@article{MEIER2025118421,

title = {The release and cytotoxicity of novel light inducible antimicrobial coatings after incineration},

author = {Philipp Meier and Giacomo Reina and Sandro Lehner and Milijana Jovic and Maria Kovacova and Zdenko Spitalsky and Simone Schulte and Stefan Fischer and Pascal Kock and Peter Neubauer and Peter Wick},

url = {https://www.sciencedirect.com/science/article/pii/S0147651325007572},

doi = {https://doi.org/10.1016/j.ecoenv.2025.118421},

issn = {0147-6513},

year  = {2025},

date = {2025-07-15},

urldate = {2025-01-01},

journal = {Ecotoxicology and Environmental Safety},

volume = {300},

pages = {118421},

abstract = {Airborne transmitted as well as multiresistant pathogens can spread rapidly in high traffic enclosed public spaces. Antimicrobial coatings of surfaces are a promising approach limiting the spread of diseases by targeted contact inhibition of microbes. A novel class of light-activated coatings including hydrophobic carbon quantum dots (hCQDs) and up-converter (UPC) are developed for this purpose including Safe-by-Design (SbD) principles. The efficacy against pathogens and the human safety aspects need to be well balanced. In case of fire-related accidents, these additives should not increase flammability, smoke release or the formation of harmful entities. In this work, antimicrobial hCQDs & up-converters are coated onto porous and non-porous substrates, exploring the interplay between substrates and coatings on the release of fume products after incineration. The airborne soot particles were assessed for their polycyclic aromatic hydrocarbon (PAH) content and their potential to cause a pro-inflammatory cytokine response in human lung cells. No significant acute in vitro lung cytotoxicity was detected from nano-coated surfaces after incineration. With this study, an important intermediate goal is reached and provides the rational for further investigations.},

keywords = {Acute lung cytotoxicity, Antimicrobial coating, Hydrophobic carbon quantum nanodots (hCQDs), Incineration, openQCM Wi2, Photodynamic effect, QCM, Quartz Crystal Microbalance, SbD, Up-converter (UPC)},

pubstate = {published},

tppubtype = {article}

}

@article{insects16040363,

title = {A Novel Biosensor for the Early Detection of Aethina tumida via Kodamaea ohmeri in Honeybee Colonies},

author = {Paola Ghisellini and Patrizia Garbati and Marco Pietropaoli and Antonella Cersini and Gabriele Pietrella and Cristina Rando and Luca Giacomelli and Stefano Ottoboni and Giovanni Formato and Roberto Eggenhöffner},

url = {https://www.mdpi.com/2075-4450/16/4/363},

doi = {10.3390/insects16040363},

issn = {2075-4450},

year  = {2025},

date = {2025-04-01},

urldate = {2025-04-01},

journal = {Insects},

volume = {16},

number = {4},

abstract = {Aethina tumida, commonly known as the small hive beetle, poses a threat to honeybee populations, particularly Apis mellifera, across several European regions. Originating in sub-Saharan Africa, there is a risk of the infestation spreading from Calabria, a region in the south of Italy. The essential role played by Apis spp. in pollination biodiversity preservation, agricultural productivity, and the overall economy is related to the dangers posed by the invasion of Aethina tumida. Current detection methods often fail to identify infestations early, leading to significant colony losses. We focused on creating a biosensor to improve the detection of Kodamaea ohmeri, a recently identified yeast that coexists symbiotically with Aethina tumida. The biosensor was designed to exploit the highly sensitive quartz crystal microbalance to identify a specific peptide linked to Kodamaea ohmeri in honey specimens. Its gold-plated surface over quartz was functionalized with an antibody effective in recognizing the peptide associated with Kodamaea ohmeri, a potential warning for detecting Aethina tumida. Preliminary results support the possibility of using such biosensor technology to detect infestation and enhance colony management techniques for honeybees, enabling beekeepers to implement prompt and focused treatments. In addition, reducing the size and cost of these biosensors and offering user training would be very helpful in having them used in beekeeping.},

keywords = {Aethina tumida detection, Apis mellifera health, biosensors, Kodamaea ohmeri detection, openQCM Wi2, QCM, Quartz Crystal Microbalance},

pubstate = {published},

tppubtype = {article}

}

@article{Sukowati_Rohman_Agung_Hapidin_Damayanti_Khairurrijal_2023,

title = {An investigation of the influence of nanofibers morphology on the performance of QCM-based ethanol vapor sensor utilizing polyvinylpyrrolidone nanofibers active layer},

author = {Riris Sukowati and Yadi Mulyadi Rohman and Bertolomeus Haryanto Agung and Dian Ahmad Hapidin and Herlina Damayanti and Khairurrijal Khairurrijal},

url = {https://www.sciencedirect.com/science/article/abs/pii/S0925400523004239},

doi = {10.1016/j.snb.2023.133708},

year  = {2023},

date = {2023-07-01},

urldate = {2023-07-01},

journal = {Sensors and Actuators B: Chemical},

volume = {386},

pages = {133708},

abstract = {Quartz crystal microbalances (QCMs) coated by polyvinylpyrrolidone (PVP) nanofibers with controlled morphology have been made for ethanol vapor detection. We used electrospinning to deposit PVP nanofibers of different morphologies (spherical-beaded, spindle-beaded, and pure nanofiber) on a QCM surface to study the effect on sensor performance. BET characterization revealed that the spherical-beaded nanofiber had the highest BET-specific surface area than the other morphologies, which improves the QCM sensor sensitivity, limit of quantification (LOQ), limit of detection (LOD), and sensor response. QCM coated with spherical-beaded nanofiber showed improved sensitivity of 2.632 Hz/ppm, lower LOD and LOQ of 0.018 ppm and 0.061 ppm, and better response compared to those coated with spindle-beaded and pure nanofiber. Based on adsorption isotherm models, Freundlich adsorption isotherm was found to be the most suitable for describing ethanol vapor adsorption on the sensor. The high sensitivity of the sensor to ethanol vapor was attributed to hydrogen bonding interactions between the sensor and the ethanol molecules. This study shows that the QCM-based sensor performance can be improved by modifying the morphology of nanofibrous coating layer.},

key = {QCM, Quartz Crystal Microbalance, openQCM Wi2, polyvinylpyrrolidone, nanofibers, ethanol vapor},

keywords = {ethanol vapor, Nanofibers, openQCM Wi2, polyvinylpyrrolidone, QCM, Quartz Crystal Microbalance},

pubstate = {published},

tppubtype = {article}

}

@article{rohman2023quartz,

title = {Quartz Crystal Microbalance Coated with Polyacrylonitrile/Nickel Nanofibers for High-Performance Methanol Gas Detection},

author = {Yadi Mulyadi Rohman and Riris Sukowati and Aan Priyanto and Dian Ahmad Hapidin and Dhewa Edikresnha and Khairurrijal Khairurrijal},

url = {https://pubs.acs.org/doi/full/10.1021/acsomega.3c00760},

doi = {https://doi.org/10.1021/acsomega.3c00760},

year  = {2023},

date = {2023-03-29},

urldate = {2023-01-01},

journal = {ACS Omega},

publisher = {ACS Publications},

abstract = {This study describes a sensor based on quartz crystal microbalance (QCM) coated by polyacrylonitrile (PAN) nanofibers containing nickel nanoparticles for methanol gas detection. The PAN/nickel nanofibers composites were made via electrospinning and electrospray methods. The QCM sensors coated with the PAN/nickel nanofiber composite were evaluated for their sensitivities, selectivities, and stabilities. The morphologies and elemental compositions of the sensors were examined using a scanning electron microscope-energy dispersive X-ray. A Fourier Transform Infrared spectrometer was used to investigate the elemental bonds within the nanofiber composites. The QCM sensors coated with PAN/nickel nanofibers offered a high specific surface area to enhance the QCM sensing performance. They exhibited excellent sensing characteristics, including a high sensitivity of 389.8 ± 3.8 Hz/SCCM, response and recovery times of 288 and 251 s, respectively, high selectivity for methanol compared to other gases, a limit of detection (LOD) of about 1.347 SCCM, and good long-term stability. The mechanism of methanol gas adsorption by the PAN/nickel nanofibers can be attributed to intermolecular interactions, such as the Lewis acid–base reaction by PAN nanofibers and hydrogen bonding by nickel nanoparticles. The results suggest that QCM-coated PAN/nickel nanofiber composites show great potential for the design of highly sensitive and selective methanol gas sensors.},

key = {Alcohols,Nanofibers,Nanoparticles,Nickel,Sensors},

keywords = {Alcohols, Nanofibers, nanoparticles, Nickel, openQCM Wi2, QCM, Quartz Crystal Microbalance, sensors},

pubstate = {published},

tppubtype = {article}

}