Study of charge transfer process in system of «hemoglobinelectrode » at level of individual molecules

Authors

  • Надим Анварович Давлеткильдеев Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia
  • Денис Витальевич Соколов Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia
  • Екатерина Андреевна Зимбович Dostoevsky Omsk State University, Omsk, Russia
  • Евгений Юрьевич Мосур Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia
  • Иван Андреевич Лобов Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia

DOI:

https://doi.org/10.25206/1813-8225-2018-159-71-74

Keywords:

hemoglobin, conductive atomic force microscopy, electronic transport, non-resonant tunneling

Abstract

The process of electron transfer through an individual hemoglobin molecule (Hb) has been studied by conductive atomic force
microscopy. It is shown that the current through the Hb molecule arises at applied force equal 45 nN. According to estimates, the height of the deformed molecule is 4,5 nm. Based on the analysis of the experimental I-V characteristic of the probe/Hb/substrate contact using of the non-resonant tunneling transport model, the parameters of tunnel electron transport through the individual Hb molecule are determined.

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Author Biographies

Надим Анварович Давлеткильдеев, Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia

кандидат физико-математических наук, доцент (Россия), старший научный сотрудник лаборатории физики наноматериалов и гетероструктур Омского научного центра СО РАН (ОНЦ СО РАН).

Денис Витальевич Соколов, Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia

младший научный сотрудник лаборатории физики наноматериалов и гетероструктур ОНЦ СО РАН.

Екатерина Андреевна Зимбович, Dostoevsky Omsk State University, Omsk, Russia

магистрант гр. ФФМ-501-О-24 физического факультета Омского государственного университета им. Ф. М. Достоевского.

Евгений Юрьевич Мосур, Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia

кандидат физико-математических наук, доцент (Россия), старший научный сотрудник лаборатории физики наноматериалов и гетероструктур ОНЦ СО РАН.

Иван Андреевич Лобов, Omsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences, Omsk, Russia

инженер-технолог лаборатории физики наноматериалов и гетероструктур ОНЦ СО РАН.

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Published

2018-07-04

How to Cite

[1]
Давлеткильдеев, Н.А., Соколов, Д.В., Зимбович, Е.А., Мосур, Е.Ю. and Лобов, И.А. 2018. Study of charge transfer process in system of «hemoglobinelectrode » at level of individual molecules. Omsk Scientific Bulletin. 3(159) (Jul. 2018), 71–74. DOI:https://doi.org/10.25206/1813-8225-2018-159-71-74.

Issue

No. 3(159) (2018)

Section

Instrument Engineering, Metrology and Information-Measuring Devices and Systems

License

Non-exclusive rights to the article are transferred to the journal in full accordance with the Creative Commons License BY-NC-SA 4.0 «Attribution-NonCommercial-ShareAlike 4.0 Worldwide License (CC BY-NC-SA 4.0»)

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