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Photochemically Activated 3D Printing Inks: Current Status, Challenges, and Opportunities

ADVANCED MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Challenges and Opportunities in 3D Laser Printing Based on (1+1)-Photon Absorption

Vincent Hahn et al.

Summary: Most light-based 3D printing methods rely on optical or chemical nonlinearities for polymerization reactions. Two-photon absorption is commonly used in 3D micro-and nanoprinting, but this article reviews three emerging processes that allow for quadratic nonlinearity without relying on two-photon absorption, namely upconversion luminescence, two-step absorption, and triplet-triplet annihilation. These (1 + 1)-photon absorption processes enable the use of continuous-wave lasers at lower peak powers and cost compared to two-photon absorption. The article discusses recent progress, challenges, and future perspectives.

ACS PHOTONICS (2023)

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Review Chemistry, Multidisciplinary

Recent Advances of Transition Metal Complexes for Photopolymerization and 3D Printing under Visible Light

Valentina Ferraro et al.

Summary: The use of visible light for polymerization is appealing for its potential in improving the sustainability of the process. Transition metal complexes, with their long-lived excited states and reversible redox properties, are a viable option for photoinitiating systems. This review provides an overview of the transition metal complexes used in photopolymerization reactions, with particular emphasis on recent applications in 3D printing and the challenges in achieving highly efficient and sustainable processes.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Review Chemistry, Multidisciplinary

Introducing Dynamic Bonds in Light-based 3D Printing

Guangda Zhu et al.

Summary: Light-based 3D printing is gaining attention for its high speed and resolution. However, conventional polymeric materials used often have limited adaptability and reprocessability. Introducing dynamic bonds into materials for light-based 3D printing presents a promising strategy to expand applications and meet sustainable design considerations. This article provides an overview of recent advances in dynamic photopolymers for light-based 3D printing and discusses the current challenges and potential applications.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Review Chemistry, Multidisciplinary

Recent Advances on High-Speed and Holographic Two-Photon Direct Laser Writing

Antonio Balena et al.

Summary: Thanks to its high sub-diffraction resolution, Two-Photon Lithography is the preferred lithographic technique for small feature sizes and complex 3D patterning. However, its fabrication times are longer than other techniques, limiting its adoption in industry. Combining it with holography approaches can increase its throughput and make it more suitable for industrial applications.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Two Functions from a Single Photoresist: Tuning Microstructure Degradability from Light-Stabilized Dynamic Materials

Steven C. Gauci et al.

Summary: A photoresist-based on a light-stabilized dynamic material driven by an out-of-equilibrium photo-Diels-Alder reaction is introduced for 3D laser lithography. By adjusting the laser intensity, the postprinting degradation ability can be tuned. The resist's ability to form stable networks that degrade in the dark is transformed into a tunable degradable 3D printing material platform.

ADVANCED MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Covalent Adaptable Microstructures via Combining Two-Photon Laser Printing and Alkoxyamine Chemistry: Toward Living 3D Microstructures

Yixuan Jia et al.

Summary: This article presents a method for manufacturing programmable materials using alkoxyamines for printing. By investigating different reaction processes, the mechanical properties of the material can be adjusted, and the size of the structure can be changed through polymerization reactions.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Polymer Science

Synergistic, Orthogonal, and Antagonistic Photochemistry for Light-Induced 3D Printing

Jan Hobich et al.

Summary: 3D printing techniques often use a single color light, but introducing a second color light can enhance control and open up new possibilities. Recently, printing techniques with two colors of light have emerged, showing great potential for development.

MACROMOLECULAR CHEMISTRY AND PHYSICS (2023)

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Article Polymer Science

Wavelength Selective Multi-Material 3D Printing of Soft Active Devices Using Orthogonal Photoreactions

Elisabeth Rossegger et al.

Summary: Orthogonal photoreactions provide a unique way to locally and independently control the (thermo)mechanical properties and functionality of polymer networks simply by choice of the wavelength. In this study, a library of acrylate functional coumarin monomers is synthesized and cured by sequence-dependent wavelength orthogonality. Through well-targeted design, acrylate-based and thiol-acrylate resin formulations are prepared, enabling the one-step fabrication of multi-material structures by digital light processing (DLP) 3D printing. By using a dual-wavelength printer, objects comprising soft and stiff domains are printed with a single resin vat. The wavelength selective change in the network structure also allows for local control of the glass transition temperature in the 3D-printed objects. Soft active devices with higher T-g and the local programming of multi shapes are demonstrated.

MACROMOLECULAR RAPID COMMUNICATIONS (2023)

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Article Chemistry, Multidisciplinary

Search for Alternative Two-Step-Absorption Photoinitiators for 3D Laser Nanoprinting

N. Maximilian Bojanowski et al.

Summary: Recent studies have introduced a new generation of photoinitiators for 3D laser nanoprinting, replacing two-photon absorption with two-step absorption. This can now be achieved using inexpensive blue laser diodes instead of expensive femtosecond laser systems. Additionally, researchers are exploring alternative photoinitiators that can be excited by one-color two-step absorption and be de-excited by a different laser color.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Multidisciplinary

4D Printing of Shape Memory Polymers: From Macro to Micro

Christoph A. Spiegel et al.

Summary: This paper presents a novel and versatile shape memory ink system that enables 4D printing at both the macroscale and microscale using light. The authors selected digital light processing (DLP) and direct laser writing (DLW) as suitable 3D printing technologies and developed a compatible ink system. They demonstrated the shape memory effect for various complex structures printed using DLP and showed remarkable shape memory properties for microstructures printed using DLW.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Digital light processing 3D printing of multi-materials with improved adhesion using resins containing low functional acrylates

Hyeonwoo Hwangbo et al.

Summary: Digital light processing (DLP) 3D printing has gained attention for its high-resolution capability, mass productivity, and low equipment cost. However, the weak mechanical properties of DLP 3D printouts have limited their industrial use. This study explores the use of multi-materials and reliable adhesion to improve mechanical properties in DLP 3D printing.

KOREAN JOURNAL OF CHEMICAL ENGINEERING (2022)

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Article Chemistry, Analytical

Four-Dimensional Stimuli-Responsive Hydrogels Micro-Structured via Femtosecond Laser Additive Manufacturing

Yufeng Tao et al.

Summary: In this study, a novel femtosecond laser additive manufacturing process with smart materials was presented for the fabrication of interactive hydrogel micro-machines. By modifying the hierarchical polymeric degrees inside the hydrogel matrix, programmable stimuli-responsive matrices were achieved, enabling the mechanization of hydrogels at micro/nanoscale. The as-prepared hydrogels exhibited biocompatibility and tunable mechanics, offering new possibilities for future interdisciplinary applications.

MICROMACHINES (2022)

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Review Chemistry, Multidisciplinary

From Light to Structure: Photo Initiators for Radical Two-Photon Polymerization

Thomas Wloka et al.

Summary: This review focuses on the class of two-photon photo initiators (2PI) used for radical polymerization in two-photon polymerization (2PP) technique. It summarizes the absorption behavior, two-photon cross sections, and polymerization efficiency of different 2PIs. Different design approaches are explored to improve the efficiency of 2PIs.

CHEMISTRY-A EUROPEAN JOURNAL (2022)

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Article Engineering, Manufacturing

Advanced processing of 3D printed biocomposite materials using artificial intelligence

Deepak Verma et al.

Summary: Environmental implications are a key concern in utilizing traditional synthetic polymers for composite applications. Strategic replacement with biodegradable/biocompatible/natural polymeric materials can potentially resolve this issue. Advanced additive manufacturing techniques offer advantages over conventional polymer processing, allowing for the printing of complex parts, reduction of waste, rapid prototyping, and easy product translation.

MATERIALS AND MANUFACTURING PROCESSES (2022)

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Article Polymer Science

Wavelength-Selective Photo-Cycloadditions of Styryl-Anthracene

Jing Bai et al.

Summary: A new type of wavelength-selective photo-cycloaddition of SACA is reported, which can be induced and controlled by visible or UV light. The reversibility and spatiotemporal characteristics of this reaction make SACA have potential applications in self-assembly, dynamic wrinkles, and fluorescence patterns.

MACROMOLECULAR RAPID COMMUNICATIONS (2022)

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Review Polymer Science

Recent Trends in Advanced Photoinitiators for Vat Photopolymerization 3D Printing

Yinyin Bao

Summary: 3D printing has revolutionized manufacturing and has had a significant impact on the biomedical field. Vat photopolymerization-based 3D printing techniques, such as stereolithography (SLA) and digital light processing (DLP), have gained attention due to their high print resolution, fast speed, low cost, and flexibility in resin material design. The development of photoinitiators and photoinitiating systems has progressed alongside the exploration of 3D printing monomers. The design of new photoinitiating systems not only enables faster printing speeds and low-energy visible light fabrication but also introduces new functions and printing methods through the integration of advanced optics.

MACROMOLECULAR RAPID COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Two-colour light activated covalent bond formation

Sarah L. Walden et al.

Summary: In this study, the authors demonstrate the photoligation of azobenzenes through cis/trans photoisomerization and photogenerated ketene. It is found that covalent bond formation can only occur when both colors of light are applied. The research provides insights for the development of a two-color resist.

NATURE COMMUNICATIONS (2022)

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Article Multidisciplinary Sciences

Dual-resolving of positional and geometric isomers of C=C bonds via bifunctional photocycloaddition-photoisomerization reaction system

Guifang Feng et al.

Summary: The authors developed a workflow for deep structural lipidomics to simultaneously identify the position and configuration of double bonds in unsaturated lipids, providing a powerful tool for exploring lipid structural biology.

NATURE COMMUNICATIONS (2022)

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Article Materials Science, Multidisciplinary

High-Resolution Kinoform X-Ray Optics Printed via 405 nm 3D Laser Lithography

Umut T. Sanli et al.

Summary: This study successfully fabricated X-ray optics with higher resolution using a custom-built 3D laser lithography system and verified it through microscopy imaging. This is of significant importance for high-resolution X-ray microscopy and has the potential to reduce the manufacturing cost of X-ray lenses.

ADVANCED MATERIALS TECHNOLOGIES (2022)

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Article Materials Science, Multidisciplinary

Novel, High-Resolution, Subtractive Photoresist Formulations for 3D Direct Laser Writing Based on Cyclic Ketene Acetals

Marco Carlotti et al.

Summary: This study demonstrates the 3D printing of degradable microstructures in DLW with the addition of specific compounds to photoresists, providing new opportunities for novel fabrication procedures. The degradable photoresists can reliably degrade under conditions compatible with other photoresists and common materials.

ADVANCED MATERIALS TECHNOLOGIES (2022)

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Article Polymer Science

Aggregation-Induced Emission Poly(meth)acrylates for Photopatterning via Wavelength-Dependent Visible-Light-Regulated Controlled Radical Polymerization in Batch and Flow Conditions

Congkai Ma et al.

Summary: A visible-light-regulated polymerization protocol was reported for the preparation of high-quality polymers with promising photopatterning capabilities. The method allows for the synthesis of complex copolymers and can be easily adapted for flow setups.

MACROMOLECULES (2022)

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Article Chemistry, Multidisciplinary

Polybenzimidazole-based thiol-ene photosensitive composition for DLP 3D printing

Bato Ch. Kholkhoev et al.

Summary: A photosensitive composition based on N-allylated poly[2,2'-(p-oxydiphenylene)-5,5'-dibenzimidazole] and pentaerythritol tetrakis(3-mercaptopropionate) has been developed, capable of forming cross-linked 3D structures through UV-initiated thiol-ene polymerization.

MENDELEEV COMMUNICATIONS (2022)

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Article Chemistry, Multidisciplinary

3D Printed Microstructures Erasable by Darkness

Steven C. Gauci et al.

Summary: This article introduces a unique photoresist for direct laser writing (DLW) that is capable of printing 3D microstructures which can be erased by exposure to darkness. By using light-stabilized dynamic materials, microstructures that remain stable under continuous green light irradiation but degrade once the light source is switched off are fabricated. In-depth analysis of the degradation and light stabilization properties showcase the potential of this photoresist to control the release and impart responsive behavior onto printed structures.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Visible-Light-Degradable 3D Microstructures in Aqueous Environments

Marvin Gernhardt et al.

Summary: Direct laser writing (DLW), also known as two-photon laser lithography, is an established technique for fabricating functional 3D microstructures. This study introduces a novel photoresist based on the bimane group that can be degraded under mild conditions using water and visible light. The degradation process of the microstructures is tracked and quantified using AFM measurements. The research investigates the influence of writing parameters and degradation conditions, providing clear evidence of effective visible light degradation in aqueous environments. The utility of the photodegradable resist system is demonstrated by incorporating it into multimaterial 3D microstructures.

ADVANCED MATERIALS (2022)

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Article Polymer Science

3D fabrication of Shape-Memory polymer networks based on coumarin Photo-Dimerization

Belkacem Tarek Benkhaled et al.

Summary: In this study, photo-crosslinked shape-memory polymer materials were obtained through the copolymerization of EHMA and CoumMA, demonstrating the potential of coumarin chemistry in additive fabrication. The influence of dye ratio on the properties and shape memory performance of the materials was detailed.

EUROPEAN POLYMER JOURNAL (2022)

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Article Engineering, Chemical

Visible Light 3D Printing of High-Resolution Superelastic Microlattices of Poly(ethylene glycol) Diacrylate/Graphene Oxide Nanocomposites via Continuous Liquid Interface Production

Bingxue Huang et al.

Summary: This study demonstrates the use of a novel photocurable ink with graphene oxide in CLIP 3D printing using a cheap visible light source. The graphene oxide enhances the visible light absorption and improves the mechanical properties of the printed objects. The microstructures printed with this ink exhibit remarkable superelasticity and mechanical performance.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2022)

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Article Optics

Light-sheet 3D microprinting via two-colour two-step absorption

Vincent Hahn et al.

Summary: In recent years, there has been a growing interest in high-speed, high-resolution optics-based 3D printing technology. By combining image projection with optical nonlinearity, researchers have successfully achieved high printing rates with small voxel volumes.

NATURE PHOTONICS (2022)

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Review Chemistry, Physical

Digital light processing 3D printing of hydrogels: a minireview

Hongyao Ding et al.

Summary: This review presents the recent advances in DLP printing of hydrogels and discusses their applications in biomedical, tissue engineering, and other fields. The challenges and future prospects of DLP printing of hydrogels are also explored.

MOLECULAR SYSTEMS DESIGN & ENGINEERING (2022)

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Article Chemistry, Physical

Temperature-Responsive 4D Liquid Crystal Microactuators Fabricated by Direct Laser Writing by Two-Photon Polymerization

Marc del Pozo et al.

Summary: Liquid crystalline photoresists can be used to fabricate highly crosslinked 4D microactuators with unique polarization colors, enabling complex tasks and anti-anticounterfeiting microdevices.

SMALL STRUCTURES (2022)

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Article Materials Science, Multidisciplinary

Digital Light Processing 3D Printing of PDMS-Based Soft and Elastic Materials with Tunable Mechanical Properties

Ke Du et al.

Summary: The developed silicone thiourea resins improve the elasticity of 3D-printed silicones by increasing dynamic noncovalent intermolecular interactions between polymer chains through the introduction of thiourea groups. A molecular design strategy was implemented to adjust the ratio of thiourea segments using oligomeric and polymeric PDMS units. The cured silicone elastomer displayed a maximum elongation of up to 1000% under tensile load and excellent cyclic compression durability, allowing for the 3D printing of PDMS-based objects with complex microarchitectures, high resolution, excellent surface finishing, and low cytotoxicity, with potential applications in medical devices, wearable devices, and soft robotics.

ACS APPLIED POLYMER MATERIALS (2021)

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Article Nanoscience & Nanotechnology

3D-Printed Multi-Stimuli-Responsive Mobile Micromachines

Yun-Woo Lee et al.

Summary: Integrating stimuli-responsive materials with mobile magnetic micromachines can enhance their design toolbox, enabling independently controlled new functional capabilities to be defined. This can inspire future applications of 3D- and 4D-printed multifunctional mobile microrobots for precisely targeted obstructive interventions and lab- and organ-on-a-chip manipulations.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Engineering, Environmental

Digital light fabrication of reversible shape memory polymers

Yunpeng Shi et al.

Summary: In this study, a reversible shape memory polymer with two crystalline phases was fabricated using digital light-curing technology. This approach allows for the creation of special geometric patterns through digitally defined exposure regions with specified time, enabling the achievement of 3D kirigami or origami reversible actuation. The strategy can also be extended to advanced 3D or 4D printing technologies, facilitating the fabrication of sophisticated reprogrammable reversible shape memory devices for various applications, including aerospace.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Chemistry, Multidisciplinary

Action Plots in Action: In-Depth Insights into Photochemical Reactivity

Ishrath Mohamed Irshadeen et al.

Summary: This study utilized measuring action spectra to map covalent bond formation and cleavage, revealing that UV/vis spectra fail to accurately predict photochemical reactivity. The research demonstrates that tunable lasers can selectively excite molecules, allowing for in-depth exploration of the mechanisms of photoinduced reactions.

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY (2021)

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Article Optics

Two-step absorption instead of two-photon absorption in 3D nanoprinting

Vincent Hahn et al.

Summary: This study introduces a two-step absorption process using inexpensive light sources as an alternative to high-resolution fabrication by two-photon absorption with femtosecond lasers. The two-step absorption shows similar quadratic optical nonlinearity as two-photon absorption under suitable conditions, allowing for printing state-of-the-art 3D nanostructures. This work paves the way for drastic miniaturization and cost reduction of 3D laser nanoprinters while addressing issues associated with femtosecond lasers.

NATURE PHOTONICS (2021)

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Review Chemistry, Organic

Recent Visible Light and Metal Free Strategies in [2+2] and [4+2] Photocycloadditions

Marina Sicignano et al.

Summary: The use of photochemical transformations to synthesize complex molecules from simple starting materials is a promising approach in response to the trend towards green and sustainable processes. This Minireview focuses on [2+2] and [4+2] photocycloadditions that do not rely on metal photocatalysts, providing alternative strategies for green chemistry.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2021)

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Review Chemistry, Multidisciplinary

Sustainable advances in SLA/DLP 3D printing materials and processes

Erin M. Maines et al.

Summary: This review summarizes the sustainable advances in SLA/DLP 3D printing to date and offers insights into future directions to improve sustainability in the field. Studies on renewable feedstocks, waste feedstocks, end-of-use strategies, and green chemistry principles for resin synthesis in sustainable 3D printing are highlighted, with a focus on incorporating aspects of sustainability such as recycling and biodegradation as future research directions.

GREEN CHEMISTRY (2021)

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Article Computer Science, Interdisciplinary Applications

Study on artificial intelligence: The state of the art and future prospects

Caiming Zhang et al.

Summary: This study explores popular articles related to artificial intelligence published in recent years in order to provide a review of AI based on industry information integration. It clarifies the current state of the art of AI and aims to contribute important insights for future research. The main contribution is providing a clear overview of the scope of AI for practitioners in the real world.

JOURNAL OF INDUSTRIAL INFORMATION INTEGRATION (2021)

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Proceedings Paper Computer Science, Theory & Methods

Framing Artificial Intelligence (AI) Additive Manufacturing (AM)

Bernhard Heiden et al.

Summary: Additive manufacturing (AM) and artificial intelligence (AI) are rapidly growing fields in manufacturing and information applications, respectively, with scalable logistical and self-referential concepts. They have developed new emerging fields using osmotic concepts, offering prospects for future developments.

14TH INTERNATIONAL SYMPOSIUM INTELLIGENT SYSTEMS (2021)

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Article Polymer Science

Green light LED activated ligation of a scalable, versatile chalcone chromophore

Ishrath Mohamed Irshadeen et al.

Summary: An easily synthesized photoreactive chalcone moiety capable of undergoing photocycloaddition with visible light has been introduced. The chalcone exhibits peak reactivity at 440 nm and can participate in photoligation triggered by light from an LED at 505 nm. This chalcone offers advantages over styrylpyrenes in terms of synthetic efficiency.

POLYMER CHEMISTRY (2021)

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Proceedings Paper Materials Science, Multidisciplinary

A short review on 3D printing methods, process parameters and materials

M. Manoj Prabhakar et al.

Summary: Additive manufacturing technology has a significant impact on the modern world due to its ability to produce complex geometries. The addition of fillers enhances the functionality and flexibility of 3D printing. Adjusting input parameters can optimize output results, aiding in the selection of the most suitable approach for specific applications.

MATERIALS TODAY-PROCEEDINGS (2021)

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Article Chemistry, Physical

Localized vibration and avoided crossing in SrTi11O20 for oxide thermoelectrics with intrinsically low thermal conductivity

Yi Li et al.

Summary: This study introduces a new thermoelectric oxide SrTi11O20, achieving high thermoelectric performance by constructing a rattling system without chemical bonding hierarchy.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

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Article Chemistry, Multidisciplinary

Green-light induced cycloadditions

Philipp W. Kamm et al.

Summary: This study presents a red-shifted tetrazole that can efficiently undergo nitrile imine-mediated tetrazole-ene cycloaddition under blue and green light irradiation. The research provides a detailed wavelength-dependent reactivity map and uses various LEDs for high-conversion modification of small molecules and polymers.

CHEMICAL COMMUNICATIONS (2021)

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Article Chemistry, Multidisciplinary

Recent Advances in Enabling Technologies in 3D Printing for Precision Medicine

Margaret E. Prendergast et al.

ADVANCED MATERIALS (2020)

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Article Polymer Science

Wavelength-Selective Folding of Single Polymer Chains with Different Colors of Visible Light

Hendrik Frisch et al.

MACROMOLECULAR RAPID COMMUNICATIONS (2020)

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Article Materials Science, Multidisciplinary

Nanofabrication on 2D and 3D Topography via Positive-Tone Direct-Write Laser Lithography

Samuli Heiskanen et al.

ADVANCED ENGINEERING MATERIALS (2020)

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Review Chemistry, Multidisciplinary

It's in the Fine Print: Erasable Three-Dimensional Laser-Printed Micro- and Nanostructures

David Grafe et al.

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (2020)

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Revealing the Wavelength Dependence of Photochemical Reactions: Cutting-Edge Research in the Teaching Lab

Sarah L. Walden et al.

JOURNAL OF CHEMICAL EDUCATION (2020)

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Review Chemistry, Multidisciplinary

4D Printing at the Microscale

Christoph A. Spiegel et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Chemistry, Multidisciplinary

Wavelength-Dependent Stiffening of Hydrogel Matrices via Redshifted [2+2] Photocycloadditions

Kubra Kalayci et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

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Article Engineering, Biomedical

Digital light processing 3D printed silk fibroin hydrogel for cartilage tissue engineering

Heesun Hong et al.

BIOMATERIALS (2020)

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[2+2] Photochemical Cycloaddition in Organic Synthesis

Debayan Sarkar et al.

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY (2020)

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Editorial Material Biochemistry & Molecular Biology

Artificial intelligence in chemistry and drug design

Nathan Brown et al.

JOURNAL OF COMPUTER-AIDED MOLECULAR DESIGN (2020)

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Smart additive manufacturing: Current artificial intelligence-enabled methods and future perspectives

YuanBin Wang et al.

SCIENCE CHINA-TECHNOLOGICAL SCIENCES (2020)

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Article Chemistry, Multidisciplinary

Shining Light on Poly(ethylene glycol): From Polymer Modification to 3D Laser Printing of Water Erasable Microstructures

Hannes A. Houck et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Multidisciplinary

3D Two-Photon Microprinting of Nanoporous Architectures

Frederik Mayer et al.

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GASTROINTESTINAL ENDOSCOPY (2020)

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Highly Tunable Thiol-Ene Photoresins for Volumetric Additive Manufacturing

Caitlyn C. Cook et al.

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Green light triggered [2+2] cycloaddition of halochromic styrylquinoxaline-controlling photoreactivity by pH

Kubra Kalayci et al.

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Review Chemistry, Analytical

Application of Stereolithography Based 3D Printing Technology in Investment Casting

Muslim Mukhtarkhanov et al.

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4D printing of shape memory polymer via liquid crystal display (LCD) stereolithographic 3D printing

Wubin Shan et al.

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Automated Real-Time Detection and Prediction of Interlayer Imperfections in Additive Manufacturing Processes Using Artificial Intelligence

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Thermal stability of UV-cured vegetable oil epoxidized acrylate-based polymer system for 3D printing application

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Digital light processing 3D printing of modified liquid isoprene rubber using thiol-click chemistry

Lara Strohmeier et al.

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Acrylate-based photosensitive resin for stereolithographic three-dimensional printing

Xueqian Zhang et al.

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Positive- and negative-tone structuring of crystalline silicon by laser-assisted chemical etching

M. Chambonneau et al.

OPTICS LETTERS (2019)

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Review Health Care Sciences & Services

The Role of 3D Printing in Medical Applications: A State of the Art

Anna Aimar et al.

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3D Printing of Hydrogel Architectures with Complex and Controllable Shape Deformation

Zhongying Ji et al.

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Article Physics, Applied

Sequential infiltration synthesis- and solvent annealing-induced morphological changes in positive-tone e-beam resist patterns evaluated by atomic force microscopy

Yuki Ozaki et al.

JAPANESE JOURNAL OF APPLIED PHYSICS (2019)

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Article Polymer Science

Polydiacetylene-Nanoparticle-Functionalized Microgels for Topical Bacterial Infection Treatment

Jie Tao et al.

ACS MACRO LETTERS (2019)

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Article Chemistry, Multidisciplinary

Tailoring the Mechanical Properties of 3D Microstructures Using Visible Light Post-Manufacturing

Marvin Gernhardt et al.

ADVANCED MATERIALS (2019)

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Article Pharmacology & Pharmacy

Digital light processing (DLP) 3D-printing technology and photoreactive polymers in fabrication of modified-release tablets

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Desolvation Induced Origami of Photocurable Polymers by Digit Light Processing

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Photocure properties of photoreactive polymers high-heat-resistant with cinnamate groups

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Ternary thiol-ene/acrylate photopolymers: Effect of acrylate structure on mechanical properties

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Oxygen inhibition in thiol-acrylate photopolymerizations

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