Detection of nucleobases is of great significance in DNA sequencing, which is one of the main goals of the Human Genome Project. The synthesis of Hachimoji DNA, an artificial genetic system with eight nucleotide bases, has induced a transformative shift in genetic research and biosensing. Here, we present a systematic investigation of the adsorption behavior and electronic transport properties of natural and modified DNA bases on a Janus molybdenum sulfur hydride (MoSH) monolayer using density functional theory (DFT) and nonequilibrium Green's function (NEGF) methods.
View Article and Find Full Text PDFBackground: Identifying liver ischemia is crucial in liver surgery. This study aimed to develop a hemi-hepatic ischemia model for assessing liver ischemia using single snapshot imaging of optical properties (SSOP), a noninvasive optical imaging modality that provides real-time measurements of tissue oxygen saturation (StO2).
Materials And Methods: Twelve swine were randomly assigned to two groups: One undergoing total vascular inflow occlusion (TVIO) and the other undergoing hepatic artery occlusion (HAO).
Background And Objective: Telesurgery is as a promising solution to support and deliver advanced health care services to underserved areas. The primary endpoint of our study was to prove the concept of low-latency long-distance connectivity and to describe the feasibility of remote surgery.
Methods: A prospective study was conducted from February 29 to March 1, 2024, in live animal models (porcine) connecting surgeons from Orlando (USA) to the animal laboratory in Shanghai (China) using 5G and Wi-Fi connections, in combination with continental and transpacific fiber.
Background: Most patients with ovarian cancer relapse within 2 years. Prospective randomized trials, such as DESKTOP III and SOC-I, have shown the role of secondary cytoreduction in improving oncological outcomes in selected patients, when complete tumor resection is achieved. Recent retrospective series suggest that minimally invasive surgery is a feasible option in oligometastatic recurrences, such as rectal ones.
View Article and Find Full Text PDFRG1 is a quadruplex-forming sequence in the SARS-CoV-2 genome proposed as possible therapeutic target for COVID-19. We demonstrate that the dominant conformation of RG1 under physiological conditions differs from the parallel quadruplex previously assumed. Through comprehensive investigations employing CD, UV, NMR, DSC, gel electrophoresis, MD simulations, in silico spectroscopy and the use of truncated RG1 sequences, we have identified this stable conformation as an RNA G-triplex composed of two G-triads.
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