Charge Transport in Bifidobacterium animalis subsp.lactis BB-12 under Various Atmospheres - Open Journal of Applied Sciences

OJAppS > Vol.9 No.6, June 2019

Charge Transport in Bifidobacterium animalis subsp.lactis BB-12 under Various Atmospheres ()

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DOI: 10.4236/ojapps.2019.96040 798 Downloads 2,324 Views Citations

Author(s)

K. Bozkurt^1*, C. Denktas¹, O. Ozdemir¹, A. Altındal¹, Z. Avdan², H. S. Bozkurt³

Affiliation(s)

¹Physics Department, Science and Arts Faculty, Yildiz Technical University, Davutpasa Campus, Esenler Istanbul, Turkey.
²Physics Department, Science and Arts Faculty, Kocaeli University, Umuttepe Campus, Izmit Kocaeli, Turkey.
³Clinic of Gastroenterology, Medical Faculty Internal Medicine, Maltepe University, Maltepe Istanbul, Turkey.

ABSTRACT

The influence of relative humidity (RH) on quasistatic current-voltage (I-V) characteristics of Bifidobacterium animalis subsp. lactis BB-12 thin layers was studied for the first time. The value of electrical conductivity in 75% RH was found to be in the order of 10^-7 (ohm·cm)^-1, which was 10⁶ orders of magnitude higher than that observed in dry atmosphere. It was concluded that RH played a key role in hysteresis behavior of the measured (I-V) characteristics. FTIR measurements showed that under water moisture environment, the associated bonds between amine and carboxyl group were greatly strengthened that was the source of free charge carries after ionization. The surface charge of Bifidobacterium animalis subsp. lactis BB-12 was found to be negative by zeta potential measurements, claiming that electrons were the charge carriers.

KEYWORDS

Bifidobacterium animalis subsp.lactis BB-12, Charge Transport, FTIR, Zeta Potential

Share and Cite:

Bozkurt, K. , Denktas, C. , Ozdemir, O. , Altındal, A. , Avdan, Z. and Bozkurt, H. (2019) Charge Transport in Bifidobacterium animalis subsp.lactis BB-12 under Various Atmospheres. Open Journal of Applied Sciences, 9, 506-514. doi: 10.4236/ojapps.2019.96040.

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