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Role of lactose in modifying gel tra...

Dhruv, Harshil D.

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Role of lactose in modifying gel transition temperature and morphology of self-assembled hydrogels.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Role of lactose in modifying gel transition temperature and morphology of self-assembled hydrogels./
Author:	Dhruv, Harshil D.
Description:	73 p.
Notes:	Source: Masters Abstracts International, Volume: 44-04, page: 1948.
Contained By:	Masters Abstracts International44-04.
Subject:	Engineering, Environmental. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1430699
ISBN:	9780542483547

Role of lactose in modifying gel transition temperature and morphology of self-assembled hydrogels.
Dhruv, Harshil D.

Role of lactose in modifying gel transition temperature and morphology of self-assembled hydrogels. - 73 p.

Source: Masters Abstracts International, Volume: 44-04, page: 1948.

Thesis (M.S.)--Utah State University, 2005.

Lactose was investigated as a gelling agent that could be used to tune the gel transition temperature (Tgel) and morphology of self-assembled fatty acid and fatty amine gels prepared in a water/alcohol cosolvent. Palmitic acid-lactose and n-hexadecylamine-lactose gels were studied using FTIR spectroscopy, AFM, and SEM. Lactose was observed to lower the T gel of the palmitic acid system while raising the Tgel of the n-hexadecylamine system. Compared to the pure palmitic acid, the IR spectra of the palmitic acid-lactose system exhibit 9 cm -1 shifts of the carbonyl stretching vibration and up to 29 cm -1 shifts of three hydroxyl stretching vibrations, implying strong intermolecular hydrogen bonding. In contrast, covalent conjugation is indicated for the n-hexadecylamine-lactose system by the disappearance of a sharp peak corresponding to a primary aliphatic amine stretching vibration (3337 cm-1) and emergence of a weak peak corresponding to a secondary aliphatic amine stretching vibration (3431 cm-1).

ISBN: 9780542483547Subjects--Topical Terms:

783782
Engineering, Environmental.

Role of lactose in modifying gel transition temperature and morphology of self-assembled hydrogels.
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502 $a Thesis (M.S.)--Utah State University, 2005.
520 $a Lactose was investigated as a gelling agent that could be used to tune the gel transition temperature (Tgel) and morphology of self-assembled fatty acid and fatty amine gels prepared in a water/alcohol cosolvent. Palmitic acid-lactose and n-hexadecylamine-lactose gels were studied using FTIR spectroscopy, AFM, and SEM. Lactose was observed to lower the T gel of the palmitic acid system while raising the Tgel of the n-hexadecylamine system. Compared to the pure palmitic acid, the IR spectra of the palmitic acid-lactose system exhibit 9 cm -1 shifts of the carbonyl stretching vibration and up to 29 cm -1 shifts of three hydroxyl stretching vibrations, implying strong intermolecular hydrogen bonding. In contrast, covalent conjugation is indicated for the n-hexadecylamine-lactose system by the disappearance of a sharp peak corresponding to a primary aliphatic amine stretching vibration (3337 cm-1) and emergence of a weak peak corresponding to a secondary aliphatic amine stretching vibration (3431 cm-1).
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