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Homogeneous catalyst mediated glucose mutarotation studies using vibrational spectroscopy
Descriptive
TitleInfo
Title
Homogeneous catalyst mediated glucose mutarotation studies using vibrational spectroscopy
Name
(type = personal)
NamePart
(type = family)
Ramesh
NamePart
(type = given)
Pranav
NamePart
(type = date)
1993-
DisplayForm
Pranav Ramesh
Role
RoleTerm
(authority = RULIB)
author
Name
(type = personal)
NamePart
(type = family)
Tsilomelekis
NamePart
(type = given)
George
DisplayForm
George Tsilomelekis
Affiliation
Advisory Committee
Role
RoleTerm
(authority = RULIB)
chair
Name
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NamePart
Rutgers University
Role
RoleTerm
(authority = RULIB)
degree grantor
Name
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NamePart
School of Graduate Studies
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school
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Text
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theses
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2017
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2017-10
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2017
Place
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(type = code)
xx
Language
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(type = code)
eng
Abstract
(type = abstract)
The pitfalls of overdependence on fossil fuels are well documented. Current research aims to focus on biomass obtained from renewable cellulose for the production of fuels and chemicals. In that regard, with cellulose as source, 5-hydroxymethylfurfural (HMF) is a versatile platform chemical for the production of chemicals like levulinic acid. The isomerization of glucose to fructose is one of the steps in the synthesis of HMF from cellulose. Glucose exists in several anomeric forms and it has been shown that the isomerization reaction is anomer specific. This work focuses on the study of mutarotation in glucose in the presence of homogeneous Lewis acid catalysts. A combination of spectroscopic tools: ATR-IR and Raman spectroscopy are used to study the vibrational modes of glucose in aqueous solution. At room temperature, changes in vibrational modes can be attributed to the mutarotation reaction. This work compares the rate of mutarotation in different concentrations of AlCl3, CrCl3 and SnCl4. The influence of metal salts in solution, pH and ionic strength were also probed by comparing with the rates obtained in Brönsted acids. The mutarotation in Lewis acid is faster than that in water. It is fastest in SnCl4 and increases with increase in concentration of SnCl4. Results also indicate a lack of glucose-Lewis acid interactions. However, rates vary depending on the nature of metal salts in solution indicating that the mutarotation is influenced by the nature of Lewis acid-water interactions.
Subject
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Topic
Chemical and Biochemical Engineering
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TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier
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ETD
Identifier
ETD_8448
PhysicalDescription
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electronic resource
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application/pdf
InternetMediaType
text/xml
Extent
1 online resource (ix, 63 p. : ill.)
Note
(type = degree)
M.S.
Note
(type = bibliography)
Includes bibliographical references
Subject
(authority = ETD-LCSH)
Topic
Glucose
Note
(type = statement of responsibility)
by Pranav Ramesh
RelatedItem
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TitleInfo
Title
School of Graduate Studies Electronic Theses and Dissertations
Identifier
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rucore10001600001
Location
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(displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier
(type = doi)
doi:10.7282/T3320015
Genre
(authority = ExL-Esploro)
ETD graduate
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Rights
RightsDeclaration
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Ramesh
GivenName
Pranav
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
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(qualifier = exact);
(point = start)
2017-09-28 21:12:54
AssociatedEntity
Name
Pranav Ramesh
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
AssociatedObject
Type
License
Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
RightsEvent
DateTime
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(qualifier = exact);
(point = start)
2017-10-31
DateTime
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(point = end)
2019-10-31
Type
Embargo
Detail
Access to this PDF has been restricted at the author's request. It will be publicly available after October 31st, 2019.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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ETD
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windows xp
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2017-10-10T15:06:50
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