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International Proceedings:
1.      Mohammad N. Sarbolouki, Hedayat O. Ghourchian, A Physico-Mathematical Model for Glucose Sensor, 200th American Chemical Society National Meeting, Washington DC, Aug 28, 1014-1017, 1990.
2.      Hedayat O. Ghourchian, Naoki Kamo, Application of Piezoelectric Quartz Crystal as a Mas Sensing Element in Solutions, International Trace Analysis Symposium, Hakodate and Sapporo, Japan, Aug, 277-280, 1994.
3.     A.A. Moosavi- Movahedi, H. Ghourchian, J. Chamani, P. Nourozi, M. Charanfoli, H. Tavakouli and H. Shafiei "Electron transferring and dipole strength of molten globule state of cytochrome C induced by sodium n-dodecyl sulfate as hydrophobic salt" 7th Symposium of Protein Science, Boston, USA, July 26-30, 2003.
4.      N. Pourang, J.H. Dennis, H. Ghoorchian, Trace element distribution in a shrimp species from Persian Gulf and possible role of methalothionein in their redistribution during refrigerated storage, HUPO 2nd Annual & IUBMB XIX World Congress, Oct. 8-11, Montreal, 2003, P. 993.
5.      Hedayatollah Ghourchian, Hassan Shafiey, Ali Akbar Moosavi-Movahedi, Voltammetric Studies of Intermediate State of Cytochrome C, 2nd International Conference on Chemistry and its Application, Dec. 6-9, 2003, Doha, Qatar.
6.      Hedayatollah Ghourchian, Navid Mogharrab, Improvement of electron transfer properties of horseradish peroxidase by chemical modification, The 17th FAOBMB Symposium / 2nd IUBMB Special Meething / 7nd A-IMBN Conference on Genomics and health in the 21st century, Bangkok,Thailand, Nov, 22-26, 2004, P.285.
7.      Hedayatollah Ghourchian, Kaveh Niknam, improvement of the glucose biosensor sensivity based on a two-step Prussian blue immobilization on graphite electrode, XVIII International Symposium on Bioelectrochemistry and Bioenergetics and 3rd spring meeting Bioelectrochemistry, Coimbra, portugal, 19-24 June, 2005, OP-31.
8.      N. Mogharrab, H. Ghourchian, A novel derivative of HRP with enhanced electron transfer properties, catalytic efficiency and stability for use as the recognition element of electrochemical biosensors, second  world congress on synthetic receptors, salzburg, Austria, 7-9 september 2005, P.p3.
9.      Saeed Rezaei, Hedayatollah Ghourchian, Ali Akbar Saboury, Parviz Nouroozi, Ali Akbar Moosavi Movahedi, Mohammad Reza Ganjali, Electrochemical studies on the entrapped hemoglobin by nafion and its application as a hydrogen peroxide biosensor, 18th FAOBMB Symposium Genomics and proteomics in Health and Agriculture, Lahore, Pakistan, November 20-23, 2005,P. 119.
10.    S. Hashemnia, H. Ghourchian, A.A. Moosavi Movahedi, Structural and Functional Studies of Bovine Liver Catalase upon Chemical Modification of Carboxyl Residues, Istanbul, Turkey, 24-29 June, The FEBS Journal, V. 237, Supplement1, June 2006, PP. 917.
11.   Molaei Rad. A., Ghourchian H., Moosavi-Movahedi A. A. Bioelectrochemical sensing of phenolic compounds in organic solutions using modified HRP, FEBS, Istanbul, Turkey, 24-29 June, The FEBS Journal, V. 237, Supplement1, June 2006, PP. 902.
12.   Sh. Sajjadi, H. Ghourchian, Cholin oxidase based biosensor for paraoxon determination, Istanbul, Turkey, 24-29 June, The FEBS Journal, V. 237, Supplement1, June 2006, PP. 807.
13.   S. Rezaei-Zarchi, A.A. Saboury H. Ghourchian, P. Norouzi, A.A. Moosavi- Movahedi, M.R. Ganjali, A. Javed, Electrochemical investigation on the ligand binding by hemoglobin, Istanbul, Turkey, 24-29 June, The FEBS Journal, V. 237, Supplement1, June 2006, PP. 1031.
14.   Mehriar Amininasab, Navid Mogharrab, Hedayatollah Ghourchian, Molecular dynamics simulation of horseradish peroxidase upon modification of three accessible lysine residues, Biophysical Society, 51st Annual meeting, March 3-7, 2007, Baltimore, Maryland, USA.
15.   Hong, J., Ghourchian, H., "Hydrogen peroxide biosensor based on a Nafion-cysteine-HRP modified gold electrode", Iran's 1st International Conference on Biomaterials, Biomaterilas Research Center (BRC), University of Tehran, IR. Iran, November 12-15, 2007, P. 38.
16.   Mogharrab, N., Ghourchian, H., "Chemically ebgineered horseradish peroxidase works better than the native enzyme", Iran's 1st International Conference on Biomaterials, Biomaterilas Research Center (BRC), University of Tehran, IR. Iran, November 12-15, 2007, P 43.
17.   Rezaei-Zarchi, S., Saboury, A.A., Norouzi, P., Ghourchian, H., Ganjali, M.R., Javed, A., Moosavi-Movahedi, A.A., "Characterization and immobilization studies of Riboflavin-Nafion film on the surface of gold electrode", Iran's 1st International Conference on Biomaterials, Biomaterilas Research Center (BRC), University of Tehran, IR. Iran, November 12-15, 2007, P. 45.
18.   Rezaei-Zarchi, S., Saboury, A.A., Hong, J., Norouzi, P., Ahmadian, S., Ghourchian, H., Bayandori-Moghaddam, A., Ganjali, M.R., Moosavi-Movahedi, A.A., Javed, A., "Design of an electro-active Riboflavin-Nafion film to be used in electrochemical investigations", Iran's 1st International Conference on Biomaterials, Biomaterilas Research Center (BRC), University of Tehran, IR. Iran, November 12-15, 2007, P 45
19.   Z. Gholami, H. Ghourchian, A cholin oxidase based biosensor using multiwalled carbon nanotubs modified gold electrode, The 9th Iranian Congress in Biochemistry, & the 2nd International Congress of Biochemistry and Molecular Biology, Shiraz, Oct. 29-Nov. 1, 2007, O 756.
20.   Z. Gholami, H. Ghourchian, Determination of kinetic parameter of choline electron transfer by physical absorption on multiwalled carbon nanotubs, The 9th Iranian Congress in Biochemistry, & the 2nd International Congress of Biochemistry and Molecular Biology, Shiraz, Oct. 29-Nov. 1, 2007, P 575.
21.   Z. Gholami, S. Maghsoodi, H. Ghourchian, A Khodadadi, Y. Mortazavi,  Electron transfer kinetics of glucose oxidase using carbon nanotubs grown on an alumina substrate as a sensor, The 9th Iranian Congress in Biochemistry, & the 2nd International Congress of Biochemistry and Molecular Biology, Shiraz, Oct. 29-Nov. 1, 2007, P 759.
22.   S Sajjadi, H. Ghourchian, Development of biosensor based on inhibitory effect of paraoxon on choline oxidase activity, The 9th Iranian Congress in Biochemistry, & the 2nd International Congress of Biochemistry and Molecular Biology, Shiraz, Oct. 29-Nov. 1, 2007, P 575, P 870.
23.   Hassan Shafiey, Hedayatollah Ghourchian, ELECTROCHEMICAL BEHAVIOUR OF CYT C ELECTRODES IN DMF-CONTAINING SOLUTIONS, Tenth world Congress on Biosensors, May 14-16, 2008, P2-060, Shanghai, Chaina
24.   H.A. Rafiee-Pour, L. Meskoub Haghighi, M. Riazati-Keshehb and H. Ghourchian, The direct electron transfer of glucose oxidase based on magnetic carbon nanotubes, The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P4, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
25.   H.A. Rafiee-Pour, H. Shafiey and H. Ghourchian, Cysteine role on electron transferring in Cu, Zn-superoxide dismutase, The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P5, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
26.   Y. Sefidbakht, H.A. Rafiee-pour, F. Farivar, K. Nazari, H. Ghourchian, A.A. Moosavi-Movahedi, The MP-11/NH2-FSM16 nanozyme as an artificial peroxidase; kinetic and voltametric studies, First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P6, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
27.   A. Hekmat, A.A. Saboury and H. Ghourchian, The effects of hydrogen ions on the activity and structure of choline oxidase, First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P7, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
28.   S. Sajjadi and H. Ghourchian, The A new organophosphorus biosensor based on choline oxidase inhibition, First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P11, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
29.   H. Tavakoli, b, H. Ghourchianc and M. Shourian, Ionizing radiation detection and dosimetery by using electrochemical biosensor (a new idea), The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P12, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
30.   H. Tavakoli, H. Ghourchian, Mono-enzyme biosensor for detection of organophosphorous compounds, The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P13, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
31.   M. Shourian, N. Mogharrab, H. Ghourchian, H. Tavakoli, M. Ebrahimi, Amperometric biosensors for sensing of hydrogen peroxide based on electron transfer between horseradish peroxidase and anthraquinone as mediator, The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P14, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
32.   Z. Gholami, H. Ghourchian, Determination of choline at a multi walled carbon nanotube choline oxidase electrochemical biosensor, , The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, P16, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
33.   N. Mogharrab, H. Ghourchian, M. Amininasab, Structural and functional consequences of attaching an electron relay to horseradish peroxidase, The First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, O5, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
34.   S. Hashemnia, H. Ghourchian & A.A. Moosavi-Movahedi, The investigation of direct electron transfer between an electrode surface and catalase through acidic residues modification, First Regional Symposium on Bioelectrochemistry, Oct 13-15, 2008, O6, Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
35.   Sharareh Sajjadi, Hossain-Ali Rafiee-Pour, Parvaneh Rahimi, Hedayatollah Ghourchian, Amir-Homayoon Keyhan, Electrochemistry and Electrocatalysis of Choline Oxidase Based on Ionic-liquid/NH2-MWCNTs Nano-composite, 61th annual meeting of International Society of Electrochemistry, Sept 26th to Oct. 1st, 2010, s03-p036, Nice, France.
36.   Hedayatollah Ghourchian, Parvaneh Rahimi, Sharareh Sajjadi, Carbon Nanotubes Ionic Liquid Nanocomposites as Biocompatible Matrixes for Enzyme Based Electrochemical Biosensors, 61th annual meeting of International Society of Electrochemistry, Sept 26th to Oct. 1st, 2010, s11-p030, Nice, France.
37.   Hedayatollah Ghourchian, Parvaneh Rahimi and Hossain-Ali Rafiee-Pour, Magnetic amine-functionalized carbon nanotube as a suitable supporting material for glucose oxidase direct electrochemistry, EMNT 2010, P-89, Sept 21-24, Cannes Mandelieu, France.
38.   Sharareh Sajjadi, Hedayatollah Ghourchian, Amir-Homayoon Keyhan, Electron-transfer properties of different carbon nanotube materials for application in choline biosensor,  EMNT 2010, Sept O-81, 21-24, Cannes Mandelieu, France.
39.   Faridnouri H., Ghourchian H., Drastic Change in Electron Transfer Rate of Chemically Modified Laccase with WRK Using Carbon Nanotube/Ionic Liquid Composite,  EMNT 2010,P-85, Sept 21-24, Cannes Mandelieu, France.
40.   F. Hamidi Malayeri, M.R. Sohrabi and H. Ghourchian, A NANOCOMPOSITE CONSIST OF MAGNETIC MULTI WALLED CARBON NANOTUBE FOR REMOVAL OF TOLUIDINE BLUE O FROM AQUEOUS SOLUTION, International Congress on Nanoscience and Nanotechnology, 9-11 Nov 2010, P. 146, Shiraz University.
41.   Parvaneh Rahimi, Hossain-Ali Rafiee-Pour, Hedayatollah Ghourchian,  Parviz Norouzi, Mohammad Reza Ganjali; Direct electrochemistry of Cyt C immobilized in IL/MWCNTsand its applications for supperoxid sensing,  International Congress on Nanoscience and Nanotechnology, 9-11 Nov 2010, P. 90, Shiraz University.
42.   M.S. Jalayer and H. Ghourchian, Higly sensitive potentiometric biosensor with oroiented immobilization of T3 antibody on nano-magnetic particles, International Congress on Nanoscience and Nanotechnology, 9-11 Nov 2010, P. 495, Shiraz University.
43.   A. Banaei, M Shourian, H. Ghourchian, Detection of hemoglubin using MWCN/antraquinon modified glassy carbon electrode, International Congress on Nanoscience and Nanotechnology, 9-11 Nov 2010, P. 490, Shiraz University.
44.   S. Sajjadi and H. Ghourchian, Direct electrochemistry of choline oxidase on SWCNTs ant its biosensing application, International Congress on Nanoscience and Nanotechnology, 9-11 Nov 2010, P. 89, Shiraz University.
45.   Elias Alipour, Hedayatollah Ghourchianand Seyed Mehdi Boutorabi, Gold Nano-particle Based Capacitive Immunosensor for Detection of Hepatitis B Surface Antigen, Iran-Belarus International Conference on Modern Applications of Nanotechnology–IBCN12, 27-29 Jun. 2012, Minsk, Belarus.
46.   S. Nourani, H. Ghourchian, Magnetic Nano-Particles for Enhancing Immuno-Sensor Sensitivity, Iran-Belarus, International Conference on Modern Applications of Nanotechnology–IBCN12, 27-29 Jun. 2012, Minsk, Belarus.
47.   Kadijeh Eskandari, Hedayatollah Ghourchian, Gold-Silver Hybrid Nanoparticles as a Novel Carrier for Protein    Immobilization, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
48.   A. Banaie, H. Ghourchian , K.Eskandari ,R. Amjadi, Electrochemical Investigation of Hemoglobin via Gold-Coated Magnetic Nanoparticles, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
49.   Hedayatollah Ghourchian, Parvaneh Rahimi, Hydrophilicity of ionic liquids plays important role on choline oxidase electron transferring, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
50.   Farideh Gouranlou, Hedayatollah Ghourchian, Ahmad Dehdast, Novel hydrogen peroxide biosensor using functionalized-carbon nanotubes and clay, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
51.   Soheila Sabouri, Hedayatollah Ghourchian, Chemical modification of antibody using gold nanoparticles bearing luminal, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
52.   Masumeh Goodarzi, Mehran Habibi Rezaei, Ali akbar Sabouri, Hedayatollah  Ghourchian, Mostafa Shourian, Ali Akbar Moosavi Movahhedi, Study of ROS production manner during hemoglubin function, The first international and 11th Iranian Biophysical Chemistry Confrence, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
53.    Fariba Dashtestani, Hedayatollah Ghourchian, Hoseinali Rafipour, Khadijeh Eskandari, Artificial supperoxidec dismutase activity of cupper cystein to Electrochemical detection of suppero xude, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
54.   Leila Mahrokh, Hedayatollah Ghourchian, Electrochemical Features of Functionalized Woven Carbon Fiber and Shewanella Sp. Bacteria in a Microbial Fuel Cell, Proceedings of the 2nd International Conference on Environmental Pollution and Remediation, Montreal, Quebec, Canada, 28-30 August 2012, Paper No. 267
55.   H. Ghourchian, P. Rahimi, S. Sajjadi, Comparison of Nanocomposites with Different Hydrophilicity for Electrochemical Biosensor Development, International Congress on Nanoscience & Nanotechnology (ICNN2012) 8 - 10 September 2012, Kashan, I. R. Iran
56.   F. Hamidi Malayeri, H. Ghourchian, Removal of Cationic Organic Dye from Polluted Water by Means of Magnetic Carbon Nanotubes, International Congress on Nanoscience & Nanotechnology (ICNN2012) 8 - 10 September 2012, Kashan, I. R. Iran
57.   H. Faridnouri and H. Ghourchian, Ionic-liquid/COOH-MWCNTs as a Highly Sensitive Nanocomposite for Laccase Direct Electrochemistry, International Congress on Nanoscience & Nanotechnology (ICNN2012) 8 - 10 September 2012, Kashan, I. R. Iran
58.   S. Karimi, H. Ghourchian, A. Banaie, Conformational changes og glucose oxidase on ionic liquid/MWCNT Nanocomposite, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
59.   Hesam Sepasi, Hedayatollah  Ghourchian, Ali Akbar Moosavi Movahhedi, Stability improvement of catalase by xylitol as a compatible osmolyte, The first international and 11th Iranian Biophysical Chemistry Confrence, The First International and 11th Iran Biophysical Chemistry Conference (13-15 June 2012, Ardabil University of Medical Sciences, Ardabil, Iran
60.   Mostafa Shourian, Hedayatollah Ghourchian, A new luminescence method for Hepatitis B virus detection based on gold nanoparticles, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
61.   Hedayatollah Ghourchian,The nanoparticle based optical and electrochemical immunosensor for detection of hepatitis B surface antigen, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
62.   S. Sabouri, H. Ghourchian, Luminal and antibody bearing gold nanoparticles as a bio-label for detection of hepatitis B surface antigen, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
63.   Sharareh Sajjadi, Hedayatollah Ghourchian, Parvaneh Rahimi, Effect of Chemical Functionalization of Carbon Nanotubes on the Electrochemical Behavior of Choline Oxidase, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
64.   Leila Shahriary, Hedayatollah Ghourchianb, A. A. Athawale, Enzyme-like behavior of graphene/silver nanocomposite and its application as electrochemical glucose sensor, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
65.   R.Torabi, H. Ghourchian,  Signal amplification of a chemiluminescent aptamer based nanobiosensor for detection of Retinol Binding Protein 4 (RBP4), 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
66.   Saeed Mortezazadeh , Hedayatollah Ghourchian, Determination of Glycated Hemoglobin using boronic acid-coated CdTe Quantum Dots based on Fluorescence Resonance Energy Transfer, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
67.   S. Sabouri, H. Ghourchian, Luminal and antibody bearing gold nanoparticles as a bio-label for detection of hepatitis Bsurface antigen, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
68.   Fariba Dashtestani, Hedayatollah Ghourchian, Khadijeh Eskandari, Hossain-Ali Rafiee-Pour, A novel superoxide dismutase mimic based on copper (II) complex, 1st Tabriz international life sceience conference and 12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
69.   F.Gouranlou, H.Ghourchian, Modified electrodes for biofuel cell, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
70.   Hessam Sepasi Tehrani, Ali Akbar Moosavi-Movahedi, Hedayatollah Ghourchian, Combination of Spectroscopic and Electrochemical Methods for Discerning the Effect of Osmolytes on Biological Activity and Electron Transferring in Catalase, 1st Tabriz international life sceience conference and  12th Iran Biophysical Chemistry Conference, 22-24 May 2013, Tabriz University of Medical Sciences, Tabriz, Iran
71.   Hedayatollah Ghourchian, Seyed Mehdi, Boutorabi 65th Annual Meeting of the International Society of Electrochemistry, 31 Aug-5 Sept, 2014, Lausanne, Switzerland.
72.   Azizi M., Ghourchian H., Yazdian F., Dashtestani F., Effect of cadmium albumin nanoparticles on controled apoptosis in breast cancer cell line, Asian nano forum conference, 8-11 March 2015, Kish Iland, IR Iran.
73.   Torabi R., Ghourchian H., Novel gold nanoparticle based aptasensor for pre-diagnosis diabetes type 2, Asian nano forum conference, 8-11 March 2015, Kish Iland, IR Iran.
74.   Torabi R., Ghourchian H., Novel DNA-functionalized calcium phosphate nanoparticle for reduce insulin resistance, Asian nano forum conference, 8-11 March 2015, Kish Iland, IR Iran.
75.   Fariba Dashtestani, Hedayatollah Ghourchian, Marzieh Azizi, IMAMIA MEDICS International, 8th International Conference, Cystein complex for protection of Fibroblast NIH-3T3 cells from radiation-induced oxidative stress, 28 July- 10 August, Mashhad IR. Iran, PB-12, P 215