Search Results - "Wälte, Andreas"

Physical Trace Gas Identification with the Photo Electron Ionization Spectrometer (PEIS) by Doll, Theodor, Fuenzalida, Victor M, Schütte, Helmut, Gaßmann, Stefan, Velasco-Velez, Juan J, Köhler, Robert, Kontschev, Alex, Haas, Thomas, Ungethüm, Bert, Walte, Andreas, Oberröhrmann, Jonas, Onken, Adrian, Philipp, Kasimir M, Nguyen, Minh-Hai, Lenarz, Thomas, Hassel, Achim Walter, Viöl, Wolfgang

“…Chemosensor technology for trace gases in the air always aims to identify these compounds and then measure their concentrations. For identification, traceable…”
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Estrus Detection in a Dairy Herd Using an Electronic Nose by Direct Sampling on the Perineal Region by Ali, Asmaa S, Jacinto, Joana G P, Mϋnchemyer, Wolf, Walte, Andreas, Gentile, Arcangelo, Formigoni, Andrea, Mammi, Ludovica M E, Csaba Bajcsy, Árpád, Abdu, Mohamed S, Kamel, Mervat M, Ghallab, Abdel Raouf Morsy

“…Estrus detection is very important for the profitability of dairy herds. Different automatic systems for estrus detection have been developed over the last…”
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Study on the Discrimination of Possible Error Sources That Might Affect the Quality of Volatile Organic Compounds Signature in Dairy Cattle Using an Electronic Nose by Ali, Asmaa S., Jacinto, Joana G. P., Mϋnchemyer, Wolf, Walte, Andreas, Kuhla, Björn, Gentile, Arcangelo, Abdu, Mohamed S., Kamel, Mervat M., Ghallab, Abdelrauf Morsy

“…Electronic nose devices (EN) have been developed for detecting volatile organic compounds (VOCs). This study aimed to assess the ability of the MENT-EGAS…”
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Ambient Pressure Laser Desorption and Laser-Induced Acoustic Desorption Ion Mobility Spectrometry Detection of Explosives by Ehlert, Sven, Walte, Andreas, Zimmermann, Ralf

“…The development of fast, mobile, and sensitive detection systems for security-relevant substances is of enormous importance. Because of the low vapor pressures…”
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Multiband superconductivity in HoNi2B2C by Müller, Karl-Hartmut, Fuchs, Günter, Drechsler, Stefan-Ludwig, Opahle, Ingo, Eschrig, Helmut, Schultz, Ludwig, Behr, Günter, Löser, Wolfgang, Souptel, Dmitri, Wälte, Andreas, Nenkov, Konstantin, Naidyuk, Yuri, Rosner, Helge

“…HoNi2B2C single crystals prepared by the floating zone method were investigated by resistivity, magnetization, specific heat and point-contact measurements…”
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Puff-Resolved Analysis and Selected Quantification of Chemicals in the Gas Phase of E-Cigarettes, Heat-Not-Burn Devices, and Conventional Cigarettes Using Single-Photon Ionization Time-of-Flight Mass Spectrometry (SPI-TOFMS): A Comparative Study by Heide, Jan, Adam, Thomas W, Jacobs, Erik, Wolter, Jan-Martin, Ehlert, Sven, Walte, Andreas, Zimmermann, Ralf

“…A wide array of alternative nicotine delivery devices (ANDD) has been developed and they are often described as less harmful than combustible cigarettes. This…”
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Real-Time Investigation of Primary Ship Engine Emissions by Vacuum Resonance-Enhanced Multiphoton Ionization High-Resolution Orbitrap Mass Spectrometry by Kösling, Paul, Rüger, Christopher P., Schade, Julian, Ehlert, Sven, Etzien, Uwe, Kozhinov, Anton N., Tsybin, Yury O., Rigler, Martin, Adam, Thomas, Walte, Andreas, Buchholz, Bert, Zimmermann, Ralf

“…The comprehensive chemical description of air pollution is a prerequisite for understanding atmospheric transformation processes and effects on climate and…”
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Vacuum Laser Photoionization inside the C‑trap of an Orbitrap Mass Spectrometer: Resonance-Enhanced Multiphoton Ionization High-Resolution Mass Spectrometry by Kösling, Paul, Rüger, Christopher P, Schade, Julian, Fort, Kyle L, Ehlert, Sven, Irsig, Robert, Kozhinov, Anton N, Nagornov, Konstantin O, Makarov, Alexander, Rigler, Martin, Tsybin, Yury O, Walte, Andreas, Zimmermann, Ralf

“…State-of-the-art mass spectrometry with ultraviolet (UV) photoionization is mostly limited to time-of-flight (ToF) mass spectrometers with 1000–10 000 m/Δm…”
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Integration of time and spatially resolved in-situ temperature and pressure measurements with soft ionisation mass spectrometry inside a burning superslim cigarette by Cui, Huapeng, Ehlert, Sven, Xie, Fuwei, Heide, Jan, Deng, Nan, Li, Bin, Liu, Chuan, McAdam, Kevin, Walte, Andreas, Zimmermann, Ralf

“…•Thermochemical and thermophysical visualization of a cigarette puff.•Integrated measurements of temperature, gas flows and chemical distribution.•Time and…”
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Real-time Detection of Chemical Compounds in Dust Particles Using a Single-Particle Mass Spectrometer and its Potential for Safety Applications by Passig, Johannes, Schade, Julian, Rosewig, Ellen Iva, Putz, Michael, Seipenbusch, Martin, Ehlert, Sven, Ruser, Heinrich, Adam, Thomas, Walte, Andreas, Zimmermann, Ralf

“…The global rise in mobility and trade implies growing challenges in detecting safety-related and hazardous substances during transport and handling. To cope…”
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Optically Heated Ultra-Fast-Cycling Gas Chromatography Module for Separation of Direct Sampling and Online Monitoring Applications by Fischer, Michael, Wohlfahrt, Sebastian, Varga, Janos, Matuschek, Georg, Saraji-Bozorgzad, Mohammad R, Denner, Thomas, Walte, Andreas, Zimmermann, Ralf

“…This work describes an ultrafast-cycling gas chromatography module (fast-GC module) for direct-sampling gas chromatography/mass spectrometry (GC-MS). The…”
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Evolution of Volatile Flavor Compounds During Roasting of Nut Seeds by Thermogravimetry Coupled to Fast-Cycling Optical Heating Gas Chromatography-Mass Spectrometry with Electron and Photoionization by Fischer, Michael, Wohlfahrt, Sebastian, Varga, Janos, Matuschek, Georg, Saraji-Bozorgzad, Mohammad R., Walte, Andreas, Denner, Thomas, Zimmermann, Ralf

“…Online multidimensional evolved gas analysis was conducted during the roasting of nuts using fast-cycling optical heating gas chromatography (OHGC) coupled to…”
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Sprayed liquid-gas extraction in combination with ion mobility spectrometry: a novel approach for the fast determination of semi-volatile compounds in air and from contaminated surfaces by Zarejousheghani, Mashaalah, Cämmerer, Malcolm, Mayer, Thomas, Walte, Andreas, Borsdorf, Helko

“…We developed a fast, simple and highly-efficient enrichment procedure for trace levels of semi volatile organic compounds from air and surfaces and combined it…”
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Comparative measurements of toxic industrial compounds with a differential mobility spectrometer and a time of flight ion mobility spectrometer by Ungethüm, Bert, Walte, Andreas, Münchmeyer, Wolf, Matz, Gerhard

“…Small concentrations of toxic compounds in atmospheric air have often to be measured selectively by portable equipment. Ion mobility spectrometers are…”
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On-line derivatization for resonance-enhanced multiphoton lonization time-of-flight mass spectrometry: Detection of aliphatic aldehydes and amines via reactive coupling of aromatic photo lonization labels by FERNANDES-WHALEY, Maria, MUHLBERGER, Fabian, WHALEY, Alexander, ADAM, Thomas, ZIMMERMANN, Ralf, ROHWER, Egmont, WALTE, Andreas

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On-Line Derivatization for Resonance-Enhanced Multiphoton Ionization Time-of-Flight Mass Spectrometry:  Detection of Aliphatic Aldehydes and Amines via Reactive Coupling of Aromatic Photo Ionization Labels by Fernandes-Whaley, Maria, Mühlberger, Fabian, Whaley, Alexander, Adam, Thomas, Zimmermann, Ralf, Rohwer, Egmont, Walte, Andreas

“…Resonance-enhanced multiphoton ionization time-of-flight mass spectrometry (REMPI-TOFMS) is a powerful technique for the on-line analysis of aromatic compounds…”
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