Search Results - "Jonáš, Alexandr"

Mechanical Contact Spectroscopy: Characterizing Nanoscale Adhesive Contacts via Thermal Forces by Jonáš, Alexandr, Kochanczyk, Martin, Ramirez, Alexandro D, Speidel, Michael, Florin, Ernst-Ludwig

“…The adhesion of micro- and nanoparticles to solid substrates immersed in liquids is a problem of great scientific and technological importance. However, the…”
Get full text

Surface delivery of a single nanoparticle under moving evanescent standing-wave illumination by Šiler, Martin, Čižmár, Tomáš, Jonáš , Alexandr, Zemánek, Pavel

Get full text

Probing Microscopic Wetting Properties of Superhydrophobic Surfaces by Vibrated Micrometer-Sized Droplets by Jonáš, Alexandr, Karadag, Yasin, Tasaltin, Nevin, Kucukkara, Ibrahim, Kiraz, Alper

“…We determine contact angles of micrometer-sized NaCl−water droplets on superhydrophobic surfaces by analyzing their lowest-order axisymmetric vibrational…”
Get full text

Light at work: The use of optical forces for particle manipulation, sorting, and analysis by Jonas, Alexandr, Zemanek, Pavel

“…We review the combinations of optical micro-manipulation with other techniques and their classical and emerging applications to non-contact optical separation…”
Get full text

Effects of Infrared Optical Trapping on Saccharomyces cerevisiae in a Microfluidic System by Pilat, Zdeněk, Jonaš, Alexandr, Ježek, Jan, Zemanek, Pavel

“…Baker's yeast ( ) represents a very popular single-celled eukaryotic model organism which has been studied extensively by various methods and whose genome has…”
Get full text

Thermal Fluctuations of Grafted Microtubules Provide Evidence of a Length-Dependent Persistence Length by Pampaloni, Francesco, Lattanzi, Gianluca, Jonáš, Alexandr, Surrey, Thomas, Frey, Erwin, Florin, Ernst-Ludwig

“…Microtubules are hollow cylindrical structures that constitute one of the three major classes of cytoskeletal filaments. On the mesoscopic length scale of a…”
Get full text

Theoretical comparison of optical traps created by standing wave and single beam by ZEMANEK, Pavel, JONAS, Alexandr, JAKL, Petr, JEZEK, Jan, SERY, Mojmir, LISKA, Miroslav

“…We used generalised Lorenz–Mie scattering theory (GLMT) to compare submicron-sized particle optical trapping in a single focused beam and a standing wave. We…”
Get full text

An aerogel-based photocatalytic microreactor driven by light guiding for degradation of toxic pollutants by Özbakır, Yaprak, Jonáš, Alexandr, Kiraz, Alper, Erkey, Can

“…[Display omitted] •A new type of photocatalytic microreactor based on composite aerogel was developed.•Light can be efficiently guided along the reactor by…”
Get full text

Size-Based Sorting of Emulsion Droplets in Microfluidic Channels Patterned with Laser-Ablated Guiding Tracks by Rehman, Ateeq Ur, Coskun, Umut C, Rashid, Zeeshan, Morova, Berna, Jonáš, Alexandr, Erten, Ahmet, Kiraz, Alper

“…We demonstrate an autonomous, high-throughput mechanism for sorting of emulsion droplets with different sizes concurrently flowing in a microfluidic Hele-Shaw…”
Get full text

In vitro and in vivo biolasing of fluorescent proteins suspended in liquid microdroplet cavities by Jonáš, Alexandr, Aas, Mehdi, Karadag, Yasin, Manioğlu, Selen, Anand, Suman, McGloin, David, Bayraktar, Halil, Kiraz, Alper

“…Fluorescent proteins are indispensable for selective, quantitative visualization of localization, dynamics, and interactions of key molecular constituents of…”
Get more information

Optically Transportable Optofluidic Microlasers with Liquid Crystal Cavities Tuned by the Electric Field by Jonáš, Alexandr, Pilát, Zdeněk, Ježek, Jan, Bernatová, Silvie, Jedlička, Petr, Aas, Mehdi, Kiraz, Alper, Zemánek, Pavel

“…Liquid crystal microdroplets with readily adjustable optical properties have attracted considerable attention for building reconfigurable optofluidic…”
Get full text

Reversible switching of wetting properties and erasable patterning of polymer surfaces using plasma oxidation and thermal treatment by Rashid, Zeeshan, Atay, Ipek, Soydan, Seren, Yagci, M. Baris, Jonáš, Alexandr, Yilgor, Emel, Kiraz, Alper, Yilgor, Iskender

“…[Display omitted] •Surfaces with switchable wettability between superhydrophobic and superhydrophilic states were prepared.•Oxygen plasma was used to obtain…”
Get full text

Raman microspectroscopy of individual algal cells: sensing unsaturation of storage lipids in vivo by Samek, Ota, Jonáš, Alexandr, Pilát, Zdeněk, Zemánek, Pavel, Nedbal, Ladislav, Tříska, Jan, Kotas, Petr, Trtílek, Martin

“…Algae are becoming a strategic source of fuels, food, feedstocks, and biologically active compounds. This potential has stimulated the development of…”
Get full text

Analysis of Bacteriophage–Host Interaction by Raman Tweezers by Pilát, Zdeněk, Jonáš, Alexandr, Pilátová, Jana, Klementová, Tereza, Bernatová, Silvie, Šiler, Martin, Maňka, Tadeáš, Kizovský, Martin, Růžička, Filip, Pantůček, Roman, Neugebauer, Ute, Samek, Ota, Zemánek, Pavel

“…Bacteriophages, or “phages” for short, are viruses that replicate in bacteria. The therapeutic and biotechnological potential of phages and their lytic enzymes…”
Get full text

Total internal reflection-based optofluidic waveguides fabricated in aerogels by Özbakır, Yaprak, Jonáš, Alexandr, Kiraz, Alper, Erkey, Can

“…Liquid-core optofluidic waveguides based on total internal reflection of light were built in water-filled cylindrical microchannels fabricated in hydrophobic…”
Get full text

Passive sorting of emulsion droplets with different interfacial properties using laser-patterned surfaces by Rashid, Zeeshan, Erten, Ahmet, Morova, Berna, Muradoglu, Metin, Jonáš, Alexandr, Kiraz, Alper

“…We demonstrate passive sorting of emulsion microdroplets based on differences in their interfacial tension and contact angle. The sorted droplets are flowing…”
Get full text

Spectral tuning of lasing emission from optofluidic droplet microlasers using optical stretching by Aas, Mehdi, Jonáš, Alexandr, Kiraz, Alper, Brzobohatý, Oto, Ježek, Jan, Pilát, Zdeněk, Zemánek, Pavel

“…We introduce tunable optofluidic microlasers based on active optical resonant cavities formed by optically stretched, dye-doped emulsion droplets confined in a…”
Get full text

Determination of composition of ethanol-CO2 mixtures at high pressures using frequency response of microcantilevers by Baloch, Shadi Khan, Jonáš, Alexandr, Kiraz, Alper, Alaca, B. Erdem, Erkey, Can

“…[Display omitted] •Frequency response of microcantilever immersed in ethanol-CO2 binary mixture at high pressures was investigated.•Composition of ethanol-CO2…”
Get full text

Direct measurement of the nonconservative force field generated by optical tweezers by Wu, Pinyu, Huang, Rongxin, Tischer, Christian, Jonas, Alexandr, Florin, Ernst-Ludwig

“…The force field of optical tweezers is commonly assumed to be conservative, neglecting the complex action of the scattering force. Using a novel method that…”
Get full text

Stochastic dynamics of optically bound matter levitated in vacuum by Svak, Vojtěch, Flajšmanová, Jana, Chvátal, Lukáš, Šiler, Martin, Jonáš, Alexandr, Ježek, Jan, Simpson, Stephen H., Zemánek, Pavel, Brzobohatý, Oto

“…Optically levitated nanoparticles in a vacuum offer a light–matter interface with broad and easy tunability of all key system parameters. However, the majority…”
Get full text