Search Results - "Hahn, Veronika"

Laccase-Catalyzed Derivatization of Antibiotics with Sulfonamide or Sulfone Structures by Mikolasch, Annett, Hahn, Veronika

“…Trametes spec. laccase (EC 1.10.3.2.) mediates the oxidative coupling of antibiotics with sulfonamide or sulfone structures with 2,5-dihydroxybenzene…”
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Laccase-Catalyzed Derivatization of Aminoglycoside Antibiotics and Glucosamine by Mikolasch, Annett, Lindequist, Ulrike, Witt, Sabine, Hahn, Veronika

“…The increasing demand for new and effective antibiotics requires intelligent strategies to obtain a wide range of potential candidates. Laccase-catalyzed…”
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Plasma-Activation of Larger Liquid Volumes by an Inductively-Limited Discharge for Antimicrobial Purposes by Schmidt, Michael, Hahn, Veronika, Altrock, Beke, Gerling, Torsten, Gerber, Ioana Cristina, Weltmann, Klaus-Dieter, von Woedtke, Thomas

“…A new configuration of a discharge chamber and power source for the treatment of up to 1 L of liquid is presented. A leakage transformer, energizing two metal…”
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Concept for Improved Handling Ensures Effective Contactless Plasma Treatment of Patients with kINPen® MED by Hahn, Veronika, Grollmisch, Daniel, Bendt, Hannes, von Woedtke, Thomas, Nestler, Bodo, Weltmann, Klaus-Dieter, Gerling, Torsten

“…The nursing of patients with wounds is an essential part of medical healthcare. In this context, cold atmospheric-pressure plasma sources can be applied for…”
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Ring-Closure Mechanisms Mediated by Laccase to Synthesize Phenothiazines, Phenoxazines, and Phenazines by Hahn, Veronika, Mikolasch, Annett, Weitemeyer, Josephine, Petters, Sebastian, Davids, Timo, Lalk, Michael, Lackmann, Jan-Wilm, Schauer, Frieder

“…The green and environmentally friendly synthesis of highly valuable organic substances is one possibility for the utilization of laccases (EC 1.10.3.2). As…”
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Enhanced laccase-mediated transformation of diclofenac and flufenamic acid in the presence of bisphenol A and testing of an enzymatic membrane reactor by Hahn, Veronika, Meister, Mareike, Hussy, Stephan, Cordes, Arno, Enderle, Günther, Saningong, Akuma, Schauer, Frieder

“…The inadequate removal of pharmaceuticals and other micropollutants in municipal wastewater treatment plants, as evidenced by their detection of these…”
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Potential of the enzyme laccase for the synthesis and derivatization of antimicrobial compounds by Hahn, Veronika

“…Laccases [E.C. 1.10.3.2, benzenediol:dioxygen oxidoreductase] can oxidize phenolic substances, e.g. di- and polyphenols, hydroxylated biaryls, aminophenols or…”
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Inactivation of airborne bacteria by plasma treatment and ionic wind for indoor air cleaning by Prehn, Franziska, Timmermann, Eric, Kettlitz, Manfred, Schaufler, Katharina, Günther, Sebastian, Hahn, Veronika

“…Airborne bacteria are a general problem in medical or health care facilities with a high risk for nosocomial infections. Rooms with a continuous airflow, such…”
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Cleavage and synthesis function of high and low redox potential laccases towards 4-morpholinoaniline and aminated as well as chlorinated phenols by Hahn, Veronika, Mikolasch, Annett, Schauer, Frieder

“…Laccases are able to mediate both cleavage and synthesis processes. The basis for this dual reaction capability lies in the property of the enzyme laccase to…”
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Survival outcome following surgical versus non-surgical treatment of colorectal lung metastasis—a retrospective cohort study by Denz, Axel, Hahn, Veronika, Weber, Klaus, Weber, Georg F., Grützmann, Robert, Krautz, Christian, Brunner, Maximilian

“…Purpose The optimal management of colorectal lung metastases (CRLM) is still controversial. The aim of this study was to compare surgical and non-surgical…”
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Radical formation in skin and preclinical characterization of a novel medical plasma device for dermatology after single application by Meinke, Martina C., Hasse, Sybille, Schleusener, Johannes, Hahn, Veronika, Gerling, Torsten, Rasnani, Katayoon Hadian, Bernhardt, Thoralf, Ficht, Philipp-Kjell, Staffeld, Anna, Bekeschus, Sander, Lademann, Jürgen, Emmert, Steffen, Lohan, Silke B., Boeckmann, Lars

“…Cold atmospheric plasma (CAP) enables painless tissue treatment by producing reactive species including excited molecules and charged particles and is of great…”
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Proteomic profiling of antibiotic‐resistant Escherichia coli GW‐AmxH19 isolated from hospital wastewater treated with physical plasma by Hahn, Veronika, Zühlke, Daniela, Winter, Hauke, Landskron, Annchristin, Bernhardt, Jörg, Sievers, Susanne, Schmidt, Michael, Woedtke, Thomas, Riedel, Katharina, Kolb, Juergen F.

“…Microorganisms which are resistant to antibiotics are a global threat to the health of humans and animals. Wastewater treatment plants are known hotspots for…”
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A fast and reliable microplate reader assay to assess the antiviral efficacy of cold plasma devices by Bekeschus, Sander, Skowski, Henry, Hahn, Veronika, Bansemer, Robert, Gerling, Torsten, Weltmann, Klaus‐Dieter, Woedtke, Thomas

“…Spurred by global COVID‐19, work in recent years has demonstrated that various devices based on technology generating cold plasma are capable of reducing the…”
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Decay of the water reed Phragmites communis caused by the white-rot fungus Phlebia tremellosa and the influence of some environmental factors by Dosdall, Rovena, Preuß, Franziska, Hahn, Veronika, Schlüter, Rabea, Schauer, Frieder

“…The strain Phlebia tremellosa SBUG 1630 isolated from a thatched roof in Northern Germany is capable of colonizing and degrading effectively the water reed…”
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Laccase-mediated multi-step homo- and heteromolecular reactions of ortho -dihydroxylated aromatic compounds and mono- or diaminated substances resulting in C C, C O and C N bonds by Hahn, Veronika, Mikolasch, Annett, Kuhlisch, Cornelius, Schauer, Frieder

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Enzymatic thiol Michael addition using laccases: Multiple CS bond formation between p-hydroquinones and aromatic thiols by Schlippert, Max, Mikolasch, Annett, Hahn, Veronika, Schauer, Frieder

“…[Display omitted] •Laccase created CS bonds between p-hydroquinones and aromatic thiols.•We discovered different thiolated products, ranging from dimers to…”
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Laccase-mediated multi-step homo- and heteromolecular reactions of ortho-dihydroxylated aromatic compounds and mono- or diaminated substances resulting in CC, CO and CN bonds by Hahn, Veronika, Mikolasch, Annett, Kuhlisch, Cornelius, Schauer, Frieder

“…[Display omitted] ⿢The laccase-mediated multi-step reactions resulted in homo- or heteromolecular cyclization products as well as monoaminated quinonoid…”
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Plasma‐mediated inactivation of E. coli: Influence of protein on wet surface and in liquid medium by Hahn, Veronika, Dikyol, Caner, Altrock, Beke, Schmidt, Michael, Wende, Kristian, Ercan, Utku K., Weltmann, Klaus‐Dieter, von Woedtke, Thomas

“…Application of cold atmospheric‐pressure plasma (CAP) for wound treatment but also for decontamination of food or water often includes the presence of…”
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Inactivation of antibiotic-resistant microorganisms by physical plasma by Hahn, Veronika, Balazinski, Martina, Schulz, Tilo, Schmidt, Michael, Zühlke, Daniela, Woedtke, Thomas von, Kolb, Jürgen, Weltmann, Klaus-Dieter, Riedel, Katharina

“…Wastewater treatment plants are “hotspots” for the dissemination of antibiotic-resistant microorganisms (ARM). 1 General treatment methods only insuffiently…”
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Two different primary oxidation mechanisms during biotransformation of thymol by gram-positive bacteria of the genera Nocardia and Mycobacterium by Hahn, Veronika, Sünwoldt, Katharina, Mikolasch, Annett, Schauer, Frieder

“…Thymol has antibacterial, antifungal, insecticidal, and antioxidative properties which are the basis for the wide use of this compound in the cosmetic, food,…”
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