A device (300, 400) comprising an electromagnetically driven pump (1850, 2330, 2480, 2580) pumping a fluid from a first inlet port to a first outlet port within a fluidic system; a first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) coupled at one end to either the first inlet port or the first outlet port of the electromagnetically driven pump (1850, 2330, 2480, 2580) and at its other end to the fluidic system wherein the first fluidic capacitor systems comprises a first predetermined portion (1820, 2592) having a first predetermined elastic modulus and a second predetermined portion (1810, 1830, 2590) having a second predetermined elastic modulus lower than the first predetermined elastic modulus, and wherein when the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) is coupled to the first inlet port, the second predetermined portion (1810, 1830, 2590) deforms under activation of the electromagnetically driven pump (1850, 2330, 2480, 2580) in a manner such that the electromagnetically driven pump (1850, 2330, 2480, 2580) draws directly on the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) and does not draw directly upon the complete fluidic system and when the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) is coupled to the first outlet port, the second predetermined portion (1810, 1830, 2590) deforms under activation of the electromagnetically driven pump (1850, 2330, 2480, 2580) in a manner such that the electromagnetically driven pump (1850, 2330, 2480, 2580) pumps directly into the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) and does not pump directly into the complete fluidic system. an electromagnetically driven pump (1850, 2330, 2480, 2580) pumping a fluid from a first inlet port to a first outlet port within a fluidic system; a first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) coupled at one end to either the first inlet port or the first outlet port of the electromagnetically driven pump (1850, 2330, 2480, 2580) and at its other end to the fluidic system wherein the first fluidic capacitor systems comprises a first predetermined portion (1820, 2592) having a first predetermined elastic modulus and a second predetermined portion (1810, 1830, 2590) having a second predetermined elastic modulus lower than the first predetermined elastic modulus, and wherein when the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) is coupled to the first inlet port, the second predetermined portion (1810, 1830, 2590) deforms under activation of the electromagnetically driven pump (1850, 2330, 2480, 2580) in a manner such that the electromagnetically driven pump (1850, 2330, 2480, 2580) draws directly on the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) and does not draw directly upon the complete fluidic system and when the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) is coupled to the first outlet port, the second predetermined portion (1810, 1830, 2590) deforms under activation of the electromagnetically driven pump (1850, 2330, 2480, 2580) in a manner such that the electromagnetically driven pump (1850, 2330, 2480, 2580) pumps directly into the first fluidic capacitor (1810, 1820, 1830, 2320, 2340, 2460, 2470, 2500C) and does not pump directly into the complete fluidic system.