Search Results
 Results 501 - 550 of 2924 < 6 7 8 9 10 11 12 13 14 15 16 > 501 Sloniec Jagoda - - 2013 Fluorescent derivatives of the (129) Xe NMR contrast agent cryptophane-A were obtained by functionalization with near infrared fluorescent dyes DY680 and DY682. The resulting conjugates were spectrally characterized, and their interaction with giant and large unilamellar vesicles of varying phospholipid composition was analyzed by fluorescence and NMR spectroscopy. In the ... 502 Long James Z - - 2013 The objective of this research is to determine whether there are significant differences in the (18)F-FDG produced by either the phosphate or the citrate buffer cassettes in the FASTlab synthesizer. METHODS: Forty batches of (18)F-FDG were produced with each cassette and analyzed retrospectively. The analysis consisted of determining the mean ... 503 McDonald Jennifer S - - 2013 Purpose:To perform a systematic review and meta-analysis of controlled studies examining the incidence of acute kidney injury (AKI) and other outcomes in patients exposed to intravenous (IV) contrast medium compared with patients who underwent an imaging examination without contrast medium or were otherwise unexposed (control group).Materials and Methods:MEDLINE, EMBASE, Scopus, ... 504 Schweickart Oliver - - 2013 How do people compare quantitative attributes of real-world objects? (e.g., Which country has the higher per capita GDP, Mauritania or Nepal?). The research literature on this question is divided: Although researchers in the 1970s and 1980s assumed that a 2-stage magnitude comparison process underlies these types of judgments (Banks, 1977), ... 505 Way Leilani Ireland - - 2013 OBJECTIVE: To determine the utility of performing urine Gram stain for detection of bacteriuria compared to routine urine sediment examination and bacterial aerobic urine culture. DESIGN: Prospective, observational study. SETTING: University teaching hospital. ANIMALS: Urine samples acquired via cystocentesis through convenience sampling from 103 dogs presenting to a tertiary referral ... 506 Jackson J G - - 2013 The p53 tumor-suppressor pathway is dismantled in the development of most cancers. Mice with various p53 mutant alleles either singly or in combination with other genetic alterations are predisposed to tumor development. Here, we review studies utilizing p53 mutant mice that have recapitulated and informed clinical observations. These studies have ... 507 Hsieh Ru-Lan - - 2013 AIMS: The study aims to evaluate the quality of life (QOL) and health of children with unclassified developmental delays and the impacts this had on the family. METHODS: In total, 60 parents of pre-school children with unclassified developmental delays and 56 parents of age and gender-matched children with typical development ... 508 Andrikopoulos Prokopis C - - 2013 The role of framework oxygen atoms in N(2) O decomposition [N(2) O(g)→N(2) (g) and ${{{{1} \over {2}}}}$O(2) (g)] over Fe-ferrierite is investigated employing a combined experimental (N(2) (18) O decomposition in batch experiments followed by mass spectroscopy measurements) and theoretical (density functional theory calculations) approach. The occurrence of the isotope ... 509 Silvestri Romano - - 2013 Boger et al. synthesized a series of C20' urea derivatives of vinblastine that matched or exceeded the potency of vinblastine in cell growth inhibition assays. The studies demonstrated the importance of the H-bond donor on the C20' position and revealed the presence of a space surrounding the C20' substituent that ... 510 Nixon Carly - - 2013 We have carried out experiments to investigate the aging of latent fingerprints deposited on black PVC over a period of 4-15 weeks. A thumbprint was used in each case and before deposition of the print the donor rubbed their thumb around their nose to add sebaceous deposits. We have studied ... 511 Roman A - - 2013 BACKGROUND: The aim of this study was to evaluate whether the combination of enamel matrix derivative (EMD) with subepithelial connective tissue graft (SCTG) plus coronally advanced flap (CAF) would improve the treatment outcomes of Miller class I and II gingival recessions when compared with the same technique (SCTG plus CAF) ... 512 Park Tae Yeop - - 2013 BACKGROUND AND PURPOSE: Prostaglandin E(2) (PGE(2) ) has been implicated in the regulation of adhesion molecules, leukocyte adhesion and infiltration into inflamed site. However, the underlying mechanism therein involved remains ill-defined. In this study, we explored its cellular mechanism of action in the regulation of the intercellular adhesion molecule-1 (ICAM-1) ... 513 McCormick Taylor - - 2013 The differential diagnosis for the infant presenting with an apparent life-threatening event (ALTE) is broad. Toxic ingestions are a relatively uncommon cause of an ALTE, although several over-the-counter, prescription, and illicit drugs have been implicated. We present 2 cases of ethanol intoxication in infants as a previously unreported cause of ... 514 Mathis Gérald - - 2013 2'-O-Neopentyldeoxyuridine (Un) was synthesized and incorporated into a series of oligodeoxyribonucleotides. Single and triple incorporations in various arrangements were performed. The Watson and Crick pairing properties with complementary DNA and RNA were investigated by UV melting curves, CD spectroscopy, and molecular dynamic simulations. The results were compared to those obtained ... 515 Andre Jo-Anne D - - 2013 The emphasis on scholarship in nursing, demands for evidence-based practice, and attention to writing have raised the profile of academic writing within nursing curricula. This article provides a comprehensive review of English and writing course requirements across 81 English-language baccalaureate nursing programs in Canada. The data were gathered from a ... 516 Huang Haofei - - 2013 The chiral ketone, (S)-3, shows high kinetic enantioselectivities toward L-form for general underivatized amino acids with hydrophobic side chains, and a high thermodynamic enantioselectivity toward D-form for cysteine with -SH polar side chain when used as an extractant in the enantioselective liquid-liquid extraction in the presence of Aliquat 336. Continuing ... 517 Deveci Ildem - - 2013 ObjectiveTo investigate the histopathologic changes in rat soft palate and base of tongue by performing experimental polycystic ovary syndrome (PCOS) and menopause models.Study DesignExperimental study.SettingThe study was conducted at the animal care facility of Haydarpasa Numune Education and Research Hospital.Subject and MethodsThirty healthy female Albino Wistar rats were divided into ... 518 Hassan Natalia - - 2013 Lab-on-a-particle: Fluorescent, plasmonic, and magnetic SiO(2) *-Au-γ-Fe(2) O(3) nanostructures were assembled under continuous flow using two microfluidic devices (μR1 and μR2) connected in series. After assembling the SiO(2) *-Au nanostructures by electrostatic interactions, γ-Fe(2) O(3) nanoparticels were attached to the structures. 519 Díaz-Santos E - - 2013 Despite the biotechnological interest of microalgae, no robust and stable methods for genetic transformation of most microalgal strains exist. The scanty and disperse data about the efficiency of heterologous promoters in microalgae and the use of different transformation methods, DNA quantities and reporter genes in the existing studies makes very ... 520 Johnstone Devon L - - 2013 We describe temporal changes in the genetic composition of a small anadromous Atlantic salmon (Salmo salar) population from South Newfoundland, an area where salmon populations are considered threatened (COSEWIC 2010). We examined the genetic variability (13 microsatellite loci) in 869 out-migrating smolt and post-spawning kelt samples, collected from 1985 to ... 521 Burks J - - 2013 Aberrant expression of the oncogenic Kirsten-Ras (Ki-Ras) and interferon-stimulated gene 15 (ISG15) pathways is common in breast and other cancers. However, whether these dysregulated pathways cooperate to promote malignancy is not known. This study links Ki-Ras and ISG15 in a previously unidentified regulatory loop that may underlie malignant transformation of ... 522 Kashiwagi S - - 2013 BACKGROUND: As patients with basal-like breast cancer (BLBC) have a poor prognosis and there is no specifically tailored therapy, molecular biological characterization of BLBC is necessary. c-Kit is a transmembrane receptor tyrosine kinase known to play important roles in various solid cancers. This study classified BLBCs from patients with breast ... 523 Ummarino D - - 2013 Baseline impedance (BImp) reflects esophageal integrity. The study aims to identify the optimal method to calculate BImp. Mean BImp was calculated in 20 consecutive multichannel intraluminal impedance recordings including and excluding impedance events (IEs) (reflux, swallows, and gas episodes) in all channels during the full recording and during the first ... 524 Cong Xiaoming - - 2013 BACKGROUND: Recently, a method of infrared spectroscopy analysis to identify melamine-contained stone was established by examining melamine powders mixed with true urinary stones. However, several studies demonstrated melamine could be interacted with cyanuric acid or uric acid in water through hydrogen bonds. It presents a hypothesis that the infrared spectrum ... 525 Koehler Christian J - - 2013 Isobaric peptide termini labeling (IPTL) is based on labeling of both peptide termini with complementary isotopic labels resulting in isobaric peptides. MS/MS analysis after IPTL derivatization produces peptide-specific fragment ions which are distributed throughout the MS/MS spectrum. Thus, several quantification points can be obtained per peptide. In this report, we ... 526 Epstein Steven E - - 2013 OBJECTIVE: To report a case of blindness due to the ingestion of ivermectin and subsequent successful treatment with intravenous lipid (IVL) therapy. CASE SUMMARY: A female neutered Jack Russell Terrier was examined for acute onset of apparent blindness after being exposed to ivermectin the previous day. The dog appeared to ... 527 Vreshch Volodymyr - - 2013 Three new 'short' metallacycles are selectively obtained from the reaction of a bimetallic Cu(I) 'U-shape' molecular clip with, respectively, the cyano CN(-), tricyanomethanide C(CN)(3)(-), and azido N(3)(-) pseudohalogenide ions. These supramolecular assemblies have been characterized by spectroscopic methods, single-crystal X-ray diffraction, and elemental analysis. The single-crystal X-ray structures of these ... 528 Sung K W - - 2013 In an effort to improve survival and reduce late adverse effects of radiation therapy (RT), 25 children <3 years of age with malignant brain tumors received tandem high-dose chemotherapy (HDCT) and auto-SCT following six cycles of induction chemotherapy. RT was either not given or deferred until 3 years of age ... 529 Munugalavadla V - - 2013 The phosphatidylinositol 3'-kinase (PI3K) pathway is dysregulated in multiple myeloma (MM); we therefore tested a highly selective class I PI3K inhibitor, GDC-0941, for anti-myeloma activity. Functional and mechanistic studies were first performed in MM cell lines, then extended to primary MM patient samples cultured in vitro. GDC-0941 was then assessed ... 530 Ding Min - - 2013 Abstract Objectives: This article reports on a case and reviews some articles on acupuncture- induced pneumothorax published in Chinese and English medical journals since 1980. Case: A 35-year-old man presented with left chest pain and dyspnea after receiving acupuncture. The patient was later diagnosed with a 12% pneumothorax of the ... 531 Veksler Alex - - 2013 Protein search for targets on DNA starts all major biological processes. Although significant experimental and theoretical efforts have been devoted to investigation of these phenomena, mechanisms of protein-DNA interactions during the search remain not fully understood. One of the most surprising observations is known as a speed-selectivity paradox. It suggests ... 532 Liu Yihua - - 2013  Due to the widespread use and potential toxicity of organophosphorous pesticides (OPs), multiresidue monitoring of OPs in camellia oil has become increasingly important. A simple, rapid, and effective matrix solid-phase dispersion extraction for the determination of 15 organophosphorous pesticides in camellia oil is described. Related important factors influencing the extraction ... 533 Yan Fei - - 2013 BackgroundThere is an increasing frequency of requests for cochlear implantation (CI) in deaf children and more detailed image information is necessary for selecting appropriate candidates. Cochlear nerve deficiency (CND) is a contraindication to CI. Magnetic resonance imaging (MRI) has been used to evaluate the integrity of the cochlear nerve. The ... 534 Huang Xin - - 2013 Protobothrops jerdonii is a common venomous snake that is widely distributed in southwestern China and other adjacent countries of Asia. In this study, the complete mitochondrial genome of P. jerdonii was determined. The circle genome with the 17,239 bp total length contained 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal ... 535 Cheng Chao - - 2013 Membranes composed of multilayer poly(4-styrenesulfonate) (PSS)/protonated poly(allylamine) (PAH) films on porous alumina supports exhibit high monovalent/divalent cation selectivities. Remarkably, the diffusion dialysis K+/Mg2+ selectivity is >350. However, in nanofiltration this selectivity is only 16, suggesting some convective ion transport through film imperfections. Under MgCl2 concentration gradients across either (PSS/PAH)4- or ... 536 Shimabukuro-Vornhagen Alexander - - 2013 Allogeneic hematopoietic stem cell transplantation and solid organ transplantation have become established treatments offered to patients for whom there are otherwise no curative treatment options. Unfortunately, these therapeutic modalities are associated with severe complications that limit its applicability. Alloimmunity is an important cause of morbidity and mortality after both organ ... 537 Amrani Jacob - - 2013 OBJECTIVES: Electrical spinal cord stimulators are routinely used in the thoracic spine for back and lower extremity pain. The anatomy of the cervical spine differs significantly from that of the thoracic spine and deserves special considerations if these implants are to be inserted safely in the neck. This paper explores ... 538 Shortt J - - 2013 Thalidomide and its analogues (lenalidomide and pomalidomide) are small molecule glutamic acid derivatives of the immunomodulatory drug (IMiD) class. In addition to the immuno-adjuvant and anti-inflammatory properties that define an IMiD, the thalidomide analogues demonstrate an overlapping and diverse range of biological activities, including anti-angiogenic, teratogenic and epigenetic effects. Importantly, ... 539 Almeyda Robert - - 2013 OBJECTIVES/HYPOTHESIS: To assess the survival of full-thickness skin grafts and perichondrial cutaneous grafts when placed on subcutaneous soft tissue flaps used in nasal reconstruction. STUDY DESIGN: Retrospective case series from a secondary-care cutaneous cancer practice. METHODS: Twenty-eight patients with nasal defects secondary to basal cell carcinoma excision were included. Clinical ... 540 Dedecker Peter - - 2013 In this Perspective we discuss recent trends in the development and applications of fluorescent proteins. We start by providing a historical and structural perspective of spectroscopic and structural aspects, and describe how these properties have made fluorescent proteins essential as 'smart labels' for biosensing and advanced fluorescence imaging. We show ... 541 Babbo Gerianne - - 2013 The complexity of health care and the recommendation of the Institute of Medicine to increase the proportion of nurses with a baccalaureate degree to 80% by 2020 requires educators and other stakeholders to consider a range of structures for providing RN-to-BSN programs. Although there are relatively few RN-to-BSN programs offered ... 542 Daly T - - 2013 The modelling of tidal turbines and the hydrodynamic effects of tidal power extraction represents a relatively new challenge in the field of computational fluid dynamics. Many different methods of defining flow and boundary conditions have been postulated and examined to determine how accurately they replicate the many parameters associated with ... 543 Kaur Harmeet - - 2013 Abstract Background: The alarming increase in the prevalence of metabolic syndrome globally demands serious attention. Recently, we reported increased cellular dysfunction of subcutaneous adipose tissue and monocytes contributing to the insulin resistance and increased inflammation in nascent metabolic syndrome. The major circulating leukocyte is the neutrophil (polymorphonuclear neutrophil, PMN). The ... 544 Bamdad Fatemeh - - 2013 SCOPE: This study has revealed strong antioxidant activities of barley hordein hydrolysate fractions and investigated the relationships between antioxidant properties and structural features of hordein peptides. METHODS AND RESULTS: Barley hordein fractions separated based on molecular weight and surface hydrophobicity demonstrated strong antioxidant bioactivities, especially ferrous ion chelating capacity. Structural ... 545 Jung Jee Young - - 2013 BackgroundIsotropic three-dimensional (3D) magnetic resonance imaging (MRI) has been applied to various joints. However, comparison for image quality between isotropic 3D MRI and two-dimensional (2D) turbo spin echo (TSE) sequence of the wrist at a 3T MR system has not been investigated.PurposeTo compare the image quality of isotropic 3D MRI ... 546 Stute Silvio - - 2013 The 5,10,15,20-tetraphenyl-21-oxaporphyrin complexes of Mn(II), Co(II), and Zn(II) have been crystallized and studied by X-ray diffraction, NMR and UV/vis spectroscopy, and mass spectrometry as well as cyclic voltammetry. The X-ray structure of the earlier described Cu(II) complex is also reported. All complex structures possess a five-coordinate, approximately square-pyramidal geometry with ... 547 Kerasnoudis Antonios - - 2013 BACKGROUND AND PURPOSE: The detection of microembolic signals in transcranial-Doppler monitoring is associated with a higher stroke risk. We investigated the correlation between the frequency of microembolic signals and the efficacy of the antiplatelet therapy in patients with a recent symptomatic carotid-artery stenosis. SUBJECTS AND METHODS: Thirty-two patients (mean age: ... 548 Foley Louise S - - 2013 OBJECTIVE:Presleep activities have been implicated in the declining sleep duration of young people. A use-of-time approach may be used to describe the presleep period. The study aims were to describe the activities undertaken 90 minutes before sleep onset and to examine the association between activities and time of sleep onset ... 549 Weingarten-Gabbay S - - 2013 Translational regulation of the p53 mRNA can determine the ratio between p53 and its N-terminal truncated isoforms and therefore has a significant role in determining p53-regulated signaling pathways. Although its importance in cell fate decisions has been demonstrated repeatedly, little is known about the regulatory mechanisms that determine this ratio. ... 550 Brouxhon S M - - 2013 E-cadherin, a cell-cell adhesion glycoprotein, is frequently downregulated with tumorigenic progression. The extracellular domain of E-cadherin is cleaved by proteases to generate a soluble ectodomain fragment, termed sEcad, which is elevated in the urine or serum of cancer patients. In this study, we explored the functional role of sEcad in ... < 6 7 8 9 10 11 12 13 14 15 16 >