Search Results - "DEINZER, Max L"

Tandem Mass Spectrometry for Sequencing Proanthocyanidins by Li, Hui-Jing, Deinzer, Max L

“…Proanthocyanidins (PAs) are a group of bioflavonoids consisting of oligomers based on catechin monomeric units. These polyphenolic compounds are widely…”
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Solvent-Free MALDI-MS for the Analysis of a Membrane Protein via the Mini Ball Mill Approach:  Case Study of Bacteriorhodopsin by Trimpin, Sarah, Deinzer, Max L

“…A mini ball mill (MBM) solvent-free matrix-assisted laser desorption/ionization (MALDI) mass spectrometry (MS) method allows for the analysis of…”
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Structural Identification and Distribution of Proanthocyanidins in 13 Different Hops by Li, Hui-Jing, Deinzer, Max L

“…Ten newly isolated hop proanthocyanidin oligomers and flavan-3-ol monomers from 13 different hops have been identified as gallocatechin,…”
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Antioxidant and Prooxidant Actions of Prenylated and Nonprenylated Chalcones and Flavanones in Vitro by Miranda, Cristobal L, Stevens, Jan F, Ivanov, Vadim, McCall, Mark, Frei, Balz, Deinzer, Max L, Buhler, Donald R

“…Prenylated flavonoids found in hops and beer, i.e., prenylchalcones and prenylflavanones, were examined for their ability to inhibit in vitro oxidation of…”
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Protein conformations, interactions, and H/D exchange by Maier, Claudia S, Deinzer, Max L

“…Modern mass spectrometry (MS) is well known for its exquisite sensitivity in probing the covalent structure of macromolecules, and for that reason, it has…”
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Mass Spectrometric Approaches Using Electrospray Ionization Charge States and Hydrogen-Deuterium Exchange for Determining Protein Structures and Their Conformational Changes by Yan, Xuguang, Watson, Jeffrey, Ho, P Shing, Deinzer, Max L

“…Electrospray ionization (ESI) mass spectrometry (MS) is a powerful analytical tool for elucidating structural details of proteins in solution especially when…”
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Quantitative analysis of xanthohumol and related prenylflavonoids in hops and beer by liquid chromatography–tandem mass spectrometry by Stevens, Jan F, Taylor, Alan W, Deinzer, Max L

“…A method for quantitation of six prenylflavonoids (xanthohumol, isoxanthohumol, desmethylxanthohumol, 6- and 8-prenylnaringenins and 6-geranylnaringenin) in…”
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Hop (Humulus lupulus L.) Proanthocyanidins Characterized by Mass Spectrometry, Acid Catalysis, and Gel Permeation Chromatography by Taylor, Alan W, Barofsky, Elizabeth, Kennedy, James A, Deinzer, Max L

“…Proanthocyanidins extracted from hops (Humulus lupulus L. cv. Willamette) were subjected to Sephadex LH-20 column chromatography using a step gradient of…”
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Solvent-free MALDI-MS for the analysis of biological samples via a mini-ball mill approach by Trimpin, Sarah, Deinzer, Max L.

“…An efficient, low sample load mini-ball mill (MBM) sample preparation procedure was developed for solvent-free MALDI analysis of peptides and proteins…”
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Immunomodulatory effects of holothurian triterpene glycosides on mammalian splenocytes determined by mass spectrometric proteome analysis by Aminin, Dmitri L., Koy, Conelia, Dmitrenok, Pavel S., Müller-Hilke, Brigitte, Koczan, Dirk, Arbogast, Brian, Silchenko, Aleksandra A., Kalinin, Vladimir I., Avilov, Sergey A., Stonik, Valentin A., Collin, Peter D., Thiesen, Hans-Juergen, Deinzer, Max L., Glocker, Michael O.

“…Spleen is a prime organ in which immuno-stimulation takes place in mammalians. Proteome analysis was used to investigate the elicited effects on mouse…”
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Fate of Xanthohumol and Related Prenylflavonoids from Hops to Beer by Stevens, Jan F, Taylor, Alan W, Clawson, Jeff E, Deinzer, Max L

“…The fate of three prenylated flavonoids of the chalcone type, xanthohumol, desmethylxanthohumol, and 3‘-geranylchalconaringenin, was monitored with LC/MS-MS…”
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Dynamics and Ligand-Induced Solvent Accessibility Changes in Human Retinoid X Receptor Homodimer Determined by Hydrogen Deuterium Exchange and Mass Spectrometry by Yan, Xuguang, Broderick, David, Leid, Mark E, Schimerlik, Michael I, Deinzer, Max L

“…Receptors for retinoic acid act as ligand activated transcription factors. The three-dimensional structure of the retinoid X receptor (RXR) ligand binding…”
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Identification and in Vitro Biological Activities of Hop Proanthocyanidins:  Inhibition of nNOS Activity and Scavenging of Reactive Nitrogen Species by Stevens, Jan F, Miranda, Cristobal L, Wolthers, Kirsten R, Schimerlik, Michael, Deinzer, Max L, Buhler, Donald R

“…Oligomeric proanthocyanidins constitute a group of water-soluble polyphenolic tannins that are present in the female inflorescences (up to 5% dry wt) of the…”
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Prenylflavonoids from Hops Inhibit the Metabolic Activation of the Carcinogenic Heterocyclic Amine 2-Amino-3-methylimidazo[4,5-f]quinoline, Mediated by cDNA-Expressed Human CYP1A2 by MIRANDA, Cristobal L, YANG, Yea-Huey, HENDERSON, Marilyn C, STEVENS, Jan F, SANTANA-RIOS, Gilberto, DEINZER, Max L, BUHLER, Donald R

“…The heterocyclic amine 2-amino-3-methylimidazo[4,5- f ]quinoline (IQ) is a potential human carcinogen found in cooked food that requires initial metabolic…”
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Equilibrium unfolding of the retinoid X receptor ligand binding domain and characterization of an unfolding intermediate by Harder, Mark E., Malencik, Dean A., Yan, Xuguang, Broderick, David, Leid, Mark, Anderson, Sonia R., Deinzer, Max L., Schimerlik, Michael I.

“…The retinoid X receptor (RXR) is a ligand-activated transcription factor that plays an important role in growth and development and the maintenance of cellular…”
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Solvent-free MALDI-MS for the Analysis of β-Amyloid Peptides via the Mini-Ball Mill Approach: Qualitative and Quantitative Advances by Trimpin, Sarah, Deinzer, Max L.

“…Manual and automated solvent-free mini-ball mill (MBM) matrix-assisted laser desorption/ionization (MALDI) analysis of mixtures of β-amyloid peptides ( 1-11),…”
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Glycosides from the North Atlantic sea cucumber Cucumaria frondosa V - Structures of five new minor trisulfated triterpene oligoglycosides, frondosides A7-1, A7-2, A7-3, A7-4, and isofrondoside C by Silchenko, Alexandra S, Avilov, Sergey A, Kalinovsky, Anatoly I, Dmitrenok, Pavel S, Kalinin, Vladimir I, Morre, Jeffrey, Deinzer, Max L, Woodward, Carl, Collin, Peter D

“…Seven highly polar trisulfated triterpene glycosides belonging to the frondoside A 7 group have been isolated from the North Atlantic sea cucumber Cucumaria…”
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Radio-Frequency-Free Cell for Electron Capture Dissociation in Tandem Mass Spectrometry by Voinov, Valery G, Deinzer, Max L, Barofsky, Douglas F

“…A radio frequency-free (RFF), analyzer-independent cell has been devised for electron-capture dissociation (ECD) of ions. The device is based on interleaving a…”
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Electron Capture, Collision-Induced, and Electron Capture-Collision Induced Dissociation in Q-TOF by Voinov, Valery G., Deinzer, Max L., Beckman, Joseph S., Barofsky, Douglas F.

“…Recently, we demonstrated that a radio-frequency-free electromagnetostatic (rf-free EMS) cell could be retrofitted into a triple quad mass spectrometer to…”
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mass spectral analysis of isolated hops A-type proanthocyanidins by electrospray ionization tandem mass spectrometry by Li, Hui-Jing, Deinzer, Max L

“…Comprehensive mass spectral fragmentation patterns have been established for sequencing chromatographically isolated A-type proanthocyanidins (PAs) using…”
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