Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Natalia Ziebacz"'
Autor:
Jacek Gapiński, Natalia Ziebacz, Agnieszka Wilk, Anna Bielejewska, Robert Hołyst, Kaloian Koynov, Hans-Jürgen Butt, Tomasz Kalwarczyk, Adam Patkowski, Ewa Zaboklicka, Jędrzej Szymański
Publikováno v:
Nano Letters. 11:2157-2163
We present a scaling formula for size-dependent viscosity coefficients for proteins, polymers, and fluorescent dyes diffusing in complex liquids. The formula was used to analyze the mobilities of probes of different sizes in HeLa and Swiss 3T3 mammal
Autor:
Robert Hołyst, Sen Hou, Natalia Ziebacz, Tomasz S. Kaminski, Tomasz Kalwarczyk, Stefan A. Wieczorek
Publikováno v:
Soft Matter. 7:3092-3099
Biochemical reactions in living systems take place in an environment crowded by various macromolecules and ligands. Therefore experimental data obtained in buffer do not reflect in vivo conditions. We have used glycerol, poly(ethylene glycol) (PEG) 6
Autor:
Tomasz Kalwarczyk, Hongguang Li, Natalia Ziebacz, Stefan A. Wieczorek, Robert Hołyst, Damian Pociecha, Ewa Gorecka, Jingcheng Hao, Xia Xin, Tomasz Szymborski
Publikováno v:
Langmuir. 26:34-40
Aggregate transitions in salt-free catanionic surfactant mixtures of tetradecyltrimethylammonium hydroxide (TTAOH)/fatty acid were investigated as a function of surfactant concentration and temperature. Lauric acid (LA), myristic acid (MA), and palmi
Publikováno v:
Langmuir. 24:6433-6440
We study the separation in the binary and ternary mixtures of the water/surfactant C12E5/polymer PEG system. The phase separation in the mixtures at late stages is governed by two distinct mechanisms: the coalescence-induced coalescence and the dropl
Publikováno v:
The Journal of Physical Chemistry B. 111:11907-11914
We studied mixing in the initially separated binary mixture of polystyrene/5CB liquid crystal and ternary mixtures of water/surfactant C12E5/polymer PEG system. In both systems the domains of one phase were characterized by a much higher viscosity th
Publikováno v:
ChemPhysChem. 10:2620-2622
The phase separation pro-cess is slow, both in the sense of actual time (of minutes tohours) and—as it is controlled by diffusion—in the sense ofthe power law evolution of the mean size of the domains. Inaddition to the traditional adjustment of
Publikováno v:
Nanoscale
We identified a mechanism of fluorescence quenching of CdSe/ZnS quantum dots (QDs) coated with two organic layers, octadecylamine and an amphiphilic polymer containing COOH groups, by nonionic polyoxyethylene-based (C12En) surfactants. The surfactant
Autor:
Douglas B. Weibel, Sen Hou, Tomasz S. Kaminski, Marcin Tabaka, Robert Hołyst, Marie H. Foss, Stefan A. Wieczorek, Krzysztof Nieznanski, Nohemy A. Sorto, Natalia Ziebacz, Martin Thanbichler, Jared T. Shaw, Piotr Garstecki
Publikováno v:
The Journal of biological chemistry. 287(28)
The self-assembly of the tubulin homologue FtsZ at the mid-cell is a critical step in bacterial cell division. We introduce dynamic light scattering (DLS) spectroscopy as a new method to study the polymerization kinetics of FtsZ in solution. Analysis
Autor:
Marcin Tabaka, Andrzej Zywocinski, Adam Patkowski, Jacek Gapiński, Robert Hołyst, Agnieszka Wilk, Natalia Ziebacz, Jędrzej Szymański, Ewelina Kalwarczyk, Tomasz Kalwarczyk, Anna Bielejewska, Stefan A. Wieczorek
Publikováno v:
Physical chemistry chemical physics : PCCP. 11(40)
We measured the viscosity of poly(ethylene glycol) (PEG 6000, 12,000, 20,000) in water using capillary electrophoresis and fluorescence correlation spectroscopy with nanoscopic probes of different diameters (from 1.7 to 114 nm). For a probe of diamet
Autor:
Ewelina Kalwarczyk, Stefan A. Wieczorek, Ewa Gorecka, Xia Xin, Natalia Ziebacz, Damian Pociecha, Robert Hołyst, Hongguang Li, Tomasz Szymborski
Publikováno v:
Langmuir : the ACS journal of surfaces and colloids. 26(5)
Single-walled carbon nanotubes (SWNTs) were incorporated into a lyotropic liquid crystal (LLC) matrix formed by n-dodecyl octaoxyethene monoether (C(12)E(6)) at room temperature through spontaneous phase separation induced by nonionic hydrophilic pol