Related Experiment Video
Updated: Jun 26, 2026

Nuclear Magnetic Resonance Spectroscopy for the Identification of Multiple Phosphorylations of Intrinsically Disordered Proteins
Published on: December 27, 2016
Bisphosphonate determination using 1H-NMR spectroscopy for biomedical applications
J Chou1, R Shimmon, B Ben-Nissan
1Department of Physics and Advanced Materials, University of Technology, Sydney, NSW, Australia. joshua.chou@uts.edu.au
A new quantitative nuclear magnetic resonance spectroscopy method accurately identifies and measures bisphosphonate in solutions. This technique offers a universal standard for pharmaceutical analysis, aiding osteoporosis treatment and bone regeneration research.
Area of Science:
- Analytical Chemistry
- Pharmaceutical Science
- Biomedical Engineering
Background:
- Bisphosphonates are crucial drugs for treating osteoporosis and promoting bone regeneration.
- Accurate quantification of bisphosphonates in pharmaceutical preparations is essential for therapeutic efficacy and safety.
Purpose of the Study:
- To develop and validate a novel method for identifying and quantifying bisphosphonate in solution.
- To demonstrate the effectiveness of quantitative nuclear magnetic resonance spectroscopy (qNMR) for bisphosphonate analysis.
Main Methods:
- Utilized proton nuclear magnetic resonance spectroscopy ((1)H-NMR) for quantitative analysis.
- Employed a universal reference standard with a similar functional group for internal standardization.
- Applied the method to determine bisphosphonate concentration in various solutions.
Main Results:
- The (1)H-NMR method proved effective in identifying and quantifying bisphosphonate.
- Demonstrated the feasibility of using a universal reference standard for quantitative NMR assays.
- The developed method offers an alternative to traditional chromatographic techniques.
Conclusions:
- Quantitative NMR spectroscopy provides a robust and versatile tool for bisphosphonate measurement.
- This novel method has significant potential for pharmaceutical quality control and drug development.
- The technique is applicable across a range of pharmaceutical and biomedical applications requiring precise drug quantification.
Related Concept Videos
Other Nuclides: 31P, 19F, 15N NMR
While fluorine-19 and phosphorous-31 have high natural abundances (100%) and positive gyromagnetic ratios, nitrogen-15 has a low natural abundance and a negative gyromagnetic ratio. However, nitrogen-15 is still preferred over nitrogen-14 (which has a high...
Applications Of NMR In Biology
The...
¹H NMR: Pople Notation
A proton...
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)
2D NMR: Heteronuclear Single-Quantum Correlation Spectroscopy (HSQC)
¹³C NMR: ¹H–¹³C Decoupling
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...

