paula Ribeiro Paiotti
Reactive oxygen and nitrogen species (ROS/RNS) play a crucial role in inflammatory bowel disease (IBD) exacerbating the chronic inflammatory process. Endogenous and diet antioxidants can neutralize these compounds. The apple is widely consumed, with several antioxidant activity compounds. The present study evaluated the effects of concentrated apple extract (CAE) in acetic acid induced colitis. 29 Wistar male rats were randomized into 5 groups. G1-Sham/saline solution, G2-CAE/control, G3-acetic acid/control, G4-curative- CAE treatment and G5-preventive-CAE treatment...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28857676/purification-and-characterization-of-cutinase-from-bacillus-sp-ky0701-isolated-from-plastic-wastes
#7
Ali Osman Adıgüzel, Münir Tunçer
A total of approximately 400 bacterial strains were isolated from 73 plastic wastes collected from 14 different regions. Nineteen isolates, that form clear zones both on Tributyrin and PCL Agar, were identified based on 16S rRNA gene sequences. Among these, Bacillus sp. KY0701 that caused highest weight loss of PCL films in MSM, was selected for cutinase production. The highest enzyme activity (15 U/mL) was obtained after 4 days of incubation at 50 °C, pH 7.0 and 200 rpm in a liquid medium containing 1.5% (w/v) apple cutin and 0...
August 31, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28842963/metal-release-and-cell-biological-compatibility-of-beta-type-ti-40nb-containing-indium
#8
Stefan Pilz, Annett Gebert, Andrea Voss, Steffen Oswald, Markus Göttlicher, Ute Hempel, Jürgen Eckert, Marcus Rohnke, Jürgen Janek, Mariana Calin
Small indium (In) additions up to 5 wt % to the beta-type Ti-40Nb alloy effectively improve its mechanical biofunctionality. The impact on its biocompatibility is addressed in this work. Comparative electrochemical polarization studies and inductively coupled plasma optical emission spectrometry analyses were conducted in Tris-buffered saline (on the basis of 150 mM NaCl) with pH 7.6 and 2.0 at 310 ± 1 K with Ti-6Al-4V as reference. The metal ion releases from beta-type alloys were generally very low, for example, those of In(3+) ions from (Ti-40Nb)-4In specimens were below 6 × 10(-7) mmol/cm(2) ...
August 26, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28837748/tuning-the-response-of-osteoblast-like-cells-to-the-porous-alumina-assisted-mixed-oxide-nano-mound-arrays
#9
Zdenka Fohlerova, Alexander Mozalev
Nanostructuring of biomaterials is used to create an appropriate interfacial layer that promotes stable cellular adhesion, proliferation, and differentiation on orthopedic and dental implants. Here, we synthesize self-organized arrays of composite-oxide nano-mounds through anodizing Al/Ta bilayers sputtered on substrates to cover the "missing" smallest size range of 10-40 nm for structuring an advanced inorganic biomaterial-Al2 O3 -doped Ta2 O5 films. The osteoblast-like cells appear to be able to recognize the finest differences in the film nano-morphologies...
August 24, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28829368/an-acute-dose-of-specific-grape-and-apple-polyphenols-improves-endurance-performance-a-randomized-crossover-double-blind-versus-placebo-controlled-study
#10
Gaëlle Deley, Damien Guillemet, François-André Allaert, Nicolas Babault
Polyphenols are thought to be an interesting ergogenic aid for exercise and recovery. However, most studies regarding the effects of polyphenols investigated several days of supplementations. The present work aimed to study the effects of an acute intake of grape and apple polyphenols on the capacity to maintain intense exercise, here named endurance performance. Forty-eight physically active men (31 ± 6 years) were included in this study. During the two testing sessions, volunteers completed an endurance test at a high percentage of their maximal aerobic power and time to exhaustion was measured...
August 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28805042/fabrication-and-characterization-of-electrospun-laminin-functionalized-silk-fibroin-poly-ethylene-oxide-nanofibrous-scaffolds-for-peripheral-nerve-regeneration
#11
Mina Rajabi, Masoumeh Firouzi, Zahra Hassannejad, Ismaeil Haririan, Payam Zahedi
The peripheral nerve regeneration is still one of the major clinical problems, which has received a great deal of attention. In this study, the electrospun silk fibroin (SF)/poly(ethylene oxide) (PEO) nanofibrous scaffolds were fabricated and functionalized their surfaces with laminin (LN) without chemical linkers for potential use in the peripheral nerve tissue engineering. The morphology, surface chemistry, thermal behavior and wettability of the scaffolds were examined to evaluate their performance by means of scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy, differential scanning calorimetry (DSC) and water contact angle (WCA) measurements, respectively...
August 14, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28800823/detection-and-quantification-of-alicyclobacillus-acidoterrestris-by-electrical-impedance-in-apple-juice
#12
Pilar Fernández, José Antonio Gabaldón, Mª Jesús Periago
Alicyclobacillus acidoterrestris is a thermotolerant bacterium able to grow in fruit juices and drinks, as the spoilage by Alicyclobacillus in the final product does not product any gas, but leads to a "medicine flavor" due to the formation of guaicol. Also, its detection is a challenge for the quality control departments, because it takes several days to get the results of traditional microbiology methods. This study aimed at developing a more accurate electrical impedance technique for the detection of A...
December 2017: Food Microbiology
https://www.readbyqxmd.com/read/28800147/reduction-in-bacteremia-after-brushing-with-a-triclosan-copolymer-dentifrice-a-randomized-clinical-study
#13
P K Sreenivasan, D Tischio-Bereski, D H Fine
AIM: The aims of this study were to; 1) test susceptibility to bacteremia in subjects with moderate gingivitis, and 2) compare the effects of brushing with a fluoride toothpaste (control) as compared to a triclosan/copolymer toothpaste (test) on those susceptible to repeated bacteremia. MATERIALS AND METHODS: 107 adult subjects were tested for repeated bacteremia after eating a hard apple. 29 bacteremia positive subjects were enrolled in a double-blind cross-over study designed to analyze the effects of a test toothpaste...
August 11, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28799133/tablets-for-image-review-and-communication-in-daily-routine-of-orthopedic-surgeons-an-evaluation-study
#14
Sven Y Vetter, Svenja Schüler, Matthes Hackbusch, Michael Müller, Benedict Swartman, Marc Schnetzke, Paul Alfred Grützner, Jochen Franke
Medical images are essential in modern traumatology and orthopedic surgery. Access to images is often cumbersome due to a limited number of workstations. Moreover, due to the tremendous increase of data, the time to review or to communicate images has also become limited. One approach to overcome these problems is to make use of modern mobile devices, like tablet computers, to facilitate image access and associated workflows. Ten orthopedic surgeons were equipped with an Apple iPad mini 2 and specialized viewing software for medical images...
August 10, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28794931/improved-production-of-kojic-acid-by-mutagenesis-of-aspergillus-flavus-hak1-and-aspergillus-oryzae-hak2-and-their-potential-antioxidant-activity
#15
Hala A M Ammar, Saeid M Ezzat, Asmaa M Houseny
Two wild-type (WT) Aspergillus strains, A. flavus HAk1 and A. oryzae HAk2, were selected for kojic acid (KA) biosynthesis. Malt extract sucrose culture medium (MES) was the best culture medium for maximum production of KA. The maximum production of KA has been estimated at pH 4 after 7 days of incubation at 30 °C. Overproduction of KA was attained by mutagenesis of both A. flavus HAk1 and A. oryzae HAk2 through their exposer to different doses of gamma irradiation. The mutant strains (MT) A. flavus HAk1-M2 and A...
October 2017: 3 Biotech
https://www.readbyqxmd.com/read/28790993/fate-of-listeria-monocytogenes-on-fresh-apples-under-different-storage-temperatures
#16
Lina Sheng, Katheryn Edwards, Hsieh-Chin Tsai, Ines Hanrahan, Mei-Jun Zhu
Fresh apples are typically stored for up to 1 year commercially; different apple varieties require different storage temperatures to maintain their quality characteristics. There is sparse information available about Listeria monocytogenes survival on fresh apples under various storage temperatures. The objective of this study was to comprehensively evaluate the effect of storage temperature on apple fruit decay and L. monocytogenes survival. Unwaxed apple fruits of selected varieties (Fuji and Granny Smith) were dip inoculated in a three-strain L...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28764258/apple-peel-intestinal-atresia-along-with-isolated-jejunal-duplication-cyst-in-a-newborn-an-extremely-rare-case-report-and-brief-review
#17
Prasanta Kumar Tripathy, Kaumudee Pattnaik, Pradip Kumar Jena, Hiranya Kishor Mohanty
Apple-peel type of intestinal atresia and non-communicating jejunal duplication cyst are rare congenital malformations. The coexistence is not reported in English literature. A five-day-old female neonate having intestinal obstruction and was found to have both the anomalies during laparotomy and was successfully managed. Being an extremely uncommon association between two congenital anomalies of gastrointestinal tract and surgical emergencies, it is reported with review of relevant literature.
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28758980/effects-of-pla-film-incorporated-with-zno-nanoparticle-on-the-quality-attributes-of-fresh-cut-apple
#18
Wenhui Li, Lin Li, Yun Cao, Tianqing Lan, Haiyan Chen, Yuyue Qin
A novel nanopackaging film was synthesized by incorporating ZnO nanoparticles into a poly-lactic acid (PLA) matrix, and its effect on the quality of fresh-cut apple during the period of preservation was investigated at 4 ± 1 °C for 14 days. Six wt % cinnamaldehyde was added into the nano-blend film. Scanning electron microscope (SEM) analysis showed a rougher cross-section of the nano-blend films and an X-ray diffraction (XRD) was carried out to determine the structure of the ZnO nanoparticles. Compared to the pure PLA film, the nano-blend film had a higher water vapor permeability (WVP) and lower oxygen permeability...
July 31, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28746554/phenological-characterization-and-temperature-requirements-of-annona-squamosa-l-in-the-brazilian-semiarid-region
#19
Débora S Mendes, Marlon C T Pereira, Silvia Nietsche, Joseilton F Silva, Josiele S Rocha, Athos H Mendes, Helisson R A Xavier, Rayane C Dos Santos
The phenological growth stages of various species of monocotyledonous and dicotyledonous plants can be uniformly coded using the Biologische Bundesanstalt, Bundessortenamt, und Chemische Industrie (BBCH) scale. The aim of the present study was to determine the duration of different phenological stages and the temperature requirements of the sugar-apple, Annona squamosa, during two crop cycles in the semiarid region of Brazil. Phenological stages were divided into eight of ten possible principal stages: (0) bud development, (1) leaf development, (3) shoot/branch development, (5) inflorescence emergence, (6) flowering, (7) fruit development, (8) fruit maturity and (9) senescence and the beginning of dormancy...
July 20, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28739197/type-1-and-2-myocardial-infarction-and-myocardial-injury-clinical-transition-to-high-sensitivity-cardiac-troponin-i
#20
Yader Sandoval, Stephen W Smith, Anne Sexter, Sarah E Thordsen, Charles A Bruen, Michelle D Carlson, Kenneth W Dodd, Brian E Driver, Yan Hu, Katherine Jacoby, Benjamin K Johnson, Sara A Love, Johanna C Moore, Karen Schulz, Nathaniel L Scott, Fred S Apple
BACKGROUND: Studies addressing patients with type 2 myocardial infarction and myocardial injury, including the impact of using high-sensitivity (hs) cardiac troponin (cTn) assays on their incidence are needed. METHODS: Ours is a prospective, observational US cohort study. Consecutive emergency department patients with serial cTnI measurements were studied. Outcomes included 180-day mortality and major adverse cardiac events, including 2-year follow-up for those with myonecrosis...
July 21, 2017: American Journal of Medicine
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