Works matching AU Hansen, Poul Erik

Results: 77

SEQUENCE AND STRUCTURAL ANALYSIS OF κ-CARRAGEENAN-DERIVED OLIGOSACCHARIDES BY TWO-DIMENSIONAL NUCLEAR MAGNETIC RESONANCE.

Published in:

Journal of Phycology, 2010, v. 46, n. 4, p. 831, doi. 10.1111/j.1529-8817.2010.00861.x

By:

Wei Zhang;
Ming Liu;
Hansen, Poul Erik;
Guangli Yu;
Bo Yang;
Xia Zhao

Publication type:

Article

Chemical constituents of Geum urbanum L. roots.

Published in:

Natural Product Research, 2018, v. 32, n. 21, p. 2529, doi. 10.1080/14786419.2018.1425844

By:

Ton That, Quang;
Nguyen Thien, Truong Van;
Dang, Huu Phuc;
Le Hoan, Ngoc;
Vo, Loan Kieu Thi;
Nguyen, Minh Huu Duc;
Ngu, Nhan Truong;
Nguyen, Thien S.;
Hansen, Poul Erik

Publication type:

Article

Bioactivities and chemical constituents of a Vietnamese medicinal plant Che Vang, Jasminum subtriplinerve Blume (Oleaceae).

Published in:

Natural Product Research, 2008, v. 22, n. 11, p. 942, doi. 10.1080/14786410701647119

By:

Hue Ngan, Dai;
Hoai, Ho Thi Cam;
Mai Huong, Le;
Hansen, Poul Erik;
Vang, Ole

Publication type:

Article

Acetyl cedrene and its follower. An Isotopic, NMR and MS Structure elucidation and deuteriation study.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2011, v. 54, n. 3, p. 126, doi. 10.1002/jlcr.1830

By:

Kamounah, Fadhil S.;
Christensen, Peter;
Hansen, Poul Erik

Publication type:

Article

Isotope effect on chemical shifts in hydrogen-bonded systems.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2007, v. 50, n. 11/12, p. 967, doi. 10.1002/jlcr.1440

By:

Hansen, Poul Erik

Publication type:

Article

Determination of K ow of Substituted Polycyclic Aromatic Compounds.

Published in:

Polycyclic Aromatic Compounds, 1997, v. 12, n. 3, p. 187, doi. 10.1080/10406639708233835

By:

Helweg, Christian;
Nielsen, Torben;
Hansen, Poul Erik

Publication type:

Article

Long-range deuterium isotope effects in tautomeric β-thioxoketones. A 1H and 13C NMR study.

Published in:

Journal of Physical Organic Chemistry, 1991, v. 4, n. 4, p. 225, doi. 10.1002/poc.610040405

By:

Hansen, Poul Erik;
Skibsted, Ulrik;
Duus, Fritz

Publication type:

Article

Aggregation of amphiphilic molecules in water. I. α-phenylethylamine: 1H and 13C NMR study.

Published in:

Journal of Physical Organic Chemistry, 1991, v. 4, n. 1, p. 58, doi. 10.1002/poc.610040110

By:

Kozerski, Lech;
Hansen, Poul Erik

Publication type:

Article

Letter to the Editor: Sequence-specific resonance assignments of the potent cytolysin equinatoxin II.

Published in:

Journal of Biomolecular NMR, 2000, v. 18, n. 3, p. 281, doi. 10.1023/A:1026793926271

By:

Wei Zhang;
Hinds, Mark G.;
Anderluh, Gregor;
Hansen, Poul Erik;
Norton, Raymond S.

Publication type:

Article

Tautomerism of pyridinylbutane‐1,3‐diones: An NMR and DFT study.

Published in:

Magnetic Resonance in Chemistry, 2023, v. 61, n. 6, p. 356, doi. 10.1002/mrc.5342

By:

Hansen, Poul Erik;
Darugar, Vahidreza;
Vakili, Mohammad;
Kamounah, Fadhil S.

Publication type:

Article

Azo‐hydrazone molecular switches: Synthesis and NMR conformational investigation.

Published in:

Magnetic Resonance in Chemistry, 2021, v. 59, n. 11, p. 1116, doi. 10.1002/mrc.5164

By:

Kurutos, Atanas;
Kamounah, Fadhil S.;
Dobrikov, Georgi M.;
Pittelkow, Michael;
Sauer, Stephan P. A.;
Hansen, Poul Erik

Publication type:

Article

One‐bond 1J(15N,H) coupling constants at sp2‐hybridized nitrogen of Schiff bases, enaminones and similar compounds: A theoretical study.

Published in:

Magnetic Resonance in Chemistry, 2020, v. 58, n. 8, p. 750, doi. 10.1002/mrc.5052

By:

Hansen, Poul Erik;
Saeed, Bahjat A.;
Rutu, Rita S.;
Kupka, Teobald

Publication type:

Article

Strong intramolecular hydrogen bonds and steric effects involving C═S groups: An NMR and computational study.

Published in:

Magnetic Resonance in Chemistry, 2020, v. 58, n. 2, p. 154, doi. 10.1002/mrc.4959

By:

Elias, Rita S.;
Saeed, Bahjat A.;
Kamounah, Fadhil S.;
Duus, Fritz;
Hansen, Poul Erik

Publication type:

Article

Structure of a new usnic acid derivative from a deacylating Mannich reaction: NMR studies supported by theoretical calculations of chemical shifts.

Published in:

Magnetic Resonance in Chemistry, 2018, v. 56, n. 11, p. 1094, doi. 10.1002/mrc.4760

By:

Nguyen, Huong Giang Thi;
Nguyen, Vinh Ngoc;
Kamounah, Fadhil S.;
Hansen, Poul Erik

Publication type:

Article

NMR, MP2, and DFT study of thiophenoxyketenimines (<italic>o</italic>‐thio‐Schiff bases): Determination of the preferred form.

Published in:

Magnetic Resonance in Chemistry, 2018, v. 56, n. 3, p. 172, doi. 10.1002/mrc.4677

By:

Saeed, Bahjat A.;
Elias, Rita S.;
Kamounah, Fadhil S.;
Hansen, Poul Erik

Publication type:

Article

Structure elucidation of four new megastigmanes from Sonneratia ovata Backer.

Published in:

2014

By:

Nguyen, Thi Hoai Thu;
Kim Tuyen Pham, Nguyen;
Pudhom, Khanitha;
Hansen, Poul Erik;
Nguyen, Kim Phi Phung

Publication type:

Other

Deuterium isotope effects on 13C chemical shifts of negatively charged NH...N systems.

Published in:

Magnetic Resonance in Chemistry, 2013, v. 51, n. 11, p. 683, doi. 10.1002/mrc.4000

By:

Pietrzak, Mariusz;
Grech, Eugeniusz;
Nowicka ‐ Scheibe, J.;
Hansen, Poul Erik

Publication type:

Article

Structural studies of the chemical constituents of Tithonia tagetiflora Desv. (Asteraceae).

Published in:

Magnetic Resonance in Chemistry, 2013, v. 51, n. 7, p. 439, doi. 10.1002/mrc.3963

By:

Huynh, Ngoc Vinh;
Nguyen, Thi Hoai Thu;
Nguyen, Kim Phi Phung;
Hansen, Poul Erik

Publication type:

Article

Oliveridepsidones A-D, antioxidant depsidones from Garcinia oliveri.

Published in:

Magnetic Resonance in Chemistry, 2012, v. 50, n. 3, p. 242, doi. 10.1002/mrc.2862

By:

Ha, Ly Dieu;
Hansen, Poul Erik;
Duus, Fritz;
Pham, Hung Dinh;
Nguyen, Lien-Hoa D.

Publication type:

Article

Intramolecular hydrogen bonding of novel o-hydroxythioacetophenones and related compounds evaluated by deuterium isotope effects on 13C chemical shifts.

Published in:

Magnetic Resonance in Chemistry, 2007, v. 45, n. 3, p. 245, doi. 10.1002/mrc.1957

By:

Nguyen, Trung Thanh;
Le, Thach Ngoc;
Duus, Fritz;
Hansen, Bjarke K. V.;
Hansen, Poul Erik

Publication type:

Article

Conformational and tautomeric eccentricities of 2-acetyl-1,8-dihydroxynaphthalenes.

Published in:

Magnetic Resonance in Chemistry, 2007, v. 45, n. 2, p. 106, doi. 10.1002/mrc.1925

By:

Hansen, Poul Erik;
Kamounah, Fadhil S.;
Hansen, Bjarke K. V.;
Spanget-Larsen, Jens

Publication type:

Article

Tautomerism of enolic triacetylmethane, 2-acyl-1,3-cycloalkanediones, 5-acyl Meldrum's acids and 5-acyl-1,3-dimethylbarbituric acids studied by means of deuterium isotope effects on 13C chemical shifts.

Published in:

Magnetic Resonance in Chemistry, 1998, v. 36, n. 5, p. 315, doi. 10.1002/(SICI)1097-458X(199805)36:5<315::AID-OMR251>3.0.CO;2-P

By:

Bolvig, Simon;
Duus, Fritz;
Hansen, Poul Erik

Publication type:

Article

Deuterium Isotope Effects on 13C Chemical Shifts of o-Hydroxyacyl Aromatics. Intramolecular Hydrogen Bonding.

Published in:

Magnetic Resonance in Chemistry, 1997, v. 35, n. 8, p. 520, doi. 10.1002/(SICI)1097-458X(199708)35:8<520::AID-OMR132>3.0.CO;2-R

By:

Hansen, Poul Erik;
Bolvig, Simon

Publication type:

Article

Deuterium and.

Published in:

Magnetic Resonance in Chemistry, 1994, v. 32, n. 7, p. 399, doi. 10.1002/mrc.1260320705

By:

Hansen, Poul Erik;
Ibsen, Solveig N.;
Kristensen, Tina;
Bolvig, Simon

Publication type:

Article

Deuterium isotope effects on 13C nuclear shielding of amino and acetamido compounds. Tautomerism and intramolecular hydrogen bonding.

Published in:

Magnetic Resonance in Chemistry, 1992, v. 30, n. 8, p. 786, doi. 10.1002/mrc.1260300816

By:

Hansen, Poul Erik;
Kolonicny, Alois;
Lycka, Antonin

Publication type:

Article

Carbon-carbon coupling constants of 1-phenylazo-2-naphthol and 2-phenylazo-1-naphthol obtained by the SEMINA-1 technique.

Published in:

Magnetic Resonance in Chemistry, 1986, v. 24, n. 9, p. 772, doi. 10.1002/mrc.1260240908

By:

Hansen, Poul Erik;
Lyčka, Antonín

Publication type:

Article

Deuterium isotope effects on 13C and 15N nuclear shielding in o-hydroxyazo dyes.

Published in:

Magnetic Resonance in Chemistry, 1984, v. 22, n. 9, p. 569, doi. 10.1002/mrc.1270220910

By:

Lyčka, Antonín;
Hansen, Poul Erik

Publication type:

Article

Scatterometry for optimization of injection molded nanostructures at the fabrication line.

Published in:

International Journal of Advanced Manufacturing Technology, 2018, v. 99, n. 9-12, p. 2669, doi. 10.1007/s00170-018-2665-7

By:

Madsen, Jonas Skovlund;
Jensen, Søren Alkærsig;
Nakotte, Lars;
Vogelsang, Arne;
Thamdrup, Lasse Højlund;
Czolkos, Ilja;
Johansson, Alicia;
Garnæs, Jørgen;
Nielsen, Theodor;
Nygård, Jesper;
Hansen, Poul Erik

Publication type:

Article

An evaluation of a model for the systematic documentation ofhospital based health promotion activities: results from amulticentre study.

Published in:

BMC Health Services Research, 2007, v. 7, p. 145, doi. 10.1186/1472-6963-7-145

By:

Tønnesen, Hanne;
Christensen, Mette E.;
Groene, Oliver;
O'Riordan, Ann;
Simonelli, Fabrizio;
Suurorg, Lagle;
Morris, Denise;
Vibe, Peder;
Himel, Susan;
Hansen, Poul Erik

Publication type:

Article

Simplified Flow Photosynthesis of Deuterium‐Labeled Pyocyanin.

Published in:

Journal of Labelled Compounds & Radiopharmaceuticals, 2024, v. 67, n. 14, p. 434, doi. 10.1002/jlcr.4127

By:

Lund, Torben;
Krake, Niels Jacob;
Hansen, Poul Erik;
Alatraktchi, Fatima AlZahraa

Publication type:

Article

Structure Identification of Novel Compounds Using Simple IR, 1H, and 13C NMR Spectroscopy and Computational Tools.

Published in:

Bulletin of the Korean Chemical Society, 2020, v. 41, n. 1, p. 78, doi. 10.1002/bkcs.11924

By:

Cho, Kwang‐Hwi;
Hansen, Poul Erik

Publication type:

Article

Factor Analysis of Deuterium Isotope Effects on 13C NMR Chemical Shifts in Schiff Bases.

Published in:

Chemistry - A European Journal, 2005, v. 11, n. 16, p. 4758, doi. 10.1002/chem.200401350

By:

Paulina M. Dominiak;
Aleksander Filarowski;
Poul Erik Hansen;
Krzysztof Wozniak

Publication type:

Article

Multiple Binding Modes of the Camptothecin Family to DNA Oligomers.

Published in:

Chemistry - A European Journal, 2004, v. 10, n. 22, p. 5776, doi. 10.1002/chem.200305624

By:

Wojciech Bocian;
Robert Kawȩcki;
Elzbieta Bednarek;
Jerzy Sitkowski;
Agnieszka Pietrzyk;
Michael P. Williamson;
Poul Erik Hansen;
Lech Kozerski

Publication type:

Article

Sorption of Polycyclic Aromatic Compounds to Humic and Fulvic Acid HPLC Column Materials.

Published in:

Journal of Environmental Quality, 2001, v. 30, n. 2, p. 526, doi. 10.2134/jeq2001.302526x

By:

Kollist‐Siigur, Katrin;
Nielsen, Torben;
Gr⊘n, Christian;
Hansen, Poul Erik;
Helweg, Christian;
Jonassen, Kristoffer E.N.;
J⊘rgensen, Ole;
Kirso, Uuve

Publication type:

Article

Digital Twins for 3D Confocal Microscopy: Near-Field, Far-Field, and Comparison with Experiments.

Published in:

Sensors (14248220), 2025, v. 25, n. 7, p. 2001, doi. 10.3390/s25072001

By:

Hansen, Poul-Erik;
Pahl, Tobias;
Fu, Liwei;
Nielsen, Ida;
Rosenthal, Felix;
Reichelt, Stephan;
Lehmann, Peter;
Rømer, Astrid Tranum

Publication type:

Article

Bromophenols in Marine Algae and Their Bioactivities.

Published in:

Marine Drugs, 2011, v. 9, n. 7, p. 1273, doi. 10.3390/md9071273

By:

Ming Liu;
Hansen, Poul Erik;
Xiukun Lin

Publication type:

Article

Deuterium isotope effects on 13C nuclear shielding as a measure of tautomeric equilibria.

Published in:

Magnetic Resonance in Chemistry, 1982, v. 18, n. 1, p. 58, doi. 10.1002/mrc.1270180114

By:

Hansen, Poul Erik;
Duus, Fritz;
Schmitt, Peter

Publication type:

Article

13C,13C coupling constants from a mixture of isotopomers (13C) of substituted aromatic compounds; 1-nitronaphthalenes.

Published in:

Magnetic Resonance in Chemistry, 1981, v. 17, n. 1, p. 66, doi. 10.1002/mrc.1270170115

By:

Hansen, Poul Erik;
Albrand, Jean-Pierre

Publication type:

Article

CH, CD, CC and HH coupling constants in isotopically enriched cyclobutene.

Published in:

Magnetic Resonance in Chemistry, 1981, v. 15, n. 3, p. 288, doi. 10.1002/mrc.1270150316

By:

Hansen, Poul Erik;
Led, Jens J.

Publication type:

Article

13C NMR of polycyclic aromatic compounds. A review.

Published in:

Magnetic Resonance in Chemistry, 1979, v. 12, n. 3, p. 109, doi. 10.1002/mrc.1270120302

By:

Hansen, Poul Erik

Publication type:

Article

Substituent Conformational effects in vicinal 13C13C spin-spin coupling constants.

Published in:

Magnetic Resonance in Chemistry, 1979, v. 12, n. 3, p. 169, doi. 10.1002/mrc.1270120309

By:

Marshall, James L.;
Faehl, Larry G.;
Kattner, Richard;
Hansen, Poul Erik

Publication type:

Article

Long range 13C13C coupling constants. A review.

Published in:

Magnetic Resonance in Chemistry, 1978, v. 11, n. 5, p. 215, doi. 10.1002/mrc.1270110502

By:

Hansen, Poul Erik

Publication type:

Article

The Synergy between Nuclear Magnetic Resonance and Density Functional Theory Calculations.

Published in:

Molecules, 2024, v. 29, n. 2, p. 336, doi. 10.3390/molecules29020336

By:

Hansen, Poul Erik

Publication type:

Article

Isotope Effects on Chemical Shifts in the Study of Hydrogen Bonds in Small Molecules.

Published in:

Molecules, 2022, v. 27, n. 8, p. N.PAG, doi. 10.3390/molecules27082405

By:

Hansen, Poul Erik

Publication type:

Article

NH Stretching Frequencies of Intramolecularly Hydrogen-Bonded Systems: An Experimental and Theoretical Study.

Published in:

Molecules, 2021, v. 26, n. 24, p. 7651, doi. 10.3390/molecules26247651

By:

Hansen, Poul Erik;
Vakili, Mohammad;
Kamounah, Fadhil S.;
Spanget-Larsen, Jens

Publication type:

Article

NMR of Natural Products as Potential Drugs.

Published in:

Molecules, 2021, v. 26, n. 12, p. 3763, doi. 10.3390/molecules26123763

By:

Hansen, Poul Erik

Publication type:

Article

A Spectroscopic Overview of Intramolecular Hydrogen Bonds of NH...O,S,N Type.

Published in:

Molecules, 2021, v. 26, n. 9, p. 2409, doi. 10.3390/molecules26092409

By:

Hansen, Poul Erik;
Jabłoński, Mirosław

Publication type:

Article

H/D Isotope Effects on 1H-NMR Chemical Shifts in Cyclic Heterodimers and Heterotrimers of Phosphinic and Phosphoric Acids.

Published in:

Molecules, 2020, v. 25, n. 8, p. 1907, doi. 10.3390/molecules25081907

By:

Mulloyarova, Valeriia V.;
Ustimchuk, Daria O.;
Filarowski, Aleksander;
Tolstoy, Peter M.;
Hansen, Poul Erik

Publication type:

Article

Kinetic Isotope Effects and Hydrogen Tunnelling in PCET Oxidations of Ascorbate: New Insights into Aqueous Chemistry?

Published in:

Molecules, 2020, v. 25, n. 6, p. 1443, doi. 10.3390/molecules25061443

By:

Karković Marković, Ana;
Jakobušić Brala, Cvijeta;
Pilepić, Viktor;
Uršić, Stanko;
Hansen, Poul Erik

Publication type:

Article

Intramolecular Hydrogen Bonds in Normal and Sterically Compressed o-Hydroxy Aromatic Aldehydes. Isotope Effects on Chemical Shifts and Hydrogen Bond Strength.

Published in:

Molecules, 2019, v. 24, n. 24, p. 4533, doi. 10.3390/molecules24244533

By:

Hansen, Poul Erik;
Kamounah, Fadhil S.;
Saeed, Bahjat A.;
MacLachlan, Mark J.;
Spanget-Larsen, Jens;
Sánchez, Goar

Publication type:

Article