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Dive into the research topics where Mohammed Benyezzar is active.

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Featured researches published by Mohammed Benyezzar.


Review of Scientific Instruments | 2010

A novel experimental system of high stability and lifetime for the laser-desorption of biomolecules

Mehran Taherkhani; Mikko Riese; Mohammed Benyezzar; Klaus Müller-Dethlefs

A novel laser desorption system, with improved signal stability and extraordinary long lifetime, is presented for the study of jet-cooled biomolecules in the gas phase using vibrationally resolved photoionization spectroscopy. As a test substance tryptophane is used to characterize this desorption source. A usable lifetime of above 1 month (for a laser desorption repetition rate of 20 Hz) has been observed by optimizing the pellets (graphite/tryptophane, 3 mm diameter and 6 mm length) from which the substance is laser-desorbed. Additionally, the stability and signal-to-noise ratio has been improved by averaging the signal over the entire sample pellet by synchronizing the data acquisition with the rotation of the sample rod. The results demonstrate how a combination of the above helps to produce stable and conclusive spectra of tryptophane using one-color and two-color resonant two-photon ionization studies.


Journal of Laser Micro Nanoengineering | 2010

Writing parameters for 3D refractive index structures in polymethyl methacrylate using femtosecond radiation at 400 nm

Shijie Liang; Patricia Scully; Joerg Schille; John Vaughan; Mohammed Benyezzar; Dun Liu; Walter Perrie


Materials Chemistry and Physics | 2016

Characterization of a silica-PVA hybrid for high density and stable silver dissolution

Bryce Dorin; Guangyu Zhu; Patrick Parkinson; Walter Perrie; Mohammed Benyezzar; Patricia Scully


In: Proceedings of POF10 19th International Polymer Optical Fiber Conference: POF10 19th International Polymer Optical Fiber Conference; 19 Oct 2010-21 Oct 2010; Keio University, Yokohama, Japan; 2010. | 2010

Femtosecond Laser Induced Long Period Gratings in Polymer Optical Fibre

Shijie Liang; Patricia Scully; Joerg Schille; John Vaughan; Mohammed Benyezzar; Dun Liu; Walter Perrie


In: POF2011 20th International Polymer Optical Fiber Conference: POF2011 20th International Polymer Optical Fiber Conference; 16 Oct 2011-19 Oct 2011; Bilbao, Spain. Spain; 2010. | 2010

Distributed Polymer Optical Fibre Sensing of Moisture and pH in soils: Feasibilty for e-Agriculture

C Qiao; P Fiadzomor; B Hamza; Patricia Scully; Mohammed Benyezzar; Bruce Grieve; Krikor B. Ozanyan; D. Pearson


Photon12 | 2012

Distributed Sensing using Optical Fibres for Moisture and pH in Soils for e-Agriculture Applications

Fiadzomor Ph; Patricia Scully; Mohammed Benyezzar; C Qiao; John Vaughan; Bruce Grieve; Krikor B. Ozanyan; D. Pearson


Photon 12 | 2012

POF based moisture and pH sensor in soils for e-Agriculture applications.

P Fiadzomor; B Hamza; Patricia Scully; Mohammed Benyezzar; C Qiao; John Vaughan; Bruce Grieve; Krikor B. Ozanyan; D. Pearson


Physical Chemistry Chemical Physics | 2011

Solvent shifts and structures of phenol...Arn clusters

Antonio Armentano; J. Cerny; Mikko Riese; Mehran Taherkhani; Mohammed Benyezzar; Klaus Müller-Dethlefs


In: Zubia, Joseba. 20th International Polymer Optical Fiber Conference: 20th International Polymer Optical Fiber Conference; 14 Sep 2011-13 Jan 2012; University of the Basque Country, Spain. Bilbao, Spain; 2011. | 2011

Distributed polymer optical fibre sensing of moisture and pH in soils: Feasibility for e-agriculture

C Qiao; P Fiadzomor; B Hamza; Patricia Scully; Mohammed Benyezzar; Bruce Grieve; Krikor B. Ozanyan; D. Pearson


Archive | 2010

OPTICS; ATOMS AND MOLECULES; SPECTROSCOPY; PHOTON DETECTORS 063101 A novel experimental system of high stability and lifetime for the laser-desorption of biomolecules (6 pages)

Mehran Taherkhani; Mikko Riese; Mohammed Benyezzar; Klaus Müller-Dethlefs; Brian E. Brumfield; Jacob T. Stewart; Susanna L. Widicus Weaver; Matthew D. Escarra; Scott S. Howard; Claire F. Gmachl; Benjamin J. McCall; Paul Altin; Nicholas Robins; Diether Doring; John E. Debs; Rachel Poldy; Cristina Figl

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John Vaughan

University of Manchester

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Bruce Grieve

University of Manchester

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Dun Liu

University of Liverpool

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Joerg Schille

University of Manchester

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Mikko Riese

University of Manchester

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