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Internal standard is primarily used to increase the accuracy and precision of analytical methods that have large inherent variability. The method is used in chromatography (GC, HPLC) where a compound similar to the analyte of interest is added to the sample and run. By having the analyte and the standard elute in the same run, the run to run variability is eliminated giving more precise results. Obviously one needs to calibrate the responses of the internal standard with that of the analyte. Incidental benefits are saving time and money by having less runs.
Hope this is useful.
Jay, Winnipeg, Canada
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Differences of Hexokinase and glucokinase?
n nHexokinase: Its function is to make sure there is enough glc for the tissues, even in the presence of low blood glc concentrations, by phosphorylating all the glc concentration gradient between the blood and the intracellular environment. n nGlucokinase: Its function is to remove glc from the blood following a meal. n n(Hexokinase, Phosphofructokinase and pyruvate kinase, are 3 regulatory enzymes of glycolysis.) nLiver has an additional enzyme, glucokinase, that phosphorylate only glc n n1. Glucokinase has a high Km because it phosphorylates glc only when its concentration is high. This occurs during the brief period after consumption of a carbohydrate rich meal, when high glc are delivered by portal vein. n n2. Glucokinase has a high Vmax, allowing the liver to remove effectively this flood of glc from the portal blood. So this prevents extreme hyperglycemia after meals. n
What would be the best way to separate solutions with different boiling points?
Analytically GLC is the best (Gas chromatography)In a productive way distillation is prominent.
What is the term called when separating sand from water?
ways of separating liquids, simple distillation, fractional distillation, paper chromatography, thin layer chromatography, filtration, evaporation, crystallisation, separating funnel, decantation, centrifuge, centrifuging, decanting-decantation, instrumental methods of analysis, glc gas-liquid chromatography, purifying substances
What are the uses of gas chromatography?
Gas-liquid chromatography (GLC), or simply gas chromatography (GC), is a common type of chromatography used in organic chemistry for separating and analyzing compounds that can be vaporized without decomposition.
What are examples of partition chromatography?
Chromatography is generally used to separate out different orgainc substances and to characterise these substances. The process involves a stationary phase, a mobile phase and either a coloured substance or a UV active stationary phase. In the case of Thin Layer Chromatography (TLC) a drop of the sample to be tested is placed on a plate of silica gel containing a chromaphore (a UV active substance). The end of the plate with the drop of sample is placed into the mobile phase. The mobile phase will travel up the plate taking with it the components of the sample. The smaller the component the further it will travel. This can then be viewed using a UV light.
What doesn GLC on jewelry mean?
GLC on jewelry typically stands for "Genuine Leather Certification." However, it can also refer to a brand or specific quality standard depending on the context. If you encounter GLC in relation to jewelry, it's essential to consider the surrounding information to determine its exact meaning.
When did London Transport Executive - GLC - end?
London Transport Executive - GLC - ended in 1984.
When was London Transport Executive - GLC - created?
London Transport Executive - GLC - was created in 1970.
What does GLC stand for in glc sx?
Mazda very cleverly came up with the catchy "GLC" designation to shorten the moniker "Great Little Car". In my opinion, Mazda makes several "great little cars", and it's a shame so many people have forgotten what "GLC" stands for.
What are the disadvantages of GLC?
your mums box
Where can one buy a Cisco GLC T transceiver module?
Cisco GLC T transceiver modules can be purchased at a variety of retailers. Some stores that carry Cisco GLC T transceiver modules include Amazon, Box Fire, and Smart Hardware.
What is difference bet GLC and HPLC?
GLC has a stationary liquid phase and gas moving phase HPLC had a stationary solid phase and liquid moving phase HPLC is done under high pressure. HPLC can be used for thermally unstable compounds as opposed to GLC HPLC can be used for polar or low volatile compounds as opposed to GLC
Who makes GLC-T-NHR?
Network Hardware Resale Cisco.
Where can one purchase a Cisco GLC T converter?
You can purchase a Cisco GLC I convertor at your local Staples store or online for at least $250.00.You may also purchase this product on Amazon for approximately $115.00.
What was the last year's cut off for 3 yrs llb course in GLC Mumbai and also for the year 2010 -2011 when will be the admissions taking place in this college?
go to GLC mumbai's website..you will find it there..Google it
What does the stop GLC signs in Prospect heights mean?
Great lakes commission?
What is the abbreviation fo gallon?
the abbreiation for the word Gal.
