Fabrication of One- and Two-Dimensional Gold Nanoparticle Arrays on Computationally Designed Self-Assembled Peptide Templates

2018 / Chemistry of Materials

Templating methods, combined with colloidal chemistry synthesis, provide a strategy to fabricate inorganic nanomaterials with controllable architectures. Computationally designed peptide… Continue reading Fabrication of One- and Two-Dimensional Gold Nanoparticle Arrays on Computationally Designed Self-Assembled Peptide Templates

Heather Haffner

Covalent Linkage of an R‐ω‐Transaminase to a d‐Amino Acid Oxidase through Protein Splicing to Enhance Enzymatic Catalysis of Transamination

2018 / ChemBioChem

R‐ω‐Transaminases (RTAs) catalyse the conversion of R‐configured amines [e.g., (R)‐1‐phenylethylamine] into the corresponding ketones (e.g., acetophenone), by transferring an amino group… Continue reading Covalent Linkage of an R‐ω‐Transaminase to a d‐Amino Acid Oxidase through Protein Splicing to Enhance Enzymatic Catalysis of Transamination

Heather Haffner

Spectroscopic study on interaction of Nymphaea nouchali leaf extract mediated bactericidal gold nanoparticles with human serum albumin

2019 / Journal of Molecular Structure

We have reported the eco-friendly gold nanoparticles (AuNPs) from 15% aqueous leaf extract of therapeutic plant Nymphaea nouchali where leaf extract acts as both… Continue reading Spectroscopic study on interaction of Nymphaea nouchali leaf extract mediated bactericidal gold nanoparticles with human serum albumin

Heather Haffner

Ethambutol targets the glutamate racemase of Mycobacterium tuberculosis—an enzyme involved in peptidoglycan biosynthesis

2019 / Applied Microbiology and Biotechnology

Increasing drug resistance in pathogens including Mycobacterium tuberculosis (MTB) has been ascribed to mutations in the known target genes. However, many of… Continue reading Ethambutol targets the glutamate racemase of Mycobacterium tuberculosis—an enzyme involved in peptidoglycan biosynthesis

Heather Haffner

Oligopeptide-binding protein from nontypeable Haemophilus influenzae has ligand-specific sites to accommodate peptides and heme in the binding pocket

2019 / Journal of Biological Chemistry

In nontypeable Haemophilus influenzae (NTHi), the oligopeptide-binding protein (OppA) serves as the substrate-binding protein (SBP) of the oligopeptide transport system responsible for… Continue reading Oligopeptide-binding protein from nontypeable Haemophilus influenzae has ligand-specific sites to accommodate peptides and heme in the binding pocket

Heather Haffner

C-Terminal Residue of Ultrashort Peptides Impacts on Molecular Self-Assembly, Hydrogelation, and Interaction with Small-Molecule Drugs

2018 / Scientific Reports

Single molecular changes on a tripeptide can have dramatic effects on their self-assembly and hydrogelation. Herein, we explore C-terminal residue variation… Continue reading C-Terminal Residue of Ultrashort Peptides Impacts on Molecular Self-Assembly, Hydrogelation, and Interaction with Small-Molecule Drugs

Heather Haffner

Interaction between Gemini Dodecyl O-Glucosides-Based Multilayer Vesicles and β-Lactoglobulin: The Dominant Role of Surface Charge

2019 / Journal of Agricultural and Food Chemistry

Novel Gemini dodecyl O-glucoside-based primary, secondary, and tertiary vesicles were developed in this work utilizing layer-by-layer deposition of polysaccharides (e.g., sodium… Continue reading Interaction between Gemini Dodecyl O-Glucosides-Based Multilayer Vesicles and β-Lactoglobulin: The Dominant Role of Surface Charge

Heather Haffner

Different effects of alpha-Synuclein mutants on lipid binding and aggregation detected by single molecule fluorescence spectroscopy and ThT fluorescence-based measurements

2019 / ACS Chemical Neuroscience

Six alpha-Synuclein point mutations are currently known to be associated with familial par-kinsonism: A30P, E46K, H50Q, G51D, A53E and A53T.… Continue reading Different effects of alpha-Synuclein mutants on lipid binding and aggregation detected by single molecule fluorescence spectroscopy and ThT fluorescence-based measurements

Heather Haffner