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Related Experiment Video

Updated: May 15, 2026

Cerebral Blood Flow-Based Resting State Functional Connectivity of the Human Brain using Optical Diffuse Correlation Spectroscopy

Cerebral Blood Flow-Based Resting State Functional Connectivity of the Human Brain using Optical Diffuse Correlation Spectroscopy

Published on: May 27, 2020

[A study on blood flow measurement by diffuse correlation spectroscopy].

Jia-Ming Liang¹, Jing Wang, Jian-Sheng Mei

¹The Key Laboratory of Biomedical Information Engineering of Ministry of Education, and Institute of Biomedical Analytical Technology and Instrumentation, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China. ljm1220@163.com

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu

|January 5, 2013

Summary

This summary is machine-generated.

This study introduces a noninvasive method using near-infrared diffuse correlation spectroscopy (DCS) to measure blood flow. The developed system accurately assesses forearm blood flow, demonstrating feasibility for clinical applications.

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Non-invasive Optical Measurement of Cerebral Metabolism and Hemodynamics in Infants

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Published on: March 14, 2013

Area of Science:

Biomedical Optics
Physiological Measurement
Photonics in Medicine

Context:

Accurate blood flow measurement is crucial for clinical diagnosis and treatment.
Noninvasive techniques are highly desired by clinicians and patients.
Existing methods may be invasive or lack depth profiling capabilities.

Purpose:

To develop and validate a noninvasive method for measuring blood flow.
To theoretically analyze the relationship between light scattering and blood flow.
To build a functional system for real-time blood flow assessment.

Summary:

Near-infrared diffuse correlation spectroscopy (DCS) was employed to measure blood flow noninvasively.
A theoretical model and measurement system were established, analyzing speckle intensity fluctuations.
Forearm blood flow was measured in human subjects during cuff inflation/deflation, confirming system feasibility.

Impact:

Demonstrates the feasibility of noninvasive blood flow measurement using DCS.
Suggests the potential for depth-resolved blood flow information within tissues.
Paves the way for improved noninvasive hemodynamic monitoring in clinical settings.