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Work[remove]12

Resource type

Dissertation12

Creator

Audrey Theresa Gallagher1
Bradley Douglas Ulrich1
Can Xue1
Du, Kang1
Haley Diana Hill1
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Keyword

Inorganic Chemistry[remove]12
Biochemistry1
Bioinorganic Chemistry1
Computations1
MRI contrast agents1
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Chemistry12

Language

en2

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Biochemical, spectroscopic, and computational studies of metalloenzyme structure and mechanism

Description:

Metalloenzymes catalyze remarkable reactions in Nature using transition metal ions. Common earth-abundant metals like copper, iron, zinc, and magnesium catalyze reactions that are the basis of life. These metal sites lend their chemistries to facilitate these reactions, making studying the structure and properties important in understanding the enzymes' abilities and...

Keyword:

Metalloenzymes, Computations, Biochemistry, Physical Chemistry, Inorganic Chemistry, and Paramagnetic Spectroscopy

Subject:

Chemistry

Creator:

Jodts, Richard Jacob

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

08/23/2023

Date Created:

2023-01-01

Resource Type:

Dissertation

Alternate Identifier:

http://dissertations.umi.com/northwestern:16659 and etdadmin_upload_1001514
Design and Development of Biomarker-Responsive Transition Metal-Based Magnetic Resonance Imaging Probes

Description:

The invention of GdIII-based magnetic resonance imaging (MRI) probes substantially expanded the capability of MRI in visualizing details in tissue. Building upon the achievement of GdIII-based complexes, more ideal probes should feature contrast that is responsive to biomarkers, such as redox status and ion concentrations. The abnormality of these biomarkers...

Keyword:

Responsive probes, PARACEST, Paramagnetic NMR, MRI contrast agents, Inorganic Chemistry, and Bioinorganic Chemistry

Subject:

Chemistry

Creator:

Du, Kang

Owner:

Scholarly Digital Publishing

Language:

en

Date Uploaded:

02/12/2020

Date Created:

2018-01-01

Resource Type:

Dissertation

Alternate Identifier:

http://dissertations.umi.com/northwestern:14394 and etdadmin_upload_615839
Small Molecule Activation by Metalloporphyrin Complexes Isolated within Metal-Organic Frameworks

Description:

Contained in the following dissertation are detailed investigations regarding the thermodynamics of small molecule activation by metalloporphyrin complexes isolated within metal-organic frameworks (MOFs). Chapter 1 provides a description of the role metalloporphyrin complexes play in biological systems and the challenges associated with studying small molecule activation by metalloporphryin sites in...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Audrey Theresa Gallagher

Owner:

Scholarly Digital Publishing

Date Uploaded:

01/10/2019

Date Modified:

01/10/2019

Date Created:

2017-01-01

Resource Type:

Dissertation
Structure and Function of Coordination Sites in Metal Trafficking Proteins

Description:

Many metal ions are of critical importance in many cellular functions. The very properties of these metal ions that make them useful also make them toxic to the cell. In the course of evolution, many metal ion homeostasis systems have developed to provide balance between the necessity and toxicity of...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Lydia Finney

Owner:

Scholarly Digital Publishing

Date Uploaded:

10/03/2018

Date Modified:

10/03/2018

Date Created:

2008-10-08

Resource Type:

Dissertation
Peptide-Based Magnetic Resonance Imaging Probes for Detection of Enzyme Activity

Description:

Magnetic Resonance Imaging is a non-invasive modality that allows for deep-tissue imaging. Contrast agents decrease image acquisition time and increase the intrinsic contrast between different types of tissue. A new family of enzyme-activated contrast agents is emerging that has the ability to report on enzymatic processes in vivo. Towards this...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Bradley Douglas Ulrich

Owner:

Scholarly Digital Publishing

Date Uploaded:

10/02/2018

Date Modified:

10/02/2018

Date Created:

2008-12-03

Resource Type:

Dissertation
Polyvalent Oligonucleotide Gold Nanoparticle Conjugates: Versatile Nanostructures for Biodetection and Chemically Programmable Assembly

Description:

Polyvalent oligonucleotide functionalized gold nanoparticle conjugates (DNA-AuNPs) possess unusual properties, which derive from their particle and oligonucleotide subunits as well as their three-dimensional architectures. This dissertation explores the role each chemical component plays in the conjugate's architecture and assembly and recognition capabilities. It also describes their application as probes in...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Haley Diana Hill

Owner:

Scholarly Digital Publishing

Date Uploaded:

10/02/2018

Date Modified:

10/02/2018

Date Created:

2008-12-08

Resource Type:

Dissertation
Coordination Complexes for the Development of Zn(II)-Activated MR Imaging Probes

Description:

My thesis focuses on the design and synthesis of lanthanide coordination complexes as Zn(II)-responsive magnetic resonance imaging (MRI) contrast agents. These agents produce an increase in MR intensity upon binding of Zn(II) through water modulation to Gd(III) chelates. To this end, several Zn(II)-responsive contrast agents have been synthesized and studied...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Jody L Major

Owner:

Scholarly Digital Publishing

Date Uploaded:

09/11/2018

Date Modified:

09/11/2018

Date Created:

2008-05-09

Resource Type:

Dissertation
Cation-Anion Interactions in Solid State Oxide Fluorides

Description:

The early transition metal oxide fluoride molecular anions with the general formula [MOxF6-x]n- with x = 1 for M = V5+, Nb5+, Ta5+ (n = 2) and x = 2 for M = Mo6+, W6+ (n = 2) feature distorted octahedral coordinations, that arise from electronic dπ pπ metal oxide...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Michael Robert Marvel

Owner:

Scholarly Digital Publishing

Date Uploaded:

09/08/2018

Date Modified:

09/08/2018

Date Created:

2008-05-02

Resource Type:

Dissertation
Structures and functions of new copper receptor proteins controlling gene regulation and metal trafficking

Description:

Copper serves as a cofactor for many proteins and enzymes involved in important biological processes, but at the same time, excessive copper is toxic to cell. Thus, the intracellular copper concentration must be tightly controlled such that copper is provided to essential enzymes but does not accumulate to toxic levels....

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Yi Xue

Owner:

Scholarly Digital Publishing

Date Uploaded:

09/06/2018

Date Modified:

09/06/2018

Date Created:

2007-12-21

Resource Type:

Dissertation
Bimetallic Effects in the Homopolymerization of Styrene and Copolymerization of Ethylene and Styrenic Comonomers. Scope, Kinetics, and Mechanism/Catalytic In Situ Synthesis of High Energy Storage Density Metal Oxide-Polyolefin Nanocomposites Using Supported Metallocenes. Systematics of Nanoparticle, Shape, and Interfacial Characteristics on Leakage Current Density, Permittivity, and Breakdown Strength

Description:

Chapter 1 describes the homopolymerization of styrene and the copolymerization of ethylene and styrenic comonomers mediated by the single-site bimetallic "constrained geometry catalysts" (CGCs), (µ-CH2CH2-3,3'){(η5-indenyl)[1-Me2Si(tBuN)](TiMe2)}2 [EBICGC(TiMe2)2; Ti2], (µ-CH2CH2-3,3'){(η5-indenyl)[1-Me2Si(tBuN)](ZrMe2)}2 [EBICGC(ZrMe2)2; Zr2], (µ-CH2-3,3'){(η5-indenyl)[1-Me2Si(tBuN)](TiMe2)}2 [MBICGC(TiMe2)2; C1-Ti2], and (µ-CH2-3,3'){(η5-indenyl)[1-Me2Si(tBuN)](ZrMe2)}2 [MBICGC(ZrMe2)2; C1-Zr2], in combination with the borate activator/cocatalyst Ph3C+B(C6F5)4- (B1). Under identical styrene homopolymerization conditions,...

Keyword:

Inorganic Chemistry

Subject:

Chemistry

Creator:

Neng Guo

Owner:

Scholarly Digital Publishing

Date Uploaded:

08/30/2018

Date Modified:

08/30/2018

Date Created:

2007-10-01

Resource Type:

Dissertation

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