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Impact of 3D printing orientation on accuracy, properties, cost, and time efficiency of additively manufactured dental models: a systematic review.
BMC Oral Health
December 2024
Prosthodontics Department, Faculty of Dentistry, Ibb University, Salabat Alsyedah Arwa, 70270, Ibb, Yemen.
Background: The evidence on the effect of printing orientation on dimensional accuracy and properties of resinous dental models is unclear. This systematic review aimed to assess the impact of printing orientation on the accuracy and properties of additively manufactured resinous dental models, besides the cost, material consumption, and time efficiency at different orientations.
Methods: A comprehensive web search (PubMed, Scopus, Cochrane) was performed in July 2024 without language restrictions.
The Negative Regulators of the Basal Defence WRKY7, WRKY11 and WRKY17 Modulate the Jasmonic Acid Pathway and an Alternative Splicing Regulatory Network in Response to Pseudomonas syringae in Arabidopsis thaliana.
Mol Plant Pathol
December 2024
Centro de Biotecnología Vegetal, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.
In Arabidopsis thaliana, the transcription factors WRKY7, WRKY11 and WRKY17 act as negative defence regulators against Pseudomonas syringae pv. tomato (Pst) DC3000. However, their coordinated regulation of gene expression has yet to be fully explored.
View Article and Find Full Text PDFSteering perovskite precursor solutions for multijunction photovoltaics.
Nature
December 2024
Clarendon Laboratory, Department of Physics, University of Oxford, Oxford, UK.
Multijunction photovoltaics (PVs) are gaining prominence owing to their superior capability of achieving power conversion efficiencies (PCEs) beyond the radiative limit of single-junction cells, where improving narrow bandgap tin-lead perovskites is critical for thin-film devices. With a focus on understanding the chemistry of tin-lead perovskite precursor solutions, we herein find that Sn(II) species dominate interactions with precursors and additives and uncover the exclusive role of carboxylic acid in regulating solution colloidal properties and film crystallisation, and ammonium in improving film optoelectronic properties. Materials that combine these two function groups, amino acid salts, considerably improve the semiconducting quality and homogeneity of perovskite films, surpassing the effect of the individual functional groups when introduced as part of separate molecules.
View Article and Find Full Text PDFMultiple Polarization States in Hf ZrO Thin Films by Ferroelectric and Antiferroelectric Coupling.
Adv Mater
December 2024
Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, School of Materials Science and Engineering, Xiangtan University, Xiangtan, 411105, China.
HfO-based multi-bit ferroelectric memory combines non-volatility, speed, and energy efficiency, rendering it a promising technology for massive data storage and processing. However, some challenges remain, notably polarization variation, high operation voltage, and poor endurance performance. Here we show Hf ZrO (x = 0.
View Article and Find Full Text PDFMicroscopic Identification, Phytochemical Analysis, and Study of Antioxidant Properties of Branches, Leaves, and Fruits of Kazakh Medicine .
Molecules
November 2024
College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi 830017, China.
, a deciduous shrub from the Adoxaceae family, is a traditional Kazakh medicine used in Xinjiang, China. Its branches, leaves, and fruits are used to treat fractures, rheumatoid arthritis, and nephritis. To advance research on , we conducted studies on its microscopic identification, chemical composition, and biological activity.
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