Using magnetic levitation for density-based detection of cooking oils

Zhu, Chengxian; Gao, Lei; Han, Yaojie; Ouyang, Qiran; Zong, Lijun; Li, Lin; Zhang, Chengwu; Liu, Jinhua; Yu, Hai‐Dong; Huang, Wei

doi:10.1039/c9ra02516b

Cited by 6 publications

(5 citation statements)

References 31 publications

(40 reference statements)

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“…[88] Yu has applied Maglev to analyze cooking oils. [89] Grzybowski has developed potentially important methods to carry out magnetic tweezing and self-assembly of diamagnetic colloids in paramagnetic solutions. [90][91][92] Thew ork of these groups is summarized in their papers and in separate reviews; [6,7,69,72,76,[87][88][89]92] their work, and these summaries and analyses,a re described and referenced in appropriate sections of this Review.…”

Section: Objective and Focus Of The Reviewmentioning

confidence: 99%

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Magnetic Levitation in Chemistry, Materials Science, and Biochemistry

et al. 2020

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All matter has density. The recorded uses of density to characterize matter date back to as early as ca. 250 BC, when Archimedes was believed to have solved “The Puzzle of The King's Crown” using density.[1] Today, measurements of density are used to separate and characterize a range of materials (including cells and organisms), and their chemical and/or physical changes in time and space. This Review describes a density‐based technique—magnetic levitation (which we call “MagLev” for simplicity)—developed and used to solve problems in the fields of chemistry, materials science, and biochemistry. MagLev has two principal characteristics—simplicity, and applicability to a wide range of materials—that make it useful for a number of applications (for example, characterization of materials, quality control of manufactured plastic parts, self‐assembly of objects in 3D, separation of different types of biological cells, and bioanalyses). Its simplicity and breadth of applications also enable its use in low‐resource settings (for example—in economically developing regions—in evaluating water/food quality, and in diagnosing disease).

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Section: Objective and Focus Of The Reviewmentioning

confidence: 99%

“…The Martinez group has prototyped a serological assay for diagnosing disease in resource‐limited settings [88] . Yu has applied Maglev to analyze cooking oils [89] . Grzybowski has developed potentially important methods to carry out magnetic tweezing and self‐assembly of diamagnetic colloids in paramagnetic solutions [90–92] .…”

Section: Introductionmentioning

confidence: 99%

Magnetic Levitation in Chemistry, Materials Science, and Biochemistry

et al. 2020

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“…Die Martinez‐Gruppe hat einen serologischen Assay zur Diagnose von Krankheiten bei begrenzten Ressourcen entwickelt [88] . Yu hat Maglev eingesetzt, um Speiseöle zu analysieren [89] . Grzybowski hat potenziell wichtige Methoden entwickelt, um magnetische Pinzetten und die Selbstorganisation von diamagnetischen Kolloiden in paramagnetischen Lösungen durchzuführen [90–92] .…”

Section: Einführungunclassified

“…Grzybowski hat potenziell wichtige Methoden entwickelt, um magnetische Pinzetten und die Selbstorganisation von diamagnetischen Kolloiden in paramagnetischen Lösungen durchzuführen [90–92] . Die Arbeit dieser Gruppen ist in ihren Veröffentlichungen und in separaten Übersichtsartikeln zusammengefasst; [6, 7, 69, 72, 76, 87–89, 92] ihre Arbeit, dessen Zusammenfassungen und Analysen werden in entsprechenden Abschnitten dieses Aufsatzes beschrieben und referenziert.…”

Section: Einführungunclassified

Magnetische Levitation in Chemie, Materialwissenschaft und Biochemie

Nemiroski

Mirica

et al. 2020

Angewandte Chemie

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Alle Materie hat Dichte. Die Aufzeichnungen der Verwendung von Dichte zur Charakterisierung von Materie gehen auf das Jahr ca. 250 v. Chr. zurück, als Archimedes das “Rätsel der Königskrone” mit Hilfe der Dichte gelöst haben soll.[1] Heute werden Dichtemessungen zur Trennung und Charakterisierung einer Reihe von Materialien (inklusive Zellen und Organismen) und deren chemischen und/oder physikalischen Veränderungen in Zeit und Raum verwendet. Dieser Aufsatz beschreibt eine dichtebasierende Technik – magnetische Levitation, der Einfachheit halber nennen wir sie “MagLev” –, die zur Lösung von Problemen in den Bereichen der Chemie, Materialwissenschaft und Biochemie entwickelt wurde. MagLev hat zwei Hauptmerkmale – Einfachheit und Anwendbarkeit auf ein breites Spektrum von Materialien –, die sie für eine Reihe von Anwendungen nützlich macht (z. B. Materialcharakterisierung, Qualitätskontrolle von Plastik‐Fertigteilen, Selbstorganisation von Objekten in 3D, Trennung verschiedener Arten von biologischen Zellen, und Bioanalysen). Die Einfachheit und Anwendungsbreite ermöglichen auch den Einsatz in ressourcenschwachen Gebieten (z. B. bei der Bewertung der Wasser‐ und Lebensmittelqualität und bei der Diagnose von Krankheiten).

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“…Magnetic Levitation System (Maglev) or MLS is a system that levitates an object (usually iron-made objects) using an electromagnetic force [1]- [3]. MLS can be considered a futuristic technology [4] that has broad applications, such as in wind turbines [5], bearings [6] [7], suspensions [8], precision motion systems [9], biomedical [10] [11], Maglev fan [12], chemical [13], robotics [14] and maglev trains [15]- [18]. This technology makes the system highly efficient since no friction is made between the object and the system [19].…”

Section: Introductionmentioning

confidence: 99%

Sliding Mode Control Design for Magnetic Levitation System

Ma’arif

Márquez-Vera²,

Mahmoud³

et al. 2023

Journal of Robotics and Control

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This paper presents a control system design for a magnetic levitation system (Maglev) or MLS using sliding mode control (SMC). The MLS problem of levitating the object in the air will be solved using the controller. Inductors used in MLS make the system have nonlinear characteristics. Thus, a nonlinear controller is the most suitable control design for MLS. SMC is one of the nonlinear controllers with good robustness and can handle any model mismatch. Based on simulation results with a step as input reference, MLS provided good system performances: 0.0991s rise time, 0.1712s settling time, and 0.0159 overshoot. Moreover, a prominent tracking control for sine wave reference was also shown. Although the augmented system had a chattering effect on the control signal, the chattering control signal did not affect MLS performances.

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Using magnetic levitation for density-based detection of cooking oils

Abstract: We have developed a portable and inexpensive method that uses magnetic levitation (MagLev) for on-site quality inspection of cooking oils.

Cited by 6 publications

References 31 publications

Magnetic Levitation in Chemistry, Materials Science, and Biochemistry

Magnetic Levitation in Chemistry, Materials Science, and Biochemistry

Magnetische Levitation in Chemie, Materialwissenschaft und Biochemie

Sliding Mode Control Design for Magnetic Levitation System

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