Abstract: An optical imaging device for a microscope includes an objective and an optical system configured to interact with the objective for optically imaging an object selectively in a first operating mode and a second operating mode. The optical system includes a first optical subsystem associated with the first operating mode, and a second optical subsystem associated with the second operating mode. The first optical subsystem is configured to form a first image of the object with a first magnification. The second optical subsystem is configured to form a second image of the object with a second magnification that is less than the first magnification. The second optical subsystem includes an optical module insertable into the optical path for selecting the second operating mode. The optical module includes a lens element with a positive refractive power.

Abstract: A wound dressing defines a first direction that is a stacking direction of the wound dressing and a second direction perpendicular to the first direction, including a covering layer, a sheath on the wound facing side of the covering layer, and an absorbent core within the sheath, and an adherent layer on the wound facing side of the sheath. The sheath includes an adhesive sheath layer, a proximal sheath layer on the proximal sides of the absorbent core and the adhesive sheath layer, and a distal sheath layer on the distal sides of the absorbent core and the adhesive sheath layer. The adherent layer comprises an opening. The adherent layer has a wound facing proximal side adapted to adhere to a body part, and a distal side adhering to an outer rim of the covering layer. The adhesive sheath layer is between the absorbent core and the distal sheath layer.

Abstract: The present invention relates to a method of increasing the yield of at least one of oxidosqualene, triterpenes and/or triterpenoids in a specifically engineered host cell and a respective host cell as well as to the use of said host cell for manufacturing the at least one of oxidosqualene, triterpenes and/or triterpenoids.

Abstract: The present invention relates to a wound dressing comprising or consisting of (a) a covering layer; (b) a sheath on the wound facing side of the covering layer, (c) an absorbent core within the sheath, and (d) an adherent layer on the wound facing side of the sheath; wherein the sheath comprises (b1) an adhesive sheath layer, (b2) a proximal sheath layer on the proximal sides of the absorbent core and the adhesive sheath layer and (b3) a distal sheath layer on the distal sides of the absorbent core and the adhesive sheath layer; wherein the adherent layer comprises an opening, and wherein the adherent layer has (i) a wound facing proximal side adapted to adhere to a body part, and (ii) a distal side adhering to an outer rim of the covering layer.

Abstract: A module collection and deposition system comprises a container, a module source wafer comprising modules released from the module source wafer, a module collection device operable to remove the modules from the module source wafer and dispose the modules as a disordered and dry collection into the container, and a module deposition device for removing the modules from the container and randomly disposing the modules on a receiving surface. Each module comprises an electronically active unpackaged component.

Abstract: A building wall module system has a frame structure that includes a wall side region, a wall shell region, a through-passage region between the wall side region and the wall shell region, and a guide track system that extends above the through-passage region. In an application in which a sliding door is inserted into the frame structure, the guide track system displaces the sliding door between a closed position, in which the sliding door closes the through-passage region, and an open position, in which the sliding door completely or partially frees the through-passage region. If a use with the sliding door is not required, a casing insert can be inserted into the through-passage region. The casing insert has connecting elements which, in the inserted state, connect it to the frame structure and which release it during removal from the frame structure.

Abstract: A microscope includes: an optical system including an immersion objective for an immersion medium of a predetermined refractive index; an aperture stop; and a processor for setting an immersion-free imaging mode in which the optical system is operated without immersion medium. The processor controls the aperture stop in the immersion-free imaging mode to set a numerical aperture of the immersion objective to a reduced value which is lower than a nominal value of the numerical aperture, the numerical aperture being equal to the nominal value when the optical system is operated using the immersion medium without reducing the numerical aperture by the aperture stop. The processor controls the optical system in accordance with the reduced value of the numerical aperture in the immersion-free imaging mode to generate at least one image representing the overview image of the sample.

Abstract: An optical system for a microscope for imaging an object includes: a telescope system having an optical correction unit, which is adjustable in order to correct a spherical imaging aberration, and having a zoom optical unit, which is adjustable in order to adapt a magnification of the telescope system to a ratio of two refractive indices, one of which is assigned to an object side and an other of which is assigned to an image side, within a predetermined magnification range. The telescope system is telecentric over an entire magnification range both with respect to the object side and with respect to the image side by the zoom optical unit contained in the telescope system.

Abstract: An optical assembly includes a lens unit capable of being moved along an optical axis of the optical assembly. The lens unit includes a lens mount for holding at least one lens. The optical assembly further includes a sleeve for receiving the lens mount. The lens mount is in sliding contact with and movable in relation to the sleeve as the lens unit is moved along the optical axis. The lens mount is formed of or comprises at its outer surface a self-lubricating material, and/or the sleeve is formed of or comprises at its inner surface a self-lubricating material.

Abstract: A microscope for fluorescence light imaging includes an illumination device configured to direct excitation light along an excitation beam path into a sample, and a detection device configured to detect fluorescence light emanating from the sample along a detection beam path which is located in a same hemisphere relative to the sample as the excitation beam path, wherein the illumination device includes a light guiding system configured to guide the excitation light such that, in phase space defined by position and angle of a light beam, a support of the excitation beam path is disjunct from a support of the detection beam path, and wherein the detection device includes at least one emission filter configured to allow the fluorescence light propagating along the detection beam path to be detected for fluorescence light imaging while discarding light that is spectrally different from the fluorescence light.

Abstract: An optical system for a microscope for imaging an object includes: a telescope system having an optical correction unit, which is adjustable in order to correct a spherical imaging aberration, and having a zoom optical unit, which is adjustable in order to adapt a magnification of the telescope system to a ratio of two refractive indices, one of which is assigned to an object side and an other of which is assigned to an image side, within a predetermined magnification range. The telescope system is telecentric over an entire magnification range both with respect to the object side and with respect to the image side by the zoom optical unit contained in the telescope system.

Abstract: The invention relates to a process for obtaining natural rubber from plant material containing at least the step of milling the plant material with at least one ball mill comprising milling media. The invention further relates to the natural rubber obtained by this process and to the use of at least one ball mill comprising milling media for milling plant material when obtaining natural rubber from plant material. In the process, the ball mill has a nonmetallic lining and/or the milling media have at least a nonmetallic surface.

Abstract: A method for producing a preform for producing a multi-core fiber. The method includes removing a first part-tube segment having a first part-tube segment cross-sectional area from a center of a receiving tube having a receiving tube internal diameter so that the receiving tube has a first core rod receiving cut-out, axially introducing a central filling rod having a filling rod external diameter into the receiving tube so that the receiving tube contains the central filling rod, inserting a first core rod having a first core rod cross-sectional area into the core rod receiving cut-out so that the receiving tube contains the core rod, axially introducing the receiving tube containing the first core rod and the central filling rod into a jacketing tube so as to obtain a jacketing tube containing the receiving tube, and fusing the jacketing tube containing the receiving tube to form the preform.

Abstract: A radar arrangement includes a printed circuit board (PCB), an electronic component, and an antenna. The electronic component is arranged on the PCB and is used to generate a high-frequency signal. The PCB has at least four electrically conductive layers separated from one another by at least three electrically insulating layers. A first conductive inner layer is adjacent to a first conductive outer layer, and a second conductive inner layer is adjacent to a second conductive outer layer. The electronic component is arranged on the first conductive outer layer. The antenna is formed at least partially in the second outer layer. The signal generated by the electronic component is transmitted to the antenna, which is formed at least partially in the second conductive outer layer of the PCB, through a region of the conductive inner layers and insulating inner layers of the PCB.

Abstract: The present invention relates to a process for obtaining aging-resistant natural rubber, to a rubber composition comprising the thus-obtained natural rubber and to the use of this composition for producing consumer goods.

Abstract: The present invention relates to a wound dressing comprising or consisting of (a) a covering layer; (b) a sheath on the wound facing side of the covering layer, (c) an absorbent core within the sheath, and (d) an adherent layer on the wound facing side of the sheath; wherein the sheath comprises (b1) an adhesive sheath layer, (b2) a proximal sheath layer on the proximal sides of the absorbent core and the adhesive sheath layer and (b3) a distal sheath layer on the distal sides of the absorbent core and the adhesive sheath layer; wherein the adherent layer comprises an opening, and wherein the adherent layer has (i) a wound facing proximal side adapted to adhere to a body part, and (ii) a distal side adhering to an outer rim of the covering layer.

Abstract: A probe for measuring plasma parameters by means of active plasma resonance spectroscopy comprises an external coupling, a balun, an internal coupling, and a probe head. It is provided that the couplings, the balun, and the probe head are integrated in an electrically-insulating substrate cylinder, and the substrate cylinder has a layered structure made from multiple substrate layers along its rotational axis. In this way, a probe for measuring plasma parameters is provided which enables an improved measurement of the plasma parameters, wherein the plasma is influenced as little as possible during the measurement of the plasma parameters.

Abstract: A multilayer body (1) as well as a method for producing a multilayer body (1). The multilayer body (1) includes at least one carrier layer (10), at least one color layer (12), at least one metal layer (13) and at least one magnetic varnish layer (14) has, wherein the carrier layer (10), in particular the multilayer body (1), has an upper side (31) and an underside (32), and wherein the layers of the multilayer body (1) are arranged in such a way, in particular in the following order, that a) the at least one color layer (12), the at least one metal layer (13), and the at least one magnetic varnish layer (14) are applied to the underside (32) of the carrier layer (10); or b) the at least one metal layer (13) and the at least one color layer (12) are applied to the upper side (31) of the carrier layer (10) and the at least one magnetic varnish layer (14) are applied to the underside (32) of the carrier layer (10).

Abstract: The invention relates to a flow measuring device comprising a meter body having a conduit for the fluid, two phased-array ultrasonic transducer units spaced apart in the longitudinal direction of the conduit, which can emit and receive ultrasonic signals at different angles, a control and evaluation unit for driving the ultrasonic transducer units and evaluating the received ultrasonic signals and determining the flow using the transit time of the ultrasonic signals on the measuring paths.

Abstract: The invention relates to a method for vitrifying a biological sample. The method includes positioning a sample holder with the biological sample by a transfer device in a starting position. The sample holder has a base and a pin projecting from the base along a holder axis. Further, the biological sample is attached to the pin distant from the base. The method further comprises adding a liquid to the biological sample in the starting position by a liquid dispenser. Further, the method comprises moving the sample holder with the biological sample by the transfer device along a predetermined transfer path from the starting position to a release position, wherein the biological sample in the release position is arranged in or adjacent to a liquefied gas. It is provided that the transfer path is inclined with respect to the holder axis or runs along a circular arc. Furthermore, the invention relates to a vitrification apparatus which is configured to perform the method.