[HTML][HTML] The role of counter-ions in peptides—an overview

K Sikora, M Jaśkiewicz, D Neubauer, D Migoń… - Pharmaceuticals, 2020‏ - mdpi.com
Peptides and proteins constitute a large group of molecules that play multiple functions in
living organisms. In conjunction with their important role in biological processes and …

Critical compilation of pKa values for pharmaceutical substances

RJ Prankerd - Profiles of drug substances, excipients and related …, 2007‏ - Elsevier
Publisher Summary There are numerous compilations of pK a values in the physical
chemistry literature, including several for pharmaceutically relevant organic weak acids and …

pH-sensitive surfactants from lysine: Assessment of their cytotoxicity and environmental behavior

A Colomer, A Pinazo, MT García, M Mitjans… - Langmuir, 2012‏ - ACS Publications
The toxicity and environmental behavior of new pH-sensitive surfactants from lysine are
presented. Three different chemical structures are studied: surfactants with one amino acid …

Simple SPR-based colorimetric sensor to differentiate Mg2+ and Ca2+ in aqueous solutions

A Amirjani, K Salehi, SK Sadrnezhaad - Spectrochimica Acta Part A …, 2022‏ - Elsevier
L-tryptophan functionalized AgNPs were successfully fabricated using a one-pot synthesis
method and assessed as a colorimetric probe for rapid and accurate determination of Mg 2+ …

Anion complexes with tetrazine-based ligands: formation of strong anion− π interactions in solution and in the solid state

M Savastano, C Bazzicalupi, C Giorgi… - Inorganic …, 2016‏ - ACS Publications
Ligands L1 and L2, consisting of a tetrazine ring decorated with two morpholine pendants of
different lengths, show peculiar anion-binding behaviors. In several cases, even the neutral …

The Role of the Amino Acid Molecular Characteristics on the Formation of Fluorescent Gold‐and Silver‐Based Nanoclusters

R Bélteki, L Kuklis, G Gombár, D Ungor… - … –A European Journal, 2023‏ - Wiley Online Library
Role of amino acids like L‐phenylalanine (Phe), L‐glutamine (Gln) and L‐arginine (Arg) is
described and interpreted in terms of their potential for preparation of fluorescent molecular …

Synthesis, protonation constants and biological activity determination of amino acid–salicylaldehyde-derived Schiff bases

C Fattuoni, S Vascellari, T Pivetta - Amino Acids, 2020‏ - Springer
Schiff bases represent a class of molecules widely studied for their importance in organic
and coordination chemistry. Despite the large amount of studies on the chemical and …

Investigation on the self-assembled behaviors of C 18 unsaturated fatty acids in arginine aqueous solution

Y Wang, L Jiang, Q Shen, J Shen, Y Han, H Zhang - RSC Advances, 2017‏ - pubs.rsc.org
In the field of drug delivery, there is growing concern over the self-assembly of fatty acids,
since their structures and properties are similar to liposomes, which are characteristically …

[HTML][HTML] Fluorescence quenching of tyrosine-Ag nanoclusters by metal ions: analytical and physicochemical assessment

D Ungor, R Bélteki, K Horváth, O Dömötör… - International Journal of …, 2022‏ - mdpi.com
A new synthesis method is described for the first time to produce silver nanoclusters
(AgNCs) by using the tyrosine (Tyr) amino acid. Several important parameters (eg, molar …

Thermodynamic study of some amino acids, 2-aminopropanoic acid, 2-amino-3-methylbutanoic acid, 2-amino-4-methylpentanoic acid, and 2-amino-3 …

A Pal, N Chauhan - Journal of Chemical & Engineering Data, 2011‏ - ACS Publications
Knowledge of thermodynamic properties of amino acids in aqueous medium can provide
valuable information about the stabilization mechanism of proteins. In this study, we report …