28 research outputs found

    Effect of Turbulence Characteristics on Fluctuating Pressure Characteristics around Circular Cylinders and Cooling Towers

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    This paper was reviewed and accepted by the APCWE-IX Programme Committee for Presentation at the 9th Asia-Pacific Conference on Wind Engineering, University of Auckland, Auckland, New Zealand, held from 3-7 December 2017

    Expression of <i>DfMADS1</i> gene in sporophytes of <i>D. fragrans</i>.

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    <p>Total RNA from young sporophytes (YS), young leaves (YL), leaf-young sporangium (L-YSp), and leaf-mature sporangium (L-MSp) was used for qRT-PCR analysis. Error bars indicate +/− standard errors from three biological replicates.</p

    Expressions of <i>DfMADS1</i> gene in various tissues and organs of <i>D. fragrans</i>.

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    <p>Total RNA from spores (Sp), mature gametophytes (MG), sporophytes (Spp), petiols (Pe), and roots (Rt) was used for semi-quantitative PCR and qRT-PCR analyses. Relative mRNA levels of the <i>DfMADS1</i> gene were normalized against 18S rRNA. Error bars indicate +/− standard errors from three biological replicates.</p

    Expression of <i>DfMADS1</i> gene in the gametophytes of <i>D. fragrans</i>.

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    <p>Total RNA from the spore (Sp), young prothallus (YP), mature prothallus (MP), young sporophyte (YS), and aborted prothallus (AP) was used for qRT-PCR analysis. Error bars indicate +/− standard errors from three biological replicates.</p

    Alignment of the deduced amino acid sequences of the DfMADS1 protein with those of other related MADS-box proteins of ferns (A). The MADS and K domains are underlined. Schematic of the MIKC-DfMADS protein in <i>D. fragrans</i> (B).

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    <p>Alignment of the deduced amino acid sequences of the DfMADS1 protein with those of other related MADS-box proteins of ferns (A). The MADS and K domains are underlined. Schematic of the MIKC-DfMADS protein in <i>D. fragrans</i> (B).</p

    Neighbor-joining-based phylogenetic tree of fern MADS-box proteins.

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    <p>The tree is unrooted. The symbols after the gene names indicate spermatophytes (open circles), gymnosperms (hatched circles), and pteridophytes (solid circles). DfMADS1 was grouped into the CRM1-like subfamily.</p

    Datasheet2_The correlation between tic disorders and allergic conditions in children: A systematic review and meta-analysis of observational studies.docx

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    AimTo evaluate the correlation between tic disorders and allergies and to inform strategies for the treatment and prevention of tic disorders.MethodsWe conducted online searches of the MEDLINE, Embase, Cochrane, CNKI, CBM, WanFang, and VIP Information databases. Case-control studies and cohort studies related to tic disorders and allergic conditions were searched. Two researchers screened the literature, extracted data, and evaluated quality in strict accordance with the predetermined retrieval strategy and inclusion criteria. Finally, RevMan 5.4 software was used to conduct a meta-analysis. We used the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach to rating the certainty of evidence about each allergy outcome as high, moderate, low, or very low.ResultsWe obtained seven eligible studies involving eight allergic conditions. The following allergic conditions were significantly associated with the presence of a tic disorder: asthma (OR = 1.90, 95% CI = 1.57–2.30, P ConclusionThe occurrence of tic disorders may be associated with the presence of certain allergic disorders. However, whether allergy is one of the causes of tic disorders remains unclear.Systematic review registrationThe registration number for this systematic review is PROSPERO: CRD42021231658.</p

    Datasheet1_The correlation between tic disorders and allergic conditions in children: A systematic review and meta-analysis of observational studies.docx

    No full text
    AimTo evaluate the correlation between tic disorders and allergies and to inform strategies for the treatment and prevention of tic disorders.MethodsWe conducted online searches of the MEDLINE, Embase, Cochrane, CNKI, CBM, WanFang, and VIP Information databases. Case-control studies and cohort studies related to tic disorders and allergic conditions were searched. Two researchers screened the literature, extracted data, and evaluated quality in strict accordance with the predetermined retrieval strategy and inclusion criteria. Finally, RevMan 5.4 software was used to conduct a meta-analysis. We used the Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) approach to rating the certainty of evidence about each allergy outcome as high, moderate, low, or very low.ResultsWe obtained seven eligible studies involving eight allergic conditions. The following allergic conditions were significantly associated with the presence of a tic disorder: asthma (OR = 1.90, 95% CI = 1.57–2.30, P ConclusionThe occurrence of tic disorders may be associated with the presence of certain allergic disorders. However, whether allergy is one of the causes of tic disorders remains unclear.Systematic review registrationThe registration number for this systematic review is PROSPERO: CRD42021231658.</p

    FTIR Characterization of Water–Polymer Interactions in Superacid Polymers

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    The OD stretch of dilute HOD in H<sub>2</sub>O absorbed in a series of sulfonated syndiotactic poly­(styrene) and sulfonated poly­(sulfone) membranes was studied using FTIR spectroscopy to measure how the character of the sulfonate head group and the backbone polarity influenced the water–membrane interactions. Using a three-state model, the OD stretch yielded information about the populations of absorbed water participating in hydrogen bonds with polymer-tethered sulfonate groups, water in an intermediate state, or water hydrogen bonding with other water molecules. The perfluoroalkyl sulfonate moiety, which behaves as a superacid, consistently displayed the largest fraction of head-group-associated water due to its strong acidic character. Measurements of the OD stretch gave insight into the strength of the hydrogen bonds formed between water and the sulfonate groups. Water associated with the superacid displayed an OD stretch peak position that was blueshifted by 39 cm<sup>–1</sup> compared to the aryl-sulfonate-associated water with an OD stretching frequency that was centered at 2547 cm<sup>–1</sup>. The polarity of the polymer backbone also affected the OD stretch peak position. As hydration increased, the OD peak stretching frequency in poly­(styrene)-based membranes displayed a red shift from 2566 to 2553 cm<sup>–1</sup>, whereas there was no OD peak maxima shift in poly­(sulfone)-based membranes due to the greater amount of intermediate water in the more polar poly­(sulfone) backbone system

    Association between interleukin-6 and preterm birth: a meta-analysis

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    Interleukin (IL)-6 is a pro-inflammatory cytokine that plays an important role in preterm birth (PTB), Several meta-analyses investigated the association between IL-6 and PTB, but definitive conclusion has not yet been achieved. This updated meta-analysis aimed to ascertain the association between IL-6 and PTB by examining IL-6 levels in both normal birth and PTB groups. Prospective cohort studies were retrieved in PubMed, Embase, and the Cochrane library from their inception until 18 February 2020. The primary outcome was the association between IL-6 and PTB, and secondary outcomes were the association between IL-6 and spontaneous PTB. Nine studies involving 1904 patients were included. Overall, IL-6 from different sample types (maternal blood, amniotic fluid and cervicovaginal fluid) was associated with PTB (standard mean difference [SMD]: 0.86, 95% confidence interval [CI]: 0.32 to 1.39, p p p = 0.022), but not significant in maternal blood (SMD: −0.11, 95%CI: −0.57 to 0.34, p = 0.623). In addition, IL-6 was also associated with spontaneous PTB (SMD: 1.57, 95% CI: 0.18 to 2.95, p  Based on the available evidence, IL-6 in amniotic fluid and cervicovaginal fluid might be useful for predicting preterm birth. KEY MESSAGESBased on the available evidenceIL-6 in amniotic fluid and cervicovaginal fluid might be useful for predicting preterm birth Based on the available evidence IL-6 in amniotic fluid and cervicovaginal fluid might be useful for predicting preterm birth</p
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