Search filters

List of works by Udo Kragl

(Vapour+liquid) equilibrium of binary mixtures (1,3-dioxolane or 1,4-dioxane+2-methyl-1-propanol or 2-methyl-2-propanol) at isobaric conditions

A Falling-Film Microreactor for Enzymatic Oxidation of Glucose

article published in 2014

A Versatile Approach to Alcohol, Aldehyde, Ketone and Amine Derivatives Starting from β-Allyl C-Glycosides of d-Ribofuranose and 2-Deoxy-d-ribofuranose

A chemoenzymatic approach towards moenomycin structural analogues

A novel reactor concept for the enzymatic reduction of poorly soluble ketones

A novel, efficient regenerating method of NADPH using a new formate dehydrogenase

A “Dendritic Effect” in Homogeneous Catalysis with Carbosilane-Supported Arylnickel(II) Catalysts: Observation of Active-Site Proximity Effects in Atom-Transfer Radical Addition

scientific article published in 2000

Allylic Substitution with Dendritic Palladium Catalysts in a Continuously Operating Membrane Reactor

scholarly article by N. Brinkmann et al published April 1999 in Journal of Catalysis

An R-selective hydroxynitrile lyase from Arabidopsis thaliana with an alpha/beta-hydrolase fold

scientific article published in January 2007

Application and mechanism of carrier facilitated carbohydrate extraction from aqueous solution

Application of microstructured devices for continuous synthesis of tailored platinum nanoparticles

Assessment of acetone as an alternative to acetonitrile in peptide analysis by liquid chromatography/mass spectrometry.

scientific article

Asymmetric hydrogenation in a membrane reactor: recycling of the chiral catalyst by using a retainable micellar system

Asymmetric reduction of acetophenone in membrane reactors: comparison of oxazaborolidine and alcohol dehydrogenase catalysed processes

Biocatalytic Reactions in Ionic Liquids

Biocatalytic Reactions in Ionic Liquids

Catalyst Encapsulation and Substrate Solubilization in Polymer-Surfactant Complexes and Their Use in a Membrane Reactor

Ceramic honeycomb as support for covalent immobilization of laccase from Trametes versicolor and transformation of nuclear fast red.

scientific article published on 23 December 2010

Chemical characterization and quantification of the brown algal storage compound laminarin — A new methodological approach

article

Chemoenzymatic Sequential Multistep One-Pot Reaction for the Synthesis of (1S,2R)-1-(Methoxycarbonyl)cyclohex-4-ene-2-carboxylic Acid with Recombinant Pig Liver Esterase

Chiral Titanium Alkoxides as Catalysts for the Enantioselective Reduction of Ketones with Boranes

scholarly article by Guido Giffels et al published 2 October 1995 in Angewandte Chemie International Edition

Chloroperoxidase: Use of a Hydrogen Peroxide-Stat for Controlling Reactions and Improving Enzyme Performance

Comparison of Electrochemical Oxidation of Flavonols and Calculated Proton Affinity and Electron Transfer Enthalpy in Water

Continuous Asymmetric Synthesis in a Membrane Reactor

Continuous Catalytic Synthesis ofN- Acetyllactosamine

Continuous Synthesis of (R)-(+)-Benzaldehydecyanohydrin Using (R)-Oxynitrilase in Lyotropic Liquid Crystals

Correlating coating characteristics with the performance of drug-coated balloons--a comparative in vitro investigation of own established hydrogel- and ionic liquid-based coating matrices

scientific article

Determination of volatility of ionic liquids at the nanoscale by means of ultra-fast scanning calorimetry.

scientific article published in February 2014

Development of Ionic Liquid-Water-Based Thermomorphic Solvent (TMS)-Systems for Biocatalytic Reactions

scientific article published on 05 July 2019

Do We Understand the Volatility of Ionic Liquids?

scientific article published on 01 January 2007

Downstream processing of serinol from a glycerol-based fermentation broth and transfer to other amine containing molecules

scientific article published on 15 November 2016

Driving forces of protein partitioning in an ionic liquid-based aqueous two-phase system

Dynamic Kinetic Resolution of α-Amino Acid Esters in the Presence of Aldehydes

Eco-efficiency analysis as a reaction-engineering tool—Case study of a laccase-initiated oxidative C–N coupling

Editorial of the PCCP themed issue on “Basic Mechanisms in Energy Conversion”

scientific article published on 01 April 2016

Effects of phytoestrogen extracts isolated from rye, green and yellow pea seeds on hormone production and proliferation of trophoblast tumor cells Jeg3.

scientific article published on 6 April 2006

Efficient whole-cell biotransformation in a biphasic ionic liquid/water system

scientific article published in August 2004

Einfluss der Reaktorkonfiguration auf die Enantioselektivität einer kinetischen Racematspaltung

Electrochemical Initiated C-N Coupling of 3-Methylcatechol and n -Hexylamine in a Flow Cell Monitored with ESI-MS

Engineering Aspects of Enzyme

Enhanced enantioselectivity of lipase from Pseudomonas sp. at high temperatures and fixed water activity in the ionic liquid, 1-butyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]amide

article published in 2002

Enzymatic Large-Scale Production of 2-Keto-3-deoxy-D-GLYCERO-D-galacto-nonopyranulosonic Acid in Enzyme Membrane Reactors

scientific article published on 01 November 1997

Enzymatic Two-Step Synthesis ofN-Acetyl-neuraminic Acid in the Enzyme Membrane Reactor

article by Udo Kragl et al published July 1991 in Angewandte Chemie International Edition

Enzymatic resolution of 1-phenyl-1,2-ethanediol by enantioselective oxidation: Overcoming product inhibition by continuous extraction

scientific article published on 01 September 1996

Enzymatic resolution of 4-N-phenylacetylamino-derivatives obtained from multicomponent reactions using PenG amidase and in silico studies

Enzymatic synthesis of the core-2 sialyl Lewis X O-glycan on the tumor-associated MUC1a' peptide

scientific article

Enzyme catalysis in ionic liquids

scientific article

Enzyme catalysis in ionic liquids: lipase catalysed kinetic resolution of 1-phenylethanol with improved enantioselectivity

article published in 2001

Erratum

scholarly article published in Trends in Biotechnology

Fuzzy filtering for robust bioconcentration factor modelling

Handling uncertainties in toxicity modelling using a fuzzy filter

article

Heat transfer mechanisms analysed by high speed video recording of metal quenching in ionic liquids and water

Highly selective hydroformylation of internal and terminal olefins to terminal aldehydes using a rhodium-BIPHEPHOS-catalyst system

How to overcome limitations in biotechnological processes - examples from hydroxynitrile lyase applications

scientific article published on 27 August 2009

Hydroformylation of olefins over rhodium supported metal-organic framework catalysts of different structure

Hydroformylierung längerkettiger Olefine

Hydroxynitrile Lyase in Organic Solvent-Free Systems to Overcome Thermodynamic Limitations

Hydroxynitrile lyase catalyzed cyanohydrin synthesis at high pH-values

scientific article

Improvement of the total turnover number and space-time yield for chloroperoxidase catalyzed oxidation

scientific article published on 01 July 1997

Improving the Time Resolution for Remote Control of Enzyme Activity by a Nanosecond Laser-Induced pH Jump

In situ generated O-Glycan core 1 structure as substrate for Gal(β1–3)GalNAc β-1,6-GlcNAc Transferase

scientific article published on 01 September 1998

Increased productivity of Clostridium acetobutylicum fermentation of acetone, butanol, and ethanol by pervaporation through supported ionic liquid membrane

scientific article published on 29 January 2008

Industrial biotechnology—the future of green chemistry?

Influence of the textural properties of Rh/MOF-5 on the catalytic properties in the hydroformylation of olefins

Influence of water-miscible organic solvents on kinetics and enantioselectivity of the (R)-specific alcohol dehydrogenase from Lactobacillus brevis.

scientific article published in May 2006

Investigation on Aggregate Formation of Ionic Liquids

Investigation on the Biocatalytic Oligomerization of Glycidol

Ionic Liquids

Ionic Liquids as New Quenching Media for Aluminium Alloys and Steels*

Ionic liquids for aqueous two-phase extraction and stabilization of enzymes

scientific article published in April 2008

Ionic liquids for two-phase systems and their application for purification, extraction and biocatalysis

scientific article published on 16 October 2010

Ionische Flüssigkeiten und ihre Anwendung als Flüssigmembran

Isolation of Trimethylammoniumyl–Acetate Monohydrate fromCola LepidotaSeeds: Antiproliferative Activity of Extracts and Fractions

Isolation of cyanophycin from tobacco and potato plants with constitutive plastidic cphATe gene expression

scientific article published on 08 January 2012

Laccase initiated C C couplings: Various techniques for reaction monitoring

scientific article published in 2015

Large-Scale Production of a Soluble Human β-1,4-Galactosyltransferase Using a Saccharomyces cerevisiae Expression System

scientific article published on 01 February 1995

Lipase-Catalyzed Polycondensation in Water: A New Approach for Polyester Synthesis

Maximise Equilibrium Conversion in Biphasic Catalysed Reactions: How to Obtain Reliable Data for Equilibrium Constants?

Membrane reactor development for the kinetic resolution of ethyl 2-hydroxy-4-phenylbutyrate

article

Microwave-assisted covalent immobilization of enzymes on inorganic surfaces

Mixing and Reactions in Microchannels - an Educational Approach Using the Internet

Modelling the Reaction Course of a Dynamic Kinetic Resolution of Amino Acid Derivatives: Identifying and Overcoming Bottlenecks

Modelling the reaction course of N-acetylneuraminic acid synthesis from N-acetyl-D-glucosamine--new strategies for the optimisation of neuraminic acid synthesis

scientific article published on 29 June 2007

N-Acetylneuraminic Acid From a Rare Chemical from Natural Sources to a Multikilogram Enzymatic Synthesis for Industrial Application

Nanofiltration for Purification of Nucleotide Sugars

Nanofiltration for the Separation of Nonvolatile Products from Solutions Containing Ionic Liquids

Nanofiltration membranes for cofactor retention in continuous enzymatic synthesis

Nanofiltration zur Aufarbeitung von schwerflüchtigen Produkten aus Lösungen mit ionischen Flüssigkeiten

Novel anticancer alkene lactone from Persea americana

scientific article published on 9 April 2013

Novel ligands derived from S-tyrosine for the enantioselective addition of diethylzinc to aldehydes

article

Novel paclitaxel-coated angioplasty balloon catheter based on cetylpyridinium salicylate: preparation, characterization and simulated use in an in vitro vessel model

scientific article published on 26 June 2013

Organic Reactions: Sections 4.7– 4.15

Organic Solvent Nanofiltration as a Tool for Separation of Quinine-Based Organocatalysts

Organic Solvent Nanofiltration-Supported Purification of Organocatalysts

article

Oxidation of Flavonols in an Electrochemical Flow Cell Coupled Online with ESI-MS

Palladium-Catalyzed Aminocarbonylation of Aliphatic Alkenes withN,N-Dimethylformamide as an In Situ Source of CO

Photoswitching of enzyme activity by laser-induced pH-jump

scientific article

Poly-Ionic Liquids as New Hydrogel Materials: Synthesis, Characterization and Application

scientific article published on 07 September 2013

Polymer enlarged oxazaborolidines in a membrane reactor: enhancing effectivity by retention of the homogeneous catalyst

Preparation of Poly(ionic liquid)s-Supported Recyclable Organocatalysts for the Asymmetric Nitroaldol (Henry) Reaction

scientific article published on 3 November 2015

Preparation of tailor-made supported catalysts using asymmetric flow field flow fractionation and their application in hydrogenation

Pro-apoptotic and anti-adhesive effects of four African plant extracts on the breast cancer cell line MCF-7.

scientific article

Probing Ion Transfer across Liquid-Liquid Interfaces by Monitoring Collisions of Single Femtoliter Oil Droplets on Ultramicroelectrodes

scientific article published on 20 July 2016

Process Development through Solvent Engineering in the Biocatalytic Synthesis of the Heterocyclic Bulk Chemical ε-Caprolactone

article

Proliferative effects of five traditional Nigerian medicinal plant extracts on human breast and bone cancer cell lines

scientific article

Reaction Engineering Aspects of Activated Sugar Production

scientific article published on 01 October 1996

Reaction Engineering for Enzyme-Catalyzed Biotransformations

Reaction Technology in Asymmetric Synthesis

Reactive extraction of N-acetylneuraminic acid—Kinetic model and simulation of integrated product removal

Recent Developments in NAD(P)H Regeneration for Enzymatic Reductions in One- and Two-Phase Systems

Recent Developments in the Preparation of Silicones with Antimicrobial Properties

scientific article published on 9 April 2017

Recombinant Soluble beta-1,4-Galactosyltransferases Expressed in Saccharomyces cerevisiae. Purification, Characterization and Comparison with Human Enzyme

scientific article published on 01 July 1996

Recycling of Phosphorus-Based Organocatalysts by Organic Solvent Nanofiltration

Room temperature ionic liquids in a heat treatment process for metals

scholarly article in RSC Advances, vol. 4 no. 98, 2014

Scale-Up of a Recombinant Pig Liver Esterase-Catalyzed Desymmetrization of Dimethyl Cyclohex-4-ene-cis-1,2-dicarboxylate

Scaled-up expression of human alpha 2,6(N)sialyltransferase in Saccharomyces cerevisiae.

scientific article published in May 1995

Selective Hydrovinylation of Styrene in a Membrane Reactor: Use of Carbosilane Dendrimers with Hemilabile P,O Ligands

scientific article published on 01 June 1999

Selective hydroformylation of olefins over the rhodium supported large porous metal–organic framework MIL-101

Selective polymerization of propylene oxide by a tin phosphate coordination polymer

Selective removal of acetone and butan-1-ol from water with supported ionic liquid–polydimethylsiloxane membrane by pervaporation

Separation properties of supported ionic liquid–polydimethylsiloxane membrane in pervaporation process

Simple and Effective Catalyst Separation by New CO2 -Induced Switchable Organocatalysts

scientific article

Solid state 15N NMR evidence for a complex Schiff base counterion in the visual G-protein-coupled receptor rhodopsin

article

Solute transport from aqueous mixture throught supported ionic liquid membrane by pervaporation

Spray congealing as innovative technique for enzyme encapsulation

Stability and selectivity of a multiphase membrane, consisting of dimethylpolysiloxane on an ionic liquid, used in the separation of solutes from aqueous mixtures by pervaporation

Stability studies of ionic liquid [EMIm][NTf2] under short-term thermal exposure

scholarly article in RSC Advances, vol. 6 no. 54, 2016

Swelling and Diffusion in Polymerized Ionic Liquids-Based Hydrogels

scientific article published in June 2021

Swelling characteristics and biocompatibility of ionic liquid based hydrogels for biomedical applications

scientific article published on 20 April 2020

Switchable-Hydrophilicity Solvents for Product Isolation and Catalyst Recycling in Organocatalysis

scientific article published on 19 February 2016

Synthesis and Characterization of Polymerized Ionic Liquids: Mechanical and Thermal Properties of a Novel Type of Hydrogels

Synthesis of Aliphatic and α-Halogenated Ketone Cyanohydrins with the Hydroxynitrile Lyase from Manihot esculenta

Synthesis of Cyanohydrins Using Hydroxynitrile Lyases

Synthesis of chiral ε-lactones in a two-enzyme system of cyclohexanone mono-oxygenase and formate dehydrogenase with integrated bubble-free aeration

The Effect of Additives on the Viscosity and Dissolution of Cellulose in Tetrabutylphosphonium Hydroxide

scientific article published on 26 June 2019

The cofactor Mg2+—a key switch for effective continuous enzymatic production of GDP-mannose using recombinant GDP-mannose pyrophosphorylase

The effect of neutral ion aggregate formation on the electrical conductivity of an ionic liquid and its mixtures with chloroform

scientific article published on 12 March 2012

The preparation of deoxy derivatives of mannose-1-phosphate and their substrate specificity towards recombinant GDP-mannose pyrophosphorylase from Salmonella enterica, group B

Thermochemical and Ab Initio Studies of Biodiesel Fuel Surrogates: 1,2,3-Propanetriol Triacetate, 1,2-Ethanediol Diacetate, and 1,2-Ethanediol Monoacetate†

Transfer of ionic liquids across the water/1,2-dichloroethane interface

Tuber-specific cphA expression to enhance cyanophycin production in potatoes

scientific article published on 13 October 2009

UV-Polymerized Vinylimidazolium Ionic Liquids for Permselective Membranes

scientific article published on 28 October 2020

Uneven twins: comparison of two enantiocomplementary hydroxynitrile lyases with alpha/beta-hydrolase fold.

scientific article published on 27 March 2009

Usage of different vessel models in a flow-through cell: in vitro study of a novel coated balloon catheter

scholarly article in RSC Advances, vol. 5 no. 15, 2015

Use of Ionic Liquids to Increase the Yield and Enzyme Stability in the β-Galactosidase Catalysed Synthesis ofN-Acetyllactosamine

Use of an ionic liquid in a two-phase system to improve an alcohol dehydrogenase catalysed reduction

scientific article published on 30 March 2004

Vapor pressure of ionic liquids at low temperatures from AC-chip-calorimetry

scientific article published on 18 July 2016

Paulina is supported by:

About Paulina

Help