In this Communication, we develop a two-step acyclic diene metathesis in situ polymerization/cross-linking method to synthesize uniaxially aligned main-chain liquid crystal elastomers with chemically bonded near-infrared absorbing four-alkenyl-tailed croconaine-core cross-linkers. Because of the extraordinary photothermal conversion property, such a soft actuator material can raise its local temperature from 18 to 260 °C in 8 s, and lift up burdens 5600 times heavier than its own weight, under 808 nm near-infrared irradiation.
In this work, for
the first time, we fabricated a novel covalent
organic framework (COF)-based 2D–2D heterojunction composite
MoS2/COF by a facile hydrothermal method. The results of
photocatalytic degradation of TC and RhB under simulated solar light
irradiation showed that the as-prepared composite exhibited outstanding
catalytic efficiency compared with pristine COFs and MoS2. The significantly enhanced catalytic efficiency can be ascribed
to the formation of 2D–2D heterojunction with a well-matched
band position between COF and MoS2, which can effectively
restrain the recombination of charge carriers and increase the light
absorption as well as the specific surface area. Moreover, the fabricated
2D–2D layered structure can effectively increase the contact
area with an intimate interface contact, which greatly facilitates
the charge mobility and transfer in the interfaces. This study reveals
that artful integration of organic (COFs) and inorganic materials
into a single hybrid with a 2D–2D interface is an effective
strategy to fabricate highly efficient photocatalysts.
Breast cancer is the most frequently diagnosed cancer and the leading cause of cancer death among women worldwide. Long non-coding RNAs (lncRNAs) are a class of non-coding RNAs in the human genome that involves in breast cancer development and progression. Here, we identify a lncRNA, LINC00978, which is upregulated in breast cancer cell lines and tissues compared with corresponding controls. Furthermore, LINC00978 expression is negatively associated with hormone receptor (HR) status in 195 breast cancer patients studied (p = 0.033). Kaplan–Meier survival analysis shows that patients with high LINC00978 expression have poorer disease-free survival (DFS) than those with low LINC00978 expression (p = 0.012), and multivariate analysis identifies LINC00978 as an independent prognostic factor in breast cancer (p = 0.008, hazard ratio [HR] = 2.270, 95% confidence interval [CI] 1.237–4.165). Our study indicates that LINC00978 may be an oncogene in breast cancer, and can serve as a potential biomarker to predict prognosis in breast cancer patients.
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