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Aliakbarinodehi N, Gallud A, Mapar M, Wesén E, Heydari S, Jing Y, Emilsson G, Liu K, Sabirsh A, Zhdanov VP, Lindfors L, Esbjörner EK, Höök F. Interaction Kinetics of Individual mRNA-Containing Lipid Nanoparticles with an Endosomal Membrane Mimic: Dependence on pH, Protein Corona Formation, and Lipoprotein Depletion. ACS NANO 2022; 16:20163-20173. [PMID: 36511601 PMCID: PMC9798854 DOI: 10.1021/acsnano.2c04829] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 12/06/2022] [Indexed: 06/04/2023]
Abstract
Lipid nanoparticles (LNPs) have emerged as potent carriers for mRNA delivery, but several challenges remain before this approach can offer broad clinical translation of mRNA therapeutics. To improve their efficacy, a better understanding is required regarding how LNPs are trapped and processed at the anionic endosomal membrane prior to mRNA release. We used surface-sensitive fluorescence microscopy with single LNP resolution to investigate the pH dependency of the binding kinetics of ionizable lipid-containing LNPs to a supported endosomal model membrane. A sharp increase of LNP binding was observed when the pH was lowered from 6 to 5, accompanied by stepwise large-scale LNP disintegration. For LNPs preincubated in serum, protein corona formation shifted the onset of LNP binding and subsequent disintegration to lower pH, an effect that was less pronounced for lipoprotein-depleted serum. The LNP binding to the endosomal membrane mimic was observed to eventually become severely limited by suppression of the driving force for the formation of multivalent bonds during LNP attachment or, more specifically, by charge neutralization of anionic lipids in the model membrane due to their association with cationic lipids from earlier attached LNPs upon their disintegration. Cell uptake experiments demonstrated marginal differences in LNP uptake in untreated and lipoprotein-depleted serum, whereas lipoprotein-depleted serum increased mRNA-controlled protein (eGFP) production substantially. This complies with model membrane data and suggests that protein corona formation on the surface of the LNPs influences the nature of the interaction between LNPs and endosomal membranes.
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Affiliation(s)
- Nima Aliakbarinodehi
- Division
of Nano and Biophysics, Department of Physics, Chalmers University of Technology 41296 Göteborg, Sweden
| | - Audrey Gallud
- Division
of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Mokhtar Mapar
- Division
of Nano and Biophysics, Department of Physics, Chalmers University of Technology 41296 Göteborg, Sweden
| | - Emelie Wesén
- Division
of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Sahar Heydari
- Division
of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Yujia Jing
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Gustav Emilsson
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Kai Liu
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Alan Sabirsh
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Vladimir P. Zhdanov
- Division
of Nano and Biophysics, Department of Physics, Chalmers University of Technology 41296 Göteborg, Sweden
- Boreskov
Institute of Catalysis, Russian Academy
of Sciences, Novosibirsk 630090, Russia
| | - Lennart Lindfors
- Advanced
Drug Delivery, Pharmaceutical Sciences,
R&D, AstraZeneca, 43181 Gothenburg, Sweden
| | - Elin K. Esbjörner
- Division
of Chemical Biology, Department of Biology and Biological Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Fredrik Höök
- Division
of Nano and Biophysics, Department of Physics, Chalmers University of Technology 41296 Göteborg, Sweden
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2
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Surface-functionalized fluorescent carbon dots (CDs) for dual-mode detection of lead ions. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02307-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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3
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Abstract
Electrostatic interactions near surfaces and interfaces are ubiquitous in many fields of science. Continuum electrostatics predicts that ions will be attracted to conducting electrodes but repelled by surfaces with lower dielectric constant than the solvent. However, several recent studies found that certain "chaotropic" ions have similar adsorption behavior at air/water and graphene/water interfaces. Here we systematically study the effect of polarization of the surface, the solvent, and solutes on the adsorption of ions onto the electrode surfaces using molecular dynamics simulation. An efficient method is developed to treat an electrolyte system between two parallel conducting surfaces by exploiting the mirror-expanded symmetry of the exact image-charge solution. With neutral surfaces, the image interactions induced by the solvent dipoles and ions largely cancel each other, resulting in no significant net differences in the ion adsorption profile regardless of the surface polarity. Under an external electric field, the adsorption of ions is strongly affected by the surface polarization, such that the charge separation across the electrolyte and the capacitance of the cell is greatly enhanced with a conducting surface over a low-dielectric-constant surface. While the extent of ion adsorption is highly dependent on the electrolyte model (the polarizability of solvent and solutes, as well as the van der Waals radii), we find the effect of surface polarization on ion adsorption is consistent throughout different electrolyte models.
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4
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Johnston ST, Faria M, Crampin EJ. Understanding nano-engineered particle-cell interactions: biological insights from mathematical models. NANOSCALE ADVANCES 2021; 3:2139-2156. [PMID: 36133772 PMCID: PMC9417320 DOI: 10.1039/d0na00774a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 03/08/2021] [Indexed: 05/02/2023]
Abstract
Understanding the interactions between nano-engineered particles and cells is necessary for the rational design of particles for therapeutic, diagnostic and imaging purposes. In particular, the informed design of particles relies on the quantification of the relationship between the physicochemical properties of the particles and the rate at which cells interact with, and subsequently internalise, particles. Quantitative models, both mathematical and computational, provide a powerful tool for elucidating this relationship, as well as for understanding the mechanisms governing the intertwined processes of interaction and internalisation. Here we review the different types of mathematical and computational models that have been used to examine particle-cell interactions and particle internalisation. We detail the mathematical methodology for each type of model, the benefits and limitations associated with the different types of models, and highlight the advances in understanding gleaned from the application of these models to experimental observations of particle internalisation. We discuss the recent proposal and ongoing community adoption of standardised experimental reporting, and how this adoption is an important step toward unlocking the full potential of modelling approaches. Finally, we consider future directions in quantitative models of particle-cell interactions and highlight the need for hybrid experimental and theoretical investigations to address hitherto unanswered questions.
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Affiliation(s)
- Stuart T Johnston
- School of Mathematics and Statistics, University of Melbourne Parkville Victoria 3010 Australia
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
| | - Matthew Faria
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
| | - Edmund J Crampin
- ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, Melbourne School of Engineering, University of Melbourne Parkville Victoria 3010 Australia
- Systems Biology Laboratory, School of Mathematics and Statistics, Department of Biomedical Engineering, University of Melbourne Parkville Victoria 3010 Australia
- School of Medicine, Faculty of Medicine Dentistry and Health Sciences, University of Melbourne Parkville Victoria 3010 Australia
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5
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He X, Li L, Yang Y, Dong Z, Wang L, Qu Z, Xu F. Tailoring patchy nanoparticle design to modulate serum albumin adsorption and membrane interaction. SOFT MATTER 2021; 17:2071-2080. [PMID: 33438710 DOI: 10.1039/d0sm01889a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
When nanoparticles (NPs) enter into the biological system, a wide range of proteins will coat on their surfaces forming protein corona, which changes the initial synthetic characteristics of NPs to the biological identity, resulting in the loss of their targets or specially designed properties. Although pre-coating with proteins would reduce the protein corona formation, they may diminish the targeting moieties in the transport process. Patchy NPs can offer unique advantages of asymmetry, heterogeneity, and multi-functions. This has inspired us to use the asymmetry to realize the versatility of NPs, to accommodate stealth and targeting functions. In this study, we performed molecular dynamics simulations to investigate the adsorption mechanism between patchy NPs and human serum albumin, and the interaction mechanism between NP-HSA and the membrane. The results show that there is a high probability for HSA to interact with the hydrophobic, or charged brushes of patchy NPs. The adsorption sites, as calculated through the contact probability between NPs and the residues, depend on the NP surface properties. Furthermore, the HSA adsorption on NPs could improve the NP-membrane interaction. The simulation results provide deep understanding of the NP interaction mechanism, which would help the NP design for their biomedical applications.
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Affiliation(s)
- Xiaocong He
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, P. R. China. and Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Lingxiao Li
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, P. R. China. and Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Yuanyuan Yang
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, P. R. China. and Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P. R. China
| | - Zhaotong Dong
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P. R. China and Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Lin Wang
- College of Medicine, Xi'an International University, Xi'an, P. R. China
| | - Zhiguo Qu
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, P. R. China.
| | - Feng Xu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, P. R. China. and Bioinspired Engineering and Biomechanics Center (BEBC), Xi'an Jiaotong University, Xi'an 710049, P. R. China
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Chaudhury A, Debnath K, Bu W, Jana NR, Basu JK. Penetration and preferential binding of charged nanoparticles to mixed lipid monolayers: interplay of lipid packing and charge density. SOFT MATTER 2021; 17:1963-1974. [PMID: 33427839 DOI: 10.1039/d0sm01945c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Designing of nanoparticles (NPs) for biomedical applications or mitigating their cytotoxic effects requires microscopic understanding of their interactions with cell membranes. Such insight is best obtained by studying model biomembranes which, however, need to replicate actual cell membranes, especially their compositional heterogeneity and charge. In this work we have investigated the role of lipid charge density and packing of phase separated Langmuir monolayers in the penetration and phase specificity of charged quantum dot (QD) binding. Using an ordered and anionic charged lipid in combination with uncharged but variable stiffness lipids we demonstrate how the subtle interplay of zwitterionic lipid packing and anionic lipid charge density can affect cationic nanoparticle penetration and phase specific binding. Under identical subphase pH, the membrane with higher anionic charge density displays higher NP penetration. We also observe coalescence of charged lipid rafts floating amidst a more fluidic zwitterionic lipid matrix due to the phase specificity of QD binding. Our results suggest effective strategies which can be used to design NPs for diverse biomedical applications as well as to devise remedial actions against their harmful cytotoxic effects especially against respiratory diseases.
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Affiliation(s)
- Anurag Chaudhury
- Department of Physics, Indian Institute of Science, Bangalore 560012, India.
| | - Koushik Debnath
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata-700032, India
| | - Wei Bu
- NSF's ChemMatCARS, University of Chicago, Chicago, IL 60637, USA
| | - Nikhil R Jana
- School of Materials Science, Indian Association for the Cultivation of Science, Kolkata-700032, India
| | - Jaydeep Kumar Basu
- Department of Physics, Indian Institute of Science, Bangalore 560012, India.
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7
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Zhang Y, Zhang Y, Wu J, Liu J, Kang Y, Hu C, Feng X, Liu W, Luo H, Chen A, Chen L, Shao L. Effects of carbon-based nanomaterials on vascular endothelia under physiological and pathological conditions: interactions, mechanisms and potential therapeutic applications. J Control Release 2021; 330:945-962. [DOI: 10.1016/j.jconrel.2020.10.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 10/31/2020] [Accepted: 10/31/2020] [Indexed: 12/11/2022]
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8
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Caldeira DDAF, Mesquita FM, Pinheiro FG, Oliveira DF, Oliveira LFS, Nascimento JHM, Takiya CM, Maciel L, Zin WA. Acute exposure to C60 fullerene damages pulmonary mitochondrial function and mechanics. Nanotoxicology 2020; 15:352-365. [PMID: 33370539 DOI: 10.1080/17435390.2020.1863498] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
C60 fullerene (C60) nanoparticles, a nanomaterial widely used in technology, can offer risks to humans, overcome biological barriers, and deposit onto the lungs. However, data on its putative pulmonary burden are scanty. Recently, the C60 interaction with mitochondria has been described in vitro and in vivo. We hypothesized that C60 impairs lung mechanics and mitochondrial function. Thirty-five male BALB/c mice were randomly divided into two groups intratracheally instilled with vehicle (0.9% NaCl + 1% Tween 80, CTRL) or C60 (1.0 mg/kg, FUL). Twenty-four hours after exposure, 15 FUL and 8 CTRL mice were anesthetized, paralyzed, and mechanically ventilated for the determination of lung mechanics. After euthanasia, the lungs were removed en bloc at end-expiration for histological processing. Lung tissue elastance and viscance were augmented in FUL group. Increased inflammatory cell number, alveolar collapse, septal thickening, and pulmonary edema were detected. In other six FUL and six CTRL mice, mitochondria expressed reduction in state 1 respiration [FUL = 3.0 ± 1.14 vs. CTRL = 4.46 ± 0.9 (SEM) nmol O2/min/mg protein, p = 0.0210], ATP production (FUL = 122.6 ± 18 vs. CTRL = 154.5 ± 14 μmol/100 μg protein, p = 0.0340), and higher oxygen consumption in state 4 [FUL = 12.56 ± 0.9 vs. CTRL = 8.26 ± 0.6], generation of reactive oxygen species (FUL 733.1 ± 169.32 vs. CTRL = 486.39 ± 73.1 nmol/100 μg protein, p = 0.0313) and reason ROS/ATP [FUL = 8.73 ± 2.3 vs. CTRL = 2.99 ± 0.3]. In conclusion, exposure to fullerene C60 impaired pulmonary mechanics and mitochondrial function, increased ROS concentration, and decrease ATP production.
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Affiliation(s)
- Dayene de Assis Fernandes Caldeira
- Laboratory of Respiration Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Flávia Muniz Mesquita
- Laboratory of Respiration Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Felipe Gomes Pinheiro
- Laboratory of Respiration Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Dahienne Ferreira Oliveira
- Laboratory of Proteins and Amyloidosis, Institute of Medical Biochemistry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luis Felipe Silva Oliveira
- Department of Civil and Environmental Engineering, Universidad de la Costa, Barranquilha, Colombia.,Departamento de Ingeniería Civil y Arquitectura, Universidad de Lima, Santiago de Surco, Peru
| | - Jose Hamilton Matheus Nascimento
- Laboratory of Cardiac Electrophysiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Christina Maeda Takiya
- Laboratory of Immunopathology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leonardo Maciel
- Laboratory of Cardiac Electrophysiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Walter Araujo Zin
- Laboratory of Respiration Physiology, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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9
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MUC-1 aptamer conjugated InP/ZnS quantum dots/nanohydrogel fluorescent composite for mitochondria-mediated apoptosis in MCF-7 cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111469. [PMID: 33255050 DOI: 10.1016/j.msec.2020.111469] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 07/18/2020] [Accepted: 08/26/2020] [Indexed: 12/13/2022]
Abstract
The combined use of nanohydrogels (NHGs) and quantum dots (QDs) has resulted in the development of a nanoscaled drug delivery system (DDS) with fluorescence imaging potential. NHG-QDs composite loaded with anti-cancer drugs could be applied as an effective theranostics for simultaneous diagnosis and therapy of cancer cells. Here, we report on the synthesis of NHG-QDs nanosystem (NS) conjugated with an amino-modified MUC-1 aptamer (Ap) and loaded with hydrophobic paclitaxel (PTX). To effectively target and eradicate breast cancer MCF-7 cells, the nanocomposite was further loaded with the inhibitor of lactate dehydrogenase (LDH), sodium oxamate (SO) (Ap-NHG-QDs-PTX-SO) to inhibit the conversion of pyruvate to lactate via LDH and disrupting glycolysis. Results obtained from in vitro analysis (MTT assay, apoptosis/necrosis assessment, evaluation of mitochondria targeting, and gene expression profiling) revealed that Ap-NHG-QDs-PTX-SO NS could significantly target and inhibit MCF-7 cells and also induce mitochondria-mediated apoptosis. Collectively, the Ap-NHG-QDs-PTX-SO NS is proposed to serve as a robust theranostics for simultaneous imaging and therapy of breast cancer and other types of solid tumors.
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10
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Liu Y, Yang Y, Qu Y, Li YQ, Zhao M, Li W. Mild lipid extraction and anisotropic cell membrane penetration of α-phase phosphorene carbide nanoribbons by molecular dynamics simulation studies. Phys Chem Chem Phys 2020; 22:23268-23275. [DOI: 10.1039/d0cp04145a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
α-PC penetrates the interior of membrane efficiently only along its zigzag direction rather than its armchair direction.
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Affiliation(s)
- Yang Liu
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Yanmei Yang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Key Laboratory of Molecular and Nano Probes, Ministry of Education
- Shandong Normal University
| | - Yuanyuan Qu
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Yong-Qiang Li
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Mingwen Zhao
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
| | - Weifeng Li
- School of Physics, State Key Laboratory of Crystal Materials
- Shandong University
- Jinan
- China
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11
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Chen D, Parayath N, Ganesh S, Wang W, Amiji M. The role of apolipoprotein- and vitronectin-enriched protein corona on lipid nanoparticles for in vivo targeted delivery and transfection of oligonucleotides in murine tumor models. NANOSCALE 2019; 11:18806-18824. [PMID: 31595922 DOI: 10.1039/c9nr05788a] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
The application of lipid-based nanoparticle (LNP) delivery systems remains a popular strategy for the systemic delivery of gene therapies to specific disease targets, including solid tumors. It is now well acknowledged that upon systemic administration, biomolecules from blood will adsorb onto nanoparticles' surfaces, forming a "protein corona", affording nanoparticles a "biological identity" on top of their "synthetic identity". Detailed analysis of nanoparticle protein corona is gradually revealing the "missing link" between nanoparticle chemical properties and the biological identity. Nevertheless, the discovery of nanoparticle protein corona's impact on tumor delivery is limited. In this study, we demonstrate that protein corona can be manipulated by formulation composition and particle surface charge changes, and a single lipid switch could switch the nanoparticle protein corona profile. The protein corona composition differences had a profound impact on cell transfection, in vivo biodistribution as well as tumor-specific delivery efficiency. Nanoparticles with apolipoprotein-rich corona showed better delivery to hepatocellular carcinoma (HepG2) as compared to those with vitronectin-rich corona. In addition, we found that, the PEG conjugated lipid chain length and PEG amount in LNPs were key factors to consider in successful RNA interference therapy for solid tumors.
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Affiliation(s)
- Dongyu Chen
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA 02115, USA.
| | - Neha Parayath
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA 02115, USA.
| | | | - Weimin Wang
- Dicerna Pharmaceuticals, Cambridge, MA 02140, USA
| | - Mansoor Amiji
- Department of Pharmaceutical Sciences, School of Pharmacy, Bouve College of Health Sciences, Northeastern University, Boston, MA 02115, USA. and Department of Chemical Engineering, College of Engineering, Northeastern University, Boston, MA 02115, USA
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12
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Yang E, Yao J, Wang L, Liu Y, Xiao Q, Huang S. InP/ZnS quantum dot-based fluorescent probe for directly sensitive and selective detection of horseradish peroxidase. Methods Appl Fluoresc 2019; 7:035008. [PMID: 30654340 DOI: 10.1088/2050-6120/aaff92] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
InP/ZnS quantum dot (QD)-based fluorescent probe for directly sensitive and selective detection of horseradish peroxidase (HRP) was reported herein. Fluorescence of InP/ZnS QDs was statically quenched by HRP, due to the ground state complex formation of InP/ZnS QDs with HRP. Such ground state complex formation between InP/ZnS QDs and HRP reduced both the α-helix content and the melting temperature of HRP. Several key factors including InP/ZnS QDs concentration, buffer pH value, ionic strength, reaction temperature, and reaction time those affected the analytical performance of InP/ZnS QDs in HRP determination were investigated thoroughly. Under the optimal conditions, fluorescence intensity of InP/ZnS QDs was linearly decreased with the increasing of HRP concentration during the range of 1.0 × 10-9 M ∼ 3.0 × 10-8 M (0.01 U ml-1 ∼ 0.3 U ml-1) with the detection limit as low as 1.2 × 10-10 M (1.2 mU ml-1). The present method showed excellent selectivity for HRP over some amino acids, nucleotides, and common proteins. This method was utilized to detect HRP in synthetic samples successfully.
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Affiliation(s)
- Erli Yang
- College of Chemistry and Materials Science, Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, Nanning Normal University, Nanning 530001, People's Republic of China
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13
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Chen Z, Lee WG. A switching role of hard-uptake nanoparticles in microalgae cell electroporation. Analyst 2019; 144:3581-3589. [PMID: 31065636 DOI: 10.1039/c9an00314b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The microalgal cell wall is a natural barrier that limits the efficiency of gene delivery in algae genetic engineering. Here, we report the role of hard-uptake nanoparticles (huNPs) in microalgae cell electroporation to enhance the delivery of genes in Chlamydomonas reinhardtii. This role can be divided into two categories: (i) a 'transient state' for short-term behavior under confocal visualization and (ii) a 'steady state' for long-term behavior in cell culture. First, the 'transient' role of gene-huNP complexes was investigated after washing for clear confocal imaging to observe the location of huNPs after electroporation. Second, the 'steady-state' role of the gene-huNP complexes was examined after electroporation by transferring cells to a fresh, medium-rich culture environment without washing to obtain a stable cell culture. For selection of the huNPs, we used two types of nanoparticles (NPs, 250 nm and 530 nm) larger than the threshold size of electroporation uptake to avoid unwanted endocytic uptake of NPs. In the transient state, the visualization results indicate that gene-NP (250 nm) complexes were positioned on the cells and helped to deliver more genes than did the 530 nm NPs. In the steady state, the gene-NP (530 nm) complexes helped stably deliver more genes to the cells by precipitation of NPs due to gravity. We believe that these findings illustrate how gene-NP complexes function in microalgae cell electroporation and could help set up a protocol for enhanced microalgae applications associated with NPs such as environmental waste removal and biofuel production.
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Affiliation(s)
- Zhenzhong Chen
- Department of Mechanical Engineering, Kyung Hee University, Yongin 17104, Republic of Korea.
| | - Won Gu Lee
- Department of Mechanical Engineering, Kyung Hee University, Yongin 17104, Republic of Korea.
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14
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Cheng CS, Liu TP, Chien FC, Mou CY, Wu SH, Chen YP. Codelivery of Plasmid and Curcumin with Mesoporous Silica Nanoparticles for Promoting Neurite Outgrowth. ACS APPLIED MATERIALS & INTERFACES 2019; 11:15322-15331. [PMID: 30986029 DOI: 10.1021/acsami.9b02797] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Reactive oxygen species (ROS)-induced oxidative stress leads to neuron damage and is involved in the pathogenesis of chronic inflammation in neurodegenerative diseases (NDs), such as Alzheimer's, Parkinson's, and amyotrophic lateral sclerosis. Researchers, therefore, are looking for antiinflammatory drugs and gene therapy approaches to slow down or even prevent neurological disorders. Combining therapeutics has shown a synergistic effect in the treatment of human diseases. Many nanocarriers could be designed for the simultaneous codelivery of drugs with genes to fight diseases. However, only a few researches have been performed in NDs. In this study, we developed a mesoporous silica nanoparticle (MSN)-based approach for neurodegenerative therapy. This MSN-based platform involved multiple designs in the targeted codelivery of (1) curcumin, a natural antioxidant product, to protect ROS-induced cell damage and (2) plasmid RhoG-DsRed, which is associated with the formation of lamellipodia and filopodia for promoting neurite outgrowth. At the same time, TAT peptide was introduced to the plasmid RhoG-DsRed via electrostatic interaction to elevate the efficiency of nonendocytic pathways and the nuclear plasmid delivery of RhoG-DsRed in cells for enhanced gene expression. Besides, such a plasmid RhoG-DsRed/TAT complex could work as a noncovalent gatekeeper. The release of curcumin inside the channel of the MSN could be triggered when the complex was dissociated from the MSN surface. Taken together, this MSN-based platform combining genetic and pharmacological manipulations of an actin cytoskeleton as well as oxidative stress provides an attractive way for ND therapy.
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Affiliation(s)
- Cheng-Shun Cheng
- Department of Chemistry , National Taiwan University , Taipei 106 , Taiwan
| | - Tsang-Pai Liu
- Mackay Junior College of Medicine, Nursing and Management , Taipei 112 , Taiwan
- Department of Surgery , Mackay Memorial Hospital , Taipei 104 , Taiwan
| | - Fan-Ching Chien
- Department of Optics and Photonics , National Central University , Chung-Li 320 , Taiwan
| | - Chung-Yuan Mou
- Department of Chemistry , National Taiwan University , Taipei 106 , Taiwan
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15
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Pallikkarathodi Mani N, Ganiga M, Cyriac J. MoS 2 nanohybrid as a fluorescence sensor for highly selective detection of dopamine. Analyst 2019. [PMID: 29532821 DOI: 10.1039/c7an01770g] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Fluorescence sensors for biologically active molecules are catching attention due to their good performance and simplicity. Herein, we report a fluorescence sensor for the selective and sensitive detection of dopamine (DA) in aqueous samples. MoS2 nanohybrid material composed of MoS2 quantum dots dispersed over MoS2 nanosheets (MoS2 QDNS) in alkaline medium was employed as the fluorescent probe. In the presence of DA, the photoluminescence intensity of MoS2 QDNS was quenched linearly with increasing concentration of the former. The quenching mechanism was found to operate via Förster resonance energy transfer (FRET), and the inner filter effect (IFE). The QDNS sensor demonstrates high selectivity towards DA, especially in the presence of ascorbic acid and uric acid, which are the most potential interference for DA in biological systems. The sensitivity of the system was as low as 0.9 nM and demonstrated two linear ranges from 2.5 nM to 5.0 μM and from 5.0 μM to 10.4 μM. The sensor demonstrated a remarkable ability in the analysis of real blood samples and showed excellent potential for visual detection.
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Affiliation(s)
- Neema Pallikkarathodi Mani
- Department of Chemistry, Indian Institute of Space Science and Technology, Thiruvananthapuram - 695 547, India.
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16
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Al-Qattan MN, Deb PK, Tekade RK. Molecular dynamics simulation strategies for designing carbon-nanotube-based targeted drug delivery. Drug Discov Today 2017; 23:235-250. [PMID: 29031623 DOI: 10.1016/j.drudis.2017.10.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/05/2017] [Accepted: 10/05/2017] [Indexed: 01/05/2023]
Abstract
The carbon nanotube (CNT)-based target-specific delivery of drugs, or other molecular cargo, has emerged as one of the most promising biomedical applications of nanotechnology. To achieve efficient CNT-based drug delivery, the interactions between the drug, CNT and biomolecular target need to be properly optimized. Recent advances in the computer-aided molecular design tools, in particular molecular dynamics (MD) simulation studies, offer an appropriate low-cost approach for such optimization. This review highlights the various potential MD approaches for the simulation of CNT interactions with cell membranes while emphasizing various methods of cellular internalization and toxicities of CNTs to build new strategies for designing rational CNT-based targeted drug delivery to circumvent the limitations associated with the various clinically available nonspecific therapeutic agents.
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Affiliation(s)
- Mohammed N Al-Qattan
- Faculty of Pharmacy, Philadelphia University-Jordan, P.O. Box (1), Philadelphia University (19392), Jordan
| | - Pran Kishore Deb
- Faculty of Pharmacy, Philadelphia University-Jordan, P.O. Box (1), Philadelphia University (19392), Jordan.
| | - Rakesh K Tekade
- National Institute of Pharmaceutical Education and Research (NIPER) Ahmedabad, (An Institute of National Importance, Government of India), Department of Pharmaceuticals, Ministry of Chemicals and Fertilizers, Palaj, Opposite Air Force Station, Gandhinagar, Gujarat 382355, India
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17
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He XC, Qu ZG, Xu F. Simulation study of interaction mechanism between peptide and asymmetric membrane. MOLECULAR SIMULATION 2016. [DOI: 10.1080/08927022.2016.1228105] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- X. C. He
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, P.R. China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi’an Jiaotong University, Xi’an, P.R. China
| | - Z. G. Qu
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education, School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, P.R. China
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi’an Jiaotong University, Xi’an, P.R. China
| | - F. Xu
- Bioinspired Engineering and Biomechanics Center (BEBC), Xi’an Jiaotong University, Xi’an, P.R. China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an, P.R. China
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18
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Frost R, Svedhem S, Langhammer C, Kasemo B. Graphene Oxide and Lipid Membranes: Size-Dependent Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:2708-2717. [PMID: 26907859 DOI: 10.1021/acs.langmuir.5b03239] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
We have investigated the interaction of graphene oxide (GO) sheets with supported lipid membranes with focus on how the interaction depends on GO sheet size (three samples in the range of 90-5000 nm) and how it differs between small and large liposomes. The layer-by-layer assembly of these materials into multilamellar structures, as discovered in our previous research, is now further explored. The interaction processes were monitored by two complementary, real time, surface-sensitive analytical techniques: quartz crystal microbalance with dissipation monitoring (QCM-D, electroacoustic sensing) and indirect nanoplasmonic sensing (INPS, optical sensing). The results show that the sizes of each of the two components, graphene oxide and liposomes, are important parameters affecting the resulting multilayer structures. Spontaneous liposome rupture onto graphene oxide is obtained for large lateral dimensions of the graphene oxide sheets.
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Affiliation(s)
- Rickard Frost
- Department of Energy and Environment and ‡Department of Applied Physics, Chalmers University of Technology , SE-412 96 Göteborg, Sweden
| | - Sofia Svedhem
- Department of Energy and Environment and ‡Department of Applied Physics, Chalmers University of Technology , SE-412 96 Göteborg, Sweden
| | - Christoph Langhammer
- Department of Energy and Environment and ‡Department of Applied Physics, Chalmers University of Technology , SE-412 96 Göteborg, Sweden
| | - Bengt Kasemo
- Department of Energy and Environment and ‡Department of Applied Physics, Chalmers University of Technology , SE-412 96 Göteborg, Sweden
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19
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He X, Lin M, Guo J, Qu Z, Xu F. Experimental and simulation studies of polyarginines across the membrane of giant unilamellar vesicles. RSC Adv 2016. [DOI: 10.1039/c6ra02420c] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Cell-penetrating peptides have widespread applications in biomedicine because of their capability to translocate across cell membranes alone or with cargos.
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Affiliation(s)
- XiaoCong He
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P.R. China
| | - Min Lin
- Bioinspired Engineering and Biomechanics Center (BEBC)
- Xi'an Jiaotong University
- Xi'an 710049
- P.R. China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education
| | - Jun Guo
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P.R. China
| | - ZhiGuo Qu
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P.R. China
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC)
- Xi'an Jiaotong University
- Xi'an 710049
- P.R. China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education
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20
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Nasir I, Fatih W, Svensson A, Radu D, Linse S, Cabaleiro Lago C, Lundqvist M. High Throughput Screening Method to Explore Protein Interactions with Nanoparticles. PLoS One 2015; 10:e0136687. [PMID: 26313757 PMCID: PMC4551901 DOI: 10.1371/journal.pone.0136687] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 08/06/2015] [Indexed: 12/01/2022] Open
Abstract
The interactions of biological macromolecules with nanoparticles underlie a wide variety of current and future applications in the fields of biotechnology, medicine and bioremediation. The same interactions are also responsible for mediating potential biohazards of nanomaterials. Some applications require that proteins adsorb to the nanomaterial and that the protein resists or undergoes structural rearrangements. This article presents a screening method for detecting nanoparticle-protein partners and conformational changes on time scales ranging from milliseconds to days. Mobile fluorophores are used as reporters to study the interaction between proteins and nanoparticles in a high-throughput manner in multi-well format. Furthermore, the screening method may reveal changes in colloidal stability of nanomaterials depending on the physicochemical conditions.
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Affiliation(s)
- Irem Nasir
- Center for Molecular Protein Science, Department of Biochemistry and Structural Biology, Lund University, Lund, Sweden
| | | | | | | | - Sara Linse
- Center for Molecular Protein Science, Department of Biochemistry and Structural Biology, Lund University, Lund, Sweden
| | - Celia Cabaleiro Lago
- Center for Molecular Protein Science, Department of Biochemistry and Structural Biology, Lund University, Lund, Sweden
| | - Martin Lundqvist
- Center for Molecular Protein Science, Department of Biochemistry and Structural Biology, Lund University, Lund, Sweden
- Upper 2nd school, Klippan, Sweden
- * E-mail:
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21
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Coarse-grained molecular dynamics studies of the translocation mechanism of polyarginines across asymmetric membrane under tension. Sci Rep 2015; 5:12808. [PMID: 26235300 PMCID: PMC4522684 DOI: 10.1038/srep12808] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Accepted: 07/09/2015] [Indexed: 12/19/2022] Open
Abstract
Understanding interactions between cell-penetrating peptides and biomembrane under tension can help improve drug delivery and elucidate mechanisms underlying fundamental cellular events. As far as the effect of membrane tension on translocation, it is generally thought that tension should disorder the membrane structure and weaken its strength, thereby facilitating penetration. However, our coarse-grained molecular dynamics simulation results showed that membrane tension can restrain polyarginine translocation across the asymmetric membrane and that this effect increases with increasing membrane tension. We also analyzed the structural properties and lipid topology of the tensed membrane to explain the phenomena. Simulation results provide important molecular information on the potential translocation mechanism of peptides across the asymmetric membrane under tension as well as new insights in drug and gene delivery.
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22
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Varanasi SR, Guskova OA, John A, Sommer JU. Water around fullerene shape amphiphiles: A molecular dynamics simulation study of hydrophobic hydration. J Chem Phys 2015; 142:224308. [DOI: 10.1063/1.4922322] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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23
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He X, Lin M, Lu T, Qu Z, Xu F. Molecular analysis of interactions between a PAMAM dendrimer–paclitaxel conjugate and a biomembrane. Phys Chem Chem Phys 2015; 17:29507-17. [DOI: 10.1039/c5cp02242h] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Understanding the underlying mechanism of nanomedicine–biomembrane interactions is important for the design and optimization of payload delivery systems.
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Affiliation(s)
- XiaoCong He
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Min Lin
- Bioinspired Engineering and Biomechanics Center (BEBC)
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education
| | - TianJian Lu
- Bioinspired Engineering and Biomechanics Center (BEBC)
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - ZhiGuo Qu
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- School of Energy and Power Engineering
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center (BEBC)
- Xi'an Jiaotong University
- Xi'an 710049
- P. R. China
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education
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24
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Tabari S, Jamali Y, Poursalehi R. Multi-scale Simulation of Carbon Nanotubes Interactions with Cell Membrane: DFT Calculations and Molecular Dynamic Simulation. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.mspro.2015.11.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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