Publication

Microcontroller-driven fluid-injection system for atomic force microscopy

Giovanni Dietler, Sandor Kasas, Livan Bladimir Alonso Sarduy
2010
Journal Articles

Abstract

We present a programmable microcontroller-driven injection system for the exchange of imaging medium during atomic force microscopy. Using this low-noise system, high-resolution imaging can be performed during this process of injection without disturbance. This latter circumstance was exemplified by the online imaging of conformational changes in DNA molecules during the injection of anticancer drug into the fluid chamber.

Official source

https://infoscience.epfl.ch/entities/publication/769ea5cb-3f1d-4d2a-b91b-c3ec6c08d255

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Giovanni Dietler, Sandor Kasas, Livan Bladimir Alonso Sarduy
2010
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/769ea5cb-3f1d-4d2a-b91b-c3ec6c08d255

About this result

Related concepts (18)

Digital imaging

Digital imaging or digital image acquisition is the creation of a digital representation of the visual characteristics of an object, such as a physical scene or the interior structure of an object. The term is often assumed to imply or include the , , , printing and display of such images. A key advantage of a , versus an analog image such as a film photograph, is the ability to digitally propagate copies of the original subject indefinitely without any loss of image quality.

Noise reduction

Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio. All signal processing devices, both analog and digital, have traits that make them susceptible to noise.

Colors of noise

In audio engineering, electronics, physics, and many other fields, the color of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of noise have significantly different properties. For example, as audio signals they will sound differently to human ears, and as they will have a visibly different texture. Therefore, each application typically requires noise of a specific color.

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