The systematic review reveals the prevalence, key diagnostic tests, and optimal treatment methods for lung torsion. Whole LT is associated with higher mortality rates than lobar torsion. If the tortuous part is viable, reposition and direct resection have similar survival rates; otherwise, direct resection should be performed.
Sequential deposition is demonstrated as an effective technology for preparation of high-performance perovskite solar cells based on lab-scale spin coating. However, devices fabricated by scalable methods are lagging far behind their state-of-the-art spin-coated counterparts, largely due to the difficulty in obtaining high-quality thin films of perovskites crystallized from printed precursors. Here, a generic strategy that allows sequential deposition of dense and uniform perovskite films via two-step blade coating is reported. The rational selection of solvent combined with a mild vacuum extraction process enables us to produce uniform lead iodide (PbI 2 ) films over large areas. Significantly, the resulting PbI 2 films possess a mesoporous structure that is highly beneficial for the insertion reaction with methylammonium iodide (MAI). It is further identified that the deposition temperature of MAI plays an important role in determining the morphology and crystallinity of the perovskite films. Solar cells using these sequentially bladed perovskite layers yield efficiencies over 16% with high fill factors up to 78%. These results represent important progress toward the largescale deposition of perovskite thin films for practical applications.
Photovoltaic Perovskite Layers
Breast
cancer metastases to bone poses a significant challenge
for the administration of treatment strategies. The bone microenvironment,
metastatic tumor cells, osteoclasts, and tumor-associated macrophages
(TAMs) all play crucial and synergistic roles in creating a favorable
environment for the proliferation, progression, and survival of the
metastatic tumor, which in turn induces osteoclast-mediated bone destruction.
In this study, we functionalized immunostimulatory cytosine–phosphate–guanosine
(CpG)-loaded metal–organic framework (MOF) nanoparticles with
bone targeting capabilities by surface modification with FDA approved
antiresorptive bisphosphonate, zoledronic acid (ZOL). The functionalized
bone targeting immunostimulatory MOF (BT-isMOF) nanoparticles demonstrates
strong binding to calcium phosphate in vitro and exhibits specific
targeting and accumulation in bone tissues in vivo. In vitro cellular
and biochemical analyses demonstrated that the BT-isMOF nanoparticles
could potently inhibit osteoclast formation and concomitantly induce
macrophages polarization toward the M1 pro-inflammatory phenotype.
Finally, using the intratibial murine model of breast cancer bone
metastasis, we showed that the administration of BT-isMOF nanoparticles
significantly suppressed osteoclast-mediated bone destruction and
enhanced polarization of tumor-resident macrophages to M1 phenotype.
Together, our data provides promising evidence for the potential therapeutic
application of the BT-isMOF nanoparticles in the treatment of breast
cancer bone metastases.
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