CN1066965C - 超声用气体悬浮体及其贮存方法 - Google Patents
超声用气体悬浮体及其贮存方法 Download PDFInfo
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- CN1066965C CN1066965C CN95191640A CN95191640A CN1066965C CN 1066965 C CN1066965 C CN 1066965C CN 95191640 A CN95191640 A CN 95191640A CN 95191640 A CN95191640 A CN 95191640A CN 1066965 C CN1066965 C CN 1066965C
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K49/00—Preparations for testing in vivo
- A61K49/22—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations
- A61K49/222—Echographic preparations; Ultrasound imaging preparations ; Optoacoustic imaging preparations characterised by a special physical form, e.g. emulsions, liposomes
- A61K49/223—Microbubbles, hollow microspheres, free gas bubbles, gas microspheres
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- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Physics & Mathematics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Medicinal Preparation (AREA)
- Degasification And Air Bubble Elimination (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Freezing, Cooling And Drying Of Foods (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Treating Waste Gases (AREA)
- Sampling And Sample Adjustment (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
Description
气体或气体混合物 | 沸点(℃) | 水溶性* | 吸光度(初始时的%) | 回收的气泡(%) |
空气 | -195 | 0.0167 | 33 | 14 |
SF6 | -63.8 | 0.005 | 57 | 23 |
C3F8 | -36.7 | <<0.005 | 59 | 54 |
C4F8 | -6 | 0.016 | 11 | 8 |
C4F10 | -1.7 | <0.005 | 7 | 4 |
空气(+5%C5F12) | -195 | 0.0167 | 71 | 49 |
空气(+1 0%C5F12) | -195 | 0.0167 | 55 | 34 |
空气(+10%C4F8) | -195 | 0.0167 | 50 | 30 |
空气(+10%C4F10) | -195 | 0.016 | 52 | 32 |
SF6(+5%C5F12) | -63.8 | 0.005 | 62 | 41 |
C3F8(+5%C5F12) | -36.7 | <<0.005 | 84 | 71 |
C4F8(+5%C5F12) | -6 | 0.016 | 7 | 6 |
C4F10(+5%C5F12) | -1.7 | <0.005 | 1 | 1 |
氙(+5%C5F12) | -108.1 | 0.108 | 38 | 17 |
试验 | 气泡浓度(初始时的%) | 气泡体积(初始时的%) |
缓慢冷冻(-18℃) | 16 | 39 |
迅速冷冻(-45℃) | 24 | 51 |
滗析的(-18℃) | 14 | 34 |
均匀的(-18℃) | 24 | 61 |
初始直径Dn(μm) | 冻/融后直径Dn | 气泡浓度(初始时的%) | 吸光度700nm(初始时的%) |
2.5 | 2.5 | 19 | 20 |
4.6 | 4.5 | 60 | 68 |
6.0 | 6.2 | 86 | 100 |
7.6 | 8.1 | 76 | 91 |
悬浮介质 | 吸光度700nm(初始时的%) | 气泡浓度(初始时的%) |
蒸馏水 | 69 | 66 |
0.9%NaCl | 86 | 92 |
3%甘油 | 92 | 96 |
100mg/ml海藻糖 | 89 | 73 |
气泡浓度(×108/ml) | 气泡体积(μm/ml) | 气泡直径(μm) | |||
自然状态 | 冻/融 | 自然状态 | 冻/融 | 自然状态 | 冻/融 |
1.9 | 1.9(1.9)* | 6.8 | 6.0(5.5)* | 3.1 | 3.0(2.9)* |
3.9 | 3.7(3.3) | 14.7 | 11.5(9.4) | 3.1 | 2.8(2.6) |
5.9 | 5.7(5.4) | 22.6 | 20.4(18.6) | 3.1 | 3.0(3.0) |
7.7 | 7.6(6.1) | 28.3 | 24.6(17.0) | 3.0 | 2.9(2.7) |
样品(含空气) | 吸光度700nm | 气泡浓度(×108/ml) | 直径Dn(μm) |
自然状态 | 0.25 | 1.4 | 3.6 |
冻/融后 | 0.13 | 0.4 | 6.3 |
样品(空气+5%C5F12) | 吸光度700nm | 气泡浓度(×108/ml) | 直径Dn(μm) |
自然状态 | 0.64 | 2.4 | 3.7 |
冻/融后 | 0.39 | 1.1 | 4.3 |
气体 | 回收的气体体积μm/ml | 融化后直径Dn | 回收的气泡浓度×107 | 温度℃ | 气体混合物空气+5%C5F12 | 回收的气体体积μm/ml | 融化后直径Dn | 回收的气泡浓度×107 |
SF6 | 2.3 | 2.4 | 10.0 | -18 | 空气/C5F12 | 5.5 | 4.6 | 7.7 |
SF6 | 2.8 | 2.6 | 7.9 | -45 | 空气/C5F12 | 4.2 | 4.5 | 6.2 |
SF6 | 1.8 | 2.5 | 6.7 | -70 | 空气/C5F12 | 3.9 | 4.4 | 5.6 |
SF6 | 0.6 | 2.0 | 6.0 | -196 | 空气/C5F12 | 2.7 | 4.0 | 5.1 |
Claims (29)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP94810731 | 1994-12-16 | ||
EP94810731.3 | 1994-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1141001A CN1141001A (zh) | 1997-01-22 |
CN1066965C true CN1066965C (zh) | 2001-06-13 |
Family
ID=8218355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95191640A Expired - Fee Related CN1066965C (zh) | 1994-12-16 | 1995-12-14 | 超声用气体悬浮体及其贮存方法 |
Country Status (19)
Country | Link |
---|---|
US (3) | US5830435A (zh) |
EP (1) | EP0744962B2 (zh) |
JP (1) | JP3958358B2 (zh) |
KR (1) | KR100382811B1 (zh) |
CN (1) | CN1066965C (zh) |
AT (1) | ATE205404T1 (zh) |
AU (1) | AU701807B2 (zh) |
CA (1) | CA2181340C (zh) |
CZ (1) | CZ291540B6 (zh) |
DE (1) | DE69522670T3 (zh) |
DK (1) | DK0744962T4 (zh) |
ES (1) | ES2162943T5 (zh) |
FI (1) | FI120722B (zh) |
IL (1) | IL116328A (zh) |
NO (1) | NO313031B1 (zh) |
NZ (1) | NZ295744A (zh) |
PT (1) | PT744962E (zh) |
WO (1) | WO1996018420A1 (zh) |
ZA (1) | ZA9510721B (zh) |
Families Citing this family (81)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6397098B1 (en) | 1994-09-21 | 2002-05-28 | Medrad, Inc. | Data communication and control for medical imaging systems |
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