Phlenumdines D and E, new Lycopodium alkaloids from Phlegmariurus nummulariifolius, and their regulatory effects on macrophage differentiation during tumor development

2019 / Phytochemistry Letters

Two new Lycopodium alkaloids, phlenumdines D (1) and E (2), have been isolated from the club moss Phlegmariurus nummulariifolius (Blume) Ching along with ten… Continue reading Phlenumdines D and E, new Lycopodium alkaloids from Phlegmariurus nummulariifolius, and their regulatory effects on macrophage differentiation during tumor development

Heather Haffner

β-sheet to α-helix conversion and thermal stability of β-Galactosidase encapsulated in a nanoporous silica gel

2019 / Biochemical and Biophysical Research Communications

The effect on protein conformation and thermal stability was studied for β-Galactosidase (β-Gal) encapsulated in the nanopores of a silicate matrix (Eβ-Gal). Circular dichroism spectra showed that, compared… Continue reading β-sheet to α-helix conversion and thermal stability of β-Galactosidase encapsulated in a nanoporous silica gel

Heather Haffner

Structural and Functional Assessment of mBjAMP1, an Antimicrobial Peptide from Branchiostoma japonicum, Revealed a Novel α-Hairpinin-like Scaffold with Membrane Permeable and DNA Binding Activity

2018 / Journal of Medicinal Chemistry

Here we describe the three-dimensional structure and antimicrobial mechanism of mBjAMP1, an antimicrobial peptide (AMP) isolated from Branchiostoma japonicum. The structure… Continue reading Structural and Functional Assessment of mBjAMP1, an Antimicrobial Peptide from Branchiostoma japonicum, Revealed a Novel α-Hairpinin-like Scaffold with Membrane Permeable and DNA Binding Activity

Heather Haffner

Two new bisabolane-type sesquiterpenoids from the cooking liquid of Curcuma longa rhizomes

2019 / Phytochemistry Letters

Two new bisabolane-type sesquiterpenoids, (3R,4S,5R,7S)-3,4,5-trihydroxybisabola-10-ene-9-one (1), (1R,2S,5R,7R,8S)-2,8-epoxy-5-hydroxybisabola-3,10-diene-9-one (2), together with seven known anologues (3–9), were isolated from the cooking liquid… Continue reading Two new bisabolane-type sesquiterpenoids from the cooking liquid of Curcuma longa rhizomes

Heather Haffner

Polyfluorene-Based Bioconjugates for Selective Detection of Ferritin in Normal and Cancer Human Blood Serums

2018 / ACS Applied Polymer Materials

A new highly conjugated polymer–bioconjugate poly[9,9-bis(6′-adenine) hexyl)fluorene-co-4,7-(2,1,3 benzothiadiazole)] (PFBT-A) is developed using the well-known Pd(PPh3)4-catalyzed Suzuki cross-coupling polymerization reaction with… Continue reading Polyfluorene-Based Bioconjugates for Selective Detection of Ferritin in Normal and Cancer Human Blood Serums

Heather Haffner

Lithium hexamethyldisilazide initiated superfast ring opening polymerization of alpha-amino acid N-carboxyanhydrides

2018 / Nature Communications

Polypeptides have broad applications and can be prepared via ring-opening polymerization of α-amino acid N-carboxyanhydrides (NCAs). Conventional initiators, such as primary amines,… Continue reading Lithium hexamethyldisilazide initiated superfast ring opening polymerization of alpha-amino acid N-carboxyanhydrides

Heather Haffner

Crystal structure and mutation analysis revealed that DREP2 CIDE forms a filament-like structure with features differing from those of DREP4 CIDE

2018 / Scientific Reports

Cell death-inducing DFF45-like effect (CIDE) domain-containing proteins, DFF40, DFF45, CIDE-A, CIDE-B, and FSP27, play important roles in apoptotic DNA fragmentation… Continue reading Crystal structure and mutation analysis revealed that DREP2 CIDE forms a filament-like structure with features differing from those of DREP4 CIDE

Heather Haffner

Association of high pressure and alkaline condition for solubilization of inclusion bodies and refolding of the NS1 protein from zika virus

2018 / BMC Technology

Proteins in inclusion bodies (IBs) present native-like secondary structures. However, chaotropic agents at denaturing concentrations, which are widely used for… Continue reading Association of high pressure and alkaline condition for solubilization of inclusion bodies and refolding of the NS1 protein from zika virus

Heather Haffner

Chiroptical Inversion of Europium(III) Complexes by Changing a Remote Stereogenic Center of a C2-Symmetric Bispyrrolidinoindoline Manifold

2018 / The Journal of Organic Chemistry

As an effort to integrate natural products chemistry and coordination chemistry, a diastereomeric pair of chiral alkaloidal manifolds composed of… Continue reading Chiroptical Inversion of Europium(III) Complexes by Changing a Remote Stereogenic Center of a C2-Symmetric Bispyrrolidinoindoline Manifold

Heather Haffner