Richard Prediger
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View article: High‐Precision 3D Doping of Fused Silica Glass Derived from Nanocomposites
High‐Precision 3D Doping of Fused Silica Glass Derived from Nanocomposites Open
Glasses are utilized for their outstanding optical, mechanical, and thermal properties. However, conventional production methods mostly yield in glasses with uniform compositions and material properties. Here a novel lithographic approach …
View article: High‐Resolution Stereolithography of Amorphous, Dense and Mechanically Stable Bioactive Glass
High‐Resolution Stereolithography of Amorphous, Dense and Mechanically Stable Bioactive Glass Open
Bioactive glasses (BG) are used for various applications in bone regeneration due to their ability to promote new bone formation. Porous scaffolds made of BG are of particular interest as they allow fast tissue ingrowth and replacement wit…
View article: Ultra sonic spray coating of silica nanocomposites for smoothening 3D-printed fused silica glass and metal casted injection molding tools
Ultra sonic spray coating of silica nanocomposites for smoothening 3D-printed fused silica glass and metal casted injection molding tools Open
3D printing has gained a lot of interest, enabling the fabrication of complex geometries and the use of a wide range of materials, including glass. However, a major limitation of 3D printing is the surface quality, which often makes it uns…
View article: Bioactive Glass Microscaffolds Fabricated by Two‐Photon Lithography
Bioactive Glass Microscaffolds Fabricated by Two‐Photon Lithography Open
Porous scaffolds made of bioactive glass (BG) are of great interest for tissue engineering as they can bond to bone rapidly and promote new bone formation. Pores and channels between 100 and 500 µm provide space for cell intrusion and nutr…
View article: High‐Resolution Structuring of Silica‐Based Nanocomposites for the Fabrication of Transparent Multicomponent Glasses with Adjustable Properties
High‐Resolution Structuring of Silica‐Based Nanocomposites for the Fabrication of Transparent Multicomponent Glasses with Adjustable Properties Open
Silicate‐based multicomponent glasses are of high interest for technical applications due to their tailored properties, such as an adaptable refractive index or coefficient of thermal expansion. However, the production of complex structure…
View article: Sub‐Micron Replication of Fused Silica Glass and Amorphous Metals for Tool‐Based Manufacturing
Sub‐Micron Replication of Fused Silica Glass and Amorphous Metals for Tool‐Based Manufacturing Open
The growing importance of submicrometer‐structured surfaces across a variety of different fields has driven progress in light manipulation, color diversity, water‐repellency, and functional enhancements. To enable mass production, processe…
View article: Two‐Photon Polymerization of Nanocomposites for Additive Manufacturing of Transparent Magnesium Aluminate Spinel Ceramics
Two‐Photon Polymerization of Nanocomposites for Additive Manufacturing of Transparent Magnesium Aluminate Spinel Ceramics Open
Transparent polycrystalline magnesium aluminate (MAS) spinel ceramics are of great interest for industry and academia due to their excellent optical and mechanical properties. However, shaping of MAS is notoriously challenging especially o…
View article: Tungsten Oxide Coated Liquid Metal Electrodes via Galvanic Replacement as Heavy Metal Ion Sensors
Tungsten Oxide Coated Liquid Metal Electrodes via Galvanic Replacement as Heavy Metal Ion Sensors Open
Gallium liquid metals (LMs) like Galinstan and eutectic Gallium-Indium (EGaIn) have seen increasing applications in heavy metal ion (HMI) sensing, because of their ability to amalgamate with HMIs like lead, their high hydrogen potential, a…
View article: Degradable Poly(styrene sulfonate) Polyanions for Biomedical and Electrochemical Applications
Degradable Poly(styrene sulfonate) Polyanions for Biomedical and Electrochemical Applications Open
The synthesis of poly(styrene sulfonate) with hydrolysable ester groups in the main chain is reported. The material is obtained by free radical copolymerization of either styrene sulfonate sodium salt (SSNa) or styrene sulfonate alkyl este…
View article: Fabrication of Embedded Microfluidic Chips with Single Micron Resolution Using Two‐Photon Lithography
Fabrication of Embedded Microfluidic Chips with Single Micron Resolution Using Two‐Photon Lithography Open
Two‐photon lithography (TPL) is an advanced high‐resolution additive manufacturing technique for objects with feature sizes between 100 nanometers to tens of micrometers and an overall footprint of up to hundreds of micrometers. With recen…
View article: Injection Molding of Magnesium Aluminate Spinel Nanocomposites for High‐Throughput Manufacturing of Transparent Ceramics
Injection Molding of Magnesium Aluminate Spinel Nanocomposites for High‐Throughput Manufacturing of Transparent Ceramics Open
Transparent ceramics like magnesium aluminate spinel (MAS) are considered the next step in material evolution showing unmatched mechanical, chemical and physical resistance combined with high optical transparency. Unfortunately, transparen…
View article: Stimulus‐Responsive Polyelectrolyte Surfaces: Switching Surface Properties from Polycationic/Antimicrobial to Polyzwitterionic/Protein‐Repellent
Stimulus‐Responsive Polyelectrolyte Surfaces: Switching Surface Properties from Polycationic/Antimicrobial to Polyzwitterionic/Protein‐Repellent Open
Surfaces coated with polyzwitterions are most well‐known for their ability to resist protein adsorption. In this article, a surface‐attached hydrophobically modified poly(carboxybetaine) is presented. When protonated by changes of the pH o…
View article: First experimental evidence for the elusive tetrahedral cations [EP<sub>3</sub>]<sup>+</sup> (E = S, Se, Te) in the condensed phase
First experimental evidence for the elusive tetrahedral cations [EP<sub>3</sub>]<sup>+</sup> (E = S, Se, Te) in the condensed phase Open
Cationic tetrahedra: condensed phase access to the tetrahedral cations [EP3]+ (E = S, Se, Te) isoelectronic to P4 or AsP3 was found by the reactions of ECl3[WCA] with P4 ([WCA]− = [Al(ORF)4]− and [F(Al(ORF)3)2]−; –RF = –C(CF3)3).