TY  - JOUR
AB  - The primary objective of this study was to synthesize and characterize novel silicon-based silyl organic compounds in order to gain a deeper understanding of their potential applications and interactions with other compounds. Four new artificial silyl organic compounds were successfully synthesized: 1-O-(Trimethylsilyl)-2,3,4,6-tetra-O-acetyl-β-d-glucopyranose (compound 1), 1-[(1,1-dimethylehtyl)diphenylsilyl]-1H-indole (compound 2), O-tert-butyldiphenylsilyl-(3-hydroxypropyl)oleate (compound 3), and 1-O-tert-Butyldiphenylsilyl-myo-inositol (compound 4). To thoroughly characterize these synthesized compounds, a combination of advanced mass spectrometric techniques was employed, including nanoparticle-assisted laser desorption/ionization mass spectrometry (NALDI-MS), Fourier-transform ion cyclotron resonance mass spectrometry (FT-ICR-MS), and triple quadrupole electrospray tandem mass spectrometry (QqQ ESI-MS/MS). These analytical methods enabled the accurate identification and characterization of the synthesized silyl organic compounds, providing valuable insights into their properties and potential applications. Furthermore, the electrospray ionization-Fourier transform ion cyclotron resonance-tandem mass spectrometry (ESI-FT-ICR-MS/MS) technique facilitated the proposal of fragmentation pathways for the ionized silyl organic compounds, contributing to a more comprehensive understanding of their behavior during mass spectrometric analysis. These findings suggest that mass spectrometric techniques offer a highly effective means of investigating and characterizing naturally occurring silicon-based silyl organic compounds, with potential implications for advancing research in various fields and applications in different industries.
AU  - Rogowska, A.*
AU  - Szultka-Młyńska, M.*
AU  - Kanawati, B.
AU  - Pomastowski, P.*
AU  - Arendowski, A.*
AU  - Gołębiowski, A.*
AU  - Schmitt-Kopplin, P.
AU  - Fordymacka, M.*
AU  - Sukiennik, J.*
AU  - Krzywik, J.*
AU  - Buszewski, B.*
C1  - 67804
C2  - 54282
CY  - St Alban-anlage 66, Ch-4052 Basel, Switzerland
TI  - Advanced mass spectrometric techniques for the comprehensive study of synthesized silicon-based silyl organic compounds : Identifying fragmentation pathways and characterization.
JO  - Materials
VL  - 16
IS  - 9
PB  - Mdpi
PY  - 2023
SN  - 1996-1944
ER  - 

TY  - JOUR
AB  - The utilization of used crosslinked functional polymers (CFP) applied as sorbents or ion-exchangers is a great challenge arising from the need to protect the environment. In this paper we report a very promising way of obtaining carbon/magnetic composites based on metal (Co2+; Ni2+; Fe3+) derivatives of butadiene rubber-based phosphorus-containing polymer, which were treated as the model used CFP. We proposed a facile one-step thermal degradation approach to transform used CFP into carbon/magnetic composites (CMC). The obtained CMCs contained a mixture of metal phosphates and metal phosphides that exhibited strong magnetic properties due to the presence of nanosized metal derivatives with diameters of 100-140 nm. Structural and morphological changes of CFP and CMC after thermal degradation were investigated by the FTIR technique, X-ray Diffraction analysis, Scanning Electron Microscope, and Atomic Force Microscope-Magnetic Force Microscope. Moreover, thermal degradation kinetics parameters were determined to optimize the efficiency of the process.
AU  - Alosmanov, R.*
AU  - Imanova, J.*
AU  - Wolski, K.*
AU  - Zimmermann, R.
AU  - Fiejdasz, S.*
AU  - Przewoźnik, J.*
AU  - Goc, K.*
AU  - Kapusta, C.*
AU  - Zapotoczny, S.*
AU  - Szuwarzyński, M.*
C1  - 55070
C2  - 46033
CY  - St Alban-anlage 66, Ch-4052 Basel, Switzerland
TI  - Fabrication of functional carbon/magnetic nanocomposites as a promising model of utilization of used crosslinked polymers.
JO  - Materials
VL  - 11
IS  - 12
PB  - Mdpi
PY  - 2018
SN  - 1996-1944
ER  - 

TY  - JOUR
AB  - Biofilm formation on materials leads to high costs in industrial processes, as well as in medical applications. This fact has stimulated interest in the development of new materials with improved surfaces to reduce bacterial colonization. Standardized tests relying on statistical evidence are indispensable to evaluate the quality and safety of these new materials. We describe here a flow chamber system for biofilm cultivation under controlled conditions with a total capacity for testing up to 32 samples in parallel. In order to quantify the surface colonization, bacterial cells were DAPI (4',6-diamidino-2-phenylindole)-stained and examined with epifluorescence microscopy. More than 100 images of each sample were automatically taken and the surface coverage was estimated using the free open source software g'mic, followed by a precise statistical evaluation. Overview images of all gathered pictures were generated to dissect the colonization characteristics of the selected model organism Escherichia coli W3310 on different materials (glass and implant steel). With our approach, differences in bacterial colonization on different materials can be quantified in a statistically validated manner. This reliable test procedure will support the design of improved materials for medical, industrial, and environmental (subaquatic or subaerial) applications.
AU  - Menzel, F.*
AU  - Conradi, B.*
AU  - Rodenacker, K.
AU  - Gorbushina, A.A.*
AU  - Schwibbert, K.*
C1  - 49675
C2  - 40838
CY  - Basel
TI  - Flow chamber system for the statistical evaluation of bacterial colonization on materials.
JO  - Materials
VL  - 9
IS  - 9
PB  - Mdpi Ag
PY  - 2016
SN  - 1996-1944
ER  -