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Showing 25 to 36 of 65 entries
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Time-of-flight mass spectrometry: State-of the-art in chemical analysis and molecular science.

Mass spectrometry reviews

Weickhardt C, Moritz F, Grotemeyer J.
PMID: 27082512
Mass Spectrom Rev. 1996;15(3):139-62. doi: 10.1002/(SICI)1098-2787(1996)15:3<139::AID-MAS1>3.0.CO;2-J.

Time-of-flight instruments form a well-established group of mass spectrometers, with its popularity still increasing. This article gives a survey of the technical basics and important instrumental developments in this field. Special notice is taken of factors that limit the...

Complexity against current cancer research: Are we on the wrong track?.

International journal of cancer

Kasikci Y, Gronemeyer H.
PMID: 34921726
Int J Cancer. 2021 Dec 18; doi: 10.1002/ijc.33912. Epub 2021 Dec 18.

Cancer genetics has led to major discoveries, including protooncogene and tumor-suppressor concepts, and cancer genomics generated concepts like driver and passenger genes, revealed tumor heterogeneity and clonal evolution. Reconstructing trajectories of tumorigenesis using spatial and single-cell genomics is possible....

Preface to the special issue of Mass Spectrometry Reviews.

Mass spectrometry reviews

Kuck D, Grotemeyer J.
PMID: 27862143
Mass Spectrom Rev. 2017 Jan;36(1):3. doi: 10.1002/mas.21526. Epub 2016 Nov 09.

No abstract available.

Determination of the binding energies in aromatic clusters: resonance-enhanced multi- photon ionization and mass analyzed threshold ionization investigation of the dichlorobenzene-argon complexes.

European journal of mass spectrometry (Chichester, England)

Gaber A, Riese M, Witte F, Grotemeyer J.
PMID: 19423920
Eur J Mass Spectrom (Chichester). 2009;15(2):349-59. doi: 10.1255/ejms.990.

Resonance-enhanced multi-photon ionization (REMPI) and mass-analyzed threshold ionization (MATI) spectroscopic investigations were applied to the van der Waals complexes of the three dichlorobenzene isomers with argon. From the REMPI spectra it is concluded that the argon atom is shifted...

Patient-matched analysis identifies deregulated networks in prostate cancer to guide personalized therapeutic intervention.

American journal of cancer research

Kumar A, Kasikci Y, Badredine A, Azzag K, Quintyn Ranty ML, Zaidi F, Aragou N, Mazerolles C, Malavaud B, Mendoza-Parra MA, Vandel L, Gronemeyer H.
PMID: 34873462
Am J Cancer Res. 2021 Nov 15;11(11):5299-5318. eCollection 2021.

Prostate cancer (PrCa) is the second most common malignancy in men. More than 50% of advanced prostate cancers display the TMPRSS2-ERG fusion. Despite extensive cancer genome/transcriptome data, little is known about the impact of mutations and altered transcription on...

Tutorial: the secrets of time-of flight mass spectrometry revealed.

European journal of mass spectrometry (Chichester, England)

Uphoff A, Grotemeyer J.
PMID: 12939493
Eur J Mass Spectrom (Chichester). 2003;9(3):151-64. doi: 10.1255/ejms.545.

No abstract available.

UV-laser ablation of ionic liquid matrices.

Analytical and bioanalytical chemistry

Hellwig N, Thrun A, Muskat T, Grotemeyer J.
PMID: 19688339
Anal Bioanal Chem. 2009 Dec;395(8):2457-63. doi: 10.1007/s00216-009-3030-3.

Ionic liquid matrices are a new class of matrices used in MALDI mass spectrometry. The ablation process of several ionic liquid matrices was studied by determining the velocity distribution of ablated neutral matrix molecules. This was done by a...

Studies of the First Electronically Excited State of 3-Fluoropyridine and Its Ionic Structure by Means of REMPI, Two-Photon MATI, One-Photon VUV-MATI Spectroscopy and Franck-Condon Analysis.

Physical chemistry chemical physics : PCCP

Helle N, Raeker T, Grotemeyer J.
PMID: 35019908
Phys Chem Chem Phys. 2022 Jan 12; doi: 10.1039/d1cp04636e. Epub 2022 Jan 12.

3-Fluoropyridine (3-FP) has been investigated by means of two-photon resonance-enhanced multi photon ionization (REMPI), mass-analyzed threshold ionization (MATI) and one-photon vacuum-ultraviolet (VUV) MATI spectroscopy. The aim was the determination of the effect of

Dual RXR Agonists and RAR Antagonists Based on the Stilbene Retinoid Scaffold.

ACS medicinal chemistry letters

Martínez C, Lieb M, Alvarez S, Rodríguez-Barrios F, Alvarez R, Khanwalkar H, Gronemeyer H, de Lera AR.
PMID: 24900875
ACS Med Chem Lett. 2014 Mar 19;5(5):533-7. doi: 10.1021/ml400521f. eCollection 2014 May 08.

Arotinoids containing a C5,C8-diphenylnaphthalene-2-yl ring linked to a (C3-halogenated) benzoic acid via an ethenyl connector (but not the corresponding naphthamides), which are prepared by Horner-Wadsworth-Emmons reaction of naphthaldehydes and benzylphosphonates, display the rather unusual property of being RXR agonists...

Photodissociation mass spectra and mass-selected resonant (1+1)-photodissociation spectroscopy of some alkyl iodide radical cations.

European journal of mass spectrometry (Chichester, England)

Schüttig H, Grotemeyer J.
PMID: 22173539
Eur J Mass Spectrom (Chichester). 2011;17(5):465-75. doi: 10.1255/ejms.1150.

Photodissociation (PD) mass spectra and mass selected (1+1)-photodissociation spectra of C(2)H(5)I(+•), C(2)D(5)I(+•),1- C(3)H(7)I(+•), 2-C(3)H(7)I(+•), 1-C(4)H(9)I(+•) and 2- C(4)H(9)I(+•) radical cations were studied within the à ← X~ absorption band. The photodissociation mass spectra within the range 13,600-15,900 cm(-1) (1.68-1.97...

Antibody performance in ChIP-sequencing assays: From quality scores of public data sets to quantitative certification.

F1000Research

Mendoza-Parra MA, Saravaki V, Cholley PE, Blum M, Billoré B, Gronemeyer H.
PMID: 27335635
F1000Res. 2016 Jan 12;5:54. doi: 10.12688/f1000research.7637.1. eCollection 2016.

We have established a certification system for antibodies to be used in chromatin immunoprecipitation assays coupled to massive parallel sequencing (ChIP-seq). This certification comprises a standardized ChIP procedure and the attribution of a numerical quality control indicator (QCi) to...

Fragmentation studies on metastable diethylaniline derivatives using mass-analyzed ion kinetic energy spectrometry.

European journal of mass spectrometry (Chichester, England)

Seulen S, Grotemeyer J.
PMID: 29096543
Eur J Mass Spectrom (Chichester). 2018 Feb;24(1):12-22. doi: 10.1177/1469066717740113. Epub 2017 Nov 03.

It is well known that small substituted aromatic amines lose their substituents after electron ionization in a multistep fragmentation mechanism. In this contribution, the fragmentation reactions of N,N-diethyl-aniline and different methyl-substituted N,N-diethyl-methyl-aniline isomers are investigated with respect to the...

Showing 25 to 36 of 65 entries