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pro vyhledávání: '"Roland Stracke"'
Publikováno v:
Electromagnetic Biology and Medicine. 24:319-330
The effects of both constant (up to 2 × 103 V/m) and high-frequency alternating fields (up to 2.1 × 105 V/m, 200 kHz to 2 MHz) on suspended microtubules are investigated. At pH 6.8 and 120 mM ionic strength, constant fields cause a motion of microt
Publikováno v:
Nanotechnology. 12:238-244
Conventional kinesin is a motor protein which translocates organelles from cell centre to cell periphery along specialized filamentous tracks, called microtubules. The direction of translocation is determined by microtubule polarity. This process of
Publikováno v:
Cell Biology International. 24:335-341
So far, there has been a discrepancy between the velocities of kinesin-dependent microtubule motility measured in vitro and within cells. By changing ATP, Mg(2+), and kinesin concentrations, pH and ionic strength, we tried to find conditions that fav
Publikováno v:
Nanotechnology. 11:52-56
Kinesin is a microtubule-associated protein, converting chemical into mechanical energy. Based on its ability to also work outside cells, it has recently been shown that this biological machinery might be usable for nanotechnological developments. Po
Publikováno v:
Cell biology international. 27(3)
Publikováno v:
Biochemical and biophysical research communications. 293(1)
By video contrast microscopy, individual microtubules formed from pure tubulin in the presence of taxol were studied in constant electric fields. At nearly physiological conditions, i.e., in a buffer at pH 6.8 and 120 mM ionic strength, suspended mic
Publikováno v:
FEBS letters. 466(1)
DeCuevas et al. [J. Cell Biol. 116 (1992) 957-965] demonstrated by circular dichroism spectroscopy for the kinesin stalk fragment that shifting temperature from 25 to 30 degrees C caused a conformational transition. To gain insight into functional co
Publikováno v:
Journal of Microscopy. 121:185-189
SUMMARY In the course of preparing specimens for scanning electron microscopy, both glutaraldehyde and OsO4-fixed cells exhibit a considerable shrinkage with a reduction of the mean cellular diameter of about 45% after critical point drying. However,
Autor:
Roland Stracke, Karl-Hermann Schmidt
Publikováno v:
Zentralblatt fur Bakteriologie, Mikrobiologie, und Hygiene. Series A, Medical microbiology, infectious diseases, virology, parasitology. 262(4)
A simple semiquantitative method for determination of IgG-binding structures on bacteria by direct fluorescence technique is described. The fluorescence of bacterial bound IgG-FITC-conjugate was measured in a paste-like bacterial sediment by using a