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Research Article

The role of macromolecular architecture in passively targeted polymeric carriers for drug and gene delivery

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Pages 329-356 | Received 16 Nov 2007, Accepted 31 Jan 2008, Published online: 08 Oct 2008
 

Abstract

The use of polymeric carriers for drug delivery has become increasingly popular because of the ability to easily tune the physical and biological properties of macromolecules. With the growing commercial accessibility of branched and dendritic polymers, their incorporation into polymeric carriers is being explored with increased frequency. However, while a handful of systematic studies have explored the use of branched macromolecules for drug delivery, the role of polymer architecture in optimizing the polymeric carriers is not yet fully understood. Herein, the authors summarize the effect that architecture has on the basic physical properties of polymers, and review our preliminary understanding of the architectural effects on polymer-assisted drug delivery.

Abbreviations
ATRP=

atom transfer radical polymerization

CnPVP=

poly(4-vinylpyridine) quaternized via a Cn alkyl chain

DNA=

deoxyribonucleic acid

DOSPA=

2,3-dioleoyloxy-N-[2(sperminecarboxamido)ethyl]-N,N-dimethyl-1-propanaminium trifluoroacetate

DOTAP=

N-[1-(2,3-dioleoyloxy)propyl]-N,N,N-trimethylammonium chloride or sulfate salts

DOTMA=

N-[1-(2,3-dioleoyloxy)propyl]-N,N,N-trimethylammonium chloride

HSA=

human serum albumin

MRI=

magnetic resonance imaging

NMP=

nitroxide mediated radical polymerization

PAMAM=

poly(amidoamine)

PCL=

Polycaprolactone

PEG=

poly(ethylene glycol)

PEI=

poly(ethyleneimine)

PHEMA=

poly(hydroxyethyl methacrylate)

PHPMA=

poly(hydroxypropylmethacrylamide)

PLL=

poly(l-lysine)

PPI=

poly(propylene imine)

PVP=

poly(4-vinylpyridine)

PS=

poly(styrene)

PSMA=

poly(styrene-co-maleic anhydride)

RAFT=

reversible addition fragmentation chain transfer polymerization

ssDNA=

single strand DNA

Abbreviations
ATRP=

atom transfer radical polymerization

CnPVP=

poly(4-vinylpyridine) quaternized via a Cn alkyl chain

DNA=

deoxyribonucleic acid

DOSPA=

2,3-dioleoyloxy-N-[2(sperminecarboxamido)ethyl]-N,N-dimethyl-1-propanaminium trifluoroacetate

DOTAP=

N-[1-(2,3-dioleoyloxy)propyl]-N,N,N-trimethylammonium chloride or sulfate salts

DOTMA=

N-[1-(2,3-dioleoyloxy)propyl]-N,N,N-trimethylammonium chloride

HSA=

human serum albumin

MRI=

magnetic resonance imaging

NMP=

nitroxide mediated radical polymerization

PAMAM=

poly(amidoamine)

PCL=

Polycaprolactone

PEG=

poly(ethylene glycol)

PEI=

poly(ethyleneimine)

PHEMA=

poly(hydroxyethyl methacrylate)

PHPMA=

poly(hydroxypropylmethacrylamide)

PLL=

poly(l-lysine)

PPI=

poly(propylene imine)

PVP=

poly(4-vinylpyridine)

PS=

poly(styrene)

PSMA=

poly(styrene-co-maleic anhydride)

RAFT=

reversible addition fragmentation chain transfer polymerization

ssDNA=

single strand DNA

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