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Neuro-computational simulation of blood flow loaded with gold and maghemite nanoparticles inside an electromagnetic microchannel under rapid and unexpected change in pressure gradient.
Electromagn Biol Med
January 2025
Department of Mathematics, University of Gour Banga, Malda, India.
In cardiovascular research, electromagnetic fields generated by Riga plates are utilized to study or manipulate blood flow dynamics, which is particularly crucial in developing treatments for conditions such as arterial plaque deposition and understanding blood behavior under varied flow conditions. This research predicts the flow patterns of blood enhanced with gold and maghemite nanoparticles (gold-maghemite/blood) in an electromagnetic microchannel influenced by Riga plates with a temperature gradient that decays exponentially, under sudden changes in pressure gradient. The flow modeling includes key physical influences like radiation heat emission and Darcy drag forces in porous media, with the flow mathematically represented through unsteady partial differential equations solved using the Laplace transform (LT) method.
View Article and Find Full Text PDFIntervertebral disc regeneration - Is it possible?
Acta Orthop Traumatol Turc
December 2024
Department of Orthopedics and Traumatology, Brugmann University Hospital Center, Free University of Brussels, Brussels, Belgium.
Objective: The aim of this study was to evaluate disc metabolism after decreasing the axial load through surgery by assessing the glycosaminoglycan content through a non-invasive method-delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC).
Methods: Sixteen patients with mono-segmental disc degeneration (L4-L5 or L5-S1) who underwent posterior lumbar spine fixation with intervertebral distraction of 2 consecutive vertebrae using monoaxial transpedicular screws and lyophilized allograft to achieve segmental fusion, and who had a follow-up period of at least 2 years, were included in this study. The first lumbar disc was used as the control group.
Experimental study on the influencing factors and pore production law of CO huff-and-puff in tight sandstone reservoirs.
Sci Rep
January 2025
School of Petroleum Engineering, Xi 'an Shiyou University, Xi'an, Shaanxi, China.
In order to determine the influence of different factors on the CO huff-and-puff displacement effect, a CO huff-and-puff experiment was carried out with Chang 6 tight sandstone samples in Ordos Basin as the research object. Combined with nuclear magnetic resonance technology, the influences of injection pressure, cycle numbers and soaking time on the CO huff-and-puff effect were evaluated, and the optimal CO huff-and-puff parameters were optimized. The microscopic degree of crude oil production in different scale pores was quantitatively characterized.
View Article and Find Full Text PDFElectromagnetism and thermostability of CrCsynthesised with high-temperature and high-pressure quenching method.
J Phys Condens Matter
January 2025
Institute of High Pressure Physics, School of Physical Science and Technology, Ningbo University, Ningbo, 315211, People's Republic of China, Ningbo, Zhejiang, 315211, CHINA.
The interactions between the carbon skeleton and the metal atoms of a binary transition metal carbide (BTMC) are particular interest for industrial applications with openning physics and chemitry questions, especially in magnetoelectric (ME) functional materials and cemented carbides. Chromium and carbon BTMCs are a series of intermetallic compounds with typical chemical formulas and sharepolycrystalline powder c somehromium special characteristics.and carbon as precursors, In this paper,and synthesized s we usedingle-phase bluk Cr7C3 (orthorhombic, with space group: Pnma) with high density and good crystallinity by means of high-temperature and high-pressure quenching method (HTHPQM).
View Article and Find Full Text PDFBody mass index, regional adipose deposition, and clinical outcomes in non-ischemic dilated cardiomyopathy: a prospective cohort study.
Eur J Prev Cardiol
January 2025
Department of Cardiology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, P. R. China.
Aim: To assess the relationship between body mass index (BMI), subcutaneous adipose tissue (SAT), visceral adipose tissue (VAT), epicardial adipose tissue (EAT), pericardial adipose tissue (PAT) and clinical outcomes in dilated cardiomyopathy (DCM) patients.
Methods: Non-ischemic DCM patients were prospectively enrolled. Regional adipose tissue, cardiac function, and myocardial tissue characteristics were measured by cardiac magnetic resonance (CMR).
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