Showing 7,581 - 7,600 results of 7,816 for search '"column"', query time: 0.08s Refine Results
  1. 7581

    Assessment of prognosis and responsiveness to immunotherapy in colorectal cancer patients based on the level of immune cell infiltration by Kaili Liao, Minqi Zhu, Lei Guo, Zijun Gao, Jinting Cheng, Bing Sun, Yihui Qian, Bingying Lin, Jingyan Zhang, Tingyi Qian, Yixin Jiang, Yanmei Xu, Qionghui Zhong, Xiaozhong Wang

    Published 2025-02-01
    “…The prognostic potential of the models was quantitatively assessed using Cox regression analysis and the development of column line plots. Immunotherapy sensitivity analysis was performed using CIBERSORT and TIMER algorithms. …”
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  2. 7582

    A Wideband Chemical Survey of Massive Star-forming Regions at Subarcsecond Resolution with the Submillimeter Array by Charles J. Law, Qizhou Zhang, Arielle C. Frommer, Karin I. Öberg, Roberto Galván-Madrid, Eric Keto, Hauyu Baobab Liu, Paul T. P. Ho, Andrés F. Izquierdo, L. Ilsedore Cleeves

    Published 2025-01-01
    “…We derive nearly constant COM column density ratios that agree with literature values in other low- and high-mass protostellar cores, supporting the idea that COM abundances are set during the pre-stellar phase. …”
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  3. 7583
  4. 7584
  5. 7585

    A Catalog of Stellar and Dust Properties for 500,000 Stars in the Southwest Bar of the Small Magellanic Cloud by Petia Yanchulova Merica-Jones, Karl Gordon, Karin Sandstrom, Claire E. Murray, L. Clifton Johnson, Julianne J. Dalcanton, Julia Roman-Duval, Jeremy Chastenet, Benjamin F. Williams, Daniel R. Weisz, Andrew E. Dolphin

    Published 2025-01-01
    “…We compare BEAST-derived dust extinction properties with tracers of the interstellar medium, such as the emission from the ^12 CO (2–1) transition ( I (CO)), the dust mass surface density (Σ _dust ) from far-IR emission, the H i column density ( N (H i )) from the 21 cm transition, and the mass fraction of polycyclic aromatic hydrocarbons (PAHs; q _PAH , derived from IR emission). …”
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  6. 7586
  7. 7587
  8. 7588

    Seaweed (Porphyra) cultivation enhances production of autochthonous refractory dissolved organic matter in coastal ecosystems by Ting Wang, Ting Wang, Jiajun Xu, Jiajun Xu, Randy A. Dahlgren, Qiang Liu, Yang Jia, Yang Jia, Binbin Chen, Binbin Chen, Hanqin Xu, Hanqin Xu, Zengling Ma, Zengling Ma, Liyin Qu, Liyin Qu

    Published 2025-02-01
    “…Dissolved organic carbon (DOC) concentration was significantly elevated during the cultivation versus non-cultivation period, while particulate organic carbon (POC) concentration decreased, thereby resulting in a higher DOC/POC ratio in the water column. Endmember mixing analysis further suggested that autochthonous organic matter dominated in the coastal cultivation zone during both periods, with limited inputs of terrestrial organic carbon. …”
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  9. 7589
  10. 7590
  11. 7591

    Presenting the model of antecedents affecting moral-emotional acting in education by arefeh kazemi malekmahmoudi, negin jabbari, kiomars niaz azari

    Published 2024-11-01
    “…The percentage of explained variance in the last column shows that if 3 factors are extracted, 83.838% of the changes in the questions can be explained by the extracted factors.Based on the results, it was determined that; the dimension of personal antecedents has 3 components: "knowledge and information, personality trait, and motivation", which the highest factor loading (0.928) related to question 19, and the lowest factor loading (0.699) related to question 3.According to the special values, 4 factors are extracted; because they have special values ​​greater than one. …”
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  12. 7592

    Identification and Mass Spectrometric Fragmentation Pathways of Chemical Components in the Traditional Chinese Medicine Formula of Jiuwei Decoction by Jia-yu ZHAO, Yue-guang LYU, Tong XIN, Qian-qian GUO, Wen-ying ZHANG, Jin-hong LI, Hong-yu XUE, Qiang MA

    Published 2025-01-01
    “…Subsequent to extraction, chromatographic separation was achieved using a Waters ACQUITY UPLC BEH C18 column (150 mm×2.1 mm, 1.7 µm) at 30 ℃, with an injection volume of 2 μL per run. …”
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  13. 7593

    Multiresidue Pesticides Analysis of Vegetables in Vietnam by Ultrahigh-Performance Liquid Chromatography in Combination with High-Resolution Mass Spectrometry (UPLC-Orbitrap MS) by Nam Vu-Duc, Trung Nguyen-Quang, Thuy Le-Minh, Xuyen Nguyen-Thi, Tri Manh Tran, Hai Anh Vu, Lan-Anh Nguyen, Tien Doan-Duy, Bui Van Hoi, Cam-Tu Vu, Dung Le-Van, Lan-Anh Phung-Thi, Hong-An Vu-Thi, Dinh Binh Chu

    Published 2019-01-01
    “…Multiclass pesticides were separated on the Thermo Hypersil Gold PFP column utilizing a gradient of the mobile phase consisting of 5 mM ammonium formate, 0.1% formic acid in deionized water, and methanol. …”
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  14. 7594
  15. 7595

    The role of OCO-3 XCO<sub>2</sub> retrievals in estimating global terrestrial net ecosystem exchanges by X. Wang, F. Jiang, F. Jiang, F. Jiang, H. Wang, Z. Zhang, M. Wu, J. Wang, W. He, W. Ju, W. Ju, J. M. Chen, J. M. Chen

    Published 2025-01-01
    “…<p>Satellite-based column-averaged dry-air CO<span class="inline-formula"><sub>2</sub></span> mole fraction (XCO<span class="inline-formula"><sub>2</sub></span>) retrievals are frequently used to improve the estimates of terrestrial net ecosystem exchanges (NEEs). …”
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  16. 7596

    An anoikis-related signature predicts prognosis and immunotherapy response in gastrointestinal cancers by Ruyi Liu, Ruyi Liu, Ruyi Liu, Ruyi Liu, Ruyi Liu, Yuchen Liu, Yuchen Liu, Yuchen Liu, Yuchen Liu, Yuchen Liu, Weicheng Huang, Weicheng Huang, Weicheng Huang, Weicheng Huang, Weicheng Huang, Pengxiang Chen, Pengxiang Chen, Pengxiang Chen, Pengxiang Chen, Pengxiang Chen, Yufeng Cheng, Yufeng Cheng, Yufeng Cheng, Yufeng Cheng, Yufeng Cheng

    Published 2025-02-01
    “…The model was validated and evaluated using Kaplan–Meier analysis, receiver operating characteristic curves, univariate Cox regression analysis, multivariate Cox regression analysis, column charts, and calibration curves. We also performed a single-cell sequencing analysis of candidate genes via TISCH2. …”
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  17. 7597

    Low transthyretin is associated with the poor prognosis of colorectal cancer by Zhe Zhang, Zhe Zhang, Zhe Zhang, Chenhao Hu, Chenhao Hu, Chenhao Hu, Feiyu Shi, Feiyu Shi, Feiyu Shi, Lei Zhang, Lei Zhang, Lei Zhang, Ya Wang, Ya Wang, Yujie Zhang, Yujie Zhang, Yujie Zhang, Xiaojiang Zhang, Xiaojiang Zhang, Xiaojiang Zhang, Junjun She, Junjun She, Junjun She

    Published 2025-02-01
    “…Compared with other models, the proportional hazards model combined with TTR demonstrates superior performance in terms of C-index, AUC, calibration chart, and DCA within the prognostic column chart.ConclusionsThe preoperative TTR was identified as a prognostic factor for predicting the long-term prognosis of CRC patients who underwent surgical treatment, supporting its role as a prognostic biomarker in clinical practice.…”
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  18. 7598

    HPLC-MS standardization and validation methods for determination of calactin content in dichloromethane fraction of Calotropis gigantea (L.) Dryand. (Niu jiao gua) stem bark and it... by Naphat Kaewpaeng, Sudaporn Wongwan, Khemmachat Pansooksan, Chanakan Chailom, Pattaraporn Chaisupasakul, Dumrongsak Pekthong, Nitra Nuengchamnong, Zhi-Hong Jiang, Li-Ping Bai, Piyarat Srisawang, Supawadee Parhira

    Published 2025-02-01
    “…The study utilized a HPLC-ESI-MS system, negative mode, for standardization and validation. An octadecylsilane column and a mixture of acetonitrile and water containing 0.1 % formic acid in gradient system were used as a stationary phase and a mobile phase, respectively. …”
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  19. 7599

    超高效液相色谱-三重四极杆串联质谱法同时 测定植物油中4种维生素E异构体Simultaneous determination of four vitamin E isomers in vegetable oil by ultra-high performance liquid chromatography- triple quadrupole... by 李彩玲1,张见1,2,刘元法1,3,王晓超1,梅东旭1 LI Cailing1, ZHANG Jian1,2, LIU Yuanfa1,3, WANG Xiaochao1, MEI Dongxu1

    Published 2025-01-01
    “…The results showed that the sample (0.5 g) was extracted with methanol(10 mL), purified with C18 powder (35 mg), separated with Kintex F5 chromatographic column (2.1 mm×100 mm, 1.7 μm), eluted with 0.1% formic acid aqueous solution and 0.1% formic acid-methanol solution as mobile phase by gradient under the speed of 0.4 mL/min, detected under positive ion mode of electric spray (ESI) and multi reaction monitoring mode (MRM), and quantified by external standard method. …”
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  20. 7600