Staff View
Interfacial molarities in ionic surfactant aggregates

Descriptive

TitleInfo
Title
Interfacial molarities in ionic surfactant aggregates
SubTitle
determining ion specific effects by chemical trapping
Name (type = personal)
NamePart (type = family)
Liu
NamePart (type = given)
Changyao
NamePart (type = date)
1990-
DisplayForm
Changyao Liu
Role
RoleTerm (authority = RULIB)
author
Name (type = personal)
NamePart (type = family)
Romsted
NamePart (type = given)
Laurence Stuart
DisplayForm
Laurence Stuart Romsted
Affiliation
Advisory Committee
Role
RoleTerm (authority = RULIB)
chair
Name (type = corporate)
NamePart
Rutgers University
Role
RoleTerm (authority = RULIB)
degree grantor
Name (type = corporate)
NamePart
Graduate School - New Brunswick
Role
RoleTerm (authority = RULIB)
school
TypeOfResource
Text
Genre (authority = marcgt)
theses
OriginInfo
DateCreated (qualifier = exact)
2016
DateOther (qualifier = exact); (type = degree)
2016-10
CopyrightDate (encoding = w3cdtf); (qualifier = exact)
2016
Place
PlaceTerm (type = code)
xx
Language
LanguageTerm (authority = ISO639-2b); (type = code)
eng
Abstract (type = abstract)
The striking effects of a variety of salts on protein solubility and stability was first discovered by Franz Hofmeister in 1888. For more than a century, ion-specific effects on the properties of ionic colloids, biomembranes and proteins in solution have been demonstrated thousands of times, and the ion-specific order is often called the Hofmeister series. However, a molecular level explanation for ion-specific effects has not been elucidated. Here we are trying to characterize the ion-specific effects at the molecular level by using the chemical trapping method developed by our group. The method is based on the reaction between two specifically designed probes 4-alkyl-2,6-dimethylarenediazonium ion, z-ArN2BF4 (z=16, hexadecyl, z=1, methyl), and weakly basic nucleophiles, such as water, halides, and alcohols in the interfacial region of micelles and other association colloids. This method provides estimates of interfacial molarities of water, counterions for cationic surfactants, and headgroups for anionic surfactants. Our results supports that the ion specific effects in ionic surfactant aggregates depend on a delicate balance-of-forces controlled by ion-pairing, and that hydration interactions within the interfacial region, can be explained by the shift of the interfacial ion-pair/hydration equilibrium. Chapter 1 is a general introduction on pertinent background information including surfactants and their aggregates, ion specific effects, and the logic of chemical trapping method. Chapter 2 describes the characterization the ion specific effects of acetate (AcO-), mesylate (MsO-), chloride (Cl-), bromide (Br-), and iodide (I-) on micelles composed of the twin tail gemini surfactants 1,2-ethanebis(dimethyldecylammonium) (10-2-10 2X) by both the chemical trapping method and MD simulations. In chapter 3, the chemical trapping method is applied to estimate the interfacial water and counterion molarities in 10-2-10 2X (X = MsO, Cl, and Br) gemini surfactant solutions in the presence of added counterion salts NaX (X = MsO, Cl, and Br, respectively). Chapter 4 shows the specific anion effects in micelle-to-vesicle transitions in AOT/salt solutions are determined by the shift in the interfacial ion-pair/hydration equilibrium.
Subject (authority = RUETD)
Topic
Chemistry and Chemical Biology
RelatedItem (type = host)
TitleInfo
Title
Rutgers University Electronic Theses and Dissertations
Identifier (type = RULIB)
ETD
Identifier
ETD_7477
PhysicalDescription
Form (authority = gmd)
electronic resource
InternetMediaType
application/pdf
InternetMediaType
text/xml
Extent
1 online resource (xxii, 160 p. : ill.)
Note (type = degree)
Ph.D.
Note (type = bibliography)
Includes bibliographical references
Subject (authority = ETD-LCSH)
Topic
Ions
Subject (authority = ETD-LCSH)
Topic
Surface active agents
Note (type = statement of responsibility)
by Changyao Liu
RelatedItem (type = host)
TitleInfo
Title
Graduate School - New Brunswick Electronic Theses and Dissertations
Identifier (type = local)
rucore19991600001
Location
PhysicalLocation (authority = marcorg); (displayLabel = Rutgers, The State University of New Jersey)
NjNbRU
Identifier (type = doi)
doi:10.7282/T3WM1GRD
Genre (authority = ExL-Esploro)
ETD doctoral
Back to the top

Rights

RightsDeclaration (ID = rulibRdec0006)
The author owns the copyright to this work.
RightsHolder (type = personal)
Name
FamilyName
Liu
GivenName
Changyao
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime (encoding = w3cdtf); (qualifier = exact); (point = start)
2016-08-09 20:43:26
AssociatedEntity
Name
Changyao Liu
Role
Copyright holder
Affiliation
Rutgers University. Graduate School - New Brunswick
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.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
Back to the top

Technical

RULTechMD (ID = TECHNICAL1)
ContentModel
ETD
OperatingSystem (VERSION = 5.1)
windows xp
CreatingApplication
Version
1.5
ApplicationName
MiKTeX pdfTeX-1.40.11
DateCreated (point = end); (encoding = w3cdtf); (qualifier = exact)
2016-08-09T20:41:20
DateCreated (point = end); (encoding = w3cdtf); (qualifier = exact)
2016-08-09T20:41:20
Back to the top
Version 8.5.5
Rutgers University Libraries - Copyright ©2024