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Over time, the interest in developing stable photosensitizers (PS) which both absorb and emit light in the red region (650 and 950 nm) has gained noticeable interest. Recently, carbon dots (CDs) have become the material of focus to act as a PS due to their high extinction coefficient, low cytotoxicity, and both high photo and thermal stability. In this work, a Federal and Drug Association (FDA) approved Near Infra-Red (NIR) organic fluorophore used for photo-imaging, indocyanine green (ICG), has been explored as a precursor to develop water-soluble red emissive CDs which possess red emission at 697 nm. Furthermore, our material was found to yield favorable red-imaging capabilities of glioblastoma stem-like cells (GSCs) meanwhile boasting low toxicity. Additionally with post modifications, our CDs have been found to have selectivity towards tumors over healthy tissue as well as crossing the blood-brain barrier (BBB) in zebrafish models.
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http://dx.doi.org/10.1016/j.jcis.2023.07.107 | DOI Listing |
Rev Esc Enferm USP
September 2025
Universidade Estadual Paulista, Faculdade de Medicina, Botucatu, SP, Brazil.
Objective: To evaluate the effectiveness of intravenous laser irradiation of blood in reducing viral load and increasing LT-CD4+ and LT-CD8+ in people living with HIV/AIDS.
Method: Randomized, controlled, parallel, single-blind clinical trial. Twenty-eight participants were allocated to the intervention (ILIB n = 15) and control (CTRL n = 13) groups.
Adv Mater
September 2025
Key Laboratory of In-Fiber Integrated Optics of Ministry of Education, College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin, 150001, China.
Recently, joint replacement surgery is facing significant challenges of patient dissatisfaction and the need for revision procedures. In-situ monitoring of stress stability at the site of artificial joint replacement during postoperative evaluation is important. Mechanoluminescence (ML), a novel "force to light" conversion technology, may be used to monitor such bio-stress within tissues.
View Article and Find Full Text PDFJ Cereb Blood Flow Metab
September 2025
Achucarro Basque Center for Neuroscience, Leioa, Spain.
Adenosine A receptors (AARs) have shown promising therapeutic properties despite their controversial role in modulating stroke outcome. However, the temporal evolution of cerebral AARs density after cerebral ischemia and its subsequent neuroinflammatory response have been scarcely explored. In this study, the expression of AARs after transient middle cerebral artery occlusion (MCAO) was evaluated in rats by positron emission tomography (PET) with [C]SCH442416 and immunohistochemistry (IHC).
View Article and Find Full Text PDFPhys Chem Chem Phys
September 2025
School of Materials Science and Engineering, Changchun University of Science and Technology Changchun, 130022, Jilin, People's Republic of China.
The synergistic effect of various ions with optical properties is an important method to regulate the Er ion upconversion luminescence process. However, the energy processes between them are complicated and difficult to separate, and it is challenging to clarify the results of each process when multiple ions are co-doped. Herein, a series of NaYF:Er were synthesized by the low-temperature combustion method, and the luminescence color of Er ions was modulated by doping Yb ions and Tm ions.
View Article and Find Full Text PDFJ Hazard Mater
September 2025
Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of Soil and Water Conservation and Ecological Restoration of Jiangsu Province, College of Forestry & College of Soil and Water Conservation, Nanjing Forestry University, Nanjing, Jiangsu Province 210037, China.
Pollutants from industrial emissions and traffic accumulate in urban soils as road dust, carrying heavy metals (HMs) posing ecological and health risks. Magnetic susceptibility (MS), sensitive to ferromagnetic minerals, enables rapid HM contamination assessment. This study developed the Modified Dual-Threshold MS Evaluation Plot for Soil Contamination (M-Plot) using χ and χ% indices.
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