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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com rosangela.lacerda@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite; Embrapa Instrumentação. |
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Data corrente: |
20/04/2023 |
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Data da última atualização: |
22/08/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PEREA, G. N. R.; PAVINATTO, A.; SCHNEIDER, R.; MUNK, M.; BRANDAO, H. de M.; CORREA, D. S. |
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Afiliação: |
GERALDINE N. R. PEREA; ADRIANA PAVINATTO, Universidade de São Paulo; RODRIGO SCHNEIDER, Universidade Federal de São Carlos; MICHELE MUNK, Universidade Federal de Juiz de Fora; HUMBERTO DE MELLO BRANDAO, CNPGL; DANIEL SOUZA CORREA, CNPDIA. |
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Título: |
Electrospun nanofibers based on polyvinylpyrrolidone/chitosan and cloxacillin: investigation of morphological features, antibiotic release and antimicrobial properties. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Journal of Polymer Research, v. 30, 166, 2023. |
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DOI: |
https://doi.org/10.1007/s10965-023-03535-7 |
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Idioma: |
Inglês |
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Conteúdo: |
Polymer nanofbers possess a range of attractive features that make them highly suitable for various biomedical application, including their high surface area/volume ratio, mechanical fexibility, porosity and potential for surface or bulk functionalization. Besides, such nanofbers can be used to encapsulate antibiotics to fabricate slow-release systems, but in this case the nanofbers should be fabricated with biocompatible and biodegradable polymers. Here we developed a novel nanocarrier system based on polyvinylpyrrolidone (PVP)/chitosan (CHI) electrospun nanofbers containing cloxacillin benzathine (CLO). PVP was chosen because of its ability to form nanofbers, while a small amount of chitosan was added to help control the CLO release, which antibiotic is widely employed to treat bacterial infections. The as-produced CLO-containing electrospun nanofbers were characterized regarding their morphological features and antibiotic release profle. SEM images revealed homogeneous and defectsfree nanofbers, exhibiting no discernible morphological variations between the CLO-containing and CLO-non-containing nanofbers. FTIR results indicate hydrogen bonds formation between carboxyl and carboxylate groups from CLO and hydroxyl groups from CHI. The antimicrobial properties of antibiotic-loaded nanofbers were investigated against Gram-positive bacteria S. aureus, yielding inhibition zone diameters of 12.5±1.6 mm and 29.8±1.3 mm for PVP/CHI/CLO and PVP/CLO nanofbers, respectively. Besides, the drug release kinetics study indicates that the nanocarrier system formed by PVP/CHI can release the antibiotics more slowly due to the chemical interactions between CHI and CLO compounds. Our results suggest that drug activity was preserved after encapsulation by electrospinning, and the diference in the inhibition zone diameter was corroborated by drug release mechanism experiments, indicating the system as a potential material to treat infections caused by S. aureus MenosPolymer nanofbers possess a range of attractive features that make them highly suitable for various biomedical application, including their high surface area/volume ratio, mechanical fexibility, porosity and potential for surface or bulk functionalization. Besides, such nanofbers can be used to encapsulate antibiotics to fabricate slow-release systems, but in this case the nanofbers should be fabricated with biocompatible and biodegradable polymers. Here we developed a novel nanocarrier system based on polyvinylpyrrolidone (PVP)/chitosan (CHI) electrospun nanofbers containing cloxacillin benzathine (CLO). PVP was chosen because of its ability to form nanofbers, while a small amount of chitosan was added to help control the CLO release, which antibiotic is widely employed to treat bacterial infections. The as-produced CLO-containing electrospun nanofbers were characterized regarding their morphological features and antibiotic release profle. SEM images revealed homogeneous and defectsfree nanofbers, exhibiting no discernible morphological variations between the CLO-containing and CLO-non-containing nanofbers. FTIR results indicate hydrogen bonds formation between carboxyl and carboxylate groups from CLO and hydroxyl groups from CHI. The antimicrobial properties of antibiotic-loaded nanofbers were investigated against Gram-positive bacteria S. aureus, yielding inhibition zone diameters of 12.5±1.6 mm and 29.8±1.3 mm for PVP/CHI/CLO and PVP/CLO nanofbers, respectively. Besides,... Mostrar Tudo |
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Palavras-Chave: |
Antibiotic release; Electrospinning; Eletrofiação; Mastite; Slow-release. |
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Thesagro: |
Antibiótico; Bovino; Doença Animal; Tratamento. |
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Categoria do assunto: |
--
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02915naa a2200301 a 4500
001 2153719
005 2023-08-22
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10965-023-03535-7$2DOI
100 1 $aPEREA, G. N. R.
245 $aElectrospun nanofibers based on polyvinylpyrrolidone/chitosan and cloxacillin$binvestigation of morphological features, antibiotic release and antimicrobial properties.$h[electronic resource]
260 $c2023
520 $aPolymer nanofbers possess a range of attractive features that make them highly suitable for various biomedical application, including their high surface area/volume ratio, mechanical fexibility, porosity and potential for surface or bulk functionalization. Besides, such nanofbers can be used to encapsulate antibiotics to fabricate slow-release systems, but in this case the nanofbers should be fabricated with biocompatible and biodegradable polymers. Here we developed a novel nanocarrier system based on polyvinylpyrrolidone (PVP)/chitosan (CHI) electrospun nanofbers containing cloxacillin benzathine (CLO). PVP was chosen because of its ability to form nanofbers, while a small amount of chitosan was added to help control the CLO release, which antibiotic is widely employed to treat bacterial infections. The as-produced CLO-containing electrospun nanofbers were characterized regarding their morphological features and antibiotic release profle. SEM images revealed homogeneous and defectsfree nanofbers, exhibiting no discernible morphological variations between the CLO-containing and CLO-non-containing nanofbers. FTIR results indicate hydrogen bonds formation between carboxyl and carboxylate groups from CLO and hydroxyl groups from CHI. The antimicrobial properties of antibiotic-loaded nanofbers were investigated against Gram-positive bacteria S. aureus, yielding inhibition zone diameters of 12.5±1.6 mm and 29.8±1.3 mm for PVP/CHI/CLO and PVP/CLO nanofbers, respectively. Besides, the drug release kinetics study indicates that the nanocarrier system formed by PVP/CHI can release the antibiotics more slowly due to the chemical interactions between CHI and CLO compounds. Our results suggest that drug activity was preserved after encapsulation by electrospinning, and the diference in the inhibition zone diameter was corroborated by drug release mechanism experiments, indicating the system as a potential material to treat infections caused by S. aureus
650 $aAntibiótico
650 $aBovino
650 $aDoença Animal
650 $aTratamento
653 $aAntibiotic release
653 $aElectrospinning
653 $aEletrofiação
653 $aMastite
653 $aSlow-release
700 1 $aPAVINATTO, A.
700 1 $aSCHNEIDER, R.
700 1 $aMUNK, M.
700 1 $aBRANDAO, H. de M.
700 1 $aCORREA, D. S.
773 $tJournal of Polymer Research$gv. 30, 166, 2023.
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Embrapa Gado de Leite (CNPGL) |
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| 1. |  | DUARTE, M. R.; MENEZES, G. R. de O.; CARVALHO FILHO, I.; TORAL, F. L B.; MAGALHÃES, A. F. B.; VERARDO, L. L. Análise de corridas de homozigose revela genes candidatos para precocidade sexual em touros Nelore. In: SIMPÓSIO DE PRODUÇÃO ANIMAL, 8.; SIMPÓSIO DO PROGRAMA DE PÓS-GRADUAÇÃO, 3.; SEMANA DA ZOOTECNIA, 16., 2025, Diamantina. Anais [...]. Diamantina: Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2025.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 2. | | SOUZA, K. G. L.; DUARTE, M. R.; PANETTO, J. C. do C.; SILVA, M. V. G. B.; MAGALHAES, A. F. B.; VERARDO, L. L. Ilhas de corridas de homozigose em touros da raça Girolando revelam genes associados a rusticidade. In: SIMPÓSIO DE GENÉTICA E MELHORAMENTO ANIMAL, 3.; WORKSHOP DE INTELIGÊNCIA ARTIFICIAL APLICADA À PECUÁRIA DIGITAL, 1, 2024, Viçosa, MG. Resumos [...]. Viçosa, MG: Universidade Federal de Viçosa, 2024. p. 104-105.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Leite. |
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| 3. | | CARVALHO, L. S.; ALMEIDA, E. A. R.; SILVA, K. S. O.; SANTOS, G. C. dos; CARVALHO, L. M. P. de; MOREIRA, D. G.; LOURENÇO, K. T. M.; PEREIRA, A. S.; DUARTE, M. R.; MAGALHÃES, A. F. B.; MACHADO, M. A.; PANETTO, J. C. do C.; SILVA, M. V. G. B.; VERARDO, L. S. PUM1: gene candidato a resistência do carrapato em bovinos da raça Gir leiteiro. In: SEMANA DA INTEGRAÇÃO, ENSINO, PESQUISA E EXTENSÃO, 10., 2024, Diamantina. Diversidade, equidade, inclusão: [resumos]. Diamantina: Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2024.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Leite. |
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| 4. | | ALMEIDA, E. A. R.; SILVA, K. S. O.; CARVALHO, L. S.; CARVALHO, L. M. P. de; SANTOS, G. C. dos; PEREIRA, A. S.; DUARTE, M. R.; LOURENÇO, K. T. M.; MOREIRA, D. G.; SILVA, M. V. G. B.; PANETTO, J. C. do C.; MACHADO, M. A.; MAGALHÃES, A. F. B.; VERARDO, L. L. Gene PRLR: candidato para perfil de ácidos graxos no leite. In: SEMANA DA INTEGRAÇÃO, ENSINO, PESQUISA E EXTENSÃO, 10., 2024, Diamantina. Diversidade, equidade, inclusão: [resumos]. Diamantina: Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2024.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 4 | |
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