Výsledky vyhledávání - "R. A. Kimble"

Bone quality factor analysis: A new noninvasive technique for the measurement of bone density and bone strength

Autor: Roberto Pacifici, Andrew D. Dimarogonas, R B Kimble, S. Hasan Abbasi-Jahromi, Alicia Matayoshi

Publikováno v: Journal of Bone and Mineral Research. 11:594-599

The sensitivity of bone mineral density (BMD) as a predictor of fracture risk is limited by the fact that this index does not take into account the geometrical and material characteristics of bone. In contrast, both BMD and bone architecture influenc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ee270043fee574016145a55a81c0f18
https://doi.org/10.1002/jbmr.5650110507

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Dual-energy x-ray absorptiometry of the rat: Accuracy, precision, and measurement of bone loss

Autor: R B Kimble, Michael G. Griffin, Wendy Hopfer, Roberto Pacifici

Publikováno v: Journal of Bone and Mineral Research. 8:795-800

Dual-energy x-ray absorptiometry (DEXA) is now an established method of measuring bone mineral density (BMD) in humans. We have applied the technique to measuring BMD in the rat. The short-term precision of the technique was assessed by calculating t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0c813f689991c11880bed9a2a900a52
https://doi.org/10.1002/jbmr.5650080704

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Feedback and Brightest Cluster Galaxy Formation: ACS Observations of the Radio Galaxy TN J1338−1942 atz= 4.1

Publikováno v: The Astrophysical Journal. 630:68-81

We present deep optical imaging of the z=4.1 radio galaxy TN J1338--1942 obtained using the ACS on-board HST. The radio galaxy is known to reside within a large galaxy overdensity (both in physical extent and density contrast). There is good evidence

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bce84903ce9b1244ebf96ec5d59de81
https://doi.org/10.1086/431921

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The Luminosity Function of Early-Type Field Galaxies atz≈ 0.75

Publikováno v: The Astronomical Journal. 128:1990-2012

We measure the luminosity function of morphologically selected E/S0 galaxies from $z=0.5$ to $z=1.0$ using deep high resolution Advanced Camera for Surveys imaging data. Our analysis covers an area of $48\Box\arcmin$ (8$\times$ the area of the HDF-N)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c087a79307b7716726b9d366fbcdda2
https://doi.org/10.1086/424857

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Internal Color Properties of Resolved Spheroids in the DeepHubble Space TelescopeAdvanced Camera for Surveys Field of UGC 10214

Publikováno v: The Astrophysical Journal. 612:202-214

(Abridged) We study the internal color properties of a morphologically selected sample of spheroidal galaxies taken from HST/ACS ERO program of UGC 10214 (``The Tadpole''). By taking advantage of the unprecedented high resolution of the ACS in this v

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b1310844fa6fc5dba3238980d5c15c4
https://doi.org/10.1086/422568

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Faint Galaxies in Deep Advanced Camera for Surveys Observations

Publikováno v: The Astrophysical Journal Supplement Series. 150:1-18

We present the analysis of the faint galaxy population in the Advanced Camera for Surveys (ACS) Early Release Observation fields VV 29 (UGC 10214) and NGC 4676. Here we attempt to thoroughly consider all aspects relevant for faint galaxy counting and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7335a1d178746cd942f9a49345c4e169
https://doi.org/10.1086/380120

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Star Formation atz ∼ 6:i‐Dropouts in the Advanced Camera for Surveys Guaranteed Time Observation Fields

Publikováno v: The Astrophysical Journal. 595:589-602

Using an i-z dropout criterion, we determine the space density of z~6 galaxies from two deep ACS GTO fields with deep optical-IR imaging. A total of 23 objects are found over 46 arcmin^2, or ~0.5 objects/arcmin^2 down to z~27.3 (6 sigma; all AB mag)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b07bd9a7a03218e677f3e558522a1cf
https://doi.org/10.1086/377477

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Hubble Space TelescopeACS Coronagraphic Imaging of the Circumstellar Disk around HD 141569A

Publikováno v: The Astronomical Journal. 126:385-392

Multicolor coronagraphic images of the circumstellar disk around HD141569A have been obtained with the Hubble Space Telescope (HST) Advanced Camera for Surveys. B, V, and I images show that the disk's previously-described multiple-ring structure is a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a921c472d8c0d74f1570d9b20ff55d73
https://doi.org/10.1086/375460

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Skeletal Overexpression of Noggin Results in Osteopenia and Reduced Bone Formation

Autor: Vanda Jorgetti, R. D. Devlin, Renata C. Pereira, Z. Du, R. B. Kimble, Aris N. Economides, Ernesto Canalis

Publikováno v: Endocrinology. 144:1972-1978

Skeletal cells synthesize bone morphogenetic proteins (BMPs) and BMP antagonists. Noggin is a glycoprotein that binds BMPs selectively and antagonizes BMP actions. Noggin expression in osteoblasts is induced by BMPs and noggin opposes the effects of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d4967165a812fb4f8b3c00de72ae756
https://doi.org/10.1210/en.2002-220918

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Estrogen blocks M-CSF gene expression and osteoclast formation by regulating phosphorylation of Egr-1 and its interaction with Sp-1

Autor: R B Kimble, Sunil Srivastava, Roberto Pacifici, Jeffrey Milbrandt, M Zahner, M N Weitzmann, F. P. Ross, M Rizzo

Publikováno v: Journal of Clinical Investigation. 102:1850-1859

Central to the pathogenesis of osteoporosis is the ability of estrogen deficiency to increase osteoclast formation by enhancing stromal cell production of the osteoclastogenic cytokine macrophage colony-stimulating factor (M-CSF). We report that stro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8b59955bc957ed0e89538398aefe9b7
https://doi.org/10.1172/jci4561

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