KR102413670B1 - 경피 전달용 진단 동시 치료제 조성물 - Google Patents
경피 전달용 진단 동시 치료제 조성물 Download PDFInfo
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Abstract
Description
도 2는 본 발명의 일실시예에 따른 탄성몰드의 제조 및 마이크로 니들의 제조 공정 모식도를 나타낸 도이다.
도 3은 본 발명의 일실시예에 따른 항체-산화철의 초상자성 측정 분석 결과를 나타낸 도이다.
도 4는 본 발명의 일실시예에 따른 초상자성 마이크로 니들 어레이 및 마이크로 니들의 표면의 SEM 사진이다.
도 5는 본 발명의 일실시예에 따른 초상자성 마이크로 니들 패치를 마우스에 부착한 것을 나타낸 사진이다.
도 6은 본 발명의 일실시예에 따른 MRI 측정 시간에 대한 T2 이완시간을 나타낸 도이다.
도 7은 본 발명의 일실시예에 따른 초상자성 마이크로 니들 패치를 마우스에 적용 후, 시간에 대한 T2-weighted MR 사진을 나타낸 도이다.
Claims (15)
- 표면이 에스터화된 산화철이 항체의 Fc영역 N-말단과 아마이드 결합으로 직접 연결된 구조이고, 평균 입경이 30 nm 이하인 초상자성 항체-산화철 나노입자를 포함하며,
상기 표면이 에스터화된 산화철은 평균 입경이 10 내지 20 nm인 것을 특징으로 하는,
마이크로 니들을 통한 경피 전달용 진단 동시 치료제 조성물.
- 제 1항에 있어서,
상기 표면이 에스터화된 산화철은, 산화철에 NHS(N-Hydroxysuccinimide), DCC(1,3-dicyclohexylcarbodiimide), 또는 이들이 혼합된 개질제 처리에 의해 형성되는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 삭제
- 삭제
- 제1항에 있어서,
상기 경피 전달용 조성물은 추가로 생분해성 고분자를 포함하는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 제5항에 있어서,
상기 생분해성 고분자는 히알루론산, 콜라젠, 키토산, 카르복시메틸 셀룰로오스 (carboxymethyl cellulose, CMC), 폴리락타이드(polylactide, PLA), 폴리글리콜라이드(polyglycolide,PGA) 및 폴리(락타이드-코-글리콜라이드)(poly(D,L lactide-co-glycolide), PLGA)로 이루어진 군으로부터 선택되는 하나 이상인 것을 특징으로 하는, 경피 전달용 진단 동시 치료제 조성물.
- 제5항에 있어서,
상기 경피 전달용 조성물은 상기 생분해성 고분자를 1 내지 10 wt% 포함하는 것을 특징으로 하는, 경피 전달용 진단 동시 치료제 조성물. - 제1항에 있어서,
상기 나노입자는 상기 항체와 상기 표면이 에스터화된 산화철의 혼합에 의해 형성되는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 제8항에 있어서,
상기 항체는 상기 표면이 에스터화된 산화철이 초음파 처리로 용매에 분산된 상태에서 첨가되어 혼합되는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 제9항에 있어서,
상기 표면이 에스터화된 산화철은 0.5 내지 1.5 wt%의 농도로 용매에 분산되는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 제8항에 있어서,
상기 혼합은 상기 항체를 상기 표면이 에스터화된 산화철 대비 10 내지 20 wt%로 첨가하여 혼합되는 것인, 경피 전달용 진단 동시 치료제 조성물.
- 제1항의 조성물이 마이크로 니들의 형태로 적용되는, 진단 동시 치료제의 경피 전달 시스템.
- 제12항에 있어서,
상기 마이크로 니들은 높이가 700 내지 1,000um, 폭이 250 내지 350um, 및 종횡비율이 2 내지 4로 이루어진 군으로부터 선택된 어느 하나 이상의 특징을 갖는, 진단 동시 치료제의 경피 전달 시스템.
- 제12항에 있어서,
상기 마이크로 니들은 마이크로 니들 어레이 형태로 제제화된 것을 특징으로 하는, 진단 동시 치료제의 경피 전달 시스템.
- 제14항에 있어서,
상기 마이크로 니들 어레이는 일면이 마이크로 니들 어레이가 부착된 패치 형태로 경피 전달되는 것을 특징으로 하는, 진단 동시 치료제의 경피 전달 시스템.
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Journal of Advanced Engineering and Technology, 12(3), 2019, pp.103-108* |
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