Christian B. Fischer
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View article: An Image-Processing Tool for Size and Shape Analysis of Manufactured Irregular Polyethylene Microparticles
An Image-Processing Tool for Size and Shape Analysis of Manufactured Irregular Polyethylene Microparticles Open
Microplastics (MPs) pose a significant risk to humans and animals due to their ability to absorb, adsorb, and desorb organic pollutants. MPs catchment from either sediments or water bodies is crucial for risk assessment, but fast and effec…
View article: Gold Nanoparticles Bioproduced in Cyanobacteria in the Initial Phase Opened an Avenue for the Discovery of Corresponding Cerium Nanoparticles
Gold Nanoparticles Bioproduced in Cyanobacteria in the Initial Phase Opened an Avenue for the Discovery of Corresponding Cerium Nanoparticles Open
The production of isolated metallic nanoparticles with multifunctionalized properties, such as size and shape, is crucial for biomedical, photocatalytic, and energy storage or remediation applications. This study investigates the initial p…
View article: Prediction Model for Optimal Efficiency of the Green Corrosion Inhibitor Oleoylsarcosine: Optimization by Statistical Testing of the Relevant Influencing Factors
Prediction Model for Optimal Efficiency of the Green Corrosion Inhibitor Oleoylsarcosine: Optimization by Statistical Testing of the Relevant Influencing Factors Open
Optimization and statistical methods are used to minimize the number of experiments required to complete a study, especially in corrosion testing. Here, a statistical Box–Behnken design (BBD) was implemented to investigate the effects of f…
View article: Thin Amorphous Hydrogenated Carbon Layers on Polylactic Acid and Polyhydroxybutyrate Biopolymers - Influence of Substrate Chemistry on Interlayer Formation
Thin Amorphous Hydrogenated Carbon Layers on Polylactic Acid and Polyhydroxybutyrate Biopolymers - Influence of Substrate Chemistry on Interlayer Formation Open
View article: Controlling the Sp2/Sp3 Ratio of Amorphous Hydrogenated Carbon Layers (A-C:H) on Polylactide Acid (Pla) at Constant Distance But Angle-Dependent Deposition
Controlling the Sp2/Sp3 Ratio of Amorphous Hydrogenated Carbon Layers (A-C:H) on Polylactide Acid (Pla) at Constant Distance But Angle-Dependent Deposition Open
View article: Controlling the Sp2/Sp3 Ratio of Amorphous Hydrogenated Carbon Layers (A-C:H) on Polylactide Acid (Pla) at Constant Distance But Angle-Dependent Deposition
Controlling the Sp2/Sp3 Ratio of Amorphous Hydrogenated Carbon Layers (A-C:H) on Polylactide Acid (Pla) at Constant Distance But Angle-Dependent Deposition Open
View article: Time-Dependent Size and Shape Evolution of Gold and Europium Nanoparticles from a Bioproducing Microorganism, a Cyanobacterium: A Digitally Supported High-Resolution Image Analysis
Time-Dependent Size and Shape Evolution of Gold and Europium Nanoparticles from a Bioproducing Microorganism, a Cyanobacterium: A Digitally Supported High-Resolution Image Analysis Open
Herein, the particle size distributions (PSDs) and shape analysis of in vivo bioproduced particles from aqueous Au3+ and Eu3+ solutions by the cyanobacterium Anabaena sp. are examined in detail at the nanoscale. Generally, biosynthesis is …
View article: N-b-Hydroxyethyl Oleyl Imidazole as Synergist to Enhance the Corrosion Protection Effect of Natural Cocoyl Sarcosine on Steel
N-b-Hydroxyethyl Oleyl Imidazole as Synergist to Enhance the Corrosion Protection Effect of Natural Cocoyl Sarcosine on Steel Open
To investigate the corrosion protection behavior of naturally derived cocoyl sarcosine in combination with N-b-hydroxyethyl oleyl imidazole for steel CR4 in 0.1 M NaCl, different evaluation systems (weight loss, electrochemical measurement…
View article: Thin Amorphous Hydrogenated Carbon Layers on Polylactic Acid and Polyhydroxybutyrate Biopolymers - Influence of Substrate Chemistry on Interlayer Formation
Thin Amorphous Hydrogenated Carbon Layers on Polylactic Acid and Polyhydroxybutyrate Biopolymers - Influence of Substrate Chemistry on Interlayer Formation Open
View article: Effect of 6-Aminohexanoic Acid Released from Its Aluminum Tri-Polyphosphate Intercalate (ATP-6-AHA) on the Corrosion Protection Mechanism of Steel in 3.5% Sodium Chloride Solution
Effect of 6-Aminohexanoic Acid Released from Its Aluminum Tri-Polyphosphate Intercalate (ATP-6-AHA) on the Corrosion Protection Mechanism of Steel in 3.5% Sodium Chloride Solution Open
A new corrosion inhibitor called ATP-6-AHA was elaborated, and its inhibition action on S235 low carbon steel in 3.5% sodium chloride (NaCl) was investigated using gravimetry, potentiodynamic polarization (PP), and electrochemical impedanc…
View article: The Growth Behavior of Amorphous Hydrogenated Carbon a-C:H Layers on Industrial Polycarbonates—A Weak Interlayer and a Distinct Dehydrogenation Zone
The Growth Behavior of Amorphous Hydrogenated Carbon a-C:H Layers on Industrial Polycarbonates—A Weak Interlayer and a Distinct Dehydrogenation Zone Open
Polycarbonate (PC) is a material that is used in many areas: automotive, aerospace engineering and data storage industries. Its hardness is of particular importance, but some applications are affected by its low wettability or scratch susc…
View article: Plasma Supported Deposition of Amorphous Hydrogenated Carbon (a-C:H) on Polyamide 6: Determining Interlayer Completion and Dehydrogenation Effects during Layer Growth
Plasma Supported Deposition of Amorphous Hydrogenated Carbon (a-C:H) on Polyamide 6: Determining Interlayer Completion and Dehydrogenation Effects during Layer Growth Open
Polyamide 6 (PA6) is a commonly used material in many different sectors of modern industry. Herein, PA6 samples were coated with amorphous carbon layers (a-C:H) with increasing thickness up to 2 µm using radio frequency plasma enhanced che…
View article: New layered Aluminum tripolyphosphate intercalated 6-amino hexanoic acid (ATP-6-AHA) as corrosion inhibitor in 3.5%NaCl solution
New layered Aluminum tripolyphosphate intercalated 6-amino hexanoic acid (ATP-6-AHA) as corrosion inhibitor in 3.5%NaCl solution Open
The development of efficient inhibitors based on environmentally sustainable compounds for steel protection is of crucial importance for industry but also for the preservation of metallic components. This investigation reports the synthesi…
View article: Productivity enhancement of laser powder bed fusion using compensated shelled geometries and hot isostatic pressing
Productivity enhancement of laser powder bed fusion using compensated shelled geometries and hot isostatic pressing Open
In laser powder bed fusion (L-PBF), the mechanical performance and especially fatigue properties of fabricated parts are significantly improved by hot isostatic pressing (HIP) as the density increases (pores are closed) and the microstruct…
View article: Comparing the Influence of Residual Stress on Composite Materials Made of Polyhydroxybutyrate (PHB) and Amorphous Hydrogenated Carbon (a-C:H) Layers: Differences Caused by Single Side and Full Substrate Film Attachment during Plasma Coating
Comparing the Influence of Residual Stress on Composite Materials Made of Polyhydroxybutyrate (PHB) and Amorphous Hydrogenated Carbon (a-C:H) Layers: Differences Caused by Single Side and Full Substrate Film Attachment during Plasma Coating Open
Polyhydroxybutyrate (PHB) is a bio-based, biodegradable and commercially used polymer, which in its native form is unfortunately not generally applicable. A widely used technique to adapt polymers to a wider range of applications is the su…
View article: Effect of Cellulose Nanocrystals on the Coating of Chitosan Nanocomposite Film Using Plasma-Mediated Deposition of Amorphous Hydrogenated Carbon (a–C:H) Layers
Effect of Cellulose Nanocrystals on the Coating of Chitosan Nanocomposite Film Using Plasma-Mediated Deposition of Amorphous Hydrogenated Carbon (a–C:H) Layers Open
The substitution of petroleum-based polymers with naturally derived biopolymers may be a good alternative for the conservation of natural fossil resources and the alleviation of pollution and waste disposal problems. However, in order to b…
View article: Refinement of Sustainable Polybutylene Adipate Terephthalate (PBAT) with Amorphous Hydrogenated Carbon Films (a-C:H) Revealing Film Instabilities Influenced by a Thickness-Dependent Change of sp2/sp3 Ratio
Refinement of Sustainable Polybutylene Adipate Terephthalate (PBAT) with Amorphous Hydrogenated Carbon Films (a-C:H) Revealing Film Instabilities Influenced by a Thickness-Dependent Change of sp2/sp3 Ratio Open
The increasing use of polymers is related to a growing disposal problem. Switching to biodegradable polymers such as polybutylene adipate terephthalate (PBAT) is a feasible possibility, but after industrial production of commercially avail…
View article: CCDC 1823616: Experimental Crystal Structure Determination
CCDC 1823616: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Correction to: Quantitative analysis of PET microplastics in environmental model samples using quantitative 1H-NMR spectroscopy: validation of an optimized and consistent sample clean-up method
Correction to: Quantitative analysis of PET microplastics in environmental model samples using quantitative 1H-NMR spectroscopy: validation of an optimized and consistent sample clean-up method Open
View article: Changing Contents of Carbon Hybridizations in Amorphous Hydrogenated Carbon Layers (a-C:H) on Sustainable Polyhydroxybutyrate (PHB) Exhibit a Significant Deterioration in Stability, Depending on Thickness
Changing Contents of Carbon Hybridizations in Amorphous Hydrogenated Carbon Layers (a-C:H) on Sustainable Polyhydroxybutyrate (PHB) Exhibit a Significant Deterioration in Stability, Depending on Thickness Open
PHB is a biodegradable polymer based on renewable raw materials that could replace synthetic polymers in many applications. A big advantage is the resulting reduction of the waste problem, as well as the conservation of fossil resources. T…
View article: Cyanobacterial promoted enrichment of rare earth elements europium, samarium and neodymium and intracellular europium particle formation
Cyanobacterial promoted enrichment of rare earth elements europium, samarium and neodymium and intracellular europium particle formation Open
Efficient biosorption and intracellular accumulation of selected rare earth elements from aqueous solutions by cyanobacteria type Anabaena.
View article: Attaching Photochemically Active Ruthenium Polypyridyl Complex Units to Amorphous Hydrogenated Carbon (a‐C:H) Layers
Attaching Photochemically Active Ruthenium Polypyridyl Complex Units to Amorphous Hydrogenated Carbon (a‐C:H) Layers Open
Amorphous hydrogenated carbon (a‐C:H) films are applied 500 nm thick on Si(100) via plasma‐enhanced chemical vapor deposition (PECVD) using ethyne. Present plasma conditions enrich the sp 2 ‐content especially toward the outermost a‐C:H la…
View article: Active thermography for quality assurance of 3D-printed polymer structures
Active thermography for quality assurance of 3D-printed polymer structures Open
Additively manufactured test specimens made of polyamide 12 (PA 12) by Laser Sintering (LS) as well as of acrylnitril-butadien-styrol (ABS) by Fused Layer Modeling (FLM), were tested with active thermography.For this, two different excitat…
View article: Morphological and Chemical Evolution of Gradually Deposited Diamond-Like Carbon Films on Polyethylene Terephthalate: From Subplantation Processes to Structural Reorganization by Intrinsic Stress Release Phenomena
Morphological and Chemical Evolution of Gradually Deposited Diamond-Like Carbon Films on Polyethylene Terephthalate: From Subplantation Processes to Structural Reorganization by Intrinsic Stress Release Phenomena Open
Diamond-like carbon (DLC) films on polyethylene terephthalate (PET) are nowadays intensively studied composites due to their excellent gas barrier properties and biocompatibility. Despite their applicative features being highly explored, t…
View article: Time-dependent growth of crystalline Au<sup>0</sup>-nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. <i>Anabaena cylindrica</i>
Time-dependent growth of crystalline Au<sup>0</sup>-nanoparticles in cyanobacteria as self-reproducing bioreactors: 2. <i>Anabaena cylindrica</i> Open
Microbial biosynthesis of metal nanoparticles as needed in catalysis has shown its theoretical ability as an extremely environmentally friendly production method in the last few years, even though the separation of the nanoparticles is cha…