Search filters

List of works by Heiko Ihmels

6-Aminoacridizinium bromide: a fluorescence probe which lights up in AT-rich regions of DNA

scientific article published on 01 September 2003

8-Styryl-substituted coralyne derivatives as DNA binding fluorescent probes

scientific article published on February 2017

9-Nitrobenzo[<i>b</i>]quinolizinium as a fluorogenic probe for the detection of nitroreductase <i>in vitro</i> and in <i>Escherichia coli</i>

scientific article published in 2022

9-donor-substituted acridizinium salts: versatile environment-sensitive fluorophores for the detection of biomacromolecules

scientific article published on 01 February 2007

A comparative study of the interactions of cationic hetarenes with quadruplex-DNA forming oligonucleotide sequences of the insulin-linked polymorphic region (ILPR).

scientific article published on 11 December 2014

A novel Hsp70 inhibitor prevents cell intoxication with the actin ADP-ribosylating Clostridium perfringens iota toxin

scientific article

Absence of 2'-deoxyguanosine-carbon 8-bound ochratoxin A adduct in rat kidney DNA monitored by isotope dilution LC-MS/MS.

scientific article

Anthryl-substituted heterocycles as acid-sensitive fluorescence probes.

scientific article published in May 2005

Cation-induced ring-opening and oxidation reaction of photoreluctant spirooxazine-quinolizinium conjugates

scientific article published on 05 May 2020

Colorimetric and Fluorimetric DNA Detection with a Hydroxystyryl-Quinolizinium Photoacid and Its Application for Cell Imaging

scientific article published on 09 September 2019

Comparative Studies on the DNA-Binding Properties of Linear and Angular Dibenzoquinolizinium Ions

article

Control of the DNA-Binding and Antiproliferative Properties of Hydroxybenzo[b]quinolizinium Derivatives with pH and Light.

scientific article

Cucurbit[8]uril/cucurbit[7]uril controlled off/on fluorescence of the acridizinium and 9-aminoacridizinium cations in aqueous solution.

scientific article published in January 2007

DNA cleavage by the Cu(II) complex of the DNA-intercalating 9-bis(pyridin-2-ylmethyl)aminobenzo[b]quinolizinium.

scientific article published on 4 August 2010

DNA–ligand interactions gained and lost: light-induced ligand redistribution in a supramolecular cascade

scientific article published on 01 March 2015

Design of a chiral mesoporous silica and its application as a host for stereoselective di-pi-methane rearrangements.

scientific article

Diazonia- and tetraazoniapolycyclic cations as motif for quadruplex-DNA ligands.

scientific article published on 15 January 2009

Diazoniapolycyclic ions inhibit the activity of topoisomerase I and the growth of certain tumor cell lines

scientific article published on November 2008

Diphenylaminostyryl-substituted quinolizinium derivatives as fluorescent light-up probes for duplex and quadruplex DNA

scientific article published on 01 June 2019

Dual Fluorescence of 2-Methoxyanthracene Derivatives

scientific article published in February 2007

Effects of anion complexation on the photoreactivity of bisureido- and bisthioureido-substituted dibenzobarrelene derivatives

scientific article published on 4 March 2011

Efficient photoinduced DNA damage by coralyne.

scientific article

Ethyl 1,6-dimethyl-2-oxo-4-(quinolin-4-yl)-1,2,3,4-tetra-hydro-pyrimidine-5-carboxyl-ate.

scientific article

Fluorimetric Detection of G-Quadruplex DNA in Solution and Adsorbed on Surfaces with a Selective Trinuclear Cyanine Dye

scientific article published on 19 September 2018

Fluorimetric detection of Mg2+ and DNA with 9-(alkoxyphenyl)benzo[b]quinolizinium derivatives

scientific article published on 09 March 2012

Governing the DNA-binding mode of styryl dyes by the length of their alkyl substituents - from intercalation to major groove binding

scientific article published on 22 December 2017

Hydroxybenzo[b]quinolizinium Ions: Water-Soluble and Solvatochromic Photoacids

scientific article published on 18 October 2016

Iboga-type alkaloids from the leaves of Tabernaemontana penduliflora (Apocynaceae)

Indolo[2,3-b]-quinolizinium bromide: an efficient intercalator with DNA-photodamaging properties

scientific article published in June 2002

Influence of DNA-binding on the photochromic equilibrium of a chromene derivative

scientific article published on 09 May 2011

Interaction of Crown Ether-Annelated Styryl Dyes with Double-Stranded DNA

scientific article published on 23 January 2015

Interactions between photoacidic 3-hydroxynaphtho[1,2-b]quinolizinium and cucurbit[7]uril: Influence on acidity in the ground and excited state

scientific article published on February 2017

Light up G-quadruplex DNA with a [2.2.2]heptamethinecyanine dye

scientific article published on 30 November 2012

Medium-dependent type selectivity in photoreactions of a crown ether-annelated dibenzobarrelene derivative

scientific article published on 01 September 2002

Mild Synthesis of Fluorosolvatochromic and Acidochromic 3-Hydroxy-4-pyridylisoquinoline Derivatives from Easily Available Substrates

scientific article published on 15 February 2019

N-Acylureido Functionality as Acceptor Substituent in Solvatochromic Fluorescence Probes: Detection of Carboxylic Acids, Alcohols, and Fluoride Ions

scientific article published in December 2005

N-aryl-9-amino-substituted acridizinium derivatives as fluorescent "light-up" probes for DNA and protein detection

scientific article published on 01 November 2005

New dyes based on amino-substituted acridizinium salts--synthesis and exceptional photochemical properties

scientific article published on 01 August 2000

Novel fluorescence probes based on 2,6-donor-acceptor-substituted anthracene derivatives

scientific article published on 01 September 2000

Ochratoxin A: lack of formation of covalent DNA adducts.

scientific article published in February 2004

Oxidation of diazo compounds by dimethyl dioxirane: an extremely mild and efficient method for the preparation of labile α-oso-aldehydes

Photocontrolled DNA minor groove interactions of imidazole/pyrrole polyamides

scientific article published on 09 January 2020

Photodependent Melting of Unmodified DNA Using a Photosensitive Intercalator: A New and Generic Tool for Photoreversible Assembly of DNA Nanostructures at Constant Temperature.

scientific article published on 13 December 2015

Photoinduced formation of stable Ag-nanoparticles from a ternary ligand-DNA-Ag(+) complex.

scientific article published in March 2015

Photoinduced in situ generation of a DNA-binding benzothiazoloquinolinium derivative

scientific article published on 30 March 2012

Photoreactions of cyclic sulfite esters: Evidence for diradical intermediates

scientific article published on 30 July 2012

Photoswitchable DNA-binding properties of a photochromic spirooxazine derivative.

scientific article published on 2 July 2013

Polycyclic azoniahetarenes: assessing the binding parameters of complexes between unsubstituted ligands and G-quadruplex DNA.

scientific article

Ratiometric Detection of Water in Acetonitrile with 9-Hydroxybenzo[b]Quinolizinium as Fluorosolvatochromic Probe.

scientific article published on 2 May 2017

Regioselective Photodimerization of 9-Substituted Acridizinium Salts in the Solid State

scientific article published on 01 July 1999

Regiospecific Photocyclization of Mono- and Bis-Styryl-Substituted N-Heterocycles: A Synthesis of DNA-Binding Benzo[c]quinolizinium Derivatives

scientific article published on 15 September 2016

Relationship between the structure and the DNA binding properties of diazoniapolycyclic duplex- and triplex-DNA binders: efficiency, selectivity, and binding mode

scientific article published on 16 October 2007

Reversible photoswitching of the DNA-binding properties of styrylquinolizinium derivatives through photochromic [2 + 2] cycloaddition and cycloreversion

scientific article published on 23 January 2020

Selective detection of Hg2+ in the microenvironment of double-stranded DNA with an intercalator crown-ether conjugate.

scientific article published on 29 June 2010

Selective ratiometric detection of H2O2 in water and in living cells with boronobenzo[b]quinolizinium derivatives

scientific article published on 01 August 2014

Selective ratiometric detection of mercury(II) ions in water with an acridizinium-based fluorescent probe.

scientific article published on 23 April 2009

Selective stabilization of abasic site-containing DNA by insertion of sterically demanding biaryl ligands.

scientific article

Single crystals of the disubstituted anthracene 9,10-(Ph2P=S)2C14H8 selectively and reversibly detect toluene by solid-state fluorescence emission

scientific article published in February 2003

Spectroscopic studies on the interactions of 5-ethyl-6-phenyl-3,8-bis((3-aminoalkyl)propanamido)phenanthridin-5-ium derivatives with G-quadruplex DNA

scientific article published on 20 February 2018

Structural flexibility versus rigidity of the aromatic unit of DNA ligands: binding of aza- and azoniastilbene derivatives to duplex and quadruplex DNA

scientific article published on 21 June 2019

Studies of the fluorescence light-up effect of amino-substituted benzo[b]quinolizinium derivatives in the presence of biomacromolecules

scientific article published on 01 July 2011

Studies of the solvatochromic emission properties of N-aroylurea derivatives I: Influence of the substitution pattern.

scientific article published on 16 February 2012

Studies of the solvatochromic emission properties of N-aroylurea derivatives II: influence of hydrogen-bonding interactions.

scientific article published in December 2012

Studies on the mechanism of the photo-induced DNA damage in the presence of acridizinium salts-involvement of singlet oxygen and an unusual source for hydroxyl radicals.

scientific article

Switching off the charge transfer and closing the S1-T1 ISC channel in excited states of quinolizinium derivatives: a theoretical study.

scientific article published on 24 April 2014

Synthesis and fluorosolvatochromism of 3-arylnaphtho[1,2-b]quinolizinium derivatives.

scientific article published on 2 May 2016

Synthesis of 5-Alkyl- and 5-Phenylamino-Substituted Azothiazole Dyes with Solvatochromic and DNA-Binding Properties

scientific article published on 15 September 2019

Synthesis of 6-amino-3,4-dihydroisoquinolinium derivatives by ring-opening reactions of acridizinium ions

scientific article published on 31 January 2008

Synthesis of 9-arylalkynyl- and 9-aryl-substituted benzo[b]quinolizinium derivatives by Palladium-mediated cross-coupling reactions

scientific article published on 23 July 2018

Synthesis of cationic dibenzosemibullvalene-based phase-transfer catalysts by di-π-methane rearrangements of pyrrolinium-annelated dibenzobarrelene derivatives.

scientific article published on 26 January 2011

Synthesis, DNA-binding and antiproliferative properties of diarylquinolizinium derivatives

scientific article published on 07 January 2021

Targeting abasic site-containing DNA with annelated quinolizinium derivatives: the influence of size, shape and substituents

scientific article published in March 2014

Triplet‐Sensitized Switching of High‐Energy‐Density Norbornadienes for Molecular Solar Thermal Energy Storage with Visible Light

scientific article published on 2 November 2024

Water-soluble, pH-sensitive fluorescent probes on the basis of acridizinium ions.

scientific article published on 7 March 2008