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The identification of the proteinaceous material in unknown samples can be performed by principal component analysis (PCA) of amino acidic percentage content data, using a reference data set of 101 reference samples containing egg, casein, and animal glue belonging to the paint reference collection of the Opificio delle Pietre Dure, Florence [12].
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Paint references were prepared using arabic-gum and glair.
I imagined this painting referenced some previous conversation or inside joke.
The painting references a newspaper clipping detailing a climbing accident – "Two Boys Cling to Cliff All Night".
While some of the its painting references are famous enough to call the images to mind — Rembrandt's "Night Watch," details of Michelangelo's Sistine Chapel ceiling, "The Angelus" by Millet — many are not.
One highlight is the monumental, six-panel "Man Changing Into Thunderbird" (1977), a colorful narrative painting referencing spiritual transformation, creation stories, shamanistic practices and a pantheon of religious figures, cultural heroes and celebrated ancestors.
The ground paints references were made by admixing the mixtures of compounds (0.1 g) with collagen binder (0.05 ml), and applied over glass slides.
KM models calculate the resulting spectral reflectance from a mixture of single pigment paints using a reference paint spectral library.
Painting after painting makes reference to the fable of the Peach Blossom Spring, in which two fishermen accidentally wander into a hidden Eden where life is perfect, and the perfection never ends.
The lampshades are airbrushed inside with blazing orange paint, a reference to the vibrantly-colored lion heads.
A suit to recover for the reasonable value of the painting might reference the email as encouraging the painting.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com