Search Results - "Wirth, Hans"
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Small-Footprint, Field-Deployable LC/MS System for On-Site Analysis of Per- and Polyfluoroalkyl Substances in Soil
Published in Analytical chemistry (Washington) (07-09-2021)“…Per- and polyfluoroalkyl substances (PFASs) are emerging environmental pollutants of global concern. For rapid field site evaluation, there are very few…”
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Modular, cost-effective, and portable capillary gradient liquid chromatography system for on-site analysis
Published in Journal of Chromatography A (30-08-2020)“…•Portable and fully modular compact capillary liquid chromatography system has been developed.•Custom built syringe pumps with a wide range of capillary flow…”
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3
Compact capillary high performance liquid chromatography system for pharmaceutical on-line reaction monitoring
Published in Analytica chimica acta (22-03-2023)“…Due to their size, conventional high performance liquid chromatographs (HPLCs) are difficult to place close to a reaction vessel within a pharmaceutical…”
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4
Miniature Multiwavelength Deep UV-LED-Based Absorption Detection System for Capillary LC
Published in Analytical chemistry (Washington) (20-10-2020)“…A new miniature deep UV absorbance detector has been developed using low-cost and high-performance LEDs, which can be operated in both scanning (230 to 300 nm)…”
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Ultraviolet absorbance detector based on a high output power 235 nm surface mounted device-type light-emitting diode
Published in Journal of Chromatography A (08-11-2020)“…•High output power deep-UV 235 nm wide-angle SMD-type LED was characterised.•A simple method for improving optical design of detector was presented.•Limit of…”
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Small footprint liquid chromatography-mass spectrometry for pharmaceutical reaction monitoring and automated process analysis
Published in Journal of Chromatography A (25-10-2021)“…•Small footprint LC-UV/MS system for pharmaceutical process monitoring.•In-fumehood reaction monitoring by LC-UV/MS.•Automated sample dilution, derivatisation,…”
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7
A simplified approach to direct SPE-MS
Published in Journal of separation science (01-09-2012)“…Microextraction by packed sorbent (MEPS) has been directly hyphenated with ESI‐MS for the rapid screening of opiates and codeine metabolites in urine. This…”
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Development of polydimethylsiloxane-microdiamond composite materials for application as sorptive devices
Published in Journal of Chromatography A (22-02-2020)“…•Preparation and purification of porous and non-porous PDMS-microdiamond composites.•Evaluation of unique physical-chemical characteristics of the…”
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Concept and performance evaluation of two 3 GHz buncher units optimizing the dose rate of a novel preclinical proton minibeam irradiation facility
Published in PloS one (11-10-2021)“…To demonstrate the large potential of proton minibeam radiotherapy (pMBRT) as a new method to treat tumor diseases, a preclinical proton minibeam radiation…”
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10
Characterization of large surface area polymer monoliths and their utility for rapid, selective solid phase extraction for improved sample clean up
Published in Journal of Chromatography A (04-09-2015)“…•Two approaches to fabricate polymer monolith with large surface areas were investigated for SPE.•Extraction performance of these monoliths was compared with…”
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Fission resonances observed in the $$^{237}$$Np(d,pf) reaction and the fission barrier topology of $$^{238}$$Np
Published in The European physical journal. A, Hadrons and nuclei (01-02-2022)“…The fission probability of $$^{238}$$ 238 Np was measured as a function of the excitation energy in the energy range of E $$^* = 5.4 - 6.2$$ ∗ = 5.4 - 6.2 MeV…”
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Fission resonances observed in the 237Np(d,pf) reaction and the fission barrier topology of 238Np
Published in The European physical journal. A, Hadrons and nuclei (2022)“…The fission probability of 238 Np was measured as a function of the excitation energy in the energy range of E ∗ = 5.4 - 6.2 MeV in order to search for…”
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13
Different Pathophysiology of Gastritis in East and West? A Western Perspective
Published in Inflammatory intestinal diseases (01-10-2016)“…Background: Gastritis results from multifactorial gastric mucosal injury. Helicobacter pylori(Hp) is the main cause, and associated diseases have typical…”
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Negative ion graphitised carbon nano-liquid chromatography/mass spectrometry increases sensitivity for glycoprotein oligosaccharide analysis
Published in Rapid communications in mass spectrometry (01-01-2004)“…Negative ion nano‐liquid chromatography/mass spectrometry (nano‐LC/MS) and tandem mass spectrometry (nano‐LC/MS2), using graphitised carbon as separating…”
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15
Helicobacter pylori modulates the T helper cell 1/T helper cell 2 balance through phase-variable interaction between lipopolysaccharide and DC-SIGN
Published in The Journal of experimental medicine (18-10-2004)“…The human gastric pathogen Helicobacter pylori spontaneously switches lipopolysaccharide (LPS) Lewis (Le) antigens on and off (phase-variable expression), but…”
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Radiation protection modelling for 2.5 Petawatt-laser production of ultrashort x-ray, proton and ion bunches: Monte Carlo model of the Munich CALA facility
Published in Journal of radiological protection (01-12-2020)“…The 'Centre for Advanced Laser Applications' (CALA) is a new research institute for laser-based acceleration of electron beams for brilliant x-ray generation,…”
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17
From Hiroshima and Chernobyl to Fukushima: What does the "militant" use of nuclear power mean for our mental state, and how about its "peaceful" use?
Published in International forum of psychoanalysis (01-12-2013)“…The atomic bombings of Hiroshima and Nagasaki represent a historical break that can be understood from a social psychological position as a collective trauma…”
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Helicobacter pylori strain-specific differences in genetic content, identified by microarray, influence host inflammatory responses
Published in The Journal of clinical investigation (01-03-2001)“…Helicobacter pylori enhances the risk for ulcer disease and gastric cancer, yet only a minority of H. pylori-colonized individuals develop disease. We examined…”
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Phantom of the forest or successful citizen? Analysing how Northern Goshawks ( Accipiter gentilis ) cope with the urban environment
Published in Royal Society open science (01-12-2020)“…By 2040, roughly two-thirds of humanity are expected to live in urban areas. As cities expand, humans irreversibly transform natural ecosystems, creating both…”
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Proton partial widths evaluation through the 30Si(3He,d)31P transfer reaction for understanding abundance anomalies in Globular Clusters
Published in EPJ Web of conferences (01-01-2022)“…Some observed abundances in globular clusters have suggested the existence of multiple generations of stars within the clusters as the observations require…”
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