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A Novel Label-Free Method for Efficient Detection of Bisphosphonate Drug Dissolution Rates Using Surface-Enhanced
Li Zhang1, Junting Wang2, Shuang Jiang1
1State Key Laboratory of Frigid Zone Cardiovascular Diseases (SKLFZCD), Research Center for Innovative Technology of Pharmaceutical Analysis, College of Pharmacy, Harbin Medical University, Harbin 150086, China.
Analytical Chemistry
|December 18, 2024
Summary
A new surface-enhanced Raman spectroscopy (SERS) method offers fast, label-free detection of bisphosphonate drug dissolution rates. This technique provides sensitive and reproducible quality control for drugs like etidronate, alendronate, and risedronate.
Area of Science:
- Analytical Chemistry
- Materials Science
- Pharmaceutical Science
Background:
- Bisphosphonates are crucial drugs for treating bone diseases.
- Accurate quality control of bisphosphonate drugs is essential for patient safety and therapeutic efficacy.
- Current methods for assessing bisphosphonate dissolution rates can be time-consuming or lack sensitivity.
Purpose of the Study:
- To develop a novel, rapid, and sensitive method for label-free detection of bisphosphonate dissolution rates.
- To establish a reliable technique for the qualitative and quantitative quality control of bisphosphonate drugs.
- To utilize surface-enhanced Raman spectroscopy (SERS) with modified nanoparticles for enhanced drug analysis.
Main Methods:
- Development of a surface-enhanced Raman spectroscopy (SERS) technique.
- Utilizing calcium ion-modified silver nanoparticles as the SERS enhancing substrate.
- Label-free detection and quantitative analysis of bisphosphonate dissolution rates.
Main Results:
- Achieved detection limits as low as 1 ng/mL for etidronate, alendronate, and risedronate.
- Demonstrated high sensitivity, speed, and reproducibility of the SERS method.
- Successfully identified characteristic drug peaks without interference from common pharmaceutical excipients.
Conclusions:
- The developed SERS-based method provides a simple, efficient, and reliable approach for bisphosphonate drug quality control.
- This technique significantly advances the capabilities for precise qualitative and quantitative analysis of bisphosphonates.
- The method holds promise for routine application in pharmaceutical quality assurance and drug development.
