Nanomaterials in the Design of Chemical Sensors and Biosensors: A bottom up Approach
|
|
- Katrina Johnston
- 5 years ago
- Views:
Transcription
1 University of Crete Department of Chemistry Laboratory of Analytical Chemistry Iraklion, Crete, GREECE Top Down Vs Bottom Up Approach in Bio-Sensors Nanomaterials in the Design of Chemical Sensors and Biosensors: A bottom up Approach Nikos A. Chaniotakis The Controlling Parameters of Bio-Sensors Disciplines Involved in the Design of Bio-Sensors Cost Selectivity Detection Limit Nanomaterials Reproducibility Stability Sensitivity MATERIALS Polymers Nanoparticles Semi-conductors CHEMISTRY Organic Physical Inorganic Macromolecular DEVICES BIOLOGY DNA s Cells Bio-Sensors Schematic Diagram of Bio-Sensors Nanomaterials in Bio-Sensors Analyte Electrode Nanomaterials Display Nanomaterials must have unique and novel physical and/or chemical characteristics which can aid in the design of bio-sensors with improved analytical characteristics: Signal Conditioning: Potential, ti Current, Impedance, Light Signal Transduction High surface ratio Novel electro-optical properties Increased catalytic activity Enhanced electron transfer Analyte Recognizing System, Ionophore 1
2 Nanomaterials in Bio-Sensors Operational Principles of Biosensors The example of Oxidase High surface ratio Novel electro-optical properties Increased catalytic activity Enhanced electron transfer Immobilization matrices Stabilization matrices Optical & electrochemical Mediators Transduction platforms +8 mv H 2 O 2 FAD oxidase Nano Materials Quantum Dots e- O 2 FADH Gluconic acid Nanomaterials Quantum Dots? Nanomaterials in Bio-Sensors Stabilization in Nano Spaces Materials Immobilization and stabilization of proteins and other biological molecules GaN Quantum Dots Functionalization with inorganic and biological molecules l (mv) Potential Time (days) M. Vamvakaki, N.A. Chaniotakis, Anal. Chim. Acta 32 (1996) Stabilization of Proteins in Confined Spaces Effect of confinement on the folding free energy as a function of the cage size Protein and Cage Size Maximum stabilization of proteins in spherical cages with diameter of 2 to 6 times the diameter of the native protein Active Surface Ν = 1 Ν = 2 The radius of the protein in the native state (a N ) was given by 3.73N 1/3 Cage size (in units of 2a N ) is given on a log scale. H.X. Zhou, K.A. Dill Biochemistry, 21, 4 (38), Gluconic Acid ~7 nm ~2-1 nm with polyelectrolyte 2
3 Stabilization Pesticide Biosensor Stabilization of Oxidase into nanoporous carbon Peripheral Site Acetylcholine W279 AChE Acylation Site W84 Acetylcholine receptors O Cl C CH O P Cl O OMe OMe O O2 N Dichlorvos P OCH 3 OCH 3 Paraoxon-methyl V. Gavalas, N.A. Chaniotakis, Anal. Chim. Acta 2, 44, 67 Porous Carbon Pesticide Biosensor Nano Biosensors Mutant (E69Y, Y71D) Drosophila melanogaster AChE +35 mv 25 oc 12 free m-ache m-ache in carbon nanopores 7 dichlorvos paraoxon 6 % Inhibition Lipids log[pesticide], M time (hr) fluorescent indicator porin enzyme Insertion of the porin OmpF in the liposome membrane to allow substrate entrance Encapsulation of AChE in liposomes Encapsulation of the ph sensitive fluorescent indicator, pyranine substrate The enzymatic reaction lowers the ph value which is correlated to substrate concentration AChE Acetylcholine + H2O S. Sotiropoulou, N.A. Chaniotakis, Biosens.Bioelectron. 25, 2, 2347 S. Sotiropoulou, N.A. Chaniotakis, Anal.Chim. Acta 25, 53, 199 choline + acetic acid B. Chaize, M. Winterhalter, D. Fournier, BioTechniques 23, 34, 1158 Pesticide Biosensor Fullerenes Calibration Curve Fullerene C6 9 Detection Limit:7.5 x 1-11 M 8 ¾ multiple redox states ¾ low solubility in aqueous solutions ¾ stable in many redox forms 7 6 I (%) % Remaining A Activity 14 3 ± 4 nm Calibration Curve Continuous Operation mv 3 oxidase Mediator(red) 2 FAD FADH Gluconic acid log[dichlorvos], M V. Vamvakaki, N.A. Chaniotakis, Anal. Chim. Acta submitted emediator(ox) 3
4 Fullerenes Fullerenes +1mV +35mV Fullerene Mediator Oxidase FAD Hydrodynamic voltammogram for the glucose biosensors constructed using carbonincubatedfor:( ),4( ),5( ) cycles in the toluene-c 6 solution Calibration curve of the glucose biosensor containing 1.7µg C 6 /mg of electrode material. Measurements were performed in 1mM phosphate buffer, ph=7.5 under argon, at +35mV vs. Ag/AgCl. e - FADH Gluconic acid Flowchart of the processes involved in a light induced fullerene mediated electrochemical biosensor. The operating potential has dropped to +1 mv. V. Gavalas, N.A. Chaniotakis, Anal. Chim. Acta 2, 49, 131 Fullerenes Carbon Nanotubes Pt Transducer Gluconic acid. Ι (µα Α) Light ON Light OFF e - Oxidase [], mm The carbon nanotubes were grown by the CVD method on a platinum substrate, thus providing an array of MWNT, 15-2 microns long and with an internal diameter of 15nm. S. Sotiropoulou, N.A. Chaniotakis, Anal. Bioanal. Chem. 23, 375, 13 Carbon Nanotubes Carbon Nanotube Biosensor SEM images of the Carbon Nanotubes Linear range: M Sensitivity: 93.9 ±.4 µa mm -1 cm -2 (µα) Ι 1..5 Initial Carbon Nanotube Array Acid oxidation (HNO 3 /H 2 SO 4 ) Air oxidation (6 C, 5min) [glucose] (mm) S. Sotiropoulou, N.A. Chaniotakis, Anal. Bioanal. Chem. 23, 375, 13 S. Sotiropoulou, N.A. Chaniotakis, Anal. Bioanal. Chem. 23, 375, 13 4
5 Carbon Nanofiber Biosensor Carbon Nanofiber Biosensor Table 1. Carbon nanofiber physical characteristics Nanofiber Grade LHT HTE GFE Diameter (nm) N2 Surface Area (m 2 /g) > 5 Density (g/cm 3 ) > Heat treatment ( o C) Metal Content (wt. %) <.5 <.5 <.1 Electrical Resistivity (Ohm/cm) < 1-3 < 1-3 < 1-3 SEM image of HTE Nanofibers mean diameter ~ 11 nm length ~ tenths of nanometers Carbon Nanofibers Carbon Nanotubes Carbon Nanofiber Sensor Carbon Nanofiber BioSensor I (A A) 1.x1-3 5.x x x1-3 GFE HTE LHT NANOTUBES GRAPHITE E (V) ing Activity % Remaini GFE HTE LHT NANOTUBES GRAPHITE Stability Study t (hours) Reproducibility: RSD value < 1% (N = 3) GaN Quantum Dots By altering the particle size and the chemical composition of the QDs the fluorescent emission changes. Quantum Dots A quantum dot 5
6 Optical Properties of GaN quantum dots Conclusions-Future Directions Intensit ty (a. u.) Photoluminescence spectra GaN QDs GaN QDs - KCl 1M GaN QDs - KCl 2M Wavelength (nm) Depending on the KCl concentration Blue shift Rise of intensity Nanomaterilas have unique properties that are ideal for the development of highly stable, reproducible, and sensitive chemical sensors and biosensors The particle size and the chemical composition altered QDs fluorescent emission changes Acknowledgments Sofia Sotiropoulou Vicky Vamvakaki Maria Fouskaki Jiannis Alifragis Antonis Volosirakis Kleri Karapidaki Colaborations Microelectronics Group FORTH Prof. Ambacher and his group TUI This work is being supported by the European Commission Programs GANANO and SAFEGARD, IRAKLITOS and ARCHIMIDIS of the Greek Ministry of Education. 6
~ nm. Nanomaterials in Bio-Sensors. Carbon Nanomaterials in Bio-Sensors. Stabilization in Confined Spaces. Stabilization: Protein and Cage Size
Nanomaterials in Bio-Sensors Nanomaterials must have unique and novel physical and/or chemical characteristics which can aid in the design of bio-sensors with improved analytical characteristics: High
More informationBIOSENOSRS BIO 580. Electrochemical Biosensors - theory part 1 WEEK 1 Fall Semester
BIOSENOSRS BIO 580 Electrochemical Biosensors - theory part 1 WEEK 1 Fall Semester Faculty: Dr. Javed H. Niazi KM Faculty of Engineering & Natural Sciences Sabanci University Topics that will be covered
More informationSpecific Determination of Hydrogen Peroxide With A Catalase Biosensor Based on Mercury Thin Film Electrodes
Turk J Chem 24 (2000), 95 99 c TÜBİTAK Specific Determination of Hydrogen Peroxide With A Catalase Biosensor Based on Mercury Thin Film Electrodes Nil ERTAŞ Ege University, Faculty of Science, Department
More informationIn the name of Allah
In the name of Allah Nano chemistry- 4 th stage Lecture No. 1 History of nanotechnology 16-10-2016 Assistance prof. Dr. Luma Majeed Ahmed lumamajeed2013@gmail.com, luma.ahmed@uokerbala.edu.iq Nano chemistry-4
More informationCurrent based methods
Current based methods Amperometric and voltammetric sensors More significant influence on analytical parameters (sensitivity, selectivity, interferences elimination) kind of method, potential range, electrode
More informationDr. Aoife Morrin. School of Chemical Sciences Dublin City University Ireland. The National Centre for Sensor Research
INVESTIGATION OF NANOSTRUCTURED MATERIALS FOR NOVEL BIOSENSOR FABRICATION METHODOLOGIES Dr. Aoife Morrin National Centre for Sensor Research School of Chemical Sciences Dublin City University Ireland Introduction
More informationnot to be confused with using the materials to template nanostructures
Zeolites as Templates: continued Synthesis: Most zeolite syntheses are performed by using template-synthesis not to be confused with using the materials to template nanostructures templates are often surfactants
More informationState of São Paulo. Brasil. Localization. Santo André
Brasil State of São Paulo Localization Santo André The Group www.crespilho.com Frank N. Crespilho Pablo R. S. Abdias Group Leader Synthesis of nanostructured materials using polyelectrolytes Andressa R.
More informationThe goal of this project is to enhance the power density and lowtemperature efficiency of solid oxide fuel cells (SOFC) manufactured by atomic layer
Stanford University Michael Shandalov1, Shriram Ramanathan2, Changhyun Ko2 and Paul McIntyre1 1Department of Materials Science and Engineering, Stanford University 2Division of Engineering and Applied
More informationCiência (Bio)nanosystems based on quantum dots, plasmonic or magnetic nanoparticles
Ciência 216 (Bio)nanosystems based on quantum dots, plasmonic or magnetic nanoparticles Paulo J. G. Coutinho Departamento/Centro de Física Escola de Ciências Universidade do Minho 4 Julho 216 OVERVIEW
More informationHarris: Quantitative Chemical Analysis, Eight Edition CHAPTER 25: CHROMATOGRAPHIC METHODS AND CAPILLARY ELECTROPHORESIS
Harris: Quantitative Chemical Analysis, Eight Edition CHAPTER 25: CHROMATOGRAPHIC METHODS AND CAPILLARY ELECTROPHORESIS CHAPTER 25: Opener Aa CHAPTER 25: Opener Ab CHAPTER 25: Opener B 25-1 Ion-Exchange
More informationSupporting Information
Copyright WILEY VCH Verlag GmbH & Co. KGaA, 69469 Weinheim, Germany, 2011 Supporting Information for Adv. Mater., DOI: 10.1002/adma.201102200 Nitrogen-Doped Carbon Nanotube Composite Fiber with a Core
More informationVoltammetric characterization of grafted polymer electrode self modification with carbon nanotubes (GPESMCNT)
Portugaliae Electrochimica Acta 2016, 34(2), 97-103 DOI: 10.4152/pea.201602097 PORTUGALIAE ELECTROCHIMICA ACTA ISSN 1647-1571 Voltammetric characterization of grafted polymer electrode self modification
More informationConstruction of the functionalized graphene- alcohol oxidase modified graphite electrode Characterization
Biosensing approach for ethanol determination using alcohol oxidase and functionalized graphene modified graphite electrode by layer-by-layer technique i^m^-^siftv^t-'f^err^iivc-' Construction of the functionalized
More informationSchool of Chemical and Biological Engineering, College of Engineering, Seoul National University, 599 Gwanangno, Gwanakgu, Seoul , Korea ACS
School of Chemical and Biological Engineering, College of Engineering, Seoul National University, 599 Gwanangno, Gwanakgu, Seoul 151-742, Korea ACS Appl. Mater. Interfaces 2015, 7, 1746 1751 (DOI: 10.1021/am507314t)
More informationNANOMEDICINE. WILEY A John Wiley and Sons, Ltd., Publication DESIGN AND APPLICATIONS OF MAGNETIC NANOMATERIALS, NANOSENSORS AND NANOSYSTEMS
NANOMEDICINE DESIGN AND APPLICATIONS OF MAGNETIC NANOMATERIALS, NANOSENSORS AND NANOSYSTEMS Vijay K. Varadan Linfeng Chen Jining Xie WILEY A John Wiley and Sons, Ltd., Publication Preface About the Authors
More informationElectronic Supplementary Information for:
Electronic Supplementary Material (ESI) for Energy & Environmental Science. This journal is The Royal Society of Chemistry 216 Electronic Supplementary Information for: Nitrogenase bioelectrocatalysis:
More informationAreference half-cell, or electrode, serves two main functions
pubs.acs.org/ac Carbon-Nanofiber-Based Nanocomposite Membrane as a Highly Stable Solid-State Junction for Reference Electrodes Glen D. O Neil, Raluca Buiculescu, Samuel P. Kounaves, and Nikos A. Chaniotakis*,,
More informationChapter 2 The Chemistry of Biology. Dr. Ramos BIO 370
Chapter 2 The Chemistry of Biology Dr. Ramos BIO 370 2 Atoms, Bonds, and Molecules Matter - all materials that occupy space and have mass Matter is composed of atoms. Atom simplest form of matter not divisible
More informationSupplementary information. A proposal for a novel impact factor as an alternative to the JCR impact factor
Supplementary information A proposal for a novel impact factor as an alternative to the JCR impact factor Zu-Guo Yang a and Chun-Ting Zhang b, * a Library, Tianjin University, Tianjin 300072, China b Department
More informationFunctionalization of reduced graphene oxides by redox-active ionic liquids for energy storage
Supplementary Material (ESI) for Chemical Communications Functionalization of reduced graphene oxides by redox-active ionic liquids for energy storage Sung Dae Cho, a Jin Kyu Im, b Han-Ki Kim, c Hoon Sik
More informationElectrochemically Synthesized Multi-block
Electrochemically Synthesized Multi-block Nanorods Sungho Park SungKyunKwan University, Department of Chemistry & SKKU Advanced Institute of Nanotechnology (SAINT) J. Am. Chem. Soc. 2003, 125, 2282-2290
More informationDirect electron transfer reactions of glucose oxidase and D-amino acid oxidase at a glassy carbon electrode in organic media
Direct electron transfer reactions of glucose oxidase and D-amino acid oxidase at a glassy carbon electrode in organic media By: Wei Jianjun, Qin Yiqin, Liu Haiying, Deng Jiaqi J. Wei, Y. Q. Qin, H. Y.
More informationNanomaterials and Chemistry Key Laboratory, Wenzhou University, Wenzhou, (P. R. China).
Electronic Supplementary Material (ESI) for Nanoscale Synergistically enhanced activity of graphene quantum dot/multi-walled carbon nanotube composites as metal-free catalysts for oxygen reduction reaction
More informationNanotechnology? Source: National Science Foundation (NSF), USA
2 2 Nanotechnology? Ability to work at the atomic, molecular and even sub-molecular levels in order to create and use material structures, devices and systems with new properties and functions Source:
More informationNanoporous Gold From an Ancient Technology to a
Nanoporous Gold From an Ancient Technology to a High-Tech Material Edited by Arne Wittstock Nanoscale Synthesis and Characterization Laboratory, Livermore, CA, USA; Institute of Applied and Physical Chemistry,
More informationSupplementary Figure 1 Morphology and composition of the original carbon nanotube (CNT) sample. (a, b) TEM images of CNT; (c) EDS of CNT.
1 Supplementary Figure 1 Morphology and composition of the original carbon nanotube (CNT sample. (a, b TEM images of CNT; (c EDS of CNT. Cobalt is not detected in the original CNT sample (Note: The accidentally
More informationSupporting Information Reagents. Physical methods. Synthesis of ligands and nickel complexes.
Supporting Information for Catalytic Water Oxidation by A Bio-inspired Nickel Complex with Redox Active Ligand Dong Wang* and Charlie O. Bruner Department of Chemistry and Biochemistry and Center for Biomolecular
More informationLecture 4. Conductance sensors. ChemFET. Electrochemical Impedance Spectroscopy. py Practical consideration for electrochemical biosensors.
Lecture 4 Conductance sensors. ChemFET. Electrochemical Impedance Spectroscopy. py Practical consideration for electrochemical biosensors. Conductivity I V = I R=, L - conductance L= κa/, l Λ= κ /[ C]
More informationQ. Shen 1,2) and T. Toyoda 1,2)
Photosensitization of nanostructured TiO 2 electrodes with CdSe quntum dots: effects of microstructure in substrates Q. Shen 1,2) and T. Toyoda 1,2) Department of Applied Physics and Chemistry 1), and
More informationNanobiotechnology. Place: IOP 1 st Meeting Room Time: 9:30-12:00. Reference: Review Papers. Grade: 40% midterm, 60% final report (oral + written)
Nanobiotechnology Place: IOP 1 st Meeting Room Time: 9:30-12:00 Reference: Review Papers Grade: 40% midterm, 60% final report (oral + written) Midterm: 5/18 Oral Presentation 1. 20 minutes each person
More informationPERFORMANCE OF NANO STRUCTURED DYE-SENSITIZED SOLAR CELL UTILIZING NATURAL SENSITIZER OPERATED WITH PLATINUM AND CARBON COATED COUNTER ELECTRODES
Digest Journal of Nanomaterials and Biostructures Vol. 4, No. 4, December 2009, p. 723-727 PERFORMANCE OF NANO STRUCTURED DYE-SENSITIZED SOLAR CELL UTILIZING NATURAL SENSITIZER OPERATED WITH PLATINUM AND
More informationSupplementary Figure 1 a) Scheme of microfluidic device fabrication by photo and soft lithography,
a b 1 mm Supplementary Figure 1 a) Scheme of microfluidic device fabrication by photo and soft lithography, (a1, a2) 50nm Pd evaporated on Si wafer with 100 nm Si 2 insulating layer and 5nm Cr as an adhesion
More informationNi-Co bimetal nanowires filled multiwalled carbon nanotubes for the highly. sensitive and selective non-enzymatic glucose sensor applications
Ni-Co bimetal nanowires filled multiwalled carbon nanotubes for the highly sensitive and selective non-enzymatic glucose sensor applications K. Ramachandran, T. Raj kumar, K. Justice Babu & G. Gnana kumar
More informationNanostrukturphysik (Nanostructure Physics)
Nanostrukturphysik (Nanostructure Physics) Prof. Yong Lei & Dr. Yang Xu Fachgebiet 3D-Nanostrukturierung, Institut für Physik Contact: yong.lei@tu-ilmenau.de; yang.xu@tu-ilmenau.de Office: Unterpoerlitzer
More informationChapter 14: Electrodes and Potentiometry
Yonsei University Chapter 14: Electrodes and Potentiometry The use of electrodes to measure voltages that provide chemical information is called potentiometry (ion-selective electrode, ion-sensing field
More informationElectrocatalytic Currents from Single Enzyme Molecules
Supporting Information Electrocatalytic Currents from Single Enzyme Molecules Alina N. Sekretaryova, * Mikhail Yu. Vagin,, Anthony P.F. Turner, and Mats Eriksson Department of Physics, Chemistry and Biology,
More informationHEAVY METALS AND LACTATE MONITORING SYSTEM
II WORKSHOP ON CHEMICAL SENSORS AND BIOSENSORS HEAVY METALS AND LACTATE MONITORING SYSTEM Manuela Adami 1, Giorgio Martinazzo 1, Simona Villari 1, Mario Panza 1, Marco Sartore 1, Claudio Nicolini 2 1 Parco
More informationDominating Role of Aligned MoS 2 /Ni 3 S 2. Nanoarrays Supported on 3D Ni Foam with. Hydrophilic Interface for Highly Enhanced
Supporting Information Dominating Role of Aligned MoS 2 /Ni 3 S 2 Nanoarrays Supported on 3D Ni Foam with Hydrophilic Interface for Highly Enhanced Hydrogen Evolution Reaction Jiamu Cao a, Jing Zhou a,
More informationSupplementary Figures
Supplementary Figures Supplementary Figure 1. AFM profiles of the charge transport and perovskite layers. AFM Image showing the thickness (y axis) of the layer with respect to the horizontal position of
More informationSupporting Information
Gold Nanoparticle-Modified ITO Electrode for Electrogenerated Chemiluminescence: Well-Preserved Transparency and Highly-Enhanced Activity Zuofeng Chen and Yanbing Zu * Department of Chemistry, The University
More informationMercury(II) detection by SERS based on a single gold microshell
Mercury(II) detection by SERS based on a single gold microshell D. Han, S. Y. Lim, B. J. Kim, L. Piao and T. D. Chung* Department of Chemistry, Seoul National University, Seoul, Korea. 2010, 46, 5587-558
More informationCellular Respiration. The mechanism of creating cellular energy. Thursday, 11 October, 12
Cellular Respiration The mechanism of creating cellular energy What do we know?? What do we know?? Grade 5 - Food --> Energy What do we know?? Grade 5 - Food --> Energy Grade 10 - glu. + O2 --> CO2 + H20
More informationNano Materials and Devices
Nano Materials and Devices Professor Michael Austin Platform Technologies Research Institute Nano Materials and Devices Program Aim: to develop an integrated capability in nanotechnology Design and modelling
More informationZnS nanoparticles decorated graphene nanoplatelets as immobilisation matrix for glucose biosensor
NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2016, 7 (4), P. 637 642 ZnS nanoparticles decorated graphene nanoplatelets as immobilisation matrix for glucose biosensor G. Suganthi 1, T. Arockiadoss 2,
More informationHigh-resolution on-chip supercapacitors with ultra-high scan rate ability
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A. This journal is The Royal Society of Chemistry 214 Supporting Information High-resolution on-chip supercapacitors with ultra-high
More informationElectronic Supplementary Information (ESI) Three dimensional dendrite Cu-Co/rGO architectures on disposable
Electronic Supplementary Information (ESI) Three dimensional dendrite Cu-Co/rGO architectures on disposable pencil graphite electrode as an electrochemical sensor for non-enzymatic glucose detection K.
More informationNanomaterial based Environmental Sensing. Sung Ik Yang Kyung Hee University
Nanomaterial based Environmental Sensing Sung Ik Yang Kyung Hee University What is Nanotechnology? - understanding and control of matter at dimensions less than 100 nanometers- unique phenomena enable
More informationPart (I): Solvent Mediated Aggregation of Carbonaceous Nanoparticles (NPs) Udayana Ranatunga
Part (I): Solvent Mediated Aggregation of Carbonaceous Nanoparticles (NPs) Udayana Ranatunga Part(II): Dispersibility, Aggregation, and Cytotoxicity of multi-walled carbon nanotubes (MWNTs) Dr. Ruhung
More informationCarbon nanotubes and conducting polymer composites
University of Wollongong Thesis Collections University of Wollongong Thesis Collection University of Wollongong Year 4 Carbon nanotubes and conducting polymer composites May Tahhan University of Wollongong
More informationReference electrode. Calomel electrode Hg in contact with Hg(I) chloride Ag/AgCl 15-2
Potentiometry Potential measurements of electrochemical cells Ion selective methods Reference electrode Indicator electrode Potential measuring device Reference electrode Indicator electrodes Ion specific
More informationElectrochemical determination of hydrogen peroxide using o-dianisidine as substrate and hemoglobin as catalyst
J. Chem. Sci., Vol. 117, o. 4, July 2005, pp. 317 322. Indian Academy of Sciences. Electrochemical determination of hydrogen peroxide using o-dianisidine as substrate and hemoglobin as catalyst WEI SU*,
More informationThree Dimensional Nano-assemblies of Noble Metal. Nanoparticles-Infinite Coordination Polymers as a Specific
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2014 Electronic Supplementary Information Three Dimensional Nano-assemblies of Noble Metal Nanoparticles-Infinite
More informationNanotechnology. Yung Liou P601 Institute of Physics Academia Sinica
Nanotechnology Yung Liou P601 yung@phys.sinica.edu.tw Institute of Physics Academia Sinica 1 1st week Definition of Nanotechnology The Interagency Subcommittee on Nanoscale Science, Engineering and Technology
More informationN-doped Carbon-Coated Cobalt Nanorod Arrays Supported on a Titanium. Mesh as Highly Active Electrocatalysts for Hydrogen Evolution Reaction
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry A. This journal is The Royal Society of Chemistry 2014 Electronic Supplementary Information N-doped Carbon-Coated Cobalt Nanorod
More informationXANTHINE OXIDASE MODIFIED GLASSY CARBON PASTE ELECTRODES
XANTHINE OXIDASE MODIFIED GLASSY CARBON PASTE ELECTRODES Ülkü Anık Kırgöz 1, Suna Timur 1, Joseph Wang 2, Azmi Telefoncu 1 Ege University/TURKIYE New Mexico State University, USA Carbon is an ideal electrode
More informationION SELECTIVE ELECTRODES FOR SOLUBLE SALT MEASUREMENTS ON ICY WORLDS
ION SELECTIVE ELECTRODES FOR SOLUBLE SALT MEASUREMENTS ON ICY WORLDS A. C. Noell, E. A. Oberlin, A. M. Fisher, R. C. Quinn, A. J. Ricco, R. E. Gold and S. P. Kounaves Jet Propulsion Laboratory, California
More information1.1. Introduction to Nanoscience and Nanotechnology
1.1. Introduction to Nanoscience and Nanotechnology 1.1.1. A Brief Historical Overview Before trying to understand and discuss about synthesis, characterization and application of nanomaterials, it is
More informationSolar desalination coupled with water remediation and molecular hydrogen production: A novel solar water-energy nexus
Electronic Supplementary Material (ESI) for Energy & Environmental Science. This journal is The Royal Society of Chemistry 17 Supporting Information Solar desalination coupled with water remediation and
More informationInterdigitated Electrodes (IDEs)
Interdigitated NanoElectrodes for sensing: fabrication and characterization Irene Fernandez-Cuesta, Jesús García, Jahir Orozco, César Fernández-Sánchez, Antoni Baldi, Xavier Borrisé and Francesc Pérez-Murano
More informationApplications of Quantum Dots to Biosensing
Applications of Quantum Dots to Biosensing CHEM 681 Student Seminar Series March 17 th, 2003 Heechang Ye Advisor : Dr. Richard M. Crooks Introduction Quantum dots (QDs) are semiconductor particles that
More information3D Boron doped Carbon Nanorods/Carbon-Microfiber Hybrid Composites: Synthesis and Applications as Highly Stable Proton Exchange Membrane Fuel Cell
Electronic Supplementary Information for Journal of Materials Chemistry 3D Boron doped Carbon Nanorods/Carbon-Microfiber Hybrid Composites: Synthesis and Applications as Highly Stable Proton Exchange Membrane
More informationMetal-Organic Frameworks Based on Rigid Ligands as Separator. Supporting Information
Electronic Supplementary Material (ESI) for Dalton Transactions. This journal is The Royal Society of Chemistry 2015 Metal-Organic Frameworks Based on Rigid Ligands as Separator Membranes in Supercapacitor
More informationElectrically pulsatile responsive drug delivery platform for treatment of Alzheimer s disease
Electronic Supplementary Material Electrically pulsatile responsive drug delivery platform for treatment of Alzheimer s disease Li Wu 1,2, Jiasi Wang 1,2, Nan Gao 1, Jinsong Ren 1, Andong Zhao 1,2, and
More informationSupplementary Figure 1 XPS, Raman and TGA characterizations on GO and freeze-dried HGF and GF. (a) XPS survey spectra and (b) C1s spectra.
Supplementary Figure 1 XPS, Raman and TGA characterizations on GO and freeze-dried HGF and GF. (a) XPS survey spectra and (b) C1s spectra. (c) Raman spectra. (d) TGA curves. All results confirm efficient
More informationTitle: Observation of Single Protein and DNA Macromolecule Collisions on Ultramicroelectrodes
Title: Observation of Single Protein and DNA Macromolecule Collisions on Ultramicroelectrodes Authors: Jeffrey E. Dick, Christophe Renault, and Allen J. Bard Affiliations: Center for Electrochemistry,
More informationSupporting Information
Electronic Supplementary Material (ESI) for Journal of Materials Chemistry B. This journal is The Royal Society of Chemistry 2018 Supporting Information Highly Photoluminescent Carbon Dots Derived from
More informationHigh-Performance Flexible Asymmetric Supercapacitors Based on 3D. Electrodes
Supporting Information for: High-Performance Flexible Asymmetric Supercapacitors Based on 3D Porous Graphene/MnO 2 Nanorod and Graphene/Ag Hybrid Thin-Film Electrodes Yuanlong Shao, a Hongzhi Wang,* a
More informationElectrocatalysis by Subcellular Liver Fractions Bound to Carbon Nanostructures for Stereoselective Green Drug Metabolite Synthesis
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2015 Supporting Information Electrocatalysis by Subcellular Liver Fractions Bound to Carbon Nanostructures
More informationREADING A. INTRODUCTION CHE425L POTENTIOMETRY WITH K + ION-SELECTIVE ELECTRODE. Skoog, Holler and Crouch: Chapter 23 and Appendix 3.
CHE425L POTENTIOMETRY WITH K + ION-SELECTIVE ELECTRODE READING Skoog, Holler and Crouch: Chapter 23 and Appendix 3. A. INTRODUCTION Potentiometry is a static electroanalytical method in which the potential
More information, ( :0646 : A. . Wang [5 ] Penven [8 ] [ Pd (N H 3 ) 2 Cl 2 + N H 4 Cl ] p H. p H Penven. Vol. 6 No. 2 May EL ECTROCHEMISTR Y
6 2 2000 5 EL ECTROCHEMISTR Y Vol 6 No 2 May 2000 : 1006-3471 (2000) 02-0157-06, (, 361005) 3 : Pd(NH 3 ) 2 Cl 2, ( GOD) UV/ V Pd 2 +, p H Pd, GOD : -,,, :0646 : A, [1 ( ) ] [2 ] [3 ] [4 ] [5 7 ],,,, Wang
More informationSpiro-Configured Bifluorenes: Highly Efficient Emitter for UV Organic Light-Emitting Device and Host Material for Red Electrophosphorescence
Spiro-Configured Bifluorenes: Highly Efficient Emitter for UV Organic Light-Emitting Device and Host Material for Red Electrophosphorescence Ken-Tsung Wong,* a Yuan-Li Liao, a Yu-Ting Lin, b Hai-Ching
More informationBlock Copolymer Based Hybrid Nanostructured Materials As Key Elements In Green Nanotechnology
The 7 th Korea-U.S. Nano Forum Block Copolymer Based Hybrid Nanostructured Materials As Key Elements In Green Nanotechnology Dong Ha Kim Department of Chemistry and Nano Science, Ewha Womans University
More informationStable Encapsulation of Quantum Dot Barcodes with Silica Shells
Stable Encapsulation of Quantum Dot Barcodes with Silica Shells Shang-Hsiu Hu and Xiaohu Gao Department of Bioengineering, University of Washington Seattle, WA 98195 (USA) Adv. Funct. Mater. 2010. ASAP
More informationNovel Supercapacitor Materials Including OLED emitters
Electronic Supplementary Material (ESI) for New Journal of Chemistry. This journal is The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2015 Supporting Information Novel
More information29: Nanotechnology. What is Nanotechnology? Properties Control and Understanding. Nanomaterials
29: Nanotechnology What is Nanotechnology? Properties Control and Understanding Nanomaterials Making nanomaterials Seeing at the nanoscale Quantum Dots Carbon Nanotubes Biology at the Nanoscale Some Applications
More informationNovel electrode PtCr/PAA (polyamic acid) for efficient ethanol oxidation reaction
Novel electrode PtCr/PAA (polyamic acid) for efficient ethanol oxidation reaction Jing Zhang Supervisor : mowunmi Sadik Material Science and Engineering & Chemistry Department 11/08/2015 utline Introduction
More informationNanoLab, Inc 55 Chapel Street, Newton, MA USA
TM 1221221 122211 NANOLAB NanoLab, Inc 55 Chapel Street, Newton, MA 02458 USA http://www.nano-lab.com info@nano-lab.com sales@nano-lab.com Phone (617) 581 6747 Fax (617) 581 6749 NanoLab, Inc. products
More informationVoltammetry Detection of Ascorbic Acid at Glassy Carbon Electrode Modified by Single-Walled Carbon Nanotube/Zinc Oxide
Int. J. Electrochem. Sci., 8 (2013) 10557-10567 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org Voltammetry Detection of Ascorbic Acid at Glassy Carbon Electrode Modified by Single-Walled
More informationPreparation of Prussian blue-modified screen-printed electrodes via a chemical deposition for mass production of stable hydrogen peroxide sensors
Procedure 7 Preparation of Prussian blue-modified screen-printed electrodes via a chemical deposition for mass production of stable hydrogen peroxide sensors Francesco Ricci, Danila Moscone and Giuseppe
More informationHighly efficient hydrogen evolution of platinum via tuning the interfacial dissolved-gas concentration
Electronic Supplementary Material (ESI) for Chemical Communications. This journal is The Royal Society of Chemistry 2018 Supporting Information for Highly efficient hydrogen evolution of platinum via tuning
More informationElectronic Supplementary Information
Electronic Supplementary Information Uniform and Rich Wrinkled Electrophoretic Deposited Graphene Film: A Robust Electrochemical Platform for TNT Sensing Longhua Tang, Hongbin Feng, Jinsheng Cheng and
More informationElectrochemical studies of glucose oxidase immobilized on glutathione coated gold nanoparticles
Indian Journal of Biochemistry & Biophysics Vol. 44, April 2007, pp. 82-87 Electrochemical studies of glucose oxidase immobilized on glutathione coated gold nanoparticles Sridevi Akella 1 and Chanchal
More informationCarbon Nanotubes in Interconnect Applications
Carbon Nanotubes in Interconnect Applications Page 1 What are Carbon Nanotubes? What are they good for? Why are we interested in them? - Interconnects of the future? Comparison of electrical properties
More informationLa SECM pour structurer et analyser des matériaux de water splitting
Séminaire: À quoi sert la Scanning ElectroChemical Microscopy La SECM pour structurer et analyser des matériaux de water splitting Dodzi Zigah dodzi.zigah@u bordeaux.fr Team: Analytical Nanosystem (NSYSA)
More informationLecture 3. Electrochemical Sensing.
Lecture 3 Potential-Controlled Techniques in Electrochemical Sensing. Enzymatic Electrodes. Cyclic voltammetry The most widely used technique for acquiring quantitative information about e/chemical reaction
More informationA Highly Miniaturized Dissolved Oxygen Sensor Using a Nanoporous Platinum Electrode Electroplated on Silicon
Journal of the Korean Physical Society, Vol. 58, No. 5, May 2011, pp. 1505 1510 A Highly Miniaturized Dissolved Oxygen Sensor Using a Nanoporous Platinum Electrode Electroplated on Silicon Yi Jae Lee and
More informationPoint-of-service, quantitative analysis of ascorbic acid in aqueous humor for. evaluating anterior globe integrity
Point-of-service, quantitative analysis of ascorbic acid in aqueous humor for evaluating anterior globe integrity Manas Ranjan Gartia, a,d,e, Santosh K. Misra, a,d, Mao Ye, a,d Aaron Schwartz-Duval, a,d
More informationElectrocatalytic Oxidation of Saccharides at MoO x /AuNPs Modified Electrode Towards Analytical Application
CHINESE JOURNAL OF CHEMICAL PHYSICS VOLUME 27, NUMBER 5 OCTOBER 27, 2014 ARTICLE Electrocatalytic Oxidation of Saccharides at MoO x /AuNPs Modified Electrode Towards Analytical Application Shou-guo Wu,
More information3/24/11. Introduction! Electrogenic cell
March 2011 Introduction Electrogenic cell Electrode/electrolyte interface Electrical double layer Half-cell potential Polarization Electrode equivalent circuits Biopotential electrodes Body surface electrodes
More informationMaterials and Structural Design for Advanced Energy Storage Devices
Materials and Structural Design for Advanced Energy Storage Devices Imran Shakir Sustainable Energy Technologies Center (SET) King Saud University Saudi Arabia Specific Power (W/kg) Introduction and Motivation
More informationSupporting information
Electronic Supplementary Material (ESI) for ChemComm. This journal is The Royal Society of Chemistry 2014 Supporting information Synthesis, Characterization and Photoelectrochemical properties of HAP Gang
More informationCHEMISTRY 12 JUNE 2000 STUDENT INSTRUCTIONS
Insert Personal Education Number (PEN) here. Insert only pre-printed PEN label here. STUDENT INSTRUCTIONS 1. Insert the stickers with your Personal Education Number (PEN) in the allotted spaces above.
More informationCyclic Voltametric Studies on the Interaction of Adrenaline With Formic Acid and Acetic Acid
Int. J. Electrochem. Sci., 6 (2011) 6662-6669 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org Cyclic Voltametric Studies on the Interaction of Adrenaline With Formic Acid and Acetic
More informationTemplated electrochemical fabrication of hollow. molybdenum sulfide micro and nanostructures. with catalytic properties for hydrogen production
Supporting Information Templated electrochemical fabrication of hollow molybdenum sulfide micro and nanostructures with catalytic properties for hydrogen production Adriano Ambrosi, Martin Pumera* Division
More informationCo 3 O 4 Nanocrystals on Single-Walled Carbon Nanotubes as a Highly Efficient Oxygen-Evolving Catalyst
Nano Res 95 Electronic Supplementary Material Co 3 O 4 Nanocrystals on Single-Walled Carbon Nanotubes as a Highly Efficient Oxygen-Evolving Catalyst Jian Wu 1, Yan Xue 1, Xin Yan 1, Wensheng Yan 2, Qingmei
More informationDetection of Mercury(II) and Lead(II) with Graphene Oxide- Based Biosensors
Detection of Mercury(II) and Lead(II) with Graphene Oxide- Based Biosensors Ming Li, Nianqiang (Nick) Wu* Mechanical & Aerospace Engineering West Virginia University Morgantown, WV 26506 Presentation Outline
More informationAmperometric biosensors
Electrochemical biosensors II: Amperometric biosensors Lecture 2 Amperometric Sensors: Problem formulation amperometric techniques have some selectivity as every RedOx reaction has it s own characteristic
More informationBiology 30 The Chemistry of Living Things
Biology 30 The Chemistry of Living Things Hierarchy of organization: Chemistry: MATTER: Periodic Table: ELEMENT: Ex. oxygen, gold, copper, carbon COMPOUND: Ex. salt (NaCl), H 2 O ELEMENTS ESSENTIAL TO
More informationThe Study on 1,10-Phenanthroline-copper Complex By CV-Thin Layer Spectroelectrochemistry
Int. J. Electrochem. Sci., 10 (2015) 4138-4145 International Journal of ELECTROCHEMICAL SCIENCE www.electrochemsci.org The Study on 1,10-Phenanthroline-copper Complex By CV-Thin Layer Spectroelectrochemistry
More information