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Title: Three-Dimensional Microphase Separation and Synergistic Permeability in Stacked Lipid–Polymer Hybrid Membranes

Journal Article · · Chemistry of Materials

Here, we present new structures of soft-material thin films that augment the functionality of substrate-mediated delivery systems. A hybrid material composed of phospholipids and block copolymers adopts a multilayered membrane structure supported on a solid surface. The hybrid films comprise intentional intramembrane heterogeneities that register across multilayers. These stacked domains convey unprecedented enhancement and control of permeability of solutes across micrometer-thick films. Using grazing incidence X-ray scattering, phase contrast atomic force microscopy, and confocal microscopy, we observed that in each lamella, lipid and polymers partition unevenly within the membrane plane segregating into lipid- or polymer-rich domains. Interestingly, we found evidence that like-domains align in registry across multilayers, thereby making phase separation three-dimensional. Phase boundaries exist over extended length scales to compensate the height mismatch between lipid and polymer molecules. We show that microphase separation in hybrid films can be exploited to augment the capability of drug-eluting substrates. Lipid–polymer hybrid films loaded with paclitaxel show synergistic permeability of drug compared to single-component counterparts. We present a thorough structural study of stacked lipid–polymer hybrid membranes and propose that the presence of registered domains and domain boundaries impart enhanced drug release functionality. This work offers new perspectives in designing thin films for controlled delivery applications

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
National Institutes of Health (NIH); National Science Foundation (NSF); USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1417194
Journal Information:
Chemistry of Materials, Vol. 29, Issue 21; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

References (104)

The Fluid Mosaic Model of the Structure of Cell Membranes journal February 1972
Thermal behavior of synthetic sphingomyelin-cholesterol dispersions journal May 1979
Luteolysis-induced changes in phase composition and fluidity of bovine luteal cell membranes. journal July 1982
Lipid sorting in epithelial cells journal August 1988
Functional rafts in cell membranes journal June 1997
The challenge of lipid rafts journal April 2009
Differential Targeting of Shaker-like Potassium Channels to Lipid Rafts journal March 2000
Localization of Cardiac Sodium Channels in Caveolin-Rich Membrane Domains: Regulation of Sodium Current Amplitude journal March 2002
Caveolae from canine airway smooth muscle contain the necessary components for a role in Ca 2+ handling journal December 2000
Sub-resolution lipid domains exist in the plasma membrane and regulate protein diffusion and distribution journal January 2012
Virus Entry, Assembly, Budding, and Membrane Rafts journal June 2003
Viral entry, lipid rafts and caveosomes journal January 2005
Line tension at lipid phase boundaries as driving force for HIV fusion peptide-mediated fusion journal April 2016
Domains and Rafts in Lipid Membranes journal December 2003
Controlling the Localization of Polymer-Functionalized Nanoparticles in Mixed Lipid/Polymer Membranes journal September 2012
Hybrid Polymer–Lipid Films as Platforms for Directed Membrane Protein Insertion journal April 2015
Multilayered Lipid Membrane Stacks for Biocatalysis Using Membrane Enzymes journal March 2017
Soft Nanostructured Films for Actuated Surface-Based siRNA Delivery journal July 2016
Self-organization of nucleic acids in lipid constructs journal December 2016
Biological lipid membranes for on-demand, wireless drug delivery from thin, bioresorbable electronic implants journal November 2015
Soft nanostructured films for directing the assembly of functional materials journal March 2017
Concurrent self-assembly of amphiphiles into nanoarchitectures with increasing complexity journal June 2015
Mixed Hybrid Lipid/Polymer Vesicles as a Novel Membrane Platform journal October 2015
Shape Control of Soft Nanoparticles and Their Assemblies journal February 2017
Giant Phospholipid/Block Copolymer Hybrid Vesicles: Mixing Behavior and Domain Formation journal January 2011
Hybrid lipid/polymer giant unilamellar vesicles: effects of incorporated biocompatible PIB–PEO block copolymers on vesicle properties journal January 2011
Formation and dissolution of phospholipid domains with varying textures in hybrid lipo-polymersomes journal January 2012
Lateral surface engineering of hybrid lipid–BCP vesicles and selective nanoparticle embedding journal January 2014
Hybrid copolymer–phospholipid vesicles: phase separation resembling mixed phospholipid lamellae, but with mechanical stability and control journal January 2015
Modulation of phase separation at the micron scale and nanoscale in giant polymer/lipid hybrid unilamellar vesicles (GHUVs) journal January 2017
Mixing Block Copolymers with Phospholipids at the Nanoscale: From Hybrid Polymer/Lipid Wormlike Micelles to Vesicles Presenting Lipid Nanodomains journal February 2017
Mixing, Diffusion, and Percolation in Binary Supported Membranes Containing Mixtures of Lipids and Amphiphilic Block Copolymers journal July 2014
Dynamics of Membrane Proteins within Synthetic Polymer Membranes with Large Hydrophobic Mismatch journal May 2015
Controlling Polymersome Surface Topology at the Nanoscale by Membrane Confined Polymer/Polymer Phase Separation journal February 2011
Hybrid polymer/lipid vesicles: state of the art and future perspectives journal October 2013
Beyond the lipid-bilayer: interaction of polymers and nanoparticles with membranes journal January 2012
Mix and Match: Coassembly of Amphiphilic Dendrimers and Phospholipids Creates Robust, Modular, and Controllable Interfaces journal December 2016
Stacked, Folded, and Bent Lipid Membranes journal July 2006
Membrane curvature and mechanisms of dynamic cell membrane remodelling journal November 2005
Lateral heterogeneity of plant thylakoid protein complexes: early reminiscences journal December 2012
Structure and dynamics of thylakoids in land plants journal March 2014
Differential Mobility of Pigment-Protein Complexes in Granal and Agranal Thylakoid Membranes of C 3 and C 4 Plants journal November 2012
Drug Releasing Polymer Thin Films: New Era of Surface-Mediated Drug Delivery journal March 2010
Macroscale delivery systems for molecular and cellular payloads journal October 2013
Template Synthesis of Nanostructured Materials via Layer-by-Layer Assembly journal February 2008
In vitro study of release mechanisms of paclitaxel and rapamycin from drug-incorporated biodegradable stent matrices journal July 2004
Layer-by-layer assembly of cationic lipid and plasmid DNA onto gold surface for stent-assisted gene transfer journal June 2006
Polyelectrolyte Multilayer Assemblies on Materials Surfaces: From Cell Adhesion to Tissue Engineering journal December 2011
Chemically Detachable Polyelectrolyte Multilayer Platform for Cell Sheet Engineering journal December 2011
Patterned Poly(dopamine) Films for Enhanced Cell Adhesion journal October 2016
Irena : tool suite for modeling and analysis of small-angle scattering journal February 2009
Synthesis, Characterization, and Paclitaxel Release from a Biodegradable, Elastomeric, Poly(ester urethane)urea Bearing Phosphorylcholine Groups for Reduced Thrombogenicity journal September 2012
Role of Cholesterol in the Formation and Nature of Lipid Rafts in Planar and Spherical Model Membranes journal May 2004
Domain Formation and Stability in Complex Lipid Bilayers as Reported by Cholestatrienol journal June 2005
The Effect of Membrane Lipid Composition on the Formation of Lipid Ultrananodomains journal October 2015
A Correlation between Lipid Domain Shape and Binary Phospholipid Mixture Composition in Free Standing Bilayers: A Two-Photon Fluorescence Microscopy Study journal July 2000
Steric Interaction of Fluid Membranes in Multilayer Systems journal January 1978
Thermal-mechanical fluctuations enhance repulsion between bimolecular layers. journal October 1986
New insights into water–phospholipid model membrane interactions journal May 2004
Line Tension and Interaction Energies of Membrane Rafts Calculated from Lipid Splay and Tilt journal February 2005
Dilatometric studies of the subtransition in dipalmitoylphosphatidylcholine journal August 1982
Lipid bilayers: thermodynamics, structure, fluctuations, and interactions journal January 2004
Topographic and phase-contrast imaging in atomic force microscopy journal March 2000
Characterization of Heterogeneous Regions in Polymer Systems Using Tapping Mode and Force Mode Atomic Force Microscopy journal November 2000
Molecular Simulation Study of Structural and Dynamic Properties of Mixed DPPC/DPPE Bilayers journal June 2006
A mechanistic study on amphiphilic block co-polymer poly(butadiene-b-(ethylene oxide)) vesicles reveals the water permeation mechanism through a polymeric bilayer journal January 2014
Paclitaxel: An Update of its Use in the Treatment of Metastatic Breast Cancer and Ovarian and Other Gynaecological Cancers journal January 1998
Taxol: a new and effective anti-cancer drug journal January 1991
Peripheral Neuropathy Induced by Paclitaxel: Recent Insights and Future Perspectives journal April 2006
Biocompatibility aspects of new stent technology journal September 1998
Drug-eluting stent safety: findings from preclinical studies journal November 2008
Heterogeneous and homogeneous nucleation of Taxol™ crystals in aqueous solutions and gels: Effect of tubulin proteins journal March 2010
Liposomal paclitaxel formulations journal November 2012
Paclitaxel Partitioning into Lipid Bilayers journal February 1996
Solvent- and Concentration-Dependent Molecular Interactions of Taxol (Paclitaxel †) journal October 1994
Crystal and molecular structure of paclitaxel (taxol). journal July 1995
Molecular Simulation of the Concentration-Dependent Interaction of Hydrophobic Drugs with Model Cellular Membranes journal October 2014
A Liposomal Formulation Able to Incorporate a High Content of Paclitaxel and Exert Promising Anticancer Effect journal October 2011
Simulating X-ray diffraction of textured films journal March 2008
Quantification of Thin Film Crystallographic Orientation Using X-ray Diffraction with an Area Detector journal June 2010
Acyl-Chain Correlation in Membrane Fusion Intermediates: X-Ray Diffraction from the Rhombohedral Lipid Phase journal May 2012
Order and disorder in fully hydrated unoriented bilayers of gel-phase dipalmitoylphosphatidylcholine journal May 1994
Interaction of Aspirin (Acetylsalicylic Acid) with Lipid Membranes journal April 2012
First order melting transitions of highly ordered dipalmitoyl phosphatidylcholine gel phase membranes in molecular dynamics simulations with atomistic detail journal August 2011
Evidence for a Two-Dimensional Molecular Lattice in Subgel Phase DPPC Bilayers journal April 1995
The Observation of Highly Ordered Domains in Membranes with Cholesterol journal June 2013
Cholesterol expels ibuprofen from the hydrophobic membrane core and stabilizes lamellar phases in lipid membranes containing ibuprofen journal January 2015
Effects of cholesterol and unsaturated DOPC lipid on chain packing of saturated gel-phase DPPC bilayers journal January 2009
The Diversity of the Liquid Ordered (Lo) Phase of Phosphatidylcholine/Cholesterol Membranes: A Variable Temperature Multinuclear Solid-State NMR and X-Ray Diffraction Study journal April 2006
Distinct solubility and cytotoxicity regimes of paclitaxel-loaded cationic liposomes at low and high drug content revealed by kinetic phase behavior and cancer cell viability studies journal November 2017
Mechanism of sustained‐action medication. Theoretical analysis of rate of release of solid drugs dispersed in solid matrices journal December 1963
On the importance and mechanisms of burst release in matrix-controlled drug delivery systems journal June 2001
Role of lipid polymorphism in acoustically sensitive liposomes journal January 2014
Mechanisms of solute release from porous hydrophilic polymers journal May 1983
A model of dissolution-controlled solute release from porous drug delivery polymeric systems journal November 1983
Dependence of Reaction Velocity upon surface and Agitation journal August 1931
Effects of PEGylated paclitaxel nanocrystals on breast cancer and its lung metastasis journal January 2015
A self-assembling nanomedicine of conjugated linoleic acid-paclitaxel conjugate (CLA-PTX) with higher drug loading and carrier-free characteristic journal November 2016
Molecular studies of the gel to liquid-crystalline phase transition for fully hydrated DPPC and DPPE bilayers journal February 2007
Passive ion permeability of lipid membranes modelled via lipid-domain interfacial area journal September 1988
Revealing the mechanism of passive transport in lipid bilayers via phonon-mediated nanometre-scale density fluctuations journal May 2016
Phase behavior and permeability properties of phospholipid bilayers containing a short-chain phospholipid permeability enhancer journal October 1997
Interactions of Amphiphilic Triblock Copolymers with Lipid Membranes: Modes of Interaction and Effect on Permeability Examined by Generic Monte Carlo Simulations journal June 2015
Anhydrous Proton Transport in Polymerized Ionic Liquid Block Copolymers: Roles of Block Length, Ionic Content, and Confinement journal December 2015

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