摘要:
According to one embodiment, an apparatus and method for delivering one or more fluids to a microfluidic channel is provided. A microfluidic channel is provided in communication with a first conduit for delivering fluids to the microfluidic channel. Further, the apparatus and method can include a first fluid freeze valve connected to the first conduit and operable to reduce the temperature of the first conduit for freezing fluid in the first conduit such that fluid is prevented from advancing through the first conduit.
摘要:
A method of treating a plastic surface with fluorine gas to decrease adsorption of hydrophobic solute molecules to the surface is provided. The method can include treating a surface with a first gas comprising fluorine gas and a second gas comprising oxygen gas, water vapor, or both oxygen gas and water vapor. Plastics treated using the method provide useful drug discovery and biochemical tools for the testing, handling, and storage of solutions containing low concentrations of hydrophobic solutes. Microfluidic devices containing treated plastic interior surfaces and methods of using such devices to make concentration-dependent measurements are also described.