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Feasibility of long-range telesurgical robotic radical gastrectomy in a live porcine model.
Int J Surg
December 2024
Department of Advanced Robotic and Endoscopic Surgery, Fujita Health University, Aichi, Japan.
Background: Telesurgery has been made increasingly possible with the advancements in robotic surgical platforms and network connectivity. However, long-distance transnational complex robotic surgeries such as gastrectomy have yet to be attempted.
Methods: Multiple transnational network connections by Science Innovation Network (SINET), Japan Gigabit Network (JGN), and Arterial Research and Education Network in Asia-Pacific (ARENA-PAC) were established and tested by multiple surgeons in a dry box model.
Linear or Cyclic? Theoretical Investigation of Astrophysically Relevant Magnesium-Bearing MgCH Carbon Chains and Related Isomers.
J Comput Chem
January 2025
Chemistry and Forensic Science, School of Natural Sciences, University of Kent, Canterbury, UK.
Magnesium-containing molecules, including MgCH, MgCH, and MgCH, have been detected in the interstellar medium, largely facilitated by their high dipole moments. However, despite great efforts, MgCH species remain elusive. Given the challenges in obtaining experimental data for these molecules, theoretical studies play a crucial role in guiding their detection.
View Article and Find Full Text PDFAbsorption spectra of PS in the ultraviolet and infrared region.
Spectrochim Acta A Mol Biomol Spectrosc
January 2025
Institute of Atomic and Molecular Physics, Jilin University, Changchun 130012 China. Electronic address:
The line list is essential for accurately modeling various astrophysical phenomena, such as stellar photospheres and atmospheres of extrasolar planets. This paper introduces a new line database for the PS molecule spanning from the ultraviolet to the infrared regions, covering wavenumbers up to 45000 cm and containing over ten million transitions between 150,458 states with total angular momentum J < 160. Accurate line intensities for rotational, vibrational and electronic transitions are generated by using the general purpose variational code DUO.
View Article and Find Full Text PDFAntimatter in astronomy and cosmology: the early history.
Ann Sci
January 2025
Niels Bohr Institute, Copenhagen University, Copenhagen, Denmark.
So-called antimatter in the form of elementary particles such as positive electrons (antielectrons alias positrons) and negative protons (antiprotons) has for long been investigated by physicists. However, atoms or molecules of this exotic kind are conspicuously absent from nature. Since antimatter is believed to be symmetric with ordinary matter, the flagrant asymmetry constitutes a problem that still worries physicists and cosmologists.
View Article and Find Full Text PDFCriteria for identifying and evaluating locations that could potentially host the Cosmic Explorer observatories.
Rev Sci Instrum
January 2025
LIGO Hanford Observatory, Richland, Washington 99352, USA.
Cosmic Explorer is a next-generation ground-based gravitational-wave observatory that is being designed in the 2020s and is envisioned to begin operations in the 2030s together with the Einstein Telescope in Europe. The Cosmic Explorer concept currently consists of two widely separated L-shaped observatories in the United States, one with 40 km-long arms and the other with 20 km-long arms. This order of magnitude increase in scale with respect to the LIGO-Virgo-KAGRA observatories will, together with technological improvements, deliver an order of magnitude greater astronomical reach, allowing access to gravitational waves from remnants of the first stars and opening a wide discovery aperture to the novel and unknown.
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