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Showing 1 to 12 of 173 entries
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B'More Healthy Communities for Kids: design of a multi-level intervention for obesity prevention for low-income African American children

Science interventions

Gittelsohn J, Mui Y, Steeves EA.
GSID: cXkRXPSSGnYJ
J Gittelsohn, EA Steeves, Y Mui… - BMC public …, 2014 - bmcpublichealth.biomedcentral.com

Childhood obesity rates in the US have reached epidemic proportions, and an urgent need remains to identify evidence-based strategies for prevention and treatment. Multi-level, multi …

Digital polarization holography advancing geometrical phase optics.

Optics express

De Sio L, Roberts DE, Liao Z, Nersisyan S, Uskova O, Wickboldt L, Tabiryan N, Steeves DM, Kimball BR.
PMID: 27505793
Opt Express. 2016 Aug 08;24(16):18297-306. doi: 10.1364/OE.24.018297.

Geometrical phase or the fourth generation (4G) optics enables realization of optical components (lenses, prisms, gratings, spiral phase plates, etc.) by patterning the optical axis orientation in the plane of thin anisotropic films. Such components exhibit near 100% diffraction...

Daily Patterns of Physical Activity by Type 2 Diabetes Definition: Comparing Diabetes, Prediabetes, and Participants with Normal Glucose Levels in NHANES 2003-2006.

Preventive medicine reports

Steeves JA, Murphy RA, Crainiceanu CM, Zipunnikov V, Van Domelen DR, Harris TB.
PMID: 25909051
Prev Med Rep. 2015;2:152-157. doi: 10.1016/j.pmedr.2015.02.007.

OBJECTIVE: Diabetes is associated with low levels of physical activity (PA), but detailed objective information about how PA patterns vary by diabetes definition is lacking.METHODS: PA was measured with Actigraph accelerometers in older (60+) adults from the 2003-2006 National...

Photothermal Nanoparticle Initiation Enables Radical Polymerization and Yields Unique, Uniform Microfibers with Broad Spectrum Light.

ACS applied materials & interfaces

Steinhardt RC, Steeves TM, Wallace BM, Moser B, Fishman DA, Esser-Kahn AP.
PMID: 29040810
ACS Appl Mater Interfaces. 2017 Nov 08;9(44):39034-39039. doi: 10.1021/acsami.7b12230. Epub 2017 Oct 24.

Photothermal processes are utilized across a variety of fields, from separations to medicine, and are an area of active research. Herein, the action of a solar simulator upon carbon black nanoparticles is shown to result in photothermally initiated chain-growth...

Millimeter-wave-detected, millimeter-wave optical polarization spectroscopy.

The Journal of chemical physics

Steeves AH, Bechtel HA, Coy SL, Field RW.
PMID: 16238366
J Chem Phys. 2005 Oct 08;123(14):141102. doi: 10.1063/1.2069865.

We report a new form of microwave optical double-resonance spectroscopy called millimeter-wave-detected, millimeter-wave optical polarization spectroscopy (mmOPS). In contrast to other forms of polarization spectroscopy, in which the polarization rotation of optical beams is detected, the mmOPS technique is...

A Mach-Zehnder interferometer for the detection and noninvasive optical amplification of polarization rotation.

The Review of scientific instruments

LaForge JM, Steeves GM.
PMID: 18601396
Rev Sci Instrum. 2008 Jun;79(6):063106. doi: 10.1063/1.2948309.

We present the theory and design of a Mach-Zehnder interferometer with orthogonally polarized arms that passively, noninvasively, optically amplifies polarization rotation in one arm of the interferometer. Theoretical analysis of the electric fields in the two arms is used...

THE PRODUCTION OF TUMOROUS ABNORMALITIES IN FERN PROTHALLI BY IONIZING RADIATIONS.

Proceedings of the National Academy of Sciences of the United States of America

Partanen CR, Steeves TA.
PMID: 16589972
Proc Natl Acad Sci U S A. 1956 Dec;42(12):906-9. doi: 10.1073/pnas.42.12.906.

No abstract available.

Optical switching of liquid-crystal polarization gratings with nanosecond pulses.

Optics letters

Hrozhyk U, Nersisyan S, Serak S, Tabiryan N, Hoke L, Steeves DM, Kimball BR.
PMID: 19724487
Opt Lett. 2009 Sep 01;34(17):2554-6. doi: 10.1364/OL.34.002554.

Optical switching with single nanosecond laser pulses of 532 nm wavelength is reported using high-efficiency optical axis gratings made with a nematic liquid crystal doped with an azobenzene dye. The azobenzene dye we have synthesized exhibits enhanced photosensitivity at...

Encapsulation of zinc oxide nanorods and nanoparticles.

Langmuir : the ACS journal of surfaces and colloids

Singh J, Im J, Whitten JE, Soares JW, Steeves DM.
PMID: 19705890
Langmuir. 2009 Sep 01;25(17):9947-53. doi: 10.1021/la9010983.

A simple method for encapsulating zinc oxide nanoparticles within an organic matrix is described that consists of dispersing them in an ethanolic solution, adding an organothiol, and stirring while heating. Electron microscopy, photoemission, Raman spectroscopy, and thermal gravimetric analyses...

Observation of nonlinear transmission enhancement in cavities filled with nonlinear organic materials.

Applied optics

Nguyen DT, Sheng C, Thomas J, Norwood R, Kimball B, Steeves DM, Peyghambarian N.
PMID: 19122719
Appl Opt. 2008 Nov 01;47(31):5777-83. doi: 10.1364/ao.47.005777.

We show experimental and theoretical results for enhancement of nonlinear transmission (NT) in moderate finesse cavities filled with nonlinear organic materials (NLOM). Our design for enhancement of nonlinear transmission using micro NLOM cavities compared with reference samples of the...

Double Congenital Ptosis; Motais' Operation on Right Eye.

Proceedings of the Royal Society of Medicine

Greeves RA.
PMID: 19982514
Proc R Soc Med. 1922;15:16.

No abstract available.

Defective Movements of the Left Eye.

Proceedings of the Royal Society of Medicine

Greeves RA.
PMID: 19991320
Proc R Soc Med. 1937 Dec;31(2):125.

No abstract available.

Showing 1 to 12 of 173 entries