Non-destructive analysis of embryonic stem cells within a growing culture by Coherent Anti-Stokes Raman Spectroscopy (CARS) (CAT#: STEM-ST-0038-WXH)

Introduction

Embryonic stem cells (ESCs) are found in the inner cell mass of the human blastocyst, an early stage of the developing embryo lasting from the 4th to 7th day after fertilization. In normal embryonic development, they disappear after the 7th day, and begin to form the three embryonic tissue layers.
These stem cells are being used in drug development, toxicology testing, and disease reversal, as well as to grow healthy new tissue to heal injuries.

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Principle Applications Procedure Materials Notes Related Products

Principle

Coherent Anti-Stokes Raman Spectroscopy (CARS) is a nonlinear Raman spectroscopy technique that uses two very strong collinear lasers to irradiate a sample. The frequency is usually kept constant, with the second laser tuned so that the frequency difference between the two lasers equals the frequency of a Raman-active mode of interest.

Applications

• Analysis of biocompatibility of a material.
• Analysis of nucleic acids.
• Study of interactions between drugs and cells.
• Photodynamic therapy (PDT).
• Analyzing metabolic accumulations of a substance or compounds.
• Diagnosis of disease.
• Analysis of individual cells.
• Cell sorting applications.
• Analyzing the features of biomolecules.
• Study of bone structure.

Procedure

1. Preparation of samples
2. Determine instrument parameters
3. Perform background scan
4. Test the sample
5. Data analysis

Materials

• Raman Spectrometer
• Raman Imaging Microscope

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