PubMed Journal Database - Page: 5 
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Showing PubMed Articles 101–125 of 12,000+
To evaluate the feasibility of implementing a pulse oximetry screening protocol at a city of mild elevation with a specific focus on the false-positive screening rate. Pulse oximetry screening was performed according to the proposed guidelines endorsed by the American Academy of Pediatrics at a center in Tucson, AZ, at an elevation of 2,643 ft (806 m). During a 10-month period in 2012, 1069 full-term asymptomatic newborns were screened ≥24 h after birth. The mean preductal oxygen saturation was 98.5 Â...
Three-dimensional echocardiography (3DE), a novel approach employed in detecting congenital heart disease (CHD), has gained popularity since it was made commercially available in 2002. This modality is now accepted as an important diagnostic tool for diagnosing CHD. Advancement in transducer technologies and digital data processing allows the use of 3DE in daily clinical practice. In this review, modes of 3DE data acquisition and storage methods in the echocardiogram's machine's hard disk (data processing)...
Folate forever- all methyl group donations welcome!
Flu-like Symptoms and Associated Immunological Response Following Therapy with Botulinum Toxins.
We aimed to define the frequency and risk factors associated with flu-like symptoms (FLS) and other systemic symptoms following treatment with botulinum toxins (BoNT) and correlate them with the immunological response as determined by blood cytokines. The study involved prospective clinical and serological evaluation for cytokine analysis in patients receiving BoNT for movement disorders. We interviewed 218 patients about FLS following BoNT injections and prospectively studied 117 patients (females 67.5Â %;...
Chronic thromboembolic pulmonary hypertension (CTEPH) and idiopathic pulmonary hypertension (IPAH) share a similar clinical presentation, and a differential diagnosis requires a thorough workup. Once CTEPH is confirmed, patients who can be safely operated have to be identified. We investigated risk factors associated with CTEPH and IPAH, and the criteria for the selection of operable CTEPH patients. This case-control study included 436 consecutive patients with CTEPH and 158 with IPAH in eight European cent...
OBJECTIVE: This study examined clinical, functional, and occupational factors associated with return to work within 18 months after stroke, specifically focusing on the impact of higher cortical dysfunction on return to work in the chronic phase. METHODS: This prospective cohort study in 21 hospitals specializing in clinical and occupational health recruited consecutive working-age inpatients receiving acute care for their first stroke (n = 351). A unified database was used to extract patient information...
Group-selective magnetic molecularly imprinted polymers (MMIPs) that can extract four widely used sulfonamide antibiotics and their acetylated metabolites from environmental water were synthesized in this study. The MMIPs with saturation magnetization value of 16.7Â emu g(-1) could be separated from the environmental water samples easily by the application of an adscititious magnetic field, reducing the time consumption of pretreatment. The extraction conditions were evaluated, and optimal extraction condit...
To minimize interspecific pollination, it has been suggested that pollen is placed on different parts of a pollinator's body corresponding to the conspecific location of pollen pickup by the stigma. Although Pedicularis is regarded as a classic example of pollinator-mediated floral isolation, such reciprocal pollen placement has not been demonstrated experimentally. This leads us to question previous observations of pollen release in Pedicularis species. Here, we show that pollen grains are released from th...
AIM: To compare attitudes of Saudi medical students and Saudi cancer patients towards disclosure of cancer information and to examine whether differences exist between students and patients, level of education or gender and region of residence. METHODS: Data were collected from 384 students and 368 patients using a nine-question questionnaire on attitudes to cancer. RESULTS: Almost all patients (98%) wanted to receive all the information should they get cancer compared with 93% of students (P = 0.001) a...
Invasive systemic fungal infections are a major cause of morbidity and mortality in patients after hematopoietic stem cell transplantation. We report the case of a fatal infection with Hormographiella aspergillata in a patient undergoing allogenic peripheral blood stem cell transplantation for acute myeloid leukaemia.
First-principles study of the structure and band structure of Ga2Se3.
Our first-principles calculations show that the ordering of stoichiometric cation vacancies in Ga2Se3 has a large influence on the bandgap, up to 0.55 eV. Therein, the zigzag-line vacancy-ordered Ga2Se3 has the maximum bandgap (∼2.56 eV direct bandgap), and the straight-line vacancy-ordered Ga2Se3 has the minimum bandgap (∼1.99 eV indirect bandgap) at 0 K, according to scGW calculations. The bandgap difference (0.55 eV) is almost the same for normal density functional theory (DFT) calculations, hyb...
Invasive pneumococcal disease (IPD) has a high mortality. Although preventive strategies including vaccination have been established for children, less attention has been devoted to pregnant and postnatal women and to mothers caring for their infants. As a significant number of women have either undergone splenectomy or are in a hyposplenic state and have not received adequate pneumococcal vaccinations, they can potentially develop overwhelming postsplenectomy infections. A 34-year-old woman with an 8-month...
Fabrication of (001)-oriented monoclinic WO3 films on FTO substrates.
(001)-oriented monoclinic nanorod and microplate WO3 films are fabricated on commercial FTO-coated glass substrates by a rubbing seed layer and a spin-coating seed layer assisted by hydrothermal reactions. The nanorod film obtained by the rubbing seed layer assisted by hydrothermal reactions is more regular and perpendicular to the substrate.
The full-field thickness distribution, three-dimensional surface model and general morphological data of six human tympanic membranes are presented. Cross-sectional images were taken perpendicular through the membranes using a high-resolution optical coherence tomography setup. Five normal membranes and one membrane containing a pathological site are included in this study. The thickness varies strongly across each membrane, and a great deal of inter-specimen variability can be seen in the measurement resul...
The loading of the anterior and posterior cruciate ligaments (ACL and PCL) during normal gait has not been quantified. Also, it is not clear whether ligaments under "static" physiological loads commonly used in cadaveric studies behave similarly to normal gait experienced in vivo. We measured the in vivo kinematics of the stifle joint of sheep (NÂ =Â 4) during "normal gait," then reproduced these gait paths using a robotic system. The loads borne by the cruciate ligaments were determined using the principle...
Young men who have sex with men (YMSM) are disproportionately infected with HIV/AIDS and there are few prevention programs with published efficacy for this population. This study evaluated the feasibility, acceptability, and preliminary efficacy of an online, interactive, and highly engaging HIV prevention program called Keep It Up! The intervention was designed to be delivered to diverse YMSM upon receiving an HIV negative text result, with the goal for them to "Keep It Up" and stay negative. In a randomiz...
Females as intraguild predators of males in cross-pairing experiments with phytoseiid mites.
Studies on intraguild interactions between phytoseiid species have shown that intraguild predation occurs and is most commonly manifested as adult females of one species feeding on juveniles of another. Whether such intraguild interactions can also occur between adult females of one species and adult males of another, is not known. Herein, we report on intraguild interactions between adults of the two sexes in cross-pairing experiments involving three related phytoseiid species (Neoseiulus paspalivorus, N....
Fluorescent-Based Methods for Gene Knockdown and Functional Cardiac Imaging in Zebrafish.
A notable advantage of zebrafish as a model organism is the ease of gene knockdown using morpholino antisense oligonucleotide (MO). However, zebrafish morphants injected with MO for a target protein often show heterogeneous phenotypes, despite controlling the injection volume of the MO solution in all embryos. We developed a method for estimating the quantity of MO injected into each living morphant, based on the co-injection of a control MO labeled with the fluorophore lissamine. By applying this method fo...
Five new sesquiterpene lactones from Inula hupehensis.
Four new pseudoguaianolides (1-4), one new guaianolide (5), together with ten known compounds (6-15) were isolated from the aerial parts of Inula hupehensis. Their structures were elucidated mainly on the basis of 1D and 2D spectroscopic methods and circular dichroism analysis. In addition, compounds 1-10 and 13 were tested for their inhibitory effects against LPS-induced NO production in RAW264.7 macrophages. Compounds 2, 6, 8 and 9 exhibited significant inhibitory activities with IC50 values in the range...
Fabrication of optical chemical ammonia sensors using anodized alumina supports and sol-gel method.
In this comparative study, the fabrication and the sensing properties of various reflectometric optical ammonia gas sensors are described. In the first set of experiments the role of the support material was investigated on four different sensor membranes. Two of them were prepared by the adsorption of bromocresol green indicator on anodized aluminum plates. The applied anodizing voltages were 12V and 24V, which resulted in different dynamic ranges and response times for gaseous ammonia. The sol-gel method...
Ferrofluid-based dispersive solid phase extraction of palladium.
A new mode of dispersive solid phase extraction based on ferrofluid has been developed. In this method, an appropriate amount of ferrofluid is injected rapidly into the aqueous sample by a syringe. Since the sorbent is highly dispersed in the aqueous phase, extraction can be achieved within a few seconds. The ferrofluid can be attracted by a magnet and no centrifugation step is needed for phase separation. Palladium was used as a model compound in the development and evaluation of the extraction procedure i...
In this study, a magnetic microsphere-confined graphene (Fe3O4@SiO2-G) was prepared as a novel adsorbent for the preconcentration of some phthalate esters in environmental water and soybean milk samples prior to high performance liquid chromatography analysis. The properties and morphology of the Fe3O4@SiO2-G were characterized by transmission electron microscopy and X-ray diffraction. This novel graphene-based magnetic nanocomposite showed great adsorptive ability toward the analytes. The method, which tak...
Field application of a biofilm reactor based BOD prototype in Taihu Lake, China.
A tubular biofilm reactor (BFR) based online biochemical oxygen demand prototype was applied in Taihu Lake, China. Municipal tap water was used instead of conventional phosphate buffer as blank solution to avoid phosphate pollution. The background organic compounds in municipal tap water were taken into account and they were validated to result in negative deviation to accuracy. The microbial endogenous respiration was experimentally validated to be sensitive to salt ionic strength, and municipal tap water...
Focused ultrasound solid-liquid extraction of perfluorinated compounds from sewage sludge.
A method for the determination of perfluorocarboxylic acids (PFCAs) and perfluorooctanesulfonic acid (PFOS) in sewage sludge based on focused ultrasound solid-liquid extraction (FUSLE) and reverse-phase ultra-performance liquid chromatography (UPLC) coupled to quadrupole-time of flight mass spectrometry (QTOFMS) has been developed. FUSLE is a fast, low-cost and efficient extraction technique based on the application of high power focused ultrasonic waves using a micro-tip immersed directly in the extraction...
