Search Results - "Schäffer, S A"

Atomic clock performance enabling geodesy below the centimetre level by McGrew, W. F., Zhang, X., Fasano, R. J., Schäffer, S. A., Beloy, K., Nicolodi, D., Brown, R. C., Hinkley, N., Milani, G., Schioppo, M., Yoon, T. H., Ludlow, A. D.

“…The passage of time is tracked by counting oscillations of a frequency reference, such as Earth’s revolutions or swings of a pendulum. By referencing atomic…”
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Towards the optical second: verifying optical clocks at the SI limit by McGrew, W. F., Zhang, X., Leopardi, H., Fasano, R. J., Nicolodi, D., Beloy, K., Yao, J., Sherman, J. A., Schäffer, S. A., Savory, J., Brown, R. C., Römisch, S., Oates, C. W., Parker, T. E., Fortier, T. M., Ludlow, A. D.

“…The pursuit of ever more precise measures of time and frequency motivates redefinition of the second in terms of an optical atomic transition. To ensure…”
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Faraday-Shielded dc Stark-Shift-Free Optical Lattice Clock by Beloy, K, Zhang, X, McGrew, W F, Hinkley, N, Yoon, T H, Nicolodi, D, Fasano, R J, Schäffer, S A, Brown, R C, Ludlow, A D

“…We demonstrate the absence of a dc Stark shift in an ytterbium optical lattice clock. Stray electric fields are suppressed through the introduction of an…”
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Impact of Adjuvanted H1N1 Vaccine on Cell‐Mediated Rejection in Heart Transplant Recipients by Schaffer, S. A., Husain, S., Delgado, D. H., Kavanaugh, L., Ross, H. J.

“…During the H1N1 influenza virus pandemic, vaccination of high risk groups including solid‐organ transplant recipients was advised. A retrospective case control…”
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A definition of initial, fatty streak, and intermediate lesions of atherosclerosis : a report from the committee on vascular lesions of the council on arteriosclerosis American heart association by STARY, H. C, CHANDLER, C. A. B, GLAGOV, S, GUYTON, J. R, INSULL, W. JR, ROSENFELD, M. E, SCHAFFER, S. A, SCHWARTZ, C. J, WAGNER, W. D, WISSLER, R. W

“…The compositions of lesion types that precede and that may initiate the development of advanced atherosclerotic lesions are described and the possible…”
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A definition of the intima of human arteries and of its atherosclerosis-prone regions : a report from the committee on vascular lesions of the council on arteriosclerosis, american heart association by STARY, H. C, BLANKENHORN, D. H, WISSLER, R. W, CHANDLER, A. B, GLAGOV, S, INSULL, W. JR, RICHARDSON, M, ROSENFELD, M. E, SCHAFFER, S. A, SCHWARTZ, C. J, WAGNER, W. D

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Atomic clock performance beyond the geodetic limit by McGrew, W. F, Zhang, X, Fasano, R. J, Schäffer, S. A, Beloy, K, Nicolodi, D, Brown, R. C, Hinkley, N, Milani, G, Schioppo, M, Yoon, T. H, Ludlow, A. D

“…Nature 564, 87-90 (2018) The passage of time is tracked by counting oscillations of a frequency reference, such as Earth's revolutions or swings of a pendulum…”
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Faraday-shielded, DC Stark-free optical lattice clock by Beloy, K, Zhang, X, McGrew, W. F, Hinkley, N, Yoon, T. H, Nicolodi, D, Fasano, R. J, Schäffer, S. A, Brown, R. C, Ludlow, A. D

“…Phys. Rev. Lett. 120, 183201 (2018) We demonstrate the absence of a DC Stark shift in an ytterbium optical lattice clock. Stray electric fields are suppressed…”
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CL 277,082: a novel inhibitor of ACAT-catalyzed cholesterol esterification and cholesterol absorption by Largis, E E, Wang, C H, DeVries, V G, Schaffer, S A

“…CL 277,082 (I) was found to be a potent inhibitor of acyl CoA:cholesterol acyltransferase (ACAT, EC 2.3.1.26) in microsomes from a variety of tissues with IC50…”
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A definition of initial, fatty streak, and intermediate lesions of atherosclerosis : a report from the Committee on vascular lesions of the council on arteriosclerosis, American Heart Association by STARY, H. C, CHANDLER, A. B, GLAGOV, S, GUYTON, J. R, INSULL, W. JR, ROSENFELD, M. E, SCHAFFER, S. A, SCHWARTZ, C. J, WAGNER, W. D, WISSLER, R. W

“…The compositions of lesion types that precede and that may initiate the development of advanced atherosclerotic lesions are described and the possible…”
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Traditional risk factors may not explain increased incidence of myocardial infarction in MS

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Influence of the acyl-CoA: cholesterol O-acyltransferase inhibitor, CL 277082, on cholesteryl ester accumulation in rabbit macrophage-rich granulomas and hepatic tissue by Kelley, J L, Suenram, C A, Rozek, M M, Schaffer, S A, Schwartz, C J

“…The influence of the acyl-CoA: cholesterol O-acyltransferase (ACAT) inhibitor, CL 277082, on macrophage cholesteryl ester accumulation in a rabbit carrageenan…”
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Towards Adoption of an Optical Second: Verifying Optical Clocks at the SI Limit by McGrew, W. F, Zhang, X, Leopardi, H, Fasano, R. J, Nicolodi, D, Beloy, K, Yao, J, Sherman, J. A, Schäffer, S. A, Savory, J, Brown, R. C, Römisch, S, Oates, C. W, Parker, T. E, Fortier, T. M, Ludlow, A. D

“…The pursuit of ever more precise measures of time and frequency is likely to lead to the eventual redefinition of the second in terms of an optical atomic…”
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Optical Frequency Measurements at 1×10−18 Uncertainty with Ytterbium Optical Lattice Clocks by Ludlow, A. D., McGrew, W.F., Zhang, X., Nicolodi, D., Fasano, R. J., Schaffer, S. A., Brown, R. C., Fox, R. W., Hinkley, N., Yoon, T. H., Beloy, K.

“…We describe ytterbium optical lattice clocks under development at NIST. This includes the characterization of optical frequency stability and uncertainty, as…”
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Impact of Adjuvanted H1 N1 Vaccine on Cell-Mediated Rejection in Heart Transplant Recipients by SCHAFFER, S. A, HUSAIN, S, DELGADO, D. H, KAVANAUGH, L, ROSS, H. J

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The effects of endothelial cell-conditioned media on the proliferation of aortic smooth muscle cells and 3T3 cells in culture by Wang, C H, Largis, E E, Schaffer, S A

“…Normal aortic endothelial cells cultured in serum-free medium elaborate a factor(s) which cause the proliferation of smooth muscle cells or 3T3 cells grown in…”
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Potential antiatherosclerotic agents. 5. An acyl-CoA:cholesterol O-acyltransferase inhibitor with hypocholesterolemic activity by DeVries, V G, Schaffer, S A, Largis, E E, Dutia, M D, Wang, C H, Bloom, J D, Katocs, Jr, A S

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Antiatherogenic activity of cetaben sodium, sodium p-(hexadecylamino) benzoate, in the aortae of hypercholesteremic rabbits subjected to aortic endothelial cell desquamation by Katocs, Jr, A S, Schaffer, S A

“…The effects of sodium p-(hexadecylamino)benzoate [cetaben sodium] on plasma sterol concentrations, aortic sterol deposition and the incidence of…”
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A definition of the intima of human arteries and of its atherosclerosis-prone regions. A report from the Committee on Vascular Lesions of the Council on Arteriosclerosis, American Heart Association by Stary, H C, Blankenhorn, D H, Chandler, A B, Glagov, S, Insull, Jr, W, Richardson, M, Rosenfeld, M E, Schaffer, S A, Schwartz, C J, Wagner, W D

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Towards an Active Optical Clock using an Optical Conveyor within a Ring Cavity by G, Kazakov, S., Dubey, F., Fama, S., Zhou, C., Beli Silva, S.A., Schaffer, S., Bennetts, F., Schreck

“…We report on our progress towards a continuously-operating active optical clock on the 3 P 0 → 1 S 0 transition of neutral 87 Sr or 88 Sr atoms. Our approach…”
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