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Dillion Lima Cavalcanti I, Humberto Xavier Junior F, Stela Santos Magalhães N, Cajubá de Britto Lira Nogueira M. ISOTHERMAL TITRATION CALORIMETRY (ITC) AS A PROMISING TOOL IN PHARMACEUTICAL NANOTECHNOLOGY. Int J Pharm 2023; 641:123063. [PMID: 37209790 DOI: 10.1016/j.ijpharm.2023.123063] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 05/10/2023] [Accepted: 05/13/2023] [Indexed: 05/22/2023]
Abstract
Isothermal titration calorimetry (ITC) is a technique for evaluating the thermodynamic profiles of connection between two molecules, allowing the experimental design of nanoparticles systems with drugs and/or biological molecules. Taking into account the relevance of ITC, we conducted, therefore, an integrative revision of the literature, from 2000 to 2023, on the main purposes of using this technique in pharmaceutical nanotechnology. The search were carried out in the Pubmed, Sciencedirect, Web of Science, and Scifinder databases using the descriptors "Nanoparticles", "Isothermal Titration Calorimetry", and "ITC". We have observed that the ITC technique has been increasingly used in pharmaceutical nanotechnology, seeking to understand the interaction mechanisms in the formation of nanoparticles. Additionally, to understand the behavior of nanoparticles with biological materials (proteins, DNA, cell membranes, among others), thereby helping to understand the behavior of nanocarriers in vivo studies. As a contribution, we intended to reveal the importance of ITC in the laboratory routine, which is itself a quick and easy technique to obtain relevant results that help to optimize the nanosystems formulation process.
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Affiliation(s)
- Iago Dillion Lima Cavalcanti
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego - Cidade Universitária, Recife - PE, Brazil
| | - Francisco Humberto Xavier Junior
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego - Cidade Universitária, Recife - PE, Brazil; Department of Pharmacy, Pharmaceutical Biotechnology Laboratory (BioTecFarm), Federal University of Paraíba (UFPB), Campus I Lot. Cidade Universitaria, PB, 58051-900, Brazil
| | - Nereide Stela Santos Magalhães
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego - Cidade Universitária, Recife - PE, Brazil
| | - Mariane Cajubá de Britto Lira Nogueira
- Keizo Asami Institute (iLIKA), Federal University of Pernambuco (UFPE), Av. Prof. Moraes Rego - Cidade Universitária, Recife - PE, Brazil; Laboratory of Nanotechnology, Biotechnology and Cell Culture (NanoBioCel), Academic Center of Vitória, Federal University of Pernambuco (CAV/UFPE), R. Alto do Reservatório - Alto José Leal, Vitória de Santo Antão - PE, 55608-680, Brazil.
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Li S, van der Ven LGJ, Spoelstra AB, Tuinier R, Esteves ACC. Tunable distribution of silica nanoparticles in water-borne coatings via strawberry supracolloidal dispersions. J Colloid Interface Sci 2023; 646:185-197. [PMID: 37196492 DOI: 10.1016/j.jcis.2023.04.154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/21/2023] [Accepted: 04/27/2023] [Indexed: 05/19/2023]
Abstract
HYPOTHESIS Water-borne coatings are rapidly expanding as sustainable alternatives to organic solvent-borne systems. Inorganic colloids are often added to aqueous polymer dispersions to enhance the performance of water-borne coatings. However, these bimodal dispersions have many interfaces which can result in unstable colloids and undesirable phase separation. The covalent bonding between individual colloids, on a polymer-inorganic core-corona supracolloidal assembly, could reduce or suppress instability and phase separation during drying of coatings, advancing its mechanical and optical properties. METHODS Aqueous polymer-silica supracolloids with a core-corona strawberry configuration were used to precisely control the silica nanoparticles distribution within the coating. The interaction between polymer and silica particles was fine-tuned to obtain covalently bound or physically adsorbed supracolloids. Coatings were prepared by drying the supracolloidal dispersions at room temperature, and their morphology and mechanical properties were interconnected. FINDINGS Covalently bound supracolloids provided transparent coatings with a homogeneous 3D percolating silica nanonetwork. Supracolloids having physical adsorption only, resulted in coatings with a stratified silica layer at interfaces. The well-arranged silica nanonetworks strongly improve the storage moduli and water resistance of the coatings. These supracolloidal dispersions offer a new paradigm for preparing water-borne coatings with enhanced mechanical properties and other functionalities, like structural color.
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Affiliation(s)
- Siyu Li
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Leendert G J van der Ven
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anne B Spoelstra
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Center for Multiscale Electron Microscopy, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Remco Tuinier
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - A Catarina C Esteves
- Laboratory of Physical Chemistry, Department of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands; Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.
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Synthesis of inorganic/organic raspberry-like composite particles for superhydrophobic and superlipophilic coatings. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Schork FJ. In Support of Commercial Applications of Miniemulsion Polymerization. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c01746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- F. Joseph Schork
- School of Chemical and Biomolecular Engineering Georgia Institute of Technology 311 Ferst Street, Atlanta, Georgia 30332-0100, United States
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Elzayat A, Adam-Cervera I, Álvarez-Bermúdez O, Muñoz-Espí R. Nanoemulsions for synthesis of biomedical nanocarriers. Colloids Surf B Biointerfaces 2021; 203:111764. [PMID: 33892282 DOI: 10.1016/j.colsurfb.2021.111764] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/21/2021] [Accepted: 04/08/2021] [Indexed: 12/27/2022]
Abstract
Nanoemulsions are kinetically stabilized emulsions with droplet sizes in the nanometer scale. These nanodroplets are able to confine spaces in which reactions of polymerization or precipitation can take place, leading to the formation of particles and capsules that can act as nanocarriers for biomedical applications. This review discusses the different possibilities of using nanoemulsions for preparing biomedical nanocarriers. According to the chemical nature, nanocarriers prepared in nanoemulsions are classified in polymeric, inorganic, or hybrid. The main synthetic strategies for each type are revised, including miniemulsion polymerization, nanoemulsion-solvent evaporation, spontaneous emulsification, sol-gel processes, and combination of different techniques to form multicomponent materials.
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Affiliation(s)
- Asmaa Elzayat
- Institute of Materials Science (ICMUV), Universitat de València, c/ Catedràtic José Beltrán 2, 46980 Paterna, Spain; Physics Department, Faculty of Science, Mansoura University, 35516 Mansoura, Egypt
| | - Inés Adam-Cervera
- Institute of Materials Science (ICMUV), Universitat de València, c/ Catedràtic José Beltrán 2, 46980 Paterna, Spain
| | - Olaia Álvarez-Bermúdez
- Institute of Materials Science (ICMUV), Universitat de València, c/ Catedràtic José Beltrán 2, 46980 Paterna, Spain
| | - Rafael Muñoz-Espí
- Institute of Materials Science (ICMUV), Universitat de València, c/ Catedràtic José Beltrán 2, 46980 Paterna, Spain.
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Abstract
A comprehensive overview of the fundamentals of emulsion polymerization and related processes is presented with the object of providing theoretical and practical understanding to researchers considering use of these methods for synthesis of polymer colloids across a wide range of applications. Hence, the overview has been written for a general scientific audience with no prior knowledge assumed. Succinct introductions are given to key topics of background science to assist the reader. Importance is placed on ensuring mechanistic understanding of these complex polymerizations and how the processes can be used to create polymer colloids that have particles with well-defined properties and morphology. Mathematical equations and associated theory are given where they enhance understanding and learning and where they are particularly useful for practical application. Practical guidance also is given for new researchers so that they can begin using the various processes effectively and in ways that avoid common mistakes.
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Affiliation(s)
- Peter A Lovell
- Department of Materials, School of Natural Sciences, The University of Manchester, Manchester M13 9PL, United Kingdom
| | - F Joseph Schork
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0100, United States
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Lv D, Sheng L, Wan J, Dong J, Ouyang H, Jiao H, Liu J. Bioinspired hierarchically hairy particles for robust superhydrophobic coatings via a droplet dynamic template method. Polym Chem 2019. [DOI: 10.1039/c8py01564c] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Bioinspired hierarchically hairy particles are prepared by using initiator droplets as dynamic templates to achieve a robust superhydrophobic coating.
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Affiliation(s)
- Dongmei Lv
- College of Animal Science
- Jilin University
- Changchun
- China
| | - Li Sheng
- Petrochemical Research Institute
- PetroChina
- Beijing
- China
| | - Jiping Wan
- Laboratory of Polymer Physics and Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Jianwei Dong
- College of Animal Science
- Jilin University
- Changchun
- China
| | | | - Huping Jiao
- College of Animal Science
- Jilin University
- Changchun
- China
| | - Junqiu Liu
- College of Animal Science
- Jilin University
- Changchun
- China
- State Key Laboratory of Supramolecular Structure and Materials
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Effects of amorphous silica nanoparticles and polymer blend compositions on the structural, thermal and dielectric properties of PEO–PMMA blend based polymer nanocomposites. JOURNAL OF POLYMER RESEARCH 2018. [DOI: 10.1007/s10965-018-1510-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Xia S, Song S, Ren X, Gao G. Highly tough, anti-fatigue and rapidly self-recoverable hydrogels reinforced with core-shell inorganic-organic hybrid latex particles. SOFT MATTER 2017; 13:6059-6067. [PMID: 28776059 DOI: 10.1039/c7sm01253e] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The introduction of SiO2 particles as crosslinking points into hydrogels has been recognized as a suitable way for toughening hydrogels, due to their versatile functionalization and large specific surface area. However, chemically linked SiO2 nanocomposite hydrogels often exhibited negligible fatigue resistance and poor self-recoverable properties due to the irreversible cleavage of covalent bonds. Here, we proposed a novel strategy to improve stretchability, fatigue resistance and self-recoverable properties of hydrogels by using SiO2-g-poly(butyl acrylate) core-shell inorganic-organic hybrid latex particles as hydrophobic crosslinking centers for hydrophobic association. The obtained hydrogel could distribute the surrounding applied stress by disentanglement of the hybrid latex particles from hydrophobic segments. Based on this strategy, the formulated hydrogels showed an excellent tensile strength of 1.48 MPa, superior stretchability of 2511% and remarkable toughness of 12.62 MJ m-3. Moreover, the hydrogels owned extraordinary anti-fatigue, rapid self-recovery and puncture resistance properties. Therefore, this strategy provided a novel pathway for developing advanced soft materials with potential applications in biomedical engineering, such as tendons, muscles, cartilages, etc.
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Affiliation(s)
- Shan Xia
- Polymeric and Soft Materials Laboratory, School of Chemical Engineering Advanced Institute of Materials Science, Changchun University of Technology, NO. 2055, Yan'an Street, Changchun, P. R. China.
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Gustafsson H, Holmberg K. Emulsion-based synthesis of porous silica. Adv Colloid Interface Sci 2017; 247:426-434. [PMID: 28318490 DOI: 10.1016/j.cis.2017.03.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Revised: 02/11/2017] [Accepted: 03/10/2017] [Indexed: 10/20/2022]
Abstract
We review the use of various types of emulsions as media for synthesis of porous silica particles. The use of high internal phase emulsions, i.e. emulsions with a high ratio of dispersed to continuous phase, is an approach that has attracted considerable attention. Polymerization of the continuous phase followed by removal of the dispersed phase leads to a material with an even distribution of pores if the emulsion droplets are uniform in size. Another route is to use particle stabilized emulsions as template. This will lead to either hydrophilic or hydrophobic porous silica particles depending on whether the templating emulsion is oil-in-water or water-in-oil, respectively. Use of double emulsions as templates is a way to obtain porous particles with hierarchical porosity, usually both macropores and mesopores. Templating amphiphiles, which are often polyoxyethylene-polyoxypropylene-polyoxyethylene block copolymers, are needed in order to obtain materials with highly ordered pore structure. Non-ordered mesoporous silica with small particle size and relatively large pores can be obtained by emulsifying a silica precursor together with an inert solvent in water and allowing the silica to gel within the drops. Hollow silica spheres, i.e. spherical particles with a void in the middle, can be prepared by using emulsion drops as templates around which silica polymerizes. The particles have nanometer-sized pores penetrating the shell.
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Research of the synthesis and film performance of silica/poly(St-BA-MPS) core-shell latexes obtained by miniemulsion co-polymerization. Macromol Res 2017. [DOI: 10.1007/s13233-017-5054-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Silica encapsulation by miniemulsion polymerization: A novel approach of efficient chemical functionalization on silica nanoparticles. POLYMER 2016. [DOI: 10.1016/j.polymer.2016.06.033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Song S, Sun S, Zhang H. Enhanced properties of poly(vinylidene fluoride) with low filler content SiO2-g-(MMA-co-BA) core-shell nanoparticles. JOURNAL OF POLYMER RESEARCH 2016. [DOI: 10.1007/s10965-016-1012-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Schoth A, Keith AD, Landfester K, Muñoz-Espí R. Silanization as a versatile functionalization method for the synthesis of polymer/magnetite hybrid nanoparticles with controlled structure. RSC Adv 2016. [DOI: 10.1039/c6ra08896a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
We compare the use of different trimethoxysilane compounds for the surface functionalization of magnetite nanoparticles and their subsequent incorporation in hybrid particles formed byin situminiemulsion polymerization.
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Affiliation(s)
| | | | | | - Rafael Muñoz-Espí
- Max Planck Institute for Polymer Research
- 55128 Mainz
- Germany
- Institute of Materials Science (ICMUV)
- Universitat de València
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15
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Ulrich S, Hirsch C, Diener L, Wick P, Rossi RM, Bannwarth MB, Boesel LF. Preparation of ellipsoid-shaped supraparticles with modular compositions and investigation of shape-dependent cell-uptake. RSC Adv 2016. [DOI: 10.1039/c6ra19861a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Hybrid ellipsoid-shaped supraparticles consisting of different nanomaterials are fabricated and the influence of the supraparticle shape on cell-uptake is investigated.
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Affiliation(s)
- S. Ulrich
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Protection and Physiology. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - C. Hirsch
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Particle-Biology Interactions Laboratory. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - L. Diener
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Particle-Biology Interactions Laboratory. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - P. Wick
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Particle-Biology Interactions Laboratory. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - R. M. Rossi
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Protection and Physiology. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - M. B. Bannwarth
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Protection and Physiology. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
| | - L. F. Boesel
- Empa
- Swiss Federal Laboratories for Materials Science and Technology. Laboratory for Protection and Physiology. Lerchenfeldstrasse 5
- CH-9014 St. Gallen
- Switzerland
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Free radical copolymerization of methyl methacrylate and N-2-methyl-4-nitro-phenylmaleimide: Improvement in the Tg of PMMA. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3799-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Schoth A, Adurahim ES, Bahattab MA, Landfester K, Muñoz-Espí R. Waterborne Polymer/Silica Hybrid Nanoparticles and Their Structure in Coatings. MACROMOL REACT ENG 2015. [DOI: 10.1002/mren.201500029] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Alexander Schoth
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
| | - Emad S. Adurahim
- Petrochemical Technology Center; King Abdulaziz City for Science Technology; Riyadh Saudi Arabia 11442
| | - Mohammed A. Bahattab
- Petrochemical Technology Center; King Abdulaziz City for Science Technology; Riyadh Saudi Arabia 11442
| | | | - Rafael Muñoz-Espí
- Max Planck Institute for Polymer Research; Ackermannweg 10 55128 Mainz Germany
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Schoth A, Landfester K, Muñoz-Espí R. Surfactant-free polyurethane nanocapsules via inverse Pickering miniemulsion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:3784-8. [PMID: 25773511 DOI: 10.1021/acs.langmuir.5b00442] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
We report on a surfactant-free synthesis of Pickering-stabilized submicrometer-sized capsules in inverse miniemulsion. Functionalized silica nanoparticles are able to stabilize water-in-cyclohexane miniemulsions to form stable polyurethane shells via interfacial polyaddition. The effect of the type of silica functionalization on the stabilizing properties is demonstrated by varying the hydrophobicity and, therefore, the contact angle between silica and the two liquid phases. Addition of small amounts of salt leads to a reduction of the capsule size and to a narrow size distribution. The impermeability of the formed capsule shell is proven by encapsulation of an organic fluorescent dye and release studies in aqueous environment. In addition, we show the possibility to encapsulate large amounts of inorganic salts without negative effects concerning the stability of the emulsion, which enables the application for phase-change materials.
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