Publication

Particle-Shadow Tracking – Combining Magnetic Particle Manipulation with In-Situ Optical Detection in a CMOS Microsystem

Edoardo Charbon, Martinus Gijs, Ulrike Lehmann, Cristiano Niclass, Stefano Pietrocola
2007
Conference Papers

Abstract

We present a hybrid CMOS based microsystem where magnetic actuation of microparticles is combined with integrated optical detection via Single Photon Avalanche Diodes (SPADs). The system’s configuration permits the manipulation and detection of single magnetic particles having diameters of 1, 3 and 5 µm. We are able to show a size sensitivity of the particle detection, with a clear distinction between different particle diameters.

Official source

https://infoscience.epfl.ch/entities/publication/09feec51-6c3b-473d-9cee-8b5091e132ef

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Edoardo Charbon, Martinus Gijs, Ulrike Lehmann, Cristiano Niclass, Stefano Pietrocola
2007
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/09feec51-6c3b-473d-9cee-8b5091e132ef

About this result

Related concepts (22)

Magnetic tweezers

Magnetic tweezers (MT) are scientific instruments for the manipulation and characterization of biomolecules or polymers. These apparatus exert forces and torques to individual molecules or groups of molecules. It can be used to measure the tensile strength or the force generated by molecules. Most commonly magnetic tweezers are used to study mechanical properties of biological macromolecules like DNA or proteins in single-molecule experiments. Other applications are the rheology of soft matter, and studies of force-regulated processes in living cells.

Magnetic monopole

In particle physics, a magnetic monopole is a hypothetical elementary particle that is an isolated magnet with only one magnetic pole (a north pole without a south pole or vice versa). A magnetic monopole would have a net north or south "magnetic charge". Modern interest in the concept stems from particle theories, notably the grand unified and superstring theories, which predict their existence. The known elementary particles that have electric charge are electric monopoles.

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A photonic integrated circuit (PIC) or integrated optical circuit is a microchip containing two or more photonic components which form a functioning circuit. This technology detects, generates, transports, and processes light. Photonic integrated circuits utilize photons (or particles of light) as opposed to electrons that are utilized by electronic integrated circuits. The major difference between the two is that a photonic integrated circuit provides functions for information signals imposed on optical wavelengths typically in the visible spectrum or near infrared (850–1650 nm).

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