Abstract:
The invention relates to a method for scanning a region of interest, such as a portion of a neural process, via a laser scanning microscope having focusing means for focusing a laser beam and having electro-mechano-optic deflecting means for deflecting the laser beam, the method comprising: providing a primary scanning trajectory (92a) for the at least one region of interest; providing a plurality of spaced apart (89) auxiliary scanning trajectories (92b) running along the primary scanning trajectory within the region of interest; providing a scanning sequence for scanning the scanning trajectories (192); providing cross-over (94) trajectories between the scanning trajectories of two consecutive scanning trajectories in the scanning sequence. The invention further relates to a measuring system for implementing the method according to the invention.
Abstract:
Compound of the general formula (I), in which which R1 and R2 represent independently a hydrogen atom, straight-chain or branched, unsubstituted or C1-C10 alkyl or C1-C10 alkoxy group substituted by one or more halogen atoms, substituted or unsubstituted aryl or aralkyl group, with the proviso that at least one of R1 and R2 is not hydrogen, one of R3 and R4 is a hydrogen atom, and the other represents a group of the general formula (II) wherein R5 and R6 represent independently a hydrogen atom, C1-C4 alkyl, C1-C4 alkoxy group, or R5 and R6 together form a -O-CH2-O- group, R7 represents a hydrogen atom, C1-C4 or C1-C4 alkoxy group, and tautomeric forms and salts thereof.
Abstract:
The present invention relates to a virtual reality simulator (10) for small laboratory animals (100), in particular rodents, which comprises a head clamping mechanism (20) for securing the laboratory animal (100) and virtual reality glasses (40) with two wings (30), each of the wings (30) having a display (34) and a lens system (36) spaced therefrom and connected together by a light barrier cover (32), and the virtual reality glasses (40) are configured to allow the two wings (30) to align with each of the eyes (101 ) of the laboratory animal (100), respectively. The invention further relates to a method applying such a simulator (10).
Abstract:
The invention relates to an acousto-optic deflector comprising a bulk of acousto-optic medium and acoustic wave generator coupled to the bulk, characterised by that the acoustic wave generator comprises at least two different electro-acoustic transducers for generating acoustic waves in the bulk.
Abstract:
The present invention relates to a laser scanning microscope (10) for scanning a sample, the microscope having focusing means (15) having a focal plane (29) and comprising at least one optical element for focusing a laser beam (13), drive means (18) for displacing the at least one optical element of the focusing means (15), at least one detector means (24') for detecting light (13') reflected from the sample or back fluoresced light (13') emitted by the sample, characterised by the detector means (24') being connected to the drive means (18) such that the drive means (18) may simultaneously displace the detector means (24') with the at least one optical element of the focusing means (15). The present invention further relates to a method of performing 3D scanning with the inventive laser scanning microscope.
Abstract:
The invention relates to a method for carrying out measurements on at least one region of interest within a sample via a laser scanning microscope having focusing means for focusing a laser beam and having electro-mechano- optic deflector for deflecting the laser beam, the method comprising: providing a scanning trajectory for the at least one region of interest; providing a sequence of measurements and the corresponding scanning trajectories; providing cross-over trajectories between the scanning trajectories of two consecutive measurements; deflecting the laser beam via the electro-mechano-optic means for moving a focus spot of the focused laser beam along a scanning trajectory at an average scanning speed; and deflecting the laser beam via the electro-mechano-optic means for moving the focus spot of the laser beam along a cross-over trajectory at a cross-over speed having a maximum, the maximum of the cross-over speed being higher than the average scanning speed. The invention further relates to a measuring system for implementing the method according to the invention
Abstract:
The invention relates to a method for scanning along a substantially straight line (3D line) lying at an arbitrary direction in a 3D space with a given speed using a 3D laser scanning microscope having a first pair of acousto-optic deflectors deflecting a laser beam in the x-z plane (x axis deflectors) and a second pair of acousto-optic deflectors deflecting the laser beam in the y-z plane (y axis deflectors) for focusing the laser beam in 3D. The invention further relates to a method for scanning a region of interest with a 3D laser scanning microscope having acousto-optic deflectors for focusing a laser beam within a 3D space defined by an optical axis (Z) of the microscope and X, Y axes that are perpendicular to the optical axis and to each other.
Abstract:
The subject of the invention relates to a combined imaging system (10') that includes a laser scanning microscope (50, 50'), and a measuring device with a lower resolution than the resolution of the laser scanning microscope (50, 50') and that measures over a larger spatial scale than the spatial scale of the laser scanning microscope (50, 50'). The subject of the invention also relates to an MRI compatible laser scanning microscope which comprises: deflecting means (24') for deflecting a laser beam (13), objective (28'), adjustable objective arm (38), distance adapter (39) and at least one detector (30'). The essence of the MRI compatible laser scanning microscope is that at least the objective (28'), the adjustable objective arm (38), the distance adapter (39) and the at least one detector (30') are made from non-magnetisable materials and the deflecting means (24') is magnetically shielded.
Abstract:
The subject of the invention relates to a combined imaging system (10') that includes a laser scanning microscope (50, 50'), and a measuring device with a lower resolution than the resolution of the laser scanning microscope (50, 50') and that measures over a larger spatial scale than the spatial scale of the laser scanning microscope (50, 50'). The subject of the invention also relates to an MRI compatible laser scanning microscope which comprises: deflecting means (24') for deflecting a laser beam (13), objective (28'), adjustable objective arm (38), distance adapter (39) and at least one detector (30'). The essence of the MRI compatible laser scanning microscope is that at least the objective (28'), the adjustable objective arm (38), the distance adapter (39) and the at least one detector (30') are made from non-magnetisable materials and the deflecting means (24') is magnetically shielded.