Work by the faculty and students of the Department of Biology, Chemistry and Environmental Sciences

Recent Submissions

  • Biophysical model of coral population connectivity in the Arabian/Persian Gulf 

    Cavalcante, Geórgenes H.; Vieira, Filipe; Mortensen, Jonas; Ben-Hamadou, Radhouane; Range, Pedro; Goergen, Elizabeth; Campos, Edmo; Riegl, Bernhard (Elsevier, 2020)
    The coral reef ecosystems of the Arabian/Persian Gulf (the Gulf ) are facing profound pressure from climate change (extreme temperatures) and anthropogenic (land-use and population-related) stressors. Increasing degradation ...
  • Fluorescent aminal linked porous organic polymer for reversible iodine capture and sensing 

    Sabri, Muhammad Ashraf; Al-Sayah, Mohammad; Sen, Susan; Ibrahim, Taleb; El-Kadri, Oussama (Nature, 2020)
    A novel triazene-anthracene-based fuorescent aminal linked porous organic polymer (TALPOP) was prepared via metal free-Schif base polycondensation reaction of 9,10-bis-(4,6-diamino-S-triazin2-yl)anthracene and 2-furaldehyde. ...
  • Scale-Up of Self-Regenerating Semi-Batch Adsorption Cycles through Concurrent Adsorption and Reduction of Cr(VI) on Sheep Wool 

    Badrelzaman, Mohamed; Khamis, Mustafa; Ibrahim, Taleb; Jumean, Fawwaz (MDPI, 2020)
    A previous publication by our group reported that adsorption of Cr(VI) on sheep wool reached 99% when allowed a long residence time, with concurrent reduction to Cr(III). In this study, the process was scaled up by optimizing ...
  • Chemical disinfectants of COVID-19: an overview 

    Al-Sayah, Mohammad (IWA Publishing, 2020-07)
    The outbreak of coronavirus (COVID-19) has led to a broad use of chemical disinfectants in order to sterilize public spaces and prevent contamination. This paper surveys the chemicals that are effective in deactivating the ...
  • Memory Effect of the Southern Atlantic Subtropical Dipole 

    Santis, Wlademir; Castellanos, Paola; Campos, Edmo (American Meteorological Society, 2020-08-04)
    The South Atlantic subtropical dipole is the dominant mode of coupled variability in the South Atlantic, connecting sea level pressure and sea surface temperature. Previous studies have shown its great relevance to the ...
  • Highly variable upper and abyssal overturning cells in the South Atlantic 

    Kersale, Marion; Meinen, Christopher S.; Perez, Renellys C.; Le Henaff, Matthieu; Valla, Daniel; Lamont, Tarron; Sato, Olga; Dong, Shenfu; Terre, Thierry; van Caspel, Mathias; Chidichimo, Maria Paz; van den Berg, Marcel; Speich, Sabrina; Piola, Alberto; Campos, Edmo; Ansorge, Isabelle; Volkov, Denis; Lumpkin, Rick; Garzoli, Silvia (American Association for the Advancement of Science, 2020-08-05)
    The Meridional Overturning Circulation (MOC) is a primary mechanism driving oceanic heat redistribution on Earth, thereby affecting Earth's climate and weather. However, the full-depth structure and variability of the MOC ...
  • Development and Characterization of Novel Composite and Flexible Electrode Based on Titanium Dioxide 

    Alatoom, Aseel Dirar; Al-Othman, Amani; Al-Nashash, Hasan; Al-Sayah, Mohammad (IEEE, 2020-06-11)
    Flexible implantable bioelectrodes have the potential to advance neural sensing and muscle stimulation, especially in peripheral nerve injuries. In such cases, the application of electrical stimulation to muscles prevents ...
  • Anti-bacterial self-assembled nanotubes of cyclic d, l-alpha-peptides 

    Al-Sayah, Mohammad; Ghadiri, M. Reza (AIP Publishing, 2007)
    Cyclic D, L‐α‐peptides can be designed to spontaneously partition into lipid and cell membranes where they self‐assemble into membrane‐permeating nanotubes and result in disruption of membrane potentials leading to rapid ...
  • Uptake of Chromium by Portulaca Oleracea from Soil: Effects of Organic Content, pH, and Sulphate Concentration 

    Alyazouri, Ayman; Jewsbury, Roger; Tayim, Hassan; Humphreys, Paul; Al-Sayah, Mohammad (Hindawi, 2020)
    Phytoextraction is an effective and environment-friendly approach for remediation of soil polluted with toxic metals. Portulaca oleracea is a potential hyperaccumulator of Cr(VI) from polluted soil. In this study, the ...
  • Freshwater budget in the Persian (Arabian) Gulf and exchanges at the Strait of Hormuz 

    Campos, Edmo; Gordon, Arnold L.; Kjerfve, Bjorn; Vieira, Filipe; Cavalcante, Geórgenes H. (PLOS, 2020-05-29)
    Excess evaporation within the Persian (also referred as the Arabian) Gulf induces an inverse-estuary circulation. Surface waters are imported, via the Strait of Hormuz, while saltier waters are exported in the deeper layers. ...
  • Cyclic Sequential Removal of Alizarin Red S Dye and Cr(VI) Ions Using Wool as a Low-Cost Adsorbent 

    Khamis, Mustafa; Ibrahim, Taleb; Jumean, Fawwaz; Sara, Ziad; Atallah, Baraa (MDPI, 2020)
    Alizarin red S (ARS) removal from wastewater using sheep wool as adsorbent was investigated. The influence of contact time, pH, adsorbent dosage, initial ARS concentration and temperature was studied. Optimum values were: ...
  • Bioluminescence Imaging Applications in Cancer: A Comprehensive Review 

    AlSawaftah, Nour Majdi; Farooq, Afifa; Dhou, Salam; Majdalawieh, Amin (IEEE, 2020)
    Bioluminescence imaging (BLI), an optical preclinical imaging modality, is an invaluable imaging modality due to its low-cost, high throughput, fast acquisition times, and functional imaging capabilities. BLI is being ...
  • Outcomes and Key Factors of Success for ISO 14001 Certification: Evidence from an Emerging Arab Gulf Country 

    Waxin, Marie-France; Knuteson, Sandra; Bartholomew, Aaron (MDPI, 2019)
    The objectives of this research were: (1) To examine the outcomes and key factors of success (KFS) related to ISO 14001 certification, (2) to compare and contrast these in private organizations (PRIVOs) and public organizations ...
  • Mechanical and phytochemical protection mechanisms of Calligonum comosum in arid deserts 

    Soliman, Sameh S.M.; Mohammad, Mohammad G.; El-Keblawy, Ali A.; Omar, Hany; Abouleish, Mohamed; Madkour, Mohamed; Elnaggar, Attiat; Hosni, Racha M. (Public Library of Science, 2018)
    Unlike animals, plants are sessile organisms, lacking circulating antibodies and specialized immune cells and are exposed to various harsh environmental conditions that make them at risk of being attacked by different ...
  • Gut bacteria of Cuora amboinensis (turtle) produce broad-spectrum antibacterial molecules 

    Akbar, Noor; Khan, Naveed Ahmed; Sagathevan, K; Iqbal, Mazhar; Tawab, Abdul; Siddiqui, Ruqaiyyah (Nature Research, 2019)
    Antimicrobial resistance is a major threat to human health, hence there is an urgent need to discover antibacterial molecule(s). Previously, we hypothesized that microbial gut flora of animals are a potential source of ...
  • Seasonal Variability of Retroflection Structures and Transports in the Atlantic Ocean as Inferred from Satellite-Derived Salinity Maps 

    Castellanos, Paola; Olmedo, Estrella; Pelegrí, Josep Lluis; Turiel, Antonio; Campos, Edmo (MDPI, 2019)
    Three of the world’s most energetic regions are in the tropical and South Atlantic: the North Brazil Current Retroflection, the Brazil-Malvinas Confluence, and the Agulhas Current Retroflection. All three regions display ...
  • Lipophilic Metabolites and Anatomical Acclimatization of Cleome amblyocarpa in the Drought and Extra-Water Areas of the Arid Desert of UAE 

    Soliman, Sameh S.M.; Abouleish, Mohamed; Abou-Hashem, Maged M.M.; Hamoda, Alshaimaa M.; El-Keblawy, Ali A. (MDPI, 2019)
    Plants adapt to different environmental conditions by developing structural and metabolic mechanisms. In this study, anatomical features and lipophilic metabolites were investigated in Cleome amblyocarpa Barr. & Murb., ...
  • Effects of Shape and Size of Cobalt Phosphate Nanoparticles against Acanthamoeba castellanii 

    Anwar, Ayaz; Fung, Leong Chi; Anwar, Areeba; Jagadish, Priyanka; Numan, Arshid; Khalid, Mohammad; Shahabuddin, Syed; Siddiqui, Ruqaiyyah; Khan, Naveed Ahmed (MDPI, 2019)
    T4 genotype Acanthamoeba are opportunistic pathogens that cause two types of infections, including vision-threatening Acanthamoeba keratitis (AK) and a fatal brain infection known as granulomatous amoebic encephalitis ...
  • Pharmacognostic evaluation of Terminalia chebula standard extracts and finished products 

    Gunasekar, Conjeevaram J.; Abu-Yousef, Imad; Majdalawieh, Amin; Narasimhan, Srinivasan (ResearchGate, 2019)
    The different commercial samples of Terminalia chebula (T. chebula) standard extracts and finished products were taken for elemental analysis studies and were evaluated by ICP-OES and compared with standard reference data. ...
  • PIRATA: A Sustained Observing System for Tropical Atlantic Climate Research and Forecasting 

    Bourlès, Bernard; Araujo, Moacyr; McPhaden, Michael J.; Brandt, Peter; Foltz, Gregory R.; Lumpkin, Rick; Giordani, Hervé; Hernandez, Fabrice; Lefèvre, Nathalie; Nobre, Paulo; Campos, Edmo; Saravanan, Ramalingam; Trotte‐Duhà, Janice; Dengler, Marcus; Hahn, Johannes; Hummels, Rebecca; Lübbecke, Joke F.; Rouault, Mathieu; Cotrim, Leticia; Sutton, Adrienne; Jochum, Markus; Perez, Renellys C. (American Geophysical Union (AGU), 2019)
    Prediction and Research Moored Array in the Tropical Atlantic (PIRATA) is a multinational program initiated in 1997 in the tropical Atlantic to improve our understanding and ability to predict ocean‐atmosphere variability. ...

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