#nanoparticles is an active hashtag on Bluesky. In the last 30 days, 15 people shared 25 posts with it — around 1 a day. Activity is up 0% versus the previous week, peaking on Aug 28 with 3 posts.
go.tum.de
TUM and Imperial fight against harmful microplastics
TUM and Imperial are jointly researching the negative effects of microplastics and nanoparticles on health in a new center.
www.euronews.com
Could tattoos threaten your defences? Scientists aim to find out
Tattoos may do more than decorate the skin — they could also alter how the body responds to disease, according to new research.
phys.org
Scented cleaners can create nanoparticles that reach deep into the lungs within minutes, tiny-home experiment finds
What does a clean room smell like? Many people say citrus, pine, or flowers because these fragrances are common in cleaning products. A research team led by Brandon Boor found that scent compounds in ...
doi.org
Fully Sensitized Upconversion Nanoparticles as Efficient Catalysts for NIR‐Driven UV Photochemistry
Engineered NaYbF4:Tm3+@NaYF4 nanoparticles, featuring a fully sensitized Yb3+ lattice and an optimized core–shell architecture, convert five 980 nm photons by sequential absorption into a single 345 ...
onlinelibrary.wiley.com
Engineered nanoparticles at the redox interface: Rewiring ROS signaling and stress responses in plants
Engineered nanoparticles reprogram plant redox networks by reshaping reactive oxygen and nitrogen signaling, antioxidant systems, organellar function, and microbiome interactions. This review integra...
doi.org
Synthesis and Characterization of Ternary Metallic Oxide (Zn-Mn-AgO) Nanoparticles and Their Photocatalytic Degradation Performance for Malachite Green Dye
In this work, a Zn-Mn-AgO ternary metal oxide nanoparticle was prepared through a straightforward co-precipitation route and evaluated as a photocatalyst for degrading malachite green dye. We used Sca...
en.killbait.com
Novel Nanoparticle System Targets Tumor Microenvironment to Enhance Immune Response in Cancer Therapy
The article discusses a groundbreaking cancer therapy developed by researchers at the University of Adelaide, led by Professor Chunxia Zhao. The treatment utilizes 'smart' nanoparticles to deliver mRNA directly to tumor sites, specifically targeting tumor-associated macrophages that have been reprogrammed by cancer to suppress immune responses. The mRNA carries instructions for producing CXCL9, a chemical signal that recruits T cells, which are critical for attacking cancer cells. The nanoparticles are designed with antibodies that bind to TREM2, a protein found on immunosuppressive macrophages, ensuring precise delivery to the tumor microenvironment. Additionally, the nanoparticles carry resiquimod, a drug that stimulates immune pathways. Laboratory results showed that macrophages began producing CXCL9 and other immune markers, with NOS2 expression increasing by 89.5 times. In mouse models with aggressive breast cancer, three doses of the therapy slowed tumor growth, increased CXCL9 concentration by four times compared to controls, and enhanced T-cell activity. The treatment also reduced immunosuppressive macrophages by 63 percent. When combined with existing immunotherapies like checkpoint inhibitors, the therapy showed increased T-cell diversity within tumors and lymph nodes, suggesting potential for more durable immune responses. The researchers emphasized that while the results are promising, further studies are needed to assess safety before human trials. Professor Zhao described this as an important proof of concept for reprogramming the tumor immune environment using mRNA and nanoparticle technology, laying the groundwork for more targeted cancer immunotherapies. The article highlights the potential of mRNA technology, previously popularized by COVID-19 vaccines, to be adapted for cancer treatment with enhanced precision and reduced side effects through targeted delivery systems.
www.eurekalert.org
Unveiling how nanoparticles create iridescence in ancient ceramics
Scientists led by the Universitat Politècnica de Barcelona and the ESRF, the European Synchrotron, have revealed the chemical reactions in nanoparticles that created a unique, shimmering effect in the painting of 9th century Islamic ceramics. The results are out now in Science Advances.
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