about
Hierarchical scheme for LC-MSn identification of chlorogenic acidsUnraveling the structure of the black tea thearubiginsHigh molecular weight non-polar hydrocarbons as pure model substances and in motor oil samples can be ionized without fragmentation by atmospheric pressure chemical ionization mass spectrometry.The inhibition of the mammalian DNA methyltransferase 3a (Dnmt3a) by dietary black tea and coffee polyphenols.Probing the dynamic reversibility and generation of dynamic combinatorial libraries in the presence of bacterial model oligopeptides as templating guests of tetra-carbohydrazide macrocycles using electrospray mass spectrometry.The chemistry of low molecular weight black tea polyphenols.Origin-based polyphenolic fingerprinting of Theobroma cacao in unfermented and fermented beans.Profiling and quantification of regioisomeric caffeoyl glucoses in Solanaceae vegetables.Comparison of the polyphenolic profile and antibacterial activity of the leaves, fruits and flowers of Rhododendron ambiguum and Rhododendron cinnabarinum.Metabolome Comparison of Bioactive and Inactive Rhododendron Extracts and Identification of an Antibacterial Cannabinoid(s) from Rhododendron collettianum.Aseptic artificial fermentation of cocoa beans can be fashioned to replicate the peptide profile of commercial cocoa bean fermentations.Diversity of Kale (Brassica oleracea var. sabellica): Glucosinolate Content and Phylogenetic Relationships.Neuraminidase inhibition of Dietary chlorogenic acids and derivatives - potential antivirals from dietary sources.Investigation of isomeric flavanol structures in black tea thearubigins using ultraperformance liquid chromatography coupled to hybrid quadrupole/ion mobility/time of flight mass spectrometry.Quantification of microbial uptake of quercetin and its derivatives using an UHPLC-ESI-QTOF mass spectrometry assay.Identification and characterisation of phenolics from Ixora coccinea L. (Rubiaceae) by liquid chromatography multi-stage mass spectrometry.Investigation of the photochemical changes of chlorogenic acids induced by ultraviolet light in model systems and in agricultural practice with Stevia rebaudiana cultivation as an example.Bioactivity in Rhododendron: A Systemic Analysis of Antimicrobial and Cytotoxic Activities and Their Phylogenetic and Phytochemical Origins.Profiling and characterisation by liquid chromatography/multi-stage mass spectrometry of the chlorogenic acids in Gardeniae Fructus.Profile and characterization of the chlorogenic acids in green Robusta coffee beans by LC-MS(n): identification of seven new classes of compounds.Hierarchical scheme for liquid chromatography/multi-stage spectrometric identification of 3,4,5-triacyl chlorogenic acids in green Robusta coffee beans.How to distinguish between feruloyl quinic acids and isoferuloyl quinic acids by liquid chromatography/tandem mass spectrometry.Profiling and characterization by LC-MSn of the chlorogenic acids and hydroxycinnamoylshikimate esters in maté (Ilex paraguariensis).Repeated oral administration modulates the pharmacokinetic behavior of the chemopreventive agent phenethyl isothiocyanate in rats.Chemistry inside molecular containers in the gas phase.Characterisation of "caramel-type" thermal decomposition products of selected monosaccharides including fructose, mannose, galactose, arabinose and ribose by advanced electrospray ionization mass spectrometry methods.Identification and characterization of proanthocyanidins of 16 members of the Rhododendron genus (Ericaceae) by tandem LC-MS.Identification of phenolic compounds in plum fruits (Prunus salicina L. and Prunus domestica L.) by high-performance liquid chromatography/tandem mass spectrometry and characterization of varieties by quantitative phenolic fingerprints.The synthesis of trianglimines: on the scope and limitations of the [3 + 3] cyclocondensation reaction between (1R,2R)-diaminocyclohexane and aromatic dicarboxaldehydes.The synthesis and conformation of oxygenated trianglimine macrocycles.Phenolic promiscuity in the cell nucleus--epigallocatechingallate (EGCG) and theaflavin-3,3'-digallate from green and black tea bind to model cell nuclear structures including histone proteins, double stranded DNA and telomeric quadruplex DNA.On the activation of valerolactam with triflic anhydride: the synthesis of omega-trifluorosulfonamido dipeptides using a transpeptidation reaction under mild conditions.Discriminating between the six isomers of dicaffeoylquinic acid by LC-MS(n).Tuning the size of macrocyclic cavities in trianglimine macrocycles.Modulation of hepatic cytochromes P450 and phase II enzymes by dietary doses of sulforaphane in rats: Implications for its chemopreventive activity.Characterization by LC-MS(n) of four new classes of chlorogenic acids in green coffee beans: dimethoxycinnamoylquinic acids, diferuloylquinic acids, caffeoyl-dimethoxycinnamoylquinic acids, and feruloyl-dimethoxycinnamoylquinic acids.One size does not fit all--bacterial cell death by antibiotics cannot be explained by the action of reactive oxygen species.Identification and characterization of five new classes of chlorogenic acids in burdock (Arctium lappa L.) roots by liquid chromatography/tandem mass spectrometry.LC-MSn study of the chemical transformations of hydroxycinnamates during yerba maté (Ilex paraguariensis) tea brewing.Biochemical fate of vicilin storage protein during fermentation and drying of cocoa beans.
P50
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P50
description
hulumtues
@sq
onderzoeker
@nl
researcher
@en
հետազոտող
@hy
name
Nikolai Kuhnert
@ast
Nikolai Kuhnert
@en
Nikolai Kuhnert
@es
Nikolai Kuhnert
@nl
Nikolai Kuhnert
@sl
type
label
Nikolai Kuhnert
@ast
Nikolai Kuhnert
@en
Nikolai Kuhnert
@es
Nikolai Kuhnert
@nl
Nikolai Kuhnert
@sl
prefLabel
Nikolai Kuhnert
@ast
Nikolai Kuhnert
@en
Nikolai Kuhnert
@es
Nikolai Kuhnert
@nl
Nikolai Kuhnert
@sl
P106
P1153
7004681425
P21
P31
P496
0000-0003-1681-8424