Immunofluorescence microscopy was performed using a Zeiss Axioplan fluorescence microscope (Carl Zeiss, Inc., Thornwood, NY) equipped with a 100 - W Hg lamp and narrowband pass excitation filters (Chroma Technology Corp., Brattleboro, VT).
The narrow - bandtechnology accesses news from the Internet via hard wire and projects it on to a 12.1 - inch custom - designed slim - line video monitor mounted in the elevator cabs of high - prestige office buildings.