Characterization and Identification of Colorants in a Japanese Pillar Print

Traditional colorants used in Japanese woodblock printing may be visually and chemically altered by exposure to light, pollutants, pH extremes, humidity, water, and other solvents. It is helpful, therefore, to identify colorants in Japanese prints when considering the potential impact … Continua a leggere

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VANISHING DA VINCI

Studying a famous Leonardo self-portrait, a team of scientists has developed a new, nondestructive way to gauge degradation of ancient paper art and docs. One of Leonardo da Vinci’s masterpieces, drawn in red chalk on paper during the early 1500s … Continua a leggere

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