Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Helmut Grothe"'
Publikováno v:
Sensors, Vol 21, Iss 4, p 1487 (2021)
Conventional pathogenic bacteria-detection methods are lab-bound, time-consuming and need trained personnel. Microelectrodes can be used to recognize harmful microorganisms by dielectric impedance spectroscopy. However, crucial for this spectroscopy
Externí odkaz:
https://doaj.org/article/54a0edd2a25842b3afd7b5a997c95b71
Autor:
Joachim Wiest, Martin Brischwein, Johann Ressler, Angela M. Otto, Helmut Grothe, Bernhard Wolf
Publikováno v:
CHIMIA, Vol 59, Iss 5 (2005)
During recent years, sensor chip-based systems have been developed which monitor functional changes of living cells. Key elements of such cellular assays are silicon or glass chips with integrated sensors for physico-chemical parameters, i.e. pH, pO2
Externí odkaz:
https://doaj.org/article/62f6fd0e385c446c807fe23aec6dd2d3
Publikováno v:
Sensors and Actuators B: Chemical. 244:1103-1112
This paper presents a miniaturized calcium ion-selective solid-state impedance sensor which can be used to measure Ca 2+ in the presence of Mg 2+ and Na + . A novel approach consisting of an ionophore-based Ca sensor combined with a conductivity sens
Publikováno v:
Biosensorsbioelectronics. 129
Cell culture assays for therapeutic drug screening today are fully automated. Vitality of the cells is monitored by different sensors. For such a system, we propose a new reader unit, which is capable of reading two different fluorescent sensors and
Biological and Medical Sensor Technologies presents contributions from top experts who explore the development and implementation of sensors for various applications used in medicine and biology. Edited by a pioneer in the area of advanced semiconduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::637560f7ff7f7366d5f7d74db7eda060
https://doi.org/10.1201/b11529-5
https://doi.org/10.1201/b11529-5
Autor:
Alaa Abdellah, Qingqing Gong, Helmut Grothe, Paolo Lugli, Giuseppe Scarpa, Bernhard Wolf, N. Mzoughi
Publikováno v:
Sensors and Actuators B: Chemical. :537-543
In this work, novel pH sensors based on biocompatible organic semiconductors are presented. The suitability of poly(3-hexylthiophene) (P3HT) and carbon nanotubes (CNTs) as sensing layers in aqueous media was investigated. The main advantage of this n
Publikováno v:
Organic Electronics. 10:573-580
Organic field-effect transistors (OFETs) with regioregular poly(3-hexylthiophene) (P3HT) have been designed and fabricated aiming at the lowest possible working point (i.e. the adjusted values of gate voltage and drain–source voltage) for the use a
Publikováno v:
Biomedizinische Technik/Biomedical Engineering. 52:143-148
In many cases of bioanalytical measurement, calculation of large amounts of data, analysis of complex signal waveforms or signal speed can overwhelm the performance of microcontrollers, analog electronic circuits or even PCs. One method to obtain res
Autor:
J. Ressler, U. Raeder, A. Melzer, Joachim Wiest, Martin Brischwein, Helmut Grothe, T. Stadthagen, Bernhard Wolf, M. Schmidhuber
Publikováno v:
Analytical Letters. 39:1759-1771
The flexible and modular setup of an intelligent mobile lab (IMOLA) that can be equipped with biosensor chips for monitoring of cellular metabolism is described. An application as an environmental monitoring system is described by recording the extra
Publikováno v:
tm - Technisches Messen. 70:553-556
Die vorgestellten biohybriden Bauelemente und chipbasierten Systeme erlauben die Analyse metabolischer und elektrischer Signale von Zellen und Geweben on-line und in Echtzeit. Da diese Systeme für eine realitätsnahe Abbildung der Mikroumgebung sorg