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Enhancement and inhibition by organic compounds of some chemiluminescent systems and their analytical applications in food safety

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英文文摘

Chapter Ⅰ: Advanced in analytical chemiluminescence in flowing system

1. Introduction

2. Basic principle of analytical chemiluminescence

2.1. Reactant

2.2. Catalyst

2.3. Enhancer

2.4. Inhibitor

3. CL Reactions

3.1. Luminol

3.2. Lucigenin

3.3. Peroxyoxalates

3.4. Tris(2,2'-bipyridine) ruthenium(Ⅲ)

3.5. Lophine

4. Application

4.1. Pharmaceutical analysis

4.2. Clinical analysis

4.3. Food analysis

4.4. Environmental analysisv

4.5. Other analysis

5. Conclusion

References

Chapter Ⅱ: Review of determination of p-hydroxybenzoic acid and its esters in foodstuffs, cosmetics, and pharmaceuticals by various techniques

1. Introduction

2. Techniques used

2.1. Spectrofluorimetric method

2.2. Gas chromatographic method ( GC )

2.3. Amperometric method

2.4. Thin-layer chromatographic method ( TLC )

2.5. Capillary electrophoresis ( CE )

2.6. High performance liquid chromatographic method

3. Conclusion

Nomenclatures

References

Chapter Ⅲ: Flow injection-chemiluminescence determination of paraben preservative in food safety

1. Introduction

2. Experimental

2.1. Chemicals

2.2. Apparatus

2.3. CL detection procedures

2.4. Sample preparation

3. Results and discussion

3.1. Kinetic characteristics of CL system

3.2. Optimization

3.3. Analytical parameters

3.4. Interference studies

3.5. Sample analysis

3.6. Possible CL mechanism

4. Conclusion

References

Chapter Ⅳ: Chemiluminescent detection of p-hydroxybenzoic acid in apple juice

1. Introduction

2. Experimental

2.1. Reagents

2.2. Apparatus

2.3. Procedure

2.4. Sample preparation

3. Results and discussion

3.1. CL of cerium (Ⅳ)-rhodamine 6G-p-hydroxybenzoic acid system

3.2. Optimization of experimental condition

3.3. Analytical characteristics

3.4. Interference studies

3.5. Analysis of sample

4. Conclusion

References

Chapter Ⅴ: Effects of phenol and aniline derivatives on lueigenin chemiluminescence at different PHs

1. Introduction

2. Experimental

2.1. Apparatus

2.2. Reagents and solutions

2.3. Procedure

3. Results and discussion

3.1. Effect of pH

3.2. Effect of reducing organic compounds on CL spectra

3.3. Fluorescence spectra

3.4. Mechanism of CL inhibition and enhancement

4. Conclusion

References

table

supporting information

Conclusion

Appendix

Acknowledgement

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摘要

该文首先综述了化学发光(CL)技术在食品,医药,环境,临床以及其他领域的分析应用.基于对羟基苯甲酸和对羟基苯甲酸酯对铈(Ⅳ)-罗丹明6G体系的增敏作用,该文建立了新的分析方法,并将此方法应用于食品中对羟基苯甲酸和对羟基苯甲酸酯的测定;系统研究了酚胺类衍生物在不同的pH下对光泽精-过氧化氢-钴(Ⅱ)CL体系的影响,并讨论了其增强和抑制作用的机理.

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