106 research outputs found

    Survival and Revival of China's Traditionalist Painting after the Cultural Revolution

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    The Arts: 1st Place (The Ohio State University Edward F. Hayes Graduate Research Forum)A salient feature of Chinese painting in the pre-modern period is the “three perfections,” the combination of painting, calligraphy and poetry within a single image. Despite the dramatic challenges to traditionalist Chinese painting that followed the establishment of the People’s Republic of China (PRC) in 1949, “the three perfections” is a legacy that was carried on by traditionalist artists. Tang Yun (1910-1993) was such a painter. He was active in both the Republican period (1912-1949) and the PRC. Tang Yun’s Twelve-leaf Album after Lu You’s Poems was painted in 1976, the final year of the decade-long turmoil of the Cultural Revolution (1966-1976). This essay is a case study of this 1976 album. It explores the thematic and aesthetic directions that the artist took to revive traditionalist Chinese painting, and suggests that Tang Yun’s efforts to revive traditionalist Chinese painting after the Cultural Revolution represent a literati approach, which is mainly demonstrated by creative motivation, the integration of painting and poetry, and the artist’s stylistic experimentation. This specific album was created as a symbol of friendship rather than as a means of financially supporting the artist. It expresses the artist’s melancholic feeling by exploiting the expressiveness of the ink and the interplay between painting and poetry. Finally, it demonstrates the literati approach because it shows the painter’s stylistic exploration and innovation based on previous masters’ styles.A five-year embargo was granted for this item

    SEIPIN Regulates Lipid Droplet Expansion and Adipocyte Development by Modulating the Activity of Glycerol-3-phosphate Acyltransferase

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    Berardinelli-Seip congenital lipodystrophy 2 (BSCL2) is caused by loss-of-function mutations in SEIPIN, a protein implicated in both adipogenesis and lipid droplet expansion but whose molecular function remains obscure. Here, we identify physical and functional interactions between SEIPIN and microsomal isoforms of glycerol-3-phosphate acyltransferase (GPAT) in multiple organisms. Compared to controls, GPAT activity was elevated in SEIPIN-deficient cells and tissues and GPAT kinetic values were altered. Increased GPAT activity appears to underpin the block in adipogenesis and abnormal lipid droplet morphology associated with SEIPIN loss. Overexpression of Gpat3 blocked adipogenesis, and Gpat3 knockdown in SEIPIN-deficient preadipocytes partially restored differentiation. GPAT overexpression in yeast, preadipocytes, and fly salivary glands also formed supersized lipid droplets. Finally, pharmacological inhibition of GPAT in Seipin-/- mouse preadipocytes partially restored adipogenesis. These data identify SEIPIN as an evolutionarily conserved regulator of microsomal GPAT and suggest that GPAT inhibitors might be useful for the treatment of human BSCL2 patients

    Deciphering osteoarthritis genetics across 826,690 individuals from 9 populations

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    Osteoarthritis affects over 300 million people worldwide. Here, we conduct a genome-wide association study meta-analysis across 826,690 individuals (177,517 with osteoarthritis) and identify 100 independently associated risk variants across 11 osteoarthritis phenotypes, 52 of which have not been associated with the disease before. We report thumb and spine osteoarthritis risk variants and identify differences in genetic effects between weight-bearing and non-weight-bearing joints. We identify sex-specific and early age-at-onset osteoarthritis risk loci. We integrate functional genomics data from primary patient tissues (including articular cartilage, subchondral bone, and osteophytic cartilage) and identify high-confidence effector genes. We provide evidence for genetic correlation with phenotypes related to pain, the main disease symptom, and identify likely causal genes linked to neuronal processes. Our results provide insights into key molecular players in disease processes and highlight attractive drug targets to accelerate translation

    Prevalence, associated factors and outcomes of pressure injuries in adult intensive care unit patients: the DecubICUs study

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    Funder: European Society of Intensive Care Medicine; doi: http://dx.doi.org/10.13039/501100013347Funder: Flemish Society for Critical Care NursesAbstract: Purpose: Intensive care unit (ICU) patients are particularly susceptible to developing pressure injuries. Epidemiologic data is however unavailable. We aimed to provide an international picture of the extent of pressure injuries and factors associated with ICU-acquired pressure injuries in adult ICU patients. Methods: International 1-day point-prevalence study; follow-up for outcome assessment until hospital discharge (maximum 12 weeks). Factors associated with ICU-acquired pressure injury and hospital mortality were assessed by generalised linear mixed-effects regression analysis. Results: Data from 13,254 patients in 1117 ICUs (90 countries) revealed 6747 pressure injuries; 3997 (59.2%) were ICU-acquired. Overall prevalence was 26.6% (95% confidence interval [CI] 25.9–27.3). ICU-acquired prevalence was 16.2% (95% CI 15.6–16.8). Sacrum (37%) and heels (19.5%) were most affected. Factors independently associated with ICU-acquired pressure injuries were older age, male sex, being underweight, emergency surgery, higher Simplified Acute Physiology Score II, Braden score 3 days, comorbidities (chronic obstructive pulmonary disease, immunodeficiency), organ support (renal replacement, mechanical ventilation on ICU admission), and being in a low or lower-middle income-economy. Gradually increasing associations with mortality were identified for increasing severity of pressure injury: stage I (odds ratio [OR] 1.5; 95% CI 1.2–1.8), stage II (OR 1.6; 95% CI 1.4–1.9), and stage III or worse (OR 2.8; 95% CI 2.3–3.3). Conclusion: Pressure injuries are common in adult ICU patients. ICU-acquired pressure injuries are associated with mainly intrinsic factors and mortality. Optimal care standards, increased awareness, appropriate resource allocation, and further research into optimal prevention are pivotal to tackle this important patient safety threat

    Preliminary measurements for wireless testbed

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    As part of the development of a cooperative wireless network, a transmitter and a receiver based on IEEE 802.11a were simulated using Matlab and implemented practically on testbeds. This project explores the different features offered by OFDM. OFDM has been developed into a popular scheme for wideband digital communication, whether wireless or over copper wires, used in applications such as digital television and audio broadcasting, wireless networking and broadband internet access. This project focuses on performance evaluation of OFDM transceivers through both simulation and practical measurements. Some typical channel models were simulated, which include Rayleigh flat fading channel, Rayleigh frequency selective channel, Rician frequency selective channel and. AWGN channel. Comparison between the simulation results was carried out. Some important parameters which indicate the performance were measured under both LOS (line-of sight) and non-LOS conditions. Various methods were implemented to measure and calculate these parameters. Furthermore, the practical measurement results were compared with the simulation results in order to investigate those factors that affect the performance of the transceiver.Bachelor of Engineerin
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