Essays Tagged: "pigments"

Hair Color

step.There are many varities of hair coloring and even more of a variety in the ways to instillthe pigments.Hair lightening involves the diffusing of the natural pigment or artificial color ofthe hai ...

(5 pages) 135 0 4.9 Mar/1996

Subjects: Art Essays


tene is a member of the carotenoid family and has over 500 relatives. Carotenoids are yellow-to-red pigments found in all green plant tissues and in some species of algae. So far 21 different caroteno ...

(3 pages) 46 0 4.0 Feb/1997

Subjects: Humanities Essays > Health & Medicine

Chocolate: the historical background of the cacao plants origin.

fruit and leaves are found. The leaves are a fan shape and are smooth in texture with bright green pigments. The tree needs a consistent climate that is never lower than fifteen degrees Celsius and o ...

(3 pages) 73 0 4.1 Apr/2003

Subjects: Science Essays > Forestry


suallyfunctions as a storage area. Plant vacuoles contain notonly water, sugars, and salts but also pigments and toxicsubstances. The pigments are responsible for many of thered, blue, or purple color ...

(3 pages) 77 0 4.0 Jun/2003

Subjects: Science Essays > Biology

1979 A.P.

e way of:a) measuring the rate of transpirationb) measuring the rate of photosynthesisc) separating pigmentsEssay :Transpiration is the loss of water vapor from land plants into the atmosphere, causin ... compounds. In green plants, photosynthesis occurs in chloroplasts, that contain the photosynthetic pigments. Photosynthesis occurs by slightly different processes in C3 and C4 plants. Factors which c ...

(3 pages) 45 0 3.0 Aug/2003

Subjects: Science Essays > Biology

The Metropolitan Museum of Art has one of the finest Asian and European art collections that has enlightened and strengthened my understanding in my personal art experience.

ha, of the Tang dynasty, ca.650, from China, made of dry lacquer with traces of gilt and polychrome pigments, height 38 in, and width 27 in, sculpture-in-the-round. One of characteristics of seated Bu ...

(4 pages) 138 0 4.3 Oct/2003

Subjects: Art Essays

A lab about Chromotography an Chlorophyll

ble and moved with the solvent front") Use the information below to help you identify the different pigments you have on your chromatogram. List them in your answer.Pigments ColorChlorophyll a = Green ... hophylls = YellowI see there are 5 different color bands I see the pigment from juice and 4 soluble pigments2.Based solely on the size of the spot/band, which pigment as the most abundant?Greenish-Blu ...

(2 pages) 44 0 1.0 Jan/2004

Subjects: Science Essays > Biology > Plant Biology

Color Blindness

ate color. These are concentrated in the very center of the retina and contain three photosensitive pigments: red, green and blue. Those with defective color vision have a deficiency or absence in one ... en and blue. Those with defective color vision have a deficiency or absence in one or more of these pigments. Those with normal color vision are referred to as trichromats. People with a deficiency in ...

(2 pages) 57 0 2.0 Feb/2004

Subjects: Science Essays > Biology > Human Biology

Effects of Cadmium what are the effects of Cadmium on humans, animals, and the earth?

a compound with other elements. There are many uses of cadmium, such as batteries, cigarette smoke, pigments, metal coatings, plastics, and appears a lot in industrial waste. The consequences of using ...

(2 pages) 32 0 3.7 Mar/2004

Subjects: Science Essays > Chemistry

Discuss the connection between Leonardo da Vinci and naturalism in his "Annunciation" and his other works.

yal of figures, his draperies, and his many other talents; sculpture, sketches, and even making the pigments of the paints he used in order to better represent his figures more realistically. M ...

(4 pages) 54 0 4.6 Apr/2004

Subjects: Art Essays

George Washington's Inaugural Analysis: The Crisis of the Moment is Alive

er, changing in color from a vibrant green to a waning yellow, slowly merging with the poignant red pigments, to an eventual decay of brown. Nothing lasts forever in this world of constant change. But ...

(8 pages) 61 0 0.0 Nov/2004

Subjects: History Term Papers > North American History > North American Presidents

Beetroot cell membranes

of the temperature on every sample will stay the same, i.e. if having a bigger beetroot sample less pigments will be released into the test tube at lower temperature, or having a smaller beetroot samp ...

(4 pages) 31 0 0.0 Feb/2005

Subjects: Science Essays > Biology

The Foreshadowed Fall of the Great Gatsby uses color symbolism to prove that Gatsby's failure was inevitable. The Great Gatsby by F. Scott Fitzgerald

ressing symbolism through color. Some of the primary colors that are used by Fitzgerald include the pigments blue, yellow, white, and red. According to the critic Daniel J. Schneider, blue becomes sym ...

(5 pages) 85 1 5.0 Feb/2005

Subjects: Literature Research Papers > North American > "The Great Gatsby" by F. Scott Fitzgerald

The New Jersey Pine Barrens

ees, water in the Pine Barrens appears a brownish red color. Thishappens because the roots emit pigments of red color into the soil which then runs into the water. Even though the amount of red p ...

(2 pages) 22 0 3.7 Jun/2005

Subjects: Science Essays > Technology

Biology Lab Report on the extraction of Chlorophyl from Plant Leaves

AbstractThis experiment focused on extracting and separating pigments of Chloroplast. For the procedure green leaves were grinded in a mortar with some chemicals ... n a filter paper and later, after dried placed into a beacon of solvent. After this the chloroplast pigments were separated by the solvent into groups of more or less soluble pigments.AimHow many pigm ... any pigment types are present in a green leaf?It is hoped to be able to identify the four different pigments types of a leaf. As the filter paper with the solvent will separate the pigments in terms o ...

(3 pages) 50 0 3.0 Mar/2006

Subjects: Science Essays > Biology > Plant Biology

Romanticism & Eugene Delacroix: Also a Look at the Death of Sardanapalus and Liberty Leading the People

d photography; collapsible tin tubes for oil paint made it possible to paint outdoors; and chemical pigments were invented allowing for a wider range of colors to be utilized by artists. Artists took ...

(4 pages) 115 0 4.7 Apr/2006

Subjects: Art Essays > Artists


Sickle-Anemia Everybody contains red blood cells. Inside the cells are pigments called hemoglobin. Hemoglobin carries oxygen through the blood into the tissues. Anemia is ...

(2 pages) 8 0 0.0 Oct/2001

Subjects: Humanities Essays > Health & Medicine > Diseases

A Brief Summary of Western Art and Religion Before the 15th Century

aeolithic cave art has been found through much of Europe and Africa. Its artists used mineral oxide pigments such as Black and Red Manganese and carved pictures into cave walls and ceilings to leave t ...

(8 pages) 82 0 3.5 Sep/2007

Subjects: History Term Papers > World History


use of small amounts of pigment called carotenoids and anthocyanin. Carotenoids are yellow and gold pigments and anthocyanins are the red and crimson pigments. Sunny cool dry weather makes bright colo ...

(1 pages) 548 0 0.0 Feb/2008

Subjects: Science Essays > Biology

DuPont's Titatium Dioxide Business - Should DuPont increase capacity

lesser investments and would still lead to an increased market share. The task force set up by the Pigments Department at DuPont made certain assumptions while conducting detailed economic analyses o ... gy until 1979 and higher thereafter. These assumptions would need to be discussed in a meeting with pigments department.Under a "maintain" strategy choice by DuPont, it is assumed that prices will inc ...

(3 pages) 16 0 0.0 May/2008

Subjects: Businesss Research Papers