Klaus J Brockmann
Overview
Explore the profile of Klaus J Brockmann including associated specialties, affiliations and a list of published articles.
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Articles
13
Citations
68
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Recent Articles
1.
Kersten H, Kroll K, Haberer K, Brockmann K, Benter T, Peterson A, et al.
J Am Soc Mass Spectrom
. 2016 Jan;
27(4):607-14.
PMID: 26729450
This contribution reports on the development of an atmospheric pressure photoionization (APPI) source interfacing a gas chromatograph (GC) with a bench-top Orbitrap high resolution mass spectrometer (MS). We present efforts...
2.
Klee S, Thinius M, Brockmann K, Benter T
Rapid Commun Mass Spectrom
. 2014 Jun;
28(14):1591-600.
PMID: 24895256
Rationale: Atmospheric pressure chemical ionization (APCI) sources operated with point to plane DC discharges ('Coronas') frequently suffer from point electrode degradation and potentially lead to oxidation and/or fragmentation of the...
3.
Klee S, Derpmann V, Wissdorf W, Klopotowski S, Kersten H, Brockmann K, et al.
J Am Soc Mass Spectrom
. 2014 May;
25(8):1310-21.
PMID: 24850441
It is well documented since the early days of the development of atmospheric pressure ionization methods, which operate in the gas phase, that cluster ions are ubiquitous. This holds true...
4.
Albrecht S, Klopotowski S, Derpmann V, Klee S, Brockmann K, Stroh F, et al.
Rev Sci Instrum
. 2014 Feb;
85(1):014102.
PMID: 24517784
In this study a thermally sampling atmospheric pressure ionization mass spectrometer is described and characterized. The ion transfer stage offers the capability to sample cluster ions at thermal equilibrium and...
5.
Derpmann V, Mueller D, Bejan I, Sonderfeld H, Wilberscheid S, Koppmann R, et al.
J Am Soc Mass Spectrom
. 2014 Jan;
25(3):329-42.
PMID: 24399666
We report on a novel method for atmospheric pressure ionization of compounds with elevated electron affinity (e.g., nitroaromatic compounds) or gas phase acidity (e.g., phenols), respectively. The method is based...
6.
Kersten H, Lorenz M, Brockmann K, Benter T
J Am Soc Mass Spectrom
. 2011 Sep;
22(6):1063-9.
PMID: 21953047
The performance of a KrF* bench top excimer laser and a compact diode pumped UV solid state (DPSS) Nd:YAG laser as photo-ionizing source in LC-APLI MS is compared. The commonly...
7.
Kersten H, Derpmann V, Barnes I, Brockmann K, OBrien R, Benter T
J Am Soc Mass Spectrom
. 2011 Sep;
22(11):2070-81.
PMID: 21952756
We report on the development of a novel atmospheric pressure photoionization setup and its applicability for in situ degradation product studies of atmospherically relevant compounds. A custom miniature spark discharge...
8.
Poehler T, Kunte R, Hoenen H, Jeschke P, Wissdorf W, Brockmann K, et al.
J Am Soc Mass Spectrom
. 2011 Sep;
22(11):2061-9.
PMID: 21952755
In this study, the validation and analysis of steady state numerical simulations of the gas flows within a multi-purpose ion source (MPIS) are presented. The experimental results were obtained with...
9.
Kersten H, Funcke V, Lorenz M, Brockmann K, Benter T, OBrien R
J Am Soc Mass Spectrom
. 2009 Aug;
20(10):1868-80.
PMID: 19660964
We report on the reactions of neutral radical species [OH, Cl, O(3P), H], generated in a typical atmospheric pressure ionization (API) source upon irradiation of the sample gases with either...
10.
Schrader W, Panda S, Brockmann K, Benter T
Analyst
. 2008 Jun;
133(7):867-9.
PMID: 18575636
We report on the successful application of the recently introduced atmospheric pressure laser ionization (APLI) method as a novel tool for the analysis of crude oil and its components. Using...