Publications by authors named "Jingran Di"

To enhance tumor comprehensive therapeutic effect of nanomedicines, an efficient strategy that integrates polydopamine and IR780 photothermal therapy, glucose oxidase (GOx) starvation therapy, Banoxantrone (AQ4N) and Tirapazamine (TPZ) dual hypoxia chemotherapy is developed in chronological order. Higher tumor accumulation of porous dual infinite coordination polymer nanocomposites are designed and prepared to implement this strategy, in which fluorescent dye IR780 doped hypoxic prodrugs AQ4N and TPZ coordinated with Cu(II) as the core, this core is encapsulated by GOx-loaded porous polydopamine coordinated with Fe(III) (Fe-MPDA). These nanocomposites exhibit a particle dimension of 118.

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To enhance the tumor thermodynamic-chemo synergistic therapy efficacy, high loading of AIPH-Cu(II)-AQ4N Infinite Coordination Polymer nanoparticles (ICP NPs) were developed, which have high AIPH loading of 44.5 %, thermal stability, pH responsive release all therapeutic agents in the tumor tissue and lower toxicity. A long-term thermodynamic-chemo cascade tumor synergistic therapy strategy was developed with these nanoparticles.

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Article Synopsis
  • - The study presents new nanoparticles made from metformin, Cu(II), and EGCG designed for effective cancer therapy, utilizing a method that combines these nanoparticles with micro-electrothermal needles for targeted treatment.
  • - These nanoparticles are highly uniform (average diameter of 117.5 nm), have a drug loading capacity of 90%, and allow precise drug mixing ratios while showing superb thermal stability.
  • - In animal tests, the nanoparticles achieved a 100% tumor inhibition rate in just 20 days with a low dosage and showed a low tumor recurrence rate of 18.75% over 60 days, signaling their potential for effective cancer treatment.
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Multimodal /components tumors synergistic therapy is a crucial approach for enhancing comprehensive efficacy. Our research has identified lots of high efficiency synergies among four suitable components, revealing combinations with remarkably low combination index (CI) values (10-10). These combinations hold promise for large tumor powerful electrothermal-thermodynamic-multi-chemo trimodal therapy.

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To achieve the maximum therapeutic effects and minimize adverse effects of trimodal synergistic tumor therapies, a cost-effective programmed photothermal (PTT)-chemodynamic (CDT)-coordinated dual drug chemotherapy (CT) trimodal synergistic therapy strategy in chronological order is proposed. According to the status or volumes of the tumors, the intensity and time of each therapeutic modality are optimized, and three modalities are combined programmatically and work in chronological order. The optimal synergistic therapy begins with high-intensity PTT for 10 min to ablate larger tumors, followed by medium-intensity CDT for several hours to eliminate medium-sized tumors, and then low-intensity coordinated dual drugs CT lasts over 48 h to clear smaller residual tumors.

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To solve the problems of separating dual enzymes from the carriers of dual-enzyme immobilized micro-systems and greatly increase the carriers' recycling times, photothermal-responsive micro-systems of IR780-doped cobalt ferrite nanoparticles@poly(ethylene glycol) microgels (CFNPs-IR780@MGs) are prepared. A novel two-step recycling strategy is proposed based on the CFNPs-IR780@MGs. First, the dual enzymes and the carriers are separated from the reaction system as a whole via magnetic separation.

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