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Ali I, Ali A, Guo L, Burki S, Rehman JU, Fazal M, Ahmad N, Khan S, Toloza CAT, Shah MR. Synthesis of calix (4) resorcinarene based amphiphilic macrocycle as an efficient nanocarrier for Amphotericin-B to enhance its oral bioavailability. Colloids Surf B Biointerfaces 2024; 238:113918. [PMID: 38669750 DOI: 10.1016/j.colsurfb.2024.113918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/22/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024]
Abstract
The supramolecular-based macrocyclic amphiphiles have fascinating attention and find extensive utilization in the pharmaceutical industry for efficient drug delivery. In this study, we designed and synthesized a new supramolecular amphiphilic macrocycle to serve as an efficient nanocarrier, achieved by treating 4-hydroxybenzaldehyde with 1-bromotetradecane. The derivatized product was subsequently treated with resorcinol to cyclize, resulting in the formation of a calix(4)-resorcinarene-based supramolecular amphiphilic macrocycle. The synthesized macrocycle and intermediate products were characterized using mass spectrometry, IR, and 1H NMR spectroscopic techniques. The amphotericin-B (Amph-B)-loaded and unloaded amphiphiles were screened for biocompatibility studies, vesicle formation, particle shape, size, surface charge, drug entrapment, in-vitro release profile, and stability through atomic force microscopy (AFM), Zetasizer, HPLC, and FT-IR. Amph-B -loaded macrocycle-based niosomal vesicles were investigated for in-vivo bioavailability in rabbits. The synthesized macrocycle exhibited no cytotoxicity against normal mouse fibroblast cells and was found to be hemocompatible and safe in mice following an acute toxicity study. The drug-loaded macrocycle-based vesicles appeared spherical, nano-sized, and homogeneous in size, with a notable negative surface charge. The vesicles remained stable after 30 days of storage. The results of Amph-B oral bioavailability and pharmacokinetics revealed that the newly tailored niosomal formulation enhanced drug solubility, protected drug degradation at gastric pH, facilitated sustained drug release at the specific target site, and delayed plasma drug clearance. Incorporating such advanced niosomal formulations in the field of drug delivery systems has the potential to revolutionize therapeutic outcomes and improve the quality of patient well-being.
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Affiliation(s)
- Imdad Ali
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi 74200, Pakistan
| | - Amjad Ali
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China; Institute of Chemistry University of Silesia Szkolna 9, Katowice 40-600, Poland.
| | - Li Guo
- School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Samiullah Burki
- Department of Pharmacology, Institute of Pharmaceutical Sciences, Jinnah Sindh Medical University, Karachi
| | - Jawad Ur Rehman
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi 74200, Pakistan
| | - Mahmood Fazal
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi 74200, Pakistan
| | - Naushad Ahmad
- Department of Chemistry, College of Science, King Saud University, Riyadh-11451, Kingdom of Saudi Arabia
| | - Sarzamin Khan
- Department of Chemistry, University of Swabi, Khyber Pakhtunkhwa, Anbar-23561, Pakistan
| | - Carlos A T Toloza
- Department of Natural and Exact Science, Universidad de la Costa, Barranquilla, Colombia
| | - Muhammad Raza Shah
- H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences, University of Karachi, Karachi 74200, Pakistan.
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Hernández-Fernández J, Castro-Suarez JR, Toloza CAT. Iron Oxide Powder as Responsible for the Generation of Industrial Polypropylene Waste and as a Co-Catalyst for the Pyrolysis of Non-Additive Resins. Int J Mol Sci 2022; 23:ijms231911708. [PMID: 36233019 PMCID: PMC9569922 DOI: 10.3390/ijms231911708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/16/2022] Open
Abstract
For the synthesis of polymeric resins, it is of great importance to review the raw materials and the equipment to be used to avoid the presence of compounds that may affect the effectiveness of the polymerization and the characteristics of the plastic to be obtained. Iron oxide is a compound that can be present in reactors after maintenance due to the techniques used and the cleaning of this equipment, and it can affect the characteristics of the resins, reducing their quality. In this study, the presence of FeO in different concentrations was evaluated to determine its effects on the properties and pyrolysis of polypropylene resins by using X-ray refraction to determine the elements of the samples, evaluating thermal degradation by TGA, the variation in molecular weight by measuring the MFI, and the compounds obtained from pyrolysis by chromatography. The results showed that the thermal degradation decreased as the FeO concentration increased, while for the MFI, the relationship was directly proportional. The evaluation of the compounds obtained from pyrolysis showed an increase in the production of alcohols, alkynes, ketones, and acids, and a decrease in alkanes and alkenes, showing that FeO affects the properties of polypropylene and the compounds that are produced during pyrolysis.
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Affiliation(s)
- Joaquín Hernández-Fernández
- Chemistry Program, Department of Natural and Exact Sciences, San Pablo Campus, University of Cartagena, Cartagena 130015, Colombia
- Chemical Engineering Program, School of Engineering, Universidad Tecnológica de Bolivar, Parque Industrial y Tecnológico Carlos Vélez Pombo Km 1 Vía Turbaco, Cartagena 130001, Colombia
- Correspondence: ; Tel.: +57-301-5624990
| | - John R. Castro-Suarez
- Área Básicas Exactas, Universidad del Sinú, Seccional Cartagena, Cartagena 130015, Colombia
| | - Carlos A. T. Toloza
- Department of Natural and Exact Science, Universidad de la Costa, Barranquilla 080002, Colombia
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Almeida JMS, Ribeiro ABP, Toloza CAT, Alves ICB, Santos JRN, De Azevedo LCM, Aucélio RQ, Marques ALB. Simple Voltammetric Determination of Iron in Ethanol and Biodiesel Using a Bismuth Film Coated Glassy Carbon Electrode. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2053701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- Joseany M. S. Almeida
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Ana Beatriz P. Ribeiro
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
| | - Carlos A. T. Toloza
- Department of Natural and Exact Sciences, Universidad de la Costa, Barranquilla, Colombia
| | - Ismael C. B. Alves
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
| | - José Ribamar N. Santos
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
| | - Lorena C. M. De Azevedo
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
| | - Ricardo Q. Aucélio
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Aldaléa L. B. Marques
- Department of Chemical Technology, (NEPE: LPQA & LAPQAP), Federal University of Maranhão (UFMA), São Luís, Brazil
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da Silva WA, Feiteira FN, Francisco JE, Toloza CAT, Aucélio RQ, Pacheco WF. Pre-concentration of rosuvastatin using solid-phase extraction in a molecularly imprinted polymer and analytical application in water supply. Environ Sci Pollut Res Int 2020; 27:11724-11735. [PMID: 31975002 DOI: 10.1007/s11356-020-07742-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 01/14/2020] [Indexed: 06/10/2023]
Abstract
In this work, it is shown the development and validation of innovative analytical methodology based on solid-phase extraction (SPE) with molecularly imprinted polymers (MIP) as a sorbent associated to UV-Vis spectroscopy to isolate and quantify, respectively, rosuvastatin (RSV) in water samples. For this purpose, porogenic solvent in MIP synthesis and SPE extraction parameters for MIP and non-imprinted polymers (NIP) were evaluated univariately for comparison purposes. The sorptive capacity and characterization studies by infrared spectroscopy and atomic force microscopy showed difference between MIP and NIP. The selectivity study of the MIP-RSV against other statins (simvastatin and atorvastatin) showed that the synthesized MIP can also be applied as a solid phase for isolation and quantitative pre-concentration of RSV and atorvastatin. The conjugation of SPE and UV-Vis spectroscopy in the determination of RSV in aqueous matrices led to large factor of pre-concentration (125 times), limit of detection (LOD) of 3 μg L-1, limit of quantification (LOQ) of 10 μg L-1, precision of 2.87% (n = 10), and accuracy of 83.1% (n = 4).
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Affiliation(s)
- Wanderson A da Silva
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca (CEFET-RJ), Campus Petrópolis, Coordenação de Licenciatura em Física, Petrópolis, Brazil.
- Instituto de Química, Programa de Pós-Graduação em Química, Universidade Federal Fluminense, Niterói, Brazil.
| | - Fernanda N Feiteira
- Instituto de Química, Programa de Pós-Graduação em Química, Universidade Federal Fluminense, Niterói, Brazil
| | - Janaína E Francisco
- Instituto de Química, Programa de Pós-Graduação em Química, Universidade Federal Fluminense, Niterói, Brazil
| | - Carlos A T Toloza
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
- Department of Natural and Exact Sciences, Universidad de la Costa, Barranquilla, Colombia
| | - Ricardo Q Aucélio
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Wagner F Pacheco
- Instituto de Química, Programa de Pós-Graduação em Química, Universidade Federal Fluminense, Niterói, Brazil
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Toloza CAT, Almeida JMS, Silva LOP, Macedo RC, Lamounier AP, Aucelio RQ, da Cunha ALMC. Determination of Kresoxim-Methyl in Water and in Grapes by High-Performance Liquid Chromatography (HPLC) Using Photochemical-Induced Fluorescence and Dispersive Liquid-Liquid Microextraction (DLLME). ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1733589] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Carlos A. T. Toloza
- Chemistry Department, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
- Department of Natural and Exact Sciences, Universidad de la Costa, Barranquilla, Colombia
| | - Joseany M. S. Almeida
- Chemistry Department, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Lillian O. P. Silva
- Chemistry Department, Education, Science and Technology Federal Institute of Rio de Janeiro (IFRJ), Rio de Janeiro, Brazil
| | - Rosana C. Macedo
- Chemistry Department, Education, Science and Technology Federal Institute of Rio de Janeiro (IFRJ), Rio de Janeiro, Brazil
| | - Ana Paula Lamounier
- Chemistry Department, Education, Science and Technology Federal Institute of Rio de Janeiro (IFRJ), Rio de Janeiro, Brazil
| | - Ricardo Q. Aucelio
- Chemistry Department, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil
| | - Alessandra L. M. C. da Cunha
- Chemistry Department, Education, Science and Technology Federal Institute of Rio de Janeiro (IFRJ), Rio de Janeiro, Brazil
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Pinto IA, Toloza CAT, Almeida JMS, da Silva AR, Larrude DG, Aucélio RQ. Quantification of neomycin in rubella vaccine by off/on metal ion mediated photoluminescence from functionalized graphene quantum dots. Spectrochim Acta A Mol Biomol Spectrosc 2019; 220:117139. [PMID: 31146209 DOI: 10.1016/j.saa.2019.117139] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Revised: 05/16/2019] [Accepted: 05/16/2019] [Indexed: 06/09/2023]
Abstract
The determination of neomycin sulfate was made using photoluminescent amino-functionalized graphene quantum dots (obtained from hydro-exfoliation of a mixture of citric acid and glutathione). From the several ions tested, Fe3+ was the best mediator to enable an off/on photoluminescence effect used for quantification. The mediation of Fe3+ was found to be crucial as it is responsible for the photoluminescence quenching effect, due to the interaction with quantum dots surface, also having large affinity towards neomycin that removes Fe3+ from the surface of GQDs, consequently, promoting restoration of the original nanomaterial photoluminescence. Such signal restoration was proportional to the neomycin sulfate concentration added. The linearized analytical response covered three orders of magnitude (10-7 to 10-5 mol L-1). The proposed method is an alternative to those requiring labor-intensive procedures for chemical the derivatization of neomycin (due to the lack of chromophore groups in aminoglycosides). The method was successfully tested in the analysis of rubella vaccine containing trace residues of neomycin and in pharmaceutical compositions containing neomycin sulfate after solid phase extraction using an aminoglycoside imprinted polymer to improve selectivity in determinations.
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Affiliation(s)
- Igor Araújo Pinto
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Carlos A T Toloza
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil; Chemistry Program, Universidad del Atlántico, Puerto Colombia, Atlántico, Colombia
| | - Joseany M S Almeida
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Andrea R da Silva
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca (CEFET/RJ), 27600-000 Valença, RJ, Brazil
| | - Dunieskys G Larrude
- MackGraphe-Graphene and Nanomaterial Research Center, Mackenzie Presbyterian University, 01302-907 São Paulo, Brazil
| | - Ricardo Q Aucélio
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil.
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Toloza CAT, Almeida JMS, Khan S, Dos Santos YG, da Silva AR, Aucélio RQ. Kanamycin detection at graphene quantum dot-decorated gold nanoparticles in organized medium after solid-phase extraction using an aminoglycoside imprinted polymer. MethodsX 2019; 5:1605-1612. [PMID: 30622923 PMCID: PMC6313822 DOI: 10.1016/j.mex.2018.11.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 11/27/2018] [Indexed: 11/01/2022] Open
Abstract
This is a description of the indirect determination of kanamycin sulfate though the photoluminescence enhancement of an aqueous dispersion of amino-functionalized graphene quantum dots (amino-GQDs) coupled with gold nanoparticles (AuNPs) in a cationic surfactant-rich medium. Specifically, cetyltrimethylammonium bromide (CTAB) was used as the cationic surfactant in our work. Previously, solid phase extraction with a cartridge packed with aminoglycoside-selective imprinted polymer ensured selectivity in kanamycin determination in yellow-fever vaccine and veterinary pharmaceutical samples. The proposed method has trace analysis capability and it is simple to perform as it does not involve the use of toxic reagents employed for chemical derivatization of aminoglycoside antibiotics.
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Affiliation(s)
- Carlos A T Toloza
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil.,Chemistry Program, Universidad del Atlantico, Puerto Colombia, Colombia
| | - Joseany M S Almeida
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Sarzamin Khan
- Department of Chemistry, University of Swabi, Khyber Pakhtunkhwa, Anbar, 23561, Pakistan
| | - Yasmin G Dos Santos
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
| | - Andrea R da Silva
- Centro Federal de Educação Tecnológica Celso Suckow da Fonseca (CEFET/RJ), 27600-000, Valença, RJ, Brazil
| | - Ricardo Q Aucélio
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro, 22451-900, Brazil
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