Abstract: The invention relates to a microorganism which produces and/or secretes an organic-chemical compound, wherein the microorganism has increased expression, compared to the particular starting strain, of one or more protein subunits of the ABC transporter having the activity of a trehalose importer, said microorganism being capable of taking up trehalose from the medium; and to a method for the production of an organic-chemical compound, using the microorganism according to the invention, wherein accumulation of trehalose in the fermentation broth is reduced or avoided.

Abstract: The invention relates to a microorganism which produces and/or secretes an organic-chemical compound, wherein the microorganism has increased expression, compared to the particular starting strain, of one or more protein subunits of the ABC transporter having the activity of a trehalose importer, said microorganism being capable of taking up trehalose from the medium; and to a method for the production of an organic-chemical compound, using the microorganism according to the invention, wherein accumulation of trehalose in the fermentation broth is reduced or avoided.

Abstract: The invention relates to a microorganism which produces and/or secretes an organic-chemical compound, wherein the microorganism has increased expression, compared to the particular starting strain, of one or more protein subunits of the ABC transporter having the activity of a trehalose importer, said microorganism being capable of taking up trehalose from the medium; and to a method for the production of an organic-chemical compound, using the microorganism according to the invention, wherein accumulation of trehalose in the fermentation broth is reduced or avoided.

Abstract: The invention relates to an improved method of analysis using X-ray fluorescence, whereby the X-ray fluorescence is excited by X-radiation. Said X-radiation is generated with an acceleration tension of between 5 and 60 kV and is radiated in an unfiltered form, i.e. without a primary ray filter being positioned in the ray path. The measured data is evaluated according to methods which are known in principle, whereby the area of the deceleration continuum is taken into account in the evaluation. The invention also relates to the application of the improved method for energy dispersive X-ray fluorescence analysis for analyzing chemical substances and to a device for carrying out said method.

Abstract: The invention relates to a method for classifying and identifying by means of energy dispersion X-ray fluorescence analysis chemical substances whose X-ray fluorescence lines cannot be detected and which therefore cannot be classified by energy dispersion X-ray fluorescence analysis alone. Said method is characterized in that the sample to be analyzed is analyzed in its original packaging or natural state without prior processing in a sample vessel. According to the method the sample is: a) positioned in front of the measuring aperture in a sample chamber of an X-ray fluorescence apparatus; b) measured; and c) classified and identified by application of multivariate, statistical techniques to the measurement signals obtained, i.e., to the Compton and Rayleigh scattering.