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Pawar VU, Dessai AD, Nayak UY. Oleogels: Versatile Novel Semi-Solid System for Pharmaceuticals. AAPS PharmSciTech 2024; 25:146. [PMID: 38937416 DOI: 10.1208/s12249-024-02854-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 05/28/2024] [Indexed: 06/29/2024] Open
Abstract
Oleogels is a novel semi-solid system, focusing on its composition, formulation, characterization, and diverse pharmaceutical applications. Due to their stability, smoothness, and controlled release qualities, oleogels are frequently utilized in food, cosmetics, and medicinal products. Oleogels are meticulously formulated by combining oleogelators like waxes, fatty acids, ethyl cellulose, and phytosterols with edible oils, leading to a nuanced understanding of their impact on rheological characteristics. They can be characterized by methods like visual inspection, texture analysis, rheological measurements, gelation tests, and microscopy. The applications of oleogels are explored in diverse fields such as nutraceuticals, cosmetics, food, lubricants, and pharmaceutics. Oleogels have applications in topical, transdermal, and ocular drug delivery, showcasing their potential for revolutionizing drug administration. This review aims to enhance the understanding of oleogels, contributing to the evolving landscape of pharmaceutical formulations. Oleogels emerge as a versatile and promising solution, offering substantial potential for innovation in drug delivery and formulation practices.
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Affiliation(s)
- Vaishnavi U Pawar
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Akanksha D Dessai
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India
| | - Usha Y Nayak
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal, 576104, Karnataka, India.
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Nikam AN, Roy A, Raychaudhuri R, Navti PD, Soman S, Kulkarni S, Shirur KS, Pandey A, Mutalik S. Organogels: "GelVolution" in Topical Drug Delivery - Present and Beyond. Curr Pharm Des 2024; 30:489-518. [PMID: 38757691 DOI: 10.2174/0113816128279479231231092905] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 11/02/2023] [Indexed: 05/18/2024]
Abstract
Topical drug delivery holds immense significance in dermatological treatments due to its non-invasive nature and direct application to the target site. Organogels, a promising class of topical drug delivery systems, have acquired substantial attention for enhancing drug delivery efficiency. This review article aims to explore the advantages of organogels, including enhanced drug solubility, controlled release, improved skin penetration, non-greasy formulations, and ease of application. The mechanism of organogel permeation into the skin is discussed, along with formulation strategies, which encompass the selection of gelling agents, cogelling agents, and additives while considering the influence of temperature and pH on gel formation. Various types of organogelators and organogels and their properties, such as viscoelasticity, non-birefringence, thermal stability, and optical clarity, are presented. Moreover, the biomedical applications of organogels in targeting skin cancer, anti-inflammatory drug delivery, and antifungal drug delivery are discussed. Characterization parameters, biocompatibility, safety considerations, and future directions in optimizing skin permeation, ensuring long-term stability, addressing regulatory challenges, and exploring potential combination therapies are thoroughly examined. Overall, this review highlights the immense potential of organogels in redefining topical drug delivery and their significant impact on the field of dermatological treatments, thus paving the way for exciting prospects in the domain.
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Affiliation(s)
- Ajinkya Nitin Nikam
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Amrita Roy
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Ruchira Raychaudhuri
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Prerana D Navti
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Soji Soman
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Sanjay Kulkarni
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Krishnaraj Somayaji Shirur
- Department of Conservative Dentistry and Endodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Abhijeet Pandey
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
| | - Srinivas Mutalik
- Department of Pharmaceutics, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal 576104, Karnataka State, India
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Narvaez LEM, Carrillo MP, Cardona-Jaramillo JEC, Vallejo BM, Ferreira LMDMC, Silva-Júnior JOC, Ribeiro-Costa RM. Novel Organogels from Mauritia flexuosa L.f and Caryodendron orinocense Karst.: A Topical Alternative. Pharmaceutics 2023; 15:2681. [PMID: 38140024 PMCID: PMC10747660 DOI: 10.3390/pharmaceutics15122681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/14/2023] [Accepted: 10/17/2023] [Indexed: 12/24/2023] Open
Abstract
Organogels have importance for topical applications because they can be used to deliver drugs in a controlled and prolonged fashion. These are materials consisting of a three-dimensional network of organic molecules dispersed in a solvent. Recent studies have demonstrated that the solvent could be replaced by oils from non-conventional biologic sources. There is a diversity of not-explored species in the Amazon that are promising sources of vegetable oils with a promising composition. This study developed an organogel with buriti (Mauritia flexuosa L.f) and cacay (Caryodendron orinocense Karst.) oils, using cetostearyl alcohol as an organogelator due to its compatibility, stability, security, affordability, and it is readily available. The oils were characterized, and the organogels were synthesized by studying their crystal evolution and oil-binding capacity. The microstructure was evaluated with polarized light microscopy, fractal dimension, FTIR spectroscopy, XRD, and thermal and rheological analyses. It was found that the critical gelation concentration was higher for cacay oil as it possessed a higher amount of polyunsaturated triacylglycerols. The crystals of the buriti organogel had a smaller lamellar shape, a greater surface area, and physical and thermal stability; although, it presented a slower crystal evolution due to the low number of minor compounds and a greater number of saturated triacylglycerols. The polar fraction of the organogelators as well as triacylglycerol and minor polar compounds are important in forming crystallization nuclei. The study showed that Amazonian oils in crystallization processes form microstructures with differentiating physicochemical properties.
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Affiliation(s)
- Luis Eduardo Mosquera Narvaez
- Institute of Health Sciences, Federal University of Pará, Belém 66075-110, Brazil; (L.E.M.N.); (L.M.d.M.C.F.); (J.O.C.S.-J.)
- Sinchi Amazon Research Institute, Bogotá 110311, Colombia; (M.P.C.); (J.E.C.C.-J.)
| | - Marcela P. Carrillo
- Sinchi Amazon Research Institute, Bogotá 110311, Colombia; (M.P.C.); (J.E.C.C.-J.)
| | | | | | | | | | - Roseane Maria Ribeiro-Costa
- Institute of Health Sciences, Federal University of Pará, Belém 66075-110, Brazil; (L.E.M.N.); (L.M.d.M.C.F.); (J.O.C.S.-J.)
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Nayak K, Sahoo S, De P. Chirality and solvent assisted gelation modulation with stearoyl appended macromolecules. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Zhao Y, Liang L, Li Y, Hien KTT, Mizutani G, Rutt HN. Sum frequency generation spectroscopy of the attachment disc of a spider. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 263:120161. [PMID: 34293667 DOI: 10.1016/j.saa.2021.120161] [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: 03/12/2021] [Revised: 07/01/2021] [Accepted: 07/04/2021] [Indexed: 06/13/2023]
Abstract
The pyriform silk of the attachment disc of a spider was studied using infrared-visible vibrational sum frequency generation (SFG) spectroscopy. The spider can attach dragline and radial lines to many kinds of substrates in nature (concrete, alloy, metal, glass, plant branches, leaves, etc.) with the attachment disc. The adhesion can bear the spider's own weight, and resist the wind on its orb web. From our SFG spectroscopy study, the NH group of arginine side chain and/or NH2 group of arginine and glutamine side chain in the amino acid sequence of the attachment silk proteins are suggested to be oriented in the disc. It was inferred from the observed doublet SFG peaks at around 3300 cm-1 that the oriented peptide contains two kinds of structures.
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Affiliation(s)
- Yue Zhao
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Lin Liang
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Yanrong Li
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Khuat Thi Thu Hien
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan
| | - Goro Mizutani
- School of Materials Science, Japan Advanced Institute of Science and Technology, 1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan.
| | - Harvey N Rutt
- School of Electronic and Computer Science, University of Southampton, Southampton, SO17 1BJ, UK
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Petrov SA, Machulkin AE, Petrov RA, Tavtorkin AN, Bondarenko GN, Legkov SA, Nifant'ev IE, Dolzhikova VD, Zyk NV, Majouga AG, Beloglazkina EK. Synthesis and organogelating behaviour of urea- and Fmoc-containing diphenylalanine based hexaamide. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Choi YJ, Jung D, Lim SI, Yoon WJ, Kim DY, Jeong KU. Diacetylene-Functionalized Dendrons: Self-Assembled and Photopolymerized Three-Dimensional Networks for Advanced Self-Healing and Wringing Soft Materials. ACS APPLIED MATERIALS & INTERFACES 2020; 12:33239-33245. [PMID: 32602691 DOI: 10.1021/acsami.0c08137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The physical properties of supramolecular soft materials strongly depend on the molecular packing structures constructed by thermodynamically and kinetically controlled molecular self-assembly. To investigate the relationship between molecular function and self-assembled molecular packing structure, a series of diacetylene (DA)-based supramolecules was synthesized by chemically connecting flexible dendrons to DA with amide (aDA-D) or ester (eDA-D) functions. The three-dimensional (3D) organogel network of amide-functionalized aDA-D was prepared in both polar and nonpolar solvents due to the intermolecular hydrogen bonding. 3D networks of aDA-D can be further stabilized by topochemical photopolymerization. The self-healing behavior of aDA-D was observed in the sheet-like structure formed in n-dodecane by the hydrophobic interaction between the gelator and solvent. The wringing behavior of aDA-D was also demonstrated using the dynamic interaction of amide function with n-butanol solvent. Kinetically controlled and photostabilized 3D networks can be a key component from biomedical devices to soft robotic applications.
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Affiliation(s)
- Yu-Jin Choi
- Department of Polymer-Nano Science and Technology, Department of Nanoconvergence Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Daseal Jung
- Department of Polymer-Nano Science and Technology, Department of Nanoconvergence Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Seok-In Lim
- Department of Polymer-Nano Science and Technology, Department of Nanoconvergence Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Won-Jin Yoon
- Department of Polymer-Nano Science and Technology, Department of Nanoconvergence Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
| | - Dae-Yoon Kim
- Functional Composite Materials Research Center, Korea Institute of Science and Technology, Bongdong 55324, Republic of Korea
| | - Kwang-Un Jeong
- Department of Polymer-Nano Science and Technology, Department of Nanoconvergence Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea
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Garcia AM, Lavendomme R, Kralj S, Kurbasic M, Bellotto O, Cringoli MC, Semeraro S, Bandiera A, De Zorzi R, Marchesan S. Self-Assembly of an Amino Acid Derivative into an Antimicrobial Hydrogel Biomaterial. Chemistry 2020; 26:1880-1886. [PMID: 31868256 DOI: 10.1002/chem.201905681] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Indexed: 02/06/2023]
Abstract
N-(4-Nitrobenzoyl)-Phe self-assembled into a transparent supramolecular hydrogel, which displayed high fibroblast and keratinocyte cell viability. The compound showed a mild antimicrobial activity against E. coli both as a hydrogel and in solution. Single-crystal XRD data revealed packing details, including protonation of the C-terminus due to an apparent pKa shift, as confirmed by pH titrations. MicroRaman analysis revealed almost identical features between the gel and crystal states, although more disorder in the former. The hydrogel is thermoreversible and disassembles within a range of temperatures that can be fine-tuned by experimental conditions, such as gelator concentration. At the minimum gelling concentration of 0.63 wt %, the hydrogel disassembles in a physiological temperature range of 39-42 °C, thus opening the way to its potential use as a biomaterial.
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Affiliation(s)
- Ana M Garcia
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Roy Lavendomme
- Department of Chemistry, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK
| | - Slavko Kralj
- Materials Synthesis Department, Jožef Stefan Institute, Jamova 39, 1000, Ljubljana, Slovenia
| | - Marina Kurbasic
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Ottavia Bellotto
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Maria C Cringoli
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Sabrina Semeraro
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Antonella Bandiera
- Dipartimento di Scienze della Vita, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Rita De Zorzi
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
| | - Silvia Marchesan
- Dipartimento di Scienze Chimiche e Farmaceutiche, University of Trieste, Via L. Giorgieri 1, 34127, Trieste, Italy
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