Polyethylenimine - Wikipedia
Polyethylenimine (PEI) or polyaziridine is a polymer with repeating units composed of the amine group and two carbon aliphatic CH 2 CH 2 spacers. Linear polyethyleneimines contain all secondary amines , in contrast to branched PEIs which …
Polyethyleneimine - an overview | ScienceDirect Topics
Polyethyleneimine (PEI) is a positively charged polymer made up of primary, secondary, and tertiary NH2 groups. It can be generated synthetically and can be attached to various nanoscale surfaces, where it exerts its antimicrobial effect on pathogenic MDR strains, while being nontoxic to mammalian cells.
Polyethyleneimine - an overview | ScienceDirect Topics
Polyethyleneimine (PEI) is a common polyamine polymer with repeating unit consisted of one primary amine functional groups (-NH2) and two carbon aliphatic groups (CH 2 -CH 2). making it a promising material for the CO 2 capture applications.
Polyethyleneimine - an overview | ScienceDirect Topics
PEI is a synthetic polymer that is positively charged, straight or branched, and able to form nanoscale complexes with small RNAs to achieve RNA protection, cellular delivery, and intracellular release.
Polyethylenimine: a very useful ionic polymer in the design ...
Aug 16, 2017 · This review discusses the possible roles of polyethylenimine (PEI) in the design of improved immobilized biocatalysts from diverse perspectives. This includes their use to activate supports and immobilize enzymes via ion exchange, as well as to improve immobilized enzymes by coating with PEI.
Polyethyleneimine-Based Drug Delivery Systems for Cancer …
Polyethyleneimine (PEI) is a cationic polymer molecule composed of abundant amine groups and two aliphatic carbons, and because of its specific structure and properties it has been widely used to stabilize or modify various inorganic hybrid NPs [20].
Polyethyleneimine (PEI) as a Polymer-Based Co-Delivery System …
Polyethyleneimine (PEI) is a polymer used as a co-delivery system for anticancer drugs and gene therapy. PEI is also useful for other purposes, such as transfection and bio-adsorbent agents. In co-delivery, PEI can promote drug internalization.
Journal of Applied Polymer Science | Wiley Online Library
Sep 19, 2021 · Polyethyleneimine (PEI) is a common polymer used in many industrial applications and in research, especially in surface chemistry. It is available in a wide range of molecular weights and different degrees of branching. It is classified as linear or branched and sometimes the term hyperbranched is also used.
Polyethyleneimine-DNA Interactions: Biophysical Journal - Cell …
Jan 28, 2014 · PEI is amongst the first and very versatile transfection agents to deliver DNA to cells for gene targeted studies and therapeutic applications. By virtue of their cationic nature under physiologically compatible ionic and pH conditions, PEI can bind with DNA.
Linear and Branched PEIs (Polyethylenimines) and Their Property …
PEIs (polyethylenimines) are polymeric molecules composed of repeating units of amine groups and two aliphatic carbons; a branched PEI, BPEI, may have all types of primary, secondary and tertiary amino groups while a linear PEI, LPEI, contains only …