Laboratory Homogenizer Articles

  • Precellys application focus cancer research oncology - case study

    Cancer research laboratories working with tumor tissues derived from animal models (1,2) or xenografts (3) face difficulties in homogenizing these tough samples using traditional methods (4). The Precellys homogenizers provides high speed sample disruption based on bead- beating technology for the extraction of DNA, RNA, protein, enzymes and metabolites within minutes. It ensures high ...


    By Bertin Technologies

  • Comparison of species sensitivity distributions based on population or individual endpoints

    Species sensitivity distributions (SSDs) developed from individual and population endpoints were compared based on simulations and a case study. The simulations were performed with five invertebrate species accounting for the diversity of benthic macroinvertebrate communities in large European lowland rivers and for five benthic invertebrates used as laboratory species. Population growth rate ...


    By John Wiley & Sons, Ltd.

  • TopAir’s Weighing Station

    TopAir is the flagship brand of Statitech Ltd., an ISO 9002 certified manufacturer of cleanroom products for the electronic, semi-conductor, biomedical and defense industries. Established in 1999 and ISO-9002 certified, Statitech Ltd. specializes in the development, production and marketing of a wide variety of standard and custom-made cleanroom products including a weighing station, and has ...


    By TopAir Systems

  • Heterogeneous catalytic ozonation of cationic dyes using volcanic sand

    This work aims to present experimental results on the treatment of methylene blue contaminated waters using heterogeneous catalytic ozonation promoted by volcanic sand. The effect of pH (2–8), and the presence of radical scavengers (acetate ions) in homogeneous and heterogeneous systems are evaluated at laboratory scale. Heterogeneous catalytic ozonation using volcanic sand increases methylene ...


    By IWA Publishing

  • Quantum dots and nanostructured conducting polymers for biosensing applications

    Numerous methodologies are currently being employed for the preparation of nanomaterials in customised morphologies. In this paper, we outline recent progress in our laboratory to develop nanostructured inorganic semiconductors – quantum dots (QDs), and nanostructured organic semiconductors based on polyaniline (PANI), for biosensing applications. Blue luminescent CdTe QDs were prepared directly ...


    By Inderscience Publishers

  • Modelling the motion of an internal solitary wave over a bottom ridge in a stratified fluid

    A series of laboratory experiments has been carried out to investigate the passage of an internal solitary wave of depression over a bottom ridge, in a two-layer fluid system for which the upper and lower layer is linearly-stratified and homogeneous respectively. Density, velocity and vorticity fields induced by the wave propagation over the ridge have been measured simultaneously at three ...


    By Springer

  • Soft Oedometer—A New Testing Device and Its Application for the Calibration of Hypoplastic Constitutive Laws

    The problem addressed is how to obtain the material parameters of soils and other granular materials by means of a simple and fast laboratory test which fulfills the requirement of homogeneous specimen deformation. A new laboratory testing device called “soft oedometer,” characterized by an extensible lateral supporting ring, makes it possible to measure not only the vertical but also the lateral ...


    By ASTM International

  • Sample Size for Laboratory Calibration of Subsurface Neutron Moisture Gauges

    The estimation of adequate sample size is critical to all laboratory methods of calibration of neutron moisture gauges. Neutron gauge response is a function of the true sample geometry rather than an arbitrarily defined spherical geometry. A two-group solution is obtained for neutron flux in a homogeneous, finite, cylindrical sample. The theoretical flux distributions for this solution and for ...


    By ASTM International

  • Laboratory and Field Calibration of a Neutron Depth Moisture Gauge for Use in High Water Content Soils

    In recent years radioisotopes have been increasingly used for determining site values of the density and the water content of soils. Since field measurements obtained by neutron moisture gauges are relative, these instruments must be calibrated. Calibration is usually carried out in the laboratory by plotting neutron counting rates versus known water content values of several soil media, ...


    By ASTM International

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