Detecting interplay of chirality, water, and interfaces for elucidating biological functions

ECY Yan, EA Perets, D Konstantinovsky… - Accounts of Chemical …, 2023 - ACS Publications
Conspectus Chemists have long been fascinated by chirality, water, and interfaces, making
tremendous progress in each research area. However, the chemistry emerging from the …

Bacterial metabolism of bile acids promotes generation of peripheral regulatory T cells

C Campbell, PT McKenney, D Konstantinovsky… - Nature, 2020 - nature.com
Intestinal health relies on the immunosuppressive activity of CD4 + regulatory T (T reg ) cells
1 . Expression of the transcription factor Foxp3 defines this lineage, and can be induced …

[BOOK][B] Evagrius Ponticus: the making of a gnostic

J Konstantinovsky - 2016 - taylorfrancis.com
A revered instructor of the eremitic monks of Nitria, Sketis and Kellia, Evagrius Ponticus is a
fascinating yet enigmatic figure in the history of fourth-century mystical thought. This …

Detecting the first hydration shell structure around biomolecules at interfaces

D Konstantinovsky, EA Perets, T Santiago… - ACS Central …, 2022 - ACS Publications
Understanding the role of water in biological processes remains a central challenge in the
life sciences. Water structures in hydration shells of biomolecules are difficult to study in situ …

[HTML][HTML] Initial steps of ferulic acid polymerization by lignin peroxidase

G Ward, Y Hadar, I Bilkis, L Konstantinovsky… - Journal of Biological …, 2001 - ASBMB
The major products of the initial steps of ferulic acid polymerization by lignin peroxidase
included three dehydrodimers resulting from β-5′ and β-β′coupling and two trimers resulting …

The mitogen-activated protein kinases (MAPK) p38 and JNK are markers of tumor progression in breast carcinoma

B Davidson, S Konstantinovsky, L Kleinberg… - Gynecologic …, 2006 - Elsevier
OBJECTIVE.: To investigate the activation of mitogen-activated protein kinases (MAPK) in
breast carcinoma effusions and to analyze its relationship to anatomic site and clinical …

Design of an electrostatic frequency map for the NH stretch of the protein backbone and application to chiral sum frequency generation spectroscopy

D Konstantinovsky, EA Perets, T Santiago… - The Journal of …, 2023 - ACS Publications
We develop an electrostatic map for the vibrational NH stretch (amide A) of the protein backbone
with a focus on vibrational chiral sum frequency generation spectroscopy (chiral SFG). …

Mirror-image antiparallel β-sheets organize water molecules into superstructures of opposite chirality

EA Perets, D Konstantinovsky, L Fu… - Proceedings of the …, 2020 - National Acad Sciences
Biomolecular hydration is fundamental to biological functions. Using phase-resolved chiral
sum-frequency generation spectroscopy (SFG), we probe molecular architectures and …

Characterizing interfaces by Voronoi tessellation

D Konstantinovsky, ECY Yan… - The Journal of …, 2023 - ACS Publications
The chemistry of interfaces differs markedly from that of the bulk. Calculation of interfacial
properties depends strongly on the definition of the interface, which can lead to ambiguous …

Altered expression of metastasis-associated and regulatory molecules in effusions from breast cancer patients: a novel model for tumor progression

B Davidson, S Konstantinovsky, S Nielsen… - Clinical cancer …, 2004 - AACR
Purpose: The aim of this study was to characterize phenotypic alterations along the
progression of breast carcinoma from primary tumor to pleural effusion through analysis of the …