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Zabihi F, Tu Z, Kaessmeyer S, Schumacher F, Rancan F, Kleuser B, Boettcher C, Ludwig K, Plendl J, Hedtrich S, Vogt A, Haag R. Efficient skin interactions of graphene derivatives: challenge, opportunity or both? NANOSCALE ADVANCES 2023; 5:5923-5931. [PMID: 37881716 PMCID: PMC10597544 DOI: 10.1039/d3na00574g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 10/02/2023] [Indexed: 10/27/2023]
Abstract
Interactions between graphene, with its wide deployment in consumer products, and skin, the body's largest organ and first barrier, are highly relevant with respect to toxicology and dermal delivery. In this work, interaction of polyglycerol-functionalized graphene sheets, with 200 nm average lateral size and different surface charges, and human skin was studied and their potential as topical delivery systems were investigated. While neutral graphene sheets showed no significant skin interaction, their positively and negatively charged counterparts interacted with the skin, remaining in the stratum corneum. This efficient skin interaction bears a warning but also suggests a new topical drug delivery strategy based on the sheets' high loading capacity and photothermal property. Therefore, the immunosuppressive drug tacrolimus was loaded onto positively and negatively charged graphene sheets, and its release measured with and without laser irradiation using liquid chromatography tandem-mass spectrometry. Laser irradiation accelerated the release of tacrolimus, due to the photothermal property of graphene sheets. In addition, graphene sheets with positive and negative surface charges were loaded with Nile red, and their ability to deliver this cargo through the skin was investigated. Graphene sheets with positive surface charge were more efficient than the negatively charged ones in enhancing Nile red penetration into the skin.
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Affiliation(s)
- Fatemeh Zabihi
- Institut für Chemie und Biochemie, Freie Universität Berlin Takustr. 3 Berlin 14195 Germany +49-030-8385-2633
- Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Charité Universitaetsmedizin Berlin Germany
| | - Zhaoxu Tu
- Institut für Chemie und Biochemie, Freie Universität Berlin Takustr. 3 Berlin 14195 Germany +49-030-8385-2633
- The Sixth Affiliated Hospital of Sun Yat-sen University Guangzhou Guangdong China
| | - Sabine Kaessmeyer
- Department of Veterinary Medicine, Institute of Veterinary Anatomy, Freie Universität Berlin Germany
- Division of Veterinary Anatomy, Vetsuisse Faculty, University of Bern 3012 Bern Switzerland
| | - Fabian Schumacher
- Institute of Pharmacy (Pharmacology and Toxicology), Freie Universität Berlin 14195 Berlin Germany
| | - Fiorenza Rancan
- Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Charité Universitaetsmedizin Berlin Germany
| | - Burkhard Kleuser
- Institute of Pharmacy (Pharmacology and Toxicology), Freie Universität Berlin 14195 Berlin Germany
| | - Christoph Boettcher
- Forschungszentrum für Elektronenmikroskopie, Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 36a 14195 Berlin Germany
| | - Kai Ludwig
- Forschungszentrum für Elektronenmikroskopie, Institut für Chemie und Biochemie, Freie Universität Berlin Fabeckstr. 36a 14195 Berlin Germany
| | - Johanna Plendl
- Department of Veterinary Medicine, Institute of Veterinary Anatomy, Freie Universität Berlin Germany
| | - Sarah Hedtrich
- Faculty of Pharmaceutical Sciences, University of British Columbia 2405 Wesbrook Mall V6T1Z3 Vancouver Canada
- Berlin Institute of Health at Charité, Universitaetsmedizin Berlin Lindenberger Weg 80 13125 Berlin Germany
| | - Annika Vogt
- Department of Dermatology and Allergy, Clinical Research Center for Hair and Skin Science, Charité Universitaetsmedizin Berlin Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin Takustr. 3 Berlin 14195 Germany +49-030-8385-2633
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Siafaka PI, Özcan Bülbül E, Okur ME, Karantas ID, Üstündağ Okur N. The Application of Nanogels as Efficient Drug Delivery Platforms for Dermal/Transdermal Delivery. Gels 2023; 9:753. [PMID: 37754434 PMCID: PMC10529964 DOI: 10.3390/gels9090753] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/03/2023] [Accepted: 09/12/2023] [Indexed: 09/28/2023] Open
Abstract
The delivery of active molecules via the skin seems to be an efficient technology, given the various disadvantages of oral drug administration. Skin, which is the largest human organ of the body, has the important role of acting as a barrier for pathogens and other molecules including drugs; in fact, it serves as a primary defense system blocking any particle from entering the body. Therefore, to overcome the skin barriers and poor skin permeability, researchers implement novel carriers which can effectively carry out transdermal delivery of the molecules. Another significant issue which medical society tries to solve is the effective dermal delivery of molecules especially for topical wound delivery. The application of nanogels is only one of the available approaches offering promising results for both dermal and transdermal administration routes. Nanogels are polymer-based networks in nanoscale dimensions which have been explored as potent carriers of poorly soluble drugs, genes and vaccines. The nanogels present unique physicochemical properties, i.e., high surface area, biocompatibility, etc., and, importantly, can improve solubility. In this review, authors aimed to summarize the available applications of nanogels as possible vehicles for dermal and transdermal delivery of active pharmaceutical ingredients and discuss their future in the pharmaceutical manufacturing field.
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Affiliation(s)
- Panoraia I. Siafaka
- Department of Life Sciences, School of Sciences, Faculty of Pharmacy, European University Cyprus, 2404 Nicosia, Cyprus
| | - Ece Özcan Bülbül
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Istinye University, 34010 Istanbul, Turkey;
| | - Mehmet Evren Okur
- Department of Pharmacology, Faculty of Pharmacy, University of Health Sciences, 34116 Istanbul, Turkey;
| | | | - Neslihan Üstündağ Okur
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Health Sciences, 34668 Istanbul, Turkey;
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Godinho B, Nogueira R, Gama N, Ferreira A. Synthesis of Prepolymers of Poly(glycerol- co-diacids) Based on Sebacic and Succinic Acid Mixtures. ACS OMEGA 2023; 8:16194-16205. [PMID: 37179609 PMCID: PMC10173435 DOI: 10.1021/acsomega.3c00648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 04/10/2023] [Indexed: 05/15/2023]
Abstract
In this study, poly(glycerol-co-diacids) prepolymers were produced using different ratios of glycerol (G), sebacic acid (S), and succinic acid (Su) (molar ratios: GS 1:1, GSSu 1:0.9:0.1, GSSu 1:0.8:0.2, GSSu 1:0.5:0.5, GSSu 1:0.2:0.8, GSSu 1:0.1:0.9, GSu 1:1). All polycondensation reactions were performed at 150 °C until reaching a degree of polymerization of ≈55%, inferred by the water volume collected from a reactor. We concluded that the reaction time is correlated with the ratio of diacids used, that is, the increase in succinic acid is proportional to a decrease in the duration of the reaction. In fact, the reaction of poly(glycerol sebacate) (PGS 1:1) is twice as slow as the reaction of poly(glycerol succinate) (PGSu 1:1). The obtained prepolymers were analyzed by electrospray ionization mass spectrometry (ESI-MS) and 1H and 13C nuclear magnetic resonance (NMR). Besides its catalytic influence in poly(glycerol)/ether bond formation, the presence of succinic acid also contributes to a mass growth of ester oligomers, the formation of cyclic structures, a greater number of oligomers detected, and a difference in mass distribution. When compared with PGS (1:1), and even at lower ratios, the prepolymers produced with succinic acid presented mass peak characteristics of oligomer species with a glycerol unit as its end group in higher abundance. Generally, the most abundant oligomers have molecular weights between 400 and 800 g/mol.
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Affiliation(s)
- Bruno Godinho
- CICECO—Aveiro
Institute of Materials, University of Aveiro, Aveiro 3810-193, Portugal
| | - Rosana Nogueira
- CICECO—Aveiro
Institute of Materials, University of Aveiro, Aveiro 3810-193, Portugal
| | - Nuno Gama
- CICECO—Aveiro
Institute of Materials, University of Aveiro, Aveiro 3810-193, Portugal
| | - Artur Ferreira
- CICECO—Aveiro
Institute of Materials, University of Aveiro, Aveiro 3810-193, Portugal
- ESTGA—Águeda
School of Technology and Management, Águeda 3750-127, Portugal
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Mekuria SL, Ouyang Z, Song C, Rodrigues J, Shen M, Shi X. Dendrimer-Based Nanogels for Cancer Nanomedicine Applications. Bioconjug Chem 2022. [DOI: https:/doi.org/10.1021/acs.bioconjchem.1c00587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2023]
Affiliation(s)
- Shewaye Lakew Mekuria
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Gondar, 196, Ethiopia
| | - Zhijun Ouyang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - Cong Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - João Rodrigues
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
| | - Mingwu Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
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Mekuria SL, Ouyang Z, Song C, Rodrigues J, Shen M, Shi X. Dendrimer-Based Nanogels for Cancer Nanomedicine Applications. Bioconjug Chem 2022; 33:87-96. [PMID: 34967608 DOI: 10.1021/acs.bioconjchem.1c00587] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Recent advances in the field of nanotechnology bring an alternative approach to personalized medicine in cancer treatment. Nanogels (NGs) are among the nanosized superconstructs composed of amphiphilic or hydrophilic polymer networks. The design of different types of biodegradable polymer-based NGs in various biomedical applications has received extensive attention, due to their unique physicochemical properties such as highly porous structure, stimuli-responsiveness, and mimicking of some biological properties. In this review, we concisely surveyed the synthesis of dendrimer-based NGs synthesized via different methods including covalent conjugation, inverse nanoprecipitation, physical cross-linking, or self-assembly for various cancer nanomedicine applications, particularly for drug delivery, gene delivery, photothermal therapy, and combination therapy, as well as for biological imaging-guided chemotherapy. Additionally, we provide herein future perspective toward the new design of dendrimer-based NGs for different cancer nanomedicine uses.
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Affiliation(s)
- Shewaye Lakew Mekuria
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Gondar, 196, Ethiopia
| | - Zhijun Ouyang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - Cong Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - João Rodrigues
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
| | - Mingwu Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
| | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People's Republic of China
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
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6
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Mekuria SL, Ouyang Z, Song C, Rodrigues J, Shen M, Shi X. Dendrimer-Based Nanogels for Cancer Nanomedicine Applications. Bioconjug Chem 2021. [DOI: https://doi.org/10.1021/acs.bioconjchem.1c00587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shewaye Lakew Mekuria
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
- Department of Chemistry, College of Natural and Computational Sciences, University of Gondar, Gondar, 196, Ethiopia
| | - Zhijun Ouyang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - Cong Song
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - João Rodrigues
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
| | - Mingwu Shen
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
| | - Xiangyang Shi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, People’s Republic of China
- CQM-Centro de Química da Madeira, Universidade da Madeira, 9020-105, Funchal, Portugal
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Petersen A, Chu NQ, Fitzgerald DM, McCaslin EZ, Blessing WA, Colby AH, Colson YL, Grinstaff MW. Sustainable glycerol terpolycarbonates as temporary bioadhesives. Biomater Sci 2021; 9:8366-8372. [PMID: 34787119 PMCID: PMC9856206 DOI: 10.1039/d1bm00995h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
We describe the synthesis of poly(glycidyl acetate-co-glycidyl butyrate carbonate)s via the terpolymerization of glycidyl acetate (GA), glycidyl butyrate (GB), and CO2 by a cobalt salen complex in high atom economy. These new non-cytotoxic polycarbonates are pressure-sensitive adhesives, and peel testing shows the adhesive strength ranges from Scotch-Tape® to hot-melt glues based on glycidyl butyrate content. The tunable adherence, benign degradation products, and facile application and removal suggest their utility as temporary adhesives, such as those used in biomedical applications or medical devices. One polymer, (GA-co-GB)-87, exhibits the proper adhesive strength to sufficiently adhere a collagen buttress to the jaws of a steel surgical stapler and easily release the buttress after firing to successfully cut, close, and implant the buttress into lung tissue in an ex vivo sheep model.
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Affiliation(s)
- Anjeza Petersen
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - Ngoc-Quynh Chu
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - Danielle M. Fitzgerald
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - Ethan Z. McCaslin
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - William A. Blessing
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - Aaron H. Colby
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA
| | - Yolonda L. Colson
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA,Corresponding Authors: Mark W. Grinstaff and Yolonda L. Colson
| | - Mark W. Grinstaff
- Departments of Chemistry, Biomedical Engineering, and Medicine, Boston University, Boston, MA, 02215, USA,Corresponding Authors: Mark W. Grinstaff and Yolonda L. Colson
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Rajes K, Walker KA, Hadam S, Zabihi F, Ibrahim-Bacha J, Germer G, Patoka P, Wassermann B, Rancan F, Rühl E, Vogt A, Haag R. Oxidation-Sensitive Core-Multishell Nanocarriers for the Controlled Delivery of Hydrophobic Drugs. ACS Biomater Sci Eng 2021; 7:2485-2495. [PMID: 33905661 DOI: 10.1021/acsbiomaterials.0c01771] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A synthetic route for oxidation-sensitive core-multishell (osCMS) nanocarriers was established, and their drug loading and release properties were analyzed based on their structural variations. The nanocarriers showed a drug loading of 0.3-3 wt % for the anti-inflammatory drugs rapamycin and dexamethasone and the photosensitizer meso-tetra-hydroxyphenyl-porphyrin (mTHPP). Oxidative processes of the nanocarriers were probed in vitro by hydrogen peroxide, and the degradation products were identified by infrared spectroscopy supported by ab initio calculations, yielding mechanistic details on the chemical changes occurring in redox-sensitive nanocarriers. Oxidation-triggered drug release of the model drug Nile Red measured and assessed by time-dependent fluorescence spectroscopy showed a release of up to 80% within 24 h. The drug delivery capacity of the new osCMS nanocarriers was tested in ex vivo human skin with and without pretreatments to induce local oxidative stress. It was found that the delivery of mTHPP was selectively enhanced in skin under oxidative stress. The number and position of the thioether groups influenced the physicochemical as well as drug delivery properties of the carriers.
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Affiliation(s)
- Keerthana Rajes
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Karolina A Walker
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Sabrina Hadam
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Fatemeh Zabihi
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany.,Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Jumana Ibrahim-Bacha
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Gregor Germer
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Piotr Patoka
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Bernhard Wassermann
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Fiorenza Rancan
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Eckart Rühl
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3 and Arnimalle 22, 14195 Berlin, Germany
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Nanogels Capable of Triggered Release. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2021; 178:99-146. [PMID: 33665715 DOI: 10.1007/10_2021_163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
This chapter provides an overview of soft and environmentally sensitive polymeric nanosystems, which are widely known as nanogels. These particles keep great promise to the area of drug delivery due to their high biocompatibility with body fluids and tissues, as well as due to their ability to encapsulate and release the loaded drugs in a controlled manner. For a long period of time, the controlled drug delivery systems were designed to provide long-termed or sustained release. However, some medical treatments such as cancer chemotherapy, protein and gene delivery do not require the prolonged release of the drug in the site of action. In contrast, the rapid increase of the drug concentration is needed for gaining the desired biological effect. Being very sensitive to surrounding media and different stimuli, nanogels can undergo physico-chemical transitions or chemical changes in their structure. Such changes can result in more rapid release of the drugs, which is usually referred to as triggered drug release. Herein we give the basic information on nanogel unique features, methods of sensitive nanogels preparation, as well as on main mechanisms of triggered release. Additionally, the triggered release of low-molecular drugs and biomacromolecules are discussed.
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Wrzecionek M, Ruśkowski P, Gadomska‐Gajadhur A. Mathematically described preparation process of poly(glycerol succinate) resins and elastomers—Meeting science with industry. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5233] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | - Paweł Ruśkowski
- Faculty of Chemistry Warsaw University of Technology Warsaw Poland
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Kumari M, Prasad S, Fruk L, Parshad B. Polyglycerol-based hydrogels and nanogels: from synthesis to applications. Future Med Chem 2021; 13:419-438. [PMID: 33403867 DOI: 10.4155/fmc-2020-0205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Hydrogels and nanogels have emerged as promising materials for biomedical applications owing to their large surface area and tunable mechanical and chemical properties. Their large surface area is well suited for bioconjugation, whilst the interior porous network can be utilized for the transport of valuable biomolecules. The use of biocompatible hydrophilic building blocks/linkers for the preparation of hydrogels and nanogels not only avoids undesired side effects within the biological system, but also retains high water content, thereby creating an environment which is very similar to extracellular matrix. Their tunable multivalency and hydrophilicity and excellent biocompatibility, together with ease of functionalization, makes polyglycerol macromonomers well suited for synthesizing cross-linked networks that can be used as extracellular matrix mimics. Here we provide an overview of the synthesis of polyglycerol-based hydrogels and nanogels for various biomedical applications.
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Affiliation(s)
- Meena Kumari
- Department of Chemistry, Government College for Women, Badhra, Ch. Dadri, Haryana 127308, India
| | - Suchita Prasad
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Ljiljana Fruk
- Department of Chemical Engineering & Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK
| | - Badri Parshad
- Department of Chemical Engineering & Biotechnology, University of Cambridge, Cambridge, CB3 0AS, UK
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Rajes K, Walker KA, Hadam S, Zabihi F, Rancan F, Vogt A, Haag R. Redox-Responsive Nanocarrier for Controlled Release of Drugs in Inflammatory Skin Diseases. Pharmaceutics 2020; 13:pharmaceutics13010037. [PMID: 33383706 PMCID: PMC7823658 DOI: 10.3390/pharmaceutics13010037] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 12/18/2022] Open
Abstract
A synthetic route for redox-sensitive and non-sensitive core multi-shell (CMS) carriers with sizes below 20 nm and narrow molecular weight distributions was established. Cyclic voltammetric measurements were conducted characterizing the redox potentials of reduction-sensitive CMS while showcasing its reducibility through glutathione and tris(2-carboxyethyl)-phosphine as a proof of concept. Measurements of reduction-initiated release of the model dye Nile red by time-dependent fluorescence spectroscopy showed a pronounced release for the redox-sensitive CMS nanocarrier (up to 90% within 24 h) while the non-sensitive nanocarriers showed no release in PBS. Penetration experiments using ex vivo human skin showed that the redox-sensitive CMS nanocarrier could deliver higher percentages of the loaded macrocyclic dye meso-tetra (m-hydroxyphenyl) porphyrin (mTHPP) to the skin as compared to the non-sensitive CMS nanocarrier. Encapsulation experiments showed that these CMS nanocarriers can encapsulate dyes or drugs with different molecular weights and hydrophobicity. A drug content of 1 to 6 wt% was achieved for the anti-inflammatory drugs dexamethasone and rapamycin as well as fluorescent dyes such as Nile red and porphyrins. These results show that redox-initiated drug release is a promising strategy to improve the topical drug delivery of macrolide drugs.
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Affiliation(s)
- Keerthana Rajes
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany;
| | - Karolina A. Walker
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany;
- Correspondence: (K.A.W.); (R.H.); Tel.: +49-030-8385-2633 (R.H.)
| | - Sabrina Hadam
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (S.H.); (F.Z.); (F.R.); (A.V.)
| | - Fatemeh Zabihi
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (S.H.); (F.Z.); (F.R.); (A.V.)
| | - Fiorenza Rancan
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (S.H.); (F.Z.); (F.R.); (A.V.)
| | - Annika Vogt
- Clinical Research Center for Hair and Skin Science, Department of Dermatology and Allergy, Charité-Universitaetsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt Universität zu Berlin, and Berlin Institute of Health, 10117 Berlin, Germany; (S.H.); (F.Z.); (F.R.); (A.V.)
| | - Rainer Haag
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, Takustr. 3, 14195 Berlin, Germany;
- Correspondence: (K.A.W.); (R.H.); Tel.: +49-030-8385-2633 (R.H.)
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Wang YS, Li GL, Zhu SB, Jing FC, Liu RD, Li SS, He J, Lei JD. A Self-assembled Nanoparticle Platform Based on Amphiphilic Oleanolic Acid Polyprodrug for Cancer Therapy. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2401-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Ventura M, Marinas A, Domine ME. Catalytic Processes for Biomass-Derived Platform Molecules Valorisation. Top Catal 2020. [DOI: 10.1007/s11244-020-01309-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Rashmi, Zabihi F, Singh AK, Achazi K, Schade B, Hedtrich S, Haag R, Sharma SK. Non-ionic PEG-oligoglycerol dendron conjugated nano-carriers for dermal drug delivery. Int J Pharm 2020; 580:119212. [PMID: 32165226 DOI: 10.1016/j.ijpharm.2020.119212] [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] [Received: 11/30/2019] [Revised: 02/22/2020] [Accepted: 03/07/2020] [Indexed: 01/03/2023]
Abstract
A new class of non-ionic amphiphiles have been synthesised using a combination of polyethylene glycol (PEG) and oligoglycerol dendrons as hydrophilic units and an alkoxy aryl moiety as hydrophobic unit. The resulting amphiphiles were found to aggregate in aqueous medium. Their aggregation behaviour was studied using dynamic light scattering (DLS), fluorescence spectroscopy, and cryogenic electron microscopy (cryo-TEM). The inner hydrophobic core of these aggregates in aqueous medium is capable of encapsulating lipophilic guest molecules. The encapsulation behaviour was studied using Nile red as a hydrophobic dye as well as Curcumin and Dexamethasone as hydrophobic drug candidates. Furthermore, for biological evaluation, cytotoxicity and cellular uptake was studied using different cancer cell lines. The biomedical application of synthesised amphiphiles was further investigated for dermal drug delivery on excised human skin using Nile red encapsulated in the nanocarrier. The release profile of drug/dye encapsulated amphiphiles was studied under physiochemical conditions in the presence of immobilized lipase Novozym 435.
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Affiliation(s)
- Rashmi
- Department of Chemistry, University of Delhi, Delhi 110 007, India
| | - Fatemeh Zabihi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany; Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2+4, 14195 Berlin, Germany
| | - Abhishek K Singh
- Department of Chemistry, University of Delhi, Delhi 110 007, India; Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
| | - Katharina Achazi
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany
| | - Boris Schade
- Forschungszentrum für Elektronenmikroskopie, Institut für Chemie und Biochemie, Freie Universität Berlin, Fabeckstraße 36a, 14195 Berlin, Germany
| | - Sarah Hedtrich
- University of British Columbia, Faculty of Pharmaceutical Sciences, 2405 Wesbrook Mall, V6T1Z3 Vancouver, Canada; Institute of Pharmacy, Freie Universität Berlin, Königin-Luise-Straße 2+4, 14195 Berlin, Germany
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustraße 3, 14195 Berlin, Germany.
| | - Sunil K Sharma
- Department of Chemistry, University of Delhi, Delhi 110 007, India.
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