Gerrit Renner
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View article: Cigarette filters as a major source of microfibers in aquatic environments
Cigarette filters as a major source of microfibers in aquatic environments Open
View article: Computational mass spectrometry for exposomics in non‑target screening
Computational mass spectrometry for exposomics in non‑target screening Open
View article: Modular annular photocatalytic membrane reactor for the degradation of micropollutants: Design and application
Modular annular photocatalytic membrane reactor for the degradation of micropollutants: Design and application Open
This study presents the Modular Annular Photocatalytic Membrane Reactor (MAPMR), designed to address key challenges in conventional photocatalytic reactors, such as uniform light distribution, efficient photocatalyst recovery, and a precis…
View article: A review of occurrence and concentrations of cellulose acetate and other artificial cellulose microfibers in aquatic environmental matrices: an indicator of cigarette butts’ contamination?
A review of occurrence and concentrations of cellulose acetate and other artificial cellulose microfibers in aquatic environmental matrices: an indicator of cigarette butts’ contamination? Open
View article: Cigarette filters as a main microfibers source in aquatic environments: Phase I
Cigarette filters as a main microfibers source in aquatic environments: Phase I Open
Cigarette butts (CBs) are known as one of the most prevalent forms of environmental waste, needing global attention to mitigate their detrimental health and ecological impacts. Owing to their filter composition, discarded CBs can persisten…
View article: Development of a tool to routinely monitor wastewater systems via non-target screening utilizing spatial fingerprinting and temporal trend analysis as prioritization techniques
Development of a tool to routinely monitor wastewater systems via non-target screening utilizing spatial fingerprinting and temporal trend analysis as prioritization techniques Open
Non-Target Screening (NTS) is a valuable technique for exploring the chemical composition of aquatic systems. Although target screening has already been established in the quality control of water samples, adopting NTS, especially in data …
View article: Examining the impact of video production quality and presenter identity in science communication on knowledge acquisition and attitude change
Examining the impact of video production quality and presenter identity in science communication on knowledge acquisition and attitude change Open
Scientists are increasingly required to communicate their research to the public despite lacking the necessary resources. We investigated whether scientists need to communicate their research themselves, through resource-intensive science …
View article: Determination of atmospherically deposited microplastics in moss samples
Determination of atmospherically deposited microplastics in moss samples Open
Background Standardized methods for sampling and detection of atmospherically deposited microplastics are lacking. Contrary to that, the use of moss as a biomonitoring system was established concerning other atmospheric pollutants, such as…
View article: Assessment of sample pre-treatment strategies to mitigate matrix effects for microplastics analysis using thermoanalytical techniques
Assessment of sample pre-treatment strategies to mitigate matrix effects for microplastics analysis using thermoanalytical techniques Open
View article: Non-target screening in water analysis: recent trends of data evaluation, quality assurance, and their future perspectives
Non-target screening in water analysis: recent trends of data evaluation, quality assurance, and their future perspectives Open
View article: Determination of atmospherically deposited microplastics in moss: Method development and performance evaluation
Determination of atmospherically deposited microplastics in moss: Method development and performance evaluation Open
The investigation of atmospheric microplastic pollution is a rising topic within microplastic research. However, sampling strategies concerning atmospheric microplastics are not standardized yet and strongly depend on the scientific object…
View article: Critical review on data processing algorithms in non-target screening: challenges and opportunities to improve result comparability
Critical review on data processing algorithms in non-target screening: challenges and opportunities to improve result comparability Open
Non-target screening (NTS) is a powerful environmental and analytical chemistry approach for detecting and identifying unknown compounds in complex samples. High-resolution mass spectrometry has enhanced NTS capabilities but created challe…
View article: Efficient and sustainable microplastics analysis for environmental samples using flotation for sample pre-treatment
Efficient and sustainable microplastics analysis for environmental samples using flotation for sample pre-treatment Open
Microplastics analysis in solid environmental samples like sediments and soils requires complex preparation steps to eliminate interfering matrix components. This is often combined with the use of highly concentrated, expensive, and enviro…
View article: Development of a scoring parameter to characterize data quality of centroids in high-resolution mass spectra
Development of a scoring parameter to characterize data quality of centroids in high-resolution mass spectra Open
High-resolution mass spectrometry is widely used in many research fields allowing for accurate mass determinations. In this context, it is pretty standard that high-resolution profile mode mass spectra are reduced to centroided data, which…
View article: Surface Activation of Polylactic Acid-Based Wood-Plastic Composite by Atmospheric Pressure Plasma Treatment
Surface Activation of Polylactic Acid-Based Wood-Plastic Composite by Atmospheric Pressure Plasma Treatment Open
Wood-plastic composite (WPC) based on a polylactic acid (PLA) matrix is a promising material since it is biobased, degradable, sustainable, and 3D printable. However, due to its coloring, visible layers after 3D-printing, and small build v…
View article: Plasma Treatment of Polypropylene-Based Wood–Plastic Composites (WPC): Influences of Working Gas
Plasma Treatment of Polypropylene-Based Wood–Plastic Composites (WPC): Influences of Working Gas Open
In this study, a polypropylene (PP)-based wood–plastic composite with maleic anhydride-grafted polypropylene (MAPP) as a coupling agent and a wood content of 60% was extruded and specimens were injection molded. The samples were plasma tre…
View article: Review for "Authenticating bioplastics using carbon and hydrogen stable isotopes - An alternative analytical approach"
Review for "Authenticating bioplastics using carbon and hydrogen stable isotopes - An alternative analytical approach" Open
View article: Development of new spectroscopic and multivariate chemometric methods for the characterization of microplastics in the marine environment
Development of new spectroscopic and multivariate chemometric methods for the characterization of microplastics in the marine environment Open
Microplastics are ubiquitous and gain increasing attention in research as well as media and politics worldwide. In many cases, the presence of microplastics in different environmental compartments was reported and the risk potential was di…
View article: Automated rapid & intelligent microplastics mapping by FTIR microscopy: A Python–based workflow
Automated rapid & intelligent microplastics mapping by FTIR microscopy: A Python–based workflow Open
View article: Hydrophobicity–water/air–based enrichment cell for microplastics analysis within environmental samples: A proof of concept
Hydrophobicity–water/air–based enrichment cell for microplastics analysis within environmental samples: A proof of concept Open
The analysis of microplastics in sediments, soils or beach samples is commonly paired with a separation step to enrich microplastics or to remove non-plastics, respectively. Those steps are often very time consuming and are performed in pr…