MilliporeSigma
Search Within

267740

Applied Filters:
Keyword:'267740'
Showing 1-30 of 186 results for "267740" within Papers
Golo M J Meyer et al.
Analytical and bioanalytical chemistry, 407(3), 761-778 (2014-09-23)
Mesembrine and mesembrenone are the main alkaloids of Sceletium tortuosum, a plant species that was used for sedation and analgesia by the KhoiSan, previously known as Hottentots, a tribe in South Africa. After fermentation, the obtained preparation called "Kanna" or
Colin J Ingham et al.
Biotechnology advances, 30(5), 1089-1099 (2011-08-23)
Porous aluminum oxide (PAO) is a ceramic formed by an anodization process of pure aluminum that enables the controllable assembly of exceptionally dense and regular nanopores in a planar membrane. As a consequence, PAO has a high porosity, nanopores with
Zhao-Dong Liu et al.
Colloids and surfaces. B, Biointerfaces, 110, 289-295 (2013-06-05)
We investigated the adhesion of Escherichia coli to α-Fe2O3 and γ-Al2O3 and the effects of adhesion on the surface properties of the oxides in batch experiments, where we conducted potentiometric titration, zeta potential measurements, and FTIR spectroscopy. The adhesion isotherms
Kevin A Thorn et al.
PloS one, 10(11), e0142452-e0142452 (2015-11-12)
Despite recent advances in spectroscopic techniques, there is uncertainty regarding the nature of the carbonyl groups in the asphaltene and resin fractions of crude oil, information necessary for an understanding of the physical properties and environmental fate of these materials.
James R Gallagher et al.
Physical chemistry chemical physics : PCCP, 17(42), 28144-28153 (2015-03-21)
We report the structural evolution of Pd-Zn alloys in a 3.6% Pd-12% Zn/Al2O3 catalyst which is selective for propane dehydrogenation. High signal-to-noise, in situ synchrotron X-ray diffraction (XRD) was used quantitatively, in addition to in situ diffuse-reflectance infrared Fourier transform
Tomomi Sato et al.
Molecular pharmacology, 88(6), 1024-1034 (2015-09-20)
Comparisons between structures of the β1-adrenergic receptor (AR) bound to either agonists, partial agonists, or weak partial agonists led to the proposal that rotamer changes of Ser(5.46), coupled to a contraction of the binding pocket, are sufficient to increase the
Christie Ying Kei Lung et al.
Journal of the mechanical behavior of biomedical materials, 41, 168-176 (2014-12-03)
To evaluate the in vitro effect of titanium surface treatment by a polydimethylsiloxane coating on the shear bond strength of a resin composite cement to titanium. The titanium samples (40×30mm) were divided into 4 groups (n=12). A control group was
Sai Fang et al.
Organic & biomolecular chemistry, 13(16), 4714-4726 (2015-03-25)
Based on the scaffolds of caffeic acid phenethyl ester (CAPE) as well as bioactive lactone-containing compounds, 6-acrylic phenethyl ester-2-pyranone derivatives were synthesized and evaluated against five tumor cell lines (HeLa, C6, MCF-7, A549, and HSC-2). Most of the new derivatives
Matteo Lorenzoni et al.
Langmuir : the ACS journal of surfaces and colloids, 31(42), 11630-11638 (2015-10-08)
The mechanical properties of several types of block copolymer (BCP) thin films have been investigated using PeakForce quantitative nanomechanical mapping. The samples consisted of polystyrene/poly(methylmethacrylate) (PS/PMMA)-based BCP thin films with different pitches both randomly oriented and self-assembled. The measured films
G P J van Hout et al.
Basic research in cardiology, 110(6), 58-58 (2015-10-16)
Myocardial infarction (MI) induces an inflammatory response in which neutrophils fulfill a prominent role. Mean neutrophil volume (MNV) represents the average size of the circulating neutrophil population. Our goal was to determine the effect of MI on MNV and investigate
E A Peralta et al.
Nature, 503(7474), 91-94 (2013-10-01)
The enormous size and cost of current state-of-the-art accelerators based on conventional radio-frequency technology has spawned great interest in the development of new acceleration concepts that are more compact and economical. Micro-fabricated dielectric laser accelerators (DLAs) are an attractive approach
Toru Ogawa et al.
Drug development and industrial pharmacy, 41(2), 315-321 (2013-11-23)
Inorganic extractables from glass vials may cause particle formation in the drug solution. In this study, the ability of eluting Al ion from borosilicate glass vials, and tendencies of precipitation containing Al were investigated using various pHs of phosphate, citrate
Bum-Young Noh et al.
Journal of nanoscience and nanotechnology, 13(5), 3335-3340 (2013-07-19)
Surface plasmon (SP)-enhanced light emission mechanism has been investigated for the Ag-coated ZnO/Al2O3 core/shell nanorods (NRs). Structural characterizations showed that the ZnO NRs were covered by conformal Al2O3 layer and coated by Ag nanoparticles (NPs). The optical studies by photoluminescence
Min-Quan Yang et al.
Nanoscale, 7(43), 18062-18070 (2015-09-26)
Considerable effort has been made to fabricate graphene (GR)/semiconductor composite photocatalysts, by using graphene oxide (GO) as the most widely used precursor of GR, toward an improved efficacy of solar energy conversion. However, thus far, the role of GO in
Rui-Tang Guo et al.
Environmental technology, 35(13-16), 1766-1772 (2014-06-25)
CeO2-CuO/Al2O3 catalysts were prepared by three different methods and their activities for selective catalytic reduction (SCR) of NO with NH3 were investigated. As can be seen from the experimental results, the catalyst prepared by the single-step sol-gel (SG) method showed
Lin Zhang et al.
Environmental science & technology, 49(23), 13760-13767 (2015-06-09)
The dynamics of persistent organic pollutants in the oceans are not well constrained, in particular during a bloom formation and collapse. Polychlorinated biphenyls (PCBs) and some pesticides were measured in air, water, and zooplankton tracking the North Atlantic Bloom in
G Szabó et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 48(4), 354-361 (1990-04-01)
In a 4-year period, 40 compact aluminum oxide ceramic implants fixed with titanium plates and screws were used: 24 for the correction of mandibular defects, 9 for temporomandibular joint replacement, and 7 for augmentation of facial contour. During the 1
Mutlu Ozcan et al.
The journal of adhesive dentistry, 15(3), 211-214 (2013-05-24)
To evaluate the effect of nozzle distance, nozzle angle, and deposition duration on the silica content attained on zirconia by air abrasion. Disk-shaped zirconia (LAVA, 3M ESPE) (diameter: 10 mm, thickness: 2 mm) specimens (N = 54) were obtained. They
Esra Can Say et al.
Dental materials journal, 33(3), 332-342 (2014-03-07)
The purpose of this study was to investigate surface roughness (Ra) and morphology of supra-nanofilled [Estelite Omega (EO), Estelite ∑ Quick (EQ)], micro-hybrid [Esthet.X HD (EHD), G-aenial (GAE)] and nano-hybrid [Clearfil Majesty Posterior (CMP), Charisma Diamond (CD), Beautifil II (BII)]
Ying Duan et al.
Journal of water and health, 12(4), 715-721 (2014-12-05)
The study describes the removal of fluoride from drinking water using activated alumina (AA). AA was modified with H2SO4, FeCl3 and a combination of the two to enhance fluoride adsorption. The AA adsorbents were characterized using Brunauer-Emmett-Teller surface area analysis
Dae-Hee Kim et al.
Journal of nanoscience and nanotechnology, 13(5), 3564-3567 (2013-07-19)
The initial reaction of dimethylaluminum isopropoxide (Al(CH3)2OC3H7, DMAI) with a fully hydrogen-terminated Si (001) surface for aluminum oxide thin-film growth was investigated using density functional theory. Al-C and Al-O bonds of the adsorbed DMAI were easily broken to produce unimethylaluminum
Sunandan Pakrashi et al.
Aquatic toxicology (Amsterdam, Netherlands), 152, 74-81 (2014-04-17)
The transfer of nanoparticles through the food chain can lead to bioaccumulation and biomagnification resulting in a long term negative impact on the ecosystem functions. The primary objective of this study was evaluation of aluminium oxide nanoparticles transfer from primary
Graziela Ribeiro Batista et al.
The journal of adhesive dentistry, 17(5), 421-426 (2015-11-04)
To evaluate the influence of different surface treatments on roughness and bond strength of composite repairs. 120 truncated conical specimens were prepared with composite Grandio SO (VOCO) and submitted to 5000 thermal cycles. Specimens were divided into 12 groups (n
Zhi-You Yang et al.
Phytochemistry, 105, 158-163 (2014-06-12)
Seven hexahydrobenzophenanthridine-type alkaloids, Ambiguanine A-G, along with eight known alkaloids, were isolated from tubers of Corydalis ambigua var. amurensis. Their structures were elucidated based on extensive spectroscopic analyses, with absolute configurations determined by CD experiments.
Patricia A Fair et al.
General and comparative endocrinology, 206, 203-212 (2014-07-16)
There is a growing concern about the impacts of stress in marine mammals as they face a greater array of threats. The stress response of free-ranging dolphins (Tursiops truncatus) was examined by measuring their physiologic response to capture and handling.
Inga L Topolnicki et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(12), 2485-2489 (2014-05-28)
The partitioning constants and Gibbs free energies of transfer of poly(oxyethylene) n-alkyl ethers between dodecane and the protic ionic liquids (ILs) ethylammonium nitrate (EAN) and propylammonium nitrate (PAN) are determined. EAN and PAN have a sponge-like nanostructure that consists of
Takuya Nishioka et al.
Ultrasonics, 57, 84-89 (2014-12-04)
A thermophone is a thermoacoustic transducer, which generates sound via time-varying Joule heating of an electrically conductive layer, which leads to expansion and contraction of a small pocket of air near the surface of the film. In this work, a
N N Adhapure et al.
Prikladnaia biokhimiia i mikrobiologiia, 49(3), 279-284 (2013-07-26)
With the current rapid developments in technology, there is an increasing accumulation of outdated electronic equipment. The primary reason for this increase is the low rate of recycling due to the complex nature of such waste. Bioleaching offers a promising
Bulent Uludag et al.
The journal of adhesive dentistry, 16(6), 523-529 (2014-09-30)
To evaluate the microleakage of Cerec 3, IPS e.max Press, and Turkom-Cera inlays cemented with three self-adhesive resin cements. Ninety standardized class III MOD cavities were prepared in intact human mandibular third molars. Ceramic inlays were fabricated according to the
Runzeng Liu et al.
Journal of chromatography. A, 1381, 13-21 (2015-01-24)
Robust analytical methods were developed for the determination of eight emerging synthetic phenolic antioxidants (SPAs) and three metabolites in sewage sludge, effluent and river water matrices. Accelerated solvent extraction was employed for the extraction of the target analytes from sludge
Page 1 of 7