Abstract: The invention relates to a device (200) for the optical characterization of fluids and/or objects enclosed therein in a microchannel (13), comprising a measuring cell (10, 120), wherein the microchannel (13) is guided through the measuring cell (10, 120), characterized in that the measuring cell (10, 120) is filled with a liquid (14), the microchannel (13) is located within the measuring cell (10, 120) in the fluid (14), the fluid and/or objects enclosed therein are movable in the microchannel (13), and the microchannel (13) is movable within the measuring cell (10, 120) and/or the measuring cell (10, 120) with the microchannel (13) is movable manually or automatically. The invention further relates to a measuring cell (10, 120) for the device (200) and methods for optical characterization of fluids and/or objects enclosed therein in a microchannel (13) by means of the device (200).

Abstract: A beach caddy used for transporting and storing items for recreational use at the beach. The caddy is provided with runners for drawing across sandy surfaces and detachable wheels for rolling over paved surfaces. A refillable water tank within the caddy dispenses fluids for washing, drinking or any other use. An adjustable support is provided for retaining a beach umbrella and permitting it to be tilted in any desired direction. Detachable tables mounted on the sides of the caddy can be set up to support items transported by the caddy.