The electrolyte (4) is disposed between the transparent sleeve (5) and the cell body.

The probe tip also includes a see-through boot encapsulating the molded substrate and ultrasound transducer assembly.

The method and system uses a balloon housed in a transparent sleeve located at a distal end of an endoscope.

An indicator has a transparent sheath (20) with support medium treated with an acid and a pH indicator (22), as the contaminant is adsorbed, the color changes along the medium (24).

The filamentous conductor base (1) and the counter electrode (3) respectively are drawn out from one end of the transparent sleeve (5).

Disclosed is a dye sensitized solar cell comprising a working electrode, a counter electrode (3), an electrolyte (4), and a transparent sleeve (5).