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14n (70) 70
spectroscopy (54) 54
nmr (40) 40
14n nmr (39) 39
chemistry, physical (36) 36
index medicus (35) 35
n nmr (33) 33
n-14 nmr (23) 23
magnetic resonance spectroscopy - methods (22) 22
physics, atomic, molecular & chemical (22) 22
solid-state nmr (22) 22
nuclear reactions (21) 21
n (20) 20
n-14 (20) 20
chemistry, multidisciplinary (19) 19
nitrogen (19) 19
nitrogen - chemistry (16) 16
molecular structure (15) 15
analysis (14) 14
chemistry (14) 14
biochemical research methods (13) 13
algorithms (12) 12
14n nqr (11) 11
15n (11) 11
computer simulation (11) 11
c-13 (10) 10
measured σ (10) 10
models, chemical (10) 10
models, molecular (10) 10
nqr (10) 10
nuclear magnetic resonance (10) 10
nuclear-magnetic-resonance (10) 10
protons (10) 10
13c nmr (9) 9
c (9) 9
nitrogen isotopes (9) 9
quantum theory (9) 9
relaxation (9) 9
c nmr (8) 8
hydrogen bonding (8) 8
n-15 nmr (8) 8
spectra (8) 8
14n nuclear quadrupole resonance (7) 7
15n nmr (7) 7
17o nmr (7) 7
ab initio calculations (7) 7
c-13 nmr (7) 7
carbon (7) 7
dft (7) 7
electric field gradient (7) 7
hmqc (7) 7
mas (7) 7
measured (7) 7
n and (7) 7
o nmr (7) 7
physics, nuclear (7) 7
14n-nmr (6) 6
double resonance (6) 6
epr (6) 6
magic-angle spinning (6) 6
magnetic resonance spectroscopy (6) 6
n-15 (6) 6
n-15/n-14 (6) 6
nuclear magnetic resonance, biomolecular - methods (6) 6
physics, condensed matter (6) 6
protonation (6) 6
quadrupolar nuclei (6) 6
sensitivity and specificity (6) 6
temperature (6) 6
13c (5) 5
abundance (5) 5
amino acids (5) 5
biochemistry & molecular biology (5) 5
electric dipole moment (5) 5
electrons (5) 5
esr (5) 5
h nmr (5) 5
h-1 (5) 5
humans (5) 5
mas nmr (5) 5
n nuclear quadrupole resonance (5) 5
n-nmr (5) 5
nitrification (5) 5
nitrogen chemical shifts (5) 5
nuclear magnetic resonance spectroscopy (5) 5
nuclear science & technology (5) 5
o-17 nmr (5) 5
organic chemistry (5) 5
polarization transfer (5) 5
resonance (5) 5
spin labels (5) 5
12c (4) 4
15n/14n (4) 4
ab-initio (4) 4
amino-acids (4) 4
animals (4) 4
c-13/c-12 (4) 4
derivatives (4) 4
detectors (4) 4
formula omitted (4) 4
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Journal Article
Journal of Magnetic Resonance, ISSN 1090-7807, 2014, Volume 244, pp. 85 - 89
Polarization transfer between spin-1/2 nuclei and quadrupolar spin-1 nuclei such as N in solid-state NMR is severely challenged by the typical presence of... 
Polarization transfer | Solid-state NMR | 14N | Magic-angle spinning | Nuclear magnetic resonance spectroscopy
Journal Article
Chemical Physics, ISSN 0301-0104, 09/2018, Volume 513, pp. 129 - 134
The T1 and T2 relaxation times of some nitrogen-containing liquids were measured by 14N pulse nuclear magnetic resonance (NMR) in the magnetic field of... 
Detection of energetic and dangerous liquids | Nuclear magnetic resonance (NMR) | 14N NMR relaxation | N NMR relaxation
Journal Article
The Journal of Physical Chemistry B, ISSN 1520-6106, 01/2015, Volume 119, Issue 2, pp. 519 - 531
We explore the deconvolution of water–nitrate correlations by the first-order difference approach involving neutron diffraction of heavy- and null-aqueous... 
NDIS, XRD | INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY | nitrate ion hydration | 14N 15N and natON 18ON isotopic substitution | molecular dynamics | coordination numbers
Journal Article
Chemical Physics, ISSN 0301-0104, 04/2018, Volume 506, pp. 52 - 60
In recent years, considerable interest has been shown in the study of tetrazole derivatives, which attract attention as highly nitrogenous compounds for use as... 
5-aminotetrazole monohydrate | 14N Nuclear Quadrupole Resonance | Tetrazole | DFT calculations | N Nuclear Quadrupole Resonance
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 10/2019, Volume 263, pp. 235 - 247
Organic matter contained in carbonaceous chondrites may have evolved due to aqueous and/or thermal evolution on the parent body. The thermal behavior of the... 
15N/14N ratio | Orgueil | Insoluble organic matter | Isotope | Carbonaceous chondrite | Hotspots | D/H ratio | DEUTERIUM ENRICHMENT | RAMAN-SPECTROSCOPY | GEOCHEMISTRY & GEOPHYSICS | HYDROGEN | EVOLUTION | MURCHISON METEORITE | INTERSTELLAR | CARBONACEOUS CHONDRITES | NITROGEN | SOLAR-SYSTEM | CM CHONDRITES | Nitrogen | Hydrogen | Meteorites | Sciences of the Universe
Journal Article
Soil Biology and Biochemistry, ISSN 0038-0717, 2005, Volume 37, Issue 9, pp. 1718 - 1725
In soil a high number of species co-exist without extensive niche differentiation, which was assigned as ‘the enigma of soil animal species diversity’. In... 
Collembola | Feeding guilds | Nitrogen stable isotopes | 15N/ 14N ratios | N ratios | nitrogen stable isotopes | FUNGI | N-15/N-14 ratios | SOIL FOOD-WEB | FUNCTIONAL-ROLE | ONYCHIURUS-SUBTENUIS COLLEMBOLA | AGRICULTURE, SOIL SCIENCE | FOLSOMIA-CANDIDA | BEECH FORESTS | MIXED DIETS | NATURAL-ABUNDANCE | feeding guilds | PREFERENCES | DELTA-N-15 | Niche (Ecology) | Detritus | Biological diversity
Journal Article
Ecological Research, ISSN 0912-3814, 7/2011, Volume 26, Issue 4, pp. 835 - 844
Compound-specific stable isotope analysis (CSIA) of amino acids is a new method that enables estimates of trophic position for consumers in food webs. We... 
Life Sciences | Omnivory | Behavioural Sciences | Zoology | Forestry | Trophic position | Ecology | Evolutionary Biology | Plant Sciences | Nitrogen isotopic composition | Metamorphosis
Journal Article
Journal of Magnetic Resonance, ISSN 1090-7807, 09/2018, Volume 294, pp. 101 - 114
Journal Article
Magnetic Resonance in Chemistry, ISSN 0749-1581, 09/2018, Volume 56, Issue 9, pp. 799 - 802
The NMR intensity pattern of a nucleus split by N identical nuclei of spin 1/2 is given by the binomial coefficients. These are conveniently obtained from... 
11B | NMR | EPR | spin–spin splitting | 14N | 35Cl | multiplet pattern | spin-spin splitting | SPECTROSCOPY | B-11 | N-14 | Cl-35 | CHEMISTRY, PHYSICAL | H-2 | CHEMISTRY, MULTIDISCIPLINARY | Organic chemistry | Splitting | Nuclear magnetic resonance--NMR | Binomial coefficients | Equivalence | Polynomials | Nuclei
Journal Article
Journal of Pharmaceutical Sciences, ISSN 0022-3549, 06/2015, Volume 104, Issue 6, pp. 1909 - 1918
Journal Article