Principios Básicos de RMN en sólidos destinado a usuarios. Gustavo Monti. Fa.M.A.F. Universidad Nacional de Córdoba Argentina
|
|
|
- Ernest Washington
- 5 years ago
- Views:
Transcription
1 Principios Básicos de RMN en sólidos destinado a usuarios Gustavo Monti Fa.M.A.F. Universidad Nacional de Córdoba Argentina
2 magnet computer 3 Block diagrama of a traditional NMR spectrometer. 1 probe, 2 signal preamplifier, 3 transmitter and power amplifier, 4 receptor, 5 detector (here the RF signal from the nuclei is converted into audio frequency signal), 6 analog to digital converter.
3
4 CPMAS probe, 7 mm rotor, coil and its stator. 4.7 T superconducting magnet, equivalent to a frequency of 300 MHz for protons MHz (1 GHz) magnet
5 Nuclear Magnetic Resonance Spectrometer, Bruker Avance II 1) Computer 2) frequency generator, transmission and reception 3) High Power Amplifier 4) pneumatic unit sample rotation 5) Temperature control 6) Control of magnetic field external homogenization coils
6 Overview Setup procedures for magic angle adjustment probe shimming cross polarization: Hartmann-Hahn match decoupling considerations
7 Why Do CP/MAS? MAS = Magic Angle Spinning line narrowing 54.7! 2 ( 3cos θ 1) = 0 θ = CP = Cross Polarization signal enhancement: γ I /γ S 1 H 13 abundant C : x 4 spins 1 H 15 (e. g. N : x 10 1 H) rare spins (e. g. 13 C)
8 Magic Angle Adjustment Requirements for setup sample: sensitive to angle setting: large interaction to be averaged by MAS narrow lines achievable more sensitive than samples of interest easy to observe: large signal at desired observe frequency 54.7
9 Magic Angle Adjustment Standard setup sample ( 13 C work): KBr with 79 Br detection criterion: spinning sidebands sensitive to magic angle due to broad (MHz) quadrupolar interaction narrow lines close to 13 C frequency (300 MHz spectrometer: MHz vs MHz), no change in routing, filters, preamplifier, probe range etc. required good S/N (single scan)
10 Magic Angle Adjustment x 16 setting the magic angle with KBr (79Br detection) spinning speed 5 khz angle well set x ppm ppm
11 Magic Angle Adjustment x 16 setting the magic angle with KBr (79Br detection) spinning speed 5 khz angle misset (by about 1/4 turn) x ppm ppm
12 Magic Angle Adjustment x 16 setting the magic angle with KBr (79Br detection) spinning speed 5 khz angle grossly misset (by about 1 turn) x ppm ppm
13 Probe Shimming Some hints: shimming is done on FID or spectrum (no lock used) usually requirements are less demanding as compared to liquids (e. g. 13 C: < 10 Hz) MAS on axis and off axis shims are a combination of standard on axis (z, z 2,...) and off axis (x, y,...) shims at high spinning speeds: MAS off axis shims less important
14 Probe Shimming relation of MAS (tilted) and laboratory frame shims first order B B B tilt z tilt x tilt y = = = 1 B 3 1 B 3 B lab y lab z lab x B B lab x lab z z lab 54.7 z tilt x lab B tilt 2 z = B lab 2 ( x y 2 ) 2 2B lab zx A. Sodickson and D. G. Cory, J. Magn. Reso. 128, 87 (1997) second order B B tilt zx tilt zy = = B B lab zx lab zy B B lab 2 z lab xy 2 6 B lab 2 2 ( x y )
15 Probe Shimming 13 C resolution with adamantane x 8 x 8 FWHMH > 2 Hz 13 C- 13 C satellite ~30 Hz Hz Hz ppm
16 Cross Polarization - Basic Principles energy level matching: Hartmann-Hahn matching laboratory rotating laboratory frame, I spin frame frame, S spin ω0,i ω = 1,I ω1,s ω 0, S ω ω 0,I 1,I = γ B I I = γ B 0 1,I Hartmann-Hahn match: γ B = γ B I 1,I S 1, S
17 Basic CP(MAS) Pulse Sequence 90 x 1 H contact decoupling 13 C contact aquire
18 Cross Polarization What can be achieved: signal enhancement by polarization transfer: nucleus natural abundance max. enhancement factor 13 C 1.11 % 4 15 N 0.37 % Si 4.70 % 5 31 P 100 % 2.5 γ I γ S ε = ε N N S I faster repetition: recycle delay ~ 5 T 1, 1 H usually T 1, 1 H << T 1, 13 C (T 1, 15 N )
19 Cross polarisation: criteria robustness: width of Hartmann-Hahn-condition dependence on rotation frequency γ 1 B 1 = γ 2 B 1 + n 2 πν rot efficiency f max = γ 1 γ H X recycle delay is now determined by 1 H T 1 BUT: consider probe duty cycle!!
20 13 C CPMAS Setup Using Glycine CPMAS spectrum of glycine (5 khz spinning speed) Carbxyl 13 C: sensitive HH match easy to decouple sensitive to angle HOOC-CH 2 -NH 2 13 C a : broad HH match high power decoupling ppm
21 Hartmann-Hahn matching profiles Glycine 13 C signal amplitudes as function of 1 H RF field 13 C RF field constant at 45 khz using square pulses for CP CH 2 CH 2 CO MAS = 2500 Hz CO MAS = Hz khz Ha-Ha-match khz Ha-Ha-match
22 Hartmann-Hahn matching profiles What is the reason for these intensity modulations? The homonuclear proton-proton dipole coupling is modulated by the spin rate! Proton matching carbon energy level energy level CH 2 SR SR CO SR SR CO MAS = Hz khz Ha-Ha-match
23 Ramped (Variable Amplitude) Cross Polarization 90 x 1 H contact decoupling 13 C contact acquire
24 Hartmann-Hahn matching profiles Glycine 13 C signal amplitudes as function of 1 H RF field 13 C RF field constant at 45 khz using ramp pulse for CP from 100% to 50% amplitude CH 2 CO CH 2 CO MAS MAS = 2500 = 2500 Hz Hz CO MAS = Hz CH khz Ha-Ha-match khz Ha-Ha-match
25 VACP: possible problems Actual transfer occurs during precise match to spinning sideband! -transfer does not occur during the whole pulse -proton spin lock field not at constant high level, proton T 1ρ may be shortened Optimum setup: Flat (10)% ramp over first sideband to higher power, just to compensate for misset and drift. However: Must be optimised for spin rate!
26 Cross Polarization Dynamics contact time, practical considerations for 13 C short T IS (~500 ms): directly attached protons (-CH 3, -CH 2 -, >CH-) long T IS (>1-2 ms): quaternary carbons (>C<, -COO-, substituted aromatic systems,...), high mobility short T 1ρ : paramagnetic systems/impurities (e.g. in coal), high mobility
27 TPPM decoupling TPPM = Two Pulse Phase Modulation ( ) ( ) ( ) ( ) τ τ τ τ p 0 p ϕ p 0 p ϕ pulse duration: τ p τ p - ε: ε µs, to be optimised! phase step: ϕ 15, optimise, if needed!
28 TPPM: optimisation of τ p C α signal in glycine-1,2-13 C- 15 N, ν rot = 30 khz, ϕ = 15 ν dec = 150 khz τ p /ms optimum pulse length: τ p = 2.9 µs, (τ = 3.2 µs)
29 SPINAL decoupling τ ϕ τ ϕ ' SPINAL = Small Phase Incremental Alternation τ ϕ '' τ ϕ '' ' basic cycle: Q= φ φ φ φ = Q= -φ -φ -φ -φ = super cycles: SPINAL16 = Q Q SPINAL32 = Q Q Q Q SPINAL64 = Q Q Q Q Q Q Q Q SPINAL128 = Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q Q
30 Decoupling bandwidth - comparison Line width of C α in Glycine at ν rot = 5 khz, 400 MHz ν 1dec = 100 khz
31 Decoupling bandwidth - comparison Line width of C α in Glycine at ν rot = 5 khz, 400 MHz ν 1dec = 70 khz
32 Residual line width 13 C CP spectra of cortisone acetate at ν dec = 104 khz and ν rot = 11 khz, 400 MHz ppm SPINAL 64 TPPM 15 CW ppm ppm ppm
33 Residual line width 13 C CP spectra of starch at ν dec = 104 khz and ν rot = 11 khz, 400 MHz SPINAL 64 TPPM ppm
34 CPMAS Setup with Glycine angle well set angle < magic angle (1/4 turn out) angle > magic angle (1/4 turn in) angle > magic angle (3/4 turn in) angle < magic angle (3/4 turn out) 13 C-carbonyl HH-match magic angle setting (probe shimming) 13 C a decoupling power offset method S/N ppm Hz
35 Cross Polarization for Various Nuclei standard: I=1/2 S=1/2: most frequent: I = 1 H S = 13 C, 15 N, 29 Si, 31 P less common, but worthwile: I = 1 H S = 77 Se, 89 Y, 113 Cd, 119 Sn, 129 Xe, 195 Pt, 199 Hg, 207 Pb fluorinated materials: I = 19 F S = 13 C, 15 N, 29 Si, 31 P, low g nuclei (e. g. 15 N): more X and/or less 1 H power quadrupolar nuclei: different story...
36 15N CPMAS Setup with Glycine HOOC-CH 2 -NH 2 7mm probe ramped CP 5 khz spinning speed 4 scans Hz ppm
37 CP throughout the periodic table
38 CP throughout the periodic table
39 CP throughout the periodic table
40 Chart of all 29 X nuclei with spin ½
41 CP of standard nuclei
42 CP of exotic nuclei
43 Some reference compounds for CP set-up
NMR Basics. Lecture 2
NMR Basics Lecture 2 Continuous wave (CW) vs. FT NMR There are two ways of tuning a piano: - key by key and recording each sound (or frequency). - or, kind of brutal, is to hit with a sledgehammer and
Gradients. Effects of B0 gradients on transverse magnetisation Similar to figure 10 of Sattler review Progr. NMR 34 (1999), 93
Gradients 1. What are gradients? Modern high-resolution NMR probes contain -besides the RF coils - additional coils that can be fed a DC current. The coils are built so that a pulse (~1 ms long) of DC
Chapter 1. 1 The NMR Spectrometer. 1.1 Components of an NMR Spectrometer The Magnet
Chapter 1 1 The NMR Spectrometer 1.1 Components of an NMR Spectrometer 1.1.1 The Magnet In most current NMR spectrometers the magnetic field is generated by a superconducting magnet (Fig. 1.1). The first
B12. SIMPSON Exercises
B12 SIMPSON Exercises Thomas Vosegaard SIMPSON may be downloaded from http://www.bionmr.chem.au.dk/download/b12. SIMPSON Exercises Everything typed in Courier refers to commands to be typed on the keyboard
Acceptance Solid State NMR Test Procedure. for Avance NMR Systems
Acceptance Solid State NMR Test Procedure for Avance NMR Systems Manual P/N B92999 Acceptance Solid State NMR Test Procedures for AVANCE systems Index: 04 Number: B92999 Page: 1 (42) 1. Purpose 2. Area
The Agilent OneNMR Probe
The Agilent OneNMR Probe Technical Overview Introduction The Agilent OneNMR probe represents a new class of NMR probes. This technology is the most signifi cant advance in solution-state probes in over
Fast Methods for Small Molecules
Fast Methods for Small Molecules Technical Overview Throughput is a key concern in many NMR laboratories, and using faster methods is one way to increase it. Traditionally, multidimensional NMR requires
Nutation Spectra of Nuclear Quadrupole Resonance in Off-Resonance Conditions
Nutation Spectra of Nuclear Quadrupole Resonance in Off-Resonance Conditions Nicolay Sinyavsky and Mariusz Mackowiak a Baltic State Academy, Molodiozhnaya str. 6, 236029 Kaliningrad, Russia a Institute
Student Name: Date Completed: Supervisor:
2 NMR Training for the 600 MHz NMR with Chempack INOVA 600 Tests and Assignment Certification Student Name: 600-Test #1: The student will be given a written test administered by Dr. Lee. This test will
Workshop on Rapid Scan EPR. University of Denver EPR Center and Bruker BioSpin July 28, 2013
Workshop on Rapid Scan EPR University of Denver EPR Center and Bruker BioSpin July 28, 2013 Direct detection Direct detected magnetic resonance that is, without modulation and phase-sensitive detection
NMR Hardware 06/06/2017. Outline. Instrumentation: Magnet. Increasing magnetic field increases Sensitivity, by power of 3/2 Dispersion, linearly
NMR Hardware Outline Magnet Lock Shims Gradient Probe Signal generation and transmitters Receiver and digitizer Variable temperature system Solids hardware Instrumentation: Magnet Often the most impressive
Your first NMR measurement
Your first NMR measurement Introduction Select 10mM water in D2O as NMR sample. The NMR spectrum of such sample consists of only two signals: the water signal and the peak of the reference (TSP). Follow
PHY3902 PHY3904. Nuclear magnetic resonance Laboratory Protocol
PHY3902 PHY3904 Nuclear magnetic resonance Laboratory Protocol PHY3902 PHY3904 Nuclear magnetic resonance Laboratory Protocol GETTING STARTED You might be tempted now to put a sample in the probe and try
PINMRF. Varian 300 MHz NMR Spectrometers User Guide for Advanced 1D and Basic 2D NMR Experiments
PINMRF Varian 300 MHz NMR Spectrometers User Guide for Advanced 1D and Basic 2D NMR Experiments INCLUDING: Inova-300-1 w/ 5mm 4-nucleus probe 365 WTHR Inova-300-2 w/ 5mm 4-nucleus probe 4100 BRWN Table
Supplementary Information
Supplementary Information CP HISQC: a better version of HSQC experiment for intrinsically disordered proteins under physiological conditions. Tairan Yuwen a & Nikolai R. Skrynnikov a,b * (a) Department
Evaluation of Adiabatic Frequency-Modulated Schemes for Broadband Decoupling in Isotropic Liquids
JOURNAL OF MAGNETIC RESONANCE, Series A 119, 129 133 (1996) ARTICLE NO. 0062 Evaluation of Adiabatic Frequency-Modulated Schemes for Broadband Decoupling in Isotropic Liquids RIQIANG FU AND GEOFFREY BODENHAUSEN*
If the magnetic field is larger, more energy is required to excite a given nucleus.
1 2 If an NMR-active nucleus such as 1 H or 13 C is put into a magnet field, then it will come into resonance if it is irradiated with rf at the correct frequency. The correct frequency depends mainly
In a typical biological sample the concentration of the solute is 1 mm or less. In many situations,
Water suppression n a typical biological sample the concentration of the solute is 1 mm or less. n many situations, the signals of interest are those of amide protons that exchange with the solvent water.
(N)MR Imaging. Lab Course Script. FMP PhD Autumn School. Location: C81, MRI Lab B0.03 (basement) Instructor: Leif Schröder. Date: November 3rd, 2010
(N)MR Imaging Lab Course Script FMP PhD Autumn School Location: C81, MRI Lab B0.03 (basement) Instructor: Leif Schröder Date: November 3rd, 2010 1 Purpose: Understanding the basic principles of MR imaging
Fundamentals of NMR MRI Workshop Dayananda Sagar Institutes 29 May 2014 K.V.RAMANATHAN NMR Research Centre Indian Institute of Science Bangalore
Fundamentals of NMR MRI Workshop Dayananda Sagar Institutes 29 May 2014 K.V.RAMANATHAN NMR Research Centre Indian Institute of Science Bangalore NMR It is an Ubiquitous Technique Physics Chemistry Structural
7 Equipments. Spectrometers
7 Equipments Spectrometers There are three spectrometers located in the NMR laboratory: Varian UNITYplus 500 MHz (NMR500), Varian UNITYplus 500 MHz (Nightmare) and Varian INOVA 600 MHz. All spectrometers
A Conceptual Tour of Pulsed NMR*
A Conceptual Tour of Pulsed NMR* Many nuclei, but not all, possess both a magnetic moment, µ, and an angular momentum, L. Such particles are said to have spin. When the angular momentum and magnetic moment
THE INSTRUMENT. I. Introduction
THE INSTRUMENT I. Introduction Teach Spin's PS1-A is the first pulsed nuclear magnetic resonance spectrometer signed specifically for teaching. It provides physics, chemistry, biology, geology, and other
2015 Spin echoes and projection imaging
1. Spin Echoes 1.1 Find f0, transmit amplitudes, and shim settings In order to acquire spin echoes, we first need to find the appropriate scanner settings using the FID GUI. This was all done last week,
PULSED/CW NUCLEAR MAGNETIC RESONANCE
PULSED/CW NUCLEAR MAGNETIC RESONANCE The Second Generation of TeachSpin s Classic Explore NMR for both Hydrogen (at 21 MHz) and Fluorine Nuclei Magnetic Field Stabilized to 1 part in 2 million Homogenize
Background (~EE369B)
Background (~EE369B) Magnetic Resonance Imaging D. Nishimura Overview of NMR Hardware Image formation and k-space Excitation k-space Signals and contrast Signal-to-Noise Ratio (SNR) Pulse Sequences 13
Lab 8 6.S02 Spring 2013 MRI Projection Imaging
1. Spin Echos 1.1 Find f0, TX amplitudes, and shim settings In order to acquire spin echos, we first need to find the appropriate scanner settings using the FID GUI. This was all done last week, but these
1D Transient NOE on the Bruker DRX-500 and DRX-600
1D Transient NOE on the Bruker DRX-500 and DRX-600 Reference: Stott, K., Stonehouse, J., Keeler, T.L. and Shaka, A.J., J. Amer. Chem. Soc. 1995, 117 (14), pp. 4199-4200. At thermal equilibrium in a strong
SUPPORTING INFORMATION
Eur. J. Org. Chem. 2008 WILEY-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, 2008 ISSN 1434 193X SUPPORTING INFORMATION Title: Structural Elucidation with NMR Spectroscopy: Practical Strategies for Organic
400 MHz spectrometer user manual
400 MHz spectrometer user manual january 2017 Sandrine Denis-Quanquin 1. THE NMR SPECTROMETER... 3 2. MANUAL MODE / AUTOMATION... 4 2.1 SAMPLE CHANGER... 4 2.2 MANUAL MODE... 4 2.3 AUTOMATION... 4 3. PRELIMINARY
Solid State Nuclear Magnetic Resonance
Solid State Nuclear Magnetic Resonance 40 (2011) 21 26 Contents lists available at ScienceDirect Solid State Nuclear Magnetic Resonance journal homepage: www.elsevier.com/locate/ssnmr Efficiency at high
Implementing ultrafast 2D NMR experiments on a Bruker Avance Spectrometer
Implementing ultrafast 2D NMR experiments on a Bruker Avance Spectrometer Laetitia Rouger, Benoît Charrier, Serge Akoka, Patrick Giraudeau EBSI group CEISAM laboratory http://www.sciences.univ-nantes.fr/ceisam/en_ebsi1.php
H Micro-Imaging. Tuning and Matching. i. Open any 1H data set and type wobb.
- 1-1 H Micro-Imaging The NMR-specific properties of the objects are visualized as multidimensional images. Translational motion can be observed and spectroscopic information can be spatially resolved.
HMBC 17. Goto. Introduction AVANCE User s Guide Bruker 185
Chapter HMBC 17 Introduction 17.1 Goto Heteronuclear Multiple Bond Correlation spectroscopy is a modified version of HMQC suitable for determining long-range 1 H- 13 C connectivity. This is useful in determining
Arrayed Acquisition in VNMR and on the Gemini 1
Arrayed Acquisition in VNMR and on the Gemini 1 I. Arrays in VNMR Vnmr allows you to quickly define experiments in which a series of spectra can be obtained as a function of any NMR parameter. For example,
Supplementary Figure 1. Scanning Electron Microscopy images of the pristine electrodes. (a) negative electrode and (b) positive electrode.
a b Supplementary Figure 1. Scanning Electron Microscopy images of the pristine electrodes. (a) negative electrode and (b) positive electrode. Images were performed using a FEI/Philips XL4 microscope with
EC 554 Data Communications
EC 554 Data Communications Mohamed Khedr http://webmail. webmail.aast.edu/~khedraast.edu/~khedr Syllabus Tentatively Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8 Week 9 Week 10 Week 11 Week
10. Phase Cycling and Pulsed Field Gradients Introduction to Phase Cycling - Quadrature images
10. Phase Cycling and Pulsed Field Gradients 10.1 Introduction to Phase Cycling - Quadrature images The selection of coherence transfer pathways (CTP) by phase cycling or PFGs is the tool that allows the
SC5307A/SC5308A 100 khz to 6 GHz RF Downconverter. Datasheet SignalCore, Inc.
SC5307A/SC5308A 100 khz to 6 GHz RF Downconverter Datasheet 2017 SignalCore, Inc. support@signalcore.com P RODUCT S PECIFICATIONS Definition of Terms The following terms are used throughout this datasheet
Using Frequency Diversity to Improve Measurement Speed Roger Dygert MI Technologies, 1125 Satellite Blvd., Suite 100 Suwanee, GA 30024
Using Frequency Diversity to Improve Measurement Speed Roger Dygert MI Technologies, 1125 Satellite Blvd., Suite 1 Suwanee, GA 324 ABSTRACT Conventional antenna measurement systems use a multiplexer or
MRI & NMR spectrometer
AMOS MRI & NMR spectrometer The AMOS Spectrometer is a highly modular and flexible unit that provides the ability to customize synchronized configurations for preclinical and clinical MR applications.
Laboratory Experiments for Nuclear Magnetic Resonance Spectroscopy May 6, 2004
CONTENTS 1 Contents Laboratory Experiments for Nuclear Magnetic Resonance Spectroscopy May 6, 2004 1 Introduction 3 2 Safety 3 2.1 High Magnetic Fields......................................... 3 2.1.1
2D heteronuclear correlation experiments
2D heteronuclear correlation experiments Assistant Professor Kenneth Kongstad Bioanalytical Chemistry and Metabolomics Research Group Section for Natural Products and Peptides Department of Drug Design
DSA700 Series Spectrum Analyzer
DSA700 Series Spectrum Analyzer Product Features: All-Digital IF Technology Frequency Range from 100 khz up to 1 GHz Min. -155 dbm Displayed Average Noise Level (Typ.) Min.
Towards an RF Wien-Filter for EDM Searches in Storage Rings
Towards an RF Wien-Filter for EDM Searches in Storage Rings DPG Annual Spring Meeting 2015 Wuppertal, March 10, 2015 Sebastian Mey and Ralf Gebel for the JEDI Collaboration Forschungszentrum Jülich Content
STELAR s.r.l. via E. Fermi, Mede (PV) - Italy tel Uni-Pavia 24/11/06
STELAR s.r.l. via E. Fermi,4 27035 Mede (PV) - Italy tel. +39 0384 820096 www.stelar.it info@stelar.it Uni-Pavia 24/11/06 From theory to practice... Gianni Ferrante Stelar School on Field Cycling NMR relaxometry
HETERONUCLEAR IMAGING. Topics to be Discussed:
HETERONUCLEAR IMAGING BioE-594 Advanced MRI By:- Rajitha Mullapudi 04/06/2006 Topics to be Discussed: What is heteronuclear imaging. Comparing the hardware of MRI and heteronuclear imaging. Clinical applications
NMR Spectroscopy with Radio Frequency Gradients.
RF GRASP TM NMR Spectroscopy with Radio Frequency Gradients. BRUKER Werner E. Maas Bruker Instruments, Inc. 19 Fortune Drive Billerica, MA 01821 USA version 1.2 February, 1996 Copyright 1996 Bruker Instruments,
A Complete Digital Magnetic Resonance Imaging (MRI) System at Low Magnetic Field (0.1 Tesla)
IEEE Instrumentation and Measurement Technology Conference Anchorage, AK, USA, 21-23 May 2002 A Complete igital Magnetic Resonance Imaging (MRI) System at Low Magnetic Field (0.1 Tesla) Kosai RAOOF*, IEEE
Supplementary Figure 1 Overview of samples used for the structure determination of the Pf 26mer Box C/D RNA. a, A,C lab -RNA, b, A,G lab -RNA, c, A,U
Supplementary Figure 1 Overview of samples used for the structure determination of the Pf 26mer Box C/D RNA. a, A,C lab -RNA, b, A,G lab -RNA, c, A,U lab -RNA, d, C,U lab -RNA, e, G,C lab -RNA, f, G,U
PULSED NUCLEAR MAGNETIC RESONANCE. Advanced Laboratory, Physics 407 University of Wisconsin Madison, Wisconsin 53706
(revised, 2/12/07) PULSED NUCLEAR MAGNETIC RESONANCE Advanced Laboratory, Physics 407 University of Wisconsin Madison, Wisconsin 53706 Abstract A pulsed nuclear magnetic resonance technique (spin-echo)
Ultrahigh-resolution Total Correlation NMR Spectroscopy
Ultrahigh-resolution Total Correlation NMR Spectroscopy Supporting Information Mohammadali Foroozandeh, Ralph W. Adams, Mathias Nilsson and Gareth A. Morris* All experimental spectra were recorded at a
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005
SCOPE OF ACCREDITATION TO ISO/IEC 17025:2005 JEL LIMITED 2971 Nakabyo, Abiko-City Chiba-Prefecture, 270-1121, JAPAN Keiichiro Murata Phone: +81 4 7188 5333 Email: murata@jel.co.jp CALIBRATION Valid To:
14N overtone NMR spectra under magic angle spinning: Experiments and numerically exact simulations
14N overtone NMR spectra under magic angle spinning: Experiments and numerically exact simulations Luke A. O Dell and Andreas Brinkmann Citation: J. Chem. Phys. 138, 064201 (2013); doi: 10.1063/1.4775592
Filter Configurations
Filter Configurations for High Resolution NMR and CP MAS Version 003 BRUKER The information in this manual may be altered without notice. BRUKER accepts no responsibility for actions taken as a result
Keysight Technologies N9320B RF Spectrum Analyzer
Keysight Technologies N9320B RF Spectrum Analyzer 9 khz to 3.0 GHz Data Sheet Definitions and Conditions The spectrum analyzer will meet its specifications when: It is within its calibration cycle It has
NMR Spectrometer Hardware
NMR Spectrometer Hardware Manoj Naik NMR Facility, TIFR Workshop on NMR & its applications TIFR, Mumbai November 23, 2009 Principle of NMR ω = γ B Nuclear Magnetic Resonance A Simplified 6 0 MHz NMR Spectrometer
Agilent N9320B RF Spectrum Analyzer
Agilent N9320B RF Spectrum Analyzer 9 khz to 3.0 GHz Data Sheet Definitions and Conditions The spectrum analyzer will meet its specifications when: It is within its calibration cycle It has been turned
Data and Computer Communications Chapter 3 Data Transmission
Data and Computer Communications Chapter 3 Data Transmission Eighth Edition by William Stallings Transmission Terminology data transmission occurs between a transmitter & receiver via some medium guided
Development of high-sensitivity magnetometer for EDM experiment with 129 Xe spin oscillator
Development of high-sensitivity magnetometer for EDM experiment with 129 Xe spin oscillator A. Yoshimi RIKEN Nishina Center ( ~ 2011.9) Okayama University ( 2011.10 ~ ) T. Nanao 1, T. Inoue 1, M. Chikamori
Bruker BioSpin. Solid State NMR. AVANCE Solids User Manual. Version. NMR Spectroscopy. think forward
Bruker BioSpin Solid State NMR AVANCE Solids User Manual Version 002 think forward NMR Spectroscopy The information in this manual may be altered without notice. BRUKER BIOSPIN accepts no responsibility
Open acqi window if the button has been lost. autolocking routine, alock= y for autolocking, alock= n for typical manual locking
Glossary of Common NMR Commands and Terms aa acqi ai alock aph array at points (np) axis='p' axis= pd BPsvf bc bs cd directory abort acquisition, hard stop Open acqi window if the button has been lost
P a g e 1 ST985. TDR Cable Analyzer Instruction Manual. Analog Arts Inc.
P a g e 1 ST985 TDR Cable Analyzer Instruction Manual Analog Arts Inc. www.analogarts.com P a g e 2 Contents Software Installation... 4 Specifications... 4 Handling Precautions... 4 Operation Instruction...
6.S02 MRI Lab Acquire MR signals. 2.1 Free Induction decay (FID)
6.S02 MRI Lab 1 2. Acquire MR signals Connecting to the scanner Connect to VMware on the Lab Macs. Download and extract the following zip file in the MRI Lab dropbox folder: https://www.dropbox.com/s/ga8ga4a0sxwe62e/mit_download.zip
Agilent ESA-L Series Spectrum Analyzers
Agilent ESA-L Series Spectrum Analyzers Data Sheet Available frequency ranges E4403B E4408B 9 khz to 1.5 GHz 9 khz to 3.0 GHz 9 khz to 26.5 GHz As the lowest cost ESA option, these basic analyzers are
4G MIMO ANTENNA DESIGN & Verification
4G MIMO ANTENNA DESIGN & Verification Using Genesys And Momentum GX To Develop MIMO Antennas Agenda 4G Wireless Technology Review Of Patch Technology Review Of Antenna Terminology Design Procedure In Genesys
Heterodyne Sweeping Radiometer
46 Robezu str. LV-1004 Riga, Latvia Fax: +371-7-065102 Mm-wave Division in St. Petersburg, Russia Fax: +7-812- 326-10-60 Tel: +7-812-326-59-24 E-mail: ivanovph@nnz.ru Heterodyne Sweeping Radiometer Operation
1GHz low voltage LNA, mixer and VCO
DESCRIPTION The is a combined RF amplifier, VCO with tracking bandpass filter and mixer designed for high-performance low-power communication systems from 800-1200MHz. The low-noise preamplifier has a
Development of a new Q-meter module
A. Berlin,, W. Meyer, G. Reicherz Experimentalphysik I, Ruhr-Universität Bochum E-mail: jonas.herick@rub.de In the research field of polarized target physics the Q-meter is a well established technique
R. J. Jones College of Optical Sciences OPTI 511L Fall 2017
R. J. Jones College of Optical Sciences OPTI 511L Fall 2017 Active Modelocking of a Helium-Neon Laser The generation of short optical pulses is important for a wide variety of applications, from time-resolved
User manual Bruker DPX200 NMR spectrometer
User manual Bruker DPX200 NMR spectrometer Insert the NMR tube in the spinner in such a way that the bottom of the tube reaches the grey disc at the bottom of the spinnerholder. Make sure that the NMR
Nuclear Magnetic Resonance (NMR)
California Institute of Technology Physics 77 Nuclear Magnetic Resonance (NMR) Eric D. Black September 27, 2005 1 Theory Read Section 14.4 of Shankar, Spin Dynamics, including the optional digression on
8853Q Spectrum Analyzer
Increases Productivity by Providing a Complete Set of Spectrum Analysis Tests in One Instrument Intuitive User Interface Shortens Learning Curve Full-Featured, High-Performance, Remote Operation Automated
SC5407A/SC5408A 100 khz to 6 GHz RF Upconverter. Datasheet. Rev SignalCore, Inc.
SC5407A/SC5408A 100 khz to 6 GHz RF Upconverter Datasheet Rev 1.2 2017 SignalCore, Inc. support@signalcore.com P R O D U C T S P E C I F I C A T I O N S Definition of Terms The following terms are used
PHYS 235: Homework Problems
PHYS 235: Homework Problems 1. The illustration is a facsimile of an oscilloscope screen like the ones you use in lab. sinusoidal signal from your function generator is the input for Channel 1, and your
Agilent 8657A/8657B Signal Generators
Agilent / Signal Generators Profile Spectral performance for general-purpose test Overview The Agilent Technologies and signal generators are designed to test AM, FM, and pulsed receivers as well as components.
Specification for Conducted Emission Test
1 of 10 1. EMI Receiver Frequency range 9kHz 7.0 GHz Measurement time per frequency 10 µs to 100 s time sweep, span = 0 Hz - 1 µs to 16000 s Sweep time in steps of 5 % frequency sweep, span 10 Hz - 2.5
Lecture 7: Basics of magnetic resonance imaging (MRI): one dimensional Fourier imaging
Lecture 7: Basics of magnetic resonance imaging (MRI): one dimensional Fourier imaging Lecture aims to explain: 1. Basic aims of magnetic resonance imaging 2. Signal demodulation in magnetic resonance
Low frequency noise measurements in direct detection radiometers
Low frequency noise measurements in direct detection radiometers E. Artal, B. Aja, J. Cagigas, J.L. Cano, L. de la Fuente, A. Pérez, E. Villa Universidad de Cantabria, Santander (Spain) Receiver Gain Stability
8. TERRESTRIAL DIGITAL VIDEO BROADCASTING MEASUREMENT
Goals of measurement 1) Display spectrum of output signal from transmitter of digital video broadcasting. 2) Draw constellation diagrams of particular sub-carriers of output signal. 3) Determine minimum
GMES Sentinel-1 Transponder Development
GMES Sentinel-1 Transponder Development Paul Snoeij Evert Attema Björn Rommen Nicolas Floury Malcolm Davidson ESA/ESTEC, European Space Agency, Noordwijk, The Netherlands Outline 1. GMES Sentinel-1 overview
The VSX3622, a 1.5 kw X-Band GaN Power Amplifier for Radar Application
The VSX3622, a 1.5 kw X-Band GaN Power Amplifier for Radar Application George Solomon, Dave Riffelmacher, Matt Boucher, Mike Tracy, Brian Carlson, Todd Treado Communications & Power Industries LLC, Beverly
Twelve voice signals, each band-limited to 3 khz, are frequency -multiplexed using 1 khz guard bands between channels and between the main carrier
Twelve voice signals, each band-limited to 3 khz, are frequency -multiplexed using 1 khz guard bands between channels and between the main carrier and the first channel. The modulation of the main carrier
LB480A Pulse Profiling USB PowerSensor+ Data Sheet
Key PowerSensor+ Specifications 50 MHz to 8 GHz (functional to 10 GHz) - 60 dbm to +20 dbm 1.95% Total Error* 1.09:1 VSWR (-27 db Return Loss) * Measuring a well matched DUT (-20 dbm @ 1 GHz) No Zero No
MEASUREMENT AND MINIMIZATION OF FIELD INHOMOGENEITIES IN HIGH RESOLUTION NMR
MEASUREMENT AND MINIMIZATION OF FIELD INHOMOGENEITIES IN HIGH RESOLUTION NMR SAMPO MATTILA Department of Chemistry, University of Oulu OULU 2001 SAMPO MATTILA MEASUREMENT AND MINIMIZATION OF FIELD INHOMOGENEITIES
R3477. Ideal for mobile communication applications including base stations and handsets, from the development stage to production and installation
R3477 Signal Analyzers Ideal for mobile communication applications including base stations and handsets, from the development stage to production and installation Frequency range: 9 khz to 13.5 GHz World
Chapter 5 Specifications
RIGOL Specifications are valid under the following conditions: the instrument is within the calibration period, is stored for at least two hours at 0 to 50 temperature and is warmed up for 40 minutes.
An FT-ICR detection system for KATRIN
An FT-ICR detection system for KATRIN Marta Ubieto Díaz 1, Klaus Blaum 1, R. Burcu Cakirli 1, Michael Heck 1, Strahinja Lukić, Daniel Rodríguez 3, Lutz Schweikhard 4, Stefan Stahl 5 1 Max-Planck-Institut
Pulsed NMR Experiment Guide Kenneth Jackson Physics 173, Spring 2014 Professor Tsai
Pulsed NMR Experiment Guide Kenneth Jackson Physics 173, Spring 2014 Professor Tsai 1. Introduction NMR or nuclear magnetic resonance occurs when nuclei are placed in a magnetic field. It is a physical
Introduction to Envelope Tracking. G J Wimpenny Snr Director Technology, Qualcomm UK Ltd
Introduction to Envelope Tracking G J Wimpenny Snr Director Technology, Qualcomm UK Ltd Envelope Tracking Historical Context EER first proposed by Leonard Kahn in 1952 to improve efficiency of SSB transmitters
A DNP-NMR setup for sub-nanoliter samples
A DNP-NMR setup for sub-nanoliter samples Pedro Freire da Silva, Supervisor(s): Prof. Giovanni Boero, Prof. Pedro Sebastião The electrical and mechanical design for a non-magnetic, 2.5x2.5 cm 2 setup with
Model 310H Fast 800V Pulse Generator
KEY FEATURES Temperature Stability +/-5ppm 100 V to 800 V into 50 Ω
Satellite Communications: Part 4 Signal Distortions & Errors and their Relation to Communication Channel Specifications. Howard Hausman April 1, 2010
Satellite Communications: Part 4 Signal Distortions & Errors and their Relation to Communication Channel Specifications Howard Hausman April 1, 2010 Satellite Communications: Part 4 Signal Distortions
Introduction. In the frequency domain, complex signals are separated into their frequency components, and the level at each frequency is displayed
SPECTRUM ANALYZER Introduction A spectrum analyzer measures the amplitude of an input signal versus frequency within the full frequency range of the instrument The spectrum analyzer is to the frequency
INTEGRATED CIRCUITS. AN1221 Switched-mode drives for DC motors. Author: Lester J. Hadley, Jr.
INTEGRATED CIRCUITS Author: Lester J. Hadley, Jr. 1988 Dec Author: Lester J. Hadley, Jr. ABSTRACT The purpose of this paper is to demonstrate the use of integrated switched-mode controllers, generally
Lab Exercise PN: Phase Noise Measurement - 1 -
Lab Exercise PN: Phase Noise Measurements Phase noise is a critical specification for oscillators used in applications such as Doppler radar and synchronous communications systems. It is tricky to measure
TETRA Tx Test Solution
Product Introduction TETRA Tx Test Solution Signal Analyzer Reference Specifications ETSI EN 300 394-1 V3.3.1(2015-04) / Part1: Radio ETSI TS 100 392-2 V3.6.1(2013-05) / Part2: Air Interface May. 2016
Understanding the Magnetic Resonance Spectrum of Nitrogen Vacancy Centers in an Ensemble of Randomly-Oriented Nanodiamonds, Supporting Information
Understanding the Magnetic Resonance Spectrum of Nitrogen Vacancy Centers in an Ensemble of Randomly-Oriented Nanodiamonds, Supporting Information Keunhong Jeong *1,2, Anna J. Parker *1,2, Ralph H. Page
Modern radio techniques
Modern radio techniques for probing the ionosphere Receiver, radar, advanced ionospheric sounder, and related techniques Cesidio Bianchi INGV - Roma Italy Ionospheric properties related to radio waves
Fabry Perot Resonator (CA-1140)
Fabry Perot Resonator (CA-1140) The open frame Fabry Perot kit CA-1140 was designed for demonstration and investigation of characteristics like resonance, free spectral range and finesse of a resonator.