Banca de DEFESA: ALINE MEIRYELLE QUEIROZ DE BRITO

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : ALINE MEIRYELLE QUEIROZ DE BRITO
DATE: 01/06/2020
TIME: 14:00
LOCAL: BANCA ON-LINE POR VIDEOCONFERÊNCIA
TITLE:

ACTIVITY AGAINST STAPHYLOCOCCUS AUREUS BY MICROEMULSIONED SYSTEM WITH SOLUBILIZED MOMORDICA CHARANTIA  EXTRACT FOR POTENTIAL APPLICATION IN SPORT TEXTILES

KEY WORDS:

plant extract, Momordica charantia, microemulsion, functionalization, antibacterial, sports textile.

PAGES: 79
BIG AREA: Engenharias
AREA: Engenharia Química
SUBÁREA: Tecnologia Química
SPECIALTY: Têxteis
SUMMARY:

The scientific and technological evolution of functional textiles has brought a high added value when compared to conventional textiles due to their ability to satisfactorily respond to different needs of their users in different areas such as health, protection and in the sports segment. This research has as objective the production of an antibacterial textile for application in the sports area, from the use of vegetal extracts that are natural and sustainable compounds that have been used in several sectors of the industry, because they have a diversity of properties, mainly, the biological, making them suitable for application in functional finishes in textile materials. The microemulsified system is a method of impregnation and an effective alternative for the solubilization of functional agents, and being thermodynamically stable, it is efficient for long-term use. In this case, for the development of this study it was necessary to obtain the extract of the leaves of Momordica charantia (EMC), as well as the production of the extract mother solution (SME) and its solubilization with different concentrations in a base microemulsion (M) that resulted in samples P1, P2 and P3. The SME sample was characterized by spectroscopy analysis in the infrared region by Fourier transform (FTIR) and critical micellar concentration (CMC). For microemulsions, the characterization techniques performed were: particle size, zeta potential, thermal stress, pH, electrical conductivity, FTIR, transmission electron microscopy (MET) and antibacterial analyzes (Staphylococcus aureus, gram-positive), the latter was performed both at the EMC, and at the SME, and at the four microemulsion points. In summary to the proposed objective, EMC, SME and microemulsions P2 and P3 showed positive results against S. aureus, with the P3 microemulsified system being the most effective, with an inhibition halo of 12.5 mm. Therefore, the product developed in this research has potential for application in cationic fibers, promoting the development of functional textiles for the sports area.

BANKING MEMBERS:
Presidente - 2614285 - KESIA KARINA DE OLIVEIRA SOUTO SILVA
Interno - 2052404 - FERNANDO RIBEIRO OLIVEIRA
Interno - 2941160 - JOSE HERIBERTO OLIVEIRA DO NASCIMENTO
Externa à Instituição - CÁTIA GUARACIARA FERNANDES TEIXEIRA ROSSI - FANEC