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Proton-Transfer-Reaction Mass Spectrometry: Applications in Atmospheric Sciences.

Chemical reviews

Yuan B, Koss AR, Warneke C, Coggon M, Sekimoto K, de Gouw JA.
PMID: 28976748
Chem Rev. 2017 Nov 08;117(21):13187-13229. doi: 10.1021/acs.chemrev.7b00325. Epub 2017 Oct 04.

Proton-transfer-reaction mass spectrometry (PTR-MS) has been widely used to study the emissions, distributions, and chemical evolution of volatile organic compounds (VOCs) in the atmosphere. The applications of PTR-MS have greatly promoted understanding of VOC sources and their roles in...

Three new species of saddled loricariid catfishes, and a review of Hemiancistrus, Peckoltia, and allied genera (Siluriformes).

ZooKeys

Armbruster JW, Werneke DC, Tan M.
PMID: 25685026
Zookeys. 2015 Feb 02;(480):97-123. doi: 10.3897/zookeys.480.6540. eCollection 2015.

Three new species of saddled hypostomine loricariids are described. According to a recent phylogenetic analysis, these species are members of the genus Peckoltia. The species differ from all described Peckoltia except Peckoltiafurcata and Peckoltiasabaji by having the dentaries meet...

Incidence and detection of beak and feather disease virus in psittacine birds in the UAE.

Biomolecular detection and quantification

Hakimuddin F, Abidi F, Jafer O, Li C, Wernery U, Hebel Ch, Khazanehdari K.
PMID: 27077045
Biomol Detect Quantif. 2015 Nov 11;6:27-32. doi: 10.1016/j.bdq.2015.10.001. eCollection 2016 Jan.

Beak and feather disease is caused by Circovirus, which affects actively growing beak and feather cells of avian species. The disease affects mainly young birds while older birds may overcome the disease with few lasting effects. Due to lack...

A compact and low-weight sputtering unit for in situ investigations of thin film growth at synchrotron radiation beamlines.

The Review of scientific instruments

Walter P, Dippel AC, Pflaum K, Wernecke J, van den Hurk J, Blume J, Klemradt U.
PMID: 26026535
Rev Sci Instrum. 2015 May;86(5):053906. doi: 10.1063/1.4918620.

In this work, we report on a highly variable, compact, and light high-vacuum sputter deposition unit designed for in situ experiments using synchrotron radiation facilities. The chamber can be mounted at various synchrotron beamlines for scattering experiments in grazing...

A Rare Case of Isolated Cerebral Sarcoidosis Presenting as Suprasellar Mass Lesion with Salt-Wasting Hypopituitarism.

Journal of neurological surgery reports

Krenzlin H, Jussen D, Musahl C, Scheil-Bertram S, Wernecke K, Horn P.
PMID: 26251792
J Neurol Surg Rep. 2015 Jul;76(1):e140-5. doi: 10.1055/s-0035-1549310. Epub 2015 Apr 27.

Background Sarcoidosis is a systemic disorder of unknown origin characterized by noncaseating granulomas. Clinical symptoms due to central nervous system (CNS) involvement occur in 5 to 7% of all cases; subclinical involvement is more frequent. Sole CNS involvement is...

Protic anions [H(B12X12)]- (X = F, Cl, Br, I) that act as Brønsted acids in the gas phase.

Chemistry (Weinheim an der Bergstrasse, Germany)

Jenne C, Keßler M, Warneke J.
PMID: 25735766
Chemistry. 2015 Apr 07;21(15):5887-91. doi: 10.1002/chem.201500034. Epub 2015 Mar 03.

The acidity of protic cations and neutral molecules has been studied extensively in the gas phase, and the gas-phase acidity has been established previously as a very useful measure of the intrinsic acidity of neutral and cationic compounds. However,...

One-step chemical vapor growth of Ge/SiC(x)N(y) nanocables.

Journal of the American Chemical Society

Mathur S, Shen H, Donia N, Rügamer T, Sivakov V, Werner U.
PMID: 17629271
J Am Chem Soc. 2007 Aug 08;129(31):9746-52. doi: 10.1021/ja071931e. Epub 2007 Jul 13.

Single-step synthesis of one-dimensional Ge/SiCxNy core-shell nanocables was achieved by chemical vapor deposition of the molecular precursor [Ge{N(SiMe3)2}2]. Single crystalline Ge nanowires (diameter approximately 60 nm) embedded in uniform SiCxNy shells were obtained in high yields, whereby the growth...

Indirect determination of traces of thiosulphate by differential-pulse polarography.

Talanta

Brodersen K, Werner U, Gawargious YA, Huang S.
PMID: 18965221
Talanta. 1991 Jul;38(7):785-8.

Two methods are reported for the indirect determination of thiosulphate down to ca. 0.02 microg/ml by differential-pulse polarography. Both methods involve prior oxidation of thiosulphate with iodine, either in acidic medium to tetrathionate or in alkaline medium to sulphate,...

St John's Wort improves somatoform disorders.

Evidence-based mental health

Werneke DU.
PMID: 15671504
Evid Based Ment Health. 2005 Feb;8(1):13. doi: 10.1136/ebmh.8.1.13.

No abstract available.

Rhizobium meliloti nodA and nodB genes are involved in generating compounds that stimulate mitosis of plant cells.

Proceedings of the National Academy of Sciences of the United States of America

Schmidt J, Wingender R, John M, Wieneke U, Schell J.
PMID: 16593994
Proc Natl Acad Sci U S A. 1988 Nov;85(22):8578-82. doi: 10.1073/pnas.85.22.8578.

The nodB gene of Rhizobium meliloti encodes a 23.8-kDa protein that is conserved in several Rhizobium species. Monospecific polyclonal antibodies against NodB were used to localize this protein in the cytosol of R. meliloti and Escherichia coli cells containing...

Nonadiabatic dynamics within time-dependent density functional tight binding method.

The journal of physical chemistry. A

Mitrić R, Werner U, Wohlgemuth M, Seifert G, Bonacić-Koutecký V.
PMID: 19702287
J Phys Chem A. 2009 Nov 12;113(45):12700-5. doi: 10.1021/jp905600w.

A nonadiabatic molecular dynamics is implemented in the framework of the time-dependent density functional tight binding method (TDDFTB) combined with Tully's stochastic surface hopping algorithm. The applicability of our method to complex molecular systems is illustrated on the example...

Controlled biomass formation and kinetics of toluene degradation in a bioscrubber and in a reactor with a periodically moved trickle-bed.

Biotechnology and bioengineering

Wübker SM, Laurenzis A, Werner U, Friedrich C.
PMID: 18636578
Biotechnol Bioeng. 1997 Aug 20;55(4):686-92. doi: 10.1002/(SICI)1097-0290(19970820)55:4<686::AID-BIT10>3.0.CO;2-A.

The kinetics of degradation of toluene from a model waste gas and of biomass formation were examined in a bioscrubber operated under different nutrient limitations with a mixed culture. The applicability of the kinetics of continuous cultivation of the...

Showing 1 to 12 of 235 entries