摘要:
A method for introducing a liquid sample into an NMR spectrometer to measure an NMR spectrum of the liquid sample, wherein the liquid sample is injected into a supply line and wherein further liquids are supplied into the supply line following the liquid sample, which are separated from each other and from the liquid sample by gas bubbles is characterized in that the liquid sample is supplied via an injection inlet to a valve configuration whose output side can be connected to the supply line and the further liquids and gas are supplied to the valve configuration via supply lines, wherein a desired sequence of sample segments, gas bubbles and further liquid segments is generated through temporally matched switching of the valve configuration in the supply line and is supplied to the NMR spectrometer. The inventive method realizes supply of a liquid sample into an NMR spectrometer with rapid sample transfer while thereby preventing mixing and dilution of the individual segments.
摘要:
A method for introducing a liquid sample into an NMR spectrometer to measure an NMR spectrum of the liquid sample, wherein the liquid sample is injected into a supply line and wherein further liquids are supplied into the supply line following the liquid sample, which are separated from each other and from the liquid sample by gas bubbles is characterized in that the liquid sample is supplied via an injection inlet to a valve configuration whose output side can be connected to the supply line and the further liquids and gas are supplied to the valve configuration via supply lines, wherein a desired sequence of sample segments, gas bubbles and further liquid segments is generated through temporally matched switching of the valve configuration in the supply line and is supplied to the NMR spectrometer. The inventive method realizes supply of a liquid sample into an NMR spectrometer with rapid sample transfer while thereby preventing mixing and dilution of the individual segments.
摘要:
The present invention relates to anti-FLT3 antibodies with a modified Fc region comprising the amino acid substitutions 239D and 332E to enhance antibody-dependent cell cytotoxicity (ADCC) of these antibodies. The invention further relates to pharmaceutical compositions containing these antibodies, nucleic acids encoding these antibodies as well as methods of using such antibodies.
摘要:
The invention concerns an NMR apparatus (1) comprising an NMR spectrometer (2) for sequential investigation of several samples in sample containers (6) of substantially identical geometrical design, at a measuring position (10) in the NMR spectrometer (2) comprising a supply line (8) for pneumatic supply of the sample containers (6) from a magazine (3) to the measuring position (10). The apparatus is characterized in that the magazine (3) is disposed within a temperature-controlled cabinet, in particular, a cold chamber (4) and the supply line (8) can be heated. This substantially increases the throughput of samples of the NMR apparatus (1) with simple technical means.
摘要:
A multiport switching valve for a liquid flow system is described, comprising a first member having a plurality of ports for connecting liquid lines thereto, a second member, connected with a first member and movable relative to the first member, the second member comprising a plurality of channels, wherein the channels are arranged such that, according to a selected relative position between the first and second member, one or more of said channel connect predetermined ones of the ports of the first member with one another in a liquid conducting manner. The first member comprises at least one group of ports arranged in one substantially straight line or at least two adjacent substantially parallel and substantially straight lines, and the second member comprises a plurality of segments, wherein the segments have one or more channels arranged therein, the channel or channels of each segment representing a predetermined connection scheme for connecting predetermined ones of the ports with one another.
摘要:
In a method for influencing and measuring pulsed electromagnetic illumination, e.g. parallel laser light (L), said illumination or light can be spatially divided, in particular, in an autocorrelator comprising a beam receptor (12), can be recombined behind said beam receptor by a superposition or focusing device (18 or 58) and can be detected in the recombinant area by a detector (20). As the transmission system (52), the beam receptor comprises beam profile dividers in a penetrable housing (50), in the form of at least two transmission parts (54; 56), with or in which separate, preferably parallel component beams (S, T) can be modified in their time-based beam characteristics, before being recombined. The inventive beam receptor (12) preferably has at least a two-part mirror (22), plate (32), chamber or crystal system (42) comprising a beam profile divider (14, 24, 34, 44) which creates or leaves unchanged a base component beam (S), whilst the time-based characteristics of this or every other component beam (T) in a neighbouring beam profile divider (16, 26, 36, 46) can be controlled in a different manner, in order to effect, in particular, reflection or transmission delays and/or changes to the optical paths.
摘要:
A method and apparatus for adjusting an aiming telescope and a laser range finder with a weapon system which is equipped with a weapon computer, a data memory and a computer-controlled graticule adjusting device. Laser beams are fired consecutively by a collimation line testing device and by the laser range finder, into a collimator. A reference reticle or an aiming graticule of the aiming telescope are aligned with the laser beam images in the collimator, and the aligned position is stored in the data memory.
摘要:
The invention relates to a device (1, 21, 31, 41, 64) for the preparation and measurement of a nuclear spin resonance (NMR) measurement sample (10), including—a flow-through NMR probehead (2), with a first tube (3) and a second tube (14) each for the supply and removal of a liquid NMR measurement sample (10),—at least one chamber (4, 22, 32) which is connected to one of the tubes (3, 14),—a sample inlet (5) for introducing the liquid measurement sample (10) into the device (1, 21, 31, 41, 64), wherein at least one chamber (4, 22, 32) has at least one connection for increasing (9, 24, 25, 42, 43, 46, 47) and releasing (8, 23, 27, 48a, 48b) the gas pressure, and in which at least one chamber (4, 22, 32) comprises means for mixing the liquid measurement sample (10) contained in the chamber (4, 22, 32) with a gas With the inventive device it is possible to reduce the measurement sample consumption when doing an NMR spectroscopic measurement on liquid measurement samples to which spin order can be catalytically transferred.
摘要:
A method for measuring an sample in an NMR spectrometer uses a coupling configuration (1; 30) comprising a coupling element (3) and a supply capillary (2), wherein the coupling element (3) has a funnel-shaped section (5) which clamps an end (6) of the supply capillary (2). An envelope capillary (10) is provided into which the supply capillary (2) is inserted, wherein the end (6) of the supply capillary (2) projects past an end (11) of the envelope capillary (10), and the end (11) of the envelope capillary (10) is also clamped in the funnel-shaped section (5).
摘要:
A method for spectrometric investigation of a plurality of samples dissolved in a solvent comprises: (a) guiding a first solvent with a sample through an SPE cartridge for concentrating the sample in the cartridge; (b) positioning the cartridge in a carrier for a plurality of cartridges; (c) repeating steps (a) and (b) for a desired number of samples; (d) drying the concentrated samples through removal of the residual first solvent, in particular, dehydration or evaporation; (e) dissolving each sample in a second solvent, transferring these dissolved samples from the cartridges to a spectrometer and acquiring a spectrum of each sample. All samples are dried together in step (d) subsequent to steps (b) and (c) while the cartridges with samples are positioned in the carrier. The drying process is thereby considerably accelerated in a straightforward technical manner.