Glycosylated dimeric alliinase (EC 4.4.1.4) was purified to homogeneity from its natural source, garlic. With 660 units/mg, the specific enzymatic activity… Continue reading Purification, characterization, and crystallization of alliinase from garlic
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
Two new lavandulylated flavanones, (2S)-2‘-methoxykurarinone (1) and (−)-kurarinone (2), were isolated from the root of Sophora flavescens, together with two known lavandulyl… Continue reading Cytotoxic Lavandulyl Flavanones from Sophora flavescens
Leah Pandiscia, PhD
July 28, 2017
Circular dichroism (CD) spectroscopy is an essential tool for determining the conformation of proteins and peptides in membranes. It can… Continue reading CD Spectroscopy of Peptides and Proteins Bound to Large Unilamellar Vesicles
Leah Pandiscia, PhD
July 28, 2017
Structure-based protein design tests our understanding of the minimal determinants of protein structure and function. Previous studies have demonstrated that… Continue reading Probing the minimal determinants of zinc binding with computational protein design
Leah Pandiscia, PhD
July 28, 2017
A combination of mass spectrometry, Raman microspectroscopy, circular dichroism and X-ray crystallography has been used to obtain detailed information on… Continue reading Mapping the protein-binding sites for iridium(III)-based CO-releasing molecules
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
Apurinic/apyrimidinic (AP) sites are constantly formed in cellular DNA due to instability of the glycosidic bond, particularly at purines and… Continue reading Catalysts of DNA Strand Cleavage at Apurinic/Apyrimidinic Sites
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
A label-free sensing assay for ethanolamine (EA) detection based on G-quadruplex-EA binding interaction is presented by using G-rich aptamer DNA… Continue reading Aptamer-based biosensor for label-free detection of ethanolamine by electrochemical impedance spectroscopy
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
Inorganic phosphate (Pi) is a central signaling molecule that modulates virulence in various pathogens. In Pseudomonas aeruginosa, low Pi concentrations induce… Continue reading Two different mechanisms mediate chemotaxis to inorganic phosphate inPseudomonas aeruginosa
Leah Pandiscia, PhD
July 28, 2017
We investigated the structural effects induced by Al3+ on different b-amyloid (Ab) fragments at pH 7.4 and T= 25°C, with… Continue reading Aluminum-triggered structural modifications and aggregation of β-amyloids
Leah Pandiscia, PhD
July 28, 2017
Observations that beta-sheet proteins form amyloid fibrils under at least partially denaturing conditions has raised questions as to whether these… Continue reading Myoglobin forms amyloid fibrils by association of unfolded polypeptide segments
Leah Pandiscia, PhD
July 28, 2017
Leah Pandiscia, PhD
July 28, 2017
Bestowing chirality to metals is central in fields such as heterogeneous catalysis and modern optics. Although the bulk phase of… Continue reading First enantioseparation and circular dichroism spectra of Au38 clusters protected by achiral ligands
Leah Pandiscia, PhD
July 28, 2017
The interaction of DNA with Mn2+ was studied in absorbance and optical activity in the electronic and vibrational regions. Based… Continue reading The effect of manganese(II) on DNA structure: electronic and vibrational circular dichroism studies
Leah Pandiscia, PhD
July 28, 2017
Chiral biomolecules conjugated with silver nanoparticles were investigated by circular dichroism (CD) spectroscopy. Silver nanoparticles were prepared by the citrate… Continue reading Circular dichroism study of chiral biomolecules conjugated with silver nanoparticles
Leah Pandiscia, PhD
July 28, 2017
Since it was implicated in a number of neurodegenerative conditions, such as Alzheimer disease, formation of β-sheet-rich protein fibrils (amyloids)… Continue reading Chiral bias of amyloid fibrils revealed by the twisted conformation of Thioflavin T: An induced circular dichroism/DFT study
Leah Pandiscia, PhD
July 28, 2017