NMR
Polymer, small molecule compound, protein / polypeptide
| Sample type | Test items | ||
| Polysaccharide | purification | Purification of polysaccharide gel system | |
| Molecular weight determination | |||
| Structural analysis | Monosaccharide composition analysis | ||
| Infrared identification and analysis of Polysaccharides | |||
| Polysaccharide methylation | Neutral polysaccharide | ||
| Acid polysaccharide | |||
| One dimensional NMR (hydrogen spectrum, carbon spectrum，DEPT135) | |||
| 2d NMR（HMBC, HSQC, HHCOSY,NOESY） | |||
| Data analysis | |||
| Polysaccharide metabolomics | Detection of polysaccharide metabolites | ||
| Metabonomics big data analysis | |||
| Small molecule organic compound | purification | Organic purification | |
| Structural analysis | Fourier transform infrared spectrometer | ||
| High resolution mass spectrometry | |||
| X-ray fluorescence spectrum analyzer | |||
| One dimensional NMR (hydrogen spectrum, carbon spectrum，DEPT135） | |||
| 2d NMR（HMBC, HSQC, HHCOSY,NOESY） | |||
| Data analysis | |||
| Macromolecular substances | The same as above | ||
| Protein / polypeptide | Protein primary structure | Amino acid sequencing（edman、lc-ms），Data analysis | |
| Protein secondary and tertiary structure | Nuclear magnetic one dimensional(hydrogen spectrum, carbon spectrum，DEPT135) | ||
| 2d NMR（HMBC, HSQC, HHCOSY,NOESY 、NOE） | |||
| Circular dichroism | |||
| Time of flight mass spectrometry | |||
| Data analysis | |||
Service one-to-one
The Institute of clean analysis technology adopts the engineer's online one-to-one service process to ask questions face-to-face. The engineer formulates characteristic detection schemes and solutions according to the different detection needs and purposes of enterprises and universities.
Complete types of instruments
We have high-tech analysis equipment. Our main services include: chromatographic test, spectral test, thermal spectrum test, mass spectrometry test, electron microscope test, nuclear magnetic test and other tests.
Strong team skills
Qingxi Research Institute provides a perfect one-stop service mode. We have a strong team of project experts, integrate professional professors and doctoral tutors from many well-known universities, and are committed to product analysis, testing, formula reduction, R & D, new field and new material development, etc.
What can we offer ?
1. Quickly obtain various analysis data: component analysis, formula analysis, foreign matter analysis, unknown matter analysis, element ion content detection and other data reports;
2. Test and analysis report: physical performance test report, chemical performance test, aging performance test, mechanical performance test, toxic and harmful substances test, electrical performance test, etc;
3. Introduction to analysis and detection methods: sample pretreatment - large-scale spectral analysis - spectral analysis - data support - expert review - post-processing technical services
4. Sample pretreatment: adopt different scientific separation and enrichment methods according to different types of samples (from organic to inorganic, and from different formula components to system components)
5. Large instrument analysis: qualitative and quantitative analysis, generally using more than ten kinds of instruments, such as infrared spectrum, nuclear magnetic resonance spectrum, GC-MS, Py-GC-MS, ICP, IC, HPLC, XPF, GPC, etc;
6. Spectrum analysis: match the database according to the spectrum data detected by the instrument and combined with industry experience
7. Data corroboration: verify the analysis results in many aspects in combination with atlas analysis, common means of basic chemistry and relevant characteristic verification;
8. Expert review: professors and R & D experts in relevant industries check and review the analysis results;
9. Post technical service: engineers provide solutions to relevant problems encountered by customers in the actual process
