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Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

65
Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
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Multiple Comparison Tests01:13

Multiple Comparison Tests

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Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
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Center of Mass: Introduction01:03

Center of Mass: Introduction

14.5K
Any object that obeys Newton's second law of motion is made up of a large number of infinitesimally small particles. Objects in motion can be as simple as atoms or as complex as gymnasts performing in the Olympics. The motion of such objects is described about a point called the center of mass of the object. The center of mass of an object is a point that acts as if the whole mass is concentrated at that point. The center of mass of an object with a large number of infinitesimally small...
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相关实验视频

Updated: Jul 27, 2025

Cannula Implantation into the Cisterna Magna of Rodents
10:13

Cannula Implantation into the Cisterna Magna of Rodents

Published on: May 23, 2018

45.5K

一个CMC-

Elmira Hemmati1, Somayeh Soleimani-Amiri1, Mehran Kurdtabar1

  • 1Department of Chemistry, Karaj Branch, Islamic Azad University Karaj Iran s.soleimani@kiau.ac.ir m.kurdtabar@kiau.ac.ir.

RSC advances
|June 5, 2023
PubMed
概括

一种新型的碳甲基纤维素-移植多 ((亚克力酸-co-2-亚克利胺-2-甲基硫酸) /Fe3O4水凝纳米复合物作为一种绿色催化剂,有效合成1,4-二二二衍生物.

科学领域:

  • 材料科学 材料科学 材料科学
  • 催化剂是一种催化剂.
  • 绿色化学 绿色化学

背景情况:

  • 碳氧甲基纤维素 (CMC) 是一种多功能生物材料.
  • 开发高效和环保的催化剂对于可持续合成至关重要.
  • 氧化铁 (Fe3O4) 纳米粒子具有独特的磁性.

研究的目的:

  • 设计和合成一种新的CMC-g-poly ((AA-co-AMPS) /Fe3O4水凝纳米复合材料.
  • 为了评估其作为1,4-二二二合成的生物相容催化剂的性能.
  • 为了研究热和超声波辅助反应条件.

主要方法:

  • 在CMC上对烯酸 (AA) 和2-烯胺-2-甲基硫酸 (AMPS) 的移植共聚化.
  • 与FeCl3/FeCl2进行交联,形成水凝纳米复合材料.
  • 使用FT-IR,SEM,TEM,EDX,TGA/DTA和VSM进行表征.

主要成果:

  • 成功合成和表征CMC-g-poly ((AA-co-AMPS) /Fe3O4水凝纳米复合材料.
  • 在绿色合成1,4-二二氨酸衍生物中表现出高效率.
  • 实现了催化剂回收,短反应时间和温和的反应条件.

更多相关视频

Operation of the Collaborative Composite Manufacturing CCM System
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Operation of the Collaborative Composite Manufacturing CCM System

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Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples
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Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples

Published on: July 6, 2014

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相关实验视频

Last Updated: Jul 27, 2025

Cannula Implantation into the Cisterna Magna of Rodents
10:13

Cannula Implantation into the Cisterna Magna of Rodents

Published on: May 23, 2018

45.5K
Operation of the Collaborative Composite Manufacturing CCM System
10:09

Operation of the Collaborative Composite Manufacturing CCM System

Published on: October 1, 2019

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Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples
12:34

Collection, Isolation, and Flow Cytometric Analysis of Human Endocervical Samples

Published on: July 6, 2014

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结论:

  • 合成的水凝纳米复合材料是一种有效和可重复使用的生物催化剂.
  • 热和超声波辅助的方法都为1,4-DHP合成提供了有效的途径.
  • 这种方法提供了一个符合环境和可持续的催化系统.