Filtros de búsqueda

Lista de obras de Ivo Leito

2,5-Dihydroxybenzoic acid solution in MALDI-MS: ageing and use for mass calibration

artículo científico publicado en 2014

A Unified pH Scale for All Phases

artículo científico publicado en 2010

A comprehensive self-consistent spectrophotometric acidity scale of neutral Brønsted acids in acetonitrile

artículo científico publicado en 2006

A highly accurate method for determination of dissolved oxygen: Gravimetric Winkler method ⬇️

artículo científico publicado el 6 de julio de 2012

A new class of organosuperbases, N-alkyl- and N-aryl-1,3-dialkyl-4,5-dimethylimidazol-2-ylidene amines: synthesis, structure, pK(BH+) measurements, and properties

A review of analytical techniques for determination of Sudan I-IV dyes in food matrixes

artículo científico publicado en 2010

A unified view to Brønsted acidity scales: do we need solvated protons?

artículo científico publicado en 2017

ATR-FT-IR spectroscopy in the region of 500-230 cm(-1) for identification of inorganic red pigments.

artículo científico publicado en 2009

ATR-FT-IR spectroscopy in the region of 550-230 cm(-1) for identification of inorganic pigments

artículo científico

Accounting for matrix effects of pesticide residue liquid chromatography/electrospray ionisation mass spectrometric determination by treatment of background mass spectra with chemometric tools ⬇️

artículo científico publicado el 15 de mayo de 2011

Accurate Method To Quantify Binding in Supramolecular Chemistry

Acid-base equilibria in nonpolar media. 2.(1) Self-consistent basicity scale in THF solution ranging from 2-methoxypyridine to EtP(1)(pyrr) phosphazene

artículo científico publicado en 2002

Acid-base equilibria in nonpolar media. 3. Expanding the spectrophotometric acidity scale in heptane

artículo científico publicado en 2003

Acid-base equilibria in nonpolar media. 4. Extension of the self-consistent basicity scale in THF medium. Gas-phase basicities of phosphazenes

artículo científico publicado en 2003

Acidities of strong neutral Brønsted acids in different media

Acidity constants in different media (I=0 and I=0.1 M KCl) from the uncertainty perspective

artículo científico publicado en 2006

Acidity of Strong Acids in Water and Dimethyl Sulfoxide

artículo científico publicado en 2016

Acidity of anilines: calculations vs experiment

artículo científico publicado en 2011

Acid−Base Equilibria in Nonpolar Media. 1. A Spectrophotometric Method for Acidity Measurements in Heptane ⬇️

artículo científico publicado el 28 de noviembre de 1997

Analysis of dammar resin with MALDI-FT-ICR-MS and APCI-FT-ICR-MS.

artículo científico publicado en 2012

Analysis of selenomethylselenocysteine and selenomethionine by LC-ESI-MS/MS with diethyl ethoxymethylenemalonate derivatization ⬇️

artículo científico publicado el 24 de octubre de 2011

Application of the Nordtest method for "real-time" uncertainty estimation of on-line field measurement

artículo científico publicado en 2015

Applying the unified pH scale: absolute acidities in the gas phase and anchor points for eleven representative liquid media.

artículo científico publicado en 2012

Approaching sub-ppm-level asymmetric organocatalysis of a highly challenging and scalable carbon-carbon bond forming reaction

scientific article published on 09 July 2018

Basicities of Strong Bases in Water: A Computational Study

Basicity of Phosphanes and Diphosphanes in Acetonitrile

Basicity of Very Weak Bases in 1,2-Dichloroethane

artículo científico publicado en 2016

Bias in clinical chemistry

artículo científico publicado en 2014

Biodegradation efficiency of functionally important populations selected for bioaugmentation in phenol- and oil-polluted area

artículo científico publicado en 2004

Combating matrix effects in LC/ESI/MS: the extrapolative dilution approach

artículo científico publicado en 2009

Comparative validation of amperometric and optical analyzers of dissolved oxygen: a case study

artículo científico publicado en 2018

Conformational Switching of a Foldamer in a Multicomponent System by pH-Filtered Selection between Competing Noncovalent Interactions

artículo científico publicado en 2015

Covalent attachment of polymeric monolith to polyether ether ketone (PEEK) tubing.

artículo científico publicado en 2016

Design, synthesis and application of carbazole macrocycles in anion sensors

scientific article published on 04 August 2020

Determination of neonicotinoids in Estonian honey by liquid chromatography-electrospray mass spectrometry

artículo científico publicado en 2016

Differences in extracellular glutamate levels in striatum of rats with high and low exploratory activity

artículo científico publicado en 2015

Dissolved Oxygen Concentration Interlaboratory Comparison: What Can We Learn?

EACH (Excellence in Analytical Chemistry), an Erasmus Mundus Joint Programme: progress and success

scientific article published on 01 September 2019

ESI outcompetes other ion sources in LC/MS trace analysis

scientific article published on 26 April 2019

Effect of mobile phase on electrospray ionization efficiency

artículo científico publicado en 2014

Electrospray ionization matrix effect as an uncertainty source in HPLC/ESI-MS pesticide residue analysis

artículo científico publicado en 2010

Enhanced nebulization efficiency of electrospray mass spectrometry: improved sensitivity and detection limit

artículo científico publicado en 2012

Ensuring repeatability and robustness of poly(glycidyl methacrylate-co-ethylene dimethacrylate) HPLC monolithic columns of 3 mm id through covalent bonding to the column wall

artículo científico publicado en 2013

Equilibrium Acidities of Superacids

artículo científico publicado en 2011

Establishing Atmospheric Pressure Chemical Ionization Efficiency Scale

artículo científico publicado en 2016

Estimation of uncertainty in pKa values determined by potentiometric titration

artículo científico publicado en 2004

Evaluating the COSMO-RS method for modeling hydrogen bonding in solution

artículo científico publicado en 2013

Evaluation of the residual liquid junction potential contribution to the uncertainty in pH measurement: a case study on low ionic strength natural waters

artículo científico publicado en 2010

Experimental Basicities of Phosphazene, Guanidinophosphazene, and Proton Sponge Superbases in the Gas Phase and Solution

artículo científico publicado en 2016

Extension of the self-consistent spectrophotometric basicity scale in acetonitrile to a full span of 28 pKa units: unification of different basicity scales

artículo científico publicado en 2005

Gas-Phase Brønsted Superacidity of Some Derivatives of Monocarba-closo-Borates: a Computational Study

Gas-phase basicities around and below water revisited

artículo científico publicado en 2010

Generalization of Acid-Base Diagrams Based on the Unified pH-Scale

scientific article published on 26 June 2019

Generalized principle of designing neutral superstrong Brønsted acids

artículo científico publicado en 2002

Guanidinophosphazenes: design, synthesis, and basicity in THF and in the gas phase

artículo científico publicado en 2005

Highly Acidic Conjugate-Base-Stabilized Carboxylic Acids Catalyze Enantioselective oxa-Pictet-Spengler Reactions with Ketals

scientific article published on 10 December 2019

Hydrogen-Bond Donicity in DMSO and Gas Phase and Its Dependence on Brønsted Acidity

artículo científico publicado en 2016

Identification and classification of textile fibres using ATR-FT-IR spectroscopy with chemometric methods

artículo científico publicado en 2016

Influence of Water Content on Basicities in Acetonitrile

article published in 2014

Influence of Water Content on the Acidities in Acetonitrile. Quantifying Charge Delocalization in Anions ⬇️

artículo científico publicado el 4 de noviembre de 2010

Ionization efficiency ladders as tools for choosing ionization mode and solvent in liquid chromatography/mass spectrometry

artículo científico publicado en 2019

MALDI-FT-ICR-MS for archaeological lipid residue analysis

artículo científico publicado en 2017

Matrix effects in pesticide multi-residue analysis by liquid chromatography-mass spectrometry

artículo científico publicado en 2008

Measurement uncertainty estimation in amperometric sensors: a tutorial review

artículo científico

Method development for the analysis of resinous materials with MALDI-FT-ICR-MS: novel internal standards and a new matrix material for negative ion mode

artículo científico publicado en 2017

Micro-Winkler titration method for dissolved oxygen concentration measurement

artículo científico publicado en 2009

On the Basicity of Conjugated Nitrogen Heterocycles in Different Media

On the acidity and reactivity of highly effective chiral Brønsted acid catalysts: establishment of an acidity scale

artículo científico publicado en 2013

Optimization of electrospray interface and quadrupole ion trap mass spectrometer parameters in pesticide liquid chromatography/electrospray ionization mass spectrometry analysis

artículo científico publicado en 2010

Pentakis(trifluoromethyl)benzenediazonium Cation: A Useful Building Block for the Syntheis of Trifluoromethyl-Substituted Derivatives

artículo científico publicado en 2013

Pentakis(trifluoromethyl)phenyl, a sterically crowded and electron-withdrawing group: synthesis and acidity of pentakis(trifluoromethyl)benzene, -toluene, -phenol, and -aniline

artículo científico publicado en 2008

Polytrifluoromethylation versus polyfluorination of the isomers of Kekulé benzene and phenol: a theoretical study

artículo científico publicado en 2010

Predicting Relative Stability of Conformers in Solution with COSMO-RS.

artículo científico publicado en 2017

Prediction of acidity in acetonitrile solution with COSMO-RS

artículo científico publicado en 2009

Prediction of partition and distribution coefficients in various solvent pairs with COSMO-RS

artículo científico publicado en 2018

Quantifying uncertainty in measurement of mercury in suspended particulate matter by cold vapor technique using atomic absorption spectrometry with hydride generator

scientific article published on 11 September 2013

Quantitative non-destructive analysis of paper fillers using ATR-FT-IR spectroscopy with PLS method

artículo científico publicado en 2019

Quantum chemical calculations on a unified pH scale for all phases.

artículo científico publicado en 2011

Rapid Determination of Meropenem in Biological Fluids by LC: Comparison of Various Methods for Sample Preparation and Investigation of Meropenem Stability

Retention of acidic and basic analytes in reversed phase column using fluorinated and novel eluent additives for liquid chromatography-tandem mass spectrometry

scientific article published on 01 November 2019

Simple and scalable synthesis of the carborane anion CB11H12

artículo científico publicado en 2019

Social food here and hereafter: Multiproxy analysis of gender-specific food consumption in conversion period inhumation cemetery at Kukruse, NE-Estonia

artículo científico publicado en 2018

Sodium adduct formation efficiency in ESI source

artículo científico publicado en 2013

Solute‐solvent and solvent‐solvent interactions in binary solvent mixtures. 2. Effect of temperature on the ET(30) polarity parameter of dipolar hydrogen bond acceptor‐hydrogen bond donor mixtures

Solution and gas-phase acidities of all-trans (all-E) retinoic acid: an experimental and computational study

artículo científico publicado en 2015

Sponge Spray-Reaching New Dimensions of Direct Sampling and Analysis by MS.

artículo científico publicado en 2017

Strategy of Pseudomonas pseudoalcaligenes C70 for effective degradation of phenol and salicylate

artículo científico publicado en 2017

Study of liquid chromatography/electrospray ionization mass spectrometry matrix effect on the example of glyphosate analysis from cereals ⬇️

artículo científico publicado el 15 de noviembre de 2011

Substituent Effects on the Basicity of 3,7-Diazabicyclo[3.3.1]nonanes

article published in 2006

Superacidity of closo-Dodecaborate-Based Brønsted Acids: a DFT Study

Superbasicity of a bis-guanidino compound with a flexible linker: a theoretical and experimental study

artículo científico publicado en 2009

Systematic Optimization of Liquid-Liquid Extraction for Isolation of Unidentified Components

scientific article published on 10 November 2017

The Evolution of Electrospray Generated Droplets is Not Affected by Ionization Mode.

artículo científico publicado en 2017

The Ideal Ionic Liquid Salt Bridge for the Direct Determination of Gibbs Energies of Transfer of Single Ions, Part I: The Concept

artículo científico publicado en 2017

The Ideal Ionic Liquid Salt Bridge for the Direct Determination of Gibbs Energies of Transfer of Single Ions, Part II: Evaluation of the Role of Ion Solvation and Ion Mobilities

artículo científico publicado en 2017

Think Negative: Finding the Best Electrospray Ionization/MS Mode for Your Analyte

artículo científico publicado en 2017

Towards the electrospray ionization mass spectrometry ionization efficiency scale of organic compounds

artículo científico publicado en 2008

Transferability of the electrospray ionization efficiency scale between different instruments

artículo científico publicado en 2015

Tutorial on estimating the limit of detection using LC-MS analysis, part I: Theoretical review

artículo científico publicado en 2016

Tutorial on estimating the limit of detection using LC-MS analysis, part II: Practical aspects

artículo científico publicado en 2016

Tutorial review on validation of liquid chromatography-mass spectrometry methods: part I.

artículo científico

Tutorial review on validation of liquid chromatography-mass spectrometry methods: part II.

artículo científico

Uncertainty contribution of derivatization in gas chromatography/mass spectrometric analysis

scientific article published on 16 December 2019

Uncertainty sources in UV-Vis spectrophotometric measurement

Using MOOCs for teaching analytical chemistry: experience at University of Tartu

artículo científico publicado en 2015

Utilization of data below the analytical limit of quantitation in pharmacokinetic analysis and modeling: promoting interdisciplinary debate

artículo científico publicado en 2018

Validation and extension of the gas-phase superacidity scale

artículo científico publicado en 2019

Very strong organosuperbases formed by combining imidazole and guanidine bases: synthesis, structure, and basicity

artículo científico publicado en 2013

[4-(Ph3 B)-2,6-Mes2 Py]- : A Sterically Demanding Anionic Pyridine

scientific article published on 17 October 2018

Dominio Público Uruguay está sostenido por:

Acerca de Dominio Público Uruguay

Ayuda