Publication

Fluorescence sensing of caffeine in water with polysulfonated pyrenes

Kay Severin, Anne-Clémence Corminboeuf, Sébastien Rochat
2011
Journal Articles

Abstract

The commercially available fluorescence dye 8-hydroxypyrene-1,3,6-trisulfonate (HPTS) can be used as a selective molecular probe for the detection of caffeine in aqueous solution.

Official source

https://infoscience.epfl.ch/entities/publication/0d36c96c-2fa1-4974-b732-4b47fb808c79

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Kay Severin, Anne-Clémence Corminboeuf, Sébastien Rochat
2011
Journal Articles

Abstract

The commercially available fluorescence dye 8-hydroxypyrene-1,3,6-trisulfonate (HPTS) can be used as a selective molecular probe for the detection of caffeine in aqueous solution.

Official source

https://infoscience.epfl.ch/entities/publication/0d36c96c-2fa1-4974-b732-4b47fb808c79

About this result

Related concepts (11)

Water resources

Water resources are natural resources of water that are potentially useful for humans, for example as a source of drinking water supply or irrigation water. 97% of the water on Earth is salt water and only three percent is fresh water; slightly over two-thirds of this is frozen in glaciers and polar ice caps. The remaining unfrozen freshwater is found mainly as groundwater, with only a small fraction present above ground or in the air. Natural sources of fresh water include surface water, under river flow, groundwater and frozen water.

Water scarcity

Water scarcity (closely related to water stress or water crisis) is the lack of fresh water resources to meet the standard water demand. There are two types of water scarcity namely physical and economic water scarcity. Physical water scarcity is where there is not enough water to meet all demands, including that needed for ecosystems to function. Arid areas for example Central and West Asia, and North Africa often experience physical water scarcity.

Water footprint

A water footprint shows the extent of water use in relation to consumption by people. The water footprint of an individual, community, or business is defined as the total volume of fresh water used to produce the goods and services consumed by the individual or community or produced by the business. Water use is measured in water volume consumed (evaporated) and/or polluted per unit of time. A water footprint can be calculated for any well-defined group of consumers (e.g.

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