37 research outputs found

    Asceua longji Barrion-Dupo, Barrion & Heong 2013

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    <i>Asceua longji</i> Barrion-Dupo, Barrion & Heong, 2013 <p>Figs 17A, B, 18A–C</p> <p> <i>Asceua longji</i> Barrion-Dupo, Barrion & Heong, in Barrion <i>et al.</i>, 44, fig. 51A–E (♀).</p> <p> <b> Type material of <i>Asceua longji</i> (examined).</b> Holotype ♀ (coll. no. La1), <b>CHINA:</b> Hainan Island, Chengmai, Laocheng, Longji Hills, 24.IV.2012, leg. A. T. Barrion <i>et al</i> <i>.</i>; Paratype: 1 ♀ (coll. no. So99), Panja Town, Shuiku Village, Songtao Reservoir, 2.IV.2011, leg. A. T. Barrion <i>et al</i> <i>.</i></p> <p> <b>Description and diagnosis.</b> See Barrion <i>et al.</i> (2013) for the description of the female; the male remains unknown. The holotype female habitus and epigynal morphology are presented in Figs 18 and 17, respectively. The female of <i>A. longji</i> is similar to <i>A. quadrimaculata</i> Zhang, Zhang & Jia, 2012 by the presence of a central epigynal hood. However, it can be distinguished from <i>A. quadrimaculata</i> by the white pattern terminally on the opisthosoma (<i>vs.</i> absent in <i>A. quadrimaculata</i>, Zhang <i>et al.</i> 2012: fig. 1), the copulatory openings clearly separated from the epigynal hood (<i>vs.</i> copulatory openings and epigynal hood close together in <i>A. quadrimaculata</i>, Zhang <i>et al.</i> 2012: fig. 5), and the spermathecae oval in shape (<i>vs.</i> spermathecae spherical in <i>A. quadrimaculata</i>, Zhang <i>et al.</i> 2012: fig. 5).</p> <p> <b>Distribution.</b> China (Hainan).</p>Published as part of <i>Lin, Yejie, Wu, Lingbing, Cai, Ducheng, Li, Shuqiang, Barrion, Alberto Tomas & Heong, Kong-Luen, 2023, Review of 43 spider species from Hainan Island, China (Arachnida, Araneae), pp. 501-533 in Zootaxa 5351 (5)</i> on page 527, DOI: 10.11646/zootaxa.5351.5.1, <a href="http://zenodo.org/record/8392152">http://zenodo.org/record/8392152</a&gt

    Zinc finger myeloid Nervy DEAF-1 type (ZMYND) domain containing proteins exert molecular interactions to implicate in carcinogenesis

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    Morphogenesis and organogenesis in the low organisms have been found to be modulated by a number of proteins, and one of such factor, deformed epidermal auto-regulatory factor-1 (DEAF-1) has been initially identified in Drosophila. The mammalian homologue of DEAF-1 and structurally related proteins have been identified, and they formed a family with over 20 members. The factors regulate gene expression through association with co-repressors, recognition of genomic marker, to exert histone modification by catalyze addition of some chemical groups to certain amino acid residues on histone and non-histone proteins, and degradation host proteins, so as to regulate cell cycle progression and execution of cell death. The formation of fused genes during chromosomal translocation, exemplified with myeloid transforming gene on chromosome 8 (MTG8)/eight-to-twenty one translocation (ETO) /ZMYND2, MTG receptor 1 (MTGR1)/ZMYND3, MTG on chromosome 16/MTGR2/ZMYND4 and BS69/ZMYND11 contributes to malignant transformation. Other anomaly like copy number variation (CNV) of BS69/ZMYND11 and promoter hyper methylation of BLU/ZMYND10 has been noted in malignancies. It has been reported that when fusing with Runt-related transcription factor 1 (RUNX1), the binding of MTG8/ZMYND2 with co-repressors is disturbed, and silencing of BLU/ZMYND10 abrogates its ability to inhibition of cell cycle and promotion of apoptotic death. Further characterization of the implication of ZMYND proteins in carcinogenesis would enhance understanding of the mechanisms of occurrence and early diagnosis of tumors, and effective antitumor efficacy

    Impact of touristification and landscape pattern on habitat quality in the Longji Rice Terrace Ecosystem, southern China, based on geographically weighted regression models

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    Although the roles of tourism development and landscape value in the conservation of rice terraces have become increasingly important in recent years, rice terraces still face abandonment and desertification. Habitat quality (HQ) assessments evaluate the biodiversity conservation status of rice terraces; however, the spatial and temporal evolution of rice terrace HQ and influencing factors remains poorly understood. Here, a case study was performed of the Longji Terraces, Longsheng, Guangxi, China. Land use and land cover (LULC) remote sensing data for 1985–2020 (every 5 years) were obtained, and the InVEST-HQ model was used to evaluate and map the spatial and temporal evolution patterns and characteristics of HQ. A landscape pattern index and tourism indicators were combined and used to construct geographically weighted regression (GWR) models to explore the impact of tourism and landscape pattern on HQ. Our findings indicated that: (1) forests and terraces are the dominant landscape patches in Longji because they are better protected. Forest area and HQ changes exhibited temporal consistency, meaning that as forest area increased, HQ improved. (2) Longji Terraces exhibited optimum HQ overall, with a multi-year average of 0.977 and insignificant inter-annual variations. Spatially, the geographical HQ distribution was characterised by ‘low local levels, high global level.’ However, the percentage of HQ degraded areas in the final period reached 68 %, which is significantly greater than that of the improved areas (28 %). Moreover, improved areas had more spatial overlap with administrative villages that present superior tourism development. (3) HQ was significantly negatively correlated with night-time light (NTL), showed periodic changes (first negative, then positive) with Shannon’s diversity index (SHDI), was positively correlated with the contagion index (CONTAG), and showed periodic transitions (initially positive, then negative) with the mean of patch area (AREA_MN), population (POP), and patch density (PD). (4) Over time, the study area HQ showed weaker clustering and increased dispersion. In addition, the influence of tourism and landscape patterns increased from 2000 to 2020, with R2 increasing from 0.42 to 0.95. The results establish a scientific foundation for the conservation of rice terraces and sustainable use of landscape resources

    Energy Literacy of Residents and Sustainable Tourism Interaction in Ethnic Tourism: A Study of the Longji Terraces in Guilin, China

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    Energy and environment form a nexus in which residents are the owners of tourism energy resources. Only a few studies have focused on the energy literacy of residents in ethnic tourism destinations and its impact on sustainable tourism. Using a qualitative research approach through field works and in-depth interviews in the Ping’an Village, Longji Terraces Scenic Area, this study explored the relationships between the energy literacy of residents and sustainable tourism in ethnic areas. The result showed that the energy literacy of the ethnic residents of Pingan village in terms of knowledge, attitude, and behavior has increased in line with the development of tourism, and both external and internal factors contribute to the improvement. Besides, the promotion of energy literacy among the residents not only has a positive impact on the tourists’ behavior but also brings about effective improvements in the local energy use structure and infrastructure, thus contributing to the sustainable development of tourism. This research extends the understanding of energy literacy from the perspective of ethnic residents and changes in energy literacy in remote ethnic villages under tourism development. The results also deepen our understanding of such changes in the behavior of tourists and tourism destination sustainability and enrich the empirical research to promote energy conservation and sustainable tourism development in ethnic areas

    Severing Grandma’s Phallus: A Gendered Re-examination of the Raising and Razing of Female Emperor Wu Zhao’s Axis of the Sky

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    In 695, at the peak of her Zhou 周 dynasty (690-705), Wu Zhao 武曌 (624-705), China’s first and only female emperor, erected the Axis of the Sky (Tianshu 天樞), a hundred-foot tall octagonal Buddhist pillar topped with a quartet of dragons holding aloft a scintillating fire pearl, a monument that, according to Song Confucians “exalted the Zhou and disparaged the Tang.” In 714, her grandson Li Longji 李隆基 (685-762), emperor Tang Xuanzong 唐玄宗 (r.712-56), ordered this phallic pillar razed, and smelted its bronze and iron into weapons. This reactionary public political act played an important symbolic role in a wider campaign to re-institute a Confucian moral order that placed Han Chinese above non-Han subjects in the restored Tang 唐 (618-90, 705-907) realm, re-installed a normative patriarchal order that placed men over women, and re-situated Confucianism over Buddhism. Building on the work of Antonino Forte and Zhang Naizhu, in a triptych portraying erection, ejaculation, and castration, respectively, this article examines the dynamic, fluid political and ideological contexts in which Wu Zhao erected her magnificent phallic pillar and Xuanzong destroyed it.&nbsp

    Effect of Surface Modifications on Electrochemical Performance of NMC811

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    The benefits of all-solid-state batteries(ASSBs) like safety, energy density, etc. are often touted but rarely realized. The biggest bottleneck in achieving high energy density is on the cathode side. High nickel-content cathode materials are now considered the most promising candidates for achieving the energy requirements, but they still have many shortcomings including poor cycling stability, especially when cycled at high voltage vs Li/Li+. Through this work, the author hopes to encourage the commercialization of energy-dense Li-ion batteries via the development of surface coatings to enhance the electrochemical properties of and protect the cathode material during cycling in an all-solid-state cell. First, we utilized a nanometer layer coating of a lithium-ion conducting solid electrolyte, lithium phosphorus oxynitride (LiPON) by using RF-magnetron sputtering. The LiPON layer provides interfacial stability at high voltages, suppresses the growth of impedance with cycling, and improves the rate capability. Thicker coatings showed a negative impact on the performance of the cells owing to the increase in electronic resistance with increasing thickness of the LiPON layer. To further progress our work, the problem of electrolyte decomposition was tackled by reducing the amount of conductive additive in the cathode composite and compensating for the loss in electronic conductivity by applying an amorphous polyacrylonitrile (PAN) coating on the surface of NMC811 followed by a simple heat treatment in air. The electrochemical properties and cycling performance of the cathode were improved by the mixed conducting nature of the cyclized PAN and its ability to coat the active materials due to its polar nature. Lastly, the heat treatment of PAN was further optimized by introducing oxygen gas during the stabilization of PAN coating via heat treatment. High initial discharge capacity was achieved with this work along with improvement in cyclability. The author expects this work to have a broad impact on the battery community and may pave the way for the eventual commercialization of the all-solid-state Li-ion cell.</p

    Clubiona pandalira Lin & Wu & Cai & Li & Barrion & Heong 2023, comb. nov.

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    &lt;i&gt;Clubiona pandalira&lt;/i&gt; (Barrion-Dupo, Barrion &amp; Heong, 2013), comb. nov. &lt;p&gt;Figs 3A, B, 4A&ndash;C&lt;/p&gt; &lt;p&gt; &lt;i&gt;Nusatidia pandalira&lt;/i&gt; Barrion-Dupo, Barrion &amp; Heong, in Barrion &lt;i&gt;et al.&lt;/i&gt;, 2013: 10, fig. 9A&ndash;D (&female;).&lt;/p&gt; &lt;p&gt; &lt;b&gt; Type material of &lt;i&gt;Nusatidia pandalira&lt;/i&gt; (examined).&lt;/b&gt; Holotype &female; (coll. no. Ch2), &lt;b&gt;CHINA:&lt;/b&gt; Hainan Island, Chengmai, Laocheng, Longji Hill, 24.IV.2012, leg. A. T. Barrion &lt;i&gt;et al.&lt;/i&gt;.&lt;/p&gt; &lt;p&gt; &lt;b&gt;Description and diagnosis.&lt;/b&gt; See Barrion &lt;i&gt;et al.&lt;/i&gt; (2013) for the original description. The type female of &lt;i&gt;Nusatidia pandalira&lt;/i&gt; is similar in habitus (Fig. 4A, B) to most &lt;i&gt;Clubiona&lt;/i&gt; in the &lt;i&gt;ternatensis&lt;/i&gt; group of species (&lt;i&gt;sensu&lt;/i&gt; Zhang &lt;i&gt;et al.&lt;/i&gt; 2021), but particularly to the female of &lt;i&gt;C. damirkovaci&lt;/i&gt; Deeleman-Reinhold, 2001 (Deeleman-Reinhold 2001: 107, figs 22, 23), with the hook-shaped epigynal ridges and the similarly shaped bursae and spermathecae. However, &lt;i&gt;C. pandalira&lt;/i&gt; &lt;b&gt;comb. nov.&lt;/b&gt; can be distinguished from &lt;i&gt;C. damirkovaci&lt;/i&gt; by the epigynal ridge being longer than wide (Fig. 3A) (&lt;i&gt;vs.&lt;/i&gt; width greater than length in &lt;i&gt;C. damirkovaci&lt;/i&gt;), the copulatory duct without a looping turn anteriorly (Fig. 3B) (&lt;i&gt;vs.&lt;/i&gt; with a 90&deg; bend anteriorly in &lt;i&gt;C. damirkovaci&lt;/i&gt;), the bursa that are larger than the spermatheca (Fig. 3B) (&lt;i&gt;vs.&lt;/i&gt; similar in size in &lt;i&gt;C. damirkovaci&lt;/i&gt;), and the copulatory ducts close together and almost touching (Fig. 3B) (&lt;i&gt;vs.&lt;/i&gt; separated by one diameter in &lt;i&gt;C. damirkovaci&lt;/i&gt;; Deeleman-Reinhold 2001: fig. 22).&lt;/p&gt; &lt;p&gt; &lt;b&gt;Distribution.&lt;/b&gt; China (Hainan). &lt;b&gt;Comments.&lt;/b&gt; The sclerotized spermathecae, hyaline bursae and copulatory openings hidden in ridges shows that &lt;i&gt;Nusatidia pandalira&lt;/i&gt; belongs to the &lt;i&gt;Clubiona ternatensis&lt;/i&gt; species group, so we hereby transfer this species to &lt;i&gt;Clubiona&lt;/i&gt; Latreille, 1804.&lt;/p&gt;Published as part of &lt;i&gt;Lin, Yejie, Wu, Lingbing, Cai, Ducheng, Li, Shuqiang, Barrion, Alberto Tomas &amp; Heong, Kong-Luen, 2023, Review of 43 spider species from Hainan Island, China (Arachnida, Araneae), pp. 501-533 in Zootaxa 5351 (5)&lt;/i&gt; on pages 504-505, DOI: 10.11646/zootaxa.5351.5.1, &lt;a href="http://zenodo.org/record/8392152"&gt;http://zenodo.org/record/8392152&lt;/a&gt

    Effect of Surface Modifications on Electrochemical Performance of NMC811

    No full text
    The benefits of all-solid-state batteries(ASSBs) like safety, energy density, etc. are often touted but rarely realized. The biggest bottleneck in achieving high energy density is on the cathode side. High nickel-content cathode materials are now considered the most promising candidates for achieving the energy requirements, but they still have many shortcomings including poor cycling stability, especially when cycled at high voltage vs Li/Li+. Through this work, the author hopes to encourage the commercialization of energy-dense Li-ion batteries via the development of surface coatings to enhance the electrochemical properties of and protect the cathode material during cycling in an all-solid-state cell. First, we utilized a nanometer layer coating of a lithium-ion conducting solid electrolyte, lithium phosphorus oxynitride (LiPON) by using RF-magnetron sputtering. The LiPON layer provides interfacial stability at high voltages, suppresses the growth of impedance with cycling, and improves the rate capability. Thicker coatings showed a negative impact on the performance of the cells owing to the increase in electronic resistance with increasing thickness of the LiPON layer. To further progress our work, the problem of electrolyte decomposition was tackled by reducing the amount of conductive additive in the cathode composite and compensating for the loss in electronic conductivity by applying an amorphous polyacrylonitrile (PAN) coating on the surface of NMC811 followed by a simple heat treatment in air. The electrochemical properties and cycling performance of the cathode were improved by the mixed conducting nature of the cyclized PAN and its ability to coat the active materials due to its polar nature. Lastly, the heat treatment of PAN was further optimized by introducing oxygen gas during the stabilization of PAN coating via heat treatment. High initial discharge capacity was achieved with this work along with improvement in cyclability. The author expects this work to have a broad impact on the battery community and may pave the way for the eventual commercialization of the all-solid-state Li-ion cell.</p

    Construction of Landscape Fire Security Patterns for Minority Settlements: a case study of reconstruction plan of Xiaozhai village in Guangxi

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    Minority settlements have good local landscape features and rich cultural heritage. However, due to complex geographical conditions and lagging economic development, there are many potential security threats in their human settlements. Based on the landscape ecological security pattern theory, aiming at eliminating the practical dilemma of frequent fires and difficult rescue in mountainous settlements in southwestern China, this paper proposes a planning idea to improve the settlement environment’s own disaster resilience and ecological endurance ability through the adjustment of landscape pattern. Taking the reconstruction planning and design of Xiaozhai Village in Longji of Guangxi province as an example, based on the geographical structure and resource characteristics of the village, a four-in-one landscape fire security pattern for mountain settlement is constructed, including building group, road evacuation system, natural fire protection network of water system and biological fire protection forest belt. The study provides a reference for the protection, renewal and re-planning of minority settlement
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