Abstract: An electroporation system including one or more of a pipette, a pipette tip, a pipette docking assembly, and a pulse generator. The pipette docking assembly includes a pipette station, a pipette station guard, and a reservoir (e.g., a buffer tube). A method for transfecting a cell with a payload including providing an electroporation system, providing the cell, providing the payload, introducing the cell and the payload into a pipette tip, and electroporating the cell within the pipette tip by operating the electroporation system.

Abstract: A twin-heart commemorative coin comprising a coin body with a twin-heart shaped opening at the center, a connecting element with two fixing holes extended from the coin body to the opening. Two heart-shaped components of the same shape and structure, having a recess with a column and a hole at the recess. The two heart-shaped components can be overlapped at the twin-heart opening in a manner that the recesses are aligned with the connecting element so that the respective columns pass through the fixing holes at the connecting element for fitting to the respective holes of the other component to form a twin-heart commemorative coin.

Abstract: A cooking device includes an electrical motor disposed within a housing to drive, via a mechanical transmission including belt-pulley system, a stirring blade rotatably disposed within a food container which is also fixed within the housing for stirring food placed within the food container. Electrical heating elements and temperature sensor are provided within the housing for respectively heating the food container and determining the temperature of the food container. A micro-processor based control system is provided to be in electrical connection with the motor, the electrical heating elements and the temperature sensor for controlling the operation of the cooking device. The control system has a control panel to be accessible and operated by a user.