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Topic Area: Drugs/Pharmaceuticals
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Displaying records 21 to 30 of 48 records.
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21. A Lectin-Based Gold Nanoparticle Assay for Probing Glycosylation of Glycoproteins
Topic: Drugs/Pharmaceuticals
Published: 4/17/2012
Authors: Germarie Sanchez-Pomales, Todd A. Morris, James Falabella, Michael J Tarlov, Rebecca A Zangmeister
Abstract: We report a glycoanalysis method in which lectins are used to probe the glycans of glycoproteins that are adsorbed on gold nanoparticles. A model mannose-presenting glycoprotein, ribonuclease B (RNase B), and the therapeutic monoclonal antibody (mAb) ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909549

22. Tumor Necrosis Factor Interaction with Gold Nanoparticles
Topic: Drugs/Pharmaceuticals
Published: 3/14/2012
Authors: De-Hao D. Tsai, Sherrie R. Elzey, Frank W DelRio, Robert I. MacCuspie, Suvajyoti S. Guha, Michael Russel Zachariah, Athena M Keene, Jeffrey D Clogston, Vincent A Hackley
Abstract: We report on a systematic investigation of molecular conjugation of tumor necrosis factor protein-α (TNF) onto gold nanoparticles (AuNPs) and the subsequent binding behavior to its antibody (anti-TNF). We employ a combination of physical and spe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909899

23. Standards for the Optical Detection of Protein Particulates
Topic: Drugs/Pharmaceuticals
Published: 1/23/2012
Authors: Dean C Ripple, Michael J Carrier, Joshua R. Wayment
Abstract: Particulates in protein therapeutics, composed of agglomerated protein monomers, may cause an immunogenic response in patients. Consequently, industry and the FDA desire more accurate methods for counting and characterizing particulates. Unlike lik ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908731

24. Predictive Gold Nanocluster Formation Controlled by Metal-Ligand Complexes
Topic: Drugs/Pharmaceuticals
Published: 1/9/2012
Authors: John M Pettibone, Jeffrey W Hudgens
Abstract: The formation of ligand-protected transition metal nanoclusters in size-selective syntheses is driven by the inherent properties of the protecting ligands. We have previously reported the selective, monodisperse product formation of phosphine protect ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908225

25. A Streamlined Hydrolysis Procedure for the LC/MS/MS Analysis of Cocaine in Wastewater Samples
Topic: Drugs/Pharmaceuticals
Published: 1/2/2012
Authors: Katrice A Lippa, Kevin Bisceglia, A. Lynn Roberts
Abstract: We report a streamlined procedure for the routine analysis of cocaine in municipal wastewater. By adding NaOH (to 0.025 M) and incubating wastewater samples at 55 °C for two hours, cocaine and its principal metabolites are quantitatively converted i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903657

26. Recent Advances in Electrochemical Glyco-biosensing
Topic: Drugs/Pharmaceuticals
Published: 4/8/2011
Authors: Rebecca A Zangmeister, Germarie Sanchez-Pomales
Abstract: Biosensors based on electrochemical transduction mechanisms have recently made advances into the field of glycan analysis. These glyco-biosensor assays offer simple, rapid, sensitive and economical approaches to the measurement need for rapid glycan ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908197

27. A Comprehensive LC/MS/MS Method for the Determination of Cocaine and Other Drugs of Abuse in Municipal Wastewater: I. Quantification via SPE and Direct Injection
Topic: Drugs/Pharmaceuticals
Published: 9/24/2010
Authors: Katrice A Lippa, Michele M Schantz, A. Lynn Roberts, Kevin Bisceglia
Abstract: We present an isotopic dilution direct injection reverse phase liquid chromatography-tandem mass spectrometry (RPLC/MS/MS) method for the simultaneous determination of 23 drugs of abuse, drug metabolites, and human use markers in municipal wastewater ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903656

28. Quantification of Drugs of Abuse in Municipal Wastewater via SPE and Direct Injection Liquid Chromatography Mass Spectrometry
Topic: Drugs/Pharmaceuticals
Published: 9/24/2010
Authors: Michele M Schantz, Katrice A Lippa, Kevin Bisceglia, A. Lynn Roberts
Abstract: We present an isotopic dilution direct injection reverse phase liquid chromatography-tandem mass spectrometry (RPLC/MS/MS) method for the simultaneous determination of 23 drugs of abuse, drug metabolites, and human use markers in municipal wastewater ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904046

29. Fluorinated Copolymer Nanoparticles for Multimodal Imaging Applications
Topic: Drugs/Pharmaceuticals
Published: 2/18/2010
Authors: Mark M. Bailey, Christine M. Mahoney, Elodie Dempah, Jeffrey M Davis, Matthew Becker, Supang Khondee, Eric J. Munson, Cory J. Berkland
Abstract: Nanomaterials have emerged as valuable tools in biomedical imaging techniques, such as magnetic resonance imaging (MRI), fluorescence, positron emission tomography (PET), and others. Some have been designed to serve as multimodal imaging agents, com ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902813

30. Isolation, Purification, and Full NMR Assignments of cyclopamine from Veratrum californicum
Topic: Drugs/Pharmaceuticals
Published: 6/24/2009
Authors: Daniel W Bearden, John E. Oatis, Pam Brunsfeld, James W. Rushing, Peter D. Moeller, Thomas N. Gallien, George W. Cooper
Abstract: The Hedgehog (Hh) signaling pathway is essential for embryogenesis and tissue homeostasis in the adult. However, it may also induce malignancies in a number of tissues when constitutively activated, and it also may have a role in other forms of nor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832291



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