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Showing 1 to 12 of 762 entries
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The September epidemic of asthma exacerbations in children: a search for etiology

after-school settings

Johnston SL.
GSID: w3jKw1GG6IQJ
NW Johnston, SL Johnston, JM Duncan… - Journal of Allergy and …, 2005 - Elsevier

… We wished to determine whether asthmatic children requiring emergency department treatment for exacerbations after school return in September were more likely to have respiratory viruses present and less likely to have prescriptions for control medications than children with...

The September epidemic of asthma hospitalization: school children as disease vectors

after-school settings

Johnston SL, Norman GR.
GSID: 5zwNtvtUCQAJ
NW Johnston, SL Johnston, GR Norman, J Dai… - Journal of Allergy and …, 2006 - Elsevier

Background Viral infections are associated with the majority of asthma exacerbations in children and adults. Increased asthma hospitalization rates of children and adults …

Girls' experiences in a positive youth development sport program: developing a participant-centered space

after-school settings

Johnston KC, Marttinen R.
GSID: dhsXIdGfbeoJ
KC Johnston, R Marttinen, RN Frederick III… - Journal of Youth …, 2019 - jyd.pitt.edu

School-age youth of low-income, urban communities frequently experience systemic inequities, such as limited access to healthy foods, lack of space for physical activity, higher …

Data information literacy: Librarians, data, and the education of a new generation of researchers

Asset based approaches STEM training

Carlson J, Johnston L.
GSID: WwQTUra-Ii0J
J Carlson, L Johnston - 2015 - library.oapen.org

… To further this goal, we share our findings and our experiences from a practical approach, in ways that will enable librarians and other information professionals to build on our work and …

Modeling nanoscale inhomogeneities for quantitative HAADF STEM imaging.

Physical review letters

Aveyard R, Ferrando R, Johnston RL, Yuan J.
PMID: 25170712
Phys Rev Lett. 2014 Aug 15;113(7):075501. doi: 10.1103/PhysRevLett.113.075501. Epub 2014 Aug 13.

High-angle annular dark-field scanning transmission electron microscopy in conjunction with image simulation is an important tool to determine the structure of nanomaterials. We show that molecular dynamics calculations can be combined with multislice image simulations to account for the...

Phase behaviour of self-assembled monolayers controlled by tuning physisorbed and chemisorbed states: A lattice-model view.

The Journal of chemical physics

Fortuna S, Cheung DL, Johnston K.
PMID: 27059585
J Chem Phys. 2016 Apr 07;144(13):134707. doi: 10.1063/1.4944936.

The self-assembly of molecules on surfaces into 2D structures is important for the bottom-up fabrication of functional nanomaterials, and the self-assembled structure depends on the interplay between molecule-molecule interactions and molecule-surface interactions. Halogenated benzene derivatives on platinum have been...

Temporomandibular joint effusion and its relationship with perceived disability assessed using musculoskeletal ultrasound and a patient-reported disability index.

Ultrasound (Leeds, England)

Johnston K, Bird L, Bright P.
PMID: 27433242
Ultrasound. 2015 May;23(2):90-6. doi: 10.1177/1742271X14568608. Epub 2015 Feb 05.

The relationship between effusion of the temporomandibular joint (TMJ) and patient-reported disability is poorly researched. This pilot study explored the link between TMJ inflammation as measured by ultrasound and patient disability assessed by the Steigerwald Maher TMD Disability Index...

Development of an Ad5H3 Chimera Using the "Antigen Capsid-Incorporation" Strategy for an Alternative Vaccination Approach.

The open virology journal

Gu L, Icyuz M, Krendelchtchikova V, Krendelchtchikov A, Johnston AE, Matthews QL.
PMID: 27335626
Open Virol J. 2016 Apr 26;10:10-20. doi: 10.2174/1874357901610010010. eCollection 2016.

BACKGROUND: Adenovirus type 5 (Ad5) achieved success as a conventional transgene vaccine vector in preclinical trials, however; achieved poor efficiency in some of the clinical trials, due to the major hurdle associated with Ad5 pre-existing immunity (PEI) in the...

Quantification of intracellular payload release from polymersome nanoparticles.

Scientific reports

Scarpa E, Bailey JL, Janeczek AA, Stumpf PS, Johnston AH, Oreffo RO, Woo YL, Cheong YC, Evans ND, Newman TA.
PMID: 27404770
Sci Rep. 2016 Jul 11;6:29460. doi: 10.1038/srep29460.

Polymersome nanoparticles (PMs) are attractive candidates for spatio-temporal controlled delivery of therapeutic agents. Although many studies have addressed cellular uptake of solid nanoparticles, there is very little data available on intracellular release of molecules encapsulated in membranous carriers, such...

Structures and Energy Landscapes of Hydrated Sulfate Clusters.

Journal of chemical theory and computation

Smeeton LC, Farrell JD, Oakley MT, Wales DJ, Johnston RL.
PMID: 26574432
J Chem Theory Comput. 2015 May 12;11(5):2377-84. doi: 10.1021/acs.jctc.5b00151. Epub 2015 Apr 10.

The sulfate ion is the most kosmotropic member of the Hofmeister series, but the chemical origins of this effect are unclear. We present a global optimization and energy landscape mapping study of microhydrated sulfate ions, SO4(2-)(H2O)n, in the size...

Visualizing energy landscapes with metric disconnectivity graphs.

Journal of computational chemistry

Smeeton LC, Oakley MT, Johnston RL.
PMID: 24866379
J Comput Chem. 2014 Jul 30;35(20):1481-90. doi: 10.1002/jcc.23643. Epub 2014 May 28.

The visualization of multidimensional energy landscapes is important, providing insight into the kinetics and thermodynamics of a system, as well the range of structures a system can adopt. It is, however, highly nontrivial, with the number of dimensions required...

A DFT study of oxygen dissociation on platinum based nanoparticles.

Nanoscale

Jennings PC, Aleksandrov HA, Neyman KM, Johnston RL.
PMID: 24296728
Nanoscale. 2014 Jan 21;6(2):1153-1165. doi: 10.1039/c3nr04750d.

Density functional theory calculations are performed on 38 and 79 metal atom truncated octahedron clusters to study oxygen dissociation as a model for the initial stage of the oxygen reduction reaction. Pure platinum and alloyed platinum-titanium core-shell systems are...

Showing 1 to 12 of 762 entries