EP2943274A1 - Procédé pour activer une réaction chimique, solution activable par ce procédé et dispositif pour la mise en oeuvre de ce procédé - Google Patents
Procédé pour activer une réaction chimique, solution activable par ce procédé et dispositif pour la mise en oeuvre de ce procédéInfo
- Publication number
- EP2943274A1 EP2943274A1 EP14701806.3A EP14701806A EP2943274A1 EP 2943274 A1 EP2943274 A1 EP 2943274A1 EP 14701806 A EP14701806 A EP 14701806A EP 2943274 A1 EP2943274 A1 EP 2943274A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reagents
- drops
- gaseous precursor
- solution
- reagent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0002—Galenical forms characterised by the drug release technique; Application systems commanded by energy
- A61K9/0009—Galenical forms characterised by the drug release technique; Application systems commanded by energy involving or responsive to electricity, magnetism or acoustic waves; Galenical aspects of sonophoresis, iontophoresis, electroporation or electroosmosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K41/00—Medicinal preparations obtained by treating materials with wave energy or particle radiation ; Therapies using these preparations
- A61K41/0028—Disruption, e.g. by heat or ultrasounds, sonophysical or sonochemical activation, e.g. thermosensitive or heat-sensitive liposomes, disruption of calculi with a medicinal preparation and ultrasounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/30—Micromixers
- B01F33/302—Micromixers the materials to be mixed flowing in the form of droplets
- B01F33/3021—Micromixers the materials to be mixed flowing in the form of droplets the components to be mixed being combined in a single independent droplet, e.g. these droplets being divided by a non-miscible fluid or consisting of independent droplets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/713—Feed mechanisms comprising breaking packages or parts thereof, e.g. piercing or opening sealing elements between compartments or cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00628—Controlling the composition of the reactive mixture
- B01J2208/00646—Means for starting up the reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00716—Means for reactor start-up
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00781—Aspects relating to microreactors
- B01J2219/00925—Irradiation
- B01J2219/00932—Sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0875—Gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0877—Liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0881—Two or more materials
- B01J2219/0888—Liquid-liquid
Definitions
- the present invention relates to methods for activating chemical reactions, solutions activatable by such methods and devices for carrying out such methods.
- the activation of chemical reactions between reagents is usually done by contacting the reagents.
- the methods currently used for this contacting do not allow to precisely control, spatially and temporally, the start of the chemical reaction between the reagents.
- the present invention is intended to solve this technical problem.
- the invention provides a method for activating a chemical reaction in a solution forming a liquid mixture containing at least first and second reagents in separate phases initially separated by at least one vaporizable liquid gaseous precursor barrier, the process comprising an activation step in which ultrasound is emitted into the mixture, with a level of energy sufficient to vaporize the gaseous precursor, so as to bring said reagents into contact.
- a product which is used rapidly on the site of its formation which can be particularly interesting especially when this product is unstable or when it is difficult to make transit to the place of its use (for example, gaseous or non-soluble or non-encapsulable product), or where it is particularly dangerous and could be harmful to the environment in which it must pass before reaching the target zone of ' use .
- the invention may also be particularly useful for studying the kinetics of chemical reactions, especially since the start time of the reaction is perfectly controlled.
- the ultrasound is emitted in a localized manner in a medium comprising the mixture, so as to activate the reaction between the reagents only in a given target zone;
- said reagents are initially contained in an emulsion comprising, in an external solution, drops comprising at least the first reagent and said gaseous precursor, encapsulated by at least one emulsifier;
- the reagents are initially contained in a micro-conduit and separated by at least one drop of gaseous precursor, and said at least one drop of gaseous precursor is vaporized during the activation step.
- the subject of the invention is also an ultrasonically activatable solution, forming a liquid mixture containing at least first and second reagents in distinct phases separated by at least one Ultrasonic vapor vaporizable gaseous precursor barrier, said first and second reagents being adapted to react with each other.
- the first and second reagents are contained in a micro-conduit and separated by at least one drop of gaseous precursor;
- the first and second reagents are contained in an emulsion comprising, in an external solution, drops comprising at least the first reagent and said gaseous precursor, encapsulated by at least one emulsifier;
- said drops comprise a first external emulsifier membrane and contain first primary drops containing the first reagent and second primary drops containing the second reagent, said first and second primary drops being each delimited by a second emulsifier membrane and being in contact with each other. emulsion in the gaseous precursor;
- said drops are distributed between first and second groups of drops, the drops of the first group containing the first reagent and the drops of the second group containing the second reagent;
- said drops comprise a first external emulsifier membrane and contain emulsion primary drops in the gaseous precursor, said primary drops being delimited by a second emulsifier membrane and containing either the first reagent or the second reagent;
- the second reagent is contained in the external solution
- said drops comprise a first outer membrane of emulsifier and contain drops primary materials delimited by a second emulsifier membrane, said primary drops being emulsified in the gaseous precursor and the primary drops of at least some of said drops containing the first reagent;
- said gaseous precursor forms a barrier against the diffusion of the first and second reagents
- said drops have a diameter of less than 20 ⁇ and said primary drops have a diameter of less than 5 ⁇ ;
- the gaseous precursor is a fluorinated oil
- the gaseous precursor is a perfluorocarbon
- the gaseous precursor is perfluorohexane and / or perfluoropentane
- the outer membrane of the drops comprises a first emulsifier
- the membrane of the primary drops contains a fluorinated surfactant
- the fluorinated surfactant contains poly (perfluoropropylene glycol) carboxylate
- the fluorinated surfactant is obtained from poly (perfluoropropylene glycol) carboxylate, perfluorocarbon and ammonium hydroxide;
- the primary drops contain an internal liquid and the first reagent contained in the primary drops is in solution in the internal liquid.
- the invention also relates to a device for implementing a method as described above, comprising:
- At least one micro-conduit comprising an ultrasonically activatable solution, forming a liquid mixture containing at least first and second reagents in distinct phases separated by at least one ultrasonically vaporizable liquid gaseous precursor barrier, said first and second reagents being adapted to react with each other, said liquid gaseous precursor barrier comprising at least one drop of gaseous precursor gas,
- At least one acoustic transducer adapted to emit ultrasound towards the drop of gaseous precursor in order to vaporize it and thus make said first and second reactants react with one another.
- FIG. 1 is a schematic view of a solution containing microdroplets in emulsion, usable in a first embodiment of the invention
- FIG. 2 is a schematic view of a microdrop of the emulsion of FIG. 1,
- FIG. 3 is a block diagram showing an ultrasonic device for locally activating an emulsion containing microdroplets such as that of FIG. 1,
- FIG. 4 is a block diagram of the device of FIG. 3,
- FIGS. 5 and 6 illustrate the ultrasonic activation of the emulsion of FIG. 2,
- FIG. 7 is a schematic view of a microdrop of the emulsion of FIG. 1, according to a variant of the first embodiment of the invention.
- FIG. 8 is a schematic view of two microdroplets of the emulsion of FIG. 1, according to another variant of the first embodiment of the invention
- FIG. 9 shows an exemplary microfluidic device containing a multiphasic mixture that can be used in a second embodiment of the invention
- FIG. 10 is a view similar to FIG. 9, illustrating the ultrasonic activation of the multisphasic mixture in the device of FIG. 9.
- the present invention provides a method for activating a chemical reaction between at least first and second reagents A, B by ultrasound.
- reagents A, B are initially contained in a solution forming a multiphasic liquid mixture, wherein reagents A, B are separated by a liquid gas precursor, which can be ultrasonically vaporized to react reagents A, B between them.
- this emulsion comprises microdroplets 1 in emulsion in a solution 2, for example an aqueous solution.
- a solution 2 for example an aqueous solution.
- microdrops 1 may have for example a diameter D less than 20 ⁇ .
- the diameter D is preferably less than 10 ⁇ , for example less than 8 ⁇ and in particular of the order of 5 ⁇ .
- Microdroplets 1 comprise a substantially spherical outer wall 4, made by a first emulsifier, in particular a surfactant such as, for example, "Pluronic F68®".
- a surfactant such as, for example, "Pluronic F68®”.
- the emulsion is double, so that the microdrops 1 form a secondary emulsion, and the outer wall 4 (liquid as the wall of a bubble) of each microbubble encapsulates a liquid ultrasonic vapor vapor precursor 3 containing a primary emulsion of primary drops 5.
- the gaseous precursor may be a fluorinated oil, especially a perfluorocarbon, for example perfluorohexane or perfluoropentane.
- the primary drops 5 have a diameter less than 5 ⁇ m, preferably from 0.3 to 1 ⁇ m, for example of the order of 500 nm.
- These primary drops 5 each have a substantially spherical outer wall 7 (liquid like the wall of a bubble) which is formed by a second emulsifier, for example a fluorinated surfactant such as poly (perfluoropropylene glycol) carboxylate (marketed by the company Du Bridge under the brand name "Krytox 157 FSH ®". More specifically, the fluorinated surfactant can be prepared from poly (perfluoropropylene glycol) carboxylate, perfluorocarbon and ammonium hydroxide.
- this surfactant can be obtained by adding to 10 mg of perfluorohexane, 10 mg of Krytox 157 FSH® and 10 ml of ammonium hydroxide (see Holze et al., Biocompatible surfactants for water-in-fluorocarbon emulsions ", Lab Chip, 2008, 1632-1639, Royal Society of Chemistry 2008).
- the outer wall 7 encapsulates an internal liquid 6, for example water or more generally an aqueous solution, which contains an active agent.
- the primary drops are divided into two groups: a group of first primary drops in which the active agent is a first reagent A and a group of second primary drops in which the active agent is the second reagent B.
- the first and reagents A, B are adapted to react with each other so as to form a reaction product C, which may be an active agent, for example a drug or a marker which it is desired to deliver in a specific place in a patient's body
- the active agent C may for example be a short-lived potent cytotoxic agent.
- reagents A and B may be for example: A: 3-azido-7-hydroxy-2H-chromen-2-one and B: 3-hydroxy-2 ', 3', 2 ", 3" -tetramethoxy -7,8-Didehydro-1,2,5,6-dibenzocyclota-1,5,6-triene which react together to give a fluorescent product.
- Reagents A and / or B may be hydrophilic. Alternatively, they may optionally be hydrophobic, in which case they may be for example:
- a non-aqueous internal liquid 6 for example a fluorinated oil
- the active agent either by emulsion in an aqueous internal liquid 6, the active agent then being encapsulated (with a fluorinated oil for example) in drops of size less than 1 ⁇ (for example from 0.3 to 0.4 ⁇ m) in emulsion in the internal liquid.
- the first and second primary drops are intimately mixed.
- the stability of the double emulsion according to the invention is particularly great since the gaseous precursor forms a barrier for the diffusion of reagents A and B and prevents them from reacting with each other prematurely, which makes it possible to lengthen the product life between manufacture and use, and to avoid unintentional release of reagents A, B and / or formation and diffusion of reaction product C outside the target area.
- the double emulsion described above can be obtained for example as described in WO2011 / 007082A1.
- this emulsion may for example be diffused in a medium 29 (solid or not - for example a part of the body of a patient or any other medium) and some of the microdroplets located at level of a target zone 30 of the medium 29, can then be activated by bursting them under the effect of ultrasound.
- a medium 29 solid or not - for example a part of the body of a patient or any other medium
- it may be focused ultrasound which is emitted for example by an ultrasonic device 21 such as that shown in Figure 3. It is nevertheless only an example embodiment, and invention is not limited to this example.
- This ultrasound device 21 may especially be an imaging system comprising:
- a network 22 of ultrasonic transducers for example a linear array of the type commonly used in ultrasound, comprising a number n of ultrasonic transducers 22a (for example of the order of 100 to 300 transducers, emitting for example about 2, 5 MHz), the array 22 of transducers being adapted to be brought into contact with a medium 29,
- an electronic rack 23 controlling the network 22 of transmitting transducers and able to acquire signals picked up by this network
- a microcomputer 24 for controlling the electronic rack 23 comprising a user interface that includes a screen 25 on which ultrasound images taken by means of the transducer array 22 can be viewed, and said user interface also comprising for example a keyboard 26 associated with a mouse or the like (not shown) and if necessary a pointing device 27 such as a pen optical or similar, which allows for example an operator 28 to delimit an area on the screen 25, as will be explained later.
- the electronic rack 23 and the microcomputer 24 together form a control device adapted to control the network 22 of transducers and to acquire and process signals coming from this network.
- a control device adapted to control the network 22 of transducers and to acquire and process signals coming from this network.
- the electronic rack 23 may comprise, for example:
- n analog / digital converters 31 (A / D - A / D n ) individually connected (for example by a cable) to the n transducers ( ⁇ - ⁇ ⁇ ) of the transducer network 22;
- n buffers 32 (Bi-B n ) respectively connected to the analog / digital converters 31,
- an electronic central unit 33 communicating with the buffer memories 32 and the microcomputer 24,
- MEM central memory 34
- DSP signal processing processor 35
- the device 21 may be initially used conventionally in ultrasound imaging mode, to display an image of the target 30 on the screen 25.
- the operator 28 may for example delimit the target zone 30 by drawing its contour on the screen 25 by, for example, the aforementioned optical pen 27 or any other user interface serving as a pointing device.
- the target zone 30 When the target zone 30 has been delimited by the operator, it triggers the step of activating the emulsion by successively emitting ultrasonic activation beams, focused at different points. of said target zone 30, so that the entire target zone 30 receives ultrasounds for bursting the microdrops 1 that it contains by vaporizing the gaseous precursor 3 of these microdroplets, as symbolized at 9 in FIG. 5, and leaving subsist for a few nanoseconds or microseconds a cluster 8 of primary drops 5.
- the perfluorocarbon vaporization takes place in a very short time, of the order of a period of ultrasound, or of the order of one microsecond.
- This microsecond reaction time is particularly fast in the context of chemistry (for example, classical methods of rapid reaction triggering such as "stop flow” or microfluidic chips operate in time domains beyond of the millisecond).
- Each ultrasonic activation beam has a duration and a power dimensioned to activate the emulsion as described above, without damaging the medium 29.
- each ultrasonic activation beam has a duration of 1 to 1000 ⁇ , in particular 10 to 1000 ⁇ (microseconds) and said ultrasonic activation beam has a power such that it exerts in the tissues a pressure of less than 8 MPa, in particular less than 6 MPa (mega Pascals), which corresponds to conventional imaging powers.
- the invention thus makes it possible to bring to the target zone active agents C that previously could not be conveyed, for example unstable or insoluble or gaseous agents or particularly dangerous or non-emulsifiable by emulsion, by transporting reagents A and B in the emulsion (A and B being stable and preferably soluble or at least emulsifiable by emulsion) and then forming these active agents C locally in the target area of use by ultrasonic activation of the emulsion.
- active agents C that previously could not be conveyed, for example unstable or insoluble or gaseous agents or particularly dangerous or non-emulsifiable by emulsion
- the focusing of ultrasound by the control of the phase of the transducers allows to locate the effect of ultrasound in an area whose size can be of the order of the wavelength (for example, of the order 300 microns at 5 MHz in water), which makes it possible to control the formation zone of the active agent C at the millimeter level and avoids affecting areas where it is not necessary to administer the active agent C.
- the invention is not limited to water - perfluorocarbon - water double emulsions, but also applies to double oil - perfluorocarbon - water or oil - perfluorocarbon - oil emulsions.
- the perfluorocarbon may also be replaced by another ultrasonically activatable gaseous precursor.
- the emulsion according to the invention also makes it possible to react together more than two reagents, but more generally makes it possible to trigger ultrasonically at least one chemical reaction between n reagents A, B, D, ... which are initially separated. from each other by at least one emulsifier membrane, said reaction or reactions being initiated by destroying said at least one emulsifier membrane under the effect of ultrasound.
- these reagents can initially be encapsulated separately in the primary drops 5.
- reaction A + B + D - > C one can either immediately trigger a reaction A + B + D - > C, or, when the reagents A, B, D are encapsulated in primary drops of different respective diameters, it is possible to drop sequentially the various compounds A, B, D, ... of the reaction, by example by sequentially applying different ultrasonic pressures. It is thus possible to carry out more complex reactions of the type A + B -> X, X + D-> C, or others.
- reagents A, B, D,... are not necessarily all contained in the same microdrops 1 of the emulsion:
- one of the reagents may be in solution 1 (reagent B in the example of FIG. 7 which is an example with two reagents);
- the reagents can be in different microdrops 1.
- microdroplets 1 of the embodiments of FIGS. 7 and 8 may have a double emulsion structure as previously described, as shown in the drawings, but they could possibly be simple emulsions (reagent A being directly in solution in the precursor gaseous in the case of Figure 7, and reagents A, B being directly in solution in the gaseous precursor of their respective microdrops in the case of Figure 8).
- the invention can be implemented with any other type of ultrasonic device other than ultrasound imaging, for example a mono ⁇ transducer element or one or more transducer (s) surface.
- the invention can be implemented in a microfluidic device 40 comprising at least one micro-conduit 41, having a diameter or equivalent diameter D that can be, for example, of the order of 5 to 20 microns and containing the first and second reagents A, B mentioned above in the form of two distinct liquid phases separated by at least one drop of said liquid precursor gas 3.
- the device 40 may further comprise at least one acoustic transducer 42 adapted to emit ultrasound to the gaseous precursor drop 3 to vaporize it.
- reaction product C When the drop of gaseous precursor is vaporized by ultrasound emission from transducer 42 (FIG. 10), reagents A and B react very rapidly as explained above for the first embodiment of the invention, to form the reaction product C.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Organic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1350131A FR3000688B1 (fr) | 2013-01-08 | 2013-01-08 | Procede pour activer une reaction chimique, melange activable par ce procede et dispostiif pour la mise en oeuvre de ce procede |
PCT/FR2014/050004 WO2014108627A1 (fr) | 2013-01-08 | 2014-01-03 | Procédé pour activer une réaction chimique, solution activable par ce procédé et dispositif pour la mise en oeuvre de ce procédé |
Publications (1)
Publication Number | Publication Date |
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EP2943274A1 true EP2943274A1 (fr) | 2015-11-18 |
Family
ID=48083314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14701806.3A Withdrawn EP2943274A1 (fr) | 2013-01-08 | 2014-01-03 | Procédé pour activer une réaction chimique, solution activable par ce procédé et dispositif pour la mise en oeuvre de ce procédé |
Country Status (5)
Country | Link |
---|---|
US (1) | US9545375B2 (fr) |
EP (1) | EP2943274A1 (fr) |
JP (1) | JP6469584B2 (fr) |
FR (1) | FR3000688B1 (fr) |
WO (1) | WO2014108627A1 (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2007089541A2 (fr) * | 2006-01-27 | 2007-08-09 | President And Fellows Of Harvard College | Coalescence de gouttelettes fluidiques |
US20110053798A1 (en) * | 2009-09-02 | 2011-03-03 | Quantalife, Inc. | System for mixing fluids by coalescence of multiple emulsions |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11347392A (ja) * | 1998-06-11 | 1999-12-21 | Hitachi Ltd | 攪拌装置 |
WO2003062198A1 (fr) * | 2002-01-24 | 2003-07-31 | Barnes Jewish Hospital | Agents d'imagerie ciblant des integrines |
JP2009502772A (ja) * | 2005-07-22 | 2009-01-29 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 生体内の薬物の送達用の方法及びシステム |
JP2007197403A (ja) * | 2006-01-30 | 2007-08-09 | Hitachi Ltd | 薬物キャリアー及び超音波装置 |
GB2453534A (en) * | 2007-10-08 | 2009-04-15 | Shaw Stewart P D | Method for adding solutions to droplets in a microfluidic environment using electric potentials or ultrasound |
FR2935604B1 (fr) | 2008-09-08 | 2012-01-06 | Centre Nat Rech Scient | Procede et dispositif de marquage d'un milieu, et marqueur utilisable dans un tel procede |
US10258563B2 (en) * | 2009-04-20 | 2019-04-16 | Drexel University | Encapsulation of microbubbles within the aqueous core of microcapsules |
FR2948024B1 (fr) * | 2009-07-17 | 2020-01-10 | Centre National De La Recherche Scientifique - Cnrs - | Emulsion activable par ultrasons et son procede de fabrication. |
EP2493458A2 (fr) * | 2009-10-30 | 2012-09-05 | The Ohio State University | Particules biodégradables multifonctionnelles permettant un ciblage sélectionnable, une imagerie, et une administration thérapeutique, et leur utilisation pour le traitement de troubles oculaires |
GB201119032D0 (en) * | 2011-11-03 | 2011-12-14 | Isis Innovation | Multisomes: encapsulated droplet networks |
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2013
- 2013-01-08 FR FR1350131A patent/FR3000688B1/fr not_active Expired - Fee Related
-
2014
- 2014-01-03 WO PCT/FR2014/050004 patent/WO2014108627A1/fr active Application Filing
- 2014-01-03 JP JP2015551217A patent/JP6469584B2/ja not_active Expired - Fee Related
- 2014-01-03 EP EP14701806.3A patent/EP2943274A1/fr not_active Withdrawn
- 2014-01-03 US US14/759,584 patent/US9545375B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007089541A2 (fr) * | 2006-01-27 | 2007-08-09 | President And Fellows Of Harvard College | Coalescence de gouttelettes fluidiques |
US20110053798A1 (en) * | 2009-09-02 | 2011-03-03 | Quantalife, Inc. | System for mixing fluids by coalescence of multiple emulsions |
Non-Patent Citations (1)
Title |
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See also references of WO2014108627A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9545375B2 (en) | 2017-01-17 |
WO2014108627A1 (fr) | 2014-07-17 |
US20150343412A1 (en) | 2015-12-03 |
JP6469584B2 (ja) | 2019-02-13 |
JP2016506300A (ja) | 2016-03-03 |
FR3000688B1 (fr) | 2016-09-30 |
FR3000688A1 (fr) | 2014-07-11 |
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