Übersetzung für "Probenverdünnung" in Englisch

The resulting undesired dilution of the samples has the effect of preventing the detection of certain substances.

The samples were measured at a sample dilution of 1:250).

In particular for quantitative calculations, the induction of the sample dilution used must be within the linear portion of the response curve.

This is, in particular, advantageous when an additional sample dilution is to be achieved.

This situation arises when absorbances of the calibration zero and the blank test are substantially the same, and errors in the operation cancel out.

Glucose determinations effected with separate systems which each contain only one (NAD-dependent or non-NAD-dependent) glucose dehydrogenase, at the same sample dilution, are limited to ranges of measurement which are each differently positioned but which each have approximately the same concentration range.

The disadvantage of sample dilution remains, however, at least with AT III, for which reason the coefficient of variation of the determination is worse than with other methods which do not require an additional dilution step.

The results, which are likewise shown in Table 5, demonstrate that the falsely high IgM determinations owing to binding of rheumatoid factor to IgG on the solid phase can be neutralized by adding a solution of a gammaglobulin fraction to the medium used for the sample dilution.

After completion of the sample dilution and dispensing, there follows the mixing and measuring in which the centrifugal analyzer is brought to the speed of rotation necessary for the mixing and subsequent measuring.

An initial estimate of the germ count present in the sample can already be made from the number of optically discernible microcolonies (taking into account any dilution factors depending on the sample dilution in the manner customary in microbiology) and, if appropriate, a rough estimate can also already be made from the colony morphology (size, color, surface nature etc.) with regard to possibly different groups of organisms.

As a consequence, the range of measurement is approximately equal in size for all procedures, and it can be displaced in accordance with the sensitivity of the measurement signal and the sample dilution.

The results presented in Table 3 demonstrate that the composition of the buffer solution employed for the sample dilution (for example addition of NaCl) may lead to a considerable reduction in the background signal, while there is less of an effect on the signal in a pathological sample.

Particularly in the case of samples whose concentration is at the upper end of the measurement range, a repeat measurement at the next higher sample dilution (1:20) leads to values which are, on average, higher by 16%.

This is to be understood as meaning that a sufficiently reliable assignment, namely for the particular medical-analytical purpose, of an input variable X to one of the sub-sections of the calibration curve X=f-1 (C) is to be possible, said assignment being achieved without additional outlay on measuring equipment, in particular without additional pipettin steps (sample dilution or increasing of the reagent concentration).

Only then is the remainder of the sample (or sample dilution) added to the same reaction mixture, and then the latter is subjected to another incubation step and an analogous measurement.

It is possible in this way to generate a flag which, for example, effects another measurement for quantification of the result with a higher sample dilution.

It has now been found that the object on which the application is based can be achieved by initially subjecting an aliquot of the amount of sample (or of the sample dilution made before the test) to an incubation in the test with a complete reagent content and, after a certain reaction time, recording a measurement (or a measurement difference from the initial value in a fixed time measurement).

During the sample diluting and dispensing, the rotor moves stepwise back and forth, corresponding to the coding 24, under the control of the central unit of the centrifugal analyzer.

Especially greatly prolonged reaction times are obtained when, in addition to the sample dilution, the reagents are also diluted (see Biggs loc. cit.).

We have extended our product range and developed an in vitro diagnostic in pen format for conducting whole-blood-based rapid tests with sample dilution.

Tucson, Arizona (May 4, 2016) – Alicat Scientific has expanded its BASIS™ line of mass flow controllers, adding a new 20SLPM model to fit a wider range of applications including sparging into liquids, sample dilution, and many gas mixing applications.

Most heterogeneous immunoassays require several manual processes such as, e.g., pipetting steps, sample dilution and washing steps which have to follow an exact time protocol.

The phage activity in PFU (plaque forming units)/ml can be calculated from the volume of the sample used, the dilution of the sample and the number of plaques found per plate.

The invention enables an integration and automation of reagent storage, sampling, sample dilution, reagent processing, detection as well as calibration and control functions in a disposable cartridge system for mobile multi-parameter analyses.

The specific examples of individual fluidic functions in a system pursuant to the invention depicted above and in the following, such as the calibration method, sampling, sample dilution, reagent storage and processing should not be considered to be final.

This characteristic curve is determined with known concentrations of live and/or active microorganisms of the same type as those expected to be present in the sample liquid 3, and data on the sample dilution can also be subsumed in the data on the characteristic curve of the pressure gage 11 .