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https://www.readbyqxmd.com/read/28749159/hierarchical-exploratory-factor-analyses-of-the-woodcock-johnson-iv-full-test-battery-implications-for-chc-application-in-school-psychology
#1
Stefan C Dombrowski, Ryan J McGill, Gary L Canivez
The Woodcock-Johnson (fourth edition; WJ IV; Schrank, McGrew, & Mather, 2014a) was recently redeveloped and retains its linkage to Cattell-Horn-Carroll theory (CHC). Independent reviews (e.g., Canivez, 2017) and investigations (Dombrowski, McGill, & Canivez, 2017) of the structure of the WJ IV full test battery and WJ IV Cognitive have suggested the need for additional factor analytic exploration. Accordingly, the present study used principal axis factoring (PAF) followed by the Schmid and Leiman (SL; Schmid & Leiman, 1957) procedure with the 2 school-aged correlation matrices from the normative sample to determine the degree to which the WJ IV total battery structure could be replicated...
July 27, 2017: School Psychology Quarterly
https://www.readbyqxmd.com/read/28747656/modification-of-the-contact-surfaces-for-improving-the-puncture-resistance-of-laminar-structures
#2
Pengfei Wang, Jinglei Yang, Xin Li, Mao Liu, Xin Zhang, Dawei Sun, Chenlu Bao, Guangfa Gao, Mohd Yazid Yahya, Songlin Xu
Uncovering energy absorption and surface effects of various penetrating velocities on laminar structures is essential for designing protective structures. In this study, both quasi-static and dynamic penetration tests were systematical conducted on the front surfaces of metal sheets coated with a graphene oxide (GO) solution and other media. The addition of a GO fluid film to the front impact surface aided in increasing the penetration strength, improving the failure extension and dissipating additional energy under a wide-range of indentation velocity, from 3...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28736743/oncolytic-adenovirus-loaded-menstrual-blood-stem-cells-overcome-the-blockade-of-viral-activity-exerted-by-ovarian-cancer-ascites
#3
Ana Laura Alfano, Alejandro Nicola Candia, Nicasio Cuneo, Leandro N Guttlein, Alejandro Soderini, Cecilia Rotondaro, Leonardo Sganga, Osvaldo L Podhajcer, M Veronica Lopez
Patients with ovarian cancer present peritoneal ascites at recurrence as a marker of disseminated disease and dismal prognosis. Oncolytic immunotherapy is an emerging approach for the treatment of disseminated cancer. In the present work, we constructed a novel oncolytic adenovirus, AR2011, to target malignant ovarian tumors. AR2011 exhibited a clear lytic effect in vitro in human ovarian cancer cell lines and malignant cells obtained from ascitic fluids (AFs) of patients with ovarian cancer. AR2011 activity was neutralized by antibodies present in 31 samples of patient-derived AFs...
September 15, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28732042/numerical-study-on-the-lubrication-performance-of-compression-ring-cylinder-liner-system-with-spherical-dimples
#4
Cheng Liu, Yan-Jun Lu, Yong-Fang Zhang, Sha Li, Norbert Müller
The effects of surface texture on the lubrication performance of a compression ring-cylinder liner system are studied in this paper. By considering the surface roughness of the compression ring and cylinder liner, a mixed lubrication model is presented to investigate the tribological behaviors of a barrel-shaped compression ring-cylinder liner system with spherical dimples on the liner. In order to determine the rupture and reformulation positions of fluid film accurately, the Jacoboson-Floberg-Olsson (JFO) cavitation boundary condition is applied to the mixed lubrication model for ensuring the mass-conservative law...
2017: PloS One
https://www.readbyqxmd.com/read/28728978/anticancer-drug-loaded-quantum-dots-engineered-polymeric-nanoparticles-diagnosis-therapy-combined-approach
#5
D Belletti, G Riva, M Luppi, G Tosi, F Forni, M A Vandelli, B Ruozi, F Pederzoli
Primary Effusion Lymphoma (PEL) is an HHV-8-related non Hodgkin lymphoma localized in body cavities (as pleural, peritoneal and pericardial) presenting lymphomatous effusion that, until now, lack of an effective therapy. Curcumin was reported to display pro-apoptotic effect via the inhibition of the JAK/STAT pathway, that is overexpressed in PEL cells, as consequence of virus infection. The administration of curcumin is severely restricted by its physicochemical properties, mainly its low solubility in biological fluid and consequently low bioavailability...
July 18, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28725594/weekly-ascorbic-acid-infusion-in-castration-resistant-prostate-cancer-patients-a-single-arm-phase-ii-trial
#6
Torben K Nielsen, Martin Højgaard, Jon T Andersen, Niklas Rye Jørgensen, Bo Zerahn, Bent Kristensen, Trine Henriksen, Jens Lykkesfeldt, Kári J Mikines, Henrik E Poulsen
BACKGROUND: Ascorbic acid (AA) has in vivo cytotoxic properties at concentrations that can only be achieved through intravenous (IV) administration in humans. Treatment with intravenous AA is widely and increasingly used in complementary medicine despite a lack of clinical evidence for the efficacy of this treatment. METHODS: This non-comparative, single-center, phase II trial included patients with chemotherapy-naïve, metastatic castration-resistant prostate cancer (mCRPC) from an outpatient clinic to evaluate the efficacy and safety of IV AA therapy...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28724376/sonication-contribution-to-identifying-prosthetic-joint-infection-with-ralstonia-pickettii-a-case-report-and-review-of-the-literature
#7
Rares Mircea Birlutiu, Mihai Dan Roman, Razvan Silviu Cismasiu, Sorin Radu Fleaca, Crina Maria Popa, Manuela Mihalache, Victoria Birlutiu
BACKGROUND: In the context of an increase number of primary and revision total hip and total knee arthroplasty performed yearly, an increased risk of complication is expected. Prosthetic joint infection (PJI) remains the most common and feared arthroplasty complication. Ralstonia pickettii is a Gram-negative bacterium, that has also been identified in biofilms. It remains an extremely rare cause of PJI. There is no report of an identification of R. pickettii on an extracted spacer loaded with antibiotic...
July 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28723139/sensitive-cytokine-assay-based-on-optical-fiber-allowing-localized-and-spatially-resolved-detection-of-interleukin-6
#8
Guozhen Liu, Kaixin Zhang, Annemarie Nadort, Mark R Hutchinson, Ewa M Goldys
We demonstrated a cytokine detection device based on gold nanoparticle modified silica optical fiber for the monitoring of locally variable cytokine interleukin-6 (IL-6) concentrations using a sandwich immunoassay scheme. The fiber is designed to be introduced into an intrathecal catheter with micrometer-sized holes drilled along its length to enable fluid exchange between the outside and inside of the catheter. An exposed optical fiber (diameter 125 μm) modified with a layer of gold nanoparticles was functionalized with the IL-6 capture antibody to form the sensing interface...
February 24, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28720963/releasing-characteristics-of-anthocyanins-extract-in-pectin-whey-protein-complex-microcapsules-coated-with-zein
#9
Arranee Chotiko, Subramaniam Sathivel
This study investigated pectin-based capsules as delivery systems for purple rice bran anthocyanin extract (AE) during exposure to simulated gastrointestinal conditions. Four different capsules loaded with AE were prepared by ionotropic gelation/extrusion, including (1) pectin capsules (PE), (2) pectin capsules coated with zein (PE/ZE), (3) pectin-whey protein isolate complex capsules (PE + WP), and (4) pectin-whey protein isolate complex capsules coated with zein (PE + WP/ZE). CaCl2 in an ethanol solution with or without zein was used as a crosslinking solution...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28719787/in-vivo-performance-of-a-novel-anatomically-shaped-total-meniscal-prosthesis-made-of-polycarbonate-urethane-a-12-month-evaluation-in-goats
#10
Anne C T Vrancken, Gerjon Hannink, Wojciech Madej, Nico Verdonschot, Tony G van Tienen, Pieter Buma
BACKGROUND: Injury or loss of the meniscus generally leads to degenerative osteoarthritic changes in the knee joint. However, the treatment options for symptomatic patients with total meniscectomy are limited. Therefore, we developed a novel, anatomically shaped, total meniscal implant made of polycarbonate urethane. PURPOSE: To evaluate the in vivo performance of this novel total meniscal implant. The assessment particularly focused on the implant's response to long-term physiological loading in a goat model and its chondroprotective capacity in comparison to clinically relevant controls...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28718069/neurological-involvement-in-patients-with-acute-recent-hiv-1-infection-a-case-control-study
#11
Juan Ambrosioni, Francisca Artigues, David Nicolás, Judit Peñafiel, Fernando Agüero, Christian Manzardo, María Mar Mosquera, Sonsoles Sánchez-Palomino, Elisa De Lazzari, María A Marcos, Montserrat Plana, José M Miró
Primary HIV-1 infection is a relevant period for its virological and epidemiological consequences. Most patients present a symptomatic disease that can be potentially serious, but neurological involvement during primary HIV-1 infection has been poorly studied. The aim of this study was to describe the characteristics and outcomes of primary HIV-1 infection patients presenting neurological symptoms and to compare them with primary HIV-1 infection patients without neurological involvement. Retrospective case-control study (1:3) comparing primary HIV-1 infection patients with and without neurological involvement enrolled in the Acute/Recent Hospital Clinic PHI Cohort between 1997 and 2016...
July 17, 2017: Journal of Neurovirology
https://www.readbyqxmd.com/read/28717995/ovomucin-nanoparticles-promising-carriers-for-mucosal-delivery-of-drugs-and-bioactive-compounds
#12
Ali Akbari, Jianping Wu
Ovomucin, with a similar structure to mucin and gelation ability at room temperature, is a potential mucosal carrier. To evaluate this potential, the mucoadhesive property of ovomucin was studied by the tensile strength and rheology methods, and compared with three known mucoadhesive polymers, chitosan, polyacrylic acid (PAA), and alginate. Ovomucin particles were basically spherical in shape with an average size of ~572, 235 and 54 nm prepared at pH 5, 6.5, and 9, respectively. The absolute value of the zeta potential increased from ~ -51 mV at pH 5 to ~ -59 and -91 mV at pH 6...
August 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28712550/towards-an-automatic-lab-on-valve-ion-mobility-spectrometric-system-for-detection-of-cocaine-abuse
#13
David J Cocovi-Solberg, Francesc A Esteve-Turrillas, Sergio Armenta, Miguel de la Guardia, Manuel Miró
A lab-on-valve miniaturized system integrating on-line disposable micro-solid phase extraction has been interfaced with ion mobility spectrometry for the accurate and sensitive determination of cocaine and ecgonine methyl ester in oral fluids. The method is based on the automatic loading of 500μL of oral fluid along with the retention of target analytes and matrix clean-up by mixed-mode cationic/reversed-phase solid phase beads, followed by elution with 100μL of 2-propanol containing (3% v/v) ammonia, which are online injected into the IMS...
June 30, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28708417/association-of-antibiotics-airway-microbiome-and-inflammation-in-infants-with-cystic-fibrosis
#14
Jessica E Pittman, Kristine M Wylie, Kathryn Akers, Gregory A Storch, Joseph Hatch, Jane Quante, Katherine B Frayman, Nadeene Clarke, Miriam Davis, Stephen M Stick, Graham L Hall, Gregory Montgomery, Sarath Ranganathan, Stephanie D Davis, Thomas W Ferkol
RATIONALE: The underlying defect in the cystic fibrosis (CF) airway leads to defective mucociliary clearance and impaired bacterial killing, resulting in endobronchial infection and inflammation that contributes to progressive lung disease. Little is known about the respiratory microbiota in the early CF airway and its relationship to inflammation. OBJECTIVES: To examine the bacterial microbiota and inflammatory profiles in bronchoalveolar lavage fluid and oropharyngeal secretions in infants with CF...
July 14, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28708257/aquaporin1-and-3-modification-as-a-result-of-chondrogenic-differentiation-of-human-mesenchymal-stem-cell
#15
Adriana Carol Eleonora Graziano, Rosanna Avola, Giovanna Pannuzzo, Venera Cardile
Chondrocytes are cells of articular cartilage particularly sensitive to water transport and ionic and osmotic changes from extracellular environment and responsible for the production of the synovial fluid. Aquaporins (AQPs) are a family of water and small solute transport channel proteins identified in several tissues, involved in physiological pathways and in manifold human diseases. In a recent period, AQP1 and 3 seem to have a role in metabolic water regulation in articular cartilage of load bearing joints...
July 14, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28701976/a-latent-factor-analysis-of-working-memory-measures-using-large-scale-data
#16
Otto Waris, Anna Soveri, Miikka Ahti, Russell C Hoffing, Daniel Ventus, Susanne M Jaeggi, Aaron R Seitz, Matti Laine
Working memory (WM) is a key cognitive system that is strongly related to other cognitive domains and relevant for everyday life. However, the structure of WM is yet to be determined. A number of WM models have been put forth especially by factor analytical studies. In broad terms, these models vary by their emphasis on WM contents (e.g., visuospatial, verbal) vs. WM processes (e.g., maintenance, updating) as critical, dissociable elements. Here we conducted confirmatory and exploratory factor analyses on a broad set of WM tasks, half of them numerical-verbal and half of them visuospatial, representing four commonly used task paradigms: simple span, complex span, running memory, and n-back...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28700642/bacterial-communities-found-in-placental-tissues-are-associated-with-severe-chorioamnionitis-and-adverse-birth-outcomes
#17
Ronan M Doyle, Kathryn Harris, Steve Kamiza, Ulla Harjunmaa, Ulla Ashorn, Minyanga Nkhoma, Kathryn G Dewey, Kenneth Maleta, Per Ashorn, Nigel Klein
Preterm birth is a major cause of neonatal mortality and morbidity worldwide. Bacterial infection and the subsequent inflammatory response are recognised as an important cause of preterm birth. It is hypothesised that these organisms ascend the cervical canal, colonise placental tissues, cause chorioamnionitis and in severe cases infect amniotic fluid and the foetus. However, the presence of bacteria within the intrauterine cavity does not always precede chorioamnionitis or preterm birth. Whereas previous studies observing the types of bacteria present have been limited in size and the specificity of a few predetermined organisms, in this study we characterised bacteria found in placental tissues from a cohort of 1391 women in rural Malawi using 16S ribosomal RNA gene sequencing...
2017: PloS One
https://www.readbyqxmd.com/read/28699245/effects-of-intranasally-dosed-posaconazole-on-fungal-load-and-biomarkers-in-aspergillus-fumigatus-infected-immunocompromised-mice
#18
Genki Kimura, Takahiro Nakaoki, Yuki Nishimoto, Yuto Suzuki, Garth Rapeport, Pete Strong, Kazuhiro Ito, Yasuo Kizawa
Although anti-fungal triazoles are dosed orally or systemically for Aspergillus fumigatus infection, systemic adverse events and limited exposure of the lung cavity would make a topical treatment for the lung an attractive option. In this study, we examined the effects of intranasally dosed posaconazole on survival rates and biomarkers in A. fumigatus (itraconazole susceptible: ATCC13073 [Af]; or resistant: NCPF7100 [AfR]) infected, temporarily neutropenic A/J mice. Once daily treatment produced a dose-dependent improvement of survival of Af-infected mice (ED50 : 0...
July 11, 2017: Mycoses
https://www.readbyqxmd.com/read/28697120/association-of-parasite-load-levels-in-amniotic-fluid-with-clinical-outcome-in-congenital-toxoplasmosis
#19
Lidia Yamamoto, Lília S Targa, Laura M Sumita, Paulo T Shimokawa, Jonatas C Rodrigues, Kelly A Kanunfre, Thelma S Okay
OBJECTIVE: To correlate neonatal and infant clinical outcome with parasite load in amniotic fluid (AF). METHODS: We conducted a retrospective cohort study of 122 children whose mothers had toxoplasmosis during pregnancy. The children were monitored from birth to 12 months old. Stored AF samples were obtained at maternal diagnosis and tested by quantitative polymerase chain reaction. Gestational age at maternal infection, quantitative polymerase chain reaction results, neonatal anti-Toxoplasma gondii immunoglobulin (Ig) M, and clinical outcome at 12 months were correlated...
August 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28694811/latent-cytomegalovirus-cmv-infection-does-not-detrimentally-alter-t-cell-responses-in-the-healthy-old-but-increased-latent-cmv-carriage-is-related-to-expanded-cmv-specific-t-cells
#20
Sarah E Jackson, George X Sedikides, Georgina Okecha, Emma L Poole, John H Sinclair, Mark R Wills
Human cytomegalovirus (HCMV) primary infection and periodic reactivation of latent virus is generally well controlled by T-cell responses in healthy people. In older donors, overt HCMV disease is not generally seen despite the association of HCMV infection with increased risk of mortality. However, increases in HCMV DNA in urine of older people suggest that, although the immune response retains functionality, immunomodulation of the immune response due to lifelong viral carriage may alter its efficacy. Viral transcription is limited during latency to a handful of viral genes and there is both an IFNγ and cellular IL-10 CD4(+) T-cell response to HCMV latency-associated proteins...
2017: Frontiers in Immunology
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