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Competitive Adsorption of Small Molecule Inhibitors and Trimethylaluminum Precursors on the Cu(111) Surface during Area-Selective Atomic Layer Deposition: A GCMC Study.
Langmuir
January 2025
College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China.
In area-selective atomic layer deposition (AS-ALD), small molecule inhibitors (SMIs) play a critical role in directing surface selectivity, preventing unwanted deposition on non-growth surfaces, and enabling precise thin-film formation essential for semiconductor and advanced manufacturing processes. This study utilizes grand canonical Monte Carlo (GCMC) simulations to investigate the competitive adsorption characteristics of three SMIs─aniline, 3-hexyne, and propanethiol (PT)─alongside trimethylaluminum (TMA) precursors on a Cu(111) surface. Single-component adsorption analyses reveal that aniline attains the highest coverage among the SMIs, attributed to its strong interaction with the Cu surface; however, this coverage decreases by approximately 42% in the presence of TMA, underscoring its susceptibility to competitive adsorption effects.
View Article and Find Full Text PDFPrediction of the need for surgery in patients with unruptured abdominal aortic aneurysm based on SOFA score.
PLoS One
January 2025
General Surgery, Cancer Center, Department of Vascular Surgery, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang, China.
Objective: This retrospective study aimed to explore the association and clinical value of sequential organ failure assessment (SOFA) score on the predictors of adverse events in patients with unruptured abdominal aortic aneurysms (AAA).
Methods: A total of 322 patients from Medical Information Mart for Intensive Care IV database were enrolled. Logistic regression was conducted to explore the association between SOFA and primary outcome (need for surgery, NFS).
Viral genomic methylation and the interspecies evolutionary relationships of ranavirus.
PLoS Pathog
November 2024
School of Marine Sciences, State Key Laboratory for Biocontrol / Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Guangdong Province Key Laboratory of Aquatic Economic Animals & Guangdong Provincial Observation and Research Station for Marine Ranching of the Lingdingyang Bay, Sun Yat-sen University, Guangzhou, Guangdong, China.
Article Synopsis
- Ranaviruses infect a variety of species including fish, amphibians, and reptiles, causing serious economic and ecological issues, with occurrences in at least 175 species worldwide.
- The study focuses on the mandarin fish ranavirus (MRV), finding a methylation level of 16.04% in its genome, which is suggested to be crucial for viral replication.
- Additionally, the research proposes that ranaviruses could have four distinct evolutionary lineages and highlights the need for a complete phylogenetic tree and further investigation into the impact of genomic methylation on viral evolution and disease control.
The typical optical pulse from a gain-switched semiconductor laser diode (LD) usually consists of a first-spike (FS) component and a quasi-steady-state (QSS) lasing component. For the stability and accuracy in some specific applications of sensing and detection, it is necessary to achieve a smooth QSS component without the FS component (regarded as spike noise). This Letter reports a technique to smooth the optical pulse shape from gain-switched LDs via stepped electric pulse, which can eliminate or suppress the FS component effectively, without any postprocessing.
View Article and Find Full Text PDFStructure-guided discovery of novel dUTPase inhibitors with anti- activity by computational design.
J Enzyme Inhib Med Chem
December 2024
School of Life Sciences, State Key Laboratory of Biocatalysis and Enzyme Engineering, National & Local Joint Engineering Research Center of High-throughput Drug Screening Technology, Hubei University, Wuhan, PR China.
The zoonosis caused by is increasing seriously. But commonly used antibiotic drugs often lead to resistance. dUTPase (dUTPase) plays a key role in the proliferation of , and was regarded as a potent drug target.
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