INTRODUCTION The colored ultrasound images can better highlight the joint echotexture damage. OBJECTIVE To detect echotexture changes in joints of patients with rheumatic diseases, through a color histogram, and to correlate the area measurements with the gray scale (GS). METHODS Four patients with chondrocalcinosis, 5 patients with osteoarthritis and 1 patient with psoriatic arthritis were...

A comprehensive investigation of the solution photophysics of a 5,5'-methylene-bridged polymeric indigo, a statistical copolymer consisting of indigo and N-acetylindigo units, was performed in organic solvents at room temperature and further compared with indigo. A complete spectral and photophysical characterization based on photoacoustic calorimetry, steady-state and time-resolved fluorescenc...

The start of the consumer society in Norway is examined by studying increased imports colorants and their constituents during 18th century. Based on historical customs records, 82 imported pigments dyes, 27 binders additives nine mordants auxiliaries are presented. Imports significantly middle at end century, representing two chromatic “revolutions”. This was especially evident for lead white i...