Anna Krin
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View article: Conformations of Steroid Hormones: Infrared and Vibrational Circular Dichroism Spectroscopy
Conformations of Steroid Hormones: Infrared and Vibrational Circular Dichroism Spectroscopy Open
Steroid hormone molecules may exhibit very different functionalities based on the associated functional groups and their 3D arrangements in space, i.e., absolute configurations and conformations. Infrared (IR) and vibrational circular dich…
View article: A Scent of Peppermint—A Microwave Spectroscopy Analysis on the Composition of Peppermint Oil
A Scent of Peppermint—A Microwave Spectroscopy Analysis on the Composition of Peppermint Oil Open
Essential oils have a vast number of applications in different areas of our daily life. Detailed chiral analysis and structural characterization of their constituents remains an important subject in analytical chemistry. Here, we report on…
View article: Examining the gas-phase homodimers of 3,3,3-trifluoro-1,2-epoxypropane using quantum chemistry and microwave spectroscopy
Examining the gas-phase homodimers of 3,3,3-trifluoro-1,2-epoxypropane using quantum chemistry and microwave spectroscopy Open
Quantum chemistry and rotational spectroscopy work hand-in-hand in the characterization of a potential chiral tag.
View article: MENTHYL ACETATE. A NEW LINK IN THE CHAIN OF ACETATES STUDIED WITH ROTATIONAL SPECTROSCOPY
MENTHYL ACETATE. A NEW LINK IN THE CHAIN OF ACETATES STUDIED WITH ROTATIONAL SPECTROSCOPY Open
Natural essential oils have nowadays a vast range of applications in different areas, from medicine and pharmacology, to food industry and cosmetics. They are composed of several, structurally often similar constituents. Due to the high re…
View article: Studying chiral molecules with broadband microwave spectroscopy
Studying chiral molecules with broadband microwave spectroscopy Open
Natural essential oils are complex mixtures containing several compounds of structural similarity.They are well known for their wide range of applications in different areas, frommedicine to cosmetics. One of the conventional methods for t…
View article: Analysis of thyme essential oils using gas-phase broadband rotational spectroscopy
Analysis of thyme essential oils using gas-phase broadband rotational spectroscopy Open
A semi-quantitative analysis as well as determination of the structures and internal dynamics of components of two natural essential oils have been carried out using rotational spectroscopy.
View article: State-Specific Enrichment of Chiral Conformers with Microwave Spectroscopy
State-Specific Enrichment of Chiral Conformers with Microwave Spectroscopy Open
An interesting class of molecules is that in which the molecules do not possess a stereogenic center but can become chiral because of their spatial arrangement. These molecules can be seen as chiral conformers, whose two nonsuperimposable …
View article: CHIRAL ANALYSIS OF BIOLOGICALLY RELEVANT SAMPLES USING BROADBAND ROTATIONAL SPECTROSCOPY
CHIRAL ANALYSIS OF BIOLOGICALLY RELEVANT SAMPLES USING BROADBAND ROTATIONAL SPECTROSCOPY Open
Matrix isolation infrared spectroscopy was used to characterize a 1:1 complex of hydrogen peroxide (\\chem{H_2O_2}) with benzene (\\chem{C_6H_6}). Co-deposition experiments with \\chem{H_2O_2} and \\chem{C_6H_6} were performed at 20 K usin…
View article: Microsolvated complexes of ibuprofen as revealed by high-resolution rotational spectroscopy
Microsolvated complexes of ibuprofen as revealed by high-resolution rotational spectroscopy Open
Four conformers of microsolvated ibuprofen have been characterized using high-resolution microwave spectroscopy.
View article: Structure Determination, Conformational Flexibility, Internal Dynamics, and Chiral Analysis of Pulegone and Its Complex with Water
Structure Determination, Conformational Flexibility, Internal Dynamics, and Chiral Analysis of Pulegone and Its Complex with Water Open
In the current work we present a detailed analysis of the chiral molecule pulegone, which is a constituent of essential oils, using broadband rotational spectroscopy. Two conformers are observed under the cold conditions of a molecular jet…
View article: Inside Cover: Coherent Enantiomer‐Selective Population Enrichment Using Tailored Microwave Fields (Angew. Chem. Int. Ed. 41/2017)
Inside Cover: Coherent Enantiomer‐Selective Population Enrichment Using Tailored Microwave Fields (Angew. Chem. Int. Ed. 41/2017) Open
Population transfer in chiral molecules is reported as a means to achieve enantiomeric enrichment by C. Pérez, M. Schnell et al. in their Communication on page 12512 ff. Enrichment is achieved by using microwave fields. The Penrose stairs …
View article: INTERNAL DYNAMICS AND CHIRAL ANALYSIS OF PULEGONE, USING MICROWAVE BROADBAND SPECTROSCOPY
INTERNAL DYNAMICS AND CHIRAL ANALYSIS OF PULEGONE, USING MICROWAVE BROADBAND SPECTROSCOPY Open
Essential oils, such as peppermint or pennyroyal oil, are widely used in medicine, pharmacology and cosmetics. Their major constituents, terpenes, are mostly chiral molecules and thus may exhibit different biological functionality with res…
View article: CHIRALITY RECOGNITION IN CAMPHOR - 1,2-PROPANEDIOL COMPLEXES
CHIRALITY RECOGNITION IN CAMPHOR - 1,2-PROPANEDIOL COMPLEXES Open
The molecular interactions in complexes involving chiral molecules are of particular interest, because the interactions change in a subtle way upon replacing one of the partners by its mirror image. This is based on the fact that chiral mo…
View article: COHERENT POPULATION TRANSFER IN CHIRAL MOLECULES USING TAILORED MICROWAVE PULSES
COHERENT POPULATION TRANSFER IN CHIRAL MOLECULES USING TAILORED MICROWAVE PULSES Open
Over the last years, microwave three-wave mixing (M3WM) experiments have been shown to provide a sensitive way to generate and measure enantiomer-specific molecular responses. These experiments opened the door for enantiomeric excess deter…