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| "description": "**Title:** Molecular Dynamics Simulations Unveil | | "description": "**Title:** Molecular Dynamics Simulations Unveil |
| the Aggregation Patterns and Salting Out of Polyarginines at | | the Aggregation Patterns and Salting Out of Polyarginines at |
| Zwitterionic POPC Bilayers in Solutions of Various Ionic Strengths. | | Zwitterionic POPC Bilayers in Solutions of Various Ionic Strengths. |
| \r\n**Author(s):** Man Nguyen Thi Hong, Mario Vazdar. \r\n**DOI:** | | \r\n**Author(s):** Man Nguyen Thi Hong, Mario Vazdar. \r\n**DOI:** |
| 10.1101/2024.04.24.590968 \r\n**Publication Date:** April 24, 2024. | | 10.1101/2024.04.24.590968 \r\n**Publication Date:** April 24, 2024. |
| \r\n**Resource Type:** Preprint (DOI provided). \r\n**Format:** PDF. | | \r\n**Resource Type:** Preprint (DOI provided). \r\n**Format:** PDF. |
| \r\n**Working Group:** WG2. \r\n**Affiliation:** Institute of Organic | | \r\n**Working Group:** WG2. \r\n**Affiliation:** Institute of Organic |
| Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, | | Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, |
| Czech Republic; \r\nUniversity of Chemistry and Technology, Prague, | | Czech Republic; \r\nUniversity of Chemistry and Technology, Prague, |
n | Czech Republic. \r\n**Open Access:** Yes. \r\n**Keywords:** | n | Czech Republic. \r\n**Open Access Status:** Open. \r\n**Keywords:** |
| Molecular dynamics, Polyarginines, Cell-penetrating peptides, | | Molecular dynamics, Polyarginines, Cell-penetrating peptides, |
| Salting-out, POPC membranes, Peptide aggregation. | | Salting-out, POPC membranes, Peptide aggregation. |
| \r\n\r\n**Description:** \r\nThis preprint investigates the | | \r\n\r\n**Description:** \r\nThis preprint investigates the |
| adsorption and aggregation behavior of polyarginine cell-penetrating | | adsorption and aggregation behavior of polyarginine cell-penetrating |
| peptides (CPPs), specifically modeled as R9 peptides, at zwitterionic | | peptides (CPPs), specifically modeled as R9 peptides, at zwitterionic |
| phosphocholine (POPC) membranes under varying ionic strengths. Using | | phosphocholine (POPC) membranes under varying ionic strengths. Using |
| molecular dynamics (MD) simulations, the study reveals an intriguing | | molecular dynamics (MD) simulations, the study reveals an intriguing |
| **salting-out effect**, where peptide aggregation at the membrane | | **salting-out effect**, where peptide aggregation at the membrane |
| increases with peptide concentration and ionic strength. Larger | | increases with peptide concentration and ionic strength. Larger |
| aggregates, such as octamers, are observed in high ionic strength | | aggregates, such as octamers, are observed in high ionic strength |
| conditions, suggesting a significant impact on CPP translocation | | conditions, suggesting a significant impact on CPP translocation |
| across cellular membranes. The results indicate that the unique | | across cellular membranes. The results indicate that the unique |
| properties of arginine, particularly its amphiphilic guanidinium | | properties of arginine, particularly its amphiphilic guanidinium |
| (Gdm+) side chain, drive aggregation dynamics through hydrophobic-like | | (Gdm+) side chain, drive aggregation dynamics through hydrophobic-like |
| Gdm+ \u2013 Gdm+ and salt-bridge Gdm+ \u2013 C-terminus interactions. | | Gdm+ \u2013 Gdm+ and salt-bridge Gdm+ \u2013 C-terminus interactions. |
| This research contributes to the understanding of CPP membrane | | This research contributes to the understanding of CPP membrane |
| interactions and their potential role in translocation | | interactions and their potential role in translocation |
| mechanisms.\r\n\r\n", | | mechanisms.\r\n\r\n", |
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| "name": "2024_Man Nguyen Thi Hong", | | "name": "2024_Man Nguyen Thi Hong", |
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