Dr. Muhammad Asif
Assistant Professor, Physics
Area of Interest: Nanotechnology and its bio-medical applications
Tel # (Off): 111-001-007  
HEC approved PhD Supervisor

Fabrication and characterization of metal-oxide semi-conductor nanostructure in the direction of electrochemical biosensors and photodynamic therapy based on functionalized nanorods/nanowires for extra and intracellular environment. As ZnO is a promising wide bandgap and polar semiconductor material, we have used lot of potential technological applications of ZnO nanostructures in UV light emitting devices, piezoelectric power generation, sensors, transducers, photodynamic therapy and biosensors. The other important properties of ZnO are piezoelectricity, biocompatibility and easy manufacturing of nanostructure. Fabrication, characterization and functionalization of metal-oxide nanostructure for extra and intracellular media to drug delivery, glucose, metal ion detection and for photodynamic therapy is my favorite field. My doctoral research work at the Linkoping University (SWEDEN), has allowed me to learn a diverse array of experimental techniques like XRD, UV-VIS-NIR spectrophotometer, SEM, TEM, AFM, FTIR, Photoluminescence (PL) measurements, I-V and C-V measurement. I am also acquainted with several nanostructures and thin film deposition technique like ACG, VLS, CVD and e-beam evaporation, etc                 

Publications:

Book Chapters:
1. Muhammad H. Asif, Magnus Willander, Peter Strålfors and Bengt Danielsson (2011), "Zinc Oxide Nanorods and their Application to Intracellular Glucose Measurements", Nanotechnology and Nanomedicine in Diabetes, edited by: Lan-Anh Le Ross J. Hunter Victor R. Preedy, published by: Science Publishers, pp: 120-140, Standard: 978-1-57808-729-7   
Journal Papers:
1. G. Amin, Muhammad H. Asif, A. Zainelabdin, S. Zaman, O. Nur, M. Willandar (2012), "CuO nanopetals based electrochemical sensor for selective Ag+ measurements", Sensor Letters, Vol: 10   
2. M. Willander, O. Nur, M. Fakhar-e-Alam, J. R. Sadaf, M. Q. Israr, K. Sultana, S. M. Usman Ali, and Muhammad H. Asif. (2011), "Applications of Zinc Oxide Nanowires for Bio-photonics and Bio-electronics", Proc. of SPIE, Vol: 7940   
3. Muhammad H. Asif, Fredrik Elinder, Magnus Willander (2011), "Electrochemical biosensors based on ZnO nanostructures to measure intracellular metal ions and glucose", Journal of Analytical & Bioanalytical Techniques , Vol: 10.4172/2155-9872.S7   
4. S. Zaman, Muhammad H. Asif, A. Zainelabdin, G. Amin, O. Nur, M. Willander (2011), "Electrochemical pH sensor based on CuO nanoflowers and pH effect on growth", Journal of Electroanalytical Chemistry, Vol: 662, Issue: 2   
5. K. ul Hassan, Muhammad H. Asif, O. Nur, M. Willander (2011), "Functionalized Graphene Based Glucose Sensor", Journal of Biosensors and Bioelectronics , Vol: 10.4172/2155-6210.1000114   
6. Alejandro Pezzulo, Muhammad H. Asif, Joseph Zabner, and Magnus Willander (2011), "In-situ quantification of glucose concentration in airway surface liquid with functionalized ZnO nanorod-coated microelectrodes", Journal of Analytical & Bioanalytical Techniques, Vol: doi: 10.4172/2155-9872.S7-002   
7. G. Amin, Muhammad H. Asif, A. Zainelabdin, S. Zaman, O. Nur, M. Willandar (2011), "Influence of pH, precursor concentration, growth time and temperature on the morphology of ZnO nanostructures grown by the hydrothermal method", Nanomaterials, Vol: 2011   
8. Syed M. Usman Ali, M. H. Asif, A. Fulati, O. Nur, M. Willander, Cecilia Bränmark, Peter Strålfors Ulrika H. Englund, Fredrik Elinder and Bengt Danielsson (2011), "Intracellular K+ Determination with a Potentiometric Microelectrode Based on ZnO Nanowires.", IEEE (Nanotechnology), Vol: 10, Issue: 4   
9. Sara I. Börjesson, Ulrika H. Englund, Muhammad H. Asif, Magnus Willander, Fredrik Elinder (2011), "Intracellular potassium (K+) concentration decrease is not obligatory for apoptosis", Journal of Biological Chemistry, Vol: 10.1074/jbc.M111.262725   
10. A. Fulati, Syed M. Usman Ali, M. H. Asif, N. H. Alvi, M. Willander, Cecilia Bränmark, Peter Strålfors Sara I Börjesson and Fredrik Elinder (2010), "An intracellular glucose biosensors based on nanoflake ZnO", Sensors and Actuators, Vol: 150, Issue: 2   
11. M. Q. Israr, J. R. Sadaf, M. H. Asif, O. Nur, M. Willander and B. Danielsson (2010), "Extracellular Potentiometric Cholesterol Biosensor Based on Aqueous Chemically Grown ZnO Nanorods on Ag wire", Thin Solid Films, Vol: 519, Issue: 3   
12. M. H. Asif, Syed M. Usman Ali, O. Nur, M. Willander, Cecilia Brännmark, Peter Strålfors, Ulrika Englund , Fredrik Elinder and B. Danielsson (2010), "Functionalized ZnO nanorod based intracellular glucose sensor", Biosensors and Bioelectronics , Vol: 25   
13. M. H. Asif, Syed M. Usman Ali, O. Nur, M. Willander, Ulrika H. Englund, Fredrik Elinder (2010), "Functionalized ZnO nanorod-based selective magnesium ion sensor for intracellular measurements", Biosensors and Bioelectronics , Vol: 26, Issue: 3   
14. M. H. Asif, Omer Nur, Magnus Willander, Peter Strålfors Cecilia Bränmark, Fredrik Elinder Ulrika H. Englund, Jun Lu and Lars Hultman (2010), "Growth and structure of ZnO nanorods on a sub-micrometer glass pipette and its application as intracellular potentiometric selective ion sensor", Materials, Vol: 3, Issue: 9   
15. S. Kishwar, M. H. Asif, O. Nur, M. Willander, and Per Olof Larsson (2010), "Intracellular ZnO Nanorods Conjugated with Protoporphyrin for Local Mediated Photochemistry and Efficient Treatment of Single Cancer Cell", Nanoscale Res Lett, Vol: 5   
16. M. Willander, M. H. Asif, S. Zaman, A. Zainelabdin, N. Bano, S. M. Al-Hilli, and O. Nur (2009), "Different interfaces to crystalline ZnO nanorods and their applications", Physica Status Solidi (PSS), Vol: 6, Issue: 12   
17. M. H. Asif, A. Fulati, O. Nur, M. Willander, Cecilia Bränmark, Peter Strålfors Sara I Börjesson and Fredrik Elinder (2009), "Functionalized zinc oxide nanorod with ionophore-membrane coating as an intracellular Ca2+ selective sensor", Applied Physics letters, Vol: 95, Issue: 2   
18. M. H. Asif, O. Nur, M. Willander, and B. Danielsson (2009), "Selective Calcium Ion Detection with Functionalized ZnO Nanorods-Extended Gated MOSFET", Biosensors and Bioelectronics, Vol: 24   
19. M. Willander, L. L. Yang, A. Wadeasa, S. U. Ali, M. H. Asif, Q. X. Zhao and O. Nur (2009), "ZnO nanorwires: controlled low temperature growth and some electrochemical and optical nano-devices", journals of Material Chemistry, Vol: 19   
20. M. H. Asif, O. Nur, M. Willander, M. Yakovleva, and B. Danielsson (2008), "Studies on calcium ion selectivity of ZnO nanorwires sensors using ionophore membrane coatings", Research letters in nanotechnology, Vol: 2008   

Qualification

Ph.D (Nanotechnology)
Department of Science and Technology (ITN) Linkoping University, Sweden
Sep 2007 to Sep 2011
   
M.Sc Physics
Physics Department, University of the Punjab, Pakistan
Sep 2000 to Sep 2002
   

Experience

Assistant Professor
COMSATS
Nov 2011 to Date
   

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