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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/28888067/injectable-thermosensitive-alginate-%C3%AE-tricalcium-phosphate-aspirin-hydrogels-for-bone-augmentation
#3
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
#4
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
#5
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/28837748/tuning-the-response-of-osteoblast-like-cells-to-the-porous-alumina-assisted-mixed-oxide-nano-mound-arrays
#6
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
#7
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
#8
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/28799133/tablets-for-image-review-and-communication-in-daily-routine-of-orthopedic-surgeons-an-evaluation-study
#9
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/28764258/apple-peel-intestinal-atresia-along-with-isolated-jejunal-duplication-cyst-in-a-newborn-an-extremely-rare-case-report-and-brief-review
#10
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
#11
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/28738556/development-of-a-new-sample-preparation-method-based-on-liquid-liquid-liquid-extraction-combined-with-dispersive-liquid-liquid-microextraction-and-its-application-on-unfiltered-samples-containing-high-content-of-solids
#12
Mir Ali Farajzadeh, Maryam Abbaspour
A new sample preparation method based on liquid-liquid-liquid extraction combined with dispersive liquid-liquid microextraction followed by gas chromatography-flame ionization detection has been reported for the extraction/preconcentration and determination of trace levels of twelve pesticide residues from different samples with high content of solids without filtration. This method consists of a three-phase system including an aqueous phase (sample solution), acetonitrile, and hexane. The extraction mechanism is based on different affinities of the substances from the sample matrices towards each of the involved phase, which provides a high selectivity to the process...
November 1, 2017: Talanta
https://www.readbyqxmd.com/read/28714091/habitual-diet-and-diet-quality-in-irritable-bowel-syndrome-a%C3%A2-case-control-study
#13
E F Tigchelaar, Z Mujagic, A Zhernakova, M A M Hesselink, S Meijboom, C W M Perenboom, A A M Masclee, C Wijmenga, E J M Feskens, D M A E Jonkers
BACKGROUND: Diet is considered to be a key factor in symptom generation in Irritable Bowel Syndrome (IBS) and patients tend to exclude food products from their diet in pursue of symptom relief, which may impair diet quality. METHODS: We evaluated habitual dietary intake in IBS patients with regard to nutrients and food products using an extensive food frequency questionnaire. One hundred ninety-four IBS patients were compared to 186 healthy controls using multiple logistic regression analysis...
July 17, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28701316/diagnostic-performance-of-high-sensitivity-compared-with-contemporary-cardiac-troponin-i-for-the-diagnosis-of-acute-myocardial-infarction
#14
Yader Sandoval, Stephen W Smith, Sarah E Thordsen, Charles A Bruen, Michelle D Carlson, Kenneth W Dodd, Brian E Driver, Katherine Jacoby, Benjamin K Johnson, Sara A Love, Johanna C Moore, Anne Sexter, Karen Schulz, Nathaniel L Scott, Jennifer Nicholson, Fred S Apple
BACKGROUND: We examined the diagnostic performance of high-sensitivity cardiac troponin I (hs-cTnI) vs contemporary cTnI with use of the 99th percentile alone and with a normal electrocardiogram (ECG) to rule out acute myocardial infarction (MI) and serial changes (deltas) to rule in MI. METHODS: We included consecutive patients presenting to a US emergency department with serial cTnI on clinical indication (NCT02060760). Diagnostic performance for acute MI, including MI subtypes, and 30-day outcomes were examined...
July 12, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28688253/effects-of-apple-branch-biochar-on-soil-c-mineralization-and-nutrient-cycling-under-two-levels-of-n
#15
Shuailin Li, Chutao Liang, Zhouping Shangguan
The incorporation of biochar into soil has been proposed as a strategy for enhancing soil fertility and crop productivity. However, there is limited information regarding the responses of soil respiration and the C, N and P cycles to the addition of apple branch biochar at different rates to soil with different levels of N. A 108-day incubation experiment was conducted to investigate the effects of the rate of biochar addition (0, 1, 2 and 4% by mass) on soil respiration and nutrients and the activities of enzymes involved in C, N and P cycling under two levels of N...
December 31, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28675568/sciatic-nerve-regeneration-by-transplantation-of-schwann-cells-via-erythropoietin-controlled-releasing-polylactic-acid-multiwalled-carbon-nanotubes-gelatin-nanofibrils-neural-guidance-conduit
#16
Majid Salehi, Mahdi Naseri-Nosar, Somayeh Ebrahimi-Barough, Mohammdreza Nourani, Arash Khojasteh, Amir-Ali Hamidieh, Amir Amani, Saeed Farzamfar, Jafar Ai
The current study aimed to enhance the efficacy of peripheral nerve regeneration using an electrically conductive biodegradable porous neural guidance conduit for transplantation of allogeneic Schwann cells (SCs). The conduit was produced from polylactic acid (PLA), multiwalled carbon nanotubes (MWCNTs), and gelatin nanofibrils (GNFs) coated with the recombinant human erythropoietin-loaded chitosan nanoparticles (rhEpo-CNPs). The PLA/MWCNTs/GNFs/rhEpo-CNPs conduit had the porosity of 85.78 ± 0.70%, the contact angle of 77...
July 4, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28654874/aquatic-toxicity-of-ivermectin-in-cattle-dung-assessed-using-microcosms
#17
Leticia M Mesa, I Lindt, L Negro, M F Gutierrez, G Mayora, L Montalto, M Ballent, A Lifschitz
Ivermectin (IVM) is a parasiticide widely used for livestock. It is a semisynthetic derivative of avermectin, a macrocyclic lactone produced by Streptomyces avermitilis. This drug is only partly metabolized by livestock; considerable amounts of parent drug are excreted mostly via feces. To simulate exposure of aquatic invertebrates and macrophytes to direct excretion of cattle dung into surface waters, a microcosm experiment with IVM spiked in cattle dung was conducted. The objectives of this study were to characterize accumulation of IVM in water, sediment+dung, roots of the floating fern Salvinia and the zooplankton Ceriodaphnia dubia, the amphipod Hyalella and the apple snail Pomacea; to determine the effect of this drug spiked in cattle dung on life-history traits of these invertebrates; and to evaluate the influence of IVM on aquatic nutrient cycling...
June 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28653154/dna-persistence-of-bite-marks-on-food-and-its-relevance-for-str-typing
#18
Céline M Pfeifer, Anja Gass, Rachel Klein-Unseld, Peter Wiegand
In forensic DNA analysis, salivary traces at crime scenes are a promising way to identify a person. However, crime scenes are oftentimes investigated a while after the crime and recovered samples might have been degraded leading to poor PCR amplification. Probably due to decomposition and negative visual impression of spoiled food, bite mark samples make up only a small part of our casework routine. In this study, bite marks on apples and chocolate bars as well as on an inert surface (microscope slide) were stored up to 3 weeks indoors and outdoors during different seasons and analyzed for amylase activity and DNA quantity and quality...
June 26, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28650114/the-effect-of-adhesives-on-inflammatory-immune-markers-during-renal-injury-healing
#19
José Miguel Lloris-Carsí, Carlos Barrios, Beatriz Prieto-Moure, José Miguel Lloris-Cejalvo, Dolores Cejalvo-Lapeña
Renal injury is common in abdominal trauma. Adhesives and sealants can be used to repair and preserve damaged organs. We describe the effect of three biomaterial treatments (TachoSil, GelitaSpon, and Adhflex) on injured renal tissue. Renal traumatic injuries were experimentally induced in male Wistar rats (n = 90) using a punch. Animals were divided into five groups: (1) sham noninjured (n = 3) and punch injury groups; (2) nontreated (n = 6); (3) TachoSil (n = 27); (4) GelitaSpon (n = 27); and (5) Adhflex (n = 27)...
June 26, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28646436/behavior-of-fluopyram-and-tebuconazole-and-some-selected-pesticides-in-ripe-apples-and-consumer-exposure-assessment-in-the-applied-crop-protection-framework
#20
Magdalena Podbielska, Ewa Szpyrka, Bartosz Piechowicz, Aneta Zwolak, Stanisław Sadło
The supervised field trials were conducted in a commercial apple orchard in 2016. The trials were an attempt to determine a model for dissipation and toxicological evaluation of fluopyram, tebuconazole, captan, tetrahydrophthalimide (THPI), pirimicarb, spirodiclofen, and boscalid residues detected in fruit of Red Jonaprince, Lobo, and Gala varieties immediately before harvest. The analysis also covered amounts of pesticides still present in remnants of calyx in Lobo and Gala varieties immediately before harvest...
July 2017: Environmental Monitoring and Assessment
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