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Effect of post-processing on the surface, optical, mechanical, and dimensional properties of 3D-printed orthodontic clear retainers.
Clin Oral Investig
January 2025
School of Materials Science and Innovation, Faculty of Science, Mahidol University, Phuttamonthon 4 Road, Salaya, Phuttamonthon District, Nakhon Pathom, 73170, Thailand.
Objectives: To address the high surface roughness and poor optical properties of three-dimensional (3D) printed orthodontic clear retainers, an alternative post-processing protocol was investigated with the goal of achieving improved surface, optical, and mechanical properties while preserving dimensional accuracy.
Materials And Methods: Samples were prepared from two biocompatible methacrylate-based 3D-printing resins (Formlabs Dental LT Clear V2, NextDent OrthoFlex) and one thermoplastic material (Duran). For the 3D-printed resins, one group was post-processed by rinsing in isopropyl alcohol, while another group was centrifuged before post-curing in glycerine.
Environmental bioremediation of pharmaceutical residues: microbial processes and technological innovations: a review.
Bioprocess Biosyst Eng
January 2025
Faculty of Civil Engineering & Built Environment, Universiti Tun Hussein Onn Malaysia, Batu Pahat, 86400, Parit Raja, Johor, Malaysia.
The ubiquitous presence of pharmaceuticals and personal care products (PPCPs) in the environment has become a significant concern due to their persistence, bioaccumulation potential in biota, and diverse implications for human health and wildlife. This review provides an overview of the current state-of-the-art in environmental bioremediation techniques for reducing pharmaceutical residues, with a special emphasis on microbial physiological aspects. Numerous microorganisms, including algae, bacteria or fungi, can biodegrade various pharmaceutical compounds such as antibiotics, analgesics and beta-blockers.
View Article and Find Full Text PDFGene expression and DNA methylation changes in response to hypoxia in toxicant-adapted Atlantic killifish (Fundulus heteroclitus).
Biol Open
January 2025
Biology Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543,USA.
Coastal fish populations are threatened by multiple anthropogenic impacts, including the accumulation of industrial contaminants and the increasing frequency of hypoxia. Some populations of the Atlantic killifish (Fundulus heteroclitus), like those in New Bedford Harbor (NBH), Massachusetts, USA, have evolved a resistance to dioxin-like polychlorinated biphenyls (PCBs) that may influence their ability to cope with secondary stressors. To address this question, we compared hepatic gene expression and DNA methylation patterns in response to mild or severe hypoxia in killifish from NBH and Scorton Creek (SC), a reference population from a relatively pristine environment.
View Article and Find Full Text PDFThe regulatory role of KIAA1429 in epithelial-mesenchymal transition in cervical cancer via mediating m6A modification of BTG2.
Cytotechnology
February 2025
Department of Gynecology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003 Guizhou China.
Unlabelled: Cervical cancer (CC) represents one of the important cancers affecting global female population worldwide. We sought to elucidate the roles and mechanisms of KIAA1429 in the malignant properties of CC cells and the epithelial-mesenchymal transition (EMT) process. KIAA1429 was predicted to be abnormally expressed in CC and correlate with shortened survival of CC patients by GEPIA2 and GSCA databases.
View Article and Find Full Text PDFConstruction and high-throughput screening of gradient nanowire coatings on titanium surface towards ameliorated osseointegration.
Mater Today Bio
February 2025
Shanxi Key Laboratory of Biomedical Metal Materials, College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan, 030024, China.
Surface nano-modification has emerged as an effective strategy to enhance osseointegration of titanium (Ti) implants. Despite its promise, rational optimization of surface nanomorphology for ameliorated osseointegration remains a significant challenge. Our research pioneering developed a one-step alkali etching technique to produce a gradient nanowire coating with continuously varied dimensions on Ti surfaces, which was subsequently served as a versatile platform for high-throughput screening of optimal dimensions to enhance osseointegration.
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