Search Results - "Starzak, Karolina"
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Fluorescence Quenching-Based Mechanism for Determination of Hypochlorite by Coumarin-Derived Sensors
Published in International journal of molecular sciences (11-01-2019)“…A fluorescence quenching-based mechanism for the determination of hypochlorite was proposed based on spectroscopic and chromatographic studies on the…”
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2
Structural Features of 1,3,4-Thiadiazole-Derived Ligands and Their Zn(II) and Cu(II) Complexes Which Demonstrate Synergistic Antibacterial Effects with Kanamycin
Published in International journal of molecular sciences (10-08-2020)“…Classical synthetic protocols were applied for the isolation of three novel 1,3,4-thiadiazole derivatives which were then complexed with the biologically…”
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3
Antioxidant and Antimicrobial Effects of Baby Leaves of Amaranthus tricolor L. Harvested as Vegetable in Correlation with Their Phytochemical Composition
Published in Molecules (Basel, Switzerland) (02-02-2023)“…Amaranth is used as a spinach replacement; therefore, it is sometimes called Chinese Spinach. So far, the activity of the plant has not been associated with…”
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4
Anti-Hypochlorite and Catalytic Activity of Commercially Available Moringa oleifera Diet Supplement
Published in Molecules (Basel, Switzerland) (12-09-2019)“…Aiming at the assessment of the pro-health, and especially anti-hypochlorite properties of Moringa oleifera species a representative, commercially available…”
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5
Cooperativity of ESPT and Aggregation-Induced Emission Effects-An Experimental and Theoretical Analysis of a 1,3,4-Thiadiazole Derivative
Published in International journal of molecular sciences (15-03-2024)“…(NTBD) was extensively studied through stationary UV-vis absorption and fluorescence measurements in various solvents and solvent mixtures and by…”
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6
Novel Coumarin-Thiadiazole Hybrids and Their Cu(II) and Zn(II) Complexes as Potential Antimicrobial Agents and Acetylcholinesterase Inhibitors
Published in International journal of molecular sciences (08-09-2021)“…A series of coumarin-thiadiazole hybrids and their corresponding Cu(II) and Zn(II) complexes were synthesized and characterized with the use of spectroscopic…”
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7
Time-resolved spectroscopy of the singlet excited state of betanin in aqueous and alcoholic solutions
Published in Physical chemistry chemical physics : PCCP (21-07-2015)“…The photophysical properties of betanin in aqueous and alcoholic solutions were determined at room temperature using ultrafast UV-vis-NIR transient absorption…”
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8
Design, Spectroscopy, and Assessment of Cholinesterase Inhibition and Antimicrobial Activities of Novel Coumarin-Thiadiazole Hybrids
Published in International journal of molecular sciences (05-06-2022)“…A novel series of coumarin-thiadiazole hybrids, derived from substituted coumarin-3-carboxylic acids was isolated and fully characterized with the use of a…”
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9
Structural Study on Hypochlorous Acid-Mediated Chlorination of Betanin and Its Decarboxylated Derivatives from an Anti-Inflammatory Beta vulgaris L. Extract
Published in Molecules (Basel, Switzerland) (16-01-2020)“…Hypochlorous acid (HOCl) produced by neutrophils is a part of the natural innate immune response system in the human body, but excessive levels of HOCl can…”
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10
The Responses of Bioactive Betanin Pigment and Its Derivatives from a Red Beetroot ( Beta vulgaris L.) Betalain-Rich Extract to Hypochlorous Acid
Published in International journal of molecular sciences (25-01-2021)“…Neutrophils produce hypochlorous acid (HOCl) as well as other reactive oxygen species as part of a natural innate immune response in the human body; however,…”
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11
Non-Typical Fluorescence Effects and Biological Activity in Selected 1,3,4-thiadiazole Derivatives: Spectroscopic and Theoretical Studies on Substituent, Molecular Aggregation, and pH Effects
Published in International journal of molecular sciences (04-11-2019)“…The below article presents the results of spectroscopic research, theoretical (time-dependent density functional theory (TD-DFT)), microbiological, and…”
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12
Spectroscopic and theoretical studies of fluorescence effects induced by the ESIPT process in a new derivative 2-Hydroxy-N-(2-phenylethyl)benzamide - Study on the effects of pH and medium polarity changes
Published in PloS one (25-02-2020)“…The paper presents the results of studies conducted with the use of stationary and time-resolved fluorescence spectroscopy for the new derivative…”
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13
Anti-Hypochlorite, Antioxidant, and Catalytic Activity of Three Polyphenol-Rich Super-Foods Investigated with the Use of Coumarin-Based Sensors
Published in Biomolecules (Basel, Switzerland) (06-05-2020)“…The anti-hypochlorite activity of açaí ( Mart.), goji ( L.) and schisandra ( ) fruit extracts were assessed by determining the reactive chlorine species…”
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14
Metabolite Profiling Analysis and the Correlation with Biological Activity of Betalain-Rich Portulaca grandiflora Hook. Extracts
Published in Antioxidants (25-08-2022)“…The aim of the study was to evaluate the possible correlation between the bioactivity and the phytochemical profile of four betalain-rich extracts from…”
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15
Effects of metal cations on betanin stability in aqueous-organic solutions
Published in Food science and biotechnology (01-04-2013)“…An effect of metal cations on betanin stability was investigated in aqueous and organic-aqueous solutions. The presence of organic solvents (methanol, ethanol,…”
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16
Antioxidant and Antimicrobial Effects of Baby Leaves of IAmaranthus tricolor/I L. Harvested as Vegetable in Correlation with Their Phytochemical Composition
Published in Molecules (Basel, Switzerland) (01-02-2023)“…Amaranth is used as a spinach replacement; therefore, it is sometimes called Chinese Spinach. So far, the activity of the plant has not been associated with…”
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17
Chlorination of Betacyanins in Several Hypochlorous Acid Systems
Published in Journal of agricultural and food chemistry (13-04-2016)“…This study presents a comparative evaluation of chlorination of betanin, betanidin, and neobetanin exposed to sodium hypochlorite and myeloperoxidase…”
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18
Separation of chlorinated diastereomers of decarboxy-betacyanins in myeloperoxidase catalyzed chlorinated Beta vulgaris L. extract
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (15-11-2016)“…•First determination of chlorinated decarboxy-betacyanins by LC–MS was performed.•First HPLC separations of diastereomers of chlorinated decarboxy-betacyanins…”
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19
Studies on Nonenzymatic Oxidation Mechanisms in Neobetanin, Betanin, and Decarboxylated Betanins
Published in Journal of agricultural and food chemistry (03-07-2013)“…A comprehensive nonenzymatic oxidation mechanism in betanin plant pigment as well as its derivatives, 2-decarboxybetanin, 17-decarboxybetanin,…”
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20
Spectroscopic and theoretical studies of fluorescence effects induced by the ESIPT process in a new derivative 2-Hydroxy-N
Published in PloS one (25-02-2020)“…The paper presents the results of studies conducted with the use of stationary and time-resolved fluorescence spectroscopy for the new derivative…”
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