Number of found documents: 623
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Surface plasmon resonance biosensors: Today and Tomorrow
Homola, Jiří
2009 - Czech
Tento článek diskutuje současný stav ve výzkumu a vývoji optických biosenzorů s povrchovými plazmony a představuje vybrané výsledky výzkumu v této oblasti v Ústavu fotoniky a elektroniky AV ČR, v.v.i., Praha. This paper reviews the present state of the art and recent advances in the development of SPR sensors and presents selected results of SPR sensor research at the Institute of Photonics and Electronics, Prague. Keywords: Surface plasmon resonance imaging; Biosensor; Protein detection; základní výzkum; výzkum Available at various institutes of the ASCR
Surface plasmon resonance biosensors: Today and Tomorrow

Tento článek diskutuje současný stav ve výzkumu a vývoji optických biosenzorů s povrchovými plazmony a představuje vybrané výsledky výzkumu v této oblasti v Ústavu fotoniky a elektroniky AV ČR, ...

Homola, Jiří
Ústav fotoniky a elektroniky, 2009

Czech Acted Emotional Speech Database
Vondra, Martin; Vích, Robert; Horák, Petr
2009 - English
This paper describes the design, recording and evaluation of a Czech acted emotional speech database. The database contains 16 usual everyday sentences read by five professional speakers in six basic emotional styles and the neutral style. Keywords: Speech; Emotion; Listening test; řeč Available at various institutes of the ASCR
Czech Acted Emotional Speech Database

This paper describes the design, recording and evaluation of a Czech acted emotional speech database. The database contains 16 usual everyday sentences read by five professional speakers in six basic ...

Vondra, Martin; Vích, Robert; Horák, Petr
Ústav fotoniky a elektroniky, 2009

Metody plně optické konverze vlnových délek a modulačních formátů pro optické sítě s vysokou přenosovou rychlostí
Honzátko, Pavel
2009 - Czech
Byly představeny výsledky skupiny v oblasti plně optických konverzních metod, zejména vlnový konvertor založený na křížové fázové modulaci v nelineárním vlákně s konverzí na amplitudovou modulaci ve vláknové Braggově mřížce, vlnový konvertor s křížovou modulací v polovodičovém optickém zesilovači s konverzí na amplitudovou modulaci v mřížce s dlouhou periodou a konvertor modulačního formátu RZ/NRZ s křížovou fázovou modulací v Sagnacově interferometru. A survey of results in the field of all-optical conversion methods, namely a wavelength converter based on the fiber XPM with subsequent conversion of PM into AM in FBG, a wavelength converter with XPM/XGM in SOA with conversion to AM in LPG, and a modulation format converter RZ/NRZ based on fiber XPM in Sagnac interferometer. Keywords: communications; sensing; spoje Available at various institutes of the ASCR
Metody plně optické konverze vlnových délek a modulačních formátů pro optické sítě s vysokou přenosovou rychlostí

Byly představeny výsledky skupiny v oblasti plně optických konverzních metod, zejména vlnový konvertor založený na křížové fázové modulaci v nelineárním vlákně s konverzí na amplitudovou modulaci ve ...

Honzátko, Pavel
Ústav fotoniky a elektroniky, 2009

Respiratory and cardiovascular health effects of nanoparticles
Nohavica, Dušan
2009 - English
Numerous combustion related and natural sources generate airborne ultra fine particulate matter (<100 nm). Several epidemiological studies have found adverse respiratory and cardiovascular health effects in susceptible parts of the population to be associated with these particles. Published clinical studies with 10-50 μg/m3 ultra fine elemental carbon particles as surrogates for ambient particles did induce cardiovascular effects in healthy adults. Keywords: Nanotechnology; toxicity; nanotechnologie; toxicita Available at various institutes of the ASCR
Respiratory and cardiovascular health effects of nanoparticles

Numerous combustion related and natural sources generate airborne ultra fine particulate matter (...

Nohavica, Dušan
Ústav fotoniky a elektroniky, 2009

Microscopy of nanoparticles and films with nanoparticles
Kacerovský, Pavel; Žďánský, Karel; Procházková, Olga; Vaniš, Jan; Grym, Jan; Vasiliev, A.; Pašajev, E. M.
2009 - English
To study the electrophoreticaly deposited nanolayers of reverse micelles with Pd nano-particles on n-type InP substrates a wide range of current microscopic methods has been used. What concerns analytical methods the X-ray diffraction and mass spectrometry SIMS were used. The most relevant results about Pd nanoparticles in the layer were obtained by using HRTEM microscopy and SIMS spectrometry. In nanolayers crystallographic arrangement of Pd nanoparticles has not been found. Keywords: semiconductor devices; nanostructures; polovodičové součástky; nanostruktury Available at various institutes of the ASCR
Microscopy of nanoparticles and films with nanoparticles

To study the electrophoreticaly deposited nanolayers of reverse micelles with Pd nano-particles on n-type InP substrates a wide range of current microscopic methods has been used. What concerns ...

Kacerovský, Pavel; Žďánský, Karel; Procházková, Olga; Vaniš, Jan; Grym, Jan; Vasiliev, A.; Pašajev, E. M.
Ústav fotoniky a elektroniky, 2009

Calculation of the Electromagnetic Field Around Microtubule
Havelka, D.; Cifra, Michal
2009 - English
Microtubules are important structures in cytoskeleton which organizes the cell. Single microtubule is composed of electrically polar structures, tubulin heterodimers, which have strong electric dipole moment. Vibrations are expected to be generated in microtubules, thus tubulin heterodimers as electric dipoles are oscillating. This gives rise to electromagnetic field, which is detected around the cells. We calculate here the electromagnetic field of microtubules if they are excited at 1 GHz. This paper includes the work done in bachelor thesis of the first author. Keywords: bioelectric phenomena; microtubules; bioelectromagnetism; elektromagnetické pole; elektrostatické pole Available at various institutes of the ASCR
Calculation of the Electromagnetic Field Around Microtubule

Microtubules are important structures in cytoskeleton which organizes the cell. Single microtubule is composed of electrically polar structures, tubulin heterodimers, which have strong electric dipole ...

Havelka, D.; Cifra, Michal
Ústav fotoniky a elektroniky, 2009

Optické mikroresonátory pro sensory a komunikace
Todorov, Filip; Matějec, Vlastimil; Chomát, Miroslav; Berková, Daniela; Jelínek, M.; Kubeček, V.; Sedlář, R.
2009 - Czech
Příspěvek se zabývá optickými mikroresonátory, jejich přípravou, vlastnostmi a využitím v telekomunikacích a zejména v senzorech. Jsou uvedeny výsledky získané s přípravou a charakterizací kulových křemenných mikroresonátorů na pracovištích autorů. The paper deals with optical microresonators, their preparation, characteristics and application to telecommunication and sensor purposes. Results in the preparation and characterization of spherical silica resonators achieved by the authors are presented. Keywords: communications; sensing; optical microresonator; spoje Available at various institutes of the ASCR
Optické mikroresonátory pro sensory a komunikace

Příspěvek se zabývá optickými mikroresonátory, jejich přípravou, vlastnostmi a využitím v telekomunikacích a zejména v senzorech. Jsou uvedeny výsledky získané s přípravou a charakterizací kulových ...

Todorov, Filip; Matějec, Vlastimil; Chomát, Miroslav; Berková, Daniela; Jelínek, M.; Kubeček, V.; Sedlář, R.
Ústav fotoniky a elektroniky, 2009

The role of small and medium CATV operators in providing e-services in the Czech Republic
Kuchar, Anton
2009 - English
As the demand for broadband e-services is increasing, there is a good chance for the cable TV operators to successfully compete with the traditional telecommunication operators in providing the services taking advantage of their broadband infrastructure. The paper reviews the Czech telecommunications arena focusing on the role of CATV operators and service providers in general and of the small and medium ones in particular. Keywords: Telecommunication networks; Optical communication; Cable television; kabelová televize Available at various institutes of the ASCR
The role of small and medium CATV operators in providing e-services in the Czech Republic

As the demand for broadband e-services is increasing, there is a good chance for the cable TV operators to successfully compete with the traditional telecommunication operators in providing the ...

Kuchar, Anton
Ústav fotoniky a elektroniky, 2009

The role of small and medium CATV operators in providing e-services in the Czech Republic
Kuchar, Anton; Klíma, P.
2009 - English
As the demand for broadband e-services is increasing, there is a good chance for the cable TV operators to successfully compete with the traditional telecommunication operators in providing the services taking advantage of their broadband infrastructure. The paper reviews the Czech telecommunications arena focusing on the role of CATV operators and service providers in general and of the small and medium ones in particular. Keywords: Telecommunication networks; Optical communication; Cable television; kabelová televize Available at various institutes of the ASCR
The role of small and medium CATV operators in providing e-services in the Czech Republic

As the demand for broadband e-services is increasing, there is a good chance for the cable TV operators to successfully compete with the traditional telecommunication operators in providing the ...

Kuchar, Anton; Klíma, P.
Ústav fotoniky a elektroniky, 2009

ŘEČ A POČITAČ Principy hlasové komunikace,úlohy, metody a aplikace
Nouza, J.; Koldovský, Z.; Vích, Robert
2009 - Czech
The aim of the proceedings is to supply a detailed insight into computer speech processing. The publication results in the framework of the program „Support of the targeted research“ at the AS CR, in the project „Assistance, information and communication services based on advanced voice technology“. Keywords: speech analysis; Speech synthesis; syntéza řeči Available at various institutes of the ASCR
ŘEČ A POČITAČ Principy hlasové komunikace,úlohy, metody a aplikace

The aim of the proceedings is to supply a detailed insight into computer speech processing. The publication results in the framework of the program „Support of the targeted research“ at the AS CR, in ...

Nouza, J.; Koldovský, Z.; Vích, Robert
Ústav fotoniky a elektroniky, 2009

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