KR20130094875A - 산화디스프로슘 나노입자에 생체적합성 리간드가 결합된 나노입자체를 포함하는 조영제, 및 이의 제조방법 - Google Patents
산화디스프로슘 나노입자에 생체적합성 리간드가 결합된 나노입자체를 포함하는 조영제, 및 이의 제조방법 Download PDFInfo
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Abstract
본 발명에 따른 산화디스프로슘 나노입자에 생체적합성 리간드가 결합된 나노입자체는 사이즈가 매우 작아서, 신장을 통해 소변으로 배출되기 용이하다. 따라서, 모든 기관에서 발생되는 질병의 진단을 위한 조영제로 사용될 수 있으며, 특히, 간과 신장에서 보다 효율적인 질병진단용 조영제로 사용될 수 있다.
또한 본 발명의 나노입자체를 제조하기 위한 조건이 고온 또는 고압을 사용하지 않는 간단한 제조방법으로서, 제조 비용이 낮다는 장점이 있어서, 의학 진단 분야에 사용할 수 있는 조영제를 효과적으로 제조 및 사용할 수 있는 장점이 있다.
Description
도 2는 희토류 원소가 포함된 나노입자체의 X-선 회절분석 실험 결과이다((a)는 비교예 1, (b)는 비교예 2, (c)는 실시예 1, (d)는 비교예 3, (e)는 비교예 4).
도 3은 희토류 원소가 포함된 나노입자체의 FT-IR 측정 결과이다((a)는 비교예 1, (b)는 비교예 2, (c)는 실시예 1, (d)는 비교예 3, (e)는 비교예 4).
도 4는 희토류 원소가 포함된 나노입자체의 TGA 측정 결과이다((a)는 비교예 1, (b)는 비교예 2, (c)는 실시예 1, (d)는 비교예 3, (e)는 비교예 4).
도 5는 희토류 원소가 포함된 나노입자체의 이완성을 측정한 결과이다((a)는 비교예 1, (b)는 비교예 2, (c)는 실시예 1, (d)는 비교예 3, (e)는 비교예 4).
도 6은 본 발명의 일실시예에 따른 산화디스프로슘 나노입자체의 농도에 따른 이완성을 측정한 결과이다.
도 7은 본 발명의 일실시예에 따른 산화디스프로슘 나노입자체의 세포독성 실험결과이다.
도 8은 본 발명의 일실시예에 따른 산화디스프로슘 나노입자체의 in vivo 실험 결과이다.
도 9는 본 발명의 일실시예에 따른 산화디스프로슘 나노입자체를 생체내 주입 90분 후, 나노입자체의 조직분포를 나타낸 것이다.
| 샘플 |
나노입자 |
나노입자체 크기(㎚) |
| 실시예 1 |
Dy2O3 |
2.9 |
| 비교예 1 |
Gd2O3 |
2.4 |
| 비교예 2 |
Eu2O3 |
2.0 |
| 비교예 3 |
Ho2O3 |
2.4 |
| 비교예 4 |
Er2O3 |
2.9 |
| 샘플 |
나노입자 |
D-글루쿠로닉산 그라프트 밀도 (㎚-1) |
전체질량 대비 D-글루쿠로닉산 함량(중량%) |
| 실시예 1 |
Dy2O3 |
12.74 |
52.11 |
| 비교예 1 |
Gd2O3 |
11.46 |
56.64 |
| 비교예 2 |
Eu2O3 |
9.43 |
55.21 |
| 비교예 3 |
Ho2O3 |
12.35 |
54.20 |
| 비교예 4 |
Er2O3 |
19.74 |
60.38 |
| 샘플 |
나노입자 |
r1 (s-1 mM-1) |
r2 (s-1 mM-1) |
| 실시예 1 |
Dy2O3 |
0.16 |
40.28 |
| 비교예 1 |
Gd2O3 |
4.25 |
27.11 |
| 비교예 2 |
Eu2O3 |
0.006 |
3.82 |
| 비교예 3 |
Ho2O3 |
0.13 |
31.24 |
| 비교예 4 |
Er2O3 |
0.06 |
14.74 |
|
파라미터 |
값 |
| H = |
3 T |
| the temperature |
37 ℃ |
| NEX |
4 |
| FOV |
6 - 9 cm |
| phase FOV |
0.7 |
| matrix size |
256 X 256 |
| slice thickness |
1 - 2 mm |
| spacing gap |
0.5 ~ 1.0 mm |
| pixel bandwidth |
31.25 |
| TR |
3000 ms |
| TE |
50 ms |
Claims (18)
- 산화디스프로슘 나노입자에 생체적합성 리간드가 결합되어 이루어지는 산화디스프로슘 나노입자체를 포함하는 MRI 조영제.
- 제1항에 있어서, 상기 생체적합성 리간드에 항체 또는 단백질이 결합되어 있는 것을 특징으로 하는 MRI 조영제.
- 제1항에 있어서, 상기 생체적합성 리간드는 폴리에틸렌 글리콜, 락토바이오닉산 및 D-글루쿠로닉산으로 이루어진 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 MRI 조영제.
- 제3항에 있어서, 상기 생체적합성 리간드는 D-글루쿠로닉산인 것을 특징으로 하는 MRI 조영제.
- 제1항에 있어서, 상기 생체적합성 리간드가 결합된 산화디스프로슘 나노입자체의 직경은 1 ~ 5 ㎚인 것을 특징으로 하는 MRI 조영제.
- 제1항에 있어서, 상기 산화디스프로슘 나노입자체는 생체적합성 리간드가 나노입자체 전체중량에 대해서 50~60 중량%로 하여 이루어지는 것을 특징으로 하는 MRI 조영제.
- 제1항에 있어서, 상기 조영제는 간 또는 신장 질병 진단을 특징으로 하는 MRI 조영제.
- 1) 글리콜에 디스프로슘 전구체를 첨가하여 용해시키고, 염기성 용액을 첨가하고 70~90 ℃로 반응시켜 반응물 1을 제조하는 단계;
2) 상기 단계 1)의 반응물 1에 과산화수소를 첨가하고, 반응시켜 반응물 2를 제조하는 단계; 및
3) 상기 반응물 2에 생체적합성 리간드를 첨가하고, 반응시키는 단계;
를 포함하여 이루어지는 산화디스프로슘 나노입자체의 제조방법.
- 제8항에 있어서, 상기 단계 1)의 글리콜은 트리에틸렌 글리콜 및 트리프로필렌 글리콜으로 이루어지는 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항에 있어서, 상기 단계 2)의 반응물 2에는 산화된 디스프로슘을 포함하고 있는 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항에 있어서, 상기 단계 3)의 생체적합성 리간드에 항체 또는 단백질이 결합되어 있는 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항에 있어서, 상기 단계 3)의 생체적합성 리간드는 폴리에틸렌 글리콜, 락토바이오닉산 및 D-글루쿠로닉산으로 이루어진 군으로부터 선택되는 1종 이상인 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항에 있어서, 상기 제조방법으로 생성되는 산화디스프로슘 나노입자체의 직경은 1 ~ 5 ㎚인 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항에 있어서, 상기 산화디스프로슘 나노입자체는 생체적합성 리간드가 나노입자체 전체중량에 대해서 50~60 중량%로 하여 이루어지는 것을 특징으로 하는 나노입자체의 제조방법.
- 제8항의 나노입자체 제조방법으로 통해서 제조된 산화디스프로슘 나노입자체를 포함하는 MRI 조영제.
- 제15항에 있어서, 상기 조영제는 간 또는 신장 질병 진단을 특징으로 하는 MRI 조영제.
- 제1항 또는 제15항의 조영제를 주입하는 단계를 포함하는 질병의 진단방법.
- 제1항 또는 제15항의 조영제를 이용하는 MRI 영상 획득방법.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015088107A1 (ko) * | 2013-12-13 | 2015-06-18 | 경북대학교 산학협력단 | Mri/fi 조영제 및 이의 제조방법 |
| EP3192530A1 (fr) * | 2016-01-15 | 2017-07-19 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Nanoparticules ultrafines comme agent d'imagerie pour el diagnostic d'une dysfonction rénale |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006031190A1 (en) * | 2004-09-14 | 2006-03-23 | Optoqrit Ab | Superparamagnetic gadolinium oxide nanoscale particles and compositions comprising such particles |
| KR20100078475A (ko) * | 2008-12-30 | 2010-07-08 | 경북대학교 산학협력단 | 산화가돌리늄 나노입자에 생체적합성 리간드가 코팅된 나노입자체 및 이의 제조방법 |
| WO2011050359A1 (en) * | 2009-10-23 | 2011-04-28 | Massachusetts Institute Of Technology | Biotemplated inorganic materials |
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- 2012-02-17 KR KR1020120016107A patent/KR101661552B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006031190A1 (en) * | 2004-09-14 | 2006-03-23 | Optoqrit Ab | Superparamagnetic gadolinium oxide nanoscale particles and compositions comprising such particles |
| KR20100078475A (ko) * | 2008-12-30 | 2010-07-08 | 경북대학교 산학협력단 | 산화가돌리늄 나노입자에 생체적합성 리간드가 코팅된 나노입자체 및 이의 제조방법 |
| WO2011050359A1 (en) * | 2009-10-23 | 2011-04-28 | Massachusetts Institute Of Technology | Biotemplated inorganic materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015088107A1 (ko) * | 2013-12-13 | 2015-06-18 | 경북대학교 산학협력단 | Mri/fi 조영제 및 이의 제조방법 |
| EP3192530A1 (fr) * | 2016-01-15 | 2017-07-19 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Nanoparticules ultrafines comme agent d'imagerie pour el diagnostic d'une dysfonction rénale |
| WO2017121858A1 (fr) * | 2016-01-15 | 2017-07-20 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Nanoparticules ultrafines comme agent d'imagerie pour le diagnostic d'une dysfonction renale |
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| KR101661552B1 (ko) | 2016-09-30 |
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