| 21. | Current flowing through the plastic makes the hydrogel shrink or swell, says Madou.
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| 22. | -Use hydrogels for container plants and in beds where plants require regular watering.
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| 23. | Disposable diapers are made of superabsorbent polymers, or hydrogels, that retain moisture.
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| 24. | He estimated that the hydrogel would pay for itself in less than a year.
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| 25. | These hydrogels can be used for wound dressing.
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| 26. | Radical polymerization also aids synthesis of nanocomposite hydrogels.
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| 27. | These values are more that twice the values of oxygen permeability for hydrogel materials.
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| 28. | Other transparent, permeable materials were tested, including hydrogel polymers in the 1960s.
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| 29. | Hydrogels are controlled drug delivery agents that can be engineered to have desired properties.
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| 30. | Materials include polymers, responsive hydrogels, shape memory polymers and bio-materials.
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