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Applied Chemistry for Engineering, Vol.30, No.2, 254-259, April, 2019
솔잎 추출물이 삽입된 마그네슘-층상규산염 샌드위치 나노입자의 합성과 피부 상재균에 대한 항균 특성에 관한 연구
Study on Synthesis of Pine Leaf Extract Intercalated Mg-Phyllosilicate Sandwich Nanoparticles and Antimicrobial Activity against Cutaneous Microorganisms
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초록
본 연구에서는 마그네슘-층상규산염(MgP) 층간에 솔잎 추출물(PLE)이 삽입되어 겹겹이 쌓여있는 샌드위치 구조의 나노입자(PLE/MgP)를 one-pot으로 합성하였다. XRD 분석을 통해 팔면체와 사면체 구조로 MgP가 성공적으로 합성되었으며, PLE가 층간에 삽입되어 MgP 간의 층간거리(d-spacing)가 벌어진 것을 확인하였다. HR-TEM을 통해 모폴로지 변화를 관찰하였으며, 열중량분석법을 통해 PLE가 MgP 대비 10%까지 함유된 것을 확인하였다. 최소저해농도(MIC) 및 최소 사멸농도(MBC) 분석을 통해 피부 상재균에 대한 항균 활성을 검토한 결과 MgP 또는 PLE보다 PLE/MgP의 항균 활성이 더욱 향상된 것을 확인하였다. 이러한 결과는 본 연구에서 개발한 PLE/MgP 유/무기 복합 소재가 화장품 소재, 의료용 소재 등의 다양한 분야에 적용 가능함을 확인하였다.
In this study, we synthesized the pine leaf extract intercalated layered Mg-phyllosilicate nanoparticles (PLE/MgP) via one-pot synthesis. MgP was successfully synthesized with the octahedral and tetrahedral structure by XRD analysis and a gap of interlayer distance (d-spacing) between MgP sheets by the intercalation of PLE was confirmed. As a result of the investigation of antimicrobial activity against cutaneous microorganisms by the minimum inhibitory concentration (MIC) and bactericidal concentration (MBC) analyses, the antimicrobial activity of PLE/MgP was more improved than that of MgP or PLE. The prepared sandwich-structured PLE/MgP organic/inorganic hybrid materials will be useful in the field of numerous applications containing cosmetic and biomedical materials.
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