Showing 1,341 - 1,360 results of 4,615 for search '"oxygen"', query time: 0.05s Refine Results
  1. 1341

    Photo-Fenton Degradation of RB5 Dye in Aqueous Solution Using Fe Supported on Mexican Natural Zeolite by José Domenzain-Gonzalez, José J. Castro-Arellano, Luis A. Galicia-Luna, Luis Lartundo-Rojas

    Published 2019-01-01
    “…Then, the evaluation reaction was carried out by UV-Vis spectroscopy to know the change in RB5 concentration and chemical oxygen demand (COD) removal to determine the organic carbon. …”
    Get full text
    Article
  2. 1342

    Post-Christmas Blues: A Rare Cause of Cyanosis by Laurie Barron, H Jay Biem

    Published 2001-01-01
    “…Although she had symptoms and signs of an upper respiratory tract infection, she had a normal cardiorespiratory examination and normal transcutaneous oxygen saturation. Further evaluation revealed a benign cause for the cyanosis.…”
    Get full text
    Article
  3. 1343

    Oxidative Stress and the Central Nervous System by Marcello D’Ascenzo, Claudia Colussi

    Published 2025-01-01
    “…Reactive oxygen and nitrogen species (ROS; RNS) are natural bioproducts of cellular metabolism, particularly produced within the mitochondria during energy production [...]…”
    Get full text
    Article
  4. 1344

    Chemical Activation of the Hypoxia-Inducible Factor Reversibly Reduces Tendon Stem Cell Proliferation, Inhibits Their Differentiation, and Maintains Cell Undifferentiation by Alessandra Menon, Pasquale Creo, Marco Piccoli, Sonia Bergante, Erika Conforti, Giuseppe Banfi, Pietro Randelli, Luigi Anastasia

    Published 2018-01-01
    “…Culturing stem cells under reduced oxygen tensions (below 21%) has been proposed as a tool to increase cell proliferation, but many studies reported opposite effects. …”
    Get full text
    Article
  5. 1345

    Advanced surface-enhanced raman scattering nanoprobes for precise detection of Nitroreductase in Hypoxic tumor cells: Improving Cancer diagnosis by Xiaoyue Zhao, Ying Zhang, Chunyan Zhu, Zhihui Yang, Xiaoyuan Chu

    Published 2025-02-01
    “…Nitroreductase (NTR) plays a critical role in the oxygen-deficient environment of anoxic tumor cells, and its identification is crucial for the diagnosis and treatment of cancer. …”
    Get full text
    Article
  6. 1346

    Surface and interfacial properties of Fe-C-O-Cr alloys in contact with alumina by Novák V., Řeháčková L., Váňová P., Smetana B., Konečná K., Drozdová Ľ., Rosypalová S.

    Published 2020-01-01
    “…Particular attention was paid to the dependence of the surface tension temperature coefficient on oxygen and sulfur activity.…”
    Get full text
    Article
  7. 1347

    Effects of Industrial Wastewater on Water Quality Tigris River at Baghdad Using (GIS) Technique by Sahar Isam Wadeea, Rana Mozahim Hamdoon, Mudhaffar Sadiq Al-Zuhairy

    Published 2022-12-01
    “…Five water quality parameters were considered, those are Hydrogen Ion Concentration (pH), Biochemical Oxygen Demand (BOD5), Chemical Oxygen Demand (COD), Sulfate (SO4), Phosphate (PO4), and Total Suspended Solids (TSS) for the period (2020 to 2021).  …”
    Get full text
    Article
  8. 1348

    Study on the Effect of Polysulfide Content on the Micromorphology and Spontaneous Combustion Characteristics of Coal by Hai-Fei Yao

    Published 2021-01-01
    “…Various parameters, such as true density, porosity, micromorphology, and oxygen uptake of the different sulfur samples, were tested. …”
    Get full text
    Article
  9. 1349

    Second-generation laryngeal mask airway as an alternative to endotracheal tube in prolonged laparoscopic abdominal surgery: a comparative analysis of intraoperative gas exchanges by Sukhee Park, Ja Eun Lee, Gyu Sung Choi, Jong Man Kim, Justin Sangwook Ko, Duck Hwan Choi, Gaab Soo Kim

    Published 2023-11-01
    “…The following parameters were compared between the two groups of patients: end-tidal pressure of carbon dioxide (ETCO2), tidal volume (TV), respiratory rate (RR), peak inspiratory pressure (PIP), arterial partial pressure of carbon dioxide (PaCO2), pH and ratio of arterial partial pressure of oxygen to fractional inspired oxygen (PFR) during surgery. …”
    Get full text
    Article
  10. 1350

    Prevalence and intensity of ectoparasites attacked goonch (Bagarius yarelli) captured from Perjaya Dam, Komering River, South Sumatra by Sofian Sofian, Fazril Saputra, Diah Ayu Satyari Utami

    Published 2024-10-01
    “…Almost all water quality parameter in sampling site, including temperature, pH, and dissolved oxygen, were in normal ranges to support the live of freshwater fish. …”
    Get full text
    Article
  11. 1351

    Microbiological and Physicochemical Characterization of Hospital Effluents before and after Treatment with Two Types of Sawdust by Rabea Elmountassir, Bahia Bennani, Youssef Miyah, Ahlam Fegousse, Ghita El Mouhri, Bouchra Oumokhtar, Mohammed Khatouf, Karima Elkarrach, Ghita Benjelloun Touimi, Anissa Lahrichi

    Published 2019-01-01
    “…Physicochemical parameters such as chemical oxygen demand, biological oxygen demand, nitrate, ammonia, phosphorus, electrical conductivity and the bacteriological parameters like fecal coliforms, Streptococci, and Staphylococci have been measured. …”
    Get full text
    Article
  12. 1352

    Analysis and Evaluation of Seawater Quality in the Northwest of Hainan by HUANG Xia, ZHENG Ruixi

    Published 2024-09-01
    “…Moreover, influenced by factors such as seawater temperature, biomass, and the expansion of hypoxic zones in the central and western parts of the Beibu Gulf, the dissolved oxygen content frequently exceeds the standard, leading to water pollution characterized by low dissolved oxygen levels. …”
    Get full text
    Article
  13. 1353

    Temporal Aspects of Surface Water Quality Variation Using Robust Statistical Tools by Adamu Mustapha, Ahmad Zaharin Aris, Mohammad Firuz Ramli, Hafizan Juahir

    Published 2012-01-01
    “…Partial correlation results revealed that there are strong (rp=0.829) and moderate (rp=0.614) relationships between five-day biochemical oxygen demand (BOD5) and chemical oxygen demand (COD), total solids (TS) and dissolved solids (DS) controlling for the linear effect of nitrogen in the form of ammonia (NH3) and conductivity for dry and wet seasons, respectively. …”
    Get full text
    Article
  14. 1354

    Enhancing photocatalytic hydrogen peroxide generation by tuning hydrazone linkage density in covalent organic frameworks by Avanti Chakraborty, Akhtar Alam, Uttam Pal, Archisman Sinha, Subhadip Das, Tanusri Saha-Dasgupta, Pradip Pachfule

    Published 2025-01-01
    “…COFs with high-density hydrazone linkages, providing optimal docking sites for water and oxygen, enhance H2O2 generation activity (1588 μmol g−1 h−1 from pure water in the air), leading to highly efficient solar-to-chemical energy conversion.…”
    Get full text
    Article
  15. 1355
  16. 1356

    Community health worker and caregiver experiences and perceptions of a multimodal handheld pulse oximeter used in sick child consultations in rural Burundi: A qualitative evaluatio... by Sarah Bauler, Leocadie Nivyindika, Titus Kirwa, Vital Habonimana, Dionis Nizigiyimana, Miles A Kirby, Asrat Tolossa

    Published 2025-01-01
    “…CHWs deemed the devices highly acceptable and took pride in safely storing them but reported challenges in utilizing respiration rate, pulse, and oxygen saturation (though temperature was understood). …”
    Get full text
    Article
  17. 1357

    Three-dimensional computational fluid dynamics (3D-CFD) simulation of hydrogen transport to investigate the effect of output voltage and inlet anode velocity on proton exchange mem... by Abdelaziz Samris, Hamid Mounir

    Published 2025-01-01
    “…Subsequently, it is deployed to simulate the distribution and evolution of various parameters including current density, hydrogen and oxygen mass fractions, pressure and temperature in the PEM fuel cell. …”
    Get full text
    Article
  18. 1358

    Role of Natural Radiosensitizers and Cancer Cell Radioresistance: An Update by Arif Malik, Misbah Sultana, Aamer Qazi, Mahmood Husain Qazi, Gulshan Parveen, Sulayman Waquar, Abdul Basit Ashraf, Mahmood Rasool

    Published 2016-01-01
    “…ROS scavenging is responsible for regulation of reactive oxygen species generation. A researcher has proved that microRNAs regulate tumor radiation resistance. …”
    Get full text
    Article
  19. 1359

    Preparation of high quality ferrovanadium nitride by carbothermal reduction nitridation process by Wu Y.D., Zhang G.H., Chou K.C.

    Published 2017-01-01
    “…The effects of reaction temperature and C/O molar ratio (content of O is defined as the oxygen in V2O5) on the quality of ferrovanadium nitride were investigated in detail. …”
    Get full text
    Article
  20. 1360

    Enhancing visible luminescence in sprayed-ZnO nanostructure through Cu doping by Fatima Zohra Bedia, Asma Bedia, Sidi Mohammed Bedia, Nabila Maloufi, Michel Aillerie, Khadidja Rahmoun

    Published 2025-01-01
    “…This rare occurrence in sprayed ZnO films is attributed to various defects, with the most prominent one being oxygen vacancies (Vo+–Vo++), zinc interstitials (Zni), and oxygen interstitials (Oi). …”
    Get full text
    Article