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Overview         (For age - group : Above 16 )

Hair is mostly protein, one of nature's polymers. it is a chemical, its pigments and proteins are all chemicals, how these chemicals give color and structure to hair is an interesting study by itself, animation details out medulla, cortex, cuticle, keratin, melanin, eumelanin and phaeomelanin, and gives the hair protein structure. This animated topic gives in-depth information chemistry and structure of hair.

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Size (KB) 299 US$    0.75 Rs.59.25
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Duration (hr:min:sec) 0:9:0
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Structure and chemistry of hair
Content : Educational science software
Type :

Duration :
9 minutes

    Topics Covered :
  • What is the structure of hair protein?
  • What is chemical composition of hair?
  • What is Medulla, Cortex, Cuticle?
  • Which amino acids are present in hair?
  • Which chemical is responsible for coloring of hair?

Pigments and structure of hair protein
Pigments and structure of hair protein
Hair root and follicle Hair, medulla, cortex and cuticle
Hair root and follicle
Hair, medulla, cortex and cuticle
Details of the animation/ movie /software

Content of the science animation : Hair is mostly protein, one of nature's polymers. The structure of protein in hair is a-helix structure.The structure of protein is depend on the position of the C=O---H-N hydrogen bonds.
The innermost layer of the hair is the medulla. This layer of hair is often missing in fine hair or light blonde hair. Its purpose is unknown. The middle layer of the hair is the cortex, responsible for giving the hair its elasticity, tenacity, and strength. It is in this layer that pigment, the substance that gives color to the hair, is found. In this layer, chemical changes take place, once the cuticle has been penetrated.

Hair is composed of a fibrous protein, keratin, which originates in the hair follicle. The hair is made up of long amino acid chains joined to each other by peptide bonds.
The hair gets its color from a pigment known as melanin. The color of a person's hair is determined by their genes. Melanin is produced by melanocytes, cells that exist near the hair bulb. They collect and form bundles of a pigment protein complex called melanosomes. There are two types of melanin, eumelanin which is brown/black in color and phaeomelanin which is red.

All about it inside the animation.

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Buyers Feedback:
  Short should be more lengthy but good content by amit

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