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Ribeiro M, Simões M, Vitorino C, Mascarenhas-Melo F. Hydrogels in Cutaneous Wound Healing: Insights into Characterization, Properties, Formulation and Therapeutic Potential. Gels 2024; 10:188. [PMID: 38534606 DOI: 10.3390/gels10030188] [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: 02/01/2024] [Revised: 02/26/2024] [Accepted: 03/05/2024] [Indexed: 03/28/2024] Open
Abstract
Hydrogels are polymeric materials that possess a set of characteristics meeting various requirements of an ideal wound dressing, making them promising for wound care. These features include, among others, the ability to absorb and retain large amounts of water and the capacity to closely mimic native structures, such as the extracellular matrix, facilitating various cellular processes like proliferation and differentiation. The polymers used in hydrogel formulations exhibit a broad spectrum of properties, allowing them to be classified into two main categories: natural polymers like collagen and chitosan, and synthetic polymers such as polyurethane and polyethylene glycol. This review offers a comprehensive overview and critical analysis of the key polymers that can constitute hydrogels, beginning with a brief contextualization of the polymers. It delves into their function, origin, and chemical structure, highlighting key sources of extraction and obtaining. Additionally, this review encompasses the main intrinsic properties of these polymers and their roles in the wound healing process, accompanied, whenever available, by explanations of the underlying mechanisms of action. It also addresses limitations and describes some studies on the effectiveness of isolated polymers in promoting skin regeneration and wound healing. Subsequently, we briefly discuss some application strategies of hydrogels derived from their intrinsic potential to promote the wound healing process. This can be achieved due to their role in the stimulation of angiogenesis, for example, or through the incorporation of substances like growth factors or drugs, such as antimicrobials, imparting new properties to the hydrogels. In addition to substance incorporation, the potential of hydrogels is also related to their ability to serve as a three-dimensional matrix for cell culture, whether it involves loading cells into the hydrogel or recruiting cells to the wound site, where they proliferate on the scaffold to form new tissue. The latter strategy presupposes the incorporation of biosensors into the hydrogel for real-time monitoring of wound conditions, such as temperature and pH. Future prospects are then ultimately addressed. As far as we are aware, this manuscript represents the first comprehensive approach that brings together and critically analyzes fundamental aspects of both natural and synthetic polymers constituting hydrogels in the context of cutaneous wound healing. It will serve as a foundational point for future studies, aiming to contribute to the development of an effective and environmentally friendly dressing for wounds.
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Affiliation(s)
- Mariana Ribeiro
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- CISUC-Center for Informatics and Systems, University of Coimbra, Pinhal de Marrocos, 3030-290 Coimbra, Portugal
- Coimbra Chemistry Centre, Institute of Molecular Sciences-IMS, Department of Chemistry, University of Coimbra, 3000-535 Coimbra, Portugal
| | - Marco Simões
- CISUC-Center for Informatics and Systems, University of Coimbra, Pinhal de Marrocos, 3030-290 Coimbra, Portugal
- CIBIT-Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Carla Vitorino
- Faculty of Pharmacy, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
- Coimbra Chemistry Centre, Institute of Molecular Sciences-IMS, Department of Chemistry, University of Coimbra, 3000-535 Coimbra, Portugal
- CIBIT-Coimbra Institute for Biomedical Imaging and Translational Research, University of Coimbra, Pólo das Ciências da Saúde, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
| | - Filipa Mascarenhas-Melo
- Higher School of Health, Polytechnic Institute of Guarda, Rua da Cadeia, 6300-307 Guarda, Portugal
- REQUIMTE/LAQV, Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Azinhaga de Santa Comba, 3000-548 Coimbra, Portugal
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Xu X, Xiao S, Wang L, Niu D, Gao W, Zeng XA, Woo M, Han Z, Wang R. Pulsed electric field enhances glucose glycation and emulsifying properties of bovine serum albumin: Focus on polarization and ionization effects at a high reaction temperature. Int J Biol Macromol 2024; 257:128509. [PMID: 38052285 DOI: 10.1016/j.ijbiomac.2023.128509] [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: 10/15/2023] [Revised: 11/26/2023] [Accepted: 11/28/2023] [Indexed: 12/07/2023]
Abstract
Previous studies demonstrated that the non-thermal effects of pulsed electric fields can promote protein glycation below 40 °C, but it does not always enhance the emulsifying properties of proteins, such as in the bovine serum albumin/glucose model. Therefore, the aim of this study was to investigate the impact of non-thermal effects on the glucose glycation and emulsification properties of bovine serum albumin at 90 °C. The results of circular dichroism, surface hydrophobicity, and molecular dynamics simulations showed that the polarization effect increased the degree of glycation of bovine serum albumin-glucose conjugates from 12.82 % to 21.10 % by unfolding protein molecule, while the emulsifying stability index was increased from 79.17 to 100.73 compared with the control. Furthermore, the results of principal component analysis and Pearson correlation analysis indicated that the ionization effect and the free radicals generated by pulsed electric fields significantly (p < 0.05) inhibited browning and reduced free sulfhydryl content. This study demonstrated that pulsed electric fields combined with heating can prepare glycated proteins with good emulsifying properties in a short period of time and at temperatures lower than conventional heating while reducing energy consumption. This processing strategy has potential applications in improving the emulsifying performance of highly stable proteins.
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Affiliation(s)
- Xindong Xu
- College of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China
| | - Siyao Xiao
- College of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Langhong Wang
- Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China
| | - Debao Niu
- College of Light Industry and Food Engineering, Guangxi University, Nanning 530004, China
| | - Wenhong Gao
- College of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Xin-An Zeng
- College of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; China-Singapore International Joint Research Institute, Guangzhou 510700, China; Research Institute of Yangjiang, South China University of Technology, Yangjiang 529500, China
| | - Mengwai Woo
- Department of Chemical and Materials Engineering, University of Auckland, Auckland, New Zealand
| | - Zhong Han
- College of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Guangdong Provincial Key Laboratory of Intelligent Food Manufacturing, Foshan University, Foshan 528225, China; China-Singapore International Joint Research Institute, Guangzhou 510700, China.
| | - Ruoyong Wang
- Air Force Medical Center of People's Liberation Army, Beijing 100142, China.
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Zhang Y, Jiang Y, Jia Y, Pan X, Zhao T, Wang K, Yan H, Ma Z. Separation of anti-TMV active components and modes of action of Omphalia lapidescens. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 198:105728. [PMID: 38225082 DOI: 10.1016/j.pestbp.2023.105728] [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: 10/16/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND Omphalia lapidescens is a saprophytic and parasitic fungus belonging to the Polypora genus of Tricholomataceae. It has repellent, insecticidal, anti-inflammatory and immunomodulatory effects. RESULT This study found that the extract of O. lapidescens had significant anti-TMV activity, and the main active component was homopolysaccharide LW-1 by Bioassay-guided fractionation. LW-1 is a glucan with β-(1,3) glucoside bond as the main chain and β-(1,6) glucoside bond as the branch chain, with molecular weight in the range of 172,916-338,827 Da. The protective and inactive efficacies of LW-1(100 mg/L) against TMV were 78.10% and 48.20%, but had no direct effect on the morphology of TMV particles. The results of mechanism of action showed that LW-1 induced the increase of the activity of defense enzymes such as POD, SOD and PAL in Nicotiana glutinosa. The overexpression of resistance genes such as NPR1, PR1 and PR5, and the increase of SA content. Further transcriptome sequencing showed that LW-1 activated MAPK signaling pathway, plant-pathogen interaction pathway and glucosinolide metabolic pathway in Arabidopsis thaliana. Besides, LW-1 induced crops resistance against plant pathogenic fungi. CONCLUSION Taken together, the anti-TMV mechanism of LW-1 was to activate MAPK signaling pathway, inducing overexpression of resistance genes, activating plant immune system, and improving the synthesis and accumulation of plant defencins such as glucosinolide. LW-1-induced plant disease resistance has the advantages of broad spectrum and long duration, which has the potential to be developed as a new antiviral agent or plant immune resistance inducer.
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Affiliation(s)
- Yueyang Zhang
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - Yue Jiang
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - Yina Jia
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - Xiaoyu Pan
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - Tianrun Zhao
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - Kaiyue Wang
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China
| | - He Yan
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China.
| | - Zhiqing Ma
- College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; Engineering and Technology Centers of Biopesticide in Shaanxi, Yangling, Shaanxi 712100, China.
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Lucena MDA, Ramos IFDS, Geronço MS, de Araújo R, da Silva Filho FL, da Silva LMLR, de Sousa RWR, Ferreira PMP, Osajima JA, Silva-Filho EC, Rizzo MDS, Ribeiro AB, da Costa MP. Biopolymer from Water Kefir as a Potential Clean-Label Ingredient for Health Applications: Evaluation of New Properties. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123895. [PMID: 35745016 PMCID: PMC9231297 DOI: 10.3390/molecules27123895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 11/23/2022]
Abstract
The present work aimed to characterize the exopolysaccharide obtained from water kefir grains (EPSwk), a symbiotic association of probiotic microorganisms. New findings of the technological, mechanical, and biological properties of the sample were studied. The EPSwk polymer presented an Mw of 6.35 × 105 Da. The biopolymer also showed microcrystalline structure and characteristic thermal stability with maximum thermal degradation at 250 °C. The analysis of the monosaccharides of the EPSwk by gas chromatography demonstrated that the material is composed of glucose units (98 mol%). Additionally, EPSwk exhibited excellent emulsifying properties, film-forming ability, a low photodegradation rate (3.8%), and good mucoadhesive properties (adhesion Fmax of 1.065 N). EPSwk presented cytocompatibility and antibacterial activity against Escherichia coli and Staphylococcus aureus. The results of this study expand the potential application of the exopolysaccharide from water kefir as a potential clean-label raw material for pharmaceutical, biomedical, and cosmetic applications.
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Affiliation(s)
- Monalisa de Alencar Lucena
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | - Igor Frederico da Silveira Ramos
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | - Maurycyo Silva Geronço
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | - Ricardo de Araújo
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | | | - Luís Manuel Lopes Rodrigues da Silva
- CPIRN-UDI/IPG—Centro de Potencial e Inovação em Recursos Naturais, Unidade de Investigação para o Desenvolvimento do Interior do Instituto Politécnico da Guarda, 6300-559 Guarda, Portugal;
| | - Rayran Walter Ramos de Sousa
- Laboratory of Experimental Cancerology (LabCancer), Department of Biophysics and Physiology, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (R.W.R.d.S.); (P.M.P.F.)
- Pharmaceutical Sciences Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil;
| | - Paulo Michel Pinheiro Ferreira
- Laboratory of Experimental Cancerology (LabCancer), Department of Biophysics and Physiology, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (R.W.R.d.S.); (P.M.P.F.)
- Pharmaceutical Sciences Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil;
| | - Josy Anteveli Osajima
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | - Edson Cavalcanti Silva-Filho
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
| | - Márcia dos Santos Rizzo
- Pharmaceutical Sciences Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil;
| | - Alessandra Braga Ribeiro
- CBQF—Centro de Biotecnologia e Química Fina—Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
- Correspondence:
| | - Marcilia Pinheiro da Costa
- Materials Science and Engineering Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil; (M.d.A.L.); (I.F.d.S.R.); (M.S.G.); (R.d.A.); (J.A.O.); (E.C.S.-F.); (M.P.d.C.)
- College of Pharmacy, Federal University of Piauí, Teresina 64049-550, PI, Brazil;
- Pharmaceutical Sciences Graduate Program, Federal University of Piauí, Teresina 64049-550, PI, Brazil;
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El-Sayed NS, Sajid MI, Parang K, Tiwari RK. Synthesis, characterization, and cytotoxicity evaluation of dextran-myristoyl-ECGKRK peptide conjugate. Int J Biol Macromol 2021; 191:1204-1211. [PMID: 34597704 DOI: 10.1016/j.ijbiomac.2021.09.160] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 11/17/2022]
Abstract
CGKRK is a well-known tumor homing peptide with significant specificity for many types of cancer tissues. Herein, we describe the synthesis of a novel drug delivery system based on dextran decorated with myristoyl-ECGKRK peptide. The myristoylated peptide was synthesized and conjugated to dextran via an ester bond followed by purification. FT-IR and NMR confirmed the success of the conjugation reaction, while the surface morphology examination revealed that the conjugate has a characteristic porous network-like structure. Dynamic-light scattering measurements indicated the ability of the conjugate to self-assemble into nanoparticles with an average size of 248 ± 6.33 nm, and zeta potential of 10.7 mV. The cytotoxicity profiles for the peptide, dextran (Dex0), and dextran-peptide conjugate (Dex1) were evaluated against triple-negative breast cancer cells (MDA-MB-231), breast cancer cells (MCF-7), and human embryonic normal kidney cells (HEK-293). The results revealed that myristoyl-ECGKRK was noncytotoxic on the two different breast cancer cell lines up to 50 μM, but the cell viability was minimally reduced to 85% at 50 μm in HEK-293 cells. Similarly, Dex0 showed a neglected cytotoxicity profile at all tested concentrations. The Dex1 was not toxic to the cells up to a concentration of 8.3 mg/mL.
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Affiliation(s)
- Naglaa Salem El-Sayed
- Cellulose and Paper Department, National Research Center, Dokki 12622, Cairo, Egypt; Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus, Irvine, CA 92618, United States
| | - Muhammad Imran Sajid
- Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus, Irvine, CA 92618, United States; Faculty of Pharmacy, University of Central Punjab, Lahore 54000, Pakistan
| | - Keykavous Parang
- Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus, Irvine, CA 92618, United States
| | - Rakesh Kumar Tiwari
- Center for Targeted Drug Delivery, Department of Biomedical and Pharmaceutical Sciences, Chapman University School of Pharmacy, Harry and Diane Rinker Health Science Campus, Irvine, CA 92618, United States.
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Dextran degradation by sonoenzymolysis: Degradation rate, molecular weight, mass fraction, and degradation kinetics. Int J Biol Macromol 2020; 169:60-66. [PMID: 33338523 DOI: 10.1016/j.ijbiomac.2020.12.091] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 12/03/2020] [Accepted: 12/11/2020] [Indexed: 11/21/2022]
Abstract
To study dextran degradation by sonoenzymolysis, the degradation rate, the change of molecular weight, the mass fractions of fragments of certain molecular weight, and the degradation kinetics were analyzed and compared with the corresponding parameters under ultrasonic and enzymolysis treatments. The degradation rate improved greatly and the time required to stabilize the rate was shortened compared with ultrasonic treatment, for example, more than 120 min was needed at 4 W/mL for ultrasonic treatment before stabilization with the degradation rate of 77.41%, whereas 80 min was needed for sonoenzymolysis treatment with the degradation rate of 91.44%. A lower molecular weight limit was established (7.15 × 104 Da at 4 W/mL for sonoenzymolysis treatment compared with 19.61 × 104 Da at 4 W/mL for ultrasonic treatment), with decreased time to approach the new limiting molecular weight (80 min compared with more than 120 min). The mass fraction of 104-105 Da fragment increased (61.02% at 4 W/mL for sonoenzymolysis treatment compared with 42.98% at 4 W/mL for ultrasonic treatment) and the dextran degradation kinetics for sonoenzymolysis under lower ultrasonic intensity fitted the Malhotra model well. Sonoenzymolysis treatment at the ultrasonic intensity of 4 W/mL for 80 min resulted in more 104-105 Da fragments in a shorter time. The results indicated that sonoenzymolysis can be applied as an efficient method to obtain clinical dextran.
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da Silva LM, Araújo LFS, Alvez RC, Ono L, Sá DAT, da Cunha PLR, Monteiro de Paula RC, Maciel JS. Promising alternative gum: Extraction, characterization, and oxidation of the galactomannan of Cassia fistula. Int J Biol Macromol 2020; 165:436-444. [PMID: 32980410 DOI: 10.1016/j.ijbiomac.2020.09.164] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/12/2020] [Accepted: 09/20/2020] [Indexed: 11/18/2022]
Abstract
Galactomannan extracted from Cassia fistula seed endosperm present little data related to the its structural characterization. This study reports the chemical characterization of the galactomannan from Cassia fistula (CF) and their oxidized derivatives. The extracted CF presented a yield of 26.5% (w/w) and the intrinsic viscosity [η] was 9.73 dL/g. 1D and 2D nuclear magnetic resonance spectroscopy (NMR) confirmed that the polysaccharide has a backbone of 4-linked β-D-mannose units, and contains galactose units as pending groups. These galactose units are linked to the central core through a (1→6) linkage and the galactomannan presented Man/Gal ratio of 3.1/1. The galactomannan from Cassia fistula presents low cytotoxicity in Vero cells with a CC50 > 1000 μg/ml. The properties of CF resemble other commercially important galactomannans such as Locust bean gum. Three oxidized derivatives of CF were produced by periodate oxidation, which were carefully characterized by different structural techniques. It was observed that as the degree of oxidation increased, there was an increase in the Man/Gal ratio and a reduction in molar mass and viscosity. The polialdehyde produced may be explored as a versality material to react with amine group of the protein and amined polysaccharide to produce biomaterials.
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Affiliation(s)
- Leonira M da Silva
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, CP 12200, 60455-760 Fortaleza, CE, Brazil
| | - Luis Felipe Santos Araújo
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, CP 12200, 60455-760 Fortaleza, CE, Brazil
| | - Rômulo Couto Alvez
- Federal Institute Catarinense, IFC, Campus Luzerna, Santa Catarina, Brazil
| | - Lucy Ono
- Yasuyoshi Hayashi Microbiology Laboratory, Department of Basic Pathology, UFPR, Curitiba, PR, Brazil
| | | | - Pablyana L R da Cunha
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, CP 12200, 60455-760 Fortaleza, CE, Brazil
| | - Regina C Monteiro de Paula
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, CP 12200, 60455-760 Fortaleza, CE, Brazil
| | - Jeanny S Maciel
- Department of Organic and Inorganic Chemistry, Federal University of Ceará, CP 12200, 60455-760 Fortaleza, CE, Brazil.
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