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Sigrid Selberg

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Recent Articles
1.
Pikma M, Tshepelevitsh S, Selberg S, Kaljurand I, Leito I, Kutt A
Dalton Trans . 2024 Aug; 53(34):14226-14236. PMID: 39129417
Phosphanes play an important role in various applications, serving as a class of organic bases with basicities spanning more than 30 orders of magnitude. Accessing comprehensive basicity data for phosphanes...
2.
Bui N, Selberg S, Herodes K, Leito I
Talanta . 2022 Aug; 252:123730. PMID: 36030735
In this paper, we report about the application of a sensitive fluorescent derivatization reagent Coumarin151-N-Hydroxysuccinimidyl Carbamate (Cou151DSC) for amino compounds using high-performance liquid chromatography (HPLC) compatible with ultraviolet (UV), fluorescence...
3.
Selberg S, Vanker E, Peets P, Wright K, Tshepelevitsh S, Pagano T, et al.
Talanta . 2022 Aug; 252:123805. PMID: 36001901
Multidimensional fluorescence spectroscopy was assessed as a non-invasive and non-destructive method for the analysis of components in natural textile dyes. Results demonstrate that components in the natural dyes fluoresce and...
4.
Zapata Flores E, Bui N, Selberg S, Herodes K, Leito I
Talanta . 2022 Aug; 252:123803. PMID: 35988300
Derivatization reagents based on azobenzene containing different N-hydroxysuccinimidyl moieties- AzoB (carbamate) and AzoC (ester) - are proposed for the LC-ESI-MS analysis of free amino acids in fermented beverages and juices....
5.
Leesment A, Selberg S, Tammiste M, Vu A, Nguyen T, Taylor-King L, et al.
Anal Chem . 2022 Feb; 94(9):4059-4064. PMID: 35195999
Acidities of lipophilic compounds, such as various ligands or catalysts, in systems consisting of an aqueous phase at equilibrium with a water-immiscible phase (lipid bilayers, phase transfer catalysis, sensor membranes,...
6.
Rammo M, Trummal A, Uudsemaa M, Pahapill J, Petritsenko K, Sildoja M, et al.
Chemistry . 2021 Dec; 28(8):e202103707. PMID: 34964188
Lipophilic fluorophores are widely implemented in nonlinear microscopy; however, few existing membrane-specific probes combine the high brightness of two-photon excited fluorescence (2PEF) with pH sensitivity. Herein we describe four novel...
7.
Oss M, Tshepelevitsh S, Kruve A, Liigand P, Liigand J, Rebane R, et al.
Rapid Commun Mass Spectrom . 2021 Aug; 35(21):e9178. PMID: 34355441
Rationale: The first comprehensive quantitative scale of the efficiency of electrospray ionization (ESI) in the positive mode by monoprotonation, containing 62 compounds, was published in 2010. Several trends were found...
8.
Tammekivi E, Ghiami-Shomami A, Tshepelevitsh S, Trummal A, Ilisson M, Selberg S, et al.
J Am Soc Mass Spectrom . 2021 Mar; 32(4):1080-1095. PMID: 33726494
Monoaminoacridines (1-, 2-, 3-, 4-, and 9-aminoacridine) were studied for suitability as matrices in the negative ion mode matrix-assisted laser desorption/ionization mass spectrometry (MALDI(-)-MS) analysis of various samples. This is...