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Showing 1-30 of 205 results for "182478" within Papers
Bin Xu et al.
Talanta, 132, 245-251 (2014-12-06)
A new isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for determination of sulfur mustard (SM) has been developed using a direct chemical derivatization method by nucleophile potassium thioacetate (PTA) in aqueous solution. The reaction conditions for derivatization, such as reaction
Henrik Jensen et al.
The Journal of thoracic and cardiovascular surgery, 148(1), 138-143 (2013-09-18)
Transapical chordae tendineae replacement is a promising new approach for mitral leaflet prolapse. However, animal studies have raised concerns that the tension of the transapically fixated artificial neochordae might be greater than the tension in the neochordae attached to papillary
Franziska Heydebreck et al.
Environmental science & technology, 49(14), 8386-8395 (2015-06-25)
The production and use of long-chain perfluoroalkyl substances (PFASs) must comply with national and international regulations. Driven by increasingly stringent regulations, their production has been outsourced to less regulated countries in Asia. In addition, the fluoropolymer industry started to use
Timothy Pennel et al.
Journal of vascular surgery, 58(4), 1053-1061 (2013-04-02)
In humans, transanastomotic endothelial outgrowth onto the surface of prosthetic vascular grafts is limited to the immediate perianastomotic region, even after years of implantation. In contrast, continual transanastomotic outgrowth together with short graft lengths has led to early endothelial confluence
Carolina Kato Prado et al.
Food additives & contaminants. Part B, Surveillance, 8(2), 81-84 (2014-09-24)
The aim of this study was to investigate the presence of tetracycline residues in pasteurised cow's milk using high-performance liquid chromatography coupled with UV/VIS detection to determine the exposure of Brazilian's population to antibiotic residues. One hundred samples collected from
Firoz Shah et al.
Applied and environmental microbiology, 81(24), 8427-8433 (2015-10-04)
Ectomycorrhizal fungi play a key role in mobilizing nutrients embedded in recalcitrant organic matter complexes, thereby increasing nutrient accessibility to the host plant. Recent studies have shown that during the assimilation of nutrients, the ectomycorrhizal fungus Paxillus involutus decomposes organic
Yonghuan Liu et al.
Scientific reports, 5, 11095-11095 (2015-06-09)
Nanoscale electrode materials including metal oxide nanoparticles and two-dimensional graphene have been employed for designing supercapacitors. However, inevitable agglomeration of nanoparticles and layers stacking of graphene largely hamper their practical applications. Here we demonstrate an efficient co-ordination and synergistic effect
Chih-Wei Hsu et al.
PloS one, 10(7), e0131643-e0131643 (2015-07-02)
Successful engineering of complex organs requires improved methods to promote rapid and stable vascularization of artificial tissue scaffolds. Toward this goal, tissue engineering strategies utilize the release of pro-angiogenic growth factors, alone or in combination, from biomaterials to induce angiogenesis.
A Irizar et al.
Archives of environmental contamination and toxicology, 68(1), 181-192 (2014-07-13)
Bioavailability is affected by soil physicochemical characteristics such as pH and organic matter (OM) content. In addition, OM constitutes the energy source of Eisenia fetida, a well established model species for soil toxicity assessment. The present work aimed at assessing
Mutay Aslan et al.
Clinical and experimental medicine, 15(3), 397-403 (2014-06-14)
The aim of this study was to determine circulating omega-6, omega-3 polyunsaturated fatty acids and prostaglandin E2 (PGE2) levels in steady state sickle cell disease (SCD) patients. Blood was collected from healthy hemoglobin volunteers and steady state homozygous HbSS patients
Do-Yeon Cho et al.
International forum of allergy & rhinology, 4(12), 966-971 (2014-11-18)
A component of primary innate defense of the nasal mucosa against inhaled pathogens includes continuous, low-level release of hydrogen peroxide (H2 O2 ) into luminal secretions. Epidemiologically, an association exists between poor air quality and increased prevalence of sinonasal disease.
Iliocaval and aortoiliac reconstruction following en bloc retroperitoneal leiomyosarcoma resection.
J Westley Ohman et al.
Journal of vascular surgery, 57(3), 850-850 (2013-03-01)
Goojin Jeong et al.
Scientific reports, 5, 12827-12827 (2015-08-06)
Sodium rechargeable batteries can be excellent alternatives to replace lithium rechargeable ones because of the high abundance and low cost of sodium; however, there is a need to further improve the battery performance, cost-effectiveness, and safety for practical use. Here
Kimberly A See et al.
Journal of the American Chemical Society, 136(46), 16368-16377 (2014-11-11)
The high theoretical gravimetric capacity of the Li-S battery system makes it an attractive candidate for numerous energy storage applications. In practice, cell performance is plagued by low practical capacity and poor cycling. In an effort to explore the mechanism
Youssef El Khoury et al.
The Journal of chemical physics, 142(21), 212416-212416 (2015-06-08)
We demonstrate the coupling of ultrafast two-dimensional infrared (2D-IR) spectroscopy to electrochemistry in solution and apply it to flavin mononucleotide, an important cofactor of redox proteins. For this purpose, we designed a spectroelectrochemical cell optimized for 2D-IR measurements in reflection
Tobias Fink et al.
Anesthesiology, 122(1), 117-126 (2014-08-30)
Multicapillary column ion-mobility spectrometry (MCC-IMS) may identify volatile components in exhaled gas. The authors therefore used MCC-IMS to evaluate exhaled gas in a rat model of sepsis, inflammation, and hemorrhagic shock. Male Sprague-Dawley rats were anesthetized and ventilated via tracheostomy
Zhen Zhu et al.
Scientific reports, 5, 17180-17180 (2015-11-27)
As a complement and alternative to optical methods, wide-band electrical impedance spectroscopy (EIS) enables multi-parameter, label-free and real-time detection of cellular and subcellular features. We report on a microfluidics-based system designed to reliably capture single rod-shaped Schizosaccharomyces pombe cells by
Nils Perrin et al.
Archives of cardiovascular diseases, 108(10), 491-501 (2015-06-16)
Vascular complications (VCs) after transcatheter aortic valve implantation (TAVI) are frequent and their management is challenging. To report the incidence, predictors and management of VCs following percutaneous transfemoral TAVI (TF-TAVI) at a single centre. We analyzed 102 consecutive patients who
Adeline Sham et al.
Tissue engineering. Part A, 21(5-6), 1106-1115 (2014-11-06)
Clinical applications of tissue engineering are constrained by the ability of the implanted construct to invoke vascularization in adequate extent and velocity. To overcome the current limitations presented by local delivery of single angiogenic factors, we explored the incorporation of
Philipp R Bauer et al.
Scientific reports, 5, 16312-16312 (2015-11-11)
Collisions of excitation pulses in dissipative systems lead usually to their annihilation. In this paper, we report electrochemical experiments exhibiting more complex pulse interaction with collision survival and pulse splitting, phenomena that have rarely been observed experimentally and are only
Yuanbo Li et al.
Talanta, 140, 81-87 (2015-06-07)
One of the hypotheses that may help explain the loss of honey bee colonies worldwide is the increasing potential for exposure of honey bees to complex mixtures of pesticides. To better understand this phenomenon, two multi-residue methods based on different
Saskia Sonnberg et al.
Analytical and bioanalytical chemistry, 407(20), 5999-6008 (2015-06-15)
Ion-mobility spectroscopy (IMS) was evaluated as a high-throughput, cheap, and efficient analytical tool for detecting residues of tetrahydrocannabinol (THC) on hands. Regarding the usefulness of hand residues as potential samples for determining THC handling and abuse, we studied the correlation
Wojciech Mrówczyński et al.
Journal of vascular surgery, 59(1), 210-219 (2013-05-28)
There is a continuous search for shelf-ready small-caliber vascular prostheses with satisfactory early and late results. Biodegradable scaffolds, repopulated by recipient's cells regenerating a neovessel, can be a suitable option for adult and pediatric, urgent and elective cardiovascular procedures. This
Paola Losi et al.
Recenti progressi in medicina, 104(1), 1-9 (2013-02-27)
Peripheral artery disease and related revascularization procedures are increasing, due to the aging population and growing incidence of diabetes mellitus. Up to now, autologous saphenous vein is the conduit of choice for peripheral by-pass. Synthetic vascular graft in polyethylene terephthalate
Catherine E Baxter et al.
Environmental toxicology and chemistry, 34(7), 1505-1510 (2015-02-11)
Northern bobwhite (Colinus virginianus) and scaled quail (Callipepla squamata) from the Rolling Plains ecoregion in Texas and Oklahoma were evaluated for organochlorine pesticides, Pb, and Hg. Of all organochlorine pesticides analyzed, only p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE) and p,p'-dichlorodiphenyldichloroethane (p,p'-DDD) were found in
Július Árvay et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 50(11), 833-843 (2015-09-12)
The contamination level of 92 samples (12 species) of wild edible mushrooms and underlying substrates with heavy metals (Cd, Cu, Hg, Pb and Zn) in the Slovak Paradise National Park that borders with a region of historical mining and processing
Tiffiny A Ainsworth et al.
The Annals of otology, rhinology, and laryngology, 123(12), 881-886 (2014-06-26)
This study aimed to develop and evaluate a model for teaching transcervical laryngeal injections. A 3-dimensional printer was used to create a laryngotracheal framework based on de-identified computed tomography images of a human larynx. The arytenoid cartilages and intrinsic laryngeal
Rose L Spear et al.
Tissue engineering. Part A, 21(3-4), 463-474 (2014-08-26)
Ferromagnetic fiber networks have the potential to deform in vivo imparting therapeutic levels of strain on in-growing periprosthetic bone tissue. 444 Ferritic stainless steel provides a suitable material for this application due to its ability to support cultures of human
Xiaoding Wei et al.
Nature communications, 6, 8029-8029 (2015-08-21)
The ability to bias chemical reaction pathways is a fundamental goal for chemists and material scientists to produce innovative materials. Recently, two-dimensional materials have emerged as potential platforms for exploring novel mechanically activated chemical reactions. Here we report a mechanochemical
Ajit S Narang et al.
Pharmaceutical research, 32(8), 2579-2594 (2015-03-01)
Precipitation of weakly basic drugs in intestinal fluids can affect oral drug absorption. In this study, the implications of self-association of brivanib alaninate in acidic aqueous solution, leading to supersaturation at basic pH condition, on its solubility and oral absorption
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