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Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective
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Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: closed (28 February 2010) | Viewed by 84223

Special Issue Editor

Prof. Dr. Edoardo Charbon

E-Mail Website
Guest Editor
Chair of VLSI Design, Department of Microelectronics, Delft University of Technology, Delft, Netherlands
Interests: high-performance imaging, quantum integrated circuits, and design automation algorithms
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Symposium:

Sensors and Sensor Networks: A VLSI Design Perspective
1 December 2008 - TU Delft
Fac. AE (L&R)
Collegezaal C
Kluyverweg 1
Delft, The Netherlands
http://cas.et.tudelft.nl/

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Published Papers (5 papers)

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Research

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23 pages, 763 KiB  
Article
SirT1—A Sensor for Monitoring Self-Renewal and Aging Process in Retinal Stem Cells
by Chi-Hsien Peng, Yuh-Lih Chang, Chung-Lan Kao, Ling-Min Tseng, Chih-Chia Wu, Yu-Chih Chen, Ching-Yao Tsai, Lin-Chung Woung, Jorn-Hon Liu, Shih-Hwa Chiou and Shih-Jen Chen
Sensors 2010, 10(6), 6172-6194; https://doi.org/10.3390/s100606172 - 21 Jun 2010
Cited by 40 | Viewed by 13692
Abstract
Retinal stem cells bear potency of proliferation, self-renewal, and differentiation into many retinal cells. Utilizing appropriate sensors one can effectively detect the self-renewal and aging process abilities. Silencing information regulator (SirT1), a member of the sirtuin family, is a NAD-dependent histone deacetylase and [...] Read more.
Retinal stem cells bear potency of proliferation, self-renewal, and differentiation into many retinal cells. Utilizing appropriate sensors one can effectively detect the self-renewal and aging process abilities. Silencing information regulator (SirT1), a member of the sirtuin family, is a NAD-dependent histone deacetylase and an essential mediator for longevity in normal cells by calorie restriction. We firstly investigate the SirT1 mRNA expression in retinal stem cells from rats and 19 human eyes of different ages. Results revealed that SirT1 expression was significantly decreased in in vivo aged eyes, associated with poor self-renewal abilities. Additionally, SirT1 mRNA levels were dose-dependently increased in resveratrol- treated retinal stem cells. The expression of SirT1 on oxidative stress-induced damage was significantly decreased, negatively correlated with the level of intracellular reactive oxygen species production. Treatment with resveratrol could effectively further reduce oxidative stress induced by H2O2 treatment in retinal stem cells. Importantly, the anti-oxidant effects of resveratrol in H2O2-treated retinal stem cells were significantly abolished by knockdown of SirT1 expression (sh-SirT1). SirT1 expression provides a feasible sensor in assessing self-renewal and aging process in retinal stem cells. Resveratrol can prevent reactive oxygen species-induced damages via increased retinal SirT1 expression. Full article
(This article belongs to the Special Issue Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective)
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14 pages, 1901 KiB  
Article
Ultra-High-Speed Image Signal Accumulation Sensor
by Takeharu Goji Etoh, Dao Vu Truong Son, Toshiaki Koike Akino, Toshiro Akino, Kenji Nishi, Masatoshi Kureta and Masatoshi Arai
Sensors 2010, 10(4), 4100-4113; https://doi.org/10.3390/s100404100 - 23 Apr 2010
Cited by 12 | Viewed by 11931
Abstract
Averaging of accumulated data is a standard technique applied to processing data with low signal-to-noise ratios (SNR), such as image signals captured in ultra-high-speed imaging. The authors propose an architecture layout of an ultra-high-speed image sensor capable of on-chip signal accumulation. The very [...] Read more.
Averaging of accumulated data is a standard technique applied to processing data with low signal-to-noise ratios (SNR), such as image signals captured in ultra-high-speed imaging. The authors propose an architecture layout of an ultra-high-speed image sensor capable of on-chip signal accumulation. The very high frame rate is enabled by employing an image sensor structure with a multi-folded CCD in each pixel, which serves as an in situ image signal storage. The signal accumulation function is achieved by direct connection of the first and the last storage elements of the in situ storage CCD. It has been thought that the multi-folding is achievable only by driving electrodes with complicated and impractical layouts. Simple configurations of the driving electrodes to overcome the difficulty are presented for two-phase and four-phase transfer CCD systems. The in situ storage image sensor with the signal accumulation function is named Image Signal Accumulation Sensor (ISAS). Full article
(This article belongs to the Special Issue Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective)
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20 pages, 3709 KiB  
Article
A CMOS Time-Resolved Fluorescence Lifetime Analysis Micro-System
by Bruce R. Rae, Keith R. Muir, Zheng Gong, Jonathan McKendry, John M. Girkin, Erdan Gu, David Renshaw, Martin D. Dawson and Robert K. Henderson
Sensors 2009, 9(11), 9255-9274; https://doi.org/10.3390/s91109255 - 18 Nov 2009
Cited by 48 | Viewed by 19594
Abstract
We describe a CMOS-based micro-system for time-resolved fluorescence lifetime analysis. It comprises a 16 × 4 array of single-photon avalanche diodes (SPADs) fabricated in 0.35 μm high-voltage CMOS technology with in-pixel time-gated photon counting circuitry and a second device incorporating an 8 × [...] Read more.
We describe a CMOS-based micro-system for time-resolved fluorescence lifetime analysis. It comprises a 16 × 4 array of single-photon avalanche diodes (SPADs) fabricated in 0.35 μm high-voltage CMOS technology with in-pixel time-gated photon counting circuitry and a second device incorporating an 8 × 8 AlInGaN blue micro-pixellated light-emitting diode (micro-LED) array bump-bonded to an equivalent array of LED drivers realized in a standard low-voltage 0.35 μm CMOS technology, capable of producing excitation pulses with a width of 777 ps (FWHM). This system replaces instrumentation based on lasers, photomultiplier tubes, bulk optics and discrete electronics with a PC-based micro-system. Demonstrator lifetime measurements of colloidal quantum dot and Rhodamine samples are presented. Full article
(This article belongs to the Special Issue Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective)
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Review

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28 pages, 1165 KiB  
Review
Electrical Capacitance Volume Tomography: Design and Applications
by Fei Wang, Qussai Marashdeh, Liang-Shih Fan and Warsito Warsito
Sensors 2010, 10(3), 1890-1917; https://doi.org/10.3390/s100301890 - 9 Mar 2010
Cited by 181 | Viewed by 20697
Abstract
This article reports recent advances and progress in the field of electrical capacitance volume tomography (ECVT). ECVT, developed from the two-dimensional electrical capacitance tomography (ECT), is a promising non-intrusive imaging technology that can provide real-time three-dimensional images of the sensing domain. Images are [...] Read more.
This article reports recent advances and progress in the field of electrical capacitance volume tomography (ECVT). ECVT, developed from the two-dimensional electrical capacitance tomography (ECT), is a promising non-intrusive imaging technology that can provide real-time three-dimensional images of the sensing domain. Images are reconstructed from capacitance measurements acquired by electrodes placed on the outside boundary of the testing vessel. In this article, a review of progress on capacitance sensor design and applications to multi-phase flows is presented. The sensor shape, electrode configuration, and the number of electrodes that comprise three key elements of three-dimensional capacitance sensors are illustrated. The article also highlights applications of ECVT sensors on vessels of various sizes from 1 to 60 inches with complex geometries. Case studies are used to show the capability and validity of ECVT. The studies provide qualitative and quantitative real-time three-dimensional information of the measuring domain under study. Advantages of ECVT render it a favorable tool to be utilized for industrial applications and fundamental multi-phase flow research. Full article
(This article belongs to the Special Issue Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective)
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18 pages, 525 KiB  
Review
Nano-Bio-Technology and Sensing Chips: New Systems for Detection in Personalized Therapies and Cell Biology
by Sandro Carrara
Sensors 2010, 10(1), 526-543; https://doi.org/10.3390/s100100526 - 12 Jan 2010
Cited by 40 | Viewed by 17348
Abstract
Further advances in molecular medicine and cell biology also require new electrochemical systems to detect disease biomarkers and therapeutic compounds. Microelectronic technology offers powerful circuits and systems to develop innovative and miniaturized biochips for sensing at the molecular level. However, microelectronic biochips proposed [...] Read more.
Further advances in molecular medicine and cell biology also require new electrochemical systems to detect disease biomarkers and therapeutic compounds. Microelectronic technology offers powerful circuits and systems to develop innovative and miniaturized biochips for sensing at the molecular level. However, microelectronic biochips proposed in the literature often do not show the right specificity, sensitivity, and reliability required by biomedical applications. Nanotechnology offers new materials and solutions to improve the surface properties of sensing probes. The aim of the present paper is to review the most recent progress in Nano-Bio-Technology in the area of the development of new electrochemical systems for molecular detection in personalized therapy and cell culture monitoring. Full article
(This article belongs to the Special Issue Delft Workshop 2008-2009—Sensors and Imagers: a VLSI Perspective)
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