Determination of CO2 sensitivity of micro-organisms in shaken bioreactors. II. Novel online monitoring method

2010 ◽  
Vol 57 (4) ◽  
pp. 167-175 ◽  
Author(s):  
Ghassem Amoabediny ◽  
Mahdi Pesaran Haji Abbas ◽  
Jochen Büchs
Keyword(s):  
Online Monitoring ◽  
Monitoring Method ◽  
Co2 Sensitivity ◽  
Micro Organisms ◽  
Shaken Bioreactors

scholarly journals ESR as a monitoring method of the interactions between TEMPO-functionalized magnetic nanoparticles and yeast cells

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Ryszard Krzyminiewski ◽  
Bernadeta Dobosz ◽  
Grzegorz Schroeder ◽  
Joanna Kurczewska
Keyword(s):  
Magnetic Nanoparticles ◽  
Drug Carriers ◽  
Magnetic Core ◽  
Yeast Cells ◽  
Spin Labels ◽  
Monitoring Method ◽  
Functionalized Magnetic Nanoparticles ◽  
Spin Resonance

AbstractPotential application of magnetic nanoparticles as drug carriers in medical treatment requires prior determination of their effects on cells. In this work different spin labels and magnetic nanoparticles functionalized with spin labels as well as their interaction with yeast cells were investigated using electron spin resonance (ESR) method. ESR was demonstrated to be a suitable method for monitoring of magnetic core and attached spin labels. Particular emphasis was placed on characterization of endocytosis and redox processes running inside the cell, resulting in recombination of spin labels. Such data could only be obtained at reduced temperature of ESR measurements.

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