<div>1.1</div><div>Nanotechnology in Medical Science</div><div>1.2</div><div>Carbon nanotubes</div><div>1.2.1</div><div>Synthesis of carbon nanotubes</div><div>1.2.2</div><div>Carbon nanotubes: Optimization, Purification, and Functionalization</div><div>1.2.3</div><div>Optimization of growth condition: Response surface methodology</div><div>1.2.4</div><div>Purification of carbon nanotubes</div><div>1.2.5</div><div>Functionalization of carbon nanotubes</div><div>1.3</div><div>Chemically modified electrodes</div><div>1.4</div><div>Biosensor</div><div>1.5</div><div>Application of carbon nanotubes in glucose biosensor</div><div>1.6</div><div>Aim and Objectives</div><div>1.7</div><div>Thesis structure</div><div>2.1</div><div>Carbon nanotubes</div><div>2.2</div><div>Structures of carbon nanotubes</div><div>2.3</div><div>Synthesis methods of carbon nanotubes</div><div>2.3.1</div><div>Arc discharge</div><div>2.3.2</div><div>Laser vaporization</div><div>2.3.3</div><div>Chemical vapor deposition</div><div>2.4</div><div>Key parameters on carbon nanotubes growth by CVD method</div><div>2.4.1</div><div>Effects of temperature on carbon nanotubes growth</div><div>2.4.2</div><div>Effects of flow rate on carbon nanotubes growth</div><div>2.4.3</div><div>Effects of catalyst on carbon nanotubes growth: ferrocene</div><div>2.5</div><div>Glucose biosensor :First, Second, and third generation</div><div>2.6</div><div>Carbon nanotubes-based biosensors</div><div>2.7</div><div>Functionalization of carbon nanotubes</div><div>2.7.1</div><div>Functionalized carbon nanotubes for direct electron transfer in glucose biosensor</div><div>2.8</div><div>Carbon nanotube-based composites in glucose biosensors</div><div>3.1</div><div>Flowchart</div><div>3.2</div><div>Materials</div><div>3.3</div><div>Synthesis of Multilayer CNTs from Camphor oil by CVD method</div><div>3.4</div><div>Synthesis of well-crystalline CNTs via neutralized cooling technique by CVD method</div><div>3.5</div><div>Synthesis of hig</div>hly oriented vertically aligned CNTs via CVD method<div>3.6</div><div>Synthesis of selective aspect ratio vertically aligned CNTs via CVD method</div><div>3.7</div><div>Optimization of CNTs Growth condition using response surface methodology</div><div>3.7.1</div><div>Design of experimental matrix</div><div>3.7.2</div><div>Experimental methodology</div><div>3.8</div><div>Characterization of synthesized CNTs</div><div>3.8.1</div><div>Raman Spectroscopy: Measuring Conditions</div><div>3.8.2</div><div>Thermogravimetric analysis (TGA): Measuring Conditions</div><div>3.8.3</div><div>Field Emission Scanning electron microscopy (FESEM): Measuring Conditions</div><div>3.8.4</div><div>Transmission electron microscopy (TEM): Measuring Conditions</div><div>3.8.5</div><div>Fourier transform infrared spectroscopy (FTIR): Measuring Conditions</div><div>3.9</div><div>Chemically modified electrodes (CMEs)</div><div>3.9.1</div><div>Pre-treatment of the electrodes</div><div>3.9.2</div><div>Preparat</div>ion of phosphate buffer<div>3.9.3</div><div>Preparation of serum samples & Real sample analysis</div><div>3.9.4</div><div>Fabrication of Chemically modified electrodes</div><div>3.10</div><div>Fabrication of glucose biosensor based on vertically aligned CNTs composite (GOx/ MWCNTs/ Gl/GCE electrode)</div><div>3.10.1</div><div>Synthesis of and purification of MWCNTs</div><div>3.10.2</div><div>Fabrication of GOx/ MWCNTs/ Gl/GCE electrode</div><div>3.11</div><div>Electrochemical measurements of modified electrodes</div><div>3.11.1</div><div>Electrochemical Setup</div><div>3.11.2</div><div>Cyclic voltammetry</div><div>3.11.3</div><div>Chronoamperometric response</div><div>4.1</div><div>Synthesis of CNTs</div><div>4.2</div><div>Fast Synthesis of multilayer CNTs from Camphor oil</div><div>4.3</div><div>Synthesis of well-crystalline CNTs via neutralized cooling method</div><div>4.4</div><div>Highly oriented vertically aligned CNTs via CVD method</div><div>4.5</div><div>Synthesis of </div>selective aspect ratio vertically aligned CNTs via CVD method<div>4.6</div><div>Optimization of the growth condition using response surface methodology</div><div>4.6.1</div><div>Crystallinity Model (ID/IG-single-response optimization)</div><div>4.7</div><div>Verification effects on crystallinity model of CNTs: Morphological and interfacial characterization</div><div>4.7.1</div><div>Effect of temperature on CNTs crystallinity</div><div>4.7.2</div><div>Effect of concentration of precursor on CNTs crystallinity</div><div>4.7.3</div><div>Effect of annealing process on CNTs crystallinity</div><div>4.8</div><div>Constant glucose biosensor based on vertically aligned CNT composites</div><div>4.8.1</div><div>Field emission scanning electron microscopy (FESEM)</div><div>4.8.2</div><div>Transmission electron microscopy (TEM)</div><div>4.9</div><div>Direct electron transfer of GOx/MWCNTs/Gl/GCE</div><div>4.9.1</div><div>Biocatalytic Activity of GOx/MWCNTs/Gl/GC Electrode</div><div>4.9.2</div>