Dissertation > Excellent graduate degree dissertation topics show

Ordered Mesoporous Carbon Modified : Synthesis and Applications

Author: NDAMANISHA Jean Chrysostome
Tutor: Professor Liping GUO
School: Northeast Normal University
Course: Analytical Chemistry
Keywords: Ordered Mesoporous Carbon Electrocatalytic Thiol Glucose Ferrocenecarboxylate Functional Uric acid Peroxide
CLC: O613.71
Type: PhD thesis
Year: 2009
Downloads: 643
Quote: 1
Read: Download Dissertation

Abstract


Recently, the development of mesoporous carbon aroused great interest. Such a carbon material has a high surface area, uniform pore size adjustable, high thermal stability, the structure of variable composition and high chemical stability. These features make the mesoporous carbon be used to detect certain substances electrochemical behavior of new materials. Although some work has been used to study the mesoporous carbon electrocatalytic applications, but to understand its electrochemical activity is still very important. Further improvement in these mesoporous materials as well as the physical and chemical properties of electro-catalytic also very important. In this work, the improvement of these properties before, we try to apply it to detect the electrochemical activity of some material. In the first part of the paper, we introduce the mesoporous carbon in thiols electrocatalytic activity plays an important role in, as well as changes in the structure of mesoporous carbon causes a decline in these properties. The results show that the modified mesoporous carbon electrode, the oxidation of glutathione and cysteine ??are very different, the cysteine ??on the electrode potential of 0.47 V peak point. This difference for the detection of glutathione to reduce the interference of cysteine ??is helpful. High surface area, ordered mesoporous structure, high sensitivity and low limits of detection that the mesoporous carbon as a novel non-enzymatic glucose sensor amp. The second part describes the modification of mesoporous carbon. The results showed that the ferrocene mesoporous carbon fixed on the ordered structure of mesoporous carbon unspoiled. Mesoporous Carbon - Electrochemical characterization of ferrocene show ferrocene is electrochemically active. In pH 7.3 buffer solution, mesoporous carbon - ferrocene modified electrode has a high ascorbic acid electrocatalytic activity, with bare glassy carbon electrode overpotential compared to a great fall, and the anode current has significantly enhanced . Determination of Uric Acid Ascorbic acid is a major interferences in the presence of ascorbic acid under the conditions we used mesoporous carbon - ferrocene modified electrode to detect uric acid. Since ascorbic acid and uric acid voltammetric signals can be well distinguished peak potential difference of 308 mV, so the modified electrode can simultaneously detect ascorbic acid and uric acid. We used a novel method to achieve the iron oxide particles doped mesoporous carbon, and does not reduce the surface area of ??the mesoporous carbon. Through the decomposition of ferrocene derivatives in ordered mesoporous carbon structures produced iron particles. We also compared the mesoporous carbon material containing the iron particles and the nature of the mesoporous carbon, found that the physical and chemical properties of the new material is improved. Since a high surface area mesoporous carbon and the carbon structure of the iron oxide particles occurred, so that the mesoporous carbon - iron materials electrocatalytic activity of hydrogen peroxide is enhanced.

Related Dissertations

  1. Research on Design of Teaching Buildings for Arts Departments of Higher Learning Institutions,TU244.3
  2. Research on the Correlativity between the Common Chinese Medicine Syndromes of CHF and UA、LVMI,R259
  3. Study on Extracting Process of Rhizoma Alismatis and Rhizoma Smilacis Glabrae and Their Hypouricemic Effects,R284
  4. Research and Development of Wear Resistance for Physically Disabled Men Jackets,TS941.2
  5. New Technology and Basic Study on the Direet Preparation of PbO Powder from Galena by Selective Leaching Technology,TQ134.33
  6. Reaserch on the Effect of Fabric Structure on the Performance of Seamless Sports Underwear,TS941.15
  7. The Research on the Comprehensive Modification Technology of Rice Protein Enzymatichydrolysis and Graft Copolymerization,TS201.2
  8. Functional Realization of the Competitive Selection System,D262.3
  9. Funcational Verification of Multifunction Vehicle Bus Controllor,TP273
  10. Macrobenthic Secodary Production at Tianhe Inertial, Wenzhou,Q958.8
  11. Expression of Glucose Oxidase Gene from Aspergillus Niger Z-25 in Pichia Pastoris,Q78
  12. Cloning and Functional Analysis of Lytic Enzyme Production Related Gene Ctp in Lysobacter Enzymogenes Strain OH11,TQ925
  13. The Research on the Modification and Functional Properties of Rice Glutelin,TS201.21
  14. Study on Host Selection of Encarsia Sophia between Bemisia Tabaci B-Biotype and Q-Biotype Nymph,S476.3
  15. Proteomic Research of Rice Plasma Membrane Protein under Blast Stress,S511
  16. The Genetic Transformation and Functional Analysis of GmFtsH,S565.1
  17. Molecular Cloning and Differential Expression of Isopentenyl-Diphosphate Delta Isomerase 1 Gene from the Fungus Ganoderma Lucidum,S567.31
  18. The Effects of Exogenous H2O2 and AsA on Hyperhydricity and the Characteristics of Endogenous Reactive Oxygen Species Metabolism of the Garlic Plantlet in Vitro,S633.4
  19. The Changes of Intimal Macrophages, Smooth Muscle Cells, Collagen, and Cpt-Ⅰ, GLUT-4 of Vascular Media in Human Lower Limb Artery with Atherosclerotic Stenosis,R543.5
  20. Effect of High Glucose on Chemokine Ligand 16 (CXCL16) Expression and Secretion in THP-1 Macrophages and Intervention of Aspirin in the Activity,R587.2
  21. Effect of Cadmium Stress and Sulfur Deficiency on Non-Protein Thiol Content and Glutathione S-Transferase Activity in Rice,S511

CLC: > Mathematical sciences and chemical > Chemistry > Inorganic Chemistry > Non-metallic elements and their compounds > Part Ⅳ family of non-metallic elements (carbon and silicon ) and its compounds > Carbon C
© 2012 www.DissertationTopic.Net  Mobile