Abstract: The present invention relates to a composition containing, besides a thermosetting resin of epoxy type and a hardener of anhydride type, at least one catalyst comprising an organometallic titanium complex. This composition enables the manufacture of vitrimer resins, that is to say resins that can be deformed in the thermoset state. It also relates to a kit for manufacturing this composition, an object obtained from this composition and a kit for manufacturing this object. Another subject of the invention relates to an organometallic titanium complex corresponding to the structure titanium bis(3-phenoxy-1,2-propane dioxide) (Ti(PPD)2), and the use thereof as vitrimer effect catalyst in systems based on epoxy resin and on hardener of anhydride type.

Abstract: A composition results from the mixture of at least one copolymer A resulting from the copolymerisation of at least one monomer functionalised by diol functions and at least one compound A2 comprising at last two boronic ester functions. They have rheological properties which are very varied according to the proportion of the A1 and A2 compounds used. The field is that of associative and exchangeable polymers.

Abstract: The present invention relates to a novel method for cultivating micro-organisms by confinement in micro-bioreactors. Said method comprises using a capillary tube in which a carrier fluid for moving a train of droplets forward flows, said capillary tube comprising micro-bioreactors in which the culture of said micro-organisms takes place, wherein said micro-bioreactors are separated by a spacing fluid which is a gas. The diameter of the micro-bioreactors (5) is smaller than that of the capillary tube (8) and the size of the bubble (6) of said spacing fluid is within a range of two to ten times the diameter of said capillary tube (8). The method can be used for cultivating micro-organisms such as thread-like fungi or planktonic algae.

Abstract: The present invention relates to novel supramolecular materials made of straight or branched oligoamides, terminated at each of the ends thereof by an associative group including a nitrogen heterocycle supported by a specific sequence. The invention also relates to the method for preparing said materials, as well as to the uses thereof.

Abstract: Systems, methods, and devices are provided for manipulating objects in a liquid using a pulsed acoustic field that is modulated in amplitude. The amplitude modulated pulsed acoustic field may form the objects into a layer or layers. The objects may be colloidal objects having an average size of about 50 nm to about 5 ?m, or a mixture of colloidal and non-colloidal objects.

Abstract: A method of forming an aggregate of objects in a channel including a liquid, said method including: a) providing objects in at least a region of the channel, and b) forming an aggregate of said objects by submitting them to a modulated pulsed acoustic field, wherein the modulated pulsed acoustic field applied at step b) is modulated in amplitude.