Summary:  F NMR to the analysis of plant tissue extracts also suggests that in vivo 19F NMR spectroscopy may... of high resolution 1H and 19F NMR imaging for mapping agrochemicals in tissues is still in its infancy... . ...

Source: Hemminga, Marcus A. - Department of Molecular Physics, Wageningen Universiteit

Collection: Physics ; Biology and Medicine

Summary:  polluting chemicals have been unravelled using NMR. For this aspect of cellular metabolism, 19F... to study a whole range of processes relevant to environmental engi- neering. The NMR techniques currently... in the NMR literature are introduced. The use of ...

Source: Hemminga, Marcus A. - Department of Molecular Physics, Wageningen Universiteit

Collection: Physics ; Biology and Medicine

Summary:  -resolution solution 19 F [7­13] NMR, 31 P [3,14­17] NMR methods have been extensively used to study fluoride... and 19 F­31 P HETCOR NMR should be a powerful tool in the future to study the structure ...

Source: Huang, Jianbin - College of Chemistry, Peking University

Collection: Chemistry

Summary:  19 F NMR Introduction For biophysical studies involving protein­anesthetic inter- action, anesthetic... was added to the SDS solution in a 5-mm NMR tube (Fig. 1) for 19 F NMR studies. For experiments with ...

Source: Mandal, Pravat K. - National Brain Research Centre (India)

Collection: Biology and Medicine

Summary:  of this Letter is to investigate the effect of the 23 5U enrichment on the 19F NMR spectra in gaseous UF6. Using... .1051/jphyslet:019850046011049300 #12;L-494 JOURNAL DE PHYSIQUE - LETTRES 19F NMR parameters on the 23-5U... in the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  have recently been described that use 19 F-containing compounds21,22 or the displacement of known low... -affinity inhibitors or a large library of druglike and structurally diverse 19 F-containing compounds... linewidths (F). All binding studies performed with these solutions were ...

Source: Powers, Robert - Department of Chemistry, University of Nebraska-Lincoln

Collection: Chemistry

Summary:  . Cho and J. P. Yesinowski, 1H and 19F multiple-quantum NMR dynam- ics in quasi-one-dimensional spin... . Gleason, A. Pines, A. N. Garroway, and J. A. Reimer, Multiple-quantum NMR-study of clustering... in hydrogenated amorphous- silicon, Phys. Rev. Lett. 56, 1377­1380 (1986). 8. J. Baum and A. Pines, ...

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  a variety of 27 Al and 19 F MAS NMR studies were also undertaken; quantitative 27 Al-19 F dipolar coupling... anisotropies, and not from different crystallographic sites. Yet all the 19F NMR ...

Source: Frydman, Lucio - Department of Chemical Physics, Weizmann Institute of Science

Collection: Chemistry

Summary:  in biological systems enables 19F NMR studies without background signal interfer- ence. Furthermore... to the TAR RNA8 have been studied by 19 F NMR by incorporation of fluorinated nucleosides (1 and/or 2, Scheme... A ...

Source: Sigurdsson, Snorri Thor - Chemistry Division, Science Institute, University of Iceland.

Collection: Chemistry

Summary:  , but this is changing. - NMR is especially useful for studying protein complexes - 13% of protein structures deposited... : Those with odd mass numbers have "spin 1/2", e.g. 1H, 15N, 13C, 31P, 19F. Those with even mass numbers... Solving protein structures by NMR Qinghua Wang 1232B LGRT ...

Source: Hardy, Jeanne - Department of Chemistry, University of Massachusetts at Amherst

Collection: Chemistry

Summary:  Award: $1,228,768 Dates: July 1, 2010 ­ June 30, 2015 In-cell NMR technology to study protein... with in vitro studies of the modified protein complexes. 2) Develop STINT-NMR for eukaryotic cells to test... -cell NMR-based technology for mapping the STructural changes that accompany ...

Source: Knuth, Kevin H. - Department of Physics, State University of New York at Albany

Collection: Physics

Summary:  . Subsequent solid-state NMR investigation of the 13 C- and/or 19 F-labelled analogues allowed internuclear... -state and solid-state NMR studies of ligand­target interactions. The availability of stronger magnetic fields... in structural studies ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S-17 19 F RI-NMR of LDA Enolization of 1 Equivalent of 4-Fluoroacetophenone at -120 º... -fluorophenyl)ethanone (9) was prepared and utilized to reduce the line width of the 19 F NMR signals. Low... (* ...

Source: Reich, Hans J. - Department of Chemistry, University of Wisconsin at Madison

Collection: Chemistry

Summary:  for homonuclear 2D 1 H NMR studies of proteins are described. A brief survey of the general strategy... for structural studies of proteins by 2D NMR is included. The main part of the paper discusses guidelines... profitably been used for studies of proteins are shown in Fig. 1 (1-3, ...

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

Collection: Biotechnology ; Biology and Medicine

Summary:  , solid state, and micro-imaging NMR capabilities. The NMR console is equipped with 1 H/19 F solid state... for structural and functional studies of the protein. Although solution NMR rarely requires a wide bore magnet... direct studies of these ...

Source: Weston, Ken - Department of Chemistry and Biochemistry, Florida State University

Collection: Chemistry

Summary:  :45 Elizabeth Hounsell, Birkbeck University of London "NMR studies of glycosylation in health and disease" 3... studies of proteins" 9:50 Eva Lenz, AstraZeneca, "1 H NMR based metabonomic studies of urine and plasma... BUILDING FOR BIOMOLECULAR NMR SPECTROSCOPY ...

Source: Birmingham, University of - School of Psychology, Sensory Motor Neuroscience Centre

Collection: Biology and Medicine

Summary:  history, primarily in early stages of drug discovery. Most of these NMR studies have been performed... delay is dependent upon the T1 of the abundant nuclei I (1 H, 19 F, etc.). This lead also... ­ PART I 22 8. Goc R, Ponnusamy E, Tritt-Goc J, Fiat D. 1988. 17 O n.m.r. ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  19 F NMR Studies of the Native and Denatured States of Green Fluorescent Protein Farid Khan,, Ilya... progress has been made on the study of proteins using 19F NMR.12-17 A distinctive feature of ...

Source: Jackson, Sophie - Department of Chemistry, University of Cambridge

Collection: Chemistry ; Biology and Medicine

Summary:  1460, 49-59 Colmenares, L.U., Mead, D., Yoshida, W., Alam, M. & Liu, R.S.H. (1996) A 19 F NMR Study... to the 1-MDa Capsid of Lumazine Synthase by 15N{19F} REDOR NMR. J. Am. Chem. Soc. 121(33), 7500... Nisin with Mixed Lipid Bilayers: A 31 P ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  , , and , respectively (see the text). 19F NMR Structural Studies of AAF-Modified DNA Biochemistry, Vol. 38, No. 23, 1999... Preparation of the Model Adducts. The model 19F NMR probes chosen for this study are ...

Source: Cho, Bongsup P. - Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island

Collection: Biology and Medicine

Summary:  , 19 F and 15 N. Figure 2 | Chemistry comes to the aid of NMR -- and vice versa. Highly aligned singlet... (1 H, 13 C, 19 F, 31 P) undergo, when samples are placed within the powerful magnetic fields in which... ). PublISHed onlIne 17 may 2009 n uclear magnetic resonance ...

Source: Frydman, Lucio - Department of Chemical Physics, Weizmann Institute of Science

Collection: Chemistry

Summary:  Review Choosing membrane mimetics for NMR structural studies of transmembrane proteins Dror E... -represented in the protein structure databank and why they were difficult to study by nuclear magnetic resonance (NMR... a guide to the selection of the appropriate model membrane system for membrane protein ...

Source: Institut de Biologie Physico-Chimique CNRS, Physico-Chimie Moléculaire des Membranes Biologiques

Collection: Chemistry ; Biology and Medicine

Summary:  Chapter 4 Page 120 C h a p t e r 4 13 C-19 F REDOR NMR STUDIES OF THE CONFORMATION... Decoupling Figure 4-3 Pulse sequence for 19 F refocus, 13 C observe REDOR NMR. Transverse carbon... IS) that permits dipolar coupling to be measured using REDOR ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  than NMR, although crystal packing effects may distort the protein structure.8 ­11 Several studies12... in the PDB library, which has been previously used in the comparison study of X-ray and NMR structures by Gar... SHORT COMMUNICATION TASSER-Based Refinement of NMR Structures Seung Yup ...

Source: Skolnick, Jeff - Center for the Study of Systems Biology, Georgia Institute of Technology

Collection: Chemistry ; Biology and Medicine

Summary:  · Sensitivity, quality of spectra given by nuclear properties: 1H > (19F, 31P) > 2H > 13C > 15N >>> 17O... NMR (isotopomer distributions) in Biogeochemistry Jürgen Schleucher Department of Medical... -IRMS - light spectroscopy · NMR · Deuterium - climate and physiological signals from ...

Source: Max-Planck-Institut für Biogeochemie, GasLab

Collection: Environmental Sciences and Ecology ; Geosciences

Summary:  . Experimental 3.1. NMR spectroscopy 1 H, 13 C, 29 Si, and 19 F NMR spectra were acquired on a Bruker AMX-500 MHz... , and 19 F NMR spectra. 29 Si NMR spectra were obtained using 25% w/v chloroform-d solutions. 13 C ...

Source: Grunlan, Melissa A. - Department of Biomedical Engineering, Texas A&M University

Collection: Materials Science ; Engineering

Summary:  evidence comes from the 19 F NMR data (see the Exper- imental Section). Changing the counterion from Cl... .3 (NCH3), 24.1 (CH2CH2CH2), 18.2 (CH3CH2), 7.0 ppm (SiCH2); 19 F NMR (470.6 MHz, CDCl3): d=À151.9 ppm... CH2); 19 F ...

Source: Bluemel, Janet - Department of Chemistry, Texas A&M University

Collection: Chemistry

Summary:  metallothioneins and related metalloproteins. A possible application of 113Cd NMR to the study of metallothioneins... is to highlight the ap- plication of 113Cd NMR in the study of the cluster structure in MTs... Cd, the majority of the NMR studies have been performed ...

Source: Hemminga, Marcus A. - Department of Molecular Physics, Wageningen Universiteit

Collection: Physics ; Biology and Medicine

Summary:  magnetic resonance (NMR) technique. #12;and quantification is achieved via comparison of the 19 F... resonance. Figure 1. 19 F MAS NMR spectra of TFS treated (a) silica mi- crofiber and (b) E-glass fiber... sample. We are currently applying this ...

Source: Brantley, Susan L. - Department of Geosciences, Pennsylvania State University

Collection: Geosciences

Summary:  , OsNCH2). 13C{1H} NMR (CD2Cl2, 230 °C): d 261.9 (s, OsNCH2). 19F NMR (thf-d8, 25 °C): d 280.0 (CF3... °C): d 232.6 (s). ¶ Selected spectroscopic data for (C5Me5)Os(dppm)(OTf): MS(FD): m/z 860[M+]. 19F... )][OTf]; the molecular structure and dynamic ...

Source: Girolami, Gregory S. - Department of Chemistry, University of Illinois at Urbana-Champaign

Collection: Materials Science ; Chemistry

Summary:  in averaging to zero most anisotropic interactions to which non-quadrupolar nuclei (e.g., 13 C, 19 F, 29 Si, 31... arises partly from its potential as a model for 17 O NMR studies of hydrous glasses and zeolites. 444 S... The usefulness of performing NMR studies of ...

Source: Nur, Amos - Department of Geophysics, Stanford University

Collection: Geosciences

Summary:  stability. In biological and biomedical research NMR provides a means for studying crucial questions... such a major technique for biological studies, but also utilizes many concepts and principles used in NMR... NMR studies were performed with molecules larger than ...

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

Collection: Biotechnology ; Biology and Medicine

Summary:  about the utility but also limitations of NMR spectroscopy for structure/function studies... chemistry and material sciences to characterize polymers. Solid state NMR methods are available for studying... molecules · partially structured biomacromolecules folding studies · rational ...

Source: Ritort, Felix - Departament de Fisica Fonamental, Universitat de Barcelona

Collection: Physics

Summary:  .A. 2000. Solid-state 19 F NMR investigation of hexafluorobenzene sorption to soil organic matter... resolution magic angle spinning (MAS) NMR technique to study such mechanisms in situ on highly hydrated... or soil fractions has been less studied. Nevertheless, ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  .J.King, F.Fayon, D.Massiot, R.K.Harris, J.S.O.Evans, Chem. Commun. 1766-1767 2001 19 F.Fayon, G.Le Saout, L... Historical Perspectives, Encyclopedia of NMR ­ to be submitted Massiot, Dominique : Materials... by NMR of Quadrupoles from room to high temperature Dominique Massiot CEMHTI-CNRS, Orléans, France I ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ordered water molecule adjacent to the fatty acid C-2 position has been identified by 19 F-1 H NMR... . The present NMR study provides no information on solvent interactions with the protein, although at least one... J. Mol. Biol. (1996) 264, 585­602 The NMR Solution ...

Source: Ponder, Jay - Department of Biochemistry and Molecular Biophysics, Washington University in St. Louis

Collection: Biotechnology ; Biology and Medicine

Summary:  (drugs) often contain fluorine, and 19 F-NMR is well suited to study the con- formation of such compounds... -sheet peptide gramicidin S in membranes: a solid state 19 F-NMR study in oriented bilayers, J. Biomol. NMR 21... in the same manner as ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  measured 1 H signals from human tissue. For studies of 19 F nuclei we used deuterated trifluoracetic acid... of the static field. (b) 19 F-NMR signal from deuterated trifluoracetic acid in a magnetic field of 2.03 m... with spectral data of 1 H, 19 ...

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  in our study was made from of a commercial 3 mm outer diameter (OD) NMR tube cut to a 7 cm overall length... 2D TOCSY NMR experiments carried out in this study. As described elsewhere in more detail... Real-Time 2D NMR Identification of Analytes Undergoing Continuous Chromatographic ...

Source: Frydman, Lucio - Department of Chemical Physics, Weizmann Institute of Science

Collection: Chemistry

Summary:  to peptides bound to deter- gent micelles.32 We developed a 19 F spin diffusion NMR technique to determine... Solid-State NMR Studies of the Structure, Dynamics, and Assembly of -Sheet Membrane Peptides and r... the oligomeric number of membrane peptides in lipid bilayers.34,35 The ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  ) Cation odering at fluoride sites in silicate glasses: a high-resolution 19 F NMR study. Journal of Non... in aluminosilicate glasses: high- resolution 19 F NMR results. American Mineralogist, 85, 863­867. MANUSCRIPT... materials, most notably ...

Source: Nur, Amos - Department of Geophysics, Stanford University

Collection: Geosciences

Summary:  NMR studies of living sys- tems and related NMR research during the past years. This special issue... and animal consumption by NMR spec- troscopy is the objective of a study by Noteborn et al. (2000). 0168... structures, whereas Mulloy et al. (2000) employs NMR in ...

Source: Hemminga, Marcus A. - Department of Molecular Physics, Wageningen Universiteit

Collection: Physics ; Biology and Medicine

Summary:  of toluene at 20.4(7) ppm. 19 F NMR spectra were obtained on a Bruker AVQ-400 using a standard glass NMR tube... . This product was then dissolved in D2O and analyzed by 51 V and 19 F NMR. The results are depicted in Fig. 8a... ) dissociates to ...

Source: Bell, Alexis T. - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  of the molecule studied in Terry Oas's folding intermediate, pp. The NMR information from the synthetic pp... BCH222 :: NMR Worksheet http://kinemage.biochem.duke.edu/teaching/bch222/nmr/nmr.wrksht... 1 of 3 2... /24/05 3:05 PM BCH222 -- Structures by NMR Reading C.I. Branden and J. Tooze ...

Source: Richardson, David - Department of Biochemistry, Duke University

Collection: Biotechnology ; Biology and Medicine

Summary:  for the ever-higher operating frequencies used for protein NMR studies. Ó 2003 Elsevier Science (USA). All... volumes without significantly affecting the B0 homogeneity has found some use in protein NMR studies... ­ 294. [33] D. Lu, P.M. Joseph, A technique of double-resonant operation of ...

Source: Andrews, Anne M. - Huck Institutes of the Life Sciences, Pennsylvania State University

Collection: Biology and Medicine

Summary:  - more, a technique known as magic angle spinning (MAS)-NMR can be used to carry out biochemical studies... -throughput and data-pro- cessing methods,to optimize their use in com- plex metabolism studies.However,1 H-NMR... , and leads to discrete energy states in a magnetic field. Nuclei such as 1 H, 13 C, 15 ...

Source: Kalogeropoulos, Kostas - Information Engineering Division, Department of Engineering, University of Cambridge

Collection: Computer Technologies and Information Sciences ; Mathematics

Summary:  are drawn to guide the eye). 7 . 3-3- L1 and "F NMR spectroscopy. The '~i and 19F NMR spectra are given... with rising F/Te ratio. On the contrary, second moment of 19F is pratically constant for F/Te,< 0... .8 but increases above this value-For comparison, 7 . ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Sorting out Mixtures with 2D NMR Gregory S. Boebinger, National High Magnetic Field Laboratory DMR... -Award 0654118 AMRIS Facility We developed a 2D NMR peak alignment algorithm that enables pattern recognition... of the resonances. The combination of 2D NMR spectra with full-resolution statistical analysis provides a platform

Source: Weston, Ken - Department of Chemistry and Biochemistry, Florida State University

Collection: Chemistry

Summary:  ferromag- net with T, = 176 K [I]. NMR studies at the A1 site [2, 31 indicate that the signals arise from 2... of 1.5 f0.1 ms (Gd), 0.19 f 0.01 ms (-41, 1st line) and 0.52 f0.03 ms (Al, 2nd line). The first... at the two peaks in theB7Al spectrum axe dilfuet, confirming that the main contribution to the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  ). This approach involves solid state NMR measurements of 31 P-19 F distances using the 31 P nucleus... . Solution 19 F and 31 P NMR spectra were recorded on a Varian INOVA 501 spectrometer at 20 °C. Data... trifluoroacetate for 19 ...

Source: Smith, Steven O.- Department of Biochemistry and Cell Biology, SUNY at Stony Brook

Collection: Biology and Medicine

Summary:  studies are critically important for biological func- tion. NMR can also be used to measure the rates... studies to provide dynamic information. NMR is also a powerful method for screening of func- tional... required for rapid NMR screening studies, are the same as ...

Source: Powers, Robert - Department of Chemistry, University of Nebraska-Lincoln

Collection: Chemistry

Summary:  209 #12;Chapter 7 13 C-19 F REDOR NMR Studies of the Conformation of Substituted Imidazo[1,2-a... and thus elaborate on the binding argument proposed thus far. The sketch has been filled by 2 H NMR studies... inhibitory potency. Furthermore, the 2 H ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  nature methods | VOL.6 NO.9 | SEPTEMBER 2009 | 625 correspondence casd-nmr: critical assessment... of automated structure determination by nmr To the Editor: NMR spectroscopy is currently the only technique... , reproducibility and reliability of NMR structures. Within the e-NMR project ...

Source: Baker, David - Center for Nanotechnology and NanoTechnology & Department of Biochemistry, University of Washington at Seattle

Collection: Chemistry ; Biotechnology

Summary:  might be achieved through an extension of the solid-state NMR approach to biological structural studies... of structural information. The molecular weight limit that can be studied by solid state NMR is almost... therefore that NMR would be a redundant technique for ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  fields enables NMR studies of pure liquids and solutions without the need for strong magnets. We have... of NMR and MRI studies utilize magnetic fields in the range of tesla to tens of tesla. Nevertheless... , the simultaneous detection of 1H and 19F signals,1 as well ...

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  clearly offer great benefits for studies in weak magnetic fields. But what about alter- native NMR... , the Berkeley group used the remote-detection approach to enhance the sen- sitivity of NMR studies involving... "smaller,fasterandcheaper".Yet for the past few decades one of the best known tech- ...

Source: Lukin, Mikhail - Department of Physics, Harvard University

Collection: Materials Science ; Physics

Summary:  and 19 F solid-state NMR spectroscopy. Static 31 P NMR line shapes of lipid membranes with a range... HC50 against red blood cells is 440 µM.9,10 In this work, we use 31 P and 19 F solid-state NMR... induced by antimicrobial molecules.16-18 ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  with the results of a previous solution NMR study of the 2:1 complex. These 31P- 19F REDOR results demonstrate... have performed solid-state 31P-19F REDOR nuclear magnetic resonance (NMR) experiments to monitor... such distances are currently ...

Source: Sigurdsson, Snorri Thor - Chemistry Division, Science Institute, University of Iceland.

Collection: Chemistry

Summary:  content of 1 H solid-state NMR spectra is limited. Thus, the study of nuclear spins other than those... such as 31 P or 19 F, as a large fraction of the xenon polarization is lost comparatively rapidly due... , Spin polarized 129 Xe NMR study of a polymer surface, J. ...

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  resonance appeared in the 19 F NMR spectrum at -33 (25 °C, THF-d8), which we attribute to the desired... crystals of 2 in THF solvent verified the equilibrium with 1 (Scheme 1). 19 F NMR analyses... by 19 F ...

Source: Vicic, David A. - Department of Chemistry, University of Hawai'i at Manoa

Collection: Chemistry

Summary:  ., Influence of Water on Diffusion in Imidazolium-Based Ionic Liquids: A Pulsed Field Gradient NMR study, J... Influence of Water on Diffusion in Imidazolium-Based Ionic Liquids by NMR Sergey Vasenkov AMRIS... - Chemical Engineering, University of Florida In this work we applied a novel pulsed field gradient (PFG) ...

Source: McQuade, D. Tyler - Department of Chemistry and Biochemistry, Florida State University

Collection: Chemistry

Summary:  information provided by NMR spectroscopy combine to yield a valuable analytical tool, especially in the study... Nanoliter-Volume 1 H NMR Detection Using Periodic Stopped-Flow Capillary Electrophoresis Dean L... -Champaign, Urbana, Illinois 61801 Recent advances in the analysis of nanoliter volumes using 1H ...

Source: Andrews, Anne M. - Huck Institutes of the Life Sciences, Pennsylvania State University

Collection: Biology and Medicine

Summary:  nuclei that have an odd number of protons or neutrons. Particularly important ones: 2 H, 7 Li, 13 C, 19 F... NSS-MIC: Fundamentals of Medical Imaging Oct. 20, 2003 NMR-0 c J. Fessler, September 13, 2003... . NMR-0 Outline · Background · Basic physics · 4 magnetic fields · Bloch equation · Excitation · ...

Source: Fessler, Jeffrey A. - Department of Electrical Engineering and Computer Science, University of Michigan

Collection: Engineering

Summary:  , and Mark S. Conradi Solid State Ionics 5, 229 (1981) 14. "Proton NMR Study of the Orientation and Motion... , 354 (1981) 16. "NMR Hole-Burning: A Study of Slow Molecular Rotations in Glassy Glycerol" Philip L... . "NMR Study of Molecular Motions in Cyclohexanol, A ...

Source: Washington University in St. Louis, Department of Physics, Laboratory for Space Sciences

Collection: Physics

Summary:  hydroboration products (2a:2b 2:1, based on 1 H and 19 F NMR data) in 38% iso- lated yield. Examination... - tions, the 19 F NMR spectral data acquired from samples of the products generated upon completion... for 18 h prior to use (9b). Unless otherwise stated, 1 H, ...

Source: Stradiotto, Mark - Department of Chemistry, Dalhousie University

Collection: Chemistry

Summary:  interaction. Therefore, photo-CIDNP MAS NMR allows to study the electronic structure of the electronic ground... magnetization which can be observed by NMR spectroscopy as enhanced absorptive (positive) or emissive (negative... reaction centers by magic angle spinning solid-state NMR. Chapter 1 discusses how ...

Source: van den Brink, Jeroen - Leiden Institute of Physics, Universiteit Leiden

Collection: Physics

Summary:  Protein at High Temperatures Using 19 F NMR Benjamin Schuler,*,,§ Werner Kremer,§ Hans Robert Kalbitzer... 13, 2002; ReVised Manuscript ReceiVed July 16, 2002 ABSTRACT: We used 19F NMR to extend... unfolding transitions monitored by ...

Source: Schuler, Ben - Biochemisches Institut, Universität Zürich

Collection: Chemistry ; Biology and Medicine

Summary:  is a leader in the development and applications of nuclear magnetic resonance (NMR) spectroscopy, originally... in solid-state NMR. Together with the great John S. Waugh, he demonstrated time-reversal of dipole... -resolution NMR (proton-enhanced nuclear induction spectroscopy) of dilute spins such as carbon-13, nitrogen-15

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  ], and also 19 F-based agents [8] that provide signal in response to a biological trigger. However... measurement and 19 F MRI. Angew Chem-Int Ed 2009, 48:3641-3643. 9. Mugler JP, Driehuys B, Brookeman JR, Cates... in aqueous solution studied by hyperpolarized Xe-129 ...

Source: Dmochowski, Ivan J. - Department of Chemistry, University of Pennsylvania

Collection: Biology and Medicine ; Chemistry

Summary:  in vivo. The system should be exible and capable of performing NMR on dierent nuclei like 19F or 29Si... with no background signal. 5.2.2 Peruorocarbon Nanoparticles NMR of 19 F has several advantages compared to 29Si. Its... ], giving a NMR ...

Source: Marcus, Charles - Department of Physics, Harvard University

Collection: Materials Science

Summary:  or 4F-Phg. The high sensitivity of 19 F NMR spectra allows for the study of membrane peptide orien... adjusted in membrane protein structural studies. 19 F Chemical Shift Anisotropy: Concentration... -Dependent Orientation Ulrich and coworkers ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  was applied only to the 2D NMR study of solid samples such as malonic acid, glycine, and mono- ethyl fumarate... , the simple PDLF spectrum can be directly analyzed to yield the 19 F­1 H dipolar couplings. For the difluoro... compound, the effect of the 19 ...

Source: Pines, Alexander - Department of Chemistry, University of California at Berkeley

Collection: Chemistry

Summary:  developed a 19 F spin diffusion NMR approach based on the CODEX pulse sequence to measure intermolecular... -rich peptides. Solid-State NMR Techniques for Studying Protein­Membrane Interactions Solid-state NMR is a highly... disorder can be ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  ://dx.doi.org/10.1051/jphyscol:19767106 #12;19F- SELF-DIFFUSION IN BaFz BY NMR C7-477 the amplitude of a spin... . Phys. Lett. 40 (1976) 111. #12;19F- SELF-DIFFUSION IN BaFz BY NMR DISCUSSION C. R. A. CATLOW... 'auto-diffusion quand il n'y a pas de traceur convenable. ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  Conformational Heterogeneity of Arylamine-Modified DNA: 19F NMR Evidence Li Zhou, Masoumeh... , 1996. ReVised Manuscript ReceiVed April 17, 1997X Abstract: One- and two-dimensional 19F NMR... -(deoxyguanosin-8-yl)-7-fluoro-2-ami- nofluorene (dG-C8-FAF) (II). The ...

Source: Cho, Bongsup P. - Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island

Collection: Biology and Medicine

Summary:  detection for human cancers Metabolomics Study of Age profiling in children Combined NMR and 2D GC/MS based... of diseases with significantly improved sensitivity and specificity. Human and Animal Studies Our... . The information rich analytical techniques of mass spectrometry (MS) and nuclear magnetic resonance ...

Source: Raftery, Dan - Department of Chemistry, Purdue University

Collection: Chemistry

Summary:  in the 19 F, 13 C, and 7 Li NMR spectra. The 13 C NMR shifts for the C-O carbon are more complex than... , the 19 F NMR signals shift systematically upfield for the HMPA solvates in a way consistent... . HMPA titration of 0.1 M solution of (3F-Li)4 ...

Source: Reich, Hans J. - Department of Chemistry, University of Wisconsin at Madison

Collection: Chemistry

Summary:  , and 19F spectra of 13CCl4, C6H5 15NH2, and C6F6 and obtained enhance- ments of 42, -36, and 8 for 13C, 15... N, and 19F, respectively. The enhancement as a function of the microwave irradiation time for all... ((2) hexafluorobenzene (19F) 20((3) 1.7((0.1) 8.4((0.4) ...

Source: Griffin, Robert G. - Francis Bitter Magnet Laboratory & Department of Chemistry, Massachusetts Institute of Technology (MIT); Loening, Niko - Department of Chemistry, Lewis and Clark College

Collection: Chemistry

Summary:  Validity of Using the Radius of Gyration as a Restraint in NMR Protein Structure Determination... Cambridge, Massachusetts 02140 ReceiVed NoVember 8, 2000 ReVised Manuscript ReceiVed February 5, 2001 NMR... of a protein amenable for analysis by NMR.2-4 However, the resulting precision and accuracy of a structure

Source: Powers, Robert - Department of Chemistry, University of Nebraska-Lincoln

Collection: Chemistry

Summary:  of these produced PVDF-I oligomers were characterized by 1 H and 19 F NMR spectroscopy which enabled one to assess... of the oligomers obtained by ITP of VDF were determined by 19 F (200 MHz) and 1 H NMR (250 or 400 MHz... are given in Hz and ppm, respectively. The ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  75 I.3 Solid State 17 O NMR as a probe for structural studies of proteins in biomembranes Vincent... . It is shown that at high magnetic field it is feasible to apply 17 O NMR to the study of membrane... importance. Solid state NMR is a non-perturbing approach which can be used to ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  with the 19F MAS-NMR result. Second, the MAS-SSNMR tetramer model is more open at the N-terminus than... . The Trp41 indole ring and the diagonal distance between its 5-19 F or H3 are indicated. (a) MAS-NMR model... by drug binding.20 Finally, we measured interhelical ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  .2a,4a,b,5a Mixing solutions of 1-Li and 2-Li6 gave three new 19 F and 13 C NMR signals (1:3, 2:2, 3... and 19 F NMR signals of the homo- and heterotetramers underwent a coalescence event.7 Simulation... of dissociation of (1-Li)4 was deter- mined by fitting the first ...

Source: Reich, Hans J. - Department of Chemistry, University of Wisconsin at Madison

Collection: Chemistry

Summary:  Raftery Group NMR Probe Development Program The Raftery group has made a number of developments... in NMR probes for analytical NMR applications. Shown below are some of the advances made over the past... several years. Dual Volume Double Resonance Microcoil NMR Probe Dual Coil probe has the upper coil

Source: Raftery, Dan - Department of Chemistry, Purdue University

Collection: Chemistry

Summary:  the coupling to nuclear magnetic resonance spectroscopy (NMR). The investigation of this technique... is an attractive proposition because of the valuable information given by NMR on molecular structure... . The experiments shown here are to our knowledge the first hyphenating capillary GC to microcoil NMR. In contrast

Source: Andrews, Anne M. - Huck Institutes of the Life Sciences, Pennsylvania State University

Collection: Biology and Medicine

Summary:  Long-Range 1 H-19 F Distance Measurement in Peptides by Solid-State NMR Sungsool Wi, Neeraj Sinha... of the sensitive 19F spin as an NMR probe causes little perturbation of the native structure compared... -detected 1H-19F ...

Source: Hong, Mei - Department of Chemistry, Iowa State University

Collection: Chemistry

Summary:  thermiques polarists. Le processus de capture de neutrons 19F(n, y),OF produit des ions 'OF deplaces par... neutrons at various temperatures. The neutron capture process 19F(n, ?)'OF produces recoil displaced 'OF... studied by their influence on the 2 0 ~NMR spectrum ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  observed for I across the same temperature range. Dynamic 19 F NMR results revealed that I exists in an 85... ICD290-360nm data, coupled with 19 F NMR spectroscopy, provide valuable information about... 2O/90% H2O): 100 mM NaCl, 10 mM sodium phosphate, and 100 µM ...

Source: Cho, Bongsup P. - Department of Biomedical and Pharmaceutical Sciences, University of Rhode Island

Collection: Biology and Medicine

Summary:  of NMR tools, such as for metabolomics studies, provides EMSL users with unmatched research opportunities... A novel BioMAS/900-MHz system for high-resolu- tion and ultrahigh-field bio-solid studies ÌÌ NMR... capabilities ÌÌ Combined confocal microscopy and NMR ÌÌ Pulsed EPR for ...

Source: Pacific Northwest National Laboratory, Data Quality Objectives Program, Visual Sample Plan

Collection: Environmental Management and Restoration Technologies

Summary:  , are ideal candidates for initial studies using solid state NMR since they demonstrate a high potency, have... electricus AChE. 13 C-19 F REDOR experiments performed on a dilute rigid standard indicated that a carbon... accurate results than similar schemes with dephasing pulses in the fluorine channel. 13 ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  performed on the oxidized and reduced forms of theprotein(Rd-oxandRd-red)at -161 "C, andNMR studies were... compare theresults of the X-ray and NMR structural studies. Discussion As indicated inBlake et al.(1992... experimentalNOESY data than the NMR model. Studies ...

Source: Joshua-Tor, Leemor - W. M. Keck Structural Biology Laboratory, Cold Spring Harbor Laboratory

Collection: Biology and Medicine

Summary:  TROSY in NMR studies of the structure and function of large biological macromolecules Ce´ sar Ferna... studies of larger molecules are directly reflected in the scarcity of NMR structures with molecular masses... .current-opinion.com #12;solution NMR, making possible ...

Source: Wider, Gerhard - Institut für Molekularbiologie und Biophysik, Eidgenössische Technische Hochschule Zürich (ETHZ)

Collection: Biotechnology ; Biology and Medicine

Summary:  .E. London (1988) 19 F-NMR Spectral Evidence That 3-Octylthio-1,1,1-trifluoropropan-2-one, at Potent... Acetylcholinesterase: Proton NMR Studies. Biochemistry, 40 (19): 5682-5690. 118. M. Delfini, R. Gianferri, V. Dubbini... , and W.A. Cramer (1998) Solid-state NMR ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  in previous studies [14, 15]. 2. NMR Spectroscopy The 1H, 13C and 19F NMR were recorded at ambient temperature... of the resulting random-type copolymers were calculated by means of 19F NMR spectroscopy and allowed one... ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  . The goal of this study is to design an optimized NMR probe operated at 500 MHz that interfaces... A Microcoil NMR Probe for Coupling Microscale HPLC with On-Line NMR Spectroscopy Raju Subramanian... , Urbana, Illinois 61801 An HPLC NMR system is presented that integrates a commercial ...

Source: Andrews, Anne M. - Huck Institutes of the Life Sciences, Pennsylvania State University

Collection: Biology and Medicine

Summary:  Solid-State NMR Studies of Bacteriorhodopsin and the Purple Membrane D.Phil Thesis Andrew James... College, Oxford 2001 #12;ii Abstract "Solid-State NMR Studies of Bacteriorhodopsin and the Purple Membrane... in Multiply Labelled Bacteriorhodopsin by 15 N MAS NMR: A General Approach to ...

Source: Watts, Anthony - Biomembrane Structure Unit, Department of Biochemistry, University of Oxford

Collection: Biology and Medicine

Summary:  measurements have been made of the NMR frequency for 19F nuclei in antiferromagnetic MnF2. The interaction... 'ÉVRIER-MARS 1959, Recently [1] we have reported some preliminary observations of high-frequency NMR of 19F... . - The temperature dependence of the ...

Source: Ecole Polytechnique, Centre de mathématiques

Collection: Mathematics

Summary:  (Elgavish et al., 1984). NMR Experiments 13 C-13 C reference measurements and 13 C-19 F rotational... proteins. Although analogous multidimensional ssNMR studies of microcrystalline proteins can in principle... using a Varian 4 mm 1 H-19 F-13 C ...

Source: Gray, Jeffrey J. - Department of Biomolecular and Chemical Engineering, Johns Hopkins University

Collection: Chemistry ; Biology and Medicine

Summary:  as multiplicity and coupling constant (Hz) where applicable. 19 F NMR spectra were recorded on a Varian Inova 500... ....................................................................................................................................................... 2 2. COMPARISON OF SYNTHETIC AND PUBLISHED 1 H ...

Source: Stoltz, Brian M. - Division of Chemistry and Chemical Engineering, California Institute of Technology

Collection: Chemistry

Summary:  Book Review Melinda J. Duer, editor. "Introduction to Solid-State NMR Spectroscopy" (2004... , Blackwell Science) Solid-state NMR is fascinating but highly demanding. Researchers entering this area need... of difficult concepts and a large palette of experimental methods. The potential of solid-state NMR

Source: Levitt, Malcolm H. - School of Chemistry, University of Southampton

Collection: Chemistry