TY - CONF A1 - Song, Jessica T1 - (micro)Plastic biofilms: Keeping afloat by carving out a new niche N2 - As pervasive and persistent pollutants, microplastics exist alongside vast microbial communities in nature. These hardy substrates accumulate rich polymeric matrices from their surroundings that in turn offer nutrition and protection to diverse communities and their theatre of activity, representing a new ecological niche. In our research to date, biofilm communities demonstrate no specificity to plastic polymers but appear rather to be more strongly shaped by spatial and temporal factors. Other synthetic substrates such as tyre wear, however, signal towards some form of community selection that may manifest in the presence of leachates from the polymer itself. Contrary to these biofilms, polyaromatic hydrocarbons appear to observe the opposite pattern, with adsorbed concentrations on plastic more strongly dictated by the type of plastic polymer than the environment itself. Although community specificity has not yet been evidenced among different plastic polymers, our studies show that microplastics might shape communities in a different way. As suggested by our detection of carotenoid synthesis pathways and photosynthetic gene clusters among microplastic biofilms, we postulate this new niche to shape a specific functional toolkit adaptive among its members as a product of prolonged exposure to UV radiation at the sea’s surface. This opens exciting new avenues for further research into the functional capabilities of these biofilms and offers new perspective on their potential beyond subordinate processes such as biodegradation. Here, we present a synthesis of our collective research on microplastic biofilms, the factors that shape them, and their interactions with nature. T2 - MICRO 2024 Conference CY - Lanzarote, Spain DA - 23.09.2024 KW - Biofilms KW - Microplastics KW - Microbial ecology KW - 16S amplicon KW - Pollutants PY - 2024 AN - OPUS4-61990 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Catanzaro, Ilaria A1 - Gorbushina, Anna A1 - Onofri, Silvano A1 - Schumacher, Julia T1 - 1,8‐Dihydroxynaphthalene (DHN) melanin provides unequal protection to black fungi Knufia petricola and Cryomyces antarcticus from UV‐B radiation N2 - Black fungi on rock surfaces endure a spectrum of abiotic stresses, including UV radiation. Their ability to tolerate extreme conditions is attributed to the convergent evolution of adaptive traits, primarily highly melanized cell walls. However, studies on fungal melanins have not provided univocal results on their photoprotective functions. Here, we investigated whether the black fungi Knufia petricola and Cryomyces antarcticus only use DHN melanin or may employ alternative mechanisms to counteract UV‐induced damage. For this, melanized wild types and non‐melanized Δpks1 mutants were exposed to different doses of UV‐B (312 nm) followed by incubation in constant darkness or in light–dark cycles to allow light‐dependent DNA repair by photolyases (photoreactivation). C. antarcticus could tolerate higher UV‐B doses but was sensitive to white light, whereas K. petricola showed the opposite trend. DHN melanin provided UV‐B protection in C. antarcticus, whereas the same pigment or even carotenoids proved ineffective in K. petricola. Both fungi demonstrated functional photoreactivation in agreement with the presence of photolyase‐encoding genes. Our findings reveal that although the adaptive trait of DHN melanization commonly occurs across black fungi, it is not equally functional and that there are species‐specific adaptations towards either UV‐induced lesion avoidance or repair strategies. KW - Rock-inhabiting Ascomycetes KW - Pigment KW - Photoprotection KW - Photolyase KW - Disinfection PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-616859 DO - https://doi.org/10.1111/1758-2229.70043 VL - 16 IS - 6 SP - 1 EP - 13 PB - Wiley AN - OPUS4-61685 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 1. Nachtrag zum Zulassungsschein 06/BAM 4.3/01/14 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien N2 - 1. Nachtrag zum Zulassungsschein für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien der Fa. AGRU Kunststofftechnik GmbH, Bad Hall, Österreich. KW - Deponie KW - Zulassung KW - Kunststoffdichtungsbahn PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601147 SP - 1 EP - 6 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60114 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 1. Nachtrag zum Zulassungsschein 06/BAM 4.3/01/19 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien N2 - 1. Nachtrag zum Zulassungsschein für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien der Fa. AGRU Kunststofftechnik GmbH, Bad Hall, Österreich. KW - Deponie KW - Zulassung KW - Kunststoffdichtungsbahn PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601159 SP - 1 EP - 6 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60115 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 11. Nachtrag zum Zulassungsschein 08/BAM 8.3/10/94 für eine Vliesstoffmatte als Bestandteil einer Schutzschicht aus geosynthetischer Schutzlage und feinkiesiger mineralischer Schutzlage für Dichtungsbahnen in Deponieabdichtungen N2 - 11. Nachtrag zum Zulassungsschein für eine Vliesstoffmatte als Bestandteil einer Schutzschicht aus geosynthetischer Schutzlage und feinkiesiger mineralischer Schutzlage für Dichtungsbahnen in Deponieabdichtungen der Fa. Naue GmbH & Co. KG. KW - Deponie KW - Zulassung KW - Schutzschicht PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601343 SP - 1 EP - 20 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60134 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Adam, Christian A1 - Wöhlecke, Andreas T1 - 11. Nachtrag zum Zulassungsschein 11/BAM IV.3/03/09 für ein Dichtungskontrollsystem (DKS) für Deponieoberflächenabdichtungen N2 - 11. Nachtrag zum Zulassungsschein 11/BAM IV.3/03/09 für ein Dichtungskontrollsystem (DKS) für Deponieoberflächenabdichtungen der Firma Sensor Dichtungs-Kontroll-Systeme GmbH, Bremen. KW - Deponie KW - Kunststoffdichtungsbahn KW - Dichtungskontrollsystem PY - 2024 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-611001 SP - 1 EP - 15 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-61100 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 2. Nachtrag zum Zulassungsschein 06/BAM 4.3/04/16 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien N2 - 2. Nachtrag zum Zulassungsschein für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien der Fa. AGRU Kunststofftechnik GmbH, Bad Hall, Österreich. KW - Deponie KW - Zulassung KW - Kunststoffdichtungsbahn PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601269 SP - 1 EP - 6 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60126 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 2. Nachtrag zum Zulassungsschein 06/BAM 4.3/05/16 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien N2 - 2. Nachtrag zum Zulassungsschein 06/BAM 4.3/05/16 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien der Fa. AGRU Kunststofftechnik GmbH, Bad Hall, Österreich. KW - Deponie KW - Zulassung KW - Kunststoffdichtungsbahn PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601270 SP - 1 EP - 7 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60127 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Tavasolyzadeh, Zeynab A1 - Tang, Peng A1 - Hahn, Marc Benjamin A1 - Hweidi, Gada A1 - Nordholt, Niclas A1 - Haag, Rainer A1 - Sturm, Heinz A1 - Topolniak, Ievgeniia T1 - 2D and 3D Micropatterning of Mussel‐Inspired Functional Materials by Direct Laser Writing N2 - AbstractThis work addresses the critical need for multifunctional materials and substrate‐independent high‐precision surface modification techniques that are essential for advancing microdevices and sensing elements. To overcome existing limitations, the versatility of mussel‐inspired materials (MIMs) is combined with state‐of‐the‐art multiphoton direct laser writing (DLW) microfabrication. In this way, 2D and 3D MIM microstructures of complex designs are demonstrated with sub‐micron to micron resolution and extensive post‐functionalization capabilities. This study includes polydopamine (PDA), mussel‐inspired linear, and dendritic polyglycerols (MI‐lPG and MI‐dPG), allowing their direct microstructure on the substrate of choice with the option to tailor the patterned topography and morphology in a controllable manner. The functionality potential of MIMs is demonstrated by successfully immobilizing and detecting single‐stranded DNA on MIM micropattern and nanoarray surfaces. In addition, easy modification of MIM microstructure with silver nanoparticles without the need of any reducing agent is shown. The methodology developed here enables the integration of MIMs in advanced applications where precise surface functionalization is essential. KW - Direct laser writing KW - Mussel-inspired materials KW - Polyglycerol KW - Polydopamine KW - Micropatterning PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-588778 DO - https://doi.org/10.1002/smll.202309394 SN - 1613-6829 SP - 1 EP - 12 PB - Wiley-VCH CY - Weinheim AN - OPUS4-58877 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - GOVDOC A1 - Simon, Franz-Georg A1 - Wöhlecke, Andreas T1 - 3. Nachtrag zum Zulassungsschein 06/BAM IV.3/02/07 für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien N2 - 3. Nachtrag zum Zulassungsschein für Kunststoffdichtungsbahnen (KDB) in Basis- und Oberflächenabdichtungen von Deponien der Fa. AGRU Kunststofftechnik GmbH, Bad Hall, Österreich. KW - Deponie KW - Zulassung KW - Kunststoffdichtungsbahn PY - 2023 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-601245 SP - 1 EP - 9 PB - Bundesanstalt für Materialforschung und -prüfung (BAM) CY - Berlin AN - OPUS4-60124 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -