A5086361550- Gas Sensing Nanomaterials and Sensors
- Advanced Chemical Sensor Technologies
- Analytical Chemistry and Sensors
- Graphene research and applications
- Nanowire Synthesis and Applications
- Spectroscopy and Laser Applications
- Semiconductor materials and interfaces
- Silicon Nanostructures and Photoluminescence
- Thin-Film Transistor Technologies
- Molecular Junctions and Nanostructures
- Electrochemical sensors and biosensors
- Biosensors and Analytical Detection
- Silicon and Solar Cell Technologies
- Transition Metal Oxide Nanomaterials
- Carbon Nanotubes in Composites
- Chalcogenide Semiconductor Thin Films
- Copper-based nanomaterials and applications
- Electrochemical Analysis and Applications
- Insect Pheromone Research and Control
- Semiconductor Quantum Structures and Devices
- Terahertz technology and applications
- Olfactory and Sensory Function Studies
- Advanced Memory and Neural Computing
- Advanced Sensor Technologies Research
- Quantum Dots Synthesis And Properties
Center for Physical Sciences and Technology
2013-2023
Institute of Semiconductor Physics
2009
University of Brescia
2009
Vilnius Gediminas Technical University
2006
Lithuanian Academy of Sciences
1992
Four types of gas sensors based on SnOx thin film with and without additives (Pt Sb) were investigated by means x-ray photoelectron spectroscopy scanning Auger microscopy. The deposited Si substrates using reactive dc magnetron sputtering. temperature dependencies the electrical resistivity response to CO exposure measured in order characterize all fabricated sensors. surface chemical composition before after various treatments (Ar+ ion sputtering, thermal annealings ultrahigh vacuum, oxygen...
The oxygen controlled chemoresistance of tin oxide based gas sensors was investigated in the temperature range from 20 to 320 °C. Polycrystalline thin film were fabricated by reactive dc-magnetron sputtering. parameters also modified additional Pt or Sb doping. effect surface species on studied x-ray photoelectron spectroscopic (XPS) analysis chemical composition before and after different sample treatments. peak at a binding energy 531.8 eV XPS core level spectrum found be related...
The BOVINOSE project (www.bovinose.eu) aims to develop an electronic nose detect estrus in a dairy cow, and thus determine the optimal timing of artificial insemination. physical principle is based on detection sex pheromones that are secreted by exclusively during estrus. These natural olfactory signal for bull cow heat. This technology help farmers EU, vast majority being micro-enterprises run as family businesses.
The propensity of peptides and proteins to form self-assembled structures has very promising applications in the development novel nanomaterials. Under certain conditions, amyloid protein α-synuclein forms well-ordered – fibrils, which have proven be valuable building blocks for bionanotechnological approaches. Herein we demonstrate functionalization fibrils formed by a mutant that contains an additional cysteine residue. been biotinylated via thiol groups subsequently joined with...
Graphene has shown great potential for ultra-high frequency electronics. However, using graphene in electronic devices creates a requirement electrodes with low contact resistance. Thermal annealing is sometimes used to improve the performance of electrodes. high-temperature may introduce additional doping or defects graphene. Moreover, an extensive increase temperature damage by destroying metal–graphene contact. In this work, we studied effect on and nickel–graphene contacts. Annealing was...
Graphene research and technology development requires to reveal adsorption processes understand how the defects change physicochemical properties of graphene-based systems. In this study, shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) graphene-enhanced (GERS) coupled with density functional theory (DFT) modeling were applied for probing structure riboflavin adsorbed on single-layer graphene substrate grown copper. Intense detailed vibrational signatures revealed by SHINERS...
Annealing is well known technique to improve metal contacts. In order anneal metal/graphene contacts information of suitable time thermal treatment process required, otherwise in a long annealing undesired deformation graphene layer or electronic device can be induced. this article we introduce the investigation structure. Electrical properties contact between CVD grown and (Au Ni), using circular transmission line model (CTLM) geometry observed. Raman spectroscopy applied for...
Equine lysozyme (EL) is a calcium (Ca)-binding and an intermediary link between non-Ca-binding C-type α-lactalbumin. The feature of lysozymes to assemble into the fibrils has recently gained considerable attention for investigation functional properties these proteins. To study structural EL, synthetic gene was cloned EL overexpressed in Escherichia coli as fused protein. His-tagged recombinant accumulated inclusion bodies. Up 50 mg/l could be achieved after purification by Ni2+ affinity...