C-Peptide Quantification Service
- Measurement of C-peptide concentrations in serum, plasma, cell supernatants, and other sample types
- Analysis of C-peptide level changes under different experimental conditions or time points
- Quantitative assessment of C-peptide stability and recovery in experimental systems
- Comparative analysis of C-peptide abundance across multiple samples
- Raw mass spectrometry data files (RAW)
- C-peptide quantification result tables (Excel format)
- Quantitative spectra and peak area plots (TIFF or PNG format)
- Comprehensive analysis report (PDF), including experimental conditions and result interpretation
MtoZ Biolabs utilizes a high-sensitivity liquid chromatography-tandem mass spectrometry (LC-MS/MS) platform and offers the C-peptide quantification service to provide precise and reliable quantification of C-peptide levels in samples. This service is widely applied in pancreatic function assessment, metabolic research, and drug response monitoring, providing a solid data foundation for studies of glucose metabolism regulation and biomedical analysis.
What is C-Peptide?
C-peptide is the connecting peptide released when proinsulin is cleaved to form mature insulin. Because it has a longer half-life and greater stability, it is often used as a reliable indicator of pancreatic β-cell secretory function. Its measurement is not affected by exogenous insulin and can more accurately reflect endogenous insulin secretion. Accurate quantification of C-peptide helps evaluate pancreatic function and provides key references for studying insulin-related metabolic processes.
Milionis, C. et al. World Journal of Experimental Medicine, 2024.
Figure 1. The Structure of Pro-insulin Showing C-Peptide and the A and B Chains of Insulin.
C-Peptide Quantification Service at MtoZ Biolabs
MtoZ Biolabs provides precise C-peptide quantification services through high-sensitivity LC-MS/MS and related analytical technologies to help evaluate the actual abundance and variation patterns of C-peptide in samples.
Our analysis offers clear data insights into C-peptide expression levels and variation trends under various experimental conditions, enabling researchers to obtain reliable quantitative information.
Workflow of C-Peptide Quantification Service
1. Sample Preprocessing
Centrifuge, remove impurities, dilute, or enrich serum, plasma, or cell supernatant samples to ensure that C-peptide is suitable for subsequent analysis.
2. LC-MS/MS Detection
Use high-performance liquid chromatography to separate sample components, followed by tandem mass spectrometry for specific monitoring and signal acquisition of C-peptide.
3. Data Processing and Quantitative Analysis
Apply professional software for peak area integration and signal comparison, and use internal standards or calibration curves to complete concentration conversion and obtain accurate quantitative results for C-peptide.
4. Result Compilation and Report Output
Provide a standardized report containing quantitative data, spectra, and method descriptions to support subsequent research and data interpretation.
Stoyanow, A V. et al. Journal of Chromatography & Separation Techniques, 2013.
Figure 2. Purified C-Peptide MS Characterization.
Why Choose MtoZ Biolabs?
✅ High-Sensitivity Detection: Enables accurate quantification of low-concentration C-peptide.
✅ Stable and Reliable Data: Standardized workflows ensure results are repeatable and comparable.
✅ Fast Turnaround: Efficient processes shorten detection and report delivery time.
✅ Professional Technical Support: Provides guidance on method optimization and data interpretation.
✅ Flexible Customized Solutions: Adjusts quantification strategies and detection ranges based on research needs.
Applications of C-Peptide Quantification Service
1. Protein Expression Level Assessment
Used to compare relative changes in C-peptide under different treatments, conditions, or systems, supporting the study of protein expression regulation trends.
2. Cellular Secretion Activity Research
Used to monitor C-peptide secretion levels under various culture conditions, stimuli, or treatments, evaluating secretion characteristics.
3. Metabolic Pathway-Related Studies
Applicable for examining metabolic processes involving C-peptide generation, conversion, or utilization, and analyzing its variation patterns under different experimental conditions.
4. Culture System Optimization
Used to assess the impact of culture conditions, feeding strategies, or exogenous factors on C-peptide production, providing data support for system optimization.
5. Protein Function-Related Research Support
By quantifying changes in C-peptide levels, helps infer trends in protein processing, maturation, or stability.
Deliverables
1. Comprehensive Experimental Details
2. Materials, Instruments, and Methods
3. C-Peptide Quantification Result Table
4. Quantitative Spectra and Peak Area Plots
5. Bioinformatics Analysis
6. Raw Data Files
FAQ
Q1: What types of samples are suitable?
A1: This service is suitable for multiple sample types, including serum, plasma, cell culture supernatants, and purified peptide samples. To ensure quantitative accuracy, it is recommended that samples maintain high purity, contain no residual salts, surfactants, or strong buffers, and be handled in a way that minimizes degradation.
Q2: What is the service general workflow?
A2:
Q3: What data formats are provided?
A3: The deliverables include several commonly used data formats to support downstream analysis and archiving:
If special analytical requirements exist, data formats can be customized according to project specifications.
Q4: How should I prepare my samples?
A4: To obtain high-quality quantitative data, it is recommended to prepare samples according to the following guidelines:
(1) Sample purity: Avoid interference from high salt levels, strong buffers, lipids, and precipitates
(2) Storage conditions: Store at -20℃ for short-term preservation and at -80℃ for long-term storage
(3) Transportation: Ship using cold chain or dry ice, ensuring the samples remain sealed and leak-proof
(4) Additional information: Provide sample origin, concentration, and analysis requirements to support optimization of the quantification workflow
For more information, please refer to Sample Submission Guidelines for Proteomics, Sample Submission Guidelines for Metabolomics.
Start Your Project with MtoZ Biolabs
Contact us to discuss your experimental design or request a quote. Whether you are exploring changes in C-peptide expression or investigating its quantitative characteristics under different conditions, MtoZ Biolabs can provide precise and reliable analytical support.
How to order?
