Works Published in 2005

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Displaying works 61 - 80 of 219 in total

Sorted by most recent date added to the index first, which may not be the same as publication date order.

2005 journal article

Low power upconversion using MLCT sensitizers

Chemical Communications, (30), 3776.

By: R. Islangulov*, D. Kozlov* & F. Castellano*

Contributors: R. Islangulov*, D. Kozlov* & F. Castellano*

TL;DR: Selective low energy excitation of the metal-to-ligand charge transfer (MLCT) transition in [Ru(dmb)(3)](2+)(dmb = 4,4'-dimethyl-2,2'-bipyridine) in the presence of anthracene or 9,10-diphenylanthracene yields easily visualized upconverted singlet fluorescence resulting from triplet-triplet annihilation at low excitation power. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 28, 2020

2005 journal article

Green Photoluminescence from Platinum(II) Complexes Bearing Silylacetylide Ligands

Inorganic Chemistry, 44(3), 471–473.

By: F. Hua*, S. Kinayyigit*, J. Cable* & F. Castellano*

Contributors: F. Hua*, S. Kinayyigit*, J. Cable* & F. Castellano*

UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Crossref, ORCID, NC State University Libraries
Added: August 28, 2020

2005 journal article

Synthesis of Homoallylic Amines by Hydrozirconation−Imine Addition of Allenes

Organic Letters, 7(16), 3537–3540.

TL;DR: Hydrozirconation of allenes followed by in situ transmetalation to dialkylzinc leads to the formation of an allylic zinc species that, upon addition of aldimines to the reaction mixture, provides homoallylic amines in 64-85% yield. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Silver(I)-Catalyzed Addition of Zirconocenes to Glycal Epoxides. A New Synthesis of α-C-Glycosides

Organic Letters, 7(3), 483–485.

By: P. Wipf*, J. Pierce* & N. Zhuang*

MeSH headings : Catalysis; Epoxy Compounds / chemical synthesis; Glycosides / chemical synthesis; Indicators and Reagents; Molecular Conformation; Organometallic Compounds / chemistry; Silver / chemistry; Stereoisomerism; Zirconium / chemistry
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Mechanism for Reduction Catalysis by Metal Oxo:  Hydrosilation of Organic Carbonyl Groups Catalyzed by a Rhenium(V) Oxo Complex

Journal of the American Chemical Society, 127(44), 15374–15375.

By: E. Ison*, E. Trivedi*, R. Corbin* & M. Abu-Omar*

TL;DR: The rhenium oxo complex catalyzes the hydrosilation of aldehydes and ketones under ambient temperature and atmosphere and a viable mechanism that is consistent with experimental findings, rate measurements, and kinetic isotope effects is proposed. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Mapping Sites of Protein Phosphorylation by Mass Spectrometry Utilizing a Chemical-Enzymatic Approach:  Characterization of Products from α-S1Casein Phosphopeptides

Journal of Proteome Research, 4(2), 424–434.

author keywords: chemical-enzymatic; phosphorylation; 2-aminoethanethiol; isotope dilution mass spectrometry; phosphoproteins; phosphopeptides; quantification
MeSH headings : Amino Acid Sequence; Animals; Caseins / metabolism; Cattle; Molecular Sequence Data; Peptide Fragments / metabolism; Phosphopeptides / metabolism; Phosphorylation; Spectrometry, Mass, Electrospray Ionization / methods
TL;DR: ESI-TOF mass spectrometry was used to characterize products from the chemical-enzymatic cleavage of specific phosphorylation sites in bovine alpha-S1 casein and synthetic phosphopeptides containing substitutions at a single phosphorylated site. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Protein expression profiling of CLL B cells using replicate off-line strong cation exchange chromatography and LC–MS/MS

Journal of Chromatography B, 819(1), 33–39.

By: D. Barnidge*, R. Tschumper*, D. Jelinek*, D. Muddiman* & N. Kay*

author keywords: CLL; 2D-LC-MS/MS; B cell; expression profiling; off-line SCX; reproducibility
MeSH headings : Antigens, CD / isolation & purification; B-Lymphocytes / metabolism; Blood Proteins / isolation & purification; Cell Fractionation; Cell Membrane / chemistry; Chromatography, Ion Exchange / methods; Chromatography, Liquid / methods; Gene Expression Profiling / methods; Humans; Leukemia, Lymphocytic, Chronic, B-Cell / metabolism; Mass Spectrometry / methods; Neoplasm Proteins / blood
TL;DR: Examination of crude membranes from B cells derived from a patient with chronic lymphocytic leukemia to examine the protein expression profile of CLL B cells shows an overlap of 64% between proteins identified in replicate runs was achieved for this system. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Déjà Vu All Over Again: Skin Cap Still Contains a High-Potency Glucocorticosteroid

Archives of Dermatology, 141(6).

By: D. Swanson, M. Pittelkow, L. Benson, A. Hawkridge & D. Muddiman*

MeSH headings : Administration, Topical; Adrenal Cortex Hormones / adverse effects; Adrenal Cortex Hormones / chemistry; Adrenal Cortex Hormones / therapeutic use; Chemistry, Pharmaceutical; Dermatologic Agents / adverse effects; Dermatologic Agents / pharmacology; Dermatologic Agents / therapeutic use; Female; Humans; Male; Materials Testing; Psoriasis / diagnosis; Psoriasis / drug therapy; Risk Assessment; Sensitivity and Specificity
Sources: Crossref, NC State University Libraries
Added: August 28, 2020

2005 journal article

Flow Control through Polymer-Grafted Smart Nanofluidic Channels:  Molecular Dynamics Simulations

Nano Letters, 5(12), 2509–2514.

By: S. Adiga n & D. Brenner n

MeSH headings : Computer Simulation; Computer-Aided Design; Equipment Design; Equipment Failure Analysis; Microfluidics / instrumentation; Microfluidics / methods; Models, Chemical; Models, Molecular; Motion; Nanotechnology / instrumentation; Nanotechnology / methods; Polymers / chemistry; Solvents / chemistry
TL;DR: Results of molecular dynamics simulations demonstrate flow gating through a polymer-grafted nanopore as a function of effective solvent quality and establish a critical starting point in nanofluidics from which continuum modeling can be developed to design this emerging class of smart nanoporous materials with tailor-made properties. (via Semantic Scholar)
Source: Crossref
Added: August 28, 2020

2005 journal article

Synthesis and Reactivity of Molybdenum(IV) Complexes with Alkyl and Aryl Isocyanides

Organometallics, 24(26), 6310–6318.

By: E. Ison*, C. Ortiz*, K. Abboud* & J. Boncella*

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Hydrogen Production from Hydrolytic Oxidation of Organosilanes Using a Cationic Oxorhenium Catalyst

Journal of the American Chemical Society, 127(34), 11938–11939.

By: E. Ison*, R. Corbin* & M. Abu-Omar*

TL;DR: The novel application of a transition metal oxo complex, a cationic oxorhenium(V) oxazoline, in the production of molecular hydrogen (H2) from the catalytic hydrolytic oxidation of organosilanes is described. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Quantitative mass spectral evidence for the absence of circulating brain natriuretic peptide (BNP-32) in severe human heart failure

Proceedings of the National Academy of Sciences, 102(48), 17442–17447.

By: A. Hawkridge*, D. Heublein*, H. Bergen*, A. Cataliotti*, J. Burnett* & D. Muddiman*

author keywords: biomarkers; electrospray ionization; Fourier transform-ion cyclotron resonance MS; immunoaffinity purification; targeted proteomics
MeSH headings : Chromatography, Liquid; Female; Heart Failure / metabolism; Humans; Isotope Labeling; Male; Mass Spectrometry; Natriuretic Peptide, Brain / blood; Natriuretic Peptide, Brain / isolation & purification
TL;DR: An immunoaffinity purification assay is developed and used to isolate endogenous BNP-32 from New York Heart Association class IV patient plasma for subsequent analysis by nano-liquid chromatography (LC) electrospray ionization Fourier transform ion cyclotron resonance (FT-ICR) MS. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Evaluation of Protein Depletion Methods for the Analysis of Total-, Phospho- and Glycoproteins in Lumbar Cerebrospinal Fluid

Journal of Proteome Research, 4(3), 837–845.

By: Y. Ogata*, M. Charlesworth* & D. Muddiman*

author keywords: cerebrospinal fluid; human; two-dimensional gel electrophoresis; mass spectrometry; glycoprotein; phosphoprotein; protein depletion; low-abundance protein
MeSH headings : Adult; Aged; Cerebrospinal Fluid Proteins / analysis; Cerebrospinal Fluid Proteins / classification; Cerebrospinal Fluid Proteins / isolation & purification; Chromatography, Affinity; Electrophoresis, Gel, Two-Dimensional; Female; Fluorescent Dyes; Glycoproteins / cerebrospinal fluid; Glycoproteins / isolation & purification; Humans; Immunoglobulins; Male; Mass Spectrometry; Methods; Microspheres; Middle Aged; Phosphoproteins / cerebrospinal fluid; Phosphoproteins / isolation & purification
TL;DR: Phospho- and glycoprotein specific fluorescent stains and mass spectrometry were used to map proteins from CSF on two-dimensional gel electropherograms after immunoaffinity based protein removal, and fifty proteins were identified from 66 spots, and 12 proteins have not been annotated in previously published 2D gels. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Coordination-Driven Self-Assemblies with a Carborane Backbone

Journal of the American Chemical Society, 127(34), 12131–12139.

By: H. Jude*, H. Disteldorf*, S. Fischer*, T. Wedge*, A. Hawkridge*, A. Arif*, M. Hawthorne*, D. Muddiman*, P. Stang*

MeSH headings : Boranes / chemistry; Crystallography, X-Ray; Isotope Labeling; Magnetic Resonance Spectroscopy; Molecular Structure; Pyridines / chemistry; Spectrometry, Mass, Electrospray Ionization
TL;DR: Isotopically resolved mass spectrometry data confirm the existence of the rectangle, triangle, and hexagon, and NMR data are consistent with the formation of all five assemblies. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Gentle Protein Ionization Assisted by High-Velocity Gas Flow

Analytical Chemistry, 77(19), 6174–6183.

By: P. Yang*, R. Cooks, Z. Ouyang, A. Hawkridge & D. Muddiman*

MeSH headings : Cytochromes c / chemistry; Hydrogen-Ion Concentration; Ions / chemistry; Myoglobin / chemistry; Proteins / chemistry; Spectrometry, Mass, Electrospray Ionization / instrumentation; Spectrometry, Mass, Electrospray Ionization / methods; Ubiquitin / chemistry
TL;DR: Evidence is provided for the importance of the conditions used in the desolvation process for the preservation of the protein conformation and suggest that the conditions achieved when using high-velocity gas flows to assist droplet evaporation and ion Desolvation are much gentler than those in conventional ESI experiments. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Statistical Evaluation of Internal and External Mass Calibration Laws Utilized in Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Analytical Chemistry, 77(8), 2406–2414.

MeSH headings : Calibration; Cyclotrons; Data Interpretation, Statistical; Fourier Analysis; Polymers / analysis; Polymers / chemistry; Propylene Glycols / analysis; Propylene Glycols / chemistry; Quaternary Ammonium Compounds / chemistry; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Mass, Electrospray Ionization / methods
TL;DR: The statistical evaluation of two common and three new calibration laws utilized in Fourier transform ion cyclotron resonance mass spectrometry are presented and the number of calibrant ions as well as their required m/z range is investigated in order to successfully achieve high MMA. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Derivatives of pentamidine designed to target the Leishmania lipophosphoglycan

Tetrahedron Letters, 46(4), 695–698.

By: K. Kramp*, K. DeWitt*, J. Flora*, D. Muddiman*, K. Slunt* & T. Houston*

author keywords: boronate drug targeting; pentamidine; Leishmania
TL;DR: Pentamidine has been modified with boronic acids so that it might bind more selectively to the phosphodisaccharide repeating unit of the LPG, which could serve to target the drug to the protozoan surface and increase its efficacy in vivo. (via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being (OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Leveling response factors in the electrospray ionization process using a heated capillary interface

Journal of the American Society for Mass Spectrometry, 16(5), 772–778.

By: J. Frahm*, D. Muddiman* & M. Burke*

MeSH headings : Capillary Action; DNA / analysis; DNA / chemistry; Equipment Design; Equipment Failure Analysis; Hot Temperature; Humans; Specimen Handling / instrumentation; Specimen Handling / methods; Spectrometry, Mass, Electrospray Ionization / instrumentation; Spectrometry, Mass, Electrospray Ionization / methods
TL;DR: The implementation of a heated electrospray source was used to denature amplicons containing 7-deaza purines, which can be used to facilitate sequencing by mass spectrometry. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Normalization of relative peptide ratios derived from in-gel digests: applications to protein variant analysis at the peptide level

Rapid Communications in Mass Spectrometry, 19(19), 2871–2877.

By: H. Bergen*, D. Muddiman*, J. O'Brien* & J. Hoyer*

MeSH headings : Algorithms; Chromatography, High Pressure Liquid / methods; Gas Chromatography-Mass Spectrometry / methods; Gas Chromatography-Mass Spectrometry / standards; Humans; Osmotic Fragility; Peptide Mapping / methods; Peptide Mapping / standards; Reference Values; Reproducibility of Results; Sensitivity and Specificity; Spectrin / analysis; Spectrin / chemistry; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization / methods
TL;DR: A strategy was developed to normalize for sample variability due to ionization efficiency, solvent effects, digestion and extraction efficiency by utilizing multiple isotopically labeled internal standards for multiple peptides derived from the same protein. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

2005 journal article

Effect of post-excitation radius on ion abundance, mass measurement accuracy, and isotopic distributions in Fourier transform ion cyclotron resonance mass spectrometry

Rapid Communications in Mass Spectrometry, 19(7), 915–918.

By: A. Hawkridge*, A. Nepomuceno*, S. Lovik*, C. Mason* & D. Muddiman*

MeSH headings : Bradykinin / analysis; Ions; Isotopes; Reproducibility of Results; Spectroscopy, Fourier Transform Infrared / instrumentation; Spectroscopy, Fourier Transform Infrared / methods; Tritium
TL;DR: The findings presented herein underscore the importance of determining the optimal post-excitation radius in FT-ICR-MS to achieve high ion abundance (low limits of detection), high MMA, and valid isotopic distributions. (via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 24, 2020

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