CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE I
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE I
批准号:
6278512
负责人:
Robert L Conhaim
金额:
$0.05万
依托单位国家:
美国
项目类别:
财政年份:
1998
资助国家:
美国
项目状态:
已结题
起止时间:
1998-07-01 至 2000-06-30
中文摘要
点击翻译按钮获取中文摘要
英文摘要
We will measure the functional caliber of alveolar septal
microvessels in isolated rat lungs which have been prepared so that
lung inflation pressure exceeds perfusion pressure (zone 1). This
causes the microvessels to compress nearly to the point of collapse.
The measurements will be made by perfusion isolated rat lungs with
fluorescent latex particles of specific diameters (0.010- 10.0
micrometers). The lungs will then be frozen, fixed by freeze
substitution and embedded. Sections will be examined using a laser
confocal fluorescence microscope. From the images, latex particle
density will be measured in individual alveolar septa. Data will be
compared from lungs perfused with different particle diameters and
used to calculate the functional septal microvascular syncytial
caliber under the conditions in which the lungs were perfused. Using
a newly developed method, we plan to reconstruct three dimensionally
the perfusion characteristics of intravenous ruscitation and
hemoglobin solutions in isolated rat lungs. It is of medical
importance to follow these pathways to see if perfusion exists at the
capillary level. If these solutions can enter capillaries under high
lung inflation pressures, it will be very useful as an oxygen carrying
agent in treating hypovolemic shock patients.
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会议论文
Role of Lung Microvascular Vasoactivity in Control of Lung Capillary Perfusion
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批准号:8628303
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项目类别:
-
资助金额:$0.0万
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财政年份:2013
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负责人:Robert L Conhaim
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依托单位:
Role of Lung Microvascular Vasoactivity in Control of Lung Capillary Perfusion
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批准号:8966635
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项目类别:
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资助金额:$0.0万
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财政年份:2013
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE I
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批准号:6117317
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项目类别:
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资助金额:$1.13万
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财政年份:1998
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE I OF RAT LUNG
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批准号:6248510
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项目类别:
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资助金额:$0.77万
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财政年份:1997
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE 1
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批准号:2226060
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项目类别:
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资助金额:$15.51万
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财政年份:1993
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE 1
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批准号:2226062
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项目类别:
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资助金额:$15.94万
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财政年份:1993
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE 1
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批准号:2226061
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项目类别:
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资助金额:$15.33万
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财政年份:1993
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负责人:Robert L Conhaim
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依托单位:
CALIBER OF ALVEOLAR SEPTAL MICROVESSELS IN ZONE I: RAT LUNGS
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批准号:5220678
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项目类别:
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资助金额:$0.0万
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财政年份:--
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负责人:Robert L Conhaim
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依托单位:--
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