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Special Section Guest Editorial: Introduction to the JMI Special Section on Augmented and Virtual Reality in Medical Imaging.
J Med Imaging (Bellingham)
November 2024
Children's National Hospital, Sheikh Zayed Institute for Pediatric Surgical Innovation, Washington, DC, United States.
The editorial introduces the JMI Special Section on Augmented and Virtual Reality in Medical Imaging.
View Article and Find Full Text PDFThe quantum theory of light.
Philos Trans A Math Phys Eng Sci
December 2024
Department of Physics, University of Strathclyde, John Anderson Building, 107 Rottenrow, Glasgow G4 0NG, UK.
We present a brief introduction to the quantum theory of light as it is understood in the field of quantum optics. Our aim is not to review the topic, which would require a very extensive article (or even a book of several volumes) but rather to provide sufficient background to set the ideas in the following papers in their correct context.This article is part of the theme issue 'The quantum theory of light'.
View Article and Find Full Text PDFPolyurethane Elastomers Strengthened by Pseudo[1]rotaxanes Based on Pillararenes.
Angew Chem Int Ed Engl
December 2024
Hangzhou Normal University, College of Material, Chemistry and Chemical Engineering, 2318 Yuhangtang Rd, 311121, Hangzhou, CHINA.
As a unique property of the interlocked structures, rotaxane allows for intramolecular motions between its wheel and axle components. Introduction of rotaxanes into polymers can endow them with distinctive macroscopic features and outstanding mechanical properties. Here, we prepare a copillar[5]arene with a hydroxyl and an amino-group on each end, which can spontaneously form a pseudo[1]rotaxane through intramolecular hydrogen bonds.
View Article and Find Full Text PDF'It just doesn't stop': Perspectives of women who use drugs on increased overdoses during the COVID-19 pandemic.
Drug Alcohol Rev
December 2024
British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada.
Introduction: In Canada, the COVID-19 pandemic collided with an ongoing overdose crisis driven by a toxic unregulated drug supply. Public health guidance intended to limit transmission of COVID-19 (e.g.
View Article and Find Full Text PDFHelical Supramolecular Polymers Formed via Head-to-Tail Host-Guest Complexation of Chiral Bisporphyrin Monomers with Trinitrofluorenone.
Chemistry
December 2024
Hiroshima University, Chemistry, 1-3-1 Kagamiyama, 739-8526, Higashi-Hiroshima, JAPAN.
The intermolecular host-guest complexation of head-to-tail monomers consisting of cleft-shaped bisporphyrin and trinitrofluorenone units connected by a chiral binaphthyl linker was employed to construct helically twisted supramolecular polymers. Results from 1H NMR, diffusion-ordered NMR spectroscopy, and viscometry experiments revealed that the supramolecular polymerization of these monomers follows a ring-chain competition mechanism. The introduction of bulky substituents at the linker significantly suppressed the formation of macrocyclic oligomers, whereas smaller alkyl chains facilitated the formation of the cyclic form.
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