C12Y101/03004

Amylase-deficient strain

The present invention relates to a mutant microbial host cell which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide having α-amylase activity AmyC or an homologous thereof. It has been surprisingly found that when the mutant microbial host cell according to the invention is used in a method to produce a compound of interest, for example an enzyme, an improved purity of the product is obtained.

COMPONENT MIXING DEVICE AND COMPONENT MIXING METHOD

The present relates to a component mixing device comprising a central unit (10) and a disposable cartridge, said central unit (10) comprising a control unit, a plurality of vial positioning elements (13) and a cavity 14 for receiving said disposable cartridge, and said disposable cartridge (20) comprising a tubing circuitry adapted to put the components housed in said plurality of vials into communication for mixing, characterized in that the mixing device is adapted to put each vial into communication with each other through said tubing circuitry of said disposable cartridge (20) and mixing said components through an compressed air mechanism (12) located in said central unit (10) and controlled by said control unit.

PEPTIDE COACERVATES AND METHODS OF USE THEREOF

The present invention provides for a composition, as disclosed herein, for delivery of an active agent. The composition includes a peptide coacervate, wherein the peptide coacervate includes one or more peptides derived from histidine-rich proteins, and an active agent encapsulated in the peptide coacervate. Further provided are a method for encapsulation of an active agent in a peptide coacervate, a method for delivery of an active agent, and a method for treating or diagnosing a condition or disease in a subject in need thereof.

METHOD AND APPARATUS FOR GENERATION OF MICROPARTICLES CONTAINING IMMOBILIZED ENZYME

The invention concerns a method and an apparatus for generation of micropartides containing an immobilized functional component, where the following measures are proposed: —spraying a liquid (32) containing a soluble alginate and a functional component consisting of molecules or nanoparticles to generate a stream (60) of droplets, —directing the stream (60) of droplets onto a precipitation bath (16) and capturing the droplets therein by application of high voltage (14), —precipitating the droplets in the precipitation bath (16) by means of a precipitation liquid (18) containing an alginate complexing agent, such that the droplets are solidified to form micropartides (10) containing the functional component and —extracting the micropartides (10) from the precipitation bath (16).

METHOD FOR PREPARING A DOUGH COMPRISING ADDITION OF PENICILLIUM GLUCOSE OXIDASE

The present invention relates to a method for preparing a dough which is to be stored frozen, which method comprises including a Penicillium glucose oxidase in the dough during preparation of the dough.

Further the present invention relates to a frozen dough comprising a Penicillium glucose oxidase and to a method for preparing a baked product, which method comprises baking a frozen dough comprising a Penicillium glucose oxidase.

Baked product prepared from a frozen dough comprising a Penicillium glucose oxidase are described and the use of a Penicillium glucose oxidase in the preparation of a frozen dough.

Enzyme forming mesoporous assemblies embedded in macroporous scaffolds

A hierarchical catalyst composition comprising a continuous or particulate macroporous scaffold in which is incorporated mesoporous aggregates of magnetic nanoparticles, wherein an enzyme is embedded in mesopores of the mesoporous aggregates of magnetic nanoparticles. Methods for synthesizing the hierarchical catalyst composition are also described. Also described are processes that use the recoverable hierarchical catalyst composition for depolymerizing lignin, remediation of water contaminated with aromatic substances, polymerizing monomers by a free-radical mechanism, epoxidation of alkenes, halogenation of phenols, inhibiting growth and function of microorganisms in a solution, and carbon dioxide conversion to methanol. Further described are methods for increasing the space time yield and/or total turnover number of a liquid-phase chemical reaction that includes magnetic particles to facilitate the chemical reaction, the method comprising subjecting the chemical reaction to a plurality of magnetic fields of selected magnetic strength, relative position in the chemical reaction, and relative motion.

Bioactive heme-haloperoxidase compositions and methods of their use

Compositions comprising a heme-haloperoxidase and an amino alcohol effective for killing or inhibiting the growth of pathogenic microorganisms in the presence of a peroxide and halide and methods of use are provided.

GRAPHENE-POLYMER-ENZYME HYBRID NANOMATERIALS FOR BIOSENSORS
20170269021 · 2017-09-21 ·

The invention relates to a general chemical method for the synthesis of biocompatible hybrid nanomaterials which can be used in the development of new-type enzyme based biosensors. A one-step facile method is presented, in which polyethylenimine (PEI) serves as both a reducing agent for the reduction of graphene oxide (GO) into reduced graphene oxide (RGO) and a biological matrix for accommodation of enzymes.

USE OF PENICILLIUM GLUCOSE OXIDASE IN THE BAKING INDUSTRY FOR REPLACING BROMATE OR AZODICARBONAMIDE

The present invention relates to the use of a Penicillium glucose oxidase as a chemical oxidizer replacement in the food industry.

PREVENTION AND TREATMENT OF MICROBIAL INFECTIONS

Compositions for prevention and treatment of microbial infectious, such as microbial infections that comprise a biofilm, or a microbe that is capable of forming a biofilm are described. The compositions comprise an enzyme that is able to convert a substrate to release hydrogen peroxide and a substance that includes a substrate for the enzyme. The enzyme is additional to any enzyme activity able to convert the substrate to release hydrogen peroxide that may be present in the substance. The substance may be an unrefined natural substance or a substance that includes a purified substrate for the enzyme.