P.hd in analysis of ion-currents and ion-water interactions in gramicidin channels in artificial bimolecular lipid membranes

PhD

In Mumbai

Price on request

Description

  • Type

    PhD

  • Location

    Mumbai

Facilities

Location

Start date

Mumbai (Mahārāshtra)
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Homi Bhabha Road, Mumbai , 400005

Start date

On request

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Course programme

P.hd in analysis of ion-currents and ion-water interactions in gramicidin channels in artificial bimolecular lipid membranes

We study the mechanisms of transport of small solutes and water molecules across cell membranes. Our primary interest lies in the physiology of epithelial cells, the cells that line surfaces of the body and are the key transporting cells of organs like the intestine, kidneys and eyes. In many of these epithelial cell systems, it is still not clear as to what the driving forces for water absorption and secretion are. The technical challenge of working with small living structures in vitro requires experimental models dedicated to each cell system and the parameters being measured. Where information is sought at a single membrane level we use artificial planar bilayer membranes with model channels like the antibiotic gramicidin inserted in them.

The primary research interest of the Membrane Biophysics Laboratory is the study of transport processes in cell membranes, particularly the coupled transport of solutes and water molecules. We investigate cellular and molecular mechanisms that underlie physiological processes in epithelial cells, cell layers and artificial planar bilayer membranes with model channels inserted in them using three or four techniques:

Microperfusion electrophysiology of tubular insect epithelial cells, e.g. the Drosophila midgut; analysis of ion-currents and ion-water interactions in ion channels in artificial bimolecular lipid membranes; capacitance probe measurement of transepithelial water transport and fluid transport in insect epithelia using the Ramsay technique

P.hd in analysis of ion-currents and ion-water interactions in gramicidin channels in artificial bimolecular lipid membranes

Price on request