Abrégé

A method for electrochemically activating a material comprising hydronium ion-conducting amyloid fibers and glycosylated proteins, in which the method includes placing at least part of the material in contact with a water vapor, electrolyzing at least part of the water vapor which is in contact with the material, and obtaining an activated material. The invention also relates to an activated material obtained in this way and to it use for generating electrical energy.

Classes IPC  ?

• H01M 8/16 - Éléments à combustible biochimique, c.-à-d. éléments dans lesquels des micro-organismes agissent comme catalyseurs

Abrégé

The invention relates to a method for supplying a bioreactor with culture medium, comprising: providing a liquid matrix source; providing a liquid flow line between the source of the liquid matrix and the bioreactor; initiating a flow of the liquid matrix through the liquid flow line; providing at least one source of enrichment substances; injecting at least one nutrient into the flow of the liquid matrix in order to form a culture medium with a defined concentration of enrichment substances in the liquid flow line; and providing a desired quantity of the culture medium to the bioreactor. The invention also relates to an associated system.

Classes IPC  ?

• C12M 1/00 - Appareillage pour l'enzymologie ou la microbiologie

Abrégé

The invention relates to a device (1) for determining the elongation of a connection (2) submerged in an aquatic environment between a first time t1 and a second time t2. According to the invention, the device comprises acoustic wave transmitting means (11) rigidly attached to the connection at a first position (111) on the connection (2), acoustic wave reflecting means (12) rigidly attached to the connection at a second position (121) on the connection (2), and receiving means (13) for receiving the acoustic waves reflected off the reflecting means (12), the receiving means being rigidly attached to the connection at the first position. According to the invention, the device comprises means for determining a first distance d1 between the first position (111) and the second position (121) according to the travel time of the acoustic waves at the first time t1 and a second distance d2 between the first position (111) and the second position (121) according to the travel time of the acoustic waves at the second time t2. According to the invention, the means for determining the first and second distances comprise at least one of the following means: - means for determining at least one value of the temperature of the aquatic environment; - means for determining at least one value of the salinity of the aquatic environment.

Classes IPC  ?

• G01B 17/04 - Dispositions pour la mesure caractérisées par l'utilisation de vibrations infrasonores, sonores ou ultrasonores pour mesurer la déformation dans un solide, p. ex. par corde vibrante
• F03D 13/25 - Dispositions pour monter ou supporter des mécanismes moteurs à ventPylônes ou tours pour des mécanismes moteurs à vent spécialement adaptés à l’installation offshore
• F03D 80/00 - Détails, composants ou accessoires non prévus dans les groupes
• G01M 5/00 - Examen de l'élasticité des structures ou ouvrages, p. ex. fléchissement de ponts ou d'ailes d'avions
• G01S 7/52 - Détails des systèmes correspondant aux groupes , , de systèmes selon le groupe
• G01S 7/521 - Caractéristiques de structure
• G01S 15/10 - Systèmes pour mesurer la distance uniquement utilisant la transmission de trains discontinus d'ondes modulées par impulsions
• G01S 15/88 - Systèmes sonar, spécialement adaptés à des applications spécifiques
• B63B 21/00 - Apparaux de manœuvreApparaux de déhalage, de remorquage ou de pousséeAncrage
• E02D 27/52 - Fondations submergées

Abrégé

"The invention relates to a method for electrochemical activation of a material comprising hydronium ion-conducting amyloid fibres and glycosylated proteins, the method comprising at least a step that involves putting at least one part of said material in contact with water vapour and electrolyzing at least one part of the water vapour in contact with said material, and obtaining an activated material. Also concerned, an activated material thus obtained and its use for generating electrical energy."

Classes IPC  ?

• H01M 4/60 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés organiques

Abrégé

The invention relates to a method for electrochemically activating a material comprising hydronium ion-conducting amyloid fibres and glycosylated proteins, the method comprising at least one step that consists in placing at least part of said material in contact with a water vapour, electrolysing at least part of the water vapour which is in contact with said material, and obtaining an activated material. The invention also relates to an activated material obtained in this way and to the use thereof for generating electrical energy.

Classes IPC  ?

• H01M 4/60 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs de composés organiques
• H01M 14/00 - Générateurs électrochimiques de courant ou de tension non prévus dans les groupes Leur fabrication

Abrégé

The present invention concerns a composition comprising at least one non-infectious virus particle for preventing and/or treating a viral infection in a marine mollusc.

Classes IPC  ?

• A61K 39/12 - Antigènes viraux

Abrégé

Carnobacterium divergensCarnobacterium divergens.

Classes IPC  ?

• A23L 3/3571 - Micro-organismes; Enzymes
• B65D 81/28 - Emploi de moyens de préservation des aliments, de fongicides, d'insecticides ou de produits repoussant les animaux
• A23L 17/00 - Produits tirés de la merProduits à base de poissonFarine de poissonSuccédanés d’œufs de poissonLeur préparation ou leur traitement
• A23B 4/22 - Micro-organismesEnzymes
• C12R 1/225 - Lactobacillus
• C12R 1/46 - Streptococcus
• C12N 1/20 - BactériesLeurs milieux de culture

Abrégé

SkeletonemaSkeletonema Skeletonema or a photosensitizer derived therefrom.

Classes IPC  ?

• A61K 41/00 - Préparations médicinales obtenues par traitement de substances par énergie ondulatoire ou par rayonnement corpusculaire
• A61K 36/03 - Phaeophycota ou phaeophyta (algues brunes), p. ex. Fucus
• A61P 31/04 - Agents antibactériens
• A61P 17/10 - Antiacnéïques

Abrégé

The present invention relates to a method for extracting a purine using a surfactant, to the purine extract obtained and to the use of said extract.

Classes IPC  ?

• A61K 8/49 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques contenant des composés hétérocycliques
• A61Q 1/02 - Préparations contenant des colorants cutanés, p. ex. pigments
• A61Q 5/06 - Préparations pour mettre les cheveux en forme, p. ex. pour mettre en forme ou colorer temporairement
• A61K 8/98 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des produits de constitution indéterminée ou leurs dérivés d'origine animale
• C07D 473/00 - Composés hétérocycliques contenant des systèmes cycliques purine
• C07D 473/18 - Composés hétérocycliques contenant des systèmes cycliques purine avec des atomes d'oxygène, de soufre ou d'azote liés directement en positions 2 et 6 un atome d'oxygène et un atome d'azote, p. ex. guanine
• C09B 61/00 - Colorants naturels préparés à partir de sources naturelles

Abrégé

The invention relates to a strain of Lactobacillus sake called Lactobacillus sakei LHIS2885 strain, and to a strain derived from L. sakei LHIS2885. The invention also relates to the use of a strain of L. sakei, preferably the strain LHIS2885 or a strain derived from LHIS2885, for the preservation of food products, preferably products from the sea.

Classes IPC  ?

• C12N 1/20 - BactériesLeurs milieux de culture
• A23L 1/03 - contenant des additifs (A23L 1/05, A23L 1/30, A23L 1/308 ont priorité);;
• A23L 1/325 - Produits tirés de la mer; Produits à base de poisson; Farine de poisson; Succédanés d'œufs de poisson
• A23B 4/22 - Micro-organismesEnzymes
• C12R 1/225 - Lactobacillus

Abrégé

The present invention relates to a signature predictive of the biomineralization capacity of a graft-donor oyster, said signature comprising the expression profile of at least one biomarker comprising or consisting of a nucleotide sequence selected from SEQ ID NO 1 to SEQ ID NO 42, variants thereof and fragments thereof. Another subject of the invention is a graft-donor pearl oyster with a high biomineralization capacity, characterized in that it has a predictive signature according to the invention. The invention also relates to a biomarker predictive of the biomineralization capacity of a graft-donor pearl oyster, said biomarker being selected from the list consisting of SEQ ID NO 1 to SEQ ID NO 42.

Classes IPC  ?

• C12Q 1/68 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismesCompositions à cet effetProcédés pour préparer ces compositions faisant intervenir des acides nucléiques

Abrégé

The invention relates to a method for the enzymatic extraction of chitin, characterised in that said method is carried out in a single step in which the chitin is obtained by the enzymatic hydrolysis of a raw material consisting of animal biomass including chitin, said enzymatic hydrolysis using an active enzyme in an acid medium. The invention also relates to a method for optimising said method for the enzymatic extraction of chitin. The invention also relates to the chitin that can be obtained by said enzymatic extraction method.

Classes IPC  ?

• C12P 19/04 - Polysaccharides, c.-à-d. composés contenant plus de cinq radicaux saccharide reliés entre eux par des liaisons glucosidiques

Abrégé

The present invention relates to a nucleus covered or coated with a film comprising one or more PHA. The invention also relates to a PHA, characterized in that it is of the type PHB-V, a film and a composition comprising said PHA. The invention further relates to a film or a composition comprising a PHA and zosteric acid or a bioactive molecule. The invention moreover relates to a surface, preferably a nucleus, covered with the film of PHA, a method for production thereof, and methods for grafting a pearl oyster and producing a pearl using this nucleus. Finally, the present invention relates to a method for reducing graft failure and/or for improving the quality of the pearl using the nucleus according to the invention.

Classes IPC  ?

• A01K 61/00 - Élevage des animaux aquatiques
• C08G 63/02 - Polyesters dérivés soit d'acides hydroxycarboxyliques, soit d'acides polycarboxyliques et de composés polyhydroxylés
• C09D 167/04 - Polyesters dérivés des acides hydroxycarboxyliques, p. ex. lactones

Abrégé

System comprising an underwater vehicle (10) and a base (40) situated at the surface. The underwater vehicle (10) has an on-board reserve of energy and is controlled remotely from the base via at least one first optical fibre (15). The system comprises: a positive-buoyancy element known as a float (20), connected by wire to the underwater vehicle (10), only via the first optical fibre (15); and a negative-buoyancy element known as a sinker (30) connected to the base (40). The float (20) and the sinker (30) are connected by wire by means of a first flexible link (25). This system also comprises: a first device (12), provided on the float (20) and/or on the underwater vehicle (10), for winding in and paying out the first optical fibre (15); and a second device (32), provided on the float (20) and/or on the sinker (30), for winding in and paying out the first flexible link (25).

Classes IPC  ?

• B63B 21/66 - Équipements spécialement adaptés au remorquage sous l'eau des objets ou des navires, p. ex. carénages hydrodynamiques pour câbles de remorquage
• B63G 8/00 - Navires submersibles, p. ex. sous-marins

Abrégé

The invention relates to a nucleus coated with a film comprising one or more exopolysaccharides (EPS) and optionally one or more bioactive molecules such as bactericidal or bacteriostatic agents, cicatrizing agents and/or anti-inflammatory agents, as well as to a method for obtaining said nucleus, in order to inhibit graft rejection in pearl oysters.

Classes IPC  ?

• A01K 61/00 - Élevage des animaux aquatiques

Abrégé

The invention relates to exopolysaccharides, preferably obtained by fermenting bacteria from deep hydrothermal ecosystems, serving as agents for preventing the formation of unwanted biofilms on a surface. The invention also relates to a method for protecting a surface by preventing the formation of the primary film leading to unwanted biofilms, wherein the method includes placing said surface in contact with at least one exopolysaccharide of the invention, or grafting the exopolysaccharide of the invention onto said surface. The invention also relates to a method for modifying the physical properties of a surface such that the adhesion of an unwanted bacterial biofilm to said surface is reduced.

Classes IPC  ?

• C09D 5/16 - Peintures antisalissuresPeintures subaquatiques
• A01N 63/02 - Substances produites par, ou obtenues à partir de micro-organismes ou d'animaux
• C09D 199/00 - Compositions de revêtement à base de composés macromoléculaires naturels ou de leurs dérivés, non prévues dans les groupes ou
• A01N 43/02 - Biocides, produits repoussant ou attirant les animaux nuisibles, ou régulateurs de croissance des végétaux, contenant des composés hétérocycliques comportant des cycles avec un ou plusieurs atomes d'oxygène ou de soufre comme uniques hétéro-atomes du cycle

Abrégé

The present invention concerns a method for determining if a particular Ostreid herpesvirus 1 (OsHV-1) corresponds to the OsHV-1 μVar strain, which method comprises the steps of (i) determining the sequence of the C region (SEQ ID n°l) and/or of the IA region (SEQ ID n°2) of the genomic DNA of said OsHV-1 virus, and (ii) determining if said OsHV-1 virus corresponds to the OsHV-1 μVar strain; and a pair of primers and a kit useful for such a method.

Classes IPC  ?

• C12Q 1/70 - Procédés de mesure ou de test faisant intervenir des enzymes, des acides nucléiques ou des micro-organismesCompositions à cet effetProcédés pour préparer ces compositions faisant intervenir des virus ou des bactériophages

Abrégé

Prawn sorting device comprising a conveyor belt (10) designed to convey said prawns (11), this belt travelling in a conveying direction (D). In planes perpendicular to the conveying direction (D) and in the direction of travel (S) of the belt, the belt (10) is inclined progressively with respect to the horizontal (H), so that at least some of the prawns (11) slide over the belt (10) and leave the belt via a lateral edge (10b) of the belt. Collecting means (B1, B2, B3) arranged at intervals along said lateral edge (10b) collect the prawns (11) separately as they leave the belt (10) at different locations along the lateral edge (10b) of the belt. Method for sorting prawns based on their texture, using such a device.

Classes IPC  ?

• A22C 29/02 - Traitement des crevettes, homards ou similaires
• B07B 13/00 - Classement ou triage des matériaux solides par voie sèche non prévu ailleursTriage autrement que par des dispositifs commandés indirectement

Abrégé

Apparatus for recovering an underwater or marine vehicle, particularly an AUV, comprising a chassis (14) defining a housing that the vehicle (1) can enter, via an entrance, and comprising: receiving means (18) for receiving the nose of the vehicle (1), these means being capable of moving along the length of said housing as the vehicle enters it, these receiving means (18) having sufficient freedom of movement relative to the chassis (14) that they can accompany the movement of the vehicle, when they lie near the entrance to the housing; and guide means (58, 60) for guiding the receiving means (18) when the vehicle enters the housing, and for orientating these receiving means (8), and the vehicle (1), by restricting their freedom of movement relative to the chassis as the vehicle gradually enters the housing.

Classes IPC  ?

• B63C 11/34 - Chambres de plongée reliées mécaniquement à une base, p. ex. par un câble

Abrégé

Installation and methods for recovering and/or launching an underwater or marine vehicle (1), particularly an AUV, from a recovery base (5). The installation comprises a floating cage (10) defining a housing (16) that at least part of said vehicle (1) can enter, first hauling means mounted on said cage and capable of hauling said vehicle into said housing, via a first flexible link, typically a cable (22), and second hauling means (7) intended to be mounted on the recovery base (5) and capable of hauling said cage via a second flexible link (9, 70) different from the first one.

Classes IPC  ?

• B63C 7/04 - Renflouement de navires désemparés, échoués ou coulésRécupération d'éléments de navires ou d'ameublements, p. ex. de coffres fortsRécupération d'autres objets immergés dans lequel le relevage se fait par halage avec emploi de pontons ou d'éléments analogues
• B63C 11/34 - Chambres de plongée reliées mécaniquement à une base, p. ex. par un câble