Abstract: An electroluminescent device comprising: an organic electroluminescent element and a junction transistor having a first region, a second region, and an intermediate semiconducting region configured to control flow of charge between the first and second regions, wherein at least two abutting regions consist essentially of one or more semiconducting inorganic metal compounds, and wherein each region of the junction transistor and the electroluminescent element are successively stacked along a common direction.

Abstract: An electroluminescent device comprising: an organic electroluminescent element and a junction transistor having a first region, a second region, and an intermediate semiconducting region configured to control flow of charge between the first and second regions, wherein at least two abutting regions consist essentially of one or more semiconducting inorganic metal compounds, and wherein each region of the junction transistor and the electroluminescent element are successively stacked along a common direction.

Abstract: Some embodiments relate to an absorption probe for measuring an amount of dissolved organic carbon in an aqueous sample, the absorption probe comprising: a housing defining an analysis zone for the containment or passage of an aqueous sample; a light reflector disposed within said housing; an ultraviolet light emitting device disposed within said housing and operable to radiate ultraviolet light along an optical path that passes through the aqueous sample to impinge on said reflector; and a light detector disposed within said housing and operable to detect radiated light reflected from said reflector and to output a received signal from said detected reflected light, said received signal indicative of a measure of an amount of dissolved organic carbon in the aqueous sample.

Abstract: Some embodiments relate to an absorption probe for measuring an amount of dissolved organic carbon in an aqueous sample, the absorption probe comprising: a housing defining an analysis zone for the containment or passage of an aqueous sample; a light reflector disposed within said housing; an ultraviolet light emitting device disposed within said housing and operable to radiate ultraviolet light along an optical path that passes through the aqueous sample to impinge on said reflector; and a light detector disposed within said housing and operable to detect radiated light reflected from said reflector and to output a received signal from said detected reflected light, said received signal indicative of a measure of an amount of dissolved organic carbon in the aqueous sample.

Abstract: A method of construction of an electrochemical interconnect plate, the method comprising the steps of: (a) etching predetermined fluid flow channels in a first conductive sheet; and (b) coating the first conductive sheet with a corrosion resistant layer of nickel and tin.

Abstract: A method of construction of an electrochemical interconnect plate, the method comprising the steps of: (a) etching predetermined fluid flow channels in a first conductive sheet; and (b) coating the first conductive sheet with a corrosion resistant layer of nickel and tin.