Search Results: materials

Artifacts In Magnetic Resonance Imaging and Computed Tomography Caused By Dental Materials

dx.plos.org/10.1371/journal.pone.0031766
Background: Artifacts caused by dental restorations, such as dental crowns, dental fillings and orthodontic appliances, are a common problem in MRI and CT scans of the head and neck. The aim of this in-vitro study was to identify and evaluate the artifacts produced by different dental restoration materials in CT and MRI images. Methods: Test samples of 44 materials (Metal and Non-Metal) commonly used in dental restorations were fabricated and embedded with reference specimens in gelati...

Correction: The Support to Rural India's Public Education System (STRIPES) Trial: A Cluster Randomised Controlled Trial of Supplementary Teaching, Learning Material and Material Support

dx.plos.org/10.1371/annotation/75418564-edc5-465e-b94b-1ee3b8cf39e5

Green material selection for sustainability: A hybrid MCDM approach

dx.plos.org/10.1371/journal.pone.0177578
Green material selection is a crucial step for the material industry to comprehensively improve material properties and promote sustainable development. However, because of the subjectivity and conflicting evaluation criteria in its process, green material selection, as a multi-criteria decision making (MCDM) problem, has been a widespread concern to the relevant experts. Thus, this study proposes a hybrid MCDM approach that combines decision making and evaluation laboratory (DEMATEL)...

Silver Wire Amplifies the Signaling Mechanism for IL-1beta Production More Than Silver Submicroparticles in Human Monocytic THP-1 Cells

dx.plos.org/10.1371/journal.pone.0112256
Silver materials have been widely used in diverse fields. However, their toxicity and their mechanism, especially in different forms, have not been studied sufficiently. Thus, cytotoxicity, apoptosis, and interleukin-1beta (IL-1β) production were investigated using macrophage-like THP-1 cells in the presence of Ag microparticles (AgMPs, 2.7 µm), Ag submicroparticles (AgSMPs, 150 nm), and Ag wires (AgWs, 274 nm×5.3 µm). The levels of cytotoxicity, apoptosis, and IL-1β production b...

Training in High-Throughput Sequencing: Common Guidelines to Enable Material Sharing, Dissemination, and Reusability

dx.plos.org/10.1371/journal.pcbi.1004937
The advancement of high-throughput sequencing (HTS) technologies and the rapid development of numerous analysis algorithms and pipelines in this field has resulted in an unprecedentedly high demand for training scientists in HTS data analysis. Embarking on developing new training materials is challenging for many reasons. Trainers often do not have prior experience in preparing or delivering such materials and struggle to keep them up to date. A repository of curated HTS training mate...

In Vitro Antibacterial Activity of a Novel Resin-Based Pulp Capping Material Containing the Quaternary Ammonium Salt MAE-DB and Portland Cement

dx.plos.org/10.1371/journal.pone.0112549
Background: Vital pulp preservation in the treatment of deep caries is challenging due to bacterial infection. The objectives of this study were to synthesize a novel, light-cured composite material containing bioactive calcium-silicate (Portland cement, PC) and the antimicrobial quaternary ammonium salt monomer 2-methacryloxylethyl dodecyl methyl ammonium bromide (MAE-DB) and to evaluate its effects on Streptococcus mutans growth in vitro. Methods: The experimental material was prepar...

Badges to Acknowledge Open Practices: A Simple, Low-Cost, Effective Method for Increasing Transparency

dx.plos.org/10.1371/journal.pbio.1002456
Beginning January 2014, Psychological Science gave authors the opportunity to signal open data and materials if they qualified for badges that accompanied published articles. Before badges, less than 3% of Psychological Science articles reported open data. After badges, 23% reported open data, with an accelerating trend; 39% reported open data in the first half of 2015, an increase of more than an order of magnitude from baseline. There was no change over time in the low rates of data...

Correction: Advanced Glycation Endproducts and Bone Material Properties in Type 1 Diabetic Mice

dx.plos.org/10.1371/journal.pone.0160164

Correction: Analysis of Resin-Dentin Interface Morphology and Bond Strength Evaluation of Core Materials for One Stage Post-Endodontic Restorations

dx.plos.org/10.1371/journal.pone.0118109

Correction: Intrinsic Image Decomposition via Structure-Preserving Image Smoothing and Material Recognition

dx.plos.org/10.1371/journal.pone.0171949

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