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da Silva JB, Dos Santos RS, Vecchi CF, Bruschi ML. Drug Delivery Platforms Containing Thermoresponsive Polymers and Mucoadhesive Cellulose Derivatives: A Review of Patents. RECENT ADVANCES IN DRUG DELIVERY AND FORMULATION 2022; 16:90-102. [PMID: 35379163 DOI: 10.2174/2667387816666220404123625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/09/2021] [Accepted: 02/15/2022] [Indexed: 06/14/2023]
Abstract
Nowadays, the development of mucoadhesive systems for drug delivery has gained keen interest, with enormous potential in applications through different routes. Mucoadhesion characterizes an attractive interaction between the pharmaceutical dosage form and the mucosal surface. Many polymers have shown the ability to interact with mucus, increasing the residence time of local and/or systemic administered preparations, such as tablets, patches, semi-solids, and micro and nanoparticles. Cellulose is the most abundant polymer on the earth. It is widely used in the pharmaceutical industry as an inert pharmaceutical ingredient, mainly in its covalently modified forms: methylcellulose, ethylcellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methylcellulose, and carboxymethylcellulose salts. Aiming to overcome the drawbacks of oral, ocular, nasal, vaginal, and rectal routes and thereby maintaining patient compliance, innovative polymer blends have gained the interest of the pharmaceutical industry. Combining mucoadhesive and thermoresponsive polymers allows for simultaneous in situ gelation and mucoadhesion, thus enhancing the retention of the system at the site of administration and drug availability. Thermoresponsive polymers have the ability to change physicochemical properties triggered by temperature, which is particularly interesting considering the physiological temperature. The present review provides an analysis of the main characteristics and applications of cellulose derivatives as mucoadhesive polymers and their use in blends together with thermoresponsive polymers, aiming at platforms for drug delivery. Patents were reviewed, categorized, and discussed, focusing on the applications and pharmaceutical dosage forms using this innovative strategy. This review manuscript also provides a detailed introduction to the topic and a perspective on further developments.
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Affiliation(s)
- Jéssica Bassi da Silva
- Department of Pharmacy, Postgraduate Program in Pharmaceutical Sciences, Laboratory of Research and Development of Drug Delivery Systems, State University of Maringa, Maringa, PR, Brazil
| | - Rafaela Said Dos Santos
- Department of Pharmacy, Postgraduate Program in Pharmaceutical Sciences, Laboratory of Research and Development of Drug Delivery Systems, State University of Maringa, Maringa, PR, Brazil
| | - Camila Felix Vecchi
- Department of Pharmacy, Postgraduate Program in Pharmaceutical Sciences, Laboratory of Research and Development of Drug Delivery Systems, State University of Maringa, Maringa, PR, Brazil
| | - Marcos Luciano Bruschi
- Department of Pharmacy, Postgraduate Program in Pharmaceutical Sciences, Laboratory of Research and Development of Drug Delivery Systems, State University of Maringa, Maringa, PR, Brazil
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Dave RS, Goostrey TC, Ziolkowska M, Czerny-Holownia S, Hoare T, Sheardown H. Ocular drug delivery to the anterior segment using nanocarriers: A mucoadhesive/mucopenetrative perspective. J Control Release 2021; 336:71-88. [PMID: 34119558 DOI: 10.1016/j.jconrel.2021.06.011] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 12/16/2022]
Abstract
There is a growing demand for effective treatments for ocular conditions that improve patient compliance and reduce side-effects. While methods such as implants and injections have proven effective, topical administration remains the method of choice for the delivery of therapeutics to the anterior segment of the eye. However, topical administration suffers from multiple drawbacks including low bioavailability of the target therapeutic, systemic toxicity, and the requirement for high therapeutic doses due to the effective clearance mechanisms that exist in the eye. Nanoparticles that have tunable mucoadhesion and/or mucopenetration offer outstanding potential to overcome the anatomical and physiological barriers present to improve ocular bioavailability, reduce toxicity, and increase ocular retention, among other benefits. The current review highlights recent advances in the field of developing nanocarriers with tunable mucoadhesion and mucopenetration for drug delivery to the eye.
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Affiliation(s)
- Ridhdhi S Dave
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Taylor C Goostrey
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Maya Ziolkowska
- Department of Integrated Biomedical Engineering & Health Sciences, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Sofia Czerny-Holownia
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada
| | - Heather Sheardown
- Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario L8S 4L8, Canada.
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3
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Simões B, Guedens WJ, Keene C, Kubiak-Ossowska K, Mulheran P, Kotowska AM, Scurr DJ, Alexander MR, Broisat A, Johnson S, Muyldermans S, Devoogdt N, Adriaensens P, Mendes PM. Direct Immobilization of Engineered Nanobodies on Gold Sensors. ACS APPLIED MATERIALS & INTERFACES 2021; 13:17353-17360. [PMID: 33845569 PMCID: PMC8153533 DOI: 10.1021/acsami.1c02280] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/25/2021] [Indexed: 05/25/2023]
Abstract
Single-domain antibodies, known as nanobodies, have great potential as biorecognition elements for sensors because of their small size, affinity, specificity, and robustness. However, facile and efficient methods of nanobody immobilization are sought that retain their maximum functionality. Herein, we describe the direct immobilization of nanobodies on gold sensors by exploiting a modified cysteine strategically positioned at the C-terminal end of the nanobody. The experimental data based on secondary ion mass spectrometry, circular dichroism, and surface plasmon resonance, taken together with a detailed computational work (molecular dynamics simulations), support the formation of stable and well-oriented nanobody monolayers. Furthermore, the nanobody structure and activity is preserved, wherein the nanobody is immobilized at a high density (approximately 1 nanobody per 13 nm2). The strategy for the spontaneous nanobody self-assembly is simple and effective and possesses exceptional potential to be used in numerous sensing platforms, ranging from clinical diagnosis to environmental monitoring.
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Affiliation(s)
- Bárbara Simões
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | - Wanda J. Guedens
- Institute
for Materials Research (IMO), Hasselt University, BE-3590 Diepenbeek, Belgium
| | - Charlie Keene
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
| | | | - Paul Mulheran
- Department
of Chemical & Process Engineering, University
of Strathclyde, Glasgow G1 1XQ, United Kingdom
| | - Anna M. Kotowska
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - David J. Scurr
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Morgan R Alexander
- School
of Pharmacy, University of Nottingham, Nottingham NG7 2RD, United Kingdom
| | - Alexis Broisat
- Laboratory
of Bioclinical Radiopharmaceutics, Université
Grenoble Alpes, Inserm, CHU Grenoble Alpes, LRB, 38000 Grenoble, France
| | - Steven Johnson
- Department
of Electronic Engineering, University of
York, York YO19 5DD, United Kingdom
| | - Serge Muyldermans
- Cellular
and Molecular Immunology laboratory, Vrije
Universiteit Brussel (VUB), BE-1050 Brussels, Belgium
| | - Nick Devoogdt
- In
vivo Cellular and Molecular Imaging laboratory, Vrije Universiteit Brussel (VUB), BE-1090 Brussels, Belgium
| | - Peter Adriaensens
- Institute
for Materials Research (IMO), Hasselt University, BE-3590 Diepenbeek, Belgium
| | - Paula M. Mendes
- School
of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
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4
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Böni LJ, Sanchez-Ferrer A, Widmer M, Biviano MD, Mezzenga R, Windhab EJ, Dagastine RR, Fischer P. Structure and Nanomechanics of Dry and Hydrated Intermediate Filament Films and Fibers Produced from Hagfish Slime Fibers. ACS APPLIED MATERIALS & INTERFACES 2018; 10:40460-40473. [PMID: 30371056 DOI: 10.1021/acsami.8b17166] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Intermediate filaments (IFs) are known for their extensibility, flexibility, toughness, and their ability to hydrate. Using keratin-like IFs obtained from slime fibers from the invertebrate Atlantic hagfish ( Myxine glutinosa), films were produced by drop-casting and coagulation on the surface of a MgCl2 buffer. Drop-casting produced self-supporting, smooth, and dense films rich in β-sheets (61%), whereas coagulation formed thin, porous films with a nanorough surface and a lower β-sheet content (51%). The films hydrated and swelled immediately when immersed in water and did not dissolve. X-ray diffraction showed that the β-crystallites remained stable upon hydration, that swelling presumably happens in the amorphous C-terminal tail-domains of the IFs, and that high salt conditions caused a denser network mesh size, suggesting polyelectrolyte behavior. Hydration resulted in a roughly 1000-fold decrease in apparent Young's modulus from 109 to 106 Pa as revealed by atomic force microscopy nanoindentation. Nanoindentation-based power-law rheology and stress-relaxation measurements indicated viscoelasticity and a soft-solid hydrogel character for hydrated films, where roughly 80% of energy is elastically stored and 20% is dissipated. By pulling coagulation films from the buffer interface, macroscopic fibers with highly aligned IF β-crystals similar to natural hagfish fibers were produced. We propose that viscoelasticity and strong hydrogen bonding interactions with the buffer interface are crucial for the production of such long biomimetic fibers with aligned β-sheets. This study demonstrates that hagfish fiber IFs can be reconstituted into functional biomimetic materials that are stiff when dry and retain the ability to hydrate to become soft and viscoelastic when in water.
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Affiliation(s)
| | | | | | - M D Biviano
- Department of Chemical and Biomolecular Engineering , University of Melbourne , Melbourne 3010 , Australia
| | | | | | - R R Dagastine
- Department of Chemical and Biomolecular Engineering , University of Melbourne , Melbourne 3010 , Australia
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Qiu J, Ran D, Liu L, Hsu PF. Mueller Matrix of Specular Reflection Using an Aluminum Grating Surface with Oxide Nanofilm. APPLIED SPECTROSCOPY 2016; 70:1009-1017. [PMID: 27129364 DOI: 10.1177/0003702816641268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2015] [Accepted: 09/14/2015] [Indexed: 06/05/2023]
Abstract
The accurate nondestructive and real-time determination of the critical dimensions of oxide nanofilms on periodic nanostructures has potential applications in nanofabrication techniques. Mueller ellipsometry is fast, accurate, nondestructive, and can be used in the ambient air. This study used the elements of a Mueller matrix of specular reflection, which is based on a Mueller ellipsometry method, to evaluate the thickness of an oxide nanofilm on an aluminum grating surface. By using non-traditional rigorous coupled-wave analysis (RCWA), we decomposed the Mueller matrix to obtain the relationship between the evaluated polarization properties of reflected light and the dimensions of oxide nanofilms on aluminum grating surfaces. We also quantitatively analyzed the Mueller matrix elements' variation due to the thicknesses of top, sidewall, and bottom oxides. We consider these oxide films are naturally formed and of nonuniform thickness on grating structures. The results show that the elements of Mueller matrix shift with the increasing of the uniform thickness of oxide at a fixed wavelength. Moreover, as oxide nanofilms on grating structures are nonuniform, the impact of the thickness of side wall oxide on the Mueller matrix elements is more obvious than that of top and bottom oxides at the relative larger incidence wavelength range. The finding of this work may facilitate the nondestructive and real-time measurement of the thickness of oxide nanofilms on metal gratings where the metal is easily oxidized.
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Affiliation(s)
- Jun Qiu
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China
| | - Dongfang Ran
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China
| | - Linhua Liu
- School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China
| | - Pei-Feng Hsu
- Department of Mechanical and Aerospace Engineering, Florida Institute of Technology, Florida, USA School of Mechanical Engineering, Shanghai DianJi University, Shanghai, China
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An J, Dėdinaitė A, Nilsson A, Holgersson J, Claesson PM. Comparison of a Brush-with-Anchor and a Train-of-Brushes Mucin on Poly(methyl methacrylate) Surfaces: Adsorption, Surface Forces, and Friction. Biomacromolecules 2014; 15:1515-25. [DOI: 10.1021/bm500173s] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Junxue An
- School
of Chemical Science and Engineering, Department of Chemistry, Division
of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-100 44 Stockholm, Sweden
| | - Andra Dėdinaitė
- School
of Chemical Science and Engineering, Department of Chemistry, Division
of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-100 44 Stockholm, Sweden
- Chemistry,
Materials and Surfaces, SP Technical Research Institute of Sweden, P. O. Box 5607, SE-114 86 Stockholm, Sweden
| | - Anki Nilsson
- Recopharma
AB, Arvid Wallgrens backe 20, 413 46 Gothenburg, Sweden
| | - Jan Holgersson
- Department
of Clinical Chemistry and Transfusion Medicine, The Sahlgrenska Academy, University of Gothenburg and Sahlgrenska University Hospital, Vita stråket
13, SE-413 45 Gothenburg, Sweden
| | - Per M. Claesson
- School
of Chemical Science and Engineering, Department of Chemistry, Division
of Surface and Corrosion Science, KTH Royal Institute of Technology, Drottning Kristinas väg 51, SE-100 44 Stockholm, Sweden
- Chemistry,
Materials and Surfaces, SP Technical Research Institute of Sweden, P. O. Box 5607, SE-114 86 Stockholm, Sweden
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Bhushan B, Schricker SR. A review of block copolymer-based biomaterials that control protein and cell interactions. J Biomed Mater Res A 2013; 102:2467-80. [PMID: 23893878 DOI: 10.1002/jbm.a.34887] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Revised: 07/11/2013] [Accepted: 07/17/2013] [Indexed: 11/07/2022]
Abstract
Block copolymers posses the ability to phase separate into micro and nanoscale patterns resulting in nonhomogeneous surfaces and solids. This nonhomogeneity has been harnessed to improve mechanical properties, control degradation, and add functionality to biomaterials. The ability of block copolymers to generate a wide variety of surface chemistries and morphologies can also be harnessed to control protein adsorption, protein conformation, and cell adhesion. Proteins and cells will respond to periodically structured surfaces, so block copolymers have a great deal of potential as biomaterials. This review will explore the ability of block copolymers to control specific biological responses such as cell adhesion, protein adsorption and conformation, parameters that govern the overall host response to a material. In addition, some of the specific applications of block copolymer, antithrombogenic materials and their ability to pattern proteins, will be discussed.
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Affiliation(s)
- Bharat Bhushan
- Nanoprobe Laboratory for Bio- and Nanotechnology and Biomimetics, The Ohio State University, Columbus, Ohio, 43210
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8
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Mishra B, Basu A, Saravanan R, Xiang L, Yang LK, Leong SSJ. Lasioglossin-III: antimicrobial characterization and feasibility study for immobilization applications. RSC Adv 2013. [DOI: 10.1039/c3ra40887f] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
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9
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Lee HS, Tsai S, Kuo CC, Bassani AW, Pepe-Mooney B, Miksa D, Masters J, Sullivan R, Composto RJ. Chitosan adsorption on hydroxyapatite and its role in preventing acid erosion. J Colloid Interface Sci 2012; 385:235-43. [PMID: 22840874 DOI: 10.1016/j.jcis.2012.06.074] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2012] [Revised: 06/23/2012] [Accepted: 06/25/2012] [Indexed: 10/28/2022]
Abstract
Polymer adsorption onto an artificial saliva (AS) layer is investigated using quartz-crystal microbalance with dissipation (QCM-D) and chitosan as the model polymer. QCM-D is utilized in an innovative manner to monitor in situ adsorption of chitosan (CH) onto a hydroxyapatite (HA) coated crystal and to examine the ability of the adsorbed layer to "protect" the HA upon sequential exposure to acidic solutions. After deposition of a thin AS layer (16 nm), the total thickness on the HA substrate increases to 37 nm upon exposure to CH at pH 5.5 for 10 min. Correspondingly, the surface charge changes from negative (i.e., AS) to positive, consistent with the adsorption the polycationic CH onto or into the AS layer. Upon exposure to an oxidizing agent, the chitosan cross-links and collapses as noted by a decrease in thickness to 10 nm and an increase in the shear modulus by an order of magnitude. Atomic force microscopy (AFM) is used to determine the surface morphology and RMS roughness of the coated and HA surfaces after citric acid challenges. Both physisorbed and cross-linked chitosan are demonstrated to limit and prevent the erosion of HA, respectively.
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Affiliation(s)
- Hyun-Su Lee
- Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, PA 19104, United States.
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10
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Affiliation(s)
- Francisco Zaera
- Department of Chemistry, University of California, Riverside, California 92521, United States
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11
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Khutoryanskiy VV. Advances in Mucoadhesion and Mucoadhesive Polymers. Macromol Biosci 2010; 11:748-64. [DOI: 10.1002/mabi.201000388] [Citation(s) in RCA: 385] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Indexed: 12/25/2022]
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12
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Coles JM, Chang DP, Zauscher S. Molecular mechanisms of aqueous boundary lubrication by mucinous glycoproteins. Curr Opin Colloid Interface Sci 2010. [DOI: 10.1016/j.cocis.2010.07.002] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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13
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Bushnak IA, Labeed FH, Sear RP, Keddie JL. Adhesion of microorganisms to bovine submaxillary mucin coatings: effect of coating deposition conditions. BIOFOULING 2010; 26:387-397. [PMID: 20182931 DOI: 10.1080/08927011003646809] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The adhesion of Staphylococcus epidermidis, Escherichia coli, and Candida albicans on mucin coatings was evaluated to explore the feasibility of using the coating to increase the infection resistance of biomaterials. Coatings of bovine submaxillary mucin (BSM) were deposited on a base layer consisting of a poly(acrylic acid-b-methyl methacrylate) (PAA-b-PMMA) diblock copolymer. This bi-layer system exploits the mucoadhesive interactions of the PAA block to aid the adhesion of mucin to the substratum, whereas the PMMA block prevents dissolution of the coating in aqueous environments. The thickness of the mucin coating was adjusted by varying the pH of the solution from which it was deposited. Thin mucin coatings decreased the numbers of bacteria but increased the numbers of C. albicans adhering to the copolymer and control surfaces. Increasing the mucin film thickness resulted in a further lowering of the density of adhering S. epidermidis cells, but it did not affect the density of E. coli. In contrast, the density of C. albicans increased with an increase in mucin thickness.
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