To elaborately fabricate real‐time monitoring and therapeutic function into a biocompatible nanoplatform is promising route in the cancer therapy field. However, package of diagnosis treatment single‐“element” nanoparticle remains challenge. Herein, ultrasmall poly(vinylpyrrolidone)‐protected bismuth nanodots (PVP‐Bi nanodots) are successfully synthesized through an ultrafacile strategy (1 min only under ambient conditions). The easy to synthesize both laboratory large scale using low‐cost...

Upconversion (UC) nanoparticles (UCNPs) have evoked considerable attention in many fields owing to their fascinating features. However, rigorous synthesis conditions and expensive raw materials often limit further applications. Here, a novel hexagonal phase NaBiF 4 UC matrix through very facile method (one min only at room temperature) is synthesized. The show good monodispersity with uniform size. Under the 980 nm irradiation, Yb 3+ /Ln (Ln = Er, Ho, Tm) codoped excellent luminescence...

Novel flower-like α-NaYb(Mn)F4:Er(3+)/Tm(3+)@NaYF4 upconversion nanoparticles (UCNPs) as luminescent nanothermometers have been developed by combining liquid-solid solution hydrothermal strategy with thermal decomposition strategy. Under 980 nm excitation, they exhibit intense luminescence and temperature-dependent over a wide temperature range. The influence of on "band-shape" (UCL) spectra the intensity emission bands are analyzed discussed in detail. We further successfully test verify...

Atomically dispersed Fe and Co on N-doped carbon were prepared as ORR Zn–air battery catalysts, the synergetic effect between Fe–N₄ Co–N₄ was demonstrated by electrochemical results density functional theory calculations.

Abstract Despite many Eu 2+ ‐doped phosphors having been synthesized by different methods, a simple synthetic strategy for high‐performance remains one of the significant challenges phosphor‐conversion white light‐emitting diodes. Herein, novel broad‐band excitation yellow phosphor Ba 0.985 Al 4 Sb 2 O 12 :0.015Eu (BASO:Eu ) with high thermal stability (423 K, 94%) and internal quantum efficiency (96.7%) are reported. More importantly, is solid‐state reaction at temperatures in air....

In this work, water-soluble Yb3+/Er3+ codoped Bi2O3 upconversion (UC) nanospheres with uniform morphology have been successfully synthesized via a solid-state-chemistry thermal decomposition process. With 980 nm near-infrared irradiation, the Bi2O3:Yb3+/Er3+ bright UC luminescence (UCL). Moreover, multicolor emissions (from green to red) can be tuned by simply changing Yb3+ ions doping concentration. After citric acid molecules were grafted on surface of Bi2O3:20% Yb3+/2% Er3+ nanospheres,...

In this paper, intense up- and down-conversion luminescence were successfully achieved in well designed synthesized core–shell structured NaLuF4:Gd/Yb/Er@NaLuF4:Yb@NaLuF4:Nd/Yb@NaLuF4 nanoparticles (NPs) simultaneously under 808 nm continuous-wave laser excitation. The morphologies, luminescent properties energy transfer mechanism of the studied detail. By employing design, multimodal imaging performance including near-infrared optical X-ray computed tomography (CT) realized one kind NPs....

Bioimaging probes have been extensive studied for many years, while it is still a challenge to further improve the image quality precise diagnosis in clinical medicine. Here, monodisperse NaGdF4:Yb3+,Tm3+,x% Bi3+ (abbreviated as GYT-x% Bi3+, x = 0, 5, 10, 15, 20, 25, 30) upconversion nanoparticles (UCNPs) prepared through solvothermal method. The near-infrared emission intensity of GYT-25% has enhanced remarkably than that NaGdF4:Yb3+,Tm3+ (GYT) with factor ∼60. Especially, band centered at...

The novel Cu–Ag₂S/PVP NPs with high photothermal conversion efficiency could be employed as effective photoacoustic imaging guided therapy agents.

The facile synthesis and surface modification of lanthanide doped Bi₂O₃ nanospheres, their applications for temperature sensing optical imaging.

The modification of PAA on the surface NaBiF₄:Yb³⁺/Er³⁺ UCNPs could effectively improve UCL quantum yield and temperature sensing behavior UCNPs.

The crystal phase/shape and upconversion luminescence properties of NaYF₄:Yb/Er crystals could be fine-tuned through doping with Cu²⁺ ions.

Abstract Materdicine‐augmented sonodynamic therapy has emerged as an efficient noninvasive strategy for cancer treatment by generating reactive oxygen species associated with the cavitation effect and sonosensitizers. However, semiconductor‐based inorganic nanosonosensitizers have undesirable nondegradability, which can cause unsatisfactory therapeutic efficacy potential toxicity. With aim of overcoming this obstacle, in study, Mo‐assisted Te (MT) high oxidative degradation abilities are...

Abstract Deep‐buried tissue, extremely hypoxic blood supply, and complex tumor microenvironment are considered to be the hardest difficult barriers accurate treatment of pancreatic cancer. Herein, a novel Au@Co 3 O 4 (AC)‐polyvinylpyrrolidone (AC‐PVP) sonocatalytic agent radiation sensitizer with multicore–shell structure synthesized by mild reduction method for reshaping special physiological environment Oxygen storms can generated under ultrasonic activation in situ catalyzed H 2 tissue....

The generally undesirable bandgap and electron-hole complexation of inorganic sonosensitizers limit the efficiency reactive oxygen species (ROS) generation, affecting effectiveness sonodynamic therapy (SDT). Comparatively, novel polyvinylpyrrolidone-modified copper bismuthate (PCBO) are manufactured for a "three-step" SDT promotion. In brief, first, strong hybridization between Bi 6s O 2p orbitals in PCBO narrows (1.83 eV), facilitating rapid transfer charge carriers. Additionally, nonequivalent [CuO

Developing a biocompatible nanotheranostic platform integrating diagnostic and therapeutic functions is great prospect for cancer treatment. However, it still challenge to synthesize agents using an ultra-facile method. In the research reported here, ultrasmall polyethylenimine-protected silver bismuth sulfide (PEI-AgBiS2) nanodots were successfully synthesized environmentally friendly strategy (1 min only at room temperature), which could be described as "rookie method". PEI-AgBiS2 show...

Recent development of precise nanomedicine has aroused an overwhelming interest in integration diagnosis and treatment for cancers. Designing renal-clearable targeting nanoparticles (NPs) specific cancer theranostic implications remains a challenging task. In this work, the ultrasmall folic acid (FA) bovine serum albumin-modified Bi-Bi2S3 heterostructure NPs (Bi-Bi2S3/BSA&FA NPs) with excellent computed tomography (CT) photoacoustic imaging abilities outstanding photothermal performances...

Contrast agents for multimodal imaging are in high demand cancer diagnosis. To date, integration of T1/T2-weighted magnetic resonance (MRI) and X-ray computed tomography (CT) capabilities one system to obtain an accurate diagnosis still remains challenging. In this work, biocompatible PEGylated GdF3:Fe nanoparticles (PEG-GdF3:Fe NPs) were reasonable designed synthesized as multifunctional contrast efficient MRI CT imaging. Owing the enhanced permeability retention effect vivo, strong T1...

Polyvinylpyrrolidone-modified CuS nanocrystals (CuS NCs) with high photothermal conversion efficiency (46%) and pH near-infrared (NIR) light-triggered degradation properties are a promising nanotheranostic platform for in situ magnetic resonance imaging (MRI)-guided synergistic photodynamic therapy. On the one hand, (102) surface of NCs has small bandgap based on density functional theory, which leads to efficiency. other S vacancy formation energy is favourable. entry into tumor cells...

With the fast development of nanomedicine, imaging-guided and photo-induced cancer monotherapies can efficiently eliminate tumor lesions, which are strongly dependent on construction versatile theranostic nanoplatforms. Among diverse photo-converting nanoplatforms, silver chalcogenide nanoparticles feature high biocompatibility, narrow band gaps, tunable optical properties, yet Ag2Te-based nanosystems still at a proof-of-concept stage, exploration suitable for photonic hyperthermia is...