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Mir A, Fletcher WJ, Taylor DK, Alam J, Riaz U. Sustained Release Studies of Metformin Hydrochloride Drug Using Conducting Polymer/Gelatin-Based Composite Hydrogels. ACS OMEGA 2024; 9:18766-18776. [PMID: 38708204 PMCID: PMC11064195 DOI: 10.1021/acsomega.3c05067] [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: 07/14/2023] [Revised: 08/27/2023] [Accepted: 01/10/2024] [Indexed: 05/07/2024]
Abstract
The present work highlights the synthesis and characterization of conducting polymer (CP)-based composite hydrogels with gelatin (GL-B) for their application as drug delivery vehicles. The spectral, morphological, and rheological properties of the synthesized hydrogels were explored, and morphological studies confirmed formation of an intense interpenetrating network. Rheological measurements showed variation in the flow behavior with the type of conducting polymer. The hydrogels showed a slow drug release rate of about 10 h due to the presence of the conducting polymer. The release kinetics were fitted in various mathematical models and were best fit in first order for PNA-, POPD-, and PANI-based GL-B hydrogels, and the PVDF/GL-B hydrogel was best fit in the zero-order models. The drug release was found to follow the order: POPD/GL-B > PANI/GL-B > PVDF/GL-B.
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Affiliation(s)
- Aleena Mir
- Materials
Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Wilbert J. Fletcher
- Department
of Chemistry and Biochemistry, North Carolina
Central University, Durham, North Carolina 27707, United States
| | - Darlene K. Taylor
- Department
of Chemistry and Biochemistry, North Carolina
Central University, Durham, North Carolina 27707, United States
| | - Javed Alam
- King
Abdullah Institute for Nanotechnology (KAIN), King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ufana Riaz
- Department
of Chemistry and Biochemistry, North Carolina
Central University, Durham, North Carolina 27707, United States
- Materials
Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
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Mir A, Kumar A, Alam J, Riaz U. Synthesis and characterization of pH-responsive conducting polymer/Na-alginate/gelatin based composite hydrogels for sustained release of amoxicillin drug. Int J Biol Macromol 2023; 252:126015. [PMID: 37517746 DOI: 10.1016/j.ijbiomac.2023.126015] [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: 05/11/2023] [Revised: 07/23/2023] [Accepted: 07/25/2023] [Indexed: 08/01/2023]
Abstract
Composite hydrogels of Na-Alginate (Na-ALG) and Gelatin (GEL) with conducting polymers (CPs) were synthesised using poly(o-phenylenediamine) (POPD), polyaniline (PANI), poly(1-naphthylamine (PNA) and poly(vinylenedine fluoride) (PVDF). The synthesised hydrogels were characterized using FTIR, scanning electron microscopy (SEM) rheology, swelling ability and in-vitro drug release characteristics. The purpose of this investigation was to determine whether these hydrogels could be used to deliver antibiotics for extended drug release. The composite hydrogels were loaded with antibiotic drug: amoxicillin in three different concentrations and the release was studied at intestinal fluid (pH 7.4) and gastric fluid (pH 1.2). Release kinetics was found to show best fit in zero order models at both pH values and showed prolonged release characteristics. The POPD-Na-ALG/GEL showed highest release at intestinal pH of 7.4, while PVDF-Na-ALG/GEL showed highest release at gastric pH at 1.2.
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Affiliation(s)
- Aleena Mir
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Amit Kumar
- Theory & Simulation Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India
| | - Javed Alam
- College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ufana Riaz
- Department of Chemistry and Biochemistry, North Carolina Central University, NC, 27707, USA; Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi 110025, India.
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Baek MJ, Park JH, Nguyen DT, Kim D, Kim J, Kang IM, Kim DD. Bentonite as a water-insoluble amorphous solid dispersion matrix for enhancing oral bioavailability of poorly water-soluble drugs. J Control Release 2023; 363:525-535. [PMID: 37797889 DOI: 10.1016/j.jconrel.2023.09.051] [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: 08/06/2023] [Revised: 09/19/2023] [Accepted: 09/30/2023] [Indexed: 10/07/2023]
Abstract
Bentonite (BT), an orally administrable natural clay, is widely used for medical and pharmaceutical purposes due to its unique properties, including swelling, adsorption and ion-exchange. However, its application as a matrix of amorphous solid dispersion (ASD) formulations is rarely reported, despite the fact that drugs can adsorb to BT in an amorphous state. The objective of this study was to explore the feasibility of BT as a water-insoluble ASD matrix for enhancing the oral bioavailability of poorly water-soluble drugs, including sorafenib (SF). We prepared a novel BT-based ASD of an SF-BT composite (SFBTC) by adsorbing SF onto BT under acidic conditions using the ionic interaction between cationic SF and negatively charged BT. Scanning electron microscopy (SEM), powder X-ray diffractometry (pXRD), and differential scanning calorimetry (DSC) analyses revealed that SF adsorbed to BT in an amorphous state at SF:BT ratios from 1:3 to 1:10. In pharmacokinetic studies in rats, SFBTC (1:3) significantly improved the oral bioavailability of SF, and the AUClast of SFBTC (1:3) was 3.3-fold higher than that of NEXAVAR®, a commercial product of SF. An in vitro release study under sink conditions revealed that SFBTC (1:3) completely released SF in a pH-dependent manner, while a nonsink condition study indicated the generation of supersaturation under intestinal pH conditions. A kinetic solubility study showed that the release of SFBTC (1:3) followed the diffusion-controlled mechanism, which is a typical characteristic of water-insoluble matrix-based ASDs. The pharmacokinetic studies of drug-BT composites of various drugs belonging to BCS class II indicated that the pKa value of the adsorbed drugs is one of the most important factors determining their dissolution and oral bioavailability. These results suggest that BT could be a promising water-insoluble ASD matrix for improving the oral bioavailability of poorly water-soluble drugs, including SF.
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Affiliation(s)
- Min-Jun Baek
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Ju-Hwan Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Duy-Thuc Nguyen
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Dahan Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Jaehwan Kim
- Advanced Geo-materials Research Department, Korea Institute of Geoscience and Mineral Resources, Pohang 37559, Republic of Korea
| | - Il-Mo Kang
- Advanced Geo-materials Research Department, Korea Institute of Geoscience and Mineral Resources, Pohang 37559, Republic of Korea
| | - Dae-Duk Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Gwanak-gu, Seoul 08826, Republic of Korea.
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Logeshwaran A, Elsen R, Nayak S. Mechanical and biological characteristics of 3D fabricated clay mineral and bioceramic composite scaffold for bone tissue applications. J Mech Behav Biomed Mater 2023; 138:105633. [PMID: 36603527 DOI: 10.1016/j.jmbbm.2022.105633] [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: 10/11/2022] [Revised: 12/13/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
3D printing technology provides a platform to fabricate a wide range of structures and complex geometry-based scaffolds through computer-aided design (CAD). This study investigates the possibility of developing Bentonite(BEN)/Hydroxyapatite(HAP) scaffold with different HAP wt% (25, 50, 75) using a 3D printing technique (Robocasting) for potential bone tissue applications. Thermal stability of the composites was characterized in TGA and rheological properties of slurries were observed to have different viscosity and shear stress, especially BEN-HAP 50 wt% achieves all criteria for high-quality printing. The fabricated scaffolds were subjected to sintering from 200 °C to 1000 °C for proper densification and attained a maximum compression strength of 52 MPa at 1000 °C for the printed structures. Changes in crystallinity and functional groups were observed as well with respective sintering temperatures. In this study, we also discussed the extrusion and rheological properties of the composite slurry. Porosity, water absorption, degradation and density were studied to understand the physical properties of the sintered scaffolds. The biological characteristics of the scaffold were studied using MG63 cell lines In vitro biocompatibility study and expressed 91% of viability for the 1000 °C sintered samples under controlled culture conditions.
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Affiliation(s)
- A Logeshwaran
- School Of Bioscience And Technology, Vellore Institute Of Technology (VIT), Katpadi, Vellore, 632014, Tamil nadu, India
| | - Renold Elsen
- school Of Mechanical Engineering, Vellore Institute Of Technology (VIT), Katpadi, Vellore, 632014, Tamil Nadu, India
| | - Sunita Nayak
- School Of Bioscience And Technology, Vellore Institute Of Technology (VIT), Katpadi, Vellore, 632014, Tamil nadu, India.
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Alsulami QA, Hussein MA. A Sequence Study on the Enhanced Charge Transfer of SWCNTs and CuO-Reinforced Poly(o-anisidine-co-o-toluidine) Nanocomposites. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02539-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Zia J, Riyazuddin M, Jackson S, Taylor DK, Riaz U. In-vitro release studies of ciprofloxacin drug using polyaniline/polypyrrole-encapsulated β-cyclodextrin nanocomposites. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-022-04667-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Synthesis and Characterization of Conducting Polymer/Alginate Composite Hydrogels: Effect of Conducting Polymer Loading on the Release Behaviour of Metformin Drug. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2022.121193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Kimna C, Deger S, Tamburaci S, Tihminlioglu F. Microfluidic‐assisted preparation of nano and microscale chitosan based
3D
composite materials: Comparison with conventional methods. J Appl Polym Sci 2022. [DOI: 10.1002/app.52955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ceren Kimna
- Department of Chemical Engineering İzmir Institute of Technology İzmir Turkey
| | - Sibel Deger
- Department of Chemical Engineering İzmir Institute of Technology İzmir Turkey
| | - Sedef Tamburaci
- Department of Chemical Engineering İzmir Institute of Technology İzmir Turkey
| | - Funda Tihminlioglu
- Department of Chemical Engineering İzmir Institute of Technology İzmir Turkey
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Verma A, Parveen R, Shamsi TN, Khan AA, Fatima S, Aazam ES, Riaz U. Ed .A Novel Strategy to Arrest Bacterial Pathogen Infestation Using Poly(o‐Phenylenediamine)/ Montmorillonite Nanocomposites. ChemistrySelect 2022. [DOI: 10.1002/slct.202200797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anurakshee Verma
- Materials Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India E-
| | - Romana Parveen
- Department of Biotechnology, Jamia Millia Islamia New Delhi 110025 India
| | - Tooba Naz Shamsi
- Department of Biotechnology, Jamia Millia Islamia New Delhi 110025 India
| | - Azmat Ali Khan
- Pharmaceutical Biotechnology Lab Department of Pharmaceutical Chemistry College of Pharmacy King Saud University Riyadh 11451, KSA
| | - Sadaf Fatima
- Department of Biotechnology, Jamia Millia Islamia New Delhi 110025 India
| | - Elham S. Aazam
- Chemistry Department Faculty of Science King Abdul Aziz University Jeddah 23622 Saudia Arabia
| | - Ufana Riaz
- Materials Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India E-
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Chaudhary KR, Puri V, Singh A, Singh C. A review on recent advances in nanomedicines for the treatment of pulmonary tuberculosis. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2021.103069] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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12
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Riaz U, Singh N, Verma A, Aazam ES. Studies on conducting polymer intercalated layered double hydroxide nanocomposites: Antituberculosis drug delivery agents. POLYM ENG SCI 2020. [DOI: 10.1002/pen.25530] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Ufana Riaz
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia New Delhi India
| | - Neetika Singh
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia New Delhi India
| | - Anurakshee Verma
- Materials Research Laboratory, Department of Chemistry, Jamia Millia Islamia New Delhi India
| | - Elham S. Aazam
- Chemistry Department, Faculty of Science King Abdul Aziz University Jeddah Saudi Arabia
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Kazemi H, Adelkhani H, Didehban K, Kazazi M, Ajami N. Electrophoretic as New Method for Deposition of Polyaniline Derivatives Nanostructure Coatings. POLYMER SCIENCE SERIES B 2019. [DOI: 10.1134/s1560090419060058] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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14
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Nezami S, Sadeghi M. pH-sensitive free AgNPs composite and nanocomposite beads based on starch as drug delivery systems. Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02801-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Tanc B, Orakdogen N. A versatile strategy for mechanically durable nanocomposite cryogels based on cationic (alkyl)methacrylates and hydrophilic bentonite via freezing (cryo)polymerization. SOFT MATTER 2019; 15:3208-3226. [PMID: 30912566 DOI: 10.1039/c9sm00197b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A simple strategy for the preparation of organic-inorganic (alkyl)methacrylate-based nanocomposite gels was established. The preparation procedure was based on free-radical copolymerization of cationic monomer N,N-dimethylaminoethyl methacrylate (DMAEMA) in the presence of a low amount of ionic comonomer 2-acrylamido-2-methyl-propanosulfonic acid (AMPS), nanoclay bentonite (BENT) and diethyleneglycol dimethacrylate (DEGDMA) as a chemical crosslinker. The parameters of equilibrium volume swelling, initial swelling rate, diffusional exponent, and early- and late-time diffusion coefficients were evaluated from the swelling measurements in salt solutions. PDMAEMA retained its own characteristics regardless of the amounts of ionic comonomer AMPS and nanoclay bentonite. The prepared nanocomposite cryogels/hydrogels were found to be pH and temperature-responsive. The elastic moduli and compressibility of the nanocomposite NC/BENTm-Cgels were much higher than those of NC/BENTm-Hgels. The effective crosslink density distribution of the nanocomposite NC/BENTm-Hgels was evaluated from the elastic moduli data of the as-prepared state and the degree of crosslinking was described by a quadratic polynomial as a function of the clay concentration. At high clay content, the nanocomposite NC/BENTm gels exhibited a lower swelling degree, and thus a higher crosslinking density than the clay-free gels. Both NC/BENTm Hgels and Cgels exhibited obvious pH and temperature double sensitiveness; the equilibrium degree of swelling decreased as the solution's pH or the swelling temperature increased. The power law exponent values obtained from dynamic swelling in aqueous Na2SO4 solution indicated that the sorption mechanism of both the nanocomposite NC/BENTm-Hgel and NC/BENTm-Cgel samples was Fickian controlled. Overall, this study successfully establishes the thermodynamic relations between the physico-mechanical behavior and characteristic network parameters of (alkyl)methacrylate-based nanocomposite gels prepared at various BENT concentrations.
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Affiliation(s)
- Beril Tanc
- Istanbul Technical University, Department of Chemistry, Soft Materials Research Laboratory, 34469, Istanbul, Maslak, Turkey.
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