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  • A look behind Dalí’s paintings

    A collaboration of scientists, conservators and curators has developed a technique for assessing the condition of works of art without the need to remove samples from them, and used it to analyse a valuable collection of paintings by the enigmatic artist Salvador Dalí. Paintings undergo little mecha more

  • Pfeiffer Vacuum: Q3 the best quarter in the company’s history

    Pfeiffer Vacuum closed the month of September with the best quarter ever in its corporate history. This also produced above-average developments for the first nine months. All metrics posted significant, double-digit growth rates. Pfeiffer Vacuum Chief Executive Officer Manfred Bender had this to s more

  • Sniffing out shoe bombs: A new and simple sensor for explosive chemicals

    University of Illinois chemists have developed a simple sensor to detect an explosive used in shoe bombs. It could lead to inexpensive, easy-to-use devices for luggage and passenger screening at airports and elsewhere. Triacetone triperoxide (TATP) is a high-powered explosive that in recent years h more

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  • Molecular Probes® NanoOrange® Assay Performed on BMG LABTECH FLUOstar OPTIMA Microplate Reader

    The field of proteomics has expanded dramatically in recent years with research on a whole host of organisms. Techniques such as two dimensional difference gel electrophoresis (2D DIGE) require the accurate quantitation of protein, as up to three labelled samples can be loaded on a single gel for comparison. Assay methods for determining protein quantitation include absorbance at 280 nm(1), the Bradford assay(2), Lowry assay(3), BCA method(4) and more sensitive assays such as Fluoroprofile® (Sigma-Aldrich) and NanoOrange® (Molecular Probes®)5(). more

  • Looxster® - Enrichment and isolation of bacterial DNA using Pureprove® Technology

    Detection of the bacterial content of a specific sample, irrelevant from its source (i.e. Clinical, Food or Environmental), is not as straightforward as it seems. In clinical microbiology laboratories, the gold standard method for the detection of pathogens in patients suspected of systemic infections is the blood culture. However, this technique is known to have many drawbacks especially with regard to non-cultivable organisms, low abundance (longer lag phase) and patient's antibiotics treatment. more

  • LOOXSTER® concentrates bacterial DNA

    Detection of the bacterial content of a specific sample, irrelevant from its source, is not as straightforward as it seems. In clinical microbiology laboratories, the gold standard method for the detection of pathogens in patients suspected of systemic infections is the blood culture. However, this technique is known to have many drawbacks especially with regard to patient's antibiotics treatment, low abundance and non-cultivable organisms. Moreover, it takes usually 3 to 5 days to obtain a result from blood culture which is too late to initiate proper antibiotic therapy. Amplification-based methods such as PCR allow results in a more rapid fashion. However, their sensitivity, to date, are no better, and sometimes worse, than culture-based methods. more

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