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Page "Mendelevium" ¶ 4
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elution and Md
The cation-exchange resin column as well as the HDEHP solvent extraction column elution date is consistent with a trivalent state for Md and an ionic radius smaller than Fm.

elution and just
A chemical identification was made on the basis of its elution position just before Fm.

elution and sequence
The actinide elution sequence is reversed from that of the cation-exchange resin column.

elution and from
Speer and coworkers, in a similar study of blood group antibodies of whole sera, used a series of gradients for elution from Aj.
First results were disappointing as no alpha-particle emission signature could be detected from the elution product.
In elution mode, substances typically emerge from a column in narrow, Gaussian peaks.
In gradient elution the composition of the mobile phase is varied typically from low to high eluting strength.
In elution mode, substances typically emerge from a column in narrow, Gaussian peaks.
An elution with a low pH buffer or a more gentle, high salt elution buffer is then used to recover purified antibody from the support.
The gold can be removed from the carbon by using a strong solution of caustic soda and cyanide, a process known as elution.
The solid medium can then be removed from the mixture, washed and the target molecule released from the entrapment in a process known as elution.
Sialidase activities include assistance in the mobility of virus particles through the respiratory tract mucus and in the elution of virion progeny from the infected cell.
Retention Time: The time from the start of signal detection by the detector to the peak height of the elution concentration profile of each different sample.
Hence, removing the daughter nuclide ( elution process ) from the generator (" milking " the cow ) is reasonably done as often as every 6 hours in a < sup > 99 </ sup > Mo /< sup > 99m </ sup > Tc generator.

elution and resin
By elution through a calibrated cation exchange resin column, mendelevium was separated and chemically identified.
The separate curves in the diagram represent different sample elution concentration profiles over time based on their affinity to the column resin.

elution and column
The speed at which any component of a mixture travels down the column in elution mode depends on many factors.
In many cases, baseline separation of the peaks can be achieved only with gradient elution and low column loadings.
Thus, two drawbacks to elution mode chromatography, especially at the preparative scale, are operational complexity, due to gradient solvent pumping, and low throughput, due to low column loadings.
Unlike affinity chromatography techniques, a solvent head at the top of the column can drastically diminish resolution as the sample diffuses prior to loading, broadening the downstream elution.
The speed at which any component of a mixture travels down the column in elution mode depends on many factors.
In many cases, baseline separation of the peaks can be achieved only with gradient elution and low column loadings.
Thus, two drawbacks to elution mode chromatography, especially at the preparative scale, are operational complexity, due to gradient solvent pumping, and low throughput, due to low column loadings.
In isocratic elution, the selectivity does not change if the column dimensions ( length and inner diameter ) change – that is, the peaks elute in the same order.
The internal diameter ( ID ) of an HPLC column is an important parameter that influences the detection sensitivity and separation selectivity in gradient elution.
If the Mark-Houwink-Sakurada constants K and α are known ( see Mark-Houwink equation ), a plot of log M versus elution volume ( or elution time ) for a particular solvent, column and instrument provides a universal calibration curve which can be used for any polymer in that solvent.
Binding to the solid phase may be achieved by column chromatography whereby the solid medium is packed onto a column, the initial mixture run through the column to allow setting, a wash buffer run through the column and the elution buffer subsequently applied to the column and collected.
Sometimes a hybrid method is employed, the binding is done by the batch method, then the solid phase with the target molecule bound is packed onto a column and washing and elution are done on the column.

elution and .
Abelson and Rawson, using a stepwise elution scheme, fractionated whole sera containing ABO and Rh antibodies on diethylaminoethyl DEAE cellulose and carboxymethyl cellulose.
The chromatography was done at 6-degrees-C using gradient elution, essentially according to Sober and Peterson.
The deep concave gradient employed ( fig. 2 ) was obtained with a nine-chambered gradient elution device ( `` Varigrad '', reference ( 8 ) ) and has been described elsewhere.
There are distinct differences between displacement and elution chromatography.
Reversed-phase chromatography is an elution procedure used in liquid chromatography in which the mobile phase is significantly more polar than the stationary phase.
Experimentally, Benoit and co-workers found an excellent correlation between elution volume and a dynamically based molecular size, the hydrodynamic volume, for several different chain architecture and chemical compositions.
The larger the particles, the faster the elution.
The elution volume ( Ve ) decreases roughly linear with the logarithm of the molecular hydrodynamic volume.
( Blue dextran is not recommended for Vo determination because it is heterogeneous and may give variable results ) The elution volumes of the standards are divided by the elution volume of the thyroglobulin ( Ve / Vo ) and plotted against the log of the standards ' molecular weights.
Any interaction leads to a later elution time and thus mimics a smaller analyte size.
The composition of the mobile phase may be kept constant (" isocratic elution mode ") or varied (" gradient elution mode ") during the chromatographic analysis.

Md and just
The vacant lots ran from just south of what is now the intersection of Md.
The glass-workers having just left the recently closed Amelung Works of Frederick, Md, were planning on migrating to Mays Landing, Ky. and there operating a glass factory.

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