Concept

Medical imaging in pregnancy

Publications associées (34)

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Bio-electromagnetic model of deep brain stimulation

Grégoire Walckiers

Functional stimulation is one of the most fascinating applications of bioelectromagnetism. It deals with the stimulation of excitable biological tissues by electromagnetic fields. One of its most impressive medical applications is the subthalamic nucleus d ...

EPFL2009

A 130nm CMOS Single Photon Avalanche Diode

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

The first implementation of a single photon avalanche diode (SPAD) is reported in 130nm CMOS technology. The SPAD is fabricated as p+/nwell junction with octagonal shape. Premature edge breakdown is prevented through a guard ring of p-well around the p+ an ...

2007

A 130-nm CMOS single photon avalanche diode - art. no. 676606

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

Spie-Int Soc Optical Engineering, Po Box 10, Bellingham, Wa 98227-0010 Usa2007

A Single Photon Avalanche Diode Implemented in 130nm CMOS Technology

Edoardo Charbon, Cristiano Niclass, Marek Gersbach

We report on the ﬁrst implementation of a single photon avalanche diode (SPAD) in 130 nm complementary metal–oxide–semiconductor (CMOS) technology. The SPAD is fabricated as p+/n-well junction with octagonal shape. A guard ring of p-well around the p+ anod ...

2007

New strategies for highly efficient MRI contrast agents

Joao Bruno Livramento Fig.

The 2003 Nobel Prize in Medicine or Physiology has been awarded for discoveries concerning Magnetic Resonance Imaging (MRI), a technique that revolutionalized medical diagnostics over the last two decades. Such spectacular development would not have been p ...

EPFL2006

Novel chelators for MRI applications

In the last two decades, Magnetic Resonance Imaging (MRI) has evolved into one of the most powerful techniques in diagnostic clinical medicine and biomedical research. MRI is primarily used to produce anatomical images, but may also give information on the ...

EPFL2006

Surface extraction and flattening for anatomical visualization

Laurent Saroul

In the last years, three-dimensional (3D) medical imaging techniques have taken an increasing importance in patient care and medical research. Volume images provide medical specialists with a direct access to the interior of a patient's body and reduce the ...

EPFL2006

Multifrequency EPR studies of zero field splitting of Gd(III) based MRI contrast agents in solids and liquids

Magnetic Resonance Imaging (MRI) offers an amazing number of ways to probe the human body. It is a wonderful symbiosis of engineering, science and medicine. The power of MRI is its ability to probe a variety of physical mechanisms that can then not only re ...

EPFL2006

High Relaxivity Confined to a Small Molecular Space: A Metallostar-Based, Potential MRI Contrast Agent

André Merbach, Alain Borel, Eva Jakab Toth, Joao Bruno Livramento Fig.

Good things come in small packages: For its moderate molecular weight, the metallostar complex [Fe{Gd2L(H2O)4}3]4− (see picture; L is a bipyridine–poly(aminocarboxylate) derivative) displays exceptionally high proton relaxivity, which is explained in terms ...

2005

New strategies for highly efficient medical MRI contrast agents

Sabrina Laus

During the last two decades, magnetic resonance imaging (MRI) has evolved into one of the most powerful techniques in medical diagnosis. Among the various medical diagnostic modalities, such as X-ray or ultra-sound imaging, MRI is the technique of choice e ...

EPFL2005