Works by Hansen, Poul Erik

Results: 77

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

Thioacetylacetone: Structural and Vibrational Assignments.

Published in:

ChemPhysChem, 2004, v. 5, n. 4, p. 495, doi. 10.1002/cphc.200404016

By:

Yevgen Posokhov;
Alexander Gorski;
Jens Spanget-Larsen;
Fritz Duus;
Poul Erik Hansen;
Jacek Waluk

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

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

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

An Efficient and Green Synthesis of 1-Indanone and 1-Tetralone via Intramolecular Friedel-Crafts Acylation Reaction.

Published in:

Asian Journal of Organic Chemistry, 2015, v. 4, n. 5, p. 482, doi. 10.1002/ajoc.201402274

By:

Tran, Phuong Hoang;
Huynh, Vy Hieu;
HansEN, Poul Erik;
Chau, Duy ‐ Khiem NguyEN;
Le, Thach Ngoc

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

NMR and IR Investigations of Strong Intramolecular Hydrogen Bonds.

Published in:

Molecules, 2017, v. 22, n. 4, p. 552, doi. 10.3390/molecules22040552

By:

Hansen, Poul Erik;
Spanget-Larsen, Jens

Publication type:

Article

A Simple, Effective, Green Method for the Regioselective 3-Acylation of Unprotected Indoles.

Published in:

Molecules, 2015, v. 20, n. 10, p. 19605, doi. 10.3390/molecules201019605

By:

Phuong Hoang Tran;
Hai Ngoc Tran;
Erik Hansen, Poul;
Mai Hoang Ngoc Do;
Thach Ngoc Le

Publication type:

Article

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

Published in:

Molecules, 2015, v. 20, n. 2, p. 2405, doi. 10.3390/molecules20022405

By:

Hansen, Poul Erik

Publication type:

Article

Pharmacological Profile of Xanthohumol, a Prenylated Flavonoid from Hops (Humulus lupulus).

Published in:

Molecules, 2015, v. 20, n. 1, p. 754, doi. 10.3390/molecules20010754

By:

Ming Liu;
Hansen, Poul Erik;
Genzhu Wang;
Lin Qiu;
Jianjun Dong;
Hua Yin;
Zhonghua Qian;
Mei Yang;
Jinlai Miao

Publication type:

Article

Deuterium Isotope Effects on 13C-NMR Chemical Shifts of 10-Hydroxybenzo[h]quinolines.

Published in:

Molecules, 2013, v. 18, n. 4, p. 4544, doi. 10.3390/molecules18044544

By:

Hansen, Poul Erik;
Kamounah, Fadhil S.;
Gryko, Daniel T.

Publication type:

Article

Phosphate pool dynamics in the arbuscular mycorrhizal fungus Glomus intraradices studied by in vivo31P NMR spectroscopy.

Published in:

New Phytologist, 2004, v. 162, n. 3, p. 783, doi. 10.1111/j.1469-8137.2004.01048.x

By:

Viereck, Nanna;
Hansen, Poul Erik;
Jakobsen, Iver

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

A new sesquiterpene lactone from the leaves of Panax vietnamensis Ha et Grushv. (Vietnamese ginseng).

Published in:

Natural Product Research, 2023, v. 37, n. 21, p. 3580, doi. 10.1080/14786419.2022.2094374

By:

Le, Hoang Khang;
Phan, Thanh Tung;
Nguyen, Thi My Nuong;
Nguyen, Thanh Chung;
Tran, Cong Luan;
Hansen, Poul Erik;
That, Quang Ton

Publication type:

Article

Two new sesquiterpenes from the stems of Miliusa velutina.

Published in:

Natural Product Research, 2022, v. 36, n. 2, p. 553, doi. 10.1080/14786419.2020.1789984

By:

Nguyen Thien, Truong Van;
Vo, Thi Kieu Loan;
Dang, Phu Hoang;
Huynh, Ngoc Vinh;
Ngo, Thi Thuy Duong;
Nguyen, Thi My Nuong;
Hansen, Poul Erik;
Ton That, Quang

Publication type:

Article

Derivatives of usnic acid cause cytostatic effect in Caco-2 cells.

Published in:

Natural Product Research, 2021, v. 35, n. 23, p. 4953, doi. 10.1080/14786419.2020.1756796

By:

Samuelsen, Lisa;
Hansen, Poul Erik;
Vang, Ole

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

THE APPLICATION OF HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY HUMIC ACID COLUMNS IN DETERMINATION OF KOC OF POLYCYCLIC AROMATIC COMPOUNDS.

Published in:

Environmental Toxicology & Chemistry, 2003, v. 22, n. 4, p. 741, doi. 10.1002/etc.5620220410

By:

Jonassen, Kristoffer E. N.;
Nielsen, Torben;
Hansen, Poul Erik

Publication type:

Article

Photovoltaic Performance and Characteristics of Dye-Sensitized Solar Cells Prepared with the N719 Thermal Degradation Products [Ru(LH).

Published in:

European Journal of Inorganic Chemistry, 2011, v. 2011, n. 16, p. 2533, doi. 10.1002/ejic.201000935

By:

Nguyen, Phuong Tuyet;
Lam, Binh Xuan Thi;
Andersen, Anders Rand;
Hansen, Poul Erik;
Lund, Torben

Publication type:

Article

Efficient Friedel–Crafts benzoylation of aniline derivatives with 4-fluorobenzoyl chloride using copper triflate in the synthesis of aminobenzophenones.

Published in:

Synthetic Communications, 2016, v. 46, n. 10, p. 893, doi. 10.1080/00397911.2016.1148164

By:

Tran, Phuong Hoang;
Phung, Huy Quang;
Hansen, Poul Erik;
Tran, Hai Ngoc;
Le, Thach Ngoc

Publication type:

Article

Computational Prediction of 1H and 13C NMR Chemical Shifts for Protonated Alkylpyrroles: Electron Correlation and Not Solvation is the Salvation.

Published in:

ChemPhysChem, 2019, v. 20, n. 1, p. 78, doi. 10.1002/cphc.201801066

By:

Lacerda, Evanildo G.;
Kamounah, Fadhil S.;
Coutinho, Kaline;
Sauer, Stephan P. A.;
Hansen, Poul Erik;
Hammerich, Ole

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

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

Miliutine A acid, a new cyclofarnesane sesquiterpene from the stems of Miliusa velutina.

Published in:

Natural Product Research, 2025, v. 39, n. 1, p. 31, doi. 10.1080/14786419.2023.2248540

By:

Le, Hoang Khang;
Phan, Thanh Tung;
Loan Vo, Thi Kieu;
Duong Ngo, Thi Thuy;
Ngo, Hoang Long;
Hansen, Poul Erik;
That, Quang Ton

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

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

1H NMR Spin-echo Spectroscopy of Human Erythrocytes. Transformation of Exogenous Compounds.

Published in:

NMR in Biomedicine, 1990, v. 3, n. 6, p. 248, doi. 10.1002/nbm.1940030603

By:

Skibsted, Ulrik;
Hansen, Poul Erik

Publication type:

Article

Progress of Bromophenols in Marine Algae from 2011 to 2020: Structure, Bioactivities, and Applications.

Published in:

Marine Drugs, 2020, v. 18, n. 8, p. 411, doi. 10.3390/md18080411

By:

Dong, Hui;
Dong, Songtao;
Erik Hansen, Poul;
Stagos, Dimitrios;
Lin, Xiukun;
Liu, Ming

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

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

Deuterium Isotope Effects on 14,15N Chemical Shifts of Ammonium Ions: A Solid State NMR Study.

Published in:

International Journal of Inorganic Chemistry, 2011, p. 1, doi. 10.1155/2011/696497

By:

Hansen, Poul Erik

Publication type:

Article

The best density functional theory functional for the prediction of 1H and 13C chemical shifts of protonated alkylpyrroles.

Published in:

Journal of Computational Chemistry, 2021, v. 42, n. 18, p. 1248, doi. 10.1002/jcc.26540

By:

Zahn, Sarah L. V.;
Hammerich, Ole;
Hansen, Poul Erik;
Sauer, Stephan P. A.

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

[sup 1] H NMR of compounds with low water solubility in the presence of erythrocytes: effects of emulsion phase separation.

Published in:

European Biophysics Journal, 2001, v. 30, n. 1, p. 69, doi. 10.1007/s002490000108

By:

Hansen, Poul Erik;
Skibsted, Ulrik;
Nissen, Jan;
Rae, Caroline D.;
Kuchel, Philip W.

Publication type:

Article

Repetitive transcranial magnetic stimulation as add-on antidepressant treatment. The applicability of the method in a clinical setting.

Published in:

Nordic Journal of Psychiatry, 2004, v. 58, n. 6, p. 455, doi. 10.1080/08039480410011678

By:

Hansen, Poul Erik Bouchholtz;
Videbech, Poul;
Clemmensen, Karin;
Sturlason, Runa;
Jensen, Hans Mørch;
Vestergaard, Per

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

Tautomerism of β-Diketones and β-Thioxoketones.

Published in:

Encyclopedia, 2023, v. 3, n. 1, p. 182, doi. 10.3390/encyclopedia3010013

By:

Hansen, Poul Erik

Publication type:

Article

[sup 31]P NMR for the study of P metabolism and translocation in arbuscular mycorrhizal fungi.

Published in:

Plant & Soil, 2000, v. 226, n. 2, p. 245, doi. 10.1023/A:1026411801081

By:

Rasmussen, Nanna;
Lloyd, David C.;
Ratcliffe, R. George;
Hansen, Poul Erik;
Jakobsen, Iver

Publication type:

Article

Structural Studies of β-Diketones and Their Implications on Biological Effects.

Published in:

Pharmaceuticals (14248247), 2021, v. 14, n. 11, p. 1189, doi. 10.3390/ph14111189

By:

Hansen, Poul Erik

Publication type:

Article

Cellular Uptake and Intracellular Phosphorylation of GS-441524: Implications for Its Effectiveness against COVID-19.

Published in:

Viruses (1999-4915), 2021, v. 13, n. 7, p. 1369, doi. 10.3390/v13071369

By:

Rasmussen, Henrik Berg;
Jürgens, Gesche;
Thomsen, Ragnar;
Taboureau, Olivier;
Zeth, Kornelius;
Hansen, Poul Erik;
Hansen, Peter Riis

Publication type:

Article