An image processing device and method is provided to reduce color artifact. The electrode has a predefined contour and contains an electrically conductive material. The apparatus is also effective when used in conjunction with a liquid mobile phase heater such as those provided by an HPLC column compartment or a metal capillary of sufficient length to heat the liquid mobile phase. The binding molecules are capable of specifically binding to SARS-CoV and can be used in the diagnosis, prophylaxis andor treatment of a condition resulting from SAR .