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Endovascular interventions in cancer patients with compromise of the mediastinal vasculature: a review.
Mediastinum
May 2024
Department of Interventional Radiology, Division of Diagnostic Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, USA.
The mediastinal vasculature can be affected by various etiologies in cancer patients. Both direct and indirect sequela of cancer may result in life-threatening clinical presentations. Tumor growth may cause vessel narrowing and decreased blood flow from either extrinsic mass effect, invasion into the vascular wall, or tumor thrombus within the lumen.
View Article and Find Full Text PDFp-CuO/n-ZnO Heterojunction Pyro-Phototronic Photodetector Controlled by CuO Preparation Parameters.
Sensors (Basel)
December 2024
School of Microelectronics, Xi'an Jiaotong University, Xi'an 710049, China.
The combination of ZnO with narrow bandgap materials such as CuO is now a common method to synthesize high-performance optoelectronic devices. This study focuses on optimizing the performance of p-CuO/n-ZnO heterojunction pyroelectric photodetectors, fabricated through magnetron sputtering, by leveraging the pyro-phototronic effect. The devices' photoresponse to UV (365 nm) and visible (405 nm) lasers is thoroughly examined.
View Article and Find Full Text PDFExploring Metal-Metal Composites: A Study on AA5083 Matrix-Cr Particles Reinforced Composites.
Materials (Basel)
December 2024
Faculty of Engineering, Metallurgical and Materials Engineering, Karadeniz Technical University, 61080 Trabzon, Turkey.
The objective of this study is to develop chromium-reinforced metal-metal composites utilizing an AA5083 aluminum alloy matrix through powder metallurgy while also examining their properties. Samples were produced by incorporating varying quantities of chromium (5%, 10%, and 15% by weight) into the AA5083 matrix. In order to ensure a uniform distribution of chromium particles, the powders were blended in a ball mill and subsequently hot-pressed at 500 °C under 500 MPa for a period of two hours in an argon atmosphere.
View Article and Find Full Text PDFThermal ablation of margins for recurrence prevention after endoscopic mucosal resection: a systematic review and meta-analysis.
Surg Endosc
January 2025
Fundación Barceló, Instituto Universitario de Ciencias de la Salud, Buenos Aires, Argentina.
Background And Aims: Endoscopic mucosal resection (EMR) of large colorectal lesions can be challenging, and residual lesions after EMR can progress to colorectal cancer. We aimed to assess the efficacy and safety of adding thermal ablation of margins [using argon plasma coagulation (APC) or snare tip soft coagulation (STSC)] in reducing recurrence rates after EMR.
Methods: We performed a systematic review and meta-analysis of randomized controlled trials (RCTs) identified from PubMed, Cochrane Library, and Embase.
Effect of Ar on Temperature and Flow Distribution in Monocrystalline Graphene Growth: Inert Gas Is Active.
ACS Omega
December 2024
State Key Lab of Crystal Materials, Institute of Novel Semiconductors, Center for Optics Research and Engineering Shandong University, Jinan 250100, PR China.
Monocrystalline graphene growth has always been an intriguing research focus. Argon (Ar) is merely viewed as a carrier gas due to its inert chemical properties throughout the whole growth procedure by the chemical vapor deposition method. In this work, the influence of Ar on temperature and flow fields was investigated in consideration of its physical parameter difference among all involved gases.
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