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A high-valence bismuth(V) nanoplatform triggers cancer cell death and anti-tumor immune responses with exogenous excitation-free endogenous HO- and O-independent ROS generation.
Nat Commun
January 2025
State Key Lab of Metal Matrix Composites School of Materials Science and Engineering Shanghai Jiao Tong University 800 Dongchuan Road, Shanghai, P. R. China.
Reactive oxygen species with evoked immunotherapy holds tremendous promise for cancer treatment but has limitations due to its dependence on exogenous excitation and/or endogenous HO and O. Here we report a versatile oxidizing pentavalent bismuth(V) nanoplatform (NaBiO-PEG) can generate reactive oxygen species in an excitation-free and HO- and O-independent manner. Upon exposure to the tumor microenvironment, NaBiO-PEG undergoes continuous H-accelerated hydrolysis with •OH and O generation through electron transfer-mediated Bi-to-Bi conversion and lattice oxygen transformation.
View Article and Find Full Text PDFBiS/BiO(OH) nanorods with internal electric field throughout the entire bulk phase as photoelectrochemical sensing platforms for CYFRA21-1 immunoassay.
Anal Chim Acta
February 2025
Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, 250022, Jinan, PR China; Department of Chemistry, Sungkyunkwan University, 16419, Suwon, Republic of Korea. Electronic address:
Photoelectrochemical (PEC) immunosensors are highly promising tools for monitoring biochemical molecules. Constructing high-performance heterojunctions is a general method to improve the sensitivity of PEC immunosensors. The internal electric field (IEF) formed at the heterojunction interface plays a crucial role in coordinating the separation of photogenerated carriers.
View Article and Find Full Text PDFPromoting Angiogenesis/Osteogenesis by a New Copper/Magnesium Hydroxide Hybrid Nanoparticle: In Vitro and In Vivo Investigation.
J Biomed Mater Res A
January 2025
Marquette University School of Dentistry, Milwaukee, Wisconsin, USA.
In this study, a new hybrid nanoparticle composed of magnesium hydroxide and copper oxide (Mg(OH)/CuO) with an optimized ratio of magnesium (Mg) to copper (Cu) was designed and incorporated into a 3D-printed scaffold made of polycaprolactone (PCL) and gelatin. These hybrid nanostructures (MCNs) were prepared using a green, solvent-free method. Their topography, surface morphology, and structural properties were characterized using scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS).
View Article and Find Full Text PDFEvaluating duloxetine for pruritus and psychiatric comorbidities in lichen simplex chronicus.
Arch Dermatol Res
January 2025
The Dermatology Department of the Central Military Hospital of the Ministy of Defense, Baku, Azerbaijan.
The use of antidepressant medications in the treatment of lichen simplex chronicus (LSC) also known as neurodermatitis, is not well-documented in the literature. The primary aim of our study is to evaluate the impact of duloxetine 30 mg on the quality of life in patients with LSC, focusing on both pruritus and psychopathological aspects. The secondary aim is to investigate the relationship between LSC and anxiety and depression.
View Article and Find Full Text PDFA comparative evaluation of rehabilitation approaches for ecological recovery in arid limestone mine sites.
J Environ Manage
January 2025
College of Resources and environmental Sciences, Gansu Agricultural University, Lanzhou, 730070, China. Electronic address:
Limestone mining in arid regions, particularly within fragile environments, leads to severe environmental pollution and ecological degradation. Developing a scientifically sound and effective ecological rehabilitation strategy is therefore critical. This study constructed a three-dimensional ecological rehabilitation model integrating soil amelioration and vegetation reconstruction.
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