Loading...
  • HPLC
  • In the case of HPLC the mobile phase consists of a non-polar solvent(s) such as hexane in normal phase or a polar solvent such as methanol in reverse phase chromatography and the sample being separated. (wikipedia.org)
  • IR5: an infrared detector for highly demanding applications in Polymer Char instruments such us GPC-IR, HPLC, CFC and other separation techniques. (wikipedia.org)
  • Glycomics Cell adhesion Glycolipid Glycoprotein List of omics topics in biology The following are examples of the commonly used techniques in glycan analysis: The most commonly applied methods are MS and HPLC, in which the glycan part is cleaved either enzymatically or chemically from the target and subjected to analysis. (wikipedia.org)
  • N-glycans from glycoproteins are analyzed routinely by high-performance-liquid-chromatography (reversed phase, normal phase and ion exchange HPLC) after tagging the reducing end of the sugars with a fluorescent compound (reductive labeling). (wikipedia.org)
  • Fractionated glycans from high-performance liquid chromatography (HPLC) instruments can be further analyzed by MALDI-TOF-MS(MS) to get further informations about structure and purity. (wikipedia.org)
  • silica
  • Our full range of standardized silica gels are available as granular (premium, standard, and economy grade) and spherical shapes with pore diameters ranging from 60Å to 2000Å, particle sizes from 3μm to 500μm, and bonded phases from C18 to SAX. (sorbtech.com)
  • All of Sorbent Technologies™ silica gels are manufactured using GMP standards ensuring the highest performance and reproducibility with no scale-up limitations. (sorbtech.com)
  • The most common stationary phase for column chromatography is silica gel, the next most common being alumina. (wikipedia.org)
  • For silica column chromatography, this ratio lies within 20:1 to 100:1, depending on how close to each other the analyte components are being eluted. (wikipedia.org)
  • For example, one of the most widely used silica gel grades in the former technique is mesh 230 - 400 (40 - 63 µm), while the latter technique typically requires mesh 70 - 230 (63 - 200 µm) silica gel. (wikipedia.org)
  • Preparation involves removal of other impuries, for example, mixing with hydrogen then passing over a catalyst to convert oxygen to water, which is then removed with silica gel. (wikipedia.org)
  • Other molecular sieves are used as desiccants (some examples include activated charcoal and silica gel). (wikipedia.org)
  • Silicon dioxide (used to make silica gel): 24 Å (2.4 nm) Mesoporous silica, 200-1000 Å (20-100 nm) Molecular sieves are often utilized in the petroleum industry, especially for drying gas streams. (wikipedia.org)
  • In contrast, silica gel can be regenerated by heating it in a regular oven to 120 °C (250 °F) for two hours. (wikipedia.org)
  • However, some types of silica gel will "pop" when exposed to enough water. (wikipedia.org)
  • fractionation
  • Polymer Char was founded by B. Monrabal in 1992 in the Valencia Technology Park, in Spain, being registered with the name of Polymer Characterization, S.A. Its initial goal was to develop a commercial Crystallization Analysis Fractionation (CRYSTAF) instrument based on technology developed by Monrabal at Dow Chemical Company laboratories in the Netherlands to measure chemical composition distribution in semicrystalline polymers. (wikipedia.org)
  • TREF: performs the temperature rising elution fractionation (TREF) technique for the characterization of CCD in polyolefins. (wikipedia.org)
  • Crystallization elution fractionation (CEF): high-throughput chemical composition distribution analyzer by CEF TGIC: technique for the analysis of low crystallinity polyolefins implemented by a fully automated instrument. (wikipedia.org)
  • compounds
  • This tandem technique can be used to analyze biochemical, organic, and inorganic compounds commonly found in complex samples of environmental and biological origin. (wikipedia.org)
  • polymer
  • The company has also developed techniques and instruments for polymer characterization, and more specifically, for polyolefin (polyethylene and polypropylene) characterization. (wikipedia.org)
  • electron
  • Raytheon's Failure Analysis and Materials Engineering Laboratories offer a reliable source for Failure Analysis, Root Cause Analysis, Surface Analysis & Electron Microscopy, NDE/NDT, Environmental Test, Process Improvements, Chemical Analysis, and Counterfeit Parts Identification. (raytheon.com)
  • characterization
  • A set of these techniques is used for the complex characterization of the structure of the nanoparticles, the kinetics of their preparation, the dynamics of morphological transformation and, finally, their stability. (technologynetworks.com)
  • Chemistry
  • Chromatography technique developed substantially as a result of the work of Archer John Porter Martin and Richard Laurence Millington Synge during the 1940s and 1950s, for which they won the 1952 Nobel Prize in Chemistry. (wikipedia.org)
  • Able to complete his School Certificate a year early, for which he was awarded seven credits, Sanger was able to spend most of his last year of school experimenting in the laboratory alongside his chemistry master, Geoffrey Ordish, who had originally studied at Cambridge University and been a researcher in the Cavendish Laboratory. (wikipedia.org)
  • detection
  • It is a non-scanning technique, wherein each transition is detected individually and the detection of multiple transitions occurs concurrently in duty cycles. (wikipedia.org)
  • protein
  • The overall aim of the course is to provide insight into the state of the art laboratory techniques that are recommended for analysis of the changes occurring in fish muscle after slaughter: rigor mortis, water holding capacity, lipid oxidation, protein oxidation and denaturatrion. (nordforsk.org)
  • Samples
  • Samples are then collected at set times and locations, and either taken to a laboratory for analysis, or analysed in the field. (wikipedia.org)
  • methods
  • Laboratory synthetic methods are generally divided into two categories, step-growth polymerization and chain-growth polymerization. (wikipedia.org)
  • For this reason, Dynamic Light Scattering, DLS, and NTA are used as suitable complementary methods in the laboratory. (technologynetworks.com)
  • These methods are simple to run using standard laboratory techniques and equipment, and can detect polymorphisms, single base pair mismatches, and insertions and deletions at low frequencies. (wikipedia.org)
  • detect
  • Olekowski and colleagues demonstrated this technique by using this enzyme to detect a variety of mutations and polymorphisms in the human BRCA1 gene. (wikipedia.org)
  • process
  • The next year, the Philippine Research Reactor at the PNRI was chosen by the IAEA to be the training platform to demonstrate the decommissioning process technique under the Research Reactor Decommissioning Demonstration Project (R2D2P). (wikipedia.org)
  • measurement
  • This is a whole-cell current clamp recording of a neuron firing due to it being depolarized by current injection Definition and scope[edit] Classical electrophysiological techniques[edit] Electrophysiology is the science and branch of physiology that pertains to the flow of ions in biological tissues and, in particular, to the electrical recording techniques that enable the measurement of this flow. (pearltrees.com)
  • materials
  • Under Executive Order 128, the PNRI is mandated to perform the following functions: Conduct research and development on the application of radiation and nuclear techniques, materials and processes. (wikipedia.org)
  • therefore
  • therefore, ion chromatography may have higher matrix tolerance. (wikipedia.org)
  • The crux of successful operando methodology, therefore, is related to the disparity between laboratory setups and industrial setups, i.e., the limitations of properly simulating the catalytic system as it proceeds in industry. (wikipedia.org)
  • cell
  • Calcium imaging is a scientific technique usually carried out in research which is designed to show the calcium (Ca2+) status of a cell, tissue or medium. (pearltrees.com)
  • studies
  • This technique has allowed studies of neuronal activity in hundreds of neurons and glial cells within neuronal circuits. (pearltrees.com)
  • Scientists continue to research the relevance of antioxidant properties in vitro and potential effects of PCOs on cancer or cardiovascular disease as determined in laboratory studies. (wikipedia.org)
  • In Cambridge, in the laboratory of Victor P. Whittaker, he began his studies on the dynamics of the synaptic vesicle compartment. (wikipedia.org)
  • Research
  • The first known deoxyribozyme was a ribonuclease, discovered in 1994 by Ronald Breaker while a postdoctoral fellow in the laboratory of Gerald Joyce at the Scripps Research Institute. (wikipedia.org)
  • world
  • VWR/Anachemia continues to be the undisputed leader when it comes to supplying laboratories conducting mineral analyses around the world. (vwr.com)
  • make
  • Manufactured from clear polypropylene Thermo Scientific™ Sterilin™ Certified Universal Containers have a wealth of features which make them a laboratory essential. (thermofisher.com)
  • flow
  • Condensed tannins can be characterised by a number of techniques including depolymerisation, asymmetric flow field flow fractionation or small-angle X-ray scattering. (wikipedia.org)