These include: acid hydrolysis and monosaccharide composition using gas - liquid chromatography [3],
microscopic observation of xylem stem sections [4, 5], seedling growth
on medium containing cell wall hydrolyzing enzymes [6] and Fourier - Transform Infrared (FT - IR) microspectroscopy [7, 8].
Tobey rejected scale and monumentality to create «
microscopic» worlds and intimate compositions, based
on an intense
observation of nature, the city, and the flow of light.