Adam J. Plaunt

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Zinc(II)-bis(dipicolylamine) (Zn-BDPA) coordination complexes selectively target the surfaces of dead and dying mammalian cells, and they have promise as molecular probes for imaging cell death. A necessary step toward eventual clinical imaging applications is the development of next-generation Zn-BDPA complexes with enhanced affinity for the cell death(More)
There is a clinical need for imaging technologies that can accurately detect cell death in a multitude of pathological conditions. Zinc(II)-bis(dipicolylamine) (Zn2BDPA) coordination complexes are known to associate with the anionic phosphatidylserine that is exposed on the surface of dead and dying cells, and fluorescent monovalent Zn2BDPA probes are(More)
An orthogonally positioned diamino/dicationic polyamide f-IPI 2 was synthesized. It has enhanced binding affinity, and it showed comparable sequence specificity to its monoamino/monocationic counterpart f-IPI 1. Results from CD and DNase I footprinting studies confirmed the minor groove binding and selectivity of polyamides 1 and 2 for the cognate sequence(More)
Synthetic N-methyl imidazole and N-pyrrole containing polyamides (PAs) that can form "stacked" dimers can be programmed to target and bind to specific DNA sequences and control gene expression. To accomplish this goal, the development of PAs with lower molecular mass which allows for the molecules to rapidly penetrate cells and localize in the nucleus,(More)
This article describes the preclinical pharmacology and pharmacokinetics (PK) of hexadecyl-treprostinil (C16TR), a prodrug of treprostinil (TRE), formulated in a lipid nanoparticle (LNP) for inhalation as a pulmonary vasodilator. C16TR showed no activity (>10 µM) in receptor binding and enzyme inhibition assays, including binding to prostaglandin E2(More)
This study prepared three structurally related zinc–dipicolylamine (ZnDPA) tracers with [111In] labels and conducted biodistribution and single-photon emission computed tomography/computed tomography (SPECT/CT) imaging studies of a mouse leg infection model. Two monovalent tracers, ZnDPA-[111In]DTPA and ZnDPA-[111In]DOTA, each with a single(More)
5-Aminolevulinic acid (5-ALA), a prodrug of Protoporphyrin IX (PpIX), is used for photodynamic therapy of several medical conditions, and as an adjunct for fluorescence guided surgery. The clinical problem of patient photosensitivity after systemic administration could likely be ameliorated if the 5-ALA was delivered more selectivity to the treatment site.(More)
Orthogonally positioned diamino/dicationic polyamides (PAs) have good water solubility and enhanced binding affinity, whilst retaining DNA minor groove and sequence specificity compared to their monoamino/monocationic counterparts. The synthesis and DNA binding properties of the following diamino PAs: f-IPI (3a), f-IPP (4), f-PIP (5), and f-PPP (6) are(More)
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