KR102403707B1 - 다기능 중기공 생활성 유리 나노입자 및 이의 제조방법 - Google Patents
다기능 중기공 생활성 유리 나노입자 및 이의 제조방법 Download PDFInfo
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- KR102403707B1 KR102403707B1 KR1020200118888A KR20200118888A KR102403707B1 KR 102403707 B1 KR102403707 B1 KR 102403707B1 KR 1020200118888 A KR1020200118888 A KR 1020200118888A KR 20200118888 A KR20200118888 A KR 20200118888A KR 102403707 B1 KR102403707 B1 KR 102403707B1
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Abstract
Description
도 2는 (a) 본 발명 나노입자(fBGn)의 제조과정, 및 (b) BGn(열처리전의 나노입자) 및 fBGn 샘플의 저- 및 고-배율 TEM 이미지를 나타낸 것이다.
도 3은 본 발명 나노입자(fBGn)의 특성을 나타낸 것이다. (a) UV-vis 스펙트라, (b) 라만 스펙트라, (c) FT-IR 스펙트라, (d) 와이드-스캔 XPS 스펙트라, (e) 내로우(C 1s) 스캔, 및 (f) 내로우(N 1s) 스캔.
도 4는 (a) 플루오린화수소산(HF) 용액으로 처리한 본 발명 나노입자(fBGn) 시료 및 TEM 이미지, (b) 고-해상도 TEM 이미지, (c) PL 방출 스펙트라, (d) EPR 스펙트라, (e) 형광 매커니즘을 나타낸 것이다.
도 5는 본 발명 나노입자(fBGn)의 라벨-프리 형광 특성을 나타낸 것이다. (a) BGn의 열처리로 본 발명 나노입자(fBGn)가 생성되는 것을 나타내는 개략도, (b) 360㎚의 여기 파장에서 서로 다른 온도로 처리하여 제조된 fBGn의 방출 스펙트라, (c) 서로 다른 온도에서 측정한 3가지 피크(P1, P2, 및 P3)의 방출 파장, (d) 서로 다른 온도에서 측정한 3가지 피크(P1, P2, 및 P3)의 방출 강도, (e) 서로 다른 여기 파장에서의 fBGn의 2-D 여기-방출 컨투어 맵, (f) 500㎚에서 방출을 모니터링하여 측정한 수명 감쇠 프로파일, (g) 명시야 하에서 살아있는 HeLa 세포 내 두 가지의 다른 농도의 fBGn의 공초점 형광 이미지.
도 6은 800㎚ 레이저광으로 여기한 본 발명 나노입자(fBGn)의 TP 스펙트라를 나타낸 것이다. (a) 800㎚ 여기 파장에서 서로 다른 온도에 따른 방출 스펙트라, (b) 서로 다른 여기 파장에 따른 방출 스펙트라, (c) 800㎚ 파장의 레이저광 여기 하의 fBGn의 이미지.
도 7은 514㎚ 파장의 레이저광 하에서 실리카 웨이퍼 상 HeLa 세포와 본 발명 나노입자(fBGn)의 라만 이미지(RI)를 나타낸 것이다. (a) 레이저 스팟, (b) 배경이 있는 PL 이미지, (c) 배경이 없는 PL 이미지, (d) 광학 이미지, (e) 낮은 강도를 갖는 G의 상대적 강도의 라만 이미지, (f) 높은 강도를 갖는 G의 상대적 강도의 라만 이미지.
도 8은 본 발명 나노입자(fBGn)의 PDT/PTT 효과를 나타낸 것이다. (a) ~ (d) 다양한 농도의 fBGn에 PTT광(808㎚)을 처리한 결과, (a) PTT 열 곡선, (b) 온도 변화, (c) 온도 NIR 이미지, 및 (d) HeLa 세포에 대한 상대적 세포독성, (e) ~ (h) fBGn에 PDT광(80mW, 660㎚)을 처리한 결과, (e) 암조건 및 LED광 조건에서 ESR 스펙트라로 조사한 fBGn의 1O2-유도 신호, (f) DPBF의 광분해, (g) PBS, fBGn, fBGn+광조사로 처리한 HeLa 세포에서 측정한 ROS 수준, (h) HeLa 세포에 대한 세포독성, (i) 및 (j) PDT/PTT 결합 효과, (i) 다양한 조건으로 fBGn을 처리하여 배양한 HeLa 세포의 공초점 이미지 및 칼세인 AM/PI-염색 형광 이미지, (j) 다양한 농도에서 HeLa 세포에 대한 세포독성.
도 9는 본 발명 나노입자(fBGn)와 MSN(대조군)을 사용한 항암제인 독소루비신(DOX) 적재 및 방출을 실험한 결과를 나타낸 것이다. (a) 항암제 적재, (b) 적재 및 방출 매커니즘, (c) 37℃에서 pH(5.0 및 7.4)에 따른 DOX 방출, (d) HeLa 세포의 세포 생존력.
Claims (10)
- a) 브롬화 세틸트리메틸암모늄, 2-메톡시에탄올, 에탄올 및 암모니아수를 물에 용해시켜 혼합물을 준비하는 단계;
b) 상기 혼합물에 질산칼슘, 테트라에틸 오르소실리케이트 및 3-아미노프로필 트리에톡시실란을 첨가하고 교반하는 단계;
c) 상기 첨가 및 교반으로 생성되는 입자를 수득하는 단계; 및
d) 상기 입자를 350 내지 450℃로 열처리하는 단계;를 포함하고,
상기 a)단계에서, 상기 물 150㎖을 기준으로 상기 브롬화 세틸트리메틸암모늄 0.5 내지 2g, 상기 2-메톡시에탄올 10 내지 30㎖, 상기 에탄올 5 내지 15㎖, 상기 암모니아수 1 내지 3㎖을 용해시키는 것을 특징으로 하는 메조포러스 바이오글라스 나노입자 제조방법.
- 제1항에 있어서,
상기 2-메톡시에탄올은 20㎖, 상기 에탄올은 10㎖을 용해시키는 것을 특징으로 하는, 제조방법.
- 삭제
- 삭제
- 제1항 또는 제2항의 제조방법으로 제조된 메조포러스 바이오글라스 나노입자.
- 제5항의 나노입자를 포함하는 약물 또는 생체분자 전달용 조성물.
- 제5항의 나노입자를 포함하는 생체 이미징용 조성물.
- 제5항의 나노입자를 유효성분으로 포함하는 광역학 치료용 광감작제 조성물.
- 제5항의 나노입자를 유효성분으로 포함하는 광열 치료용 광열제 조성물.
- 제5항의 나노입자를 유효성분으로 포함하는 테라노스틱스용 조성물.
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| CN117089341B (zh) * | 2023-08-24 | 2024-07-23 | 齐鲁工业大学(山东省科学院) | 一种荧光传感器的制备方法及其应用 |
| CN118479463B (zh) * | 2024-05-07 | 2024-11-19 | 武汉轻工大学 | 一种HeLa细胞成像剂 |
| CN118703206B (zh) * | 2024-06-12 | 2025-04-04 | 云浮市人民医院 | 一种生物玻璃-聚柠檬酸来源发光碳点及其制备方法和应用 |
| CN120000862A (zh) * | 2025-02-14 | 2025-05-16 | 中山大学附属口腔医院 | 一种纳米针状羟基磷灰石及其制备方法与应用 |
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