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Thermally and Base-Triggered "Debond-on-Demand" Chain-Extended Polyurethane Adhesives.
Macromolecules
January 2025
Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, U.K.
A series of novel chain-extended polyurethanes (CEPUs) featuring degradable sulfonyl ethyl urethane chain-extenders that permit degradation under base-triggered conditions to afford "debond-on-demand" elastomeric adhesives are reported. Exposure of the CEPUs to -butylammonium fluoride (TBAF) triggered the degradation of the sulfonyl ethyl urethane chain-extenders. Lap shear adhesion tests of the CEPUs exposed to TBAF revealed reductions in shear strength of up to 65% for both aluminum and glass substrates, from 2.
View Article and Find Full Text PDFAutomatic image quality evaluation in digital radiography using a modified version of the IAEA radiography phantom allowing multiple detection tasks: A multi detection task IAEA radiography phantom.
J Appl Clin Med Phys
January 2025
Medical Physics Section, OHS Department, Hamad Medical Corporation, Doha, Qatar.
Purpose: To evaluate image quality (IQ) of for-processing (raw) and for-presentation (clinical) radiography images, under different exposure conditions and digital image post-processing algorithms, using a phantom that enables multiple detection tasks.
Methods: A modified version of the radiography phantom described in the IAEA Human Health Series No. 39 publication was constructed, incorporating six additional Aluminum (Al) targets of thicknesses both smaller and larger than the standard one.
Aluminum Induces Neurotoxicity through the MicroRNA-98-5p/Insulin-like Growth Factor 2 Axis.
ACS Chem Neurosci
January 2025
Department of Occupational Health, School of Public Health, Shanxi Medical University, Taiyuan, Shanxi 030001, China.
Aluminum is a well-known and widely distributed environmental neurotoxin. This study aimed to investigate the effect of miR-98-5p targeting insulin-like growth factor 2 (IGF2) on aluminum neurotoxicity. Thirty-two Sprague-Dawley rats were randomly divided into four groups and administered 0, 10, 20, and 40 μmol/kg maltol aluminum [Al(mal)], respectively.
View Article and Find Full Text PDFSystemic Lupus Erythematosus (SLE) Induced by ASIA Syndrome After the Aesthetic Medicine Procedures-A Case Report.
J Clin Med
December 2024
Department of Rheumatology, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, 10-719 Olsztyn, Poland.
The autoimmune/inflammatory syndrome induced by adjuvants (ASIA) is a rare condition caused by an immune response associated with over-reactivity of the immune system, triggered by adjuvants. The most common adjuvants are aluminium salts but can also be bioimplants or infectious agents. It may lead to the development of various autoimmunologic diseases.
View Article and Find Full Text PDFThe Potential Metalloestrogenic Effect of Aluminum on Breast Cancer Risk for Antiperspirant Users.
Int J Mol Sci
December 2024
Students' Scientific Society at the Department of Toxicology, Faculty of Pharmacy, Wroclaw Medical University, 50-556 Wroclaw, Poland.
The etiopathogenesis of breast cancer depends on genetic conditions, but recently more attention has been paid to the dependence of BC on certain environmental factors, for example, metalloestrogens, which include aluminum (Al) contained in antiperspirants used daily. The use of Al derivatives in antiperspirants in concentrations specified by the FDA, as well as European regulations (SCCS, 2020), do not classify Al as a hazardous and carcinogenic substance for humans. However, Al used to treat excessive sweating raises concerns, as many in vitro studies indicate that it can cause gene instability, change gene expression or increase oxidative stress, and also affect the body's hormonal balance as a metalloestrogen.
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