Search Results - "BROWN, Roger C"
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From ATP to AZD6140 : The discovery of an orally active reversible P2Y12 receptor antagonist for the prevention of thrombosis
Published in Bioorganic & medicinal chemistry letters (01-11-2007)“…Starting from adenosine triphosphate (ATP), the identification of a novel series of P2Y(12) receptor antagonists and exploitation of their SAR is described…”
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Clock-Line-Mediated Sisyphus Cooling
Published in Physical review letters (02-08-2024)“…We demonstrate subrecoil Sisyphus cooling using the long-lived ^{3}P_{0} clock state in alkaline-earth-like ytterbium. A 1388-nm optical standing wave nearly…”
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Ramsey-Bordé Matter-Wave Interferometry for Laser Frequency Stabilization at 10 − 16 Frequency Instability and Below
Published in Physical review letters (13-08-2019)“…We demonstrate Ramsey-Bordé (RB) atom interferometry for high performance laser stabilization with fractional frequency instability < 2 × 10−16 for timescales…”
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Pulsed Sisyphus scheme for laser cooling of atomic (anti)hydrogen
Published in Physical review letters (27-05-2011)“…We propose a laser cooling technique in which atoms are selectively excited to a dressed metastable state whose light shift and decay rate are spatially…”
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Multiphoton magnetooptical trap
Published in Physical review letters (23-10-2009)“…We demonstrate a magnetooptical trap (MOT) configuration which employs optical forces due to light scattering between electronically excited states of the…”
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QSAR and the Rational Design of Long-Acting Dual D2-Receptor/β2-Adrenoceptor Agonists
Published in Journal of medicinal chemistry (17-07-2003)“…This paper describes the development of a QSAR model for the rational control of functional duration of topical long-acting dual D2-receptor/β2-adrenoceptor…”
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Ramsey-Bordé Matter-Wave Interferometry for Laser Frequency Stabilization at 10^{-16} Frequency Instability and Below
Published in Physical review letters (16-08-2019)“…We demonstrate Ramsey-Bordé (RB) atom interferometry for high performance laser stabilization with fractional frequency instability <2×10^{-16} for timescales…”
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Absolute Transition Frequencies and Quantum Interference in a Frequency Comb Based Measurement of the Li 6 , 7 D Lines
Published in Physical review letters (01-07-2011)Get full text
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Design, synthesis, and physicochemical properties of a novel, conformationally restricted 2,3-dihydro-1,3,4-thiadiazole-containing angiotensin converting enzyme inhibitor which is preferentially eliminated by the biliary route in rats
Published in Journal of medicinal chemistry (01-01-1991)“…Two novel series of dihydrothiadiazole ring containing inhibitors of angiotensin converting enzyme have been designed and synthesized. The compounds are highly…”
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Some Developments in the High Temperature Gas Phase Chemistry of Alkynes, Arynes and Aryl Radicals
Published in European journal of organic chemistry (01-12-1999)“…The discovery of the equilibration of alkynes with ylidenecarbenes at high temperatures has been followed by increasing use of the reactivity of such carbenes…”
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Clock-line-mediated Sisyphus Cooling
Published 19-06-2024“…Phys. Rev. Lett. 133, 053401 (2024) We demonstrate sub-recoil Sisyphus cooling using the long-lived $^{3}\mathrm{P}_{0}$ clock state in alkaline-earth-like…”
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Very-high- and ultrahigh- frequency electric field detection using high angular momentum Rydberg states
Published 19-05-2023“…Phys. Rev. A 107, 052605 (2023) We demonstrate resonant detection of rf electric fields from 240 MHz to 900 MHz (very-high-frequency (VHF) to…”
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Lattice Light Shift Evaluations In a Dual-Ensemble Yb Optical Lattice Clock
Published 16-09-2024“…In state-of-the-art optical lattice clocks, beyond-electric-dipole polarizability terms lead to a break-down of magic wavelength trapping. In this Letter, we…”
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Absolute transition frequencies and quantum interference in a frequency comb based measurement of the (6,7)Li D lines
Published in Physical review letters (08-07-2011)“…Optical frequencies of the D lines of (6,7)Li were measured with a relative accuracy of 5 × 10⁻¹¹ using an optical comb synthesizer. Quantum interference in…”
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From ATP to AZD6140: The discovery of an orally active reversible P2Y 12 receptor antagonist for the prevention of thrombosis
Published in Bioorganic & medicinal chemistry letters (2007)“…Starting with ATP, the identification of novel P2Y 12 receptor antagonists are described. The leading compound, 17 (AZD6140), is currently in a phase III…”
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Erratum: Quantum interference and light polarization effects in unresolvable atomic lines: Application to a precise measurement of the 6 , 7 Li D 2 lines [Phys. Rev. A 87 , 032504 (2013)]
Published in Physical review. A, Atomic, molecular, and optical physics (01-12-2013)Get full text
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Ramsey-Bord\'e matter-wave interferometry for laser frequency stabilization at $10^{-16}$ frequency instability and below
Published 15-07-2019“…We demonstrate Ramsey-Bord\'e (RB) atom interferometry for high performance laser stabilization with fractional frequency instability $<2 \times 10^{-16}$ for…”
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