Related Experiment Video
Updated: Jul 10, 2026
11:53
Paper-based Devices for Isolation and Characterization of Extracellular Vesicles
Published on: April 3, 2015
Response to Paper by Tao et al.: 2024; 34:1004-1017
1University of Minnesota, Minneapolis, MN, USA. buchw001@umn.edu.
Obesity Surgery
|April 8, 2024
Abstract
No abstract available in PubMed .
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02:46Chi-square Analysis
The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
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The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
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Total internal reflection fluorescence microscopy or TIRF is an advanced microscopic technique used to visualize fluorophores in samples close to a solid surface with a higher refractive index, such as a glass coverslip. TIRF only allows fluorophores in proximity to the solid surface to be excited. When light from a medium with a lower refractive index (such as air) hits the glass coverslip at a critical angle, the light undergoes total internal reflection stead of passing through the glass.