Pigment

(The link to the evidence) “A crayon (or wax pastel) is a stick of colored wax, charcoal, chalk or other material used for writing or drawing. A crayon made of pigment with a dry binder is a pastel; when made of oiled chalk it is called an oil pastel. A grease pencil or Chinese marker (UK chinagraph pencil) is made of colored hardened grease. There are also watercolor crayons, sometimes called water-soluble crayons…

is it worth all the hype? Who wouldn’t want a way to get rid of unwanted hair for long periods of time with the possibility that it would never grow up? But, how does it work? The concentrated laser beam targets the melanin found in hair. The pigment absorbs the light, damaging the follicle so that it hinders growth. While it seems to be a great way to diminish hair growth, it has its pros and cons. Keep reading for a list of the pros and cons of laser hair removal. Pro: Possibility of…

(Encyclopedia of Art and Classical Antiquates). Fayum portraits illustrated a multicultural society of Roman Egypt. Those paintings were made by using pigments mixed with beeswax and various other ingredients like eggs, resin, and linseed oil to give the effect of an oil painting (metsmuseum.org). Some paintings used a method called tempera where they used pigments with water and egg yolk. This method was usually used on wood panels which started in Europe. The Fayum portraits was a blending of…

Isolation of Chlorophyll and Beta-Carotene from Plant Leaves Yokoyama Yuri B1 (A0142349E) 1. Aim: a) To separate beta-carotene and chlorophyll via column chromatography. b) To analyse the contents of the plant extract as well as the separated beta-carotene and chlorophyll via thin layer chromatography (TLC) c) To analyse the absorption peaks of both beta-carotene and chlorophyll using UV-Vis spectroscopy 2. Results: Fig 1. UV-Vis spectroscopy results for S2 (Beta-Carotene extract) Wavelength at…

light would offer a larger spectrum of colors compared to a blue or red pigment. To go into further detail there are four different photosynthetic pigments that are found in the chloroplast of a plant and these are chlorophyll b- yellow/greenish in color, xanthophyll-yellow colored group of carotenoids, beta-carotene-an orange colored carotenoid, and lastly chlorophyll a- blue/green in color. Chlorophyll a is the main pigment that is in plants and because it reflects in the green light…

Preserve on Artwork The artwork that I chose to Preserve was "Gray Tree", because it caught my eye on the way it looked. The caption of "Gray Tree" is a simple way of explaining the artwork. "Gray Tree" Contour Lines are wavy and thick which bring out the form of a tree. I believe this was Piet Mondrian's goal to make it a simple and understandable painting. The caption of the artwork, the painting itself, and the colors he used to create the tree are simple. Value and Contrast come together in…

syndrome characterized by blotches of white, de-pigmented skin. Vitiligo affects a predictable 1%-2% of the world's population, including males and females of all races. The chronic skin ailment happens when skin pigment cells die or are inept to function and the skin loses its pigment. Vitiligo is triggered by a far-reaching absence of melanin, the body's skin-pigmenting chemical, in areas of affected skin. Along with the mutilating trepidations, these skin zones are sun sensitive and have an…

Greek pottery is a glimpse into the Ancient Greek world. Because of its durability, it has given us insight into the Greeks’ values and culture that we would not have otherwise. This paper tells the story of two pieces of Greek pottery. The first is an amphora depicting Theseus and the Minotaur(MS4833) and the second is a Pyxis made by the famous Meleager Painter, which portrays the marriage of Herakles and Hebe(MS5462). Day after day slaves and poor workers dug clay out of the rich Attican…

The purpose of the Light, Color, and Solutions experiment was to determine how to use a spectrophotometer, understand the relationship between a solution’s visible color and its color absorption, and to derive, understand, and use Beer’s Law. Some background information that would be helpful included that the color of a solution was determined both by the colors it absorbed as well as the colors it transmitted. For example, if a solution was viewed as the color red, then red light was…

Construction Also known as the Verul Leni, The Ellora caves located about 29 kilometres northwest from the city of Aurangabad. These caves were carved out of the vertical face of the Charanandri hills during the period of 6th and 10th centuries, the same times the Ajanta caves were abandoned. Reminiscent of the Ajanta caves, the Ellora caves are also world famous for their spectacular paintings and sculpture. Even after extensive research, the experts are still unable to tell how these…