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https://www.readbyqxmd.com/read/28081240/oropharyngeal-candidiasis-fungal-invasion-and-epithelial-cell-responses
#1
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
#2
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
#3
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
#4
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...
December 21, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28001352/high-flux-graphene-oxide-membranes-intercalated-by-mof-with-highly-selective-separation-of-aqueous-organic-solution
#5
Yunpan Ying, Dahuan Liu, Weixin Zhang, Jing Ma, Hongliang Huang, Qingyuan Yang, Chongli Zhong
Graphene oxide (GO) membranes assembled by single-atom thick GO nanosheets have displayed huge potential application both in gas and liquid separation process due to its facile and large-scale preparation resulting from various functional groups, such as hydroxyl, carboxyl and epoxide groups. Taking advantage of these characters, GO membranes intercalated by super-hydrophilic metal-organic frameworks (MOFs) as strengthening separation fillers were prepared on modified polyacrylonitrile (PAN) support by a novel pressure-assisted self-assembly (PASA) filtration technique instead of traditional vacuum filtration method for the first time...
December 21, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27987956/chemical-treatment-and-characterization-of-soybean-straw-and-soybean-protein-isolate-straw-composite-films
#6
Milena Martelli-Tosi, Odílio B G Assis, Natália C Silva, Bruno S Esposto, Maria Alice Martins, Delia R Tapia-Blácido
This work investigated changes in the chemical composition and structure of soybean straw (SS) treated with alkali (NaOH 5% and 17.5%) and bleached with hydrogen peroxide (H2O2) or sodium hypochlorite (NaOCl). Removal of the amorphous constituents increased the degree of crystallinity and the content of cellulose fibers particularly after reaction with high concentrations of alkali. Treatment with NaOH 17.5% contributed to the allomorph transition from cellulose I to II regardless of the bleaching agent, but H2O2 as bleaching agent promoted more effective delignification...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27923704/il-17-receptor-signaling-in-oral-epithelial-cells-is-critical-for-protection-against-oropharyngeal-candidiasis
#7
Heather R Conti, Vincent M Bruno, Erin E Childs, Sean Daugherty, Joseph P Hunter, Bemnet G Mengesha, Danielle L Saevig, Matthew R Hendricks, Bianca M Coleman, Lucas Brane, Norma Solis, J Agustin Cruz, Akash H Verma, Abhishek V Garg, Amy G Hise, Jonathan P Richardson, Julian R Naglik, Scott G Filler, Jay K Kolls, Satrajit Sinha, Sarah L Gaffen
Signaling through the IL-17 receptor (IL-17R) is required to prevent oropharyngeal candidiasis (OPC) in mice and humans. However, the IL-17-responsive cell type(s) that mediate protection are unknown. Using radiation chimeras, we were able to rule out a requirement for IL-17RA in the hematopoietic compartment. We saw remarkable concordance of IL-17-controlled gene expression in C. albicans-infected human oral epithelial cells (OECs) and in tongue tissue from mice with OPC. To interrogate the role of the IL-17R in OECs, we generated mice with conditional deletion of IL-17RA in superficial oral and esophageal epithelial cells (Il17ra(ΔK13))...
November 9, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27923700/continuous-monitoring-of-api-content-api-distribution-and-crushing-strength-after-tableting-via-near-infrared-chemical-imaging
#8
P R Wahl, I Pucher, O Scheibelhofer, M Kerschhaggl, S Sacher, J G Khinast
Near-infrared chemical imaging (NIR-CI) with high-speed cameras based on the push-broom acquisition principle is a rapidly-evolving and can be used for a variety of purposes, from classification (and sorting) of products to mapping spatial distribution of materials. The present study examined if NIR-CI is suitable for tablet manufacturing. To that end, the tablets were introduced into the CI system via a flat belt conveyor. A formulation, which consisted of 4wt.%-6wt.% caffeine, 5wt.% crospovidone as a disintegrant, 88wt...
December 5, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27909354/the-comprehension-of-sentences-with-unaccusative-verbs-in-aphasia-a-test-of-the-intervener-hypothesis
#9
Natalie Sullivan, Matthew Walenski, Tracy Love, Lewis P Shapiro
BACKGROUND: It is well accepted that individuals with agrammatic Broca's aphasia have difficulty comprehending some sentences with filler-gap dependencies. While investigations of these difficulties have been conducted with several different sentence types (e.g., object relatives, Wh-questions), we explore sentences containing unaccusative verbs, which arguably have a single noun phrase (NP) that is base-generated in object position but then is displaced to surface subject position. Unaccusative verbs provide an ideal test case for a particular hypothesis about the comprehension disorder-the Intervener Hypothesis-that posits that the difficulty individuals with agrammatic Broca's aphasia have comprehending sentences containing filler-gap dependencies results from similarity-based interference caused by the presence of an intervening NP between the two elements of a syntactic chain...
2017: Aphasiology
https://www.readbyqxmd.com/read/27906442/the-role-of-fillers-in-aesthetic-medicine-medico-legal-aspects
#10
E Marinelli, G Montanari Vergallo, G Reale, A di Luca, I Catarinozzi, S Napoletano, S Zaami
In recent years there has been an exponential increase of fillers use in aesthetic medicine. The popularity of this anti-wrinkle product is based on their capacity to offer significant improvement in the aesthetic field, particularly to skin rejuvenating processes with non-invasive and less expensive techniques, if compared to the surgical methods (i.e. surgical lifting). The great number of fillers on the market is composed of a large heterogenic number of biomaterials. The aim of this review was to provide an overview and a classification of the filling materials that are most commonly used...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27892592/mechanical-properties-and-current-carrying-capacity-of-al-reinforced-with-graphene-bn-nanoribbons-a-computational-study
#11
D G Kvashnin, M Ghorbani-Asl, D V Shtansky, D Golberg, A V Krasheninnikov, P B Sorokin
Record high values of Young's modulus and tensile strength of graphene and BN nanoribbons as well as their chemically active edges make them promising candidates for serving as fillers in metal-based composite materials. Herein, using ab initio and analytical potential calculations we carry out a systematic study of the mechanical properties of nanocomposites constructed by reinforcing an Al matrix with BN and graphene nanoribbons. We consider a simple case of uniform distribution of nanoribbons in an Al matrix under the assumption that such configuration will lead to the maximum enhancement of mechanical characteristics...
December 8, 2016: Nanoscale
https://www.readbyqxmd.com/read/27849182/innate-immune-memory-contributes-to-host-defense-against-recurrent-skin-and-skin-structure-infections-caused-by-methicillin-resistant-staphylococcus-aureus
#12
Liana C Chan, Siyang Chaili, Scott G Filler, Lloyd S Miller, Norma V Solis, Huiyuan Wang, Colin W Johnson, Hong K Lee, Luis F Diaz, Michael R Yeaman
Staphylococcus aureus is the leading cause of skin and skin structure infections (SSSI). The high frequency of recurring SSSI due to S. aureus, including methicillin-resistant (MRSA) strains, despite high titers of specific antibody and circulating T cells, implies that traditional adaptive immunity imparts incomplete protection. We hypothesized that innate immune memory contributes to protective host defense against recurring MRSA infection. To test this hypothesis, SSSI was induced in wild-type and rag1(-/-) mice in BALB/c and C57BL/6 backgrounds...
November 14, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27827288/-a-woman-with-subcutaneous-nodules-after-buttock-augmentation
#13
Y Sandberg, M L Dijkshoorn, I G Schoots
Volume augmentation of the buttocks with injectable soft-tissue fillers is a cosmetic procedure; delayed adverse effects include the formation of granulomatous inflammatory nodules. We describe a 35-year-old woman with early-stage Hodgkin's lymphoma with multiple nodular subcutaneous densities on CT scans in both gluteal regions. These were the result of frequent injections with human collagen.
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27826499/fabrication-and-characterization-of-branched-carbon-nanostructures
#14
Sharali Malik, Yoshihiro Nemoto, Hongxuan Guo, Katsuhiko Ariga, Jonathan P Hill
Carbon nanotubes (CNTs) have atomically smooth surfaces and tend not to form covalent bonds with composite matrix materials. Thus, it is the magnitude of the CNT/fiber interfacial strength that limits the amount of nanomechanical interlocking when using conventional CNTs to improve the structural behavior of composite materials through reinforcement. This arises from two well-known, long standing problems in this research field: (a) inhomogeneous dispersion of the filler, which can lead to aggregation and (b) insufficient reinforcement arising from bonding interactions between the filler and the matrix...
2016: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/27788329/novel-organic-inorganic-hybrid-electrolyte-to-enable-lifepo4-quasi-solid-state-li-ion-batteries-performed-highly-around-room-temperature
#15
Rui Tan, Rongtan Gao, Yan Zhao, Mingjian Zhang, Junyi Xu, Jinlong Yang, Feng Pan
A novel type of organic-inorganic hybrid polymer electrolytes with high electrochemical performances around room temperature is formed by hybrid of nanofillers, Y-type oligomer, polyoxyethylene and Li-salt (PBA-Li), of which the Tg and Tm are significantly lowered by blended heterogeneous polyethers and embedded nanofillers with benefit of the dipole modification to achieve the high Li-ion migration due to more free-volume space. The quasi-solid-state Li-ion batteries based on the LiFePO4/15PBA-Li/Li-metal cells present remarkable reversible capacities (133 and 165 mAh g(-1) @0...
November 16, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27726385/reactive-diazonium-modified-silica-fillers-for-high-performance-polymers
#16
Mariusz Sandomierski, Beata Strzemiecka, Mohamed M Chehimi, Adam Voelkel
We describe a simple way of modification of three silica-based fillers with in situ generated 4-hydroxymethylbenzenediazonium salt ((+)N2-C6H4-CH2OH). The rationale for using a hydroxyl-functionalized diazonium salt is that it provides surface-functionalized fillers that can react with phenolic resins. The modification of silica by diazonium salts was assessed using Fourier transform infrared (FTIR) spectroscopy and X-ray photoelectron spectroscopy (XPS). FTIR spectroscopy permitted the tracking of benzene ring breathing and C-C...
November 8, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/27720423/filler-characteristics-of-modern-dental-resin-composites-and-their-influence-on-physico-mechanical-properties
#17
Luc D Randolph, William M Palin, Gaëtane Leloup, Julian G Leprince
OBJECTIVE: The mechanical properties of dental resin-based composites (RBCs) are highly dependent on filler characteristics (size, content, geometry, composition). Most current commercial materials are marketed as "nanohybrids" (i.e. filler size <1μm). In the present study, filler characteristics of a selection of RBCs were described, aiming at identifying correlations with physico-mechanical properties and testing the relevance of the current classification. METHODS: Micron/sub-micron particles (> or <500nm) were isolated from 17 commercial RBCs and analyzed by laser diffractrometry and/or electron microscopy...
December 2016: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/27699284/beyond-waste-new-sustainable-fillers-from-fly-ashes-stabilization-obtained-by-low-cost-raw-materials
#18
N Rodella, M Pasquali, A Zacco, F Bilo, L Borgese, N Bontempi, G Tomasoni, L E Depero, E Bontempi
A sustainable economy can be achieved only by assessing processes finalized to optimize the use of resources. Waste can be a relevant source of energy thanks to energy-from-waste processes. Concerns regarding the toxic fly ashes can be solved by transforming them into resource as recycled materials. The commitment to recycle is driven by the need to conserve natural resources, reduce imports of raw materials, save landfill space and reduce pollution. A new method to stabilize fly ash from Municipal Solid Waste Incinerator (MSWI) at room temperature has been developed thanks to COSMOS-RICE LIFE+ project (www...
September 2016: Heliyon
https://www.readbyqxmd.com/read/27688026/estimating-herbal-product-authentication-and-adulteration-in-india-using-a-vouchered-dna-based-biological-reference-material-library
#19
Dhivya Shanmughanandhan, Subramanyam Ragupathy, Steven G Newmaster, Saravanan Mohanasundaram, Ramalingam Sathishkumar
INTRODUCTION: India is considered the 'medicinal garden' of the world, with 8000 medicinal plants of which 960 are commercial species that are traded nationally and globally. Although scientific studies estimate herbal product adulteration as 42-66 % in North America, India does not have any published marketplace studies and subsequent estimates of adulteration in an industry facing considerable supply demands. OBJECTIVES: The goal of this project is to provide an initial assessment of herbal product authentication and adulteration in the marketplace in India by (1) developing a biological reference material (BRM) herbal DNA library for Indian herbal species using DNA barcode regions (ITS2 and rbcL) in order to facilitate accurate species resolution when testing the herbal products; and (2) assessing herbal product identification using our BRM library; and (3) comparing the use of our BRM library to identify herbal products with that of GenBank...
September 29, 2016: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/27680523/augmenting-the-prejowl-deciding-between-fat-fillers-and-implants
#20
Fred G Fedok, Harry Mittelman
The prejowl sulcus is a complex anatomic structure that results from several age-related changes in the lower face. These changes include the localized atrophy of a segment of the mandible inferior to the mental foreman, fat atrophy, and dehiscence and laxity of the ligamentous and muscular components of the region. The correction of the prejowl sulcus is rarely accomplished through rhytidectomy alone. Instead, the volume deficit of the sulcus usually requires the replacement of volume. Solid implants, fillers, and fat transfer may be used to improve the contour of the lower face...
October 2016: Facial Plastic Surgery: FPS
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