Abstract: A process to inert non-swelling clays in at least one mineral component intended for the preparation of a hydraulic composition, including the addition, to the hydraulic composition, to the mineral component or to one of the other constituents of the hydraulic composition, of an organic molecule having a cationic charge density strictly less than 0.5 meq/g and including at least two atoms each being capable of forming at least one hydrogen bond.

Abstract: The present invention relates to a system for positioning with respect to a patient's body an observation and/or intervention device having a portion penetrating into the patient's body comprising a base disposed over the patient's body; a means for supporting the device formed of a first portion movably assembled on the base according to a connection with one degree of freedom, and of a second portion movably assembled on the first portion according to a connection with one degree of freedom and connected to the device; and means for actuating the first portion with respect to the base, and the second portion with respect to the first portion, in which the base surrounds at a distance at least partially the device, said device being detachably connected to the second portion to enable removal of the positioning system while leaving in place the device.

Abstract: A bag is used to provide an admixture for a hydraulic composition, wherein a wall of the bag includes a layer, the layer including a water-soluble polymer, and wherein an admixture is present in the wall of the bag.

Abstract: A treatment process for the production of a hydraulic composition with entrained air including at least one admixture and a constituent including carbonaceous materials, the process including: obtaining a representative value of the adsorption of probe molecules by the carbonaceous materials; and producing the hydraulic composition or treating the constituent with a quantity of admixture which depends on the value.

Abstract: A bag is used to provide an admixture for a hydraulic composition, wherein a wall of the bag includes a layer, the layer including a water-soluble polymer, and wherein an admixture is present in the wall of the bag.

Abstract: A method for inerting clays in sands which are intended for the preparation of hydraulic compositions, the method including a step of adding to the hydraulic composition, or to one of the constituents thereof, a composition which may include at least 50% by weight of a cationic polymer which has a density of cationic charges which is greater than 0.5 meq/g and an intrinsic viscosity which is less than 1 dl/g as an active substance. The hydraulic composition may be a concrete or a mortar.

Abstract: The present invention relates to a system for positioning with respect to a patient's body an observation and/or intervention device having a portion penetrating into the patient's body comprising a base disposed over the patient's body; a means for supporting the device formed of a first portion movably assembled on the base according to a connection with one degree of freedom, and of a second portion movably assembled on the first portion according to a connection with one degree of freedom and connected to the device; and means for actuating the first portion with respect to the base, and the second portion with respect to the first portion, in which the base surrounds at a distance at least partially the device, said device being detachably connected to the second portion to enable removal of the positioning system while leaving in place the device.

Abstract: The present invention relates to a system for positioning with respect to a patient's body an observation and/or intervention device having a portion penetrating into the patient's body comprising a base laid on the patient's body; a means for supporting the device formed of a first portion movably assembled on the base according to a connection with one degree of freedom, and of a second portion movably assembled on the first portion according to a connection with one degree of freedom and connected to the device; and means for actuating the first portion with respect to the base, and the second portion with respect to the first portion, in which the base surrounds at a distance at least partially the device, said device being detachably connected to the second portion to enable removal of the positioning system while leaving in place the device.

Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.

Abstract: It refers to a recombinant alpha-hemolysin polypeptide of Staphylococcus aureus, comprising a deletion in the stem domain, wherein at least one heterologous sequence is inserted in a region selected from the group consisting of regions defined by amino acid position of 108 to 151, 1 to 5, 288 to 293, 43 to 48, 235 to 240, 92 to 97, 31 to 36,or 156 to 161 of SEQ ID NO: 1, with the proviso that, if the heterologous sequence contains five or more consecutive histidines the moiety of the heterologous sequence other than the moiety of five or more consecutive histidines has a minimum length of 11 amino acids; or a variant thereof comprising 1-50 amino acids added, substituted or deleted in SEQ ID NO. 1 and the activity to form oligomers and to bind to lipidic bilayers. It also provides a medicament and vaccine comprising said recombinant polypeptide.

Abstract: In one embodiment, the present invention includes a method for preparing a hydraulic composition including sand in which clay is present, the method including adding to the sand and clay a cationic polymer having a density of cationic charges which is greater than 0.5 meq/g and an intrinsic viscosity which is less than 1 dl/g, said cationic polymer being present in an amount of from 2-20% by weight based on the amount of clay present, said clay present in an amount of from 0.5-5% by weight of the sand present, and water.

Abstract: A process to inert non-swelling clays in at least one mineral component intended for the preparation of a hydraulic composition, including the addition, to the hydraulic composition, to the mineral component or to one of the other constituents of the hydraulic composition, of an organic molecule having a cationic charge density strictly less than 0.5 meq/g and including at least two atoms each being capable of forming at least one hydrogen bond.

Abstract: In one embodiment, the present invention includes a method for preparing a hydraulic composition including sand in which clay is present, the method including adding to the sand and clay a cationic polymer having a density of cationic charges which is greater than 0.5 meq/g and an intrinsic viscosity which is less than 1 dl/g, said cationic polymer being present in an amount of from 2-20% by weight based on the amount of clay present, said clay present in an amount of from 0.5-5% by weight of the sand present, and water.

Abstract: A treatment process for the production of a hydraulic composition with entrained air including at least one admixture and a constituent including carbonaceous materials, the process including: obtaining a representative value of the adsorption of probe molecules by the carbonaceous materials; and producing the hydraulic composition or treating the constituent with a quantity of admixture which depends on the value.

Abstract: It refers to a recombinant alpha-hemolysin polypeptide of Staphylococcus aureus, comprising a deletion in the stem domain, wherein at least one heterologous sequence is inserted in a region selected from the group consisting of regions defined by amino acid position of 108 to 151, 1 to 5, 288 to 293, 43 to 48, 235 to 240, 92 to 97, 31 to 36,or 156 to 161 of SEQ ID NO: 1, with the proviso that, if the heterologous sequence contains five or more consecutive histidines the moiety of the heterologous sequence other than the moiety of five or more consecutive histidines has a minimum length of 11 amino acids; or a variant thereof comprising 1-50 amino acids added, substituted or deleted in SEQ ID NO. 1 and the activity to form oligomers and to bind to lipidic bilayers. It also provides a medicament and vaccine comprising said recombinant polypeptide.

Abstract: The present invention relates to a system for positioning with respect to a patient's body an observation and/or intervention device having a portion penetrating into the patient's body comprising a base laid on the patient's body; a means for supporting the device formed of a first portion movably assembled on the base according to a connection with one degree of freedom, and of a second portion movably assembled on the first portion according to a connection with one degree of freedom and connected to the device; and means for actuating the first portion with respect to the base, and the second portion with respect to the first portion, in which the base surrounds at a distance at least partially the device, said device being detachably connected to the second portion to enable removal of the positioning system while leaving in place the device.

Abstract: A sensor for detecting the presence of predetermined chemical/biological molecules, the sensor having a MOSFET device (2, 3, 6, 7, 9, 10, 12, 13), the gate having an array of nanoscale fingers (6,7), and on fingers or in spaces between the fingers, chemical/biological receptor molecules (15) suitable for selectively binding with the predetermined chemical/biological molecules, the sensor also having circuitry (4, 5, 11, 12) for measuring a change in a change in drain current of the FET caused by the predetermined chemical/biological molecules becoming bound to the receptor molecules. Sensitivity and reliability can be increased compared to capacitive sensors.

Abstract: An embodiment of the invention provides a production process of sand including the extraction of sand from a quarry; the periodic, on-line and automated withdrawal of a sample of sand; and the automated measurement of the methylene blue value on the sample of sand. Another embodiment of the invention provides a production line of sand including means of extraction of sand from a quarry; periodic and automated means of withdrawal of a sample of sand; and automated means of measuring the methylene blue value for the sample of sand.

Abstract: The invention concerns a composition useful for inerting clays in hydraulic compositions, comprising at least 50 wt. % of a cationic polymer having a cationic charge density more than 0.5 meq/g and an intrinsic viscosity less than 1 dl/g, as active substance.

Abstract: This invention relates to novel methods for producing recombinant allergens, including but not limited to proDer p 1, the precursor form of the major protein allergen from Dermatophagoides pteronyssinus Der p 1, and to recombinant allergens produced by such methods. The invention further relates to the use of said recombinant allergens in formulating immunogenic compositions and vaccines effective in the prevention and/or the reduction of allergic responses to specific allergens.