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2021-1-28 Low-gradient magnetic separation (LGMS) is a complex phenomena with a behaviour so contradictory with classic magnetophoresis models that it was considered to be almost paradoxical. An Editor’s Choice feature article at the Langmuir journal, co-authored by ICMAB Researcher Jordi Faraudo, proposes a unified theoretical framework to understand and control this helpful separation technique.
Luzheng Chen, Dahe Xiong, in Progress in Filtration and Separation, 2015. 2.3.1 Brief Review on High-Gradient. High-gradient magnetic separation has achieved remarkable progress and wide applications since Jones in 1955 achieved a high-gradient magnetic field in a magnetized matrix (Svoboda, 2004).By using magnetic matrix, magnetic force upon magnetic particles is remarkably increased
Hu studied the high gradient magnetic separation technology for treatment with high phosphorus manganese ores from Huayuan, manganese ore grade improved from 23.60% to
Magnetic separations at very low magnetic field gradients (<100 tesla per meter) can now be applied to diverse problems, such as point-of-use water purification and the simultaneous separation of complex mixtures. High–surface area and monodisperse magnetite (Fe3O4) nanocrystals (NCs) were shown to respond to low fields in a size-dependent fashion.
This separation process not only can be achieved via the utilization of high magnetic field gradient, but also, in most cases, low magnetic field gradient with magnitude less than 100 T m −1 is equally feasible. It is the aim of this review paper to summarize the usage of both high gradient magnetic separation and low gradient magnetic
2014-2-26 The rapid magnetophoretic separation of MNPs under low magnetic field gradient (∇ B < 100 Tesla/m), as observed by others is very likely through field-induced reversible aggregation of particles . Under this scenario, the particle clusters formed would migrate to the region where the magnetic field gradient is the highest.
2019-5-26 Wastewater contaminated with heavy metals is a worldwide concern due to the toxicity to human and animals. The current study presents an incorporation of adsorption and low-field dynamic magnetic separation technique for the treatment of heavy-metal-contaminated water. The key components are the eco-fabricated magnetic filter with mesh architectures (constituted of a soft magnetic
2016-4-13 Our gradient magnetic ratcheting system was able to rapidly separate and concentrate magnetic particles based on iron oxide (IO) content with high precision; yielding complete equilibrium separation of a particle batch in less than 60 seconds. The platform was then used to evaluate EpCAM expression on PC3 and LNCaP cells using the quantity of
2020-9-8 KEYWORDS: sample preparation, low-resource, nucleic acid extraction, high-gradient magnetic separation, magnetic bead separation, qPCR, tuberculosis 1. INTRODUCTION Tuberculosis (TB) remains a global challenge with an estimated 10 million infections and 1.3 million deaths per annum worldwide.1 Diagnosis of active, transmissible in-
2020-9-8 We have developed a simple and low-cost nucleic acid extraction method suitable for isolation and concentration of nucleic acids from small or large sample volumes. The method uses magnetic beads, a transfer pipette, steel wool, and an external magnet to implement high-gradient magnetic separation (HGMS) to retain nucleic acid-magnetic bead
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