Diseases such as cancer, diabetes mellitus, and brain injury can be caused by lack of conformational change in the pyruvate dehydrogenase complex (PDC). The known “ATP Lid” for the function of PDC is comprised by [...]
We describe a revolutionary concept for in vivo biosensing that utilizes the quantum capacitance effect in graphene to realize an ultra-small passive wireless sensor. The unique properties of graphene make it attractive for sensing applications. [...]
Here we present a novel Nanoneedle biosensor used as an ultra-sensitive, label-free and localized device, which shows promise to overcome some of the current limitations of biosensors. A Nanoneedle biosensor is a real-time, label-free, direct [...]
We present recent investigations on time-resolved measurements on alterations in the temporal luminescence decay of up-conversion phosphors induced by electron beam treatment. As a consequence of the tight regulations concerning sterility in the food and [...]
The increasing industrial use of manufactured nano-particles demands for work place monitors and personal samplers to assess the exposure of production workers. Such particles are typically measured using comparatively complex and costly instrumentation. These instruments [...]
Vapor sensors based on functionalized carbon nanotubes (NTs) have shown great promise, with high sensitivity conferred by the reduced dimensionality and exceptional electronic properties of the NT. Critical challenges in the development of NT-based sensor [...]
Contact events occurring between target species and surface sites on sensing materials initiate front-end interactions and subsequent transduction processes that can yield viable signals for target detection. By offering high surface-to-volume ratios, and specialized properties, [...]
Electrochemical sensors are very important candidates for many sensing and actuation applications. Micro/Nano scale techniques are very appealing in designing these sensors for completely integrated systems. Such systems can provide accurate and long-term measurements of [...]
We present large-scale multi-responsive cilia arrays that can be stimulated environmentally (via a pH change), electrically or magnetically. By means of micro-fabrication techniques, we created high-aspect ratio molds on which the polymer solution was cast. [...]
The principal goal of this work is to develop a more accurate model for the contact resistance using the real surface profile of the contacting material in comparison to the state-of-the art where the surface [...]
Tungsten is consider to be the most suitable material for the CMOS-MEMS vacuum gauges, including Pirani vacuum gauge and ionization vacuum gauge, due to its high temperature coefficient, resistant to the electromigration failure, high melting [...]
Many biomedical procedures necessitating the separation of cells would benefit from the miniaturization of cell separators. This miniaturization effort has led to the development of 2D dielectrophoretic separators. The use of a 3D dielectrophoretic cell [...]
The point of this paper is to demonstrate the use of a quick and cheap fabrication method to realize a laser-ablated microfluidic channel for single cell electroporation. Traditional lithography of microchannel with electrode in MEMS [...]
We have developed a new process to fabricate arbitrary-shaped, multilevel, three-dimensional free-standing micro- and nano-structures on bulk silicon using focused high energy proton beam irradiation, followed by electrochemical anodization. We make use of the fact [...]
Generally, the quantitative hermeticity of Wafer level Vacuum Packaging (WLVP) has been evaluated by integration of pirani gauge vacuum senses. But, this requires complex fabrication process and higher chip cost. In this work, hermeticity and [...]
Electroplated copper thin films have been extensively used for interconnections in semiconductor devices. In this paper, electroplating of copper has been investigated to study the dependency of plated film thickness, current efficiency and sheet resistivity [...]
In this work, the optimisation and analysis of the Ku-band FBAR using 3-D finite element modelling (FEM) is presented. The estimation of material damping coefficients (α and β) using the Akhieser approximation is carried out [...]
Cavity optomechanics studies the coupling of optical and mechanical degrees of freedom in an optical cavity. It has made great progress in recent years and enabled quantum-limited measurement of mechanical motion. One important application is [...]
This research predicted the transient behaviors of a nano-switch with static and dynamic analysis. The nano-switch consists of a cantilevered MWCNT incorporating the electrostatic forces and intermolecular attractive and repulsive forces between the CNT and [...]
we present the design and experimental acoustic test data for an ultrasound transducer technology based on a combination of micromachined dome-shaped piezoelectric resonators arranged in a flexible architecture. Our high performance niobium-doped lead zirconate titanate [...]
We describe integrated multi-axis low-g MEMS accelerometer devices fabricated in a commercial SOIMUMPS process available from MEMSCAP. We employ capacitive transduction mechanism which provides high reliability, low temperature sensitivity, low drift, and low power consumption. [...]
This paper presents a novel, highly compact capacitive shunt RF MEMS switch. In the presnted switch, interdigitation of signal lines with actuation electrodes. are used. The compactness has been achieved further by incorporating the HfO2 [...]
, Donnet C.
, Errachid A.
, Garrelie F.
, Granier J.
, Hamlaoui M-L.
, Jaffrezic-Renaul N.
, Krejči J.
, Loir A-S.
, Namour P.
, Renaud L.
, Sbartai A.
, Šejnohová R.
, Soder H.
, Universite de Lyon, FR
Different methods of analysis and speciation of heavy metals can be used alone or in combination, including the techniques of anodic stripping voltametry (DPASV) and the square wave (SWV). The Principe of these methods, there [...]
In this work an oscillating biaxial nanoprobe will be presented which measures the surface of a measurement object. The biaxial nanoprobe vibrates in two directions to realize scanning measurements and to overcome the challenges of [...]
Surface Acoustic Wave sensors on Langasite substrates are being investigated for aerospace applications by NASA’s Vehicle Systems Safety Technologies (VSST) project. Strain sensors are being developed using the Langasite. Characterization of the Langasite material properties [...]
The world population has increased by more than double in the past three decades and as a result the food supply required per capita has tremendously increases. However, as reported by United Nation Food and [...]
This abstract describes recent developments in a nanoceramic MEMS platform used for chemical sensing. These advances enable the addition of environmental awareness to many other consumer and commercial devices, including smart phones.
This paper presents a new, cheap and accurate experimental method based on electrical harmonic distortion analysis to determine mechanical characteristics (resonant frequency) of MEMS devices used in widespread applications as in energy scavenging, cantilever-based microsystems [...]
This paper discusses important aspects of investigation on interconnects reliability and ageing which has to be considered in nanoscale. The research is ongoing and applies to structures like SiP, SoC where mechanical stress caused by [...]
Journal: TechConnect Briefs
Volume: 2, Nanotechnology 2013: Electronics, Devices, Fabrication, MEMS, Fluidics and Computational (Volume 2)
Published: May 12, 2013
Industry sector: Sensors, MEMS, Electronics
Topics: MEMS & NEMS Devices, Modeling & Applications