Label-free molecular profiling of cancer using Raman spectroscopy: from fundamentals to clinical applications
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By
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Minglong Li
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Dongjie Yang
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Tong Liu
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Shiyin Liu
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Wenqi Sun
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Ping Cai
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Yanping Shen
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Weimin Zhang
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Guye Lu
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Yuan Weng
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Haifeng Wang
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Xiaoyu Zhao
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Jinyou Li
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July 3, 2026
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Clinical Scorecard: Unlabeled Molecular Characterization of Cancer through Raman Spectroscopy: Principles and Clinical Implications
At a Glance
| Category | Detail |
| Condition | Cancer |
| Key Mechanisms | Raman spectroscopy utilizes molecular vibrations for label-free tissue characterization and real-time histopathological evaluation. |
| Target Population | Patients with various solid tumors including lung, liver, and colorectal cancers. |
| Care Setting | Clinical oncology and surgical environments. |
Key Highlights
- Raman spectroscopy offers unique capabilities for early cancer detection and tumor classification.
- The technique provides real-time histopathological evaluation without the need for exogenous dyes.
- Recent advances include enhanced Raman techniques like CARS and SRS for improved diagnostic accuracy.
- Raman spectroscopy can differentiate between benign and malignant tissues based on biochemical fingerprints.
- Challenges include spectral unmixing and the need for standardized data processing pipelines.
Guideline-Based Recommendations
Diagnosis
- Utilize Raman spectroscopy for non-invasive cancer detection and classification.
Management
- Incorporate Raman-based approaches in intraoperative assessments to guide surgical decisions.
Monitoring & Follow-up
- Employ Raman techniques to study tumor metabolic profiles and the tumor microenvironment.
Risks
- Address potential diagnostic errors due to tumor heterogeneity and sampling limitations.
Patient & Prescribing Data
Individuals undergoing cancer diagnosis and treatment.
Raman spectroscopy may enhance the precision of cancer management through real-time analysis.
Clinical Best Practices
- Integrate Raman spectroscopy into existing clinical workflows for improved diagnostic accuracy.
- Ensure robust spectral unmixing and data processing for effective clinical application.
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