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Gel permeation chromatography (GPC) has become the most widely used technique for analyzing polymer samples in order to determine their molecular weights and weight distributions. Examples of GPC chromatograms of polystyrene samples with their molecular weights and dispersities are shown on the left.
An autosampler for liquid or gaseous samples based on a microsyringe Different kinds of autosamplers exist. Autosamplers can be classified in relation to sample capacity (auto-injectors vs. autosamplers, where auto-injectors can work a small number of samples), to robotic technologies (XYZ robot [ 11 ] vs. rotating robot – the most common ...
An autosampler is commonly a device that is coupled to an analytical instrument providing samples periodically for analysis. [1] An autosampler can also be understood as a device that collects samples periodically from a large sample source, like the atmosphere or a lake, for example.
The Mark–Houwink equation, also known as the Mark–Houwink–Sakurada equation or the Kuhn–Mark–Houwink–Sakurada equation or the Landau–Kuhn–Mark–Houwink–Sakurada equation or the Mark-Chrystian equation gives a relation between intrinsic viscosity [] and molecular weight: [1] [2]
This form of chromatography is widely used in the following applications: water purification, preconcentration of trace components, ligand-exchange chromatography, ion-exchange chromatography of proteins, high-pH anion-exchange chromatography of carbohydrates and oligosaccharides, and others.
GPC Biotech, a German biopharmaceutical company; Places. Gene Polisseni Center, an ice hockey arena at Rochester Institute of Technology, New York, US;
Answers.com is an Internet-based knowledge exchange. The Answers.com domain name was purchased by entrepreneurs Bill Gross and Henrik Jones at idealab in 1996. [1] [2] The domain name was acquired by NetShepard and subsequently sold to GuruNet and then AFCV Holdings. The website is now the primary product of the Answers Corporation. It has tens ...
CpG is shorthand for 5'—C—phosphate—G—3' , that is, cytosine and guanine separated by only one phosphate group; phosphate links any two nucleosides together in DNA. . The CpG notation is used to distinguish this single-stranded linear sequence from the CG base-pairing of cytosine and guanine for double-stranded sequenc