فهرس المقالات Porphyrins

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  1 - Fe (II) Ion-Selective Membrane Electrode based onTetra-Phenyl Porphyrin in PVC Matrix
  N. Farahani H. Aghaie
  Fe2+ ion-selective membrane sensor has been fabricated from polyvinyl chloride (PVC) matrixmembrane containing neutral carrier tetra phenyl porphyrin (TPP) ionophore. The addition ofsodium tetraphenylborate (NaTPB) and the plasticizer DBP has been found to substantially أکثر

  Fe2+ ion-selective membrane sensor has been fabricated from polyvinyl chloride (PVC) matrixmembrane containing neutral carrier tetra phenyl porphyrin (TPP) ionophore. The addition ofsodium tetraphenylborate (NaTPB) and the plasticizer DBP has been found to substantiallyimprove the performance of the sensor. The best performance was obtained with the sensor havinga membrane of composition of TPP: NaTPB: DBP: PVC in the ratio 6:3:61:30 respectively. Thesensor shows a linear response over a wide concentration range of 1.0 x 10-6 to 1.0 x 10-2 M witha Nemstian slope of 29.4 ± 0.6 mV decade-1 and a detection limit of 9.6 x 10-7 M. It has aresponse time of <12 s and can be used for more than seven weeks without any measurabledivergences in its potentials. The proposed sensor could be used in a pH range of 3.0-5.0.Potentiometric selectivity coefficients determined by matched potential method (MPM) indicateexcellent selectivity for Fe2+ ion. تفاصيل المقالة
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  2 - Spotlight: Porphyrin-based catalysts
  Mohammad Dashteh
  < p>Mohammad Dashteh was born in 1994 in Dashteh/ Hamedan, Iran. Having graduated in the field of Pure Chemistry (2016) from Bu-Ali Sina University, Hamedan, Iran, he continued his M.Sc. in 2018 in Organic Chemistry under the supervision of Professor Mohammad Ali أکثر

  < p>Mohammad Dashteh was born in 1994 in Dashteh/ Hamedan, Iran. Having graduated in the field of Pure Chemistry (2016) from Bu-Ali Sina University, Hamedan, Iran, he continued his M.Sc. in 2018 in Organic Chemistry under the supervision of Professor Mohammad Ali Zolfigol. He is currently working towards his Ph.D. under the supervision of Professor Mohammad Ali Zolfigol and Professor Ardeshir Khazaei in the department of chemistry at Bu-Ali Sina University, Hamedan, Iran. His research interest is the design, synthesis, and characterization of task-specific biological-based catalysts and their applications in organic transformations. تفاصيل المقالة