38 research outputs found

    A proposed model for the role of Trx h in wheat seeds germination.

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    <p>Abbreviations are as follows: α-AMY α-amlyase, β-AMY β-amlyase, XIP-I Xylanase inhibitor protein I, GDH glutamate dehydrogenase, GOT aspartate aminotransferase, MDH Malate dehydrogenase, GPI glucose-6-phosphate isomerase, CM proteins chloroform-mwthanol proteins, PEPC phosphoenolpyuvate carboxylase, GAPDH Glyceraldehyde-3-phosphate dehydrogenase, PDI protein disulfide isomerase, ALD aldolase, GOGAT glutamic-oxalacetic transaminease. The green and red respectively mean increasing or decreasing the activity or expression of the targets.</p

    Dedifferentiated chondrosarcoma: Radiological features, prognostic factors and survival statistics in 23 patients

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    <div><p>Background</p><p>Dedifferentiated chondrosarcoma is a rare, highly malignant tumor with a poor survival. There are many confusing issues concerning the imaging feature that can facilitate early diagnosis and the factors that might be related to outcomes.</p><p>Methods</p><p>Twenty-three patients with dedifferentiated chondrosarcoma confirmed by pathology were retrospectively reviewed from 2008 to 2015. The patients’ clinical information, images from radiographs (n = 17), CT (n = 19), and MRI (n = 17), histological features, treatment and prognosis were analyzed.</p><p>Results</p><p>There were 12 males and 11 females, and the mean age was 50.39 years old. Fourteen cases affected the axial bone (pelvis, spine), and 9 cases involved the appendicular bone. Seven (41.17%), 9 (47.36), and 12 (66.66%) lesions showed a biphasic nature on radiograph, CT and MRI, respectively. Of the lesions, 17.39% (4/23) were accompanied by pathological fractures. Histologically, the cartilage component was considered histological Grade1 in 12 patients and Grade 2 in 11 patients. The dedifferentiated component showed features of osteosarcoma in 8 cases, malignant fibrous histiocytoma in3 cases, myofibroblastic sarcoma in 1 case and spindle cell sarcoma in 11cases. Twenty-two cases were treated with surgical resection, and 17 cases achieved adequate (wide or radical) surgical margin. In 8 cases, surgery was combined with adjuvant chemotherapy. The overall median survival time was nine months; 17.4% of patients survived to five years.</p><p>Conclusion</p><p>Axial bone location, lung metastasis at diagnosis, inadequate surgical margin, incorrect diagnosis before surgery and pathological fractures was related to poorer outcome. Pre- or postoperative chemotherapy had no definitively effect on improved survival.</p></div

    A General Strategy To Fabricate Ni<sub><i>x</i></sub>P as Highly Efficient Cocatalyst via Photoreduction Deposition for Hydrogen Evolution

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    Presently, precise deposition of transition metal phosphides at the electron outlet of photoactive materials as cocatalysts for hydrogen generation is rarely reported. Demonstrated here is a general photochemical strategy for the preparation of metal phosphides as cocatalysts for hydrogen generation. In this work, Ni<sub><i>x</i></sub>P was successfully deposited on g-C<sub>3</sub>N<sub>4</sub> using nickel sulfate (NiSO<sub>4</sub>) and hypophosphite sodium (NaH<sub>2</sub>PO<sub>2</sub>) as Ni and P sources, respectively. The Ni<sub><i>x</i></sub>P/g-C<sub>3</sub>N<sub>4</sub> composite exhibits excellent performance of hydrogen evolution via water splitting (about 8585 μmol g<sup>–1</sup> h<sup>–1</sup> in a triethanolamine aqueous solution under a 300 W Xe lamp with an AM 1.5G filter). More importantly, due to the intrinsic acid-resistant properties of Ni<sub><i>x</i></sub>P and g-C<sub>3</sub>N<sub>4</sub>, the Ni<sub><i>x</i></sub>P/g-C<sub>3</sub>N<sub>4</sub> composite demonstrated excellent acid-stable photocatalytic activity for H<sub>2</sub> evolution (stable run for 75 h under acidic solution of pH 2). Furthermore, the mechanism for photocatalytic activity of g-C<sub>3</sub>N<sub>4</sub> enhanced by Ni<sub><i>x</i></sub>P was investigated in detail by steady-state photoluminescence spectra and surface photovoltage spectra, which indicated that separation efficiency of photogenerated carriers from g-C<sub>3</sub>N<sub>4</sub> was effectively enhanced by Ni<sub><i>x</i></sub>P

    2DE of mature wheat seeds.

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    <p>The left figure: Yumai 18; The right figure: Transgenic Yumai 18.</p
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