Publications de Paul Delrot | EPFL Graph Search

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Silicate glasses have played a major role as structural and functional materials in human civilization since ancient Egypt. Despite their widespread use and importance in modern society, silica glasses with complex geometries are only fabricated in automat ...

Organ- and tissue-level biological functions are intimately linked to microscale cell-cell interactions and to the overarching tissue architecture. Together, biofabrication and organoid technologies offer the unique potential to engineer multi-scale living ...

Micro-additive manufacturing has become an enabling technology in biomedical research as it allows for instance creating functional microstructures or studying cellular interactions at the microscale. Among the various manufacturing techniques laser-actuat ...

3D printing has revolutionized the manufacturing of volumetric components and structures in many areas. Several fully volumetric light-based techniques have been recently developed thanks to the advent of photocurable resins, promising to reach unprecedent ...

Drop-on-demand inkjet printing is mostly based on thermal and piezo-actuation, allowing for densely packed nozzles in inkjet printers. However, the droplet diameter is typically defined by the nozzle diameter, thus limiting the range of viscosity that can ...

Jet injection devices have been studied and developed for transdermal drug delivery to avoid the use of needles. Due to bulky actuation mechanisms, they are limited to body areas that are easy to reach such as skin. Here, we demonstrate a thin and long liq ...

In volumetric additive manufacturing, an entire three-dimensional object is simultaneously solidified by irradiating a liquid photopolymer volume from multiple angles with dynamic light patterns. Because this technique is based on 3D light dose accumulatio ...

Biofabrication technologies, including stereolithography and extrusion-based printing, are revolutionizing the creation of complex engineered tissues. The current paradigm in bioprinting relies on the additive layer-by-layer deposition and assembly of repe ...

The on-demand generation of viscous microdroplets to print functional or biological materials remains challenging using conventional inkjet-printing methods, mainly due to aggregation and clogging issues. In an effort to overcome these limitations, we impl ...

3D printing as a tool to generate complicated shapes from CAD files, on demand, with different materials from plastics to metals, is shortening product development cycles, enabling new design possibilities and can provide a mean to manufacture small volume ...

Fast liquid jets are investigated for use as a needle-free drug delivery system into an elastic tissue such as skin. Using smaller jet diameters in a repetitive regime can mitigate bruising and pain associated with current injectors. In this study, we aim ...

The present invention is related to a method and apparatus for the volumetric fabrication of three-dimensional objects or articles from photoresponsive materials loaded with scattering particles, by adjusting the refractive index of said photoresponsive ma ...

Tomographic additive manufacturing produces complex parts with a wide range of printable materials but remains limited in terms of resolution. Here, the authors tune the etendue of the light source and accurately control the photopolymerization kinetics us ...

A method for producing a three-dimensional object comprising computing a sequence of back-projections describing the three-dimensional object to be formed from different orientation angles of said object, defining a sequence of patterns of light using said ...

Harnessing light for cross-linking of photoresponsive materials has revolutionized the field of 3D printing. A wide variety of techniques leveraging broad-spectrum light shaping have been introduced as a way to achieve fast and high-resolution printing, wi ...

The present invention is related to a method of digitally compensating distortions of rays of a light beam in tomography- based additive manufacturing, wherein said tomography-based additive manufacturing involves projecting light patterns from multiple an ...

Photoresponsive materials for use with a volumetric additive manufacturing system are described herein. Some embodiments of photoresponsive materials described herein include at least one constituent selected from the group consisting of (i) a thiol-contai ...

Two-photon additive manufacturing of ceramic materials has demon-strated high-precision manufacturing of tools at the micrometer scale. Here, we propose single photon volumetric additive manufacturing toovercome limitations on print size and which avoid th ...

Paul Delrot

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Multimaterial Volumetric Printing of Silica-Based Glasses

Volumetric Bioprinting of Organoids and Optically Tuned Hydrogels to Build Liver-Like Metabolic Biofactories

Compact laser-assisted tools for high-resolution additive manufacturing

Controlling Light in Scattering Materials for Volumetric Additive Manufacturing

Laser-assisted inkjet printing of highly viscous fluids with sub-nozzle resolution

Needle-free delivery of fluids from compact laser-based jet injector

Smart 3D Volumetric Printing

Volumetric Bioprinting of Complex Living-Tissue Constructs within Seconds

Inkjet Printing of Viscous Monodisperse Microdroplets by Laser-Induced Flow Focusing

High-Speed Volumetric Bioprinting Approach For Biofabrication Of Complex Living Tissue Structures

Complex light in 3D printing

High Resolution Light-Based 3D Printing Of Cell-Laden Bio Constructs

Repetitive regime of highly focused liquid microjets for needle-free injection

Method and apparatus for volumetric additive manufacturing of cell-loaded resins

High-resolution tomographic volumetric additive manufacturing

Methods and apparatus for three-dimensional fabrication by tomographic back projections

Light from Afield: Fast, High-Resolution, and Layer-Free Deep Vat 3D Printing

Method and apparatus for volumetric additive manufacturing with digital distortion compensation

Photoresponsive materials for volumetric additive manufacturing

Volumetric Additive Manufactuing of Ceramics