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Virgil Percec

Researcher at University of Pennsylvania

Publications -  816
Citations -  46092

Virgil Percec is an academic researcher from University of Pennsylvania. The author has contributed to research in topics: Polymerization & Liquid crystal. The author has an hindex of 101, co-authored 798 publications receiving 42465 citations. Previous affiliations of Virgil Percec include University of California, Berkeley & University of Ulm.

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Journal ArticleDOI

Dendrimeric Liquid Crystals: Isotropic−Nematic Pretransitional Behavior

TL;DR: In this article, the authors show that the pretransitional behavior of liquid crystalline monodendrons and dendrimers is qualitatively similar to that of low molecular weight liquid crystals, exhibiting a Landau-like divergence of the relaxation time and a logarithmic divergence of optical retardation on approaching the nematic−isotropic phase transition from above.
Journal ArticleDOI

X-ray Reflectivity Study of Langmuir Films of Amphiphilic Monodendrons

TL;DR: This paper used X-ray reflectivity and Π-area isotherms to study Langmuir films of a series of second and third-generation monodendrons with hydrophobic C12H25 alkyl tails at the periphery and hydrophilic COOHCO2CH3 or crown ether groups in the core.
Book ChapterDOI

Self-Assembly of Dendritic Dipeptides as a Model of Chiral Selection in Primitive Biological Systems

TL;DR: This approach elucidates a mechanism of selecting a homochiral relationship between dissimilar but neighboring α-amino acids through thermodynamic preference for homochirality in solution-phase and bulk supramolecular helical polymerization.
Journal ArticleDOI

Hierarchical Self-Organization of Chiral Columns from Chiral Supramolecular Spheres.

TL;DR: Structural and retrostructural analysis using a combination of differential scanning calorimetry, X-ray diffraction, molecular modeling, and simulation of XRD patterns reveals that this CTTV derivative, which is functionalized with eight chiral first-generation minidendrons, self-organizes via a column-from-spheres model.
Journal ArticleDOI

Grafting of functional methacrylate polymer brushes by photoinduced SET-LRP

TL;DR: In this paper, a photo-induced surface-initiated single electron transfer living radical polymerization (SET-LRP) is used for the grafting of polymer brushes from a wide range of methacrylate monomers.