Search Results
Results 251 - 300 of 2998
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Salih Tamir - - 2012
OBJECTIVES: The prognostic significance of the circumferential resection margin (CRM) status in oesophageal cancer patients treated with neo-adjuvant chemotherapy and radical resection is controversial. Furthermore, it is currently unclear whether patients with cancer located at the CRM have a prognosis different from that of those with cancer within 1 mm of ...
Xu Ligang - - 2012
Anti-fogging and -reflection coatings were fabricated on glass and poly(methyl methacrylate) (PMMA) substrates by integrating solid silica nanoparticles of 25 nm (S-25) and mesoporous silica nanoparticles (MSNs) of 45 nm via layer-by-layer assembly without any post-treatments. Superhydrophilicity and a maximum transmittance of 98.5% in the visible spectral range was achieved ...
Ripmeester John A - - 2012
The NMR spin-lattice relaxation time (T1), spin-spin relaxation time (T2) and the diffusion coefficient D were measure for 1H in a 1:17 mole % solution of tetrahydrofuran (THF) in D2O. The aim of the work was to clarify some earlier points raised regarding the utility of these measurements to convey ...
Schwenzer Birgit - - 2012
Optical properties of spin-coated titanium dioxide films have been tuned by introducing mesoscale pores into the inorganic matrix. Differently sized pores were templated using Pluronic® tri-block copolymers as surfactants in the sol-gel precursor solutions and adjusted by varying process parameters, such as polymer concentration, annealing temperature and time. The change ...
Cavallo Justin V - - 2012
This article explores how self-esteem and executive resources interact to determine responses to motivational conflict. One correlational and 3 experimental studies investigated the hypothesis that high and low self-esteem people undertake different self-regulatory strategies in "risky" situations that afford opportunity to pursue competing goals and that carrying out these strategies ...
Suzuki Masashi - - 2012
Spirastrellolides A (1) and B (3) have been isolated as free acids from a marine sponge Epipolasis sp. collected in the East China Sea. These compounds had been isolated from the Caribbean marine sponge Spirastrella coccinea after conversion to the methyl ester. We examined the cytotoxic activities of 1 and ...
Ye Xian-Zong - - 2012
The invasion of malignant glioma cells into the surrounding normal brain tissues is crucial for causing the poor outcome of this tumor type. Recent studies suggest that glioma stem-like cells (GSLCs) mediate tumor invasion. However, it is not clear whether microenvironment factors, such as tumor-associated microglia/macrophages (TAM/Ms), also play important ...
Li Joyce - - 2012
OBJECTIVES:We aimed to characterize the demographics, diagnoses, and management of transferred patients who were directly discharged from the emergency department (ED) or admitted less than 24 hours.METHODS:We conducted a retrospective, cross-sectional study of patients classified as interfacility ED transfers over a 12-month period in the Pediatric Health Information System database, ...
Jakubowiak Andrzej J - - 2012
This phase 1/2 study in patients with newly diagnosed multiple myeloma (N = 53) assessed CRd--carfilzomib (20, 27, or 36 mg/m2, days 1, 2, 8, 9, 15, 16 and 1, 2, 15, 16 after cycle 8), lenalidomide (25 mg/d, days 1-21), and weekly dexamethasone (40/20 mg cycles 1-4/5+)--in 28-day cycles. ...
Steffen Andreas - - 2012
Engineering quantum particle systems, such as quantum simulators and quantum cellular automata, relies on full coherent control of quantum paths at the single particle level. Here we present an atom interferometer operating with single trapped atoms, where single particle wave packets are controlled through spin-dependent potentials. The interferometer is constructed ...
Trushina Aleksandra P - - 2012
The mechanism and spectral dependence of the quantum yield of singlet oxygen O2(a1g) photogenerated by UV-radiation in gaseous oxygen at the elevated pressure (32-130 bar) have been experimentally investigated within the 238-285 nm spectral region overlapping the range of the Wulf bands in the absorption spectrum of oxygen. The dominant ...
Xie Pan - - 2012
A new strategy for generation of benzylpalladium reactive species from toluenes via non-directed C(sp3)-H activation has been developed, which led to constructing an efficient Pd-catalyzed reaction protocol for the oxidative carboxylation of benzylic C-H bonds to form substituted 2-phenylacetic acid esters and derivatives from inexpensive, commercially available starting materials.
Green Tina Marie - - 2012
PURPOSEApproximately 5% of diffuse large B-cell lymphomas (DLBCLs) are double-hit lymphomas (DHLs) with translocations of both MYC and BCL2. DHLs are characterized by poor outcome. We tested whether DLBCLs with high expression of MYC protein and BCL2 protein share the clinical features and poor prognosis of DHLs. PATIENTS AND METHODSParaffin-embedded ...
Perry Daniel C - - 2012
BACKGROUND AND OBJECTIVES:Perthes disease is a childhood precipitant to osteoarthritis of the hip, for which the etiology and mechanism are unknown. There is mounting evidence to suggest a vascular insult is responsible for disease, and it is suggested that this may have long-term implications for the vascular health of affected ...
Masoud Rula - - 2012
We present a test case example of a detailed single-molecule fluorescence study of one of the most sophisticated and complex DNA devices introduced to date, a recently published autonomous bipedal DNA motor. We used the diffusion-based single-molecule Förster resonance energy transfer technique, coupled to alternating laser excitation (sm-FRET-ALEX), to monitor ...
Davies Melari - - 2012
We investigated silver nano-wires using correlative wide-field fluorescence- and transmission electron microscopy. In the wide-field fluorescence images synchronous emission from different distinct positions along the silver nano-wires was observed. The sites of emission were separated spatially by up to several micrometers. Nano-wires emitting in such cooperative manner were then also ...
Jolliff J S - - 2012
The effect of dietary phytase and the prebiotic inulin on apparent mineral digestibility, bone mineralization, and tissue mineral contents was evaluated in weanling and growing pigs. In Exp.1, inulin and phytase were incorporated in a 2 × 3 factorial arrangement of treatments with 8 replicate pens per treatment in a ...
Zhou Z - - 2012
In livestock, the ovarian reserve of follicles is established during the fetal stage. However, at least two-thirds of the oocytes present in the reserve die because of apoptosis before birth. Notably, mitochondria have been reported to play a crucial role in the fate (life/death) of oocytes. In this study, mitochondrial ...
Jarrold Christopher - - 2012
The size of an individual's phonological similarity effect for visually presented material is assumed to reflect his or her ability to recode, and by implication rehearse, information in verbal short-term memory. Many studies have shown that under these conditions, the size of this effect interacts with age, tending to be ...
Karagol Belma Saygili - - 2012
OBJECTIVE: To evaluate the effect of slow vs rapid rates of advancement of enteral feed volumes on the clinical outcomes in preterm infants with 750-1250 g birth weight. Study Design: A total of 92 stable neonates 750-1250 g and gestational age <32 weeks were randomly allocated to enteral feeding advancement ...
Möller Axel - - 2012
Background. The aim of this study was to analyze the association between quality of life six months following lung cancer surgery and survival. Methods. In a prospective population-based cohort study, quality of life was estimated by the Medical Outcomes Study 36-Item Short Form (SF-36) questionnaire before and six months after ...
Díaz Sebastián A - - 2012
Photoswitchable semiconductor nanoparticles, quantum dots (QDs), couple the advantages of conventional QDs with the ability to reversibly modulate the QD emission, thereby improving signal detection by rejection of background signals. Using a simple coating methodology with polymers incorporating a diheteroarylethene photochromic FRET acceptor as well as a spectrally distinct organic ...
Starke Svenja - - 2012
Ruminants are known to be able to very effectively recycle urinary urea and reuse it as a source of N for ruminal microbes. It is presumed that urea recycling is accomplished by specialized urea transporters (UT) which are localized in the kidney. This could be especially important in times of ...
Wilkinson J M - - 2012
It is difficult to obtain phenotypic data on disease susceptibility directly from swine in an industry setting. The proliferation of peripheral blood mononuclear cells (PBMC) stimulated by the T cell mitogen concanavalin A (Con A) has long been used as an indirect measure of the responsiveness of an individual's immune ...
Magee Pamela J - - 2012
The soybean-derived protease inhibitor, Bowman-Birk inhibitor (BBI), is currently showing great promise as a novel cancer chemopreventive agent. In contrast to the wealth of research conducted on this compound, the anticancer effects of protease inhibitors isolated from other leguminous sources have received limited attention. In the current study, 7 protease ...
Chang Li-Yuan - - 2012
CD103 is a marker for identification of effector/memory regulatory T cells (Tregs). CD103(+) Tregs are potent suppressors of tissue inflammation in several infectious diseases, autoimmune diseases, and cancers. However, the underlying mechanisms for this potent suppression ability remain unclear. The current study was designed to clarify this issue. Unexpectedly, we ...
Yuma-Guerrero Paula J - - 2012
BACKGROUND AND OBJECTIVE:Alcohol use by adolescents is widespread and is connected to a number of negative health and social outcomes. Adolescents receiving emergent care for injuries are often linked with risky use of alcohol. The trauma system has widely adopted the use of screening, brief intervention, and referral to treatment ...
Falgayrac Guillaume - - 2012
Mixture of natural and anthropogenic particles is ubiquitous in the troposphere and exerts an important influence on air quality. This work reports the study of mixing and heterogeneous chemistry of particles of natural-like mineral dust (CaCO3) and anthropogenic-like micro-particle (PbSO4) in turbulent air flow under various relative humidity. Sparse monolayers ...
Heidsieck Alexandra - - 2012
The technique of magnetic drug targeting deals with binding drugs or genetic material to superparamagnetic nanoparticles and accumulating these complexes via an external magnetic field in a target region. For a successful approach, it is necessary to know the required magnetic set-up as well as the physical properties of the ...
Yin Lu - - 2012
[Pt(2,2'-bpy)(1-MeC-N3)(2)](NO(3))(2) (1) (2,2'-bpy = 2,2'-bipyridine; 1-MeC = 1-methylcytosine) exists in water in an equilibrium of head-tail and head-head rotamers, with the former exceeding the latter by a factor of ca. 20 at room temperature. Nevertheless, 1 reacts with (en)Pd(II) (en = ethylenediamine) to give preferentially the dinuclear complex [Pt(2,2'-bpy)(1-MeC(-)-N3,N4)(2)Pd(en)](NO(3))(2)·5H(2)O (2) ...
Devarajan Deepa - - 2012
Density functional and correlated ab initio methods were used to calculate, compare, and analyze bonding interactions in late-transition-metal alkyl and heteroatom complexes (M-X). The complexes studied include: (DMPE)Pt(CH(3))(X) (DMPE = 1,2-bis(dimethylphosphino)ethane), Cp*Ru(PMe(3))(2)(X) (Cp* = pentamethylcyclopentadienyl), (DMPE)(2)Ru(H)(X), (Tp)(CO)Ru(Py)(X) (Tp = trispyrazolylborate), (PMe(3))(2)Rh(C(2)H(4))(X), and cis-(acac)(2)Ir(Py)(X) (acac = acetylacetonate). Seventeen X ligands were ...
Nooner Kate B - - 2012
Studies of posttraumatic stress disorder (PTSD) in adolescence published from 2000 to 2011 indicate that adolescents are at greater risk of experiencing trauma than either adults or children, and that the prevalence of PTSD among adolescents is 3-57%. Age, gender, type of trauma, and repeated trauma are discussed as factors ...
Norris Dennis - - 2012
The goal of research on how letter identity and order are perceived during reading is often characterized as one of "cracking the orthographic code." Here, we suggest that there is no orthographic code to crack: Words are perceived and represented as sequences of letters, just as in a dictionary. Indeed, ...
Li N - - 2012
SUMMARY This study examined the effect of phosphoric acid (PA) etching on the bond strength and acid-base resistant zone (ABRZ) formation of a two-step self-etching adhesive (SEA) system to enamel. An etch-and-rinse adhesive (EAR) system Single Bond (SB) and a two-step SEA system Clearfil SE Bond (SE) were used. Human ...
Warner Jamie H - - 2012
We distinguish between Bernal and rhombohedral stacked trilayer graphene using aberration-corrected high-resolution transmission electron microscopy. By using a monochromator to reduce chromatic aberration effects, angstrom resolution can be achieved at an accelerating voltage of 80 kV, which enables the atomic structure of ABC rhombohedral trilayer graphene to be unambiguously resolved. ...
Wan Lijuan - - 2012
A series of novel bis-pyrazole/pyridine complexes, [Zn(2)(HL(1))(2)(μ(2)-SO(4))](2)·EtOH·H(2)O (1), [Co(2)(HL(1))(2)(μ(2)-SO(4))](2)·2DMF·6H(2)O (2), [Zn(4)(HL(1))(4)(μ(4)-SO(4))][OH](2) (3), [Zn(2)(HL(2))(2)(μ(2)-SO(4))]·2H(2)O (4), [Zn(H(2)L(2))(H(2)O)(2)](SO(4))·0.87H(2)O (5) (H(2)L(1) = 2,6-di-(5-phenyl-1H-pyrazol-3-yl)pyridine, H(2)L(2) = 2,6-di-(5-methyl-1H-pyrazol-3-yl)pyridine), were synthesized hydrothermally from the self-assembly of Zn(II) or Co(II) with different types of bipyrazolyl/pyridine derivative ligands. All the complexes were characterized by elemental analysis, IR and UV-vis ...
Guo Sheng-Ping - - 2012
Eight new rare-earth metal-lithium-germanides belonging to the [REGe(2)](n)[RELi(2)Ge](m) homologous series have been synthesized and structurally characterized by single-crystal X-ray diffraction. The structures of the title compounds can be rationalized as linear intergrowths of imaginary RELi(2)Ge (MgAl(2)Cu structure type) and REGe(2) (AlB(2) structure type) slabs. The compounds with general formula RE(7)Li(8)Ge(10) ...
Felix T L - - 2012
Two experiments were conducted to evaluate the effects of monensin and dried distillers grains with solubles (DDGS) on ruminal metabolism in 8 fistulated steers. In Exp. 1, treatments were (DM basis): (1) 0 mg monensin/kg diet DM, (2) 22 mg monensin/kg diet DM, (3) 33 mg monensin/kg diet DM, and ...
Peters S O - - 2012
Data from developing Brangus heifers (3/8 Brahman-Bos indicus x 5/8 Angus- Bos taurus; n ≈ 802 from 67 sires) registered with International Brangus Breeders Association were analyzed to detect QTL associated with growth traits and ultrasound measures of carcass traits. Genotypes were from BovineSNP50 (Infinium BeadChip, Illumina, San Diego, CA; ...
Tauber Sarah K - - 2012
Prior research suggests that older adults judge their learning as well as young adults, but given age-related differences in the processing of emotional materials, older adults may show deficits in their judgment accuracy when they study emotionally charged words. In 2 experiments, we evaluated this possibility by having young and ...
Breuer Marian - - 2012
Electron transporting multi-heme cytochromes are essential to the metabolism of microbes that inhabit soils and carry out important biogeochemical processes. Recently the first crystal structure of a prototype bacterial deca-heme cytochrome (MtrF) has been resolved and its electrochemistry characterized. However, the molecular details of electron conductance along heme chains in ...
González L A - - 2012
The objective of the present study was to document the relationships between selected welfare outcomes and transport conditions during commercial long haul transport of cattle (≥ 400 km; 6,152 journeys; 290,866 animals). Surveys were delivered to transport carriers to collect information related to welfare outcomes including the number of dead, ...
Bourg B M - - 2012
Two experiments were conducted to examine the impact of source, urea (U) or Optigen II (O), and level of dietary NPN on performance (Exp.1) and N balance (Exp. 2) of growing cattle. Sixty Angus crossbred steers (initial BW = 353 ± 13.9 kg) were used to evaluate performance, and fed ...
Zhong Shu - - 2012
We demonstrate the use of chemical-vapor-deposited (CVD) graphene as an effective indium-tin-oxide (ITO) electrode surface modifier to engineer the organic donor-acceptor heterojunction interface properties in an inverted organic solar cell device configuration. As revealed by in situ near-edge X-ray adsorption fine structure measurement, the organic donor-acceptor heterojunction, comprising copper-hexadecafluoro-phthalocyanine (F(16)CuPc) ...
Assem Naila - - 2012
Our interest in chemoselective transformations has led to the discovery of unprotected aziridine aldehydes. Aziridine aldehydes belong to the amphoteric class of molecules by virtue of their dual nucleophilicity/electrophilicity. From the beginning of our studies in this area, we became aware of the ability of aziridine nitrogen to intercept cationic ...
Kobayashi Makiko - - 2012
The influence of whole-body gamma-irradiation on the antibacterial host defense against Enterococcus faecalis translocation was investigated. Mice irradiated with or without 5 Gy [(137)Cs] gamma-rays were orally infected with 10(6) CFU/mouse E. faecalis. The pathogen was detected in the mesenteric lymph nodes (MLNs) of irradiated mice 1-4 d postinfection, whereas ...
Viana Fabiano F - - 2012
OBJECTIVES: A single or dual-dose strategy for myocardial protection is attractive in long operations, in avoiding the need to interrupt the procedure to re-administer cardioplegia. We hypothesized that a single administration of Bretschneider histidine-tryptophan-ketoglutarate (HTK) crystalloid solution (Custodiol) offers myocardial protection comparable with repeated tepid blood cardioplegia. METHODS: We reviewed ...
Leung Siu-Fung - - 2012
Unique light-matter interaction at nanophotonic regime can be harnessed for designing efficient photonic and optoelectronic devices such as solar cells, lasers, and photodetectors. In this work, periodic photon nanowells are fabricated with a low-cost and scalable approach, followed by systematic investigations of their photon capturing properties combining experiments and simulations. ...
Lampri Niki - - 2012
BACKGROUND: Extended-spectrum β-lactamases (ESBLs) have emerged as an important mechanism of β-lactam resistance among community uropathogens. We characterized the ESBLs of a collection of Escherichia coli isolates recovered from outpatients with urinary tract infection during nationwide surveillance conducted from 2005 to 2006 in Greece, and evaluated the in vitro activity ...
Srinivas Shubha V - - 2012
An initiative of the National Physicians Alliance, the project titled "Promoting Good Stewardship in Clinical Practice," developed a list of the top 5 activities in primary care for which changes in practice could lead to higher-quality care and better use of finite clinical resources. One of the top 5 recommendations ...
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