14. mars 2017
Analysis of Animal Feeds
Blixtsnabb kvalitetskontroll av foder.
Kvalitetskontroll av råvaror, ingredienser, blanda eller färdiga med röntgenfluorescens är nu snabbare och bättre än någonsin.
Bestämning av Na, Mg, P, Cl, K, Ca, Mn, Fe och många fler, med gränserna för en ppm detekterings - mäts direkt utan betydande provberedning.
Tack vare den snabba utvecklingen av detektorer, optik och Rigaku s RFP-SQX shortfinmako och flygande programvara, mätt alla objekt på en gång och utan kalibrering.
16. februari 2017
Fast Glycan Labeling and Analysis
Hög upplösning glykan analys på rekordtid. Nytt kit från SCIEX.
SCIEX Fast Glycan Labeling and Analysis delivers rapid glycan heterogeneity identification, capable of profiling your glycans in record time. Combining simplified sample preparation, rapid separations and automated glycan identification, you can make confident decisions quickly by running glycans up to five-times faster than HILIC.
Up to 5x Faster Than HILIC
SCIEX Fast Glycan technology enables you to rapidly perform glycan separation while retaining high resolution information. This means you can characterize more samples in less time for quicker comparability assessments across a population of samples. You can also minimize the cycle time needed to course correct processes, from development to commercial manufacturing.
Automated and Immediate Glycan Identification
The comprehensive GU based glycan reference database delivers fast separations with automated and immediate identification. Key glycan GU values are established using the SCIEX Fast Glycan assay and offer efficient identification - reducing time and minimizing errors - without the need to use technologies requiring advanced expertise.
Sample Preparation Made Easy
Based on award winning magnetic-bead technology, the SCIEX Fast Glycan assay does not require ultra-centrifugation or advanced pipetting techniques. This makes the assay suitable for manual pipetting as well as automation. The short incubation times, combined with magnetic-bead based sample clean-up, allows you to complete sample prep in an hour. Furthermore, the magnetic-bead reduces the presence of unbound dye resulting in better characterization of complex sialylated structures.
7. februari 2017
Stony-iron meteorite analysis
Analysis of a stony-iron meteorite using a HyPix-3000 multi-dimensional detector.
A stony-iron meteorite is like a single crystal. When using 0- or 1-dimensional detectors, only a few diffraction peaks are observed. In this situation, identification of crystalline phases cannot be conducted. Therefore, a stony-iron meteorite was analyzed using the multi-dimensional detector, HyPix-3000, which has an effective detection area for the identification of crystalline phases.
Measurements and results
A stony-iron meteorite was analyzed using the HyPix-3000. Inside a stony-iron meteorite, there are transparent parts similar to glass and opaque parts similar to metal. The transparent parts were thought to be non-crystalline (amorphous). However, when measurement of the transparent part was actually performed, only one diffraction line was observed. In general, when measurement is done with a 0D or a 1D detector, the range in which diffraction X-rays can be detected from the sample is limited to a certain region. (This region is indicated in yellow in Fig. 1.) In this experiment, the diffraction lines, indicated with red arrows, are within the scanning range, and therefore can be detected. On the other hand, it is possible to acquire information on multiple lattice planes, as shown in Fig. 2, by using the HyPix-3000, which has a wide effective detection area, and by performing measurement while oscillation the sample. When the 2D diffraction image obtained in Fig. 2 was converted to a 2θ-I profile and qualitative analysis of the transparent part was carried out, it was possible to identify forsterite (Mg₂SiO₄) (Fig. 3). Since diffraction spots were observed, it was conjectured that the glass-like transparent part is a single crystal or is comprised of an extremely small number of crystal grains.
Fig. 1: X-ray diffraction pattern of glass-like transparent part when using a 0D or 1D detector
Fig. 2: 2D diffraction image of transparent part (with oscillation)
Fig. 3: Result of qualitative analysis of transparent part
Recommended equipment and software
- Automated Multipurpose X-ray Diffractometer SmartLab
- 2D Hybrid Pixel Array Detector HyPix-3000
The SmartLab is the most novel high-resolution diffractometer available today.
Perhaps its most novel feature is the SmartLab Guidance software,
which provides the user with an intelligent interface that guides you through the intricacies of each experiment. It is like having an expert standing by your side.
For more information click here.
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