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List of works by Josef Cvačka

(E,E)-alpha-farnesene, an alarm pheromone of the termite Prorhinotermes canalifrons

scientific article

A Reversible NO-Triggered Multiple Metallaborane Cluster Fusion by Ligand Expulsion/Addition from (PMe2Ph)4Pt2B10H10 to Afford (PMe2Ph)8Pt8B40H40 and (PMe2Ph)5Pt4B20H20

scientific article published on 24 March 2020

A comparison of HPLC/APCI-MS and MALDI-MS for characterising triacylglycerols in insects: species-specific composition of lipids in the fat bodies of bumblebee males.

scientific article

A new triterpene from Scorzonera latifolia (Fisch. and Mey.) DC

scientific article published on 13 October 2011

Adaptive dynamics of cuticular hydrocarbons in Drosophila

scientific article

Additional minor ecdysteroid components of Leuzea carthamoides.

scientific article

Alarm communication predates eusociality in termites

scientific article published on 21 January 2023

An organometallic route to long helicenes

scholarly article

Analysis of (O-acyl) alpha- and omega-hydroxy fatty acids in vernix caseosa by high-performance liquid chromatography-Orbitrap mass spectrometry

scientific article published on 06 January 2020

Analysis of 1,2-diol diesters in vernix caseosa by high-performance liquid chromatography - atmospheric pressure chemical ionization mass spectrometry.

scientific article

Analysis of insect cuticular hydrocarbons using matrix-assisted laser desorption/ionization mass spectrometry.

scientific article published in February 2006

Analysis of wax ester molecular species by high performance liquid chromatography/atmospheric pressure chemical ionisation mass spectrometry.

scientific article

Analysis of wax esters by silver-ion high-performance liquid chromatography-tandem mass spectrometry

scientific article published on 20 June 2013

Anti-inflammatory Activity of Natural Geranylated Flavonoids: Cyclooxygenase and Lipoxygenase Inhibitory Properties and Proteomic Analysis

scientific article

Antibacterial C-geranylflavonoids from Paulownia tomentosa Fruits.

scientific article

Applicability of low-flow APCI and APPI mass spectrometry with a microfabricated nebulizer for neutral lipids.

scientific article published on 18 February 2018

Application of matrix-assisted laser desorption/ionization mass spectrometry imaging in combination with LC-MS in pharmacokinetic study of metformin

scientific article published on 15 December 2017

Assessment of Chemical Impact of Invasive Bryozoan Pectinatella magnifica on the Environment: Cytotoxicity and Antimicrobial Activity of P. magnifica Extracts. ⬇️

scientific article

Asymmetric synthesis of [7]helicene-like molecules

scientific article published on 01 June 2005

Atmospheric pressure chemical ionization mass spectrometry at low flow rates: Importance of ion source housing

scientific article published on 08 January 2020

Beyond cuticular hydrocarbons: evidence of proteinaceous secretion specific to termite kings and queens.

scientific article published on 25 November 2009

Changes in the composition of triacylglycerols in the fat bodies of bumblebee males during their lifetime.

scientific article

Chemical degradation of wastes of antineoplastic agents amsacrine, azathioprine, asparaginase and thiotepa ⬇️

scientific article published on May 1, 1998

Cholesteryl esters of ω-(O-acyl)-hydroxy fatty acids in vernix caseosa

scientific article published on 2 June 2017

Combining Charge-Switch Derivatization with Ozone-Induced Dissociation for Fatty Acid Analysis

scientific article published on 25 July 2019

Comparative study of the labial gland secretion in termites (Isoptera)

scientific article

Copper(I)-directed formation of a cyclic pseudorotaxane tetramer and its trimeric homologue

scientific article published on 01 December 2005

Cytotoxic activity of C-geranyl compounds from Paulownia tomentosa fruits.

scientific article

Delineating species boundaries using an iterative taxonomic approach: the case of soldierless termites (Isoptera, Termitidae, Apicotermitinae).

scientific article

Desorption atmospheric pressure photoionization high-resolution mass spectrometry: a complementary approach for the chemical analysis of atmospheric aerosols

scientific article published in July 2015

Determination of doxazosin and verapamil in human serum by fast LC-MS/MS: application to document non-compliance of patients.

scientific article published on 23 October 2010

Development of a fast LC-MS/MS method for quantification of rilmenidine in human serum: elucidation of fragmentation pathways by HRMS.

scientific article published on October 2010

Dinucleoside polyphosphates act as 5'-RNA caps in bacteria

scientific article published on 26 February 2020

Dual Substrate Specificity of the Rutinosidase from Aspergillus niger and the Role of Its Substrate Tunnel

scientific article published on 07 August 2020

Effects of 2,3-Dehydrosilybin and Its Galloyl Ester and Methyl Ether Derivatives on Human Umbilical Vein Endothelial Cells

scientific article published on 25 March 2016

Evaluation of anti-inflammatory activity of prenylated substances isolated from Morus alba and Morus nigra

scientific article published on 05 June 2014

Explosive backpacks in old termite workers.

scientific article

Fatty acids from pool lipids as possible precursors of the male marking pheromone in bumblebees.

scientific article published on 21 February 2014

Feasibility of desorption atmospheric pressure photoionization and desorption electrospray ionization mass spectrometry to monitor urinary steroid metabolites during pregnancy

scientific article published on 24 March 2015

Identification by GC-EAD of the two-component trail-following pheromone of Prorhinotermes simplex (Isoptera, Rhinotermitidae, Prorhinotermitinae).

scientific article published on 3 May 2009

Identification of the double-bond position in fatty acid methyl esters by liquid chromatography/atmospheric pressure chemical ionisation mass spectrometry

scientific article

Inhibition of GlcNAc-processing glycosidases by C-6-azido-NAG-thiazoline and its derivatives

scientific article published on 20 March 2014

Ion Source with Laser Triangulation for Ambient Mass Spectrometry of Nonplanar Samples

scientific article

Localization of double bonds in triacylglycerols using high-performance liquid chromatography/atmospheric pressure chemical ionization ion-trap mass spectrometry

scientific article

Localization of double bonds in wax esters by high-performance liquid chromatography/atmospheric pressure chemical ionization mass spectrometry utilizing the fragmentation of acetonitrile-related adducts

scientific article

Mass spectrometry imaging of free-floating brain sections detects pathological lipid distribution in a mouse model of Alzheimer's-like pathology

scientific article published on 21 May 2020

Mass spectrometry imaging of surface lipids on intact Drosophila melanogaster flies

scientific article

Matrix-assisted laser desorption/ionization analysis of lipids and high molecular weight hydrocarbons with lithium 2,5-dihydroxybenzoate matrix.

scientific article published in January 2003

Minor C-geranylated flavanones from Paulownia tomentosa fruits with MRSA antibacterial activity.

scientific article

Multimerization rules for G-quadruplexes.

scientific article published on September 2017

New MALDI matrices based on lithium salts for the analysis of hydrocarbons and wax esters.

scientific article published in July 2014

Newborn boys and girls differ in the lipid composition of vernix caseosa

scientific article (publication date: 2014)

Nitroalkenes and sesquiterpene hydrocarbons from the frontal gland of three prorhinotermes termite species.

scientific article

Nonadecadienone, a new termite trail-following pheromone identified in Glossotermes oculatus (Serritermitidae).

scientific article published on 10 August 2011

Nonhydroxylated 1-O-acylceramides in vernix caseosa

scientific article published on 25 September 2018

Novel antimicrobial peptides from the venom of the eusocial bee Halictus sexcinctus (Hymenoptera: Halictidae) and their analogs.

scientific article

Nuclear phosphatidylinositol 4,5-bisphosphate islets contribute to efficient RNA polymerase II-dependent transcription.

scientific article published on 5 March 2018

Oxidation of the carcinogenic non-aminoazo dye 1-phenylazo-2-hydroxy-naphthalene (Sudan I) by cytochromes P450 and peroxidases: a comparative study.

scientific article published on 28 September 2009

Photodegradation of 1-nitropyrene in solution and in the adsorbed state.

scientific article

Regioisomeric analysis of triacylglycerols using silver-ion liquid chromatography-atmospheric pressure chemical ionization mass spectrometry: comparison of five different mass analyzers

scientific article

Residues of diflubenzuron on horse chestnut (Aesculus hippocastanum) leaves and their efficacy against the horse chestnut leafminer, Cameraria ohridella.

scientific article published on March 2006

Scanning electron microscopic imaging of surface effects in desorption and nano-desorption electrospray ionization

scientific article published on 01 March 2011

Silychristin: Skeletal Alterations and Biological Activities

scientific article

Structural Characterization of Unusual Fatty Acid Methyl Esters with Double and Triple Bonds Using HPLC/APCI-MS2 with Acetonitrile In-Source Derivatization

scientific article published in 2021

Structural characterization of wax esters by electron ionization mass spectrometry.

scientific article published on 4 November 2011

Structural identification of an anthrasteroid hydrocarbon from the sheep tick Ixodes ricinus.

scientific article published in August 2006

Studies of long chain lipids in insects by high temperature gas chromatography and high temperature gas chromatography-mass spectrometry.

scientific article

Stylopsal: the first identified female-produced sex pheromone of strepsiptera.

scientific article published on 11 November 2012

Sulfated Metabolites of Flavonolignans and 2,3-Dehydroflavonolignans: Preparation and Properties

scientific article published on 09 August 2018

Sulfo-N-succinimidyl oleate (SSO) inhibits fatty acid uptake and signaling for intracellular calcium via binding CD36 lysine 164: SSO also inhibits oxidized low density lipoprotein uptake by macrophages

scientific article

Temperature-programmed capillary-HPLC/atmospheric pressure chemical ionization-MS for analysis of fatty acid methyl esters

scientific article published on 11 April 2020

The detection and mapping of the spatial distribution of insect defense compounds by desorption atmospheric pressure photoionization Orbitrap mass spectrometry

scientific article published on 6 July 2015

The matrix-assisted laser desorption/ionisation in-source decay of peptides using ion mobility enabled quadrupole-time-of-flight mass spectrometry

article

Thin-Layer Chromatography/Desorption Atmospheric Pressure Photoionization Orbitrap Mass Spectrometry of Lipids

scientific article published on 2 December 2016

Tomentomimulol and mimulone B: Two newC-geranylated flavonoids fromPaulownia tomentosafruits ⬇️

scientific article published on May 1, 2012

Total synthesis, proof of absolute configuration, and biosynthetic origin of stylopsal, the first isolated sex pheromone of strepsiptera.

scientific article

Transition metal complexes bearing NHC ligands substituted with secondary polyfluoroalkyl groups

scientific article published on 16 September 2015

Transition-metal-complexed cyclic [3]- and [4]pseudorotaxanes containing rigid ring-and-filament conjugates: synthesis and solution studies

scientific article published on 25 March 2011

Turkish Scorzonera Species Extracts Attenuate Cytokine Secretion via Inhibition of NF-κB Activation, Showing Anti-Inflammatory Effect in Vitro.

scientific article published on 30 December 2015

Unusual fatty acids in the fat body of the early nesting bumblebee, Bombus pratorum.

scientific article published on 26 March 2008

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