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Influence of silicon nanocone on cell membrane self-sealing capabilities for targeted drug delivery—Computer simulation study
University of Silesia in Katowice, Faculty of Science and Technology, 75 Pułku Piechoty 1A, Chorzów, 41-500, Poland.
University of Silesia in Katowice, Faculty of Science and Technology, 75 Pułku Piechoty 1A, Chorzów, 41-500, Poland.ORCID iD: 0000-0001-9472-0620
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemistry, Surface and Corrosion Science. Institute of Mathematics and Physics, UTP University of Science and Technology, Bydgoszcz, 85-796, Poland.
Faculty of Telecommunications, Computer Science and Electrical Engineering, UTP University of Science and Technology, Bydgoszcz, 85-796, Poland.ORCID iD: 0000-0003-1092-1279
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2023 (English)In: Archives of Biochemistry and Biophysics, ISSN 0003-9861, E-ISSN 1096-0384, Vol. 749, article id 109802Article in journal (Refereed) Published
Abstract [en]

Efficient and non-invasive techniques of cargo delivery to biological cells are the focus of biomedical research because of their great potential importance for targeted drug therapy. Therefore, much effort is being made to study the characteristics of using nano-based biocompatible materials as systems that can facilitate this task while ensuring appropriate self-sealing of the cell membrane. Here, we study the effects of indentation and withdrawal of nanocone on phospholipid membrane by applying steered molecular dynamics (SMD) technique. Our results show that the withdrawal process directly depends on the initial position of the nanocone. The average force and work are considerably more significant in case of the withdrawal starting from a larger depth. This result is attributed to stronger hydrophobic interactions between the nanocone and lipid tails of the membrane molecules. Furthermore, when the indenter was started from the lower initial depth, the number of lipids removed from the membrane was several times smaller than the deeper indentation. The choice of the least invasive method for nanostructure-assisted drug delivery is crucial for possible applications in medicine. Therefore, the results presented in this work might be helpful in efficient and safe drug delivery with nanomaterials.

Place, publisher, year, edition, pages
Elsevier BV , 2023. Vol. 749, article id 109802
Keywords [en]
Computer simulations, Molecular dynamics, Nanocone, Nanoindentation
National Category
Biochemistry Molecular Biology
Identifiers
URN: urn:nbn:se:kth:diva-347516DOI: 10.1016/j.abb.2023.109802ISI: 001109010700001PubMedID: 37913856Scopus ID: 2-s2.0-85175435068OAI: oai:DiVA.org:kth-347516DiVA, id: diva2:1868296
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QC 20240611

Available from: 2024-06-11 Created: 2024-06-11 Last updated: 2025-02-20Bibliographically approved

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Górny, KrzysztofBeldowski, PiotrMarciniak, BeataPöschel, ThorstenDendzik, Zbigniew
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