Wilhelm R. Glomm

Works (5)

Updated: July 5th, 2023 16:00

2005 journal article

Detection of adsorption of Ru(II) and Os(II) polypyridyl complexes on gold and silver nanoparticles by single-photon counting emission measurements

JOURNAL OF PHYSICAL CHEMISTRY B, 109(2), 804–810.

By: W. Glomm n, S. Moses n, M. Brennaman  n, J. Papanikolas  n & S. Franzen n 

MeSH headings : Adsorption; Gold / chemistry; Metal Nanoparticles / chemistry; Organometallic Compounds / chemistry; Osmium / chemistry; Pyridines / chemistry; Ruthenium / chemistry; Sensitivity and Specificity; Silver / chemistry; Surface Properties; Time Factors; Tomography, Emission-Computed / methods
TL;DR: The results demonstrate that time-resolved spectroscopy provides a rapid method for the measurement of surface binding of labeled molecules on metallic nanoparticles. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2004 journal article

Cellular trajectories of peptide-modified gold particle complexes: Comparison of nuclear localization signals and peptide transduction domains

BIOCONJUGATE CHEMISTRY, 15(3), 482–490.

By: A. Tkachenko, H. Xie n, Y. Liu n, D. Coleman n, J. Ryan n, W. Glomm n, M. Shipton n, S. Franzen n , D. Feldheim n

MeSH headings : 3T3 Cells; Animals; Biological Transport, Active / physiology; Cell Line, Tumor; Cell Nucleus / drug effects; Cell Nucleus / metabolism; Gene Products, tat / chemistry; Gold / chemistry; Gold / pharmacokinetics; HeLa Cells; Humans; Macromolecular Substances; Mice; Nuclear Localization Signals / drug effects; Nuclear Localization Signals / metabolism; Peptides / chemistry; Peptides / pharmacokinetics; Protein Structure, Tertiary / physiology; Serum Albumin, Bovine / chemistry; Serum Albumin, Bovine / pharmacokinetics; Temperature; Transduction, Genetic
TL;DR: Video-enhanced color differential interference contrast microscopy and transmission electron microscopy indicated that transport of nanoparticles into the cytoplasm and nucleus depends on peptide sequence and cell line, and cellular uptake of Tat PTD peptide-gold nanoparticle conjugates was temperature dependent, suggesting an endosomal pathway of uptake. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2003 journal article

Critical flocculation concentrations, binding isotherms, and ligand exchange properties of peptide-modified gold nanoparticles studied by UV-visible, fluorescence, and time-correlated single photon counting spectroscopies

ANALYTICAL CHEMISTRY, 75(21), 5797–5805.

By: H. Xie n, A. Tkachenko, W. Glomm n, J. Ryan n, M. Brennaman  n, J. Papanikolas  n, S. Franzen  n, D. Feldheim n

MeSH headings : 2,2'-Dipyridyl / analogs & derivatives; 2,2'-Dipyridyl / chemistry; Amino Acid Sequence; Animals; Binding, Competitive; Cattle; Coordination Complexes; Dithionitrobenzoic Acid / chemistry; Flocculation; Fluorescamine / chemistry; Glutathione / chemistry; Gold Colloid / chemistry; Gold Colloid / metabolism; Kinetics; Ligands; Nanotechnology / methods; Particle Size; Peptides / chemistry; Protein Binding; Rhodamines / chemistry; Serum Albumin, Bovine / chemistry; Serum Albumin, Bovine / metabolism; Spectrometry, Fluorescence; Spectrophotometry; Spectrophotometry, Ultraviolet; Succinimides / chemistry; Sulfhydryl Compounds / chemistry
TL;DR: Protocols for modifying gold nanoparticles with peptide-bovine serum albumin (BSA) conjugates are described within and TCSPC has proven to be a powerful technique for observing the microenvironment of protein-gold nanoparticle conjugacy. (via Semantic Scholar)
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2003 journal article

Multifunctional gold nanoparticle-peptide complexes for nuclear targeting

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 125(16), 4700–4701.

By: A. Tkachenko, H. Xie n, D. Coleman n, W. Glomm n, J. Ryan n, M. Anderson n, S. Franzen n , D. Feldheim n

MeSH headings : Amino Acid Sequence; Cell Nucleus / metabolism; Gold / chemistry; Gold / pharmacokinetics; Humans; Molecular Sequence Data; Nanotechnology / methods; Oligopeptides / chemistry; Oligopeptides / pharmacokinetics; Particle Size; Serum Albumin, Bovine / chemistry; Serum Albumin, Bovine / pharmacokinetics; Tumor Cells, Cultured
TL;DR: The ability of peptide-modified gold nanoparticles to target the nucleus of HepG2 cells was explored and nuclear targeting was more efficient when the two signals were attached to nanoparticles as separate short pieces versus one long peptide. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2002 journal article

Optical properties of dye molecules adsorbed on single gold and silver nanoparticles

JOURNAL OF PHYSICAL CHEMISTRY A, 106(28), 6533–6540.

By: S. Franzen n , J. Folmer n, W. Glomm n & . R O'Neal

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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

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