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https://www.readbyqxmd.com/read/28333175/left-right-pain-asymmetry-with-injectable-cosmetic-treatments-for-the-face
#1
Jacobus Johannes Fouché, Jani Adriaan Jochem Van Loghem, Job Thuis, Linda Marije De Heer, Martijn G H van Oijen
Background: Pain is processed and experienced differently on the left (L) and right (R) sides of the body; however, L/R pain asymmetry with cosmetic treatments of the face has not been evaluated. Objectives: The authors compared patient ratings of L/R facial pain during and immediately after injectable cosmetic treatments. Methods: In this cross-sectional multicenter pragmatic study, pain levels were evaluated for 302 patients who underwent facial treatments with botulinum toxin (BTX) and/or impermanent soft-tissue filler (STF)...
January 27, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28325761/the-aryl-hydrocarbon-receptor-governs-epithelial-cell-invasion-during-oropharyngeal-candidiasis
#2
Norma V Solis, Marc Swidergall, Vincent M Bruno, Sarah L Gaffen, Scott G Filler
Oropharyngeal candidiasis (OPC), caused predominantly by Candida albicans, is a prevalent infection in patients with advanced AIDS, defects in Th17 immunity, and head and neck cancer. A characteristic feature of OPC is fungal invasion of the oral epithelial cells. One mechanism by which C. albicans hyphae can invade oral epithelial cells is by expressing the Als3 and Ssa1 invasins that interact with the epidermal growth factor receptor (EGFR) on epithelial cells and stimulate endocytosis of the organism. However, the signaling pathways that function downstream of EGFR and mediate C...
March 21, 2017: MBio
https://www.readbyqxmd.com/read/28318960/lab-scale-pyrolysis-of-the-automotive-shredder-residue-light-fraction-and-characterization-of-tar-and-solid-products
#3
Manuela Anzano, Elena Collina, Elsa Piccinelli, Marina Lasagni
The general aim of this study is the recovery of Automotive Shredder Residue (ASR). The ASR light fraction, or car fluff, that was collected at an Italian shredding plant was pyrolysed at various temperatures (500-800°C) in a lab-scale reactor. The condensable gases (tar) and solid residue yields increased with decreasing temperature, and these products were characterized to suggest a potential use to reclaim them. The higher heating value (HHV) of tar was 34-37MJ/kg, which is comparable with those of fossil fuels...
March 16, 2017: Waste Management
https://www.readbyqxmd.com/read/28290658/nanostructured-carbon-nitride-polymer-reinforced-electrolyte-to-enable-dendrite-suppressed-lithium-metal-batteries
#4
Jiulin Hu, Jing Tian, Chilin Li
Lithium metal batteries (LMBs) containing S, O2, and fluoride cathodes are attracting increasing attention owing to their much higher energy density than that of Li-ion batteries. However, current limitation for the progress of LMBs mainly comes from the uncontrolled formation and growth of Li dendrites at the anode side. In order to suppress dendrite growth, exploring novel nanostructured electrolyte of high modulus without degradation of Li-electrolyte interface appears to be a potential solution. Here we propose a lightweight polymer-reinforced electrolyte based on graphitic carbon nitride (g-C3N4) mesoporous microspheres as electrolyte filler [bis(trifluoromethanesulfonimide) lithium salt/di(ethylene glycol) dimethyl ether mixed with g-C3N4, denoted as LiTFSI-DGM-C3N4] for the first time...
March 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28278109/identification-and-production-of-bioflocculants-by-enterobacter-sp-and-bacillus-sp-and-their-characterization-studies
#5
L Muthulakshmi, H Nellaiah, T Kathiresan, N Rajini, Fenila Christopher
In this work, two bioflocculants, namely, EB-EPS and B1-EPS were derived from Enterobacter sp. and Bacillus sp., respectively and analyzed with regard to their production and characterization. About 0.9 g and 0.16 g of purified EB and B1 were obtained from I L of fermentation broth. Chemical analysis showed the contents of purified EB and B1 mainly as 88.7% and 92.8% (w/w) of carbohydrate, and 11.3% and 21.8% (w/w) protein, respectively. Fourier-transform infrared (FTIR) spectrometry analysis revealed the presence of hydroxyl, amide and carboxyl groups in the identified bioflocculant...
February 16, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28267314/isolation-of-aramid-nanofibers-for-high-strength-and-toughness-polymer-nanocomposites
#6
Jiajun Lin, Sun Hwi Bang, Mohammad H Malakooti, Henry A Sodano
The development of nanoscale reinforcements that can be used to improve the mechanical properties of a polymer remains a challenge due to the long-standing difficulties with exfoliation and dispersion of existing materials. The dissimilar chemical nature of common nanofillers (e.g., carbon nanotubes, graphene) and polymeric matrix materials is the main reason for imperfect filler dispersion and, consequently, low mechanical performance of their composites relative to theoretical predictions. Here, aramid nanofibers that are intrinsically dispersible in many polymers are prepared from commercial aramid fibers (Kevlar) and isolated through a simple, scalable, and low-cost controlled dissolution method...
March 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28244724/the-role-of-field-electron-emission-in-polypropylene-aluminum-nanodielectrics-under-high-electric-fields
#7
Guoqiang Zhang, Yue Li, Saide Tang, Rhett D Thompson, Lei Zhu
Polymer/metallic particle nanocomposites or nanodielectrics can exhibit colossal dielectric constants with a relatively low dissipation factor under low electric fields and thus seem to be promising for high-energy density dielectric capacitors. To study this possibility, this work focused on the dielectric performance and loss mechanisms in polypropylene (PP)/aluminum nanoparticle (nAl NP) composites under high electric fields. Phosphonic acid-terminated poly(ethylene-co-1-butene) was grafted to the Al2O3 surface layer on the nAl NPs in order to achieve reasonable dispersion in the PP matrix...
March 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28212979/degradation-of-optical-and-surface-properties-of-resin-based-composites-with-distinct-nanoparticle-sizes-but-equivalent-surface-area
#8
Vinícius Esteves Salgado, Larissa Maria Cavalcante, Rafael R Moraes, Harry B Davis, Jack L Ferracane, Luis Felipe Schneider
OBJECTIVE: To determine the optical and surface properties of model resin-based composites made with distinct nanoparticle sizes but equalized surface area, among them, before and after ageing. METHODS: Model resin-based composites based on BisGMA/TEGDMA (50:50mol%) were loaded with three different fumed silica filler content (7nm/examethyldisilazane, 12nm/octylsilane, and 16nm/dimethylchlorosilane), but with equivalent surface area (BET method). The optical and surface properties of the disk-shaped specimens were measured in 24h after photoactivation (baseline) and repeated after water storage (90days at 37°C), and after abrasion (20,000 cycles of brushing)...
February 25, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28205372/zein-based-composites-in-biomedical-applications
#9
Merve Demir, Laura Ramos-Rivera, Raquel Silva, Showan N Nazhat, Aldo R Boccaccini
Considerable research efforts have been devoted to zein-based biomaterials for tissue engineering and other biomedical applications over the past decade. The attention given to zein-based polymers is primarily attributed to their biocompatibility and biodegradability. However, due to the relatively low mechanical properties of these polymers, numerous inorganic compounds (e.g., hydroxyapatite, calcium phosphate, bioactive glasses, natural clays) have been considered in combination with zein to create composite materials in an attempt to enhance zein mechanical properties...
February 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28192532/role-of-arf-gtpases-in-fungal-morphogenesis-and-virulence
#10
Hayet Labbaoui, Stéphanie Bogliolo, Vikram Ghugtyal, Norma V Solis, Scott G Filler, Robert A Arkowitz, Martine Bassilana
Virulence of the human fungal pathogen Candida albicans depends on the switch from budding to filamentous growth, which requires sustained membrane traffic and polarized growth. In many organisms, small GTPases of the Arf (ADP-ribosylation factor) family regulate membrane/protein trafficking, yet little is known about their role in fungal filamentous growth. To investigate these GTPases in C. albicans, we generated loss of function mutants in all 3 Arf proteins, Arf1-Arf3, and 2 Arf-like proteins, Arl1 and Arl3...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28174007/comparative-analysis-of-the-mechanical-properties-of-fiber-and-stainless-steel-multistranded-wires-used-for-lingual-fixed-retention
#11
O Annousaki, S Zinelis, G Eliades, T Eliades
OBJECTIVE: To evaluate the effect of different resins used for the co-polymerization of EverStick fiber-reinforced fixed orthodontic retainer on its mechanical properties and to compare the mechanical properties of these configurations to commonly used multistrand wires. MATERIALS AND METHODS: Ten 0.0175-in. WildCat (WC175), ten 0.0215-in. WildCat (WC215) three-strand twisted wires and thirty EverStick fibers were tested in this study. The EverStcik fibers were equally shared in three groups (n=10)...
February 4, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28165349/a-prospective-open-label-observational-postmarket-study-evaluating-vyc-17-5l-for-the-correction-of-moderate-to-severe-nasolabial-folds-over-12-months
#12
Gerhard Sattler, Wolfgang G Philipp-Dormston, Helga Van Den Elzen, Cornelius Van Der Walt, Myooran Nathan, Julia Kolodziejczyk, Graeme Kerson, Benjeev Dhillon
BACKGROUND: VYC-17.5L (17.5 mg/mL hyaluronic acid, 0.3% lidocaine) is a dermal filler intended for deep dermis injection for the treatment of skin depressions. OBJECTIVE: To evaluate 12-month effectiveness and safety of VYC-17.5L for the treatment of moderate/severe nasolabial folds (NLFs). METHODS: Subjects ≥18 years old with moderate/severe NLFs were recruited (N = 70). Injected volume was aimed at achieving optimum correction; top-up treatment was given at 2 weeks if needed...
February 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28157728/safety-and-effectiveness-of-vyc-15l-a-hyaluronic-acid-filler-for-lip-and-perioral-enhancement-one-year-results-from-a-randomized-controlled-study
#13
Roy G Geronemus, David E Bank, Bhushan Hardas, Ava Shamban, Barry M Weichman, Diane K Murphy
BACKGROUND: VYC-15L (Juvéderm Volbella XC) is a nonanimal crosslinked hyaluronic acid (HA) gel with lidocaine. OBJECTIVE: To evaluate the safety and effectiveness of VYC-15L for lip and perioral enhancement versus a nonanimal stabilized HA with lidocaine (Restylane-L; NASHA). METHODS: This prospective multicenter study randomized 225 adults with minimal, mild, or moderate lip fullness on the validated 5-point Allergan Lip Fullness Scale (LFS) to treatment with VYC-15L or NASHA; optional touch-up was administered 30 days later...
February 1, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28121071/colloidal-gold-nanoclusters-spiked-silica-fillers-in-mixed-matrix-coatings-simultaneous-detection-and-inhibition-of-healthcare-associated-infections
#14
Shahad K Alsaiari, Mohammed A Hammami, Jonas G Croissant, Haneen W Omar, Pradeep Neelakanda, Tahir Yapici, Klaus-Viktor Peinemann, Niveen M Khashab
Healthcare-associated infections (HAIs) are the infections that patients get while receiving medical treatment in a medical facility with bacterial HAIs being the most common. Silver and gold nanoparticles (NPs) have been successfully employed as antibacterial motifs; however, NPs leaching in addition to poor dispersion and overall reproducibility are major hurdles to further product development. In this study, the authors design and fabricate a smart antibacterial mixed-matrix membrane coating comprising colloidal lysozyme-templated gold nanoclusters as nanofillers in poly(ethylene oxide)/poly(butylene terephthalate) amphiphilic polymer matrix...
January 25, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28107466/thermal-conductivity-performance-of-polypropylene-composites-filled-with-polydopamine-functionalized-hexagonal-boron-nitride
#15
Lin Chen, Hong-Fei Xu, Shao-Jian He, Yi-Hang Du, Nan-Jie Yu, Xiao-Ze Du, Jun Lin, Sergei Nazarenko
Mussel-inspired approach was attempted to non-covalently functionalize the surfaces of boron nitride (BN) with self-polymerized dopamine coatings in order to reduce the interfacial thermal barrier and enhance the thermal conductivity of BN-containing composites. Compared to the polypropylene (PP) composites filled with pristine BN at the same filler content, thermal conductivity was much higher for those filled with both functionalized BN (f-BN) and maleic anhydride grafted PP (PP-g-ma) due to the improved filler dispersion and better interfacial filler-matrix compatibility, which facilitated the development of more thermal paths...
2017: PloS One
https://www.readbyqxmd.com/read/28101535/the-case-for-adopting-the-species-complex-nomenclature-for-the-etiologic-agents-of-cryptococcosis
#16
Kyung J Kwon-Chung, John E Bennett, Brian L Wickes, Wieland Meyer, Christina A Cuomo, Kurt R Wollenburg, Tihana A Bicanic, Elizabeth Castañeda, Yun C Chang, Jianghan Chen, Massimo Cogliati, Françoise Dromer, David Ellis, Scott G Filler, Matthew C Fisher, Thomas S Harrison, Steven M Holland, Shigeru Kohno, James W Kronstad, Marcia Lazera, Stuart M Levitz, Michail S Lionakis, Robin C May, Popchai Ngamskulrongroj, Peter G Pappas, John R Perfect, Volker Rickerts, Tania C Sorrell, Thomas J Walsh, Peter R Williamson, Jianping Xu, Adrian M Zelazny, Arturo Casadevall
Cryptococcosis is a potentially lethal disease of humans/animals caused by Cryptococcus neoformans and Cryptococcus gattii. Distinction between the two species is based on phenotypic and genotypic characteristics. Recently, it was proposed that C. neoformans be divided into two species and C. gattii into five species based on a phylogenetic analysis of 115 isolates. While this proposal adds to the knowledge about the genetic diversity and population structure of cryptococcosis agents, the published genotypes of 2,606 strains have already revealed more genetic diversity than is encompassed by seven species...
January 2017: MSphere
https://www.readbyqxmd.com/read/28081240/oropharyngeal-candidiasis-fungal-invasion-and-epithelial-cell-responses
#17
Marc Swidergall, Scott G Filler
No abstract text is available yet for this article.
January 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28033645/the-facial-adipose-tissue-a-revision
#18
Ilja Kruglikov, Oscar Trujillo, Quick Kristen, Kerelos Isac, Julia Zorko, Maria Fam, Kasie Okonkwo, Asima Mian, Hyunh Thanh, Konstantin Koban, Anthony P Sclafani, Hanno Steinke, Sebastian Cotofana
Recent advantages in the anatomical understanding of the face have turned the focus toward the subcutaneous and deep facial fat compartments. During facial aging, these fat-filled compartments undergo substantial changes along with other structures in the face. Soft tissue filler and fat grafting are valid methods to fight the signs of facial aging, but little is known about their precise effect on the facial fat. This narrative review summarizes the current knowledge about the facial fat compartments in terms of anatomical location, histologic appearance, immune-histochemical characteristics, cellular interactions, and therapeutic options...
December 2016: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28029106/differences-between-graphene-and-graphene-oxide-in-gelatin-based-systems-for-transient-biodegradable-energy-storage-applications
#19
G Landi, A Sorrentino, S Iannace, H C Neitzert
A comparison between graphene flakes and graphene oxide as filler in gelatin based systems for low-cost transient biodegradable energy storage applications has been carried out. The two bio-composites have been prepared and characterized by rheological measurements, cyclic voltammetry measurements, chronopotentiometry measurements and impedance spectroscopy. Differences in dielectric and mechanical properties have been correlated to the different structural organizations determinate by the hydrophobic/hydrophilic character of the used filler...
February 3, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28001416/tobacco-specific-nitrosamines-in-the-tobacco-and-mainstream-smoke-of-u-s-commercial-cigarettes
#20
Selvin H Edwards, Lana M Rossiter, Kenneth M Taylor, Matthew R Holman, Liqin Zhang, Yan S Ding, Clifford H Watson
Tobacco-specific nitrosamines (TSNAs) are N-nitroso-derivatives of pyridine-alkaloids (e.g., nicotine) present in tobacco and cigarette smoke. Two TSNAs, N'-nitrosonornicotine (NNN) and 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), are included on the Food and Drug Administration's list of harmful and potentially harmful constituents (HPHCs) in tobacco products and tobacco. The amounts of four TSNAs (NNK, NNN, N-nitrosoanabasine (NAB), and N'-nitrosoanatabine (NAT)) in the tobacco and mainstream smoke from 50 U...
February 20, 2017: Chemical Research in Toxicology
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