Examples of 'polycation' in a sentence
Meaning of "polycation"
polycation (noun) - In chemistry, a polycation is a polymer or a molecule that carries a positive charge on multiple nitrogen or protonated amino groups. Polycations have applications in various fields, including gene delivery, drug delivery, and materials science
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- any cation having more than one positive charge
How to use "polycation" in a sentence
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polycation
A polycation is a polymer containing a net positive charge.
High luciferase expression required an excess of polycation.
The polycation is dissolved in the remainder of the water.
The cationic lipid can be a monocation or a polycation.
It is preferred if the polycation is polylysine.
Chitosan is a polycation which can be incorporated into fibres and textiles.
The pH of the polyanion and of the polycation may be adjusted.
The addition of the polycation resulted in the formation of precipitates on visual inspection.
There are various ways that the polycation can be added.
Spermidine is a ubiquitous polycation that is synthesized from putrescine and serves as a precursor of spermine.
Aggregation can be overcome by the presence of an excess of the polycation or polyanion.
It is found as a polycation at physiological pH.
This batch showed that microspheres could be formed without polycation.
The polyion segment encompasses polycation segments and polyanion segments.
Preferred cationic ion exchange agents include protamine chloride or any other polycation.
See also
A preferred polycation is polylysine.
One embodiment of this single particle concept is supplied by a polycation conjugate of hybrid virus.
An effective amount of such a polycation is that amount necessary to reduce inhibition by a polyanion.
Gelatin is an especially preferred protein for use as a polycation in the present invention.
The dendrimer polycation is capable by itself of delivering the polynucleotide with high transfection efficiency.
The reaction mixture is transferred to a polycation matrix where the polyanion is caught.
In this situation the nucleic acid is a polyanion and the formed polymer is a polycation.
A nucleic acid molecule is mixed with a polycation molecule in a solvent to form a complex.
The polycation moiety binds the DNA vÃa electrostatic interactions with the phosphate backbone.
Examples such as those described above can be given for a polycation and a polyanion.
Any suitable polycation known In the art may be included in the flotation medium.
Repeating the application and washing steps for successive layers of polycation or polyanion or polyzwitterion.
The polycation component comprised pEVP-Br.
To inhibit precipitation the polycation was added into the DNA solution.
In some embodiments, the shell block comprises a polycation.
The acetic acid was evaporated and the polycation was purified again by HPLC.
The ratio of polycation basic groups to nucleotide phosphates was about 7.
One embodiment of this single particle concept is the polycation conjugated hybrid virus see Fig.
The dendrimer polycation is non-covalently associated with the polynucleotide.
The composition of claim 9 wherein said polycation is a polyamine.
The total amount of combined polycation and hexametaphosphate to be mixed together is 12 grams.
In a preferred embodiment, the polylnueleic acids will be complexed with a polycation.
The composition of claim 1, wherein the dendrimer polycation comprises a polyamidoamine.
The ionically crosslinkable component is selected from a polysaccharide, a polyanion, or a polycation.
Preferably, the polycation is a polyamine, more preferably a polyamine such as spermidine or spermine.
Wherein said ionically crosslinkable component is selected from a polysaccharide, a polyanion, or a polycation.
The ratio of polycation block imino and amino groups to oligonucleotide phosphates was 10.
The multi-layer polymeric material is formed by the ionic interactions of a polycation and a polyanion.
The EMPs were immobilized on a polycation surface according to the principle of physico-chemical adsorption.
A membrane forms at the periphery, resulting from ionic association between the alginate and the polycation.
The ratio of polycation imino and amino groups to polynucleotide phosphate groups was about 50.
The membrane-permeabilizing agent may be coupled to the dendrimer polycation by covalent or electrostatic forces.
The dendrimer polycation is generally and preferably non-covalently associated with the polynucleotide.
Each complex consists essentially of a single double-stranded cDNA molecule and one or more polycation molecules.
Said polycation molecules have a counterion selected from the group consisting of acetate, bicarbonate, and chloride.
