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469300

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Min Wook Lee et al.
ACS applied materials & interfaces, 7(35), 19546-19554 (2015-08-19)
The present work aims at development of self-healing materials capable of partially restoring their mechanical properties under the conditions of prolonged periodic loading and unloading, which is characteristic, for example, of aerospace applications. Composite materials used in these and many
Xizheng Yan et al.
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 17(11), 1324-1330 (2015-02-05)
We developed a high throughput method for estimating smoker's mainstream smoke intake on a per-cigarette basis by analyzing discarded cigarette butts. This new method utilizes ultraviolet/visible (UV-Vis) spectrophotometric analysis of isopropanol-soluble smoke particulate matter extracted from discarded cigarette filters. When
Peter A Galie et al.
Cytotherapy, 16(7), 906-914 (2014-04-10)
Myocardial infarction results in the formation of scar tissue populated by myofibroblasts, a phenotype characterized by increased contractility and matrix deposition. Mesenchymal stromal cells (MSC) delivered to the myocardium can attenuate scar growth and restore cardiac function, though the mechanism
João M Leça et al.
Analytica chimica acta, 887, 101-110 (2015-09-01)
Vicinal diketones, namely diacetyl (DC) and pentanedione (PN), are compounds naturally found in beer that play a key role in the definition of its aroma. In lager beer, they are responsible for off-flavors (buttery flavor) and therefore their presence and
John B Crowe et al.
Journal of forensic sciences, 60(4), 1078-1084 (2015-03-19)
Suspect hypodermic needles and syringes were seized from an unlicensed individual who was allegedly injecting patients with silicone (polydimethylsiloxane [PDMS]) for cosmetic enhancement. Since control syringe barrels and needles often contain an interfering PDMS lubricant, a risk for false positives
Jaimee M Robertson et al.
Soft matter, 11(28), 5754-5764 (2015-06-19)
Soft, anisotropic materials, such as myocardium in the heart and the extracellular matrix surrounding cells, are commonly found in nature. This anisotropy leads to specialized responses and is imperative to material functionality, yet few soft materials exhibiting similar anisotropy have
Ljupcho Prodanov et al.
Biotechnology and bioengineering, 113(1), 241-246 (2015-07-15)
The development of long-term human organotypic liver-on-a-chip models for successful prediction of toxic response is one of the most important and urgent goals of the NIH/DARPA's initiative to replicate and replace chronic and acute drug testing in animals. For this
Joe Z Sostaric et al.
The journal of physical chemistry. B, 111(12), 3298-3303 (2007-03-29)
High-power ultrasound (20 kHz) was used to encapsulate a solution of perchlorotriphenylmethyl triester (PTM-TE, a stable organic free radical) dissolved in hexamethyldisiloxane (HMDS) into a polymerized shell of bovine serum albumin (BSA). The size distribution of the microspheres was between
J C Beaulieu et al.
Food chemistry, 181, 354-364 (2015-03-22)
Colorful antioxidant-rich fruits often convey astringency and sourness that juice consumers may not appreciate. We assessed properties in juices from a collection of California-grown pomegranate from the National Clonal Germplasm Repository. The goal was to evaluate overall differences in germplasm
Vilma Kaškonienė et al.
Phytochemistry, 115, 184-193 (2015-03-03)
Due to the wide spectrum of biological activities, Chamerion angustifolium L. as medicinal plant is used for the production of food supplements. However, it should be kept in mind that quality (biological activity) of the herb depends on its geographic
Ali Es-Haghi et al.
Talanta, 128, 231-236 (2014-07-26)
Sol-gel based solid-phase microextraction fibers supported by a stainless steel wire were fabricated and employed for GC-MS determination of oxadiargyl in real samples. The fibers were based on four compounds with different polarity: polar and non-polar (end-capped) poly(dimethylsiloxane) (PDMS), polyethylene
Chiara Ingrosso et al.
ACS applied materials & interfaces, 7(28), 15494-15505 (2015-07-08)
A novel UV-light-curable nanocomposite material formed of a methacrylic-siloxane resin loaded with 1 wt % oleic acid and 3-(trimethoxysilyl)propyl methacrylate silane (OLEA/MEMO)-coated TiO2 nanorods (NRs) has been manufactured as a potential self-curing structural coating material for protection of monuments and
Encheng Li et al.
Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer, 9(8), 1091-1100 (2014-08-27)
Heavy cigarette smoking-related chronic obstructive pulmonary disease is an independent risk factor for lung squamous carcinoma. However, the mechanisms underlying the malignant transformation of bronchial epithelial cells are unclear. In our study, human tumor-adjacent bronchial epithelial cells were obtained from
O Carrión et al.
Nature communications, 6, 6579-6579 (2015-03-26)
The volatile compound dimethylsulphide (DMS) is important in climate regulation, the sulphur cycle and signalling to higher organisms. Microbial catabolism of the marine osmolyte dimethylsulphoniopropionate (DMSP) is thought to be the major biological process generating DMS. Here we report the
Yan Man et al.
Journal of separation science, 38(2), 339-345 (2014-11-08)
The polydimethylsiloxane microfluidic chip grafted with poly(N-isopropylacrylamide-3-acrylamidephenylboronic acid) (P(NIPAAm-co-AAPBA)) was fabricated by UV-induced grafting polymerization for the capture-release of cis-diol-containing biomolecules by temperature-modulated changes instead of changing the pH value of the mobile phase. Based on the optimal time for
Juan Zheng et al.
Nanoscale, 7(27), 11720-11726 (2015-06-24)
Development of facile and effective methods for fabrication of high-performance solid phase microextraction (SPME) fibres remains a great challenge. Herein, a new class of ordered mesoporous polymers (OMPs) in situ coated on a stainless steel wire were successfully developed and
Laurel E Hind et al.
Cytoskeleton (Hoboken, N.J.), 71(9), 542-554 (2014-09-05)
The ability of macrophages to migrate to sites of infection and inflammation is critical for their role in the innate immune response. Macrophage cell lines have made it possible to study the roles of individual proteins responsible for migration using
Esen Sayin et al.
Journal of biomaterials science. Polymer edition, 26(18), 1402-1424 (2015-09-30)
Adipose derived stem cells (ADSCs) were cultured on collagen-silk fibroin films with microchannel and micropillar patterns to investigate the effects of cell morphology changes on osteogenic differentiation. Channel and pillar micropatterned films were prepared from collagen type I and silk
Ilaria De Pasquale et al.
Applied and environmental microbiology, 80(19), 6243-6255 (2014-08-03)
Pyrosequencing of the 16S rRNA targeting RNA, community-level physiological profiles made with Biolog EcoPlates, proteolysis, and volatile component (VOC) analyses were mainly used to characterize the manufacture and ripening of the pasta filata cheese Caciocavallo Pugliese. Plate counts revealed that
Ana L de Toffoli et al.
Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes, 50(11), 753-759 (2015-09-12)
A method for the identification and quantification of pesticide residues in water, soil, and sediment samples has been developed, validated, and applied for the analysis of real samples. The specificity was determined by the retention time and the confirmation and
Christina M A P Schuh et al.
Cells, tissues, organs, 200(5), 287-299 (2015-09-16)
Tissue engineering approaches in nerve regeneration search for ways to support gold standard therapy (autologous nerve grafts) and to improve results by bridging nerve defects with different kinds of conduits. In this study, we describe electrospinning of aligned fibrin-poly(lactic-co-glycolic acid)
Yuechong Yue et al.
BMC genomics, 16, 470-470 (2015-06-19)
Hedychium coronarium is a popular ornamental plant in tropical and subtropical regions because its flowers not only possess intense and inviting fragrance but also enjoy elegant shape. The fragrance results from volatile terpenes and benzenoids presented in the floral scent
Iwona Ziemecka et al.
Lab on a chip, 15(2), 504-511 (2014-11-20)
Pervaporation in a microfluidic device is performed on liquid ternary solutions of hydrogen peroxide-water-methanol in order to concentrate hydrogen peroxide (H2O2) by removing methanol. The quantitative analysis of the pervaporation of solutions with different initial compositions is performed, varying the
M S Abu-Darwish et al.
Journal of ethnopharmacology, 174, 153-160 (2015-08-19)
Artemisia herba-alba Asso ("desert wormwood" in English; "armoise blanche" in French; "shaih" in Arabic), is a medicinal and strongly aromatic plant widely used in traditional medicine by many cultures since ancient times. It is used to treat inflammatory disorders (colds
Manuela Reitz et al.
Analytica chimica acta, 854, 47-60 (2014-12-07)
This article reports on the chemical analysis of molecular profiles of tarsal secretions of the desert locust Schistocerca gregaria (Forsskål, 1775) by gas chromatography hyphenated with quadrupol mass spectrometry (GC-MS) as well as (1)H-nuclear magnetic resonance ((1)H NMR) spectroscopy. Special
Choong Kim et al.
Biomicrofluidics, 8(6), 066504-066504 (2015-01-15)
Cell encapsulation technology is a promising strategy applicable to tissue engineering and cell therapy. Many advanced microencapsulation chips that function via multiple syringe pumps have been developed to generate mono-disperse hydrogel beads encapsulating cells. However, their operation is difficult and
Bin Li et al.
Small (Weinheim an der Bergstrasse, Germany), 11(28), 3494-3501 (2015-03-20)
A caterpillar-mimetic bilayer actuator is reported, based on a wrinkled polydimethylsiloxane elastomer decorated with a hydroresponsive polyelectrolyte brush. The actuator can fold ultrafast into complex three-dimensional structures upon a change in relative humidity of the surrounding air. The folding direction
Se Yeon Oh
Molecules (Basel, Switzerland), 20(6), 10298-10312 (2015-06-06)
Fast gas chromatography-surface acoustic wave sensor (GC/SAW) has been applied for the detection of the pharmacological volatiles emanated from Houttuynia cordata Thunb which is from South Korea. H. cordata Thunb with unpleasant and fishy odors shows a variety of pharmacological
Volker F Achterberg et al.
The Journal of investigative dermatology, 134(7), 1862-1872 (2014-03-29)
Changes in the mechanical properties of dermis occur during skin aging or tissue remodeling and affect the activity of resident fibroblasts. With the aim to establish elastic culture substrates that reproduce the variable softness of dermis, we determined Young's elastic
Nicholas J Schaub et al.
PloS one, 10(9), e0136780-e0136780 (2015-09-05)
The surface of aligned, electrospun poly-L-lactic acid (PLLA) fibers was chemically modified to determine if surface chemistry and hydrophilicity could improve neurite extension from chick dorsal root ganglia. Specifically, diethylenetriamine (DTA, for amine functionalization), 2-(2-aminoethoxy)ethanol (AEO, for alcohol functionalization), or
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