Polymers and Synthesis

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  • Created by: Isobel242
  • Created on: 15-04-14 18:44
Peptide
A compound made of amino acids linked by peptide bonds.
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Zwitterion
A dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group. As both a positive and negative charge are present there is no overall charge.
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Isoelectric Point
The pH value at which the amino acid exists as a zwitterion.
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Condensation Reaction
One in which two small molecules react together to form a larger molecule with the elimination of a small molecule such as water.
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Hydrolysis
The breaking of a bond by a reaction with water. Hydrolysis can be catalysed by an acid or alkali.
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Stereoisomers
Species with the same structural formula but with a different arrangement if atoms in space.
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Chiral Carbon
A carbon atom attached to four different atoms or groups of atoms.
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Optical Isomers (Enantiomers)
Stereoisomers that are non-superimposable mirror images of each other.
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Repeat Unit
The specific arrangement of atoms that occurs in the structure over and over again. Repeat units are included in brackets, outside which is the letter n.
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Biodegradable Polymer
A polymer that breaks down completely in to carbon dioxide and water.
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Degradable Polymer
A polymer that breaks down into smaller fragments when exposed to light, heat or moisture.
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Other cards in this set

Card 2

Front

A dipolar ionic form of an amino acid that is formed by the donation of a hydrogen ion from the carboxyl group to the amino group. As both a positive and negative charge are present there is no overall charge.

Back

Zwitterion

Card 3

Front

The pH value at which the amino acid exists as a zwitterion.

Back

Preview of the back of card 3

Card 4

Front

One in which two small molecules react together to form a larger molecule with the elimination of a small molecule such as water.

Back

Preview of the back of card 4

Card 5

Front

The breaking of a bond by a reaction with water. Hydrolysis can be catalysed by an acid or alkali.

Back

Preview of the back of card 5
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