Institute of Microelectronics of Barcelona IMB-CNM   

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Micro and Nanotechnology research for you

IMB-CNM talks: Detección de radiación basada en sensores de imagen CMOS comerciales - Martín Pérez

Sala de Actos Pepe Millán, IMB-CNM, Campus UAB.
13/07/2018 11:30 a.m.

Abstract: Martín Pérez, del Centro Atómico Bariloche (Argentina) presentará el Centro Atómico Bariloche y describirá brevemente las instalaciones que utilizan habitualmente para realizar irradiaciones. En segundo lugar, describirá un método para la detección de neutrones térmicos basado en sensores de imagen CMOS comerciales y capas de conversión de gadolinio. Por último, hablará del daño originado por neutrones térmicos en sensores de imagen CMOS y de un método para realizar neutrografías mediante la activación de láminas de indio.

IMB-CNM talks: Three-dimensional interdigitated electrode arrays (3D-IDEA) for label-free detection of bacteria - Sergi Brosel

Sala de Actos Pepe Millán, IMB-CNM, Campus UAB.
08/06/2018 11:30 a.m.

Abstract: The use of impedimetric transducers based on interdigitated electrode arrays (IDEA) have been widely employed for different biosensing applications in the last years. A new transducer design with the presence of insulating barriers between electrode digits, named a three-dimensional interdigitated electrode array (3D-IDEA), shows considerable improvement in sensitivity compared with standard planar IDEA sensors. The functional mechanism of the device is based on registration of changes in conductivity at the surface of the barrier provoked by electrical charge redistribution caused by surface chemical reactions. The potential use of the developed device as a sensor transducer to detect various chemical and biochemical reactions has been previously demonstrated.
The presentation will be focused on how the surface modification of the 3D-IDEA impedance-based sensor with the immobilization of different biorecognition molecules (lectins, aptamers and peptides) allows to develop sensitive and label-free detection of different bacterial strains, as well as bacterial contaminants like endotoxins.

IMB-CNM talks: Alternative materials for bio-sensing: silk fibroin from Bombyx mori - Augusto Márquez

Sala de Actos Pepe Millán, IMB-CNM, Campus UAB.
11/05/2018 11:30 a.m.

Abstract: The field of commercial point of care (POC) tests for glucose monitoring in blood is widely covered with the glucose test strips for electrochemical measuring. Colorimetric analysis in this case is poor developed, while in other preliminary tests (pH, pregnancy, lead acetate) is commonly used. This aspect is logic as blood has a strong red color due to the presence of hemoglobin, what suppose an important interference. To prevent this drawback, cellulose is commonly employed to filter the sample, but also to manage the fluidics and retain the interactive elements (i.e. lateral flow tests). In this talk, I will present silk fibroin as an alternative to cellulose. This material covers in great part paper functionalities like capillary pumping and filtering but also and present others: i) mechanical properties: possibility to develop thin film biosensors resistant to mechanical stress, ii) biocompatibility: possibility to encapsulate biomolecules without disturbing their activity and also to be implanted in patients, iii) enzyme activity sustainer: the crystalline structure may isolate the immobilized biomolecules from harmful agents, iv) waveguide: besides acting as a biocompatible matrix, the silk fibroin can guide the light in a biosensor, being transparent in the visible and iv) compatibility with micro and nanofabrication technology (stamping, e-beam).

FEYNMAN UAB TALKS | Campus UAB, May-June 2018

Sala d’Actes Facultat de Ciències UAB
Wednesday, 9 May 2018, 12 pm

This year 2018 we celebrate the centenary of Richard P. Feynman, one of the greatests scientists of the XX century. The Campus UAB will host a cycle of Feynman Talks in different research centers. The first one, by Prof. David Kaiser, from MIT, will be at the Faculty of Science of UAB (Sala d'actes) on Wednesday, 9 May, 2018 at 12 pm.

The rest of the talks will be the following (see program here)

#MEMEnginy18 | UAB Technology Congress

Escola d'Enginyeria UAB
26/04/2018 12 to 18 p.m.

#MEMEnginy es la feria tecnológica de la Universidad Autónoma de Barcelona que se realiza en la Escuela de Ingeniería con el objetivo de acercar el mundo profesional a la universidad y promover las nuevas tecnologías facilitando la creación de sinergías estratégicas entre empresa e institución.

More info here

IMB-CNM talks: Keeping Moore’s law alive: block copolymer lithography - Steven Gottlieb

Sala de Actos Pepe Millán, IMB-CNM, Campus UAB.
20/04/2018 11:30 a.m.

Abstract: The use of block copolymers for lithography applications has attracted significant attention in the last years because it is an interesting bottom-up technique that enables patterning with a resolution in the range from 5 to 25 nm. Block copolymer thin film spin-coating and annealing leads to a microphase separation process which, however, lacks the capability of inducing long-range order in the system. Lithographically defined features – mostly defined by top-down methods – capable of ordering the block copolymer domains on large length scales are referred to as guiding patterns. Besides a brief introduction to block copolymer physics we explain why block copolymer lithography is a possible technique for future node semiconductor manufacturing. An emphasis is on explaining the need for the fabrication of guiding patterns to direct the self-assembly of block copolymers. The second part of this presentation is about recent results in the fabrication of guiding patterns to direct the block copolymer self-assembly in lithographically relevant structures. These results include the use of extreme ultraviolet interference lithography (EUV-IL), electron beam lithography and thermal scanning probe lithography (t-SPL). Most of the presented results have been obtained within the framework of the European infrastructure project NFFA (Nanoscience Foundries and Fine Analysis), where the CNM is, among others, active in the sub-area “High-precision manufacturing”.

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