Identification of Novel Homologous Series of Polyhydroxylated Theasinensins and Theanaphthoquinones in the SII Fraction of Black Tea Thearubigins Using ESI/HPLC Tandem Mass Spectrometry
Yassin, Ghada H, Koek, Jan H, Jayaraman, Sujatha, Kuhnert, Nikolai
Published in Journal of agricultural and food chemistry (08.10.2014)
Published in Journal of agricultural and food chemistry (08.10.2014)
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Investigation of isomeric flavanol structures in black tea thearubigins using ultraperformance liquid chromatography coupled to hybrid quadrupole/ion mobility/time of flight mass spectrometry
Yassin, Ghada H., Grun, Christian, Koek, Jean H., Assaf, Khaleel I., Kuhnert, Nikolai
Published in Journal of mass spectrometry. (01.11.2014)
Published in Journal of mass spectrometry. (01.11.2014)
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Identification of trimeric and tetrameric flavan-3-ol derivatives in the SII black tea thearubigin fraction of black tea using ESI-tandem and MALDI-TOF mass spectrometry
Yassin, Ghada H., Koek, Jan H., Kuhnert, Nikolai
Published in Food research international (01.09.2014)
Published in Food research international (01.09.2014)
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Conference Proceeding
Differentiation of prototropic ions in regioisomeric caffeoyl quinic acids by electrospray ion mobility mass spectrometry
Kuhnert, Nikolai, Yassin, Ghada H., Jaiswal, Rakesh, Matei, Marius F., Grün, Christian H.
Published in Rapid communications in mass spectrometry (15.04.2015)
Published in Rapid communications in mass spectrometry (15.04.2015)
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Differentiation of prototropic ions in regioisomeric caffeoyl quinic acids by electrospray ion mobility mass spectrometry: IM-MS and prototropism of chlorogenic acids
Kuhnert, Nikolai, Yassin, Ghada H., Jaiswal, Rakesh, Matei, Marius F., Grün, Christian H.
Published in Rapid communications in mass spectrometry (15.04.2015)
Published in Rapid communications in mass spectrometry (15.04.2015)
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Journal Article
Investigation of isomeric flavanol structures in black tea thearubigins using ultraperformance liquid chromatography coupled to hybrid quadrupole/ion mobility/time of flight mass spectrometry: Ion mobility MS of black tea flavanoids
Yassin, Ghada H., Grun, Christian, Koek, Jean H., Assaf, Khaleel I., Kuhnert, Nikolai
Published in Journal of mass spectrometry. (01.11.2014)
Published in Journal of mass spectrometry. (01.11.2014)
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ChemInform Abstract: {W48} Ring Opening: Fe16-Containing, Ln4-Stabilized 49-Tungsto-8-Phosphate Open Wheel [Fe16O2(OH)23(H2O)9 (P8W49O189)Ln4 (H2O)20]11
Ismail, Amal H., Bassil, Bassem S., Yassin, Ghada H., Keita, Bineta, Kortz, Ulrich
Published in ChemInform (04.09.2012)
Published in ChemInform (04.09.2012)
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{W 48 } Ring Opening: Fe 16 ‐Containing, Ln 4 ‐Stabilized 49‐Tungsto‐8‐Phosphate Open Wheel [Fe 16 O 2 (OH) 23 (H 2 O) 9 (P 8 W 49 O 189 )Ln 4 (H 2 O) 20 ] 11
Ismail, Amal H., Bassil, Bassem S., Yassin, Ghada H., Keita, Bineta, Kortz, Ulrich
Published in Chemistry : a European journal (14.05.2012)
Published in Chemistry : a European journal (14.05.2012)
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Journal Article
ChemInform Abstract: {W 48 } Ring Opening: Fe 16 ‐Containing, Ln 4 ‐Stabilized 49‐Tungsto‐8‐Phosphate Open Wheel [Fe 16 O 2 (OH) 23 (H 2 O) 9 (P 8 W 49 O 189 )Ln 4 (H 2 O) 20 ] 11
Ismail, Amal H., Bassil, Bassem S., Yassin, Ghada H., Keita, Bineta, Kortz, Ulrich
Published in ChemInform (04.09.2012)
Published in ChemInform (04.09.2012)
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Journal Article
Identification of trimeric and tetrameric flavan-3-ol derivatives in the SII black tea thearubigin fraction of black tea using ESI-tandem and MALDI-TOF mass spectrometry
Yassin, Ghada H, Jan H. KoekauthorLaboratory of Analytical and Organic Chemistry, School of Engineering and Sciences, Jacobs University Bremen, 28759 Bremen, Germany, Nikolai KuhnertauthorLaboratory of Analytical and Organic Chemistry, School of Engineering and Sciences, Jacobs University Bremen, 28759 Bremen, Germany
Year of Publication 2015
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Year of Publication 2015
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