National Repository of Grey Literature 12 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Caspase 3 chemiluminiscence activity determination in apoptotic cells and design of Caspase 3 sensor
Lišková, Marcela ; Klepárník, Karel ; Pazdera, P. ; Foret, František
Apoptosis, or programmed cell death, is an essential physiological process that plays a critical role in development of tumor or autoimmune disorders. In some instances knowledges of this pathway can be used for inhibit or prevent cancer development and other diseases. One of the earliest and most consistent observed features of apoptosis is the induction of a series of cytosolic proteases – caspases.
Sensor based on Förster resonance energy transfer with quantum dot
Lišková, Marcela ; Datinská, Vladimíra ; Klepárník, Karel ; Foret, František
Förster resonance energy transfers (FRET) are based on the nonradiative transfer of energy between a donor and acceptor dye in the distance 1-10 nm. With respect to this, quantum dots (QDs) with a high absorbance can serve as suitable donors of energy in FRET. Here, we present architectures of two sensors based on QD conjugates useful in imaging and diagnostics of cancer. One sensor, based on an oligonucleotide conjugate, can be used for the detection of complementary oligonucletide chains. The other was designed for the detection of enzymes inside cells.
CECE 2011. 8th International Interdisciplinary Meeting on Bioanalysis
Foret, František
Sborník obsahuje program, abstrakta 17 zvaných přednášek s krátkou informací o profesionální dráze řečníků a abstrakta posterů.
Preparation of highly luminescent CdTe quantum dots and its probes
Voráčová, Ivona ; Lišková, Marcela ; Patrmanová, M. ; Klepárník, Karel ; Foret, František
Luminescence probes consisting of quantum dots conjugated with macrocyclic ligand complex were characterized by CE-LIF.
Luminescence of nanoparticles - quantum dots
Voráčová, Ivona
Compilation of materials, physical-chemical properties, synthesis and applications of quantum dots.
Immunofluorescent labeling of tissues and free cells via QD-protein conjugates
Lišková, Marcela ; Voráčová, Ivona ; Hezinová, Věra ; Klepárník, Karel ; Foret, František
Preparation of quantum dots and using their QD-protein conjugates in immunofluorescent labeling of cells and tissues. For conjugation was used method viaEDC/sulfo-NHS zero-length cross-linkers. We linked QD with annexin V, anti-CD3 and anti-PCNA. We labeled T-lymphocytes, apoptotic lymphocyte, mouse duodenum tissue and tumor tissue.
Preparation, physical-chemical properties and utilization of nanoparticles in bioanalysis
Svobodová, Ivona ; Hezinová, Věra ; Lišková, Marcela ; Přikryl, Jan ; Maděránková, D. ; Klepárník, Karel ; Foret, František
The possibilities of application of nanoparticles in bioanalysis were studied. Applications of quantum dots as a fluorescent markers, silver nanoparticles in SERS and conjucation of gold nanoparticles with antibodies were shown.
Application of nanoparticles in fluorescence microscopy and raman spectrometry
Přikryl, Jan ; Svobodová, Ivona ; Hezinová, Věra ; Lišková, Marcela ; Maděránková, D. ; Klepárník, Karel ; Foret, František
This contribution is devoted to application of quantum dots as perspective luminescence labels in fluorescence microscopy (epifocal and TIR fluorescence microscopy) and application of silver nanoparticles in surface-enhanced Raman spectroscopy.
CdTe kvantové tečky - příprava, fyzikálně-chemické vlastnosti a aplikace jako fluorescenční značky
Hezinová, Věra ; Svobodová, Ivona ; Lišková, Marcela ; Přikryl, Jan ; Klepárník, Karel ; Foret, František
The set of different sizes of CdTe nanoparticles coated with MPA was synthetized and characterized by fluorescence spectra and lifetimes. Their application as a cell fluorescent markers was tested.
Surface enhanced Raman spectroscopy
Maděránková, D. ; Provazník, I. ; Klepárník, Karel
The signal of Raman scattering in carotene solutions, enhanced on silver colloid particles was studied. The dependence of the enhancement factor on the concentration of silver particles demonstrates the potential of the method for biological applications.

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