105 research outputs found

    Być dzieckiem we współczesnej Polsce – szkic demograficzny

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    The binding sites of circLARP4 with miRNAs. a Schematic representation of potential binding sites of miRNAs with circLARP4. b The effects of miR-424 mimic or inhibitor on the expression level of circLARP4 in HCG-27 or MKN-28 cell line indicated by qRT-PCR. c The binding sites of wild type or mutant circLARP4 3’UTR with miR-424.-5p. d qRT-PCR analysis of the expression levels of LATS1 and YAP after transfection with circLARP4 + miR-424 in HGC-27 cells or si-circLARP4 + miR-424 inhibitor in MKN-28 cells. e the luciferase activity of wild type LATS1 3’UTR was examined by co-transfection with miR-424 mimic + circLARP4 in HGC-27 cells. f the luciferase activity of wild type LATS1 3’UTR was detected by co-transfection with miR-424 inhibitor + si-circLARP4 in MKN-28 cells. *P < 0.05; **P < 0.01. (PDF 2681 kb

    Unusual Phase Transition Behavior of Poly(<i>N</i>‑isopropylacrylamide)-<i>co</i>-Poly(tetrabutylphosphonium styrenesulfonate) in Water: Mild and Linear Changes in the Poly(<i>N</i>‑isopropylacrylamide) Part

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    In this paper, one LCST-type thermoresponsive poly­(ionic liquid) (PIL), poly­(tetrabutylphosphonium styrenesulfonate) (P­[P<sub>4,4,4,4</sub>]­[SS]), was introduced to poly­(<i>N</i>-isopropylacrylamide) (PNIPAM) by two different ways, mixing and copolymerization. Interestingly, they show distinct thermoresponsive phase transition behaviors, evidenced by temperature-variable <sup>1</sup>H nuclear magnetic resonance and Fourier transform infrared in combination with the perturbation correlation moving window (PCMW) technique. The PNIPAM/P­[P<sub>4,4,4,4</sub>]­[SS] mixture exhibits a sharp and drastic phase transition, similar to that of pure PNIPAM. In the statistical copolymer, PNIPAM-<i>co</i>-P­[P<sub>4,4,4,4</sub>]­[SS], the thermosensitivity of P­[P<sub>4,4,4,4</sub>]­[SS] is largely suppressed, resulting in a linear, mild, and incomplete phase transition, which has never been reported before. This abnormal phenomenon is shown to arise from the outstanding hydration ability of P­[P<sub>4,4,4,4</sub>]­[SS]. Our findings should be conducive to improving our understanding of the interaction between LCST-type polymers with distinct structures and provide a new perspective for preparing thermoresponsive materials with linear phase transition behavior

    Carbon neutrality approaches in buildings and agriculture sectors

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    Climate change is a critical global challenge. Carbon neutrality has become a grand and imperative goal to cope with this challenge (Chen et al., 2022; Yang et al., 2022). In the context of carbon neutrality, green policy, green innovation, green behaviors, and green industrial transformation have triggered increasing research interests (Si et al., 2020; 2022; Zhao et al., 2020; Wang et al., 2021; 2023). It is noteworthy that the building sector consumes more than 40% of global energy and accounts for approximately 40% of global greenhouse gas emissions (He et al., 2020; Wang et al., 2021). The building sector is under particularly high pressures to transform its development paths (Zhang et al., 2022). Therefore, this Research Topic is launched to produce a comprehensive reflection of research on carbon neutrality, especially the research related to the transformation of the building sector. The guest editors aim to highlight avenues for new research by capturing the current state-of-the-art in carbon neutrality research and practice and supporting the foundation for future work. This Research Topic welcomed carbon neutralization studies in the field of economics and management and embraces diverse research methods and article types, including systematic literature review, conceptual framework development, analytical and simulation modeling, quantitative and qualitative empirical studies, and other rigorous research. Twelve papers, including this editorial, were finally included in this Research Topic. In the next section, we briefly describe the contributions of these papers

    Realistic numerical phantom from clinical CT datasets.

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    <p>(a) Water and (b) bone material basis functions obtained from a GE Discovery CT750 scanner, and (c) the mono-energy image in the fourth energy channel. The display windows are [0, 4.16], [0, <i>10</i>], and [0, 0.23] for water, bone and the mono image, respectively.</p

    Dynamic bowtie for full body helical CT, in which the WB is rapidly prototyped according to an individualized patient contour obtained from surface scanning.

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    <p>Dynamic bowtie for full body helical CT, in which the WB is rapidly prototyped according to an individualized patient contour obtained from surface scanning.</p

    Exemplary designs of the dynamic bowtie without driving components.

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    <p>(a) A dynamic bowtie for fan-beam CT, (b) and (c) for cone-beam CT and spiral multi-slice CT respectively. The attenuating liquid for HB is solution. The WB material is air. The containers for HB and WB are made of 0.5 mm thick aluminum and 0.2 mm thick plastic, respectively.</p

    Numbers of detected photons along x-rays through the head CT volume without and with the proposed dynamic bowtie (on a log scale).

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    <p>(a) and (b) Numbers of detected photons assuming without a bowtie for and respectively. (c) and (d) Numbers of detected photons assuming with a proposed bowtie for and respectively.</p

    PRISIM reconstruction with iteratively updated taylor approximation.

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    <p>PRISIM reconstruction with iteratively updated taylor approximation.</p

    Projections of an elliptical water phantom and the bowtie profile.

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    <p>The projection angle is indexed by the projection number , , . The ray angle is indexed by the horizontal detector number, . The ray angle is indexed by the vertical detector number, . (a)–(b) Surface displays of the sinogram from a water phantom for and respectively, and (c) the bowtie profile for and .</p

    Gadolinium reconstruction errors versus its distance to the center in the case of .

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    <p>(a) The results in the case of the Gadolinium spot, and (b) is the results in the case of a Gadolinium strip.</p
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