Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Valentin Feies"'
Autor:
Norocel Codreanu, Paul Schiopu, F. Vasile, Marian Vladescu, Alexandru Craciun, Silviu Ionita, Iulian Busu, Madalin Vasile Moise, Valentin Feies, Marian Raducu
Publikováno v:
2021 13th International Conference on Electronics, Computers and Artificial Intelligence (ECAI).
In this paper we present the design of an electronic circuit which implements a differential measurement technique for detecting the presence of an explosive substance by using resonant sensors. Two TF-BAR sensors, with resonance frequencies of about
Autor:
Paul Schiopu, Valentin-Gabriel Voiculescu, Nicolae Vasiliu, Valentin Feies, Marian Vladescu, Alexandru Craciun, Virgil Muraru, Sebastian Lucian Muraru
Publikováno v:
Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X.
Technical innovation in agriculture is of extreme importance, in particular to address global challenges such as population growth, climate change and the limited availability of important plant nutrients such as phosphorus and potassium. Sensors app
Autor:
Silviu Ionita, Paul Schiopu, Marian Raducu, Marian Vladescu, F. Vasile, Norocel Codreanu, Alexandru Craciun, Valentin Feies
Publikováno v:
Advanced Topics in Optoelectronics, Microelectronics and Nanotechnologies X.
In this paper we present an experimental set-up for measuring small frequency differences between two RF oscillators [1] by using a homodyne detection scheme [2]. To emulate the oscillators, we used two RF sources whose output signals were mixed and
Autor:
Anca-Ileana Craciun, Paul Schiopu, Valentin Feies, Marian Vladescu, F. Vasile, Norocel Codreanu
Publikováno v:
2020 IEEE 26th International Symposium for Design and Technology in Electronic Packaging (SIITME).
Ultra-sensitive TFBAR (Thin Film Bulk Acoustic Wave Resonator) mass sensors can be used for the detection of dangerous substances. The chemically-sensitive part of such a sensor consists in a thin film of gold (Au) which covers the sensing area of th
Autor:
Valentin Feies, Carmen-Marinela Mihailescu, Paul Schiopu, Dana Stan, Neculai Grosu, Mihaela Savin, Marian Vladescu, Alexandru Craciun
Publikováno v:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX.
Point of care (POC) immunochromatographic testing is a necessary component of emergency healthcare allowing rapid testing at, or near, the site of patient care. POC approaches can save hundreds of thousands of lives every year [1]. POC testing includ
Autor:
Paul Schiopu, Marian Vladescu, Valentin Feies, Mihaela Savin, Carmen-Marinela Mihailescu, Alexandru Craciun, Neculai Grosu, Dana Stan
Publikováno v:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies IX.
Cardiac Troponin T (cTnT) is a protein with molecular weight of 39.7 kDa that is involved in the regulation mechanism of cardiac muscle contraction and exclusive infarction originates. CTnT measurement of human serum is superior in terms of sensitivi
Autor:
Neculai Grosu, Mihaela Savin, Marian Vladescu, Paul Schiopu, Valentin Feies, Alexandru Craciun
Publikováno v:
2017 9th International Conference on Electronics, Computers and Artificial Intelligence (ECAI).
In recent years, the development of new and simple methods for characterization of biosurfaces for rapid detection of acute myocardial infarction (AMI) is a constant concern in the immunochromatographic tests [3]. The method used in the present assay
Publikováno v:
2015 IEEE 21st International Symposium for Design and Technology in Electronic Packaging (SIITME).
The paper presents an optoelectronic module for quantification of biomarkers based on fluorescence, intended to be used for detection of acute myocardial infarction (AMI). The basic principles of fluorescence microscopy have been used for designing t
Autor:
Ivo Montrosset, Valentin Feies
Publikováno v:
Journal of Lightwave Technology. 21:1524-1530
A new design procedure for multisection distributed Bragg reflector (DBR) lasers is presented and it has been applied to the design of two-section devices lasing at ITU frequencies only by grating current injection. The validity of the solution has b
Publikováno v:
SPIE Proceedings.
In the case of construction works, nondestructive determination of some key parameters is required, parameters that ensure safety and quality of constructions. Among these parameters one can mention: the thickness of the layers of which a road or hig