Noninvasive fluorescence imaging of small animals

Area of Science:

• Preclinical research
• Biomedical imaging
• Translational science

Background:

• Noninvasive in vivo fluorescence imaging is a rapidly advancing preclinical research tool.
• Widely applied in oncology, infectious disease, and immunology research.
• Detects disease-specific processes like immune response, inflammation, cancer, and pathogens in living animals.

Purpose of the Study:

• To review the principles and practicalities of small animal in vivo fluorescence imaging.
• To guide researchers in applying this technique to their specific research questions.
• To discuss light distribution, imaging modalities, contrast agents, and applications.

Main Methods:

• Review of fundamental principles of in vivo fluorescence imaging.
• Discussion of light distribution and its impact on imaging.
• Overview of planar and tomographic imaging techniques.
• Examination of fluorescent contrast agents and their applications.

Main Results:

• In vivo fluorescence imaging provides real-time, noninvasive visualization of biological processes.
• Technique is complementary to other imaging modalities.
• Understanding light distribution is crucial for accurate interpretation.
• Various fluorescent contrast agents enable targeted detection.

Conclusions:

• Noninvasive in vivo fluorescence imaging is a versatile and powerful tool for preclinical research.
• The review provides a foundational understanding for effective application.
• Further research can leverage this technique for diverse disease models.