List of works - Ralf Zimmermann

A Novel Impurity-Profiling Workflow with the Combination of Flash-Chromatography, UHPLC-MS, and Multivariate Data Analysis for Highly Pure Drugs: A Study on the Synthetic Cannabinoid MDMB-CHMICA

scientific article published on 20 August 2018

Aerosol Mass Spectrometer for Simultaneous Detection of Polyaromatic Hydrocarbons and Inorganic Components from Individual Particles.

scientific article

Ambient aerosols and human health: working towards a combined analytical and toxicological approach ⬇️

scientific article published on December 1, 2011

Application of parallel computing to speed up chemometrics for GC×GC–TOFMS based metabolic fingerprinting ⬇️

scientific article published on September 16, 2010

Chemical profiling of the synthetic cannabinoid MDMB-CHMICA: Identification, assessment, and stability study of synthesis-related impurities in seized and synthesized samples

scientific article published on 17 June 2019

Comparative Analysis of the Chemical Profiles of 3,4‐Methylenedioxymethamphetamine Based on Comprehensive Two‐Dimensional Gas Chromatography–Time‐of‐Flight Mass Spectrometry (GC × GC‐TOFMS)* ⬇️

scientific article published on April 17, 2012

Comprehensive multidimensional separation methods by hyphenation of single-photon ionization time-of-flight mass spectrometry (SPI-TOF-MS) with GC and GC×GC ⬇️

scientific article published on July 29, 2010

Contributions of City-Specific Fine Particulate Matter (PM2.5) to Differential In Vitro Oxidative Stress and Toxicity Implications between Beijing and Guangzhou of China

scientific article published on 21 February 2019

Development of an LC–MS/MS method for the quantitation of 55 compounds prescribed in combined cardiovascular therapy ⬇️

scientific article published on December 15, 2010

Direct Infusion Resonance-Enhanced Multiphoton Ionization Mass Spectrometry of Liquid Samples under Vacuum Conditions.

scientific article published on 29 September 2017

Forensic profiling of sassafras oils based on comprehensive two-dimensional gas chromatography ⬇️

scientific article published on April 24, 2013

Highly resolved online organic-chemical speciation of evolved gases from thermal analysis devices by cryogenically modulated fast gas chromatography coupled to single photon ionization mass spectrometry

scientific article published on November 2, 2010

Identification of fentanyl derivatives at trace levels with nonaqueous capillary electrophoresis‐electrospray‐tandem mass spectrometry (MSn, n = 2, 3): Analytical method and forensic applications ⬇️

scientific article published on June 1, 2012

In-Line Catalytic Derivatization Method for Selective Detection of Chlorinated Aromatics with a Hyphenated Gas Chromatography/Laser Mass Spectrometry Technique: A Concept for Comprehensive Detection of Isomeric Ensembles ⬇️

scientific article published on October 1, 1999

Looking into individual coffee beans during the roasting process: direct micro-probe sampling on-line photo-ionisation mass spectrometric analysis of coffee roasting gases ⬇️

scientific article published on May 10, 2013

Microprobe sampling—Photo ionization-time-of-flight mass spectrometry for in situ chemical analysis of pyrolysis and combustion gases: Examination of the thermo-chemical processes within a burning cigarette ⬇️

scientific article published on December 6, 2011

Model of the Deposition of Aerosol Particles in the Respiratory Tract of the Rat. II. Hygroscopic Particle Deposition ⬇️

scientific article published on April 1, 2013

Molecular adaptations of Helicoverpa armigera midgut tissue under pyrethroid insecticide stress characterized by differential proteome analysis and enzyme activity assays ⬇️

scientific article published on April 24, 2013

On-line Analysis of the Size Distribution of Fine and Ultrafine Aerosol Particles in Flue and Stack Gas of a Municipal Waste Incineration Plant: Effects of Dynamic Process Control Measures and Emission Reduction Devices ⬇️

scientific article published on October 15, 2003

Profiling of synthesis-related impurities of the synthetic cannabinoid Cumyl-5F-PINACA in seized samples of e-liquids via multivariate analysis of UHPLC-MSn data

scientific article published on 08 August 2019

Pyrolysis and combustion of tobacco in a cigarette smoking simulator under air and nitrogen atmosphere ⬇️

scientific article published on March 6, 2012

Quasi-Simultaneous Acquisition of Hard Electron Ionization and Soft Single-Photon Ionization Mass Spectra during GC/MS Analysis by Rapid Switching between Both Ionization Methods: Analytical Concept, Setup, and Application on Diesel Fuel ⬇️

scientific article published on April 18, 2011

Rapid on-site detection of explosives on surfaces by ambient pressure laser desorption and direct inlet single photon ionization or chemical ionization mass spectrometry ⬇️

scientific article published on March 2, 2013

Real-time analysis of aromatics in combustion engine exhaust by resonance-enhanced multiphoton ionisation time-of-flight mass spectrometry (REMPI-TOF-MS): a robust tool for chassis dynamometer testing ⬇️

scientific article published on May 30, 2012

Spatially Shaped Laser Pulses for the Simultaneous Detection of Polycyclic Aromatic Hydrocarbons as well as Positive and Negative Inorganic Ions in Single Particle Mass Spectrometry

scientific article published on 10 July 2019

The impact of blood on liver metabolite profiling – a combined metabolomic and proteomic approach ⬇️

scientific article published on August 12, 2013

The use of multi-channel silicone rubber traps as denuders for polycyclic aromatic hydrocarbons ⬇️

scientific article published on November 15, 2011

Toward Smart Online Coffee Roasting Process Control: Feasibility of Real-Time Prediction of Coffee Roast Degree and Brew Antioxidant Capacity by Single-Photon Ionization Mass Spectrometric Monitoring of Roast Gases

scientific article published on 22 January 2020

Volatile organic compounds produced by the phytopathogenic bacterium Xanthomonas campestris pv. vesicatoria 85-10 ⬇️