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Associations of 2 Established Methods of Measuring Gait Speed and Sit-To-Stand Performance with Frailty and Life-Space Mobility in Community-Dwelling Older Adults.
J Am Med Dir Assoc
December 2024
Geriatric Education and Research Institute, Singapore; Medicine Academic Programme, Duke-NUS Graduate Medical School, Singapore; Department of Rehabilitation Medicine, Singapore General Hospital and Sengkang General Hospital, Singapore.
Objectives: The 4-m gait speed (4mGS) and 10-m gait speed (10mGS) tests and the 30-second sit-to-stand (30sSTS) and 5-times sit-to-stand (5xSTS) tests are commonly used and advocated in consensus recommendations. We compared these tests on their predictive and clinical value concerning the risk of prefrailty/frailty and restricted life-space mobility (RLSM).
Design: Cross-sectional study.
The Aharonov-Anandan phase and geometric double-quantum excitation in strongly coupled nuclear spin pairs.
J Chem Phys
March 2023
School of Chemistry, University of Southampton, SO17 1BJ Southampton, United Kingdom.
The Aharonov-Anandan phase is a contribution to the phase acquired by the cyclic evolution of a quantum state, which depends only on the geometric properties of its trajectory. We report the study and the exploitation of the Aharonov-Anandan phase by nuclear magnetic resonance interferometry techniques in homonuclear spin-1/2 pairs in the near-equivalence limit. We introduce a new method for engineering effective zero-quantum Hamiltonians with an arbitrary phase in the transverse plane.
View Article and Find Full Text PDFPsychometric properties of the Spanish adaptation of the Externalizing Spectrum Inventory-Brief Form (ESI-BF).
Psychol Assess
April 2023
Department of Clinical and Experimental Psychology, Faculty of Education, Psychology and Sports Sciences, University of Huelva.
The Externalizing Spectrum Inventory-Brief Form (ESI-BF) measures tendencies toward disinhibition, lack of control, aggression, and substance use. This study adapts the ESI-BF to the Spanish population and assesses its psychometric properties. The study included 742 community adults obtained by stratified random sampling with proportional allocation according to gender, age, and geographical area of the Spanish territory and a clinical sample consisting of 333 patients.
View Article and Find Full Text PDFGeneralised magnetisation-to-singlet-order transfer in nuclear magnetic resonance.
Phys Chem Chem Phys
May 2020
School of Chemistry, University of Southampton, University Road, SO17 1BJ, UK.
A variety of pulse sequences have been described for converting nuclear spin magnetisation into long-lived singlet order for nuclear spin-1/2 pairs. Existing sequences operate well in two extreme parameter regimes. The magnetisation-to-singlet (M2S) pulse sequence performs a robust conversion of nuclear spin magnetisation into singlet order in the near-equivalent limit, meaning that the difference in chemical shift frequencies of the two spins is much smaller than the spin-spin coupling.
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