Collections in this community

Recent Submissions

  • Phylogenetic analyses of peanut resistance gene candidates and screening of different genotypes for polymorphic markers 

    Osman E., Radwan; Ahmed, Talaat A.; Knapp, Steven J. ( Elsevier , 2009 , Article)
    The nucleotide-binding-site-leucine-rich-repeat (NBS–LRR)-encoding gene family has attracted much research interest because approximately 75% of the plant disease resistance genes that have been cloned to date are from ...
  • Date palm status and perspective in qatar 

    Muhammed, Nazir H.; Ahmed, Osman E.; Ahmed, Talaat A.; Al-Yafai, Mohammed S. ( Springer Netherlands , 2015 , Article)
    Qatar ranks as the 16 largest date-producing country in the world. There are 581,336 date palm trees growing in an area of 2,469 ha with date production of 21,491 mt as of 2010. It is the major fruit tree grown in the ...
  • Membrane solubilization in erythrocytes as a measure of radiation exposure to fast neutrons 

    Monem, A Soltan; Ali, Fadel M; Al-Thani, Noura J J.; Ali, Samira A ( IOP Publishing , 1999 , Article)
    Membrane solubilization and osmotic fragility of rat erythrocytes irradiated in vivo with fast neutron fluences ranging from 106 to 5 x 107 n cm-2 using a 252Cf source were measured instantaneously using a light scattering ...
  • Microstructural investigation of gamma-irradiated ultra high molecular weight polyethylene in nitrogen atmosphere 

    Al-Maadeed, M.; Al-Thani, N. J.; Bader, M. ( Trans Tech Publications , 2010 , Conference Paper)
    In this paper the results of structural changes in ultra high molecular polyethylene (UHMWPE) upon gamma irradiation and storage in nitrogen environment are reported. Based on differential scanning calorimetry (DSC), wide ...
  • Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends 

    Al-Maadeed, M.; Al-Thani, N. J. ( Trans Tech Publications , 2010 , Conference Paper)
    Thin films of a blend of 90, 75, 50 (wt/wt%) percentage of polyethylene oxide and polyvinyl alcohol were synthesized and irradiated with 5, 25, 50, 100 and 200 kGy. The presence of PVA leads to diffusion controlled mechanism ...
  • Pottery from Halat Aobeer and Hazem Al-Jasrah, Qatar 

    Al Maadeed, M.A.; Al Thani, N.J.; Sadeq, M.; Sobott, R. ( Elsevier , 2013 , Article)
    In this paper the results of investigations on six archaeological ceramic sherds of the most common Islamic earthenware from the site of Halat Aobeer and Hazam Al-Jasrah are presented. The data was obtained by using a ...
  • Cost estimation of synthesis and utilization of nano-adsorbents on the laboratory and industrial scales: A detailed review 

    GadelHak, Yasser; El-Azazy, Marwa; Shibl, Mohamed F.; Mahmoud, Rehab K. ( Elsevier , 2023 , Article Review)
    The recent regulations pertaining to the circular economy have unlocked new prospects for researchers. In contrast to the unsustainable models associated with the linear economy, integration of concepts of circular economy ...
  • Keratin for potential biomedical applications 

    El-Azazy, Marwa ( Elsevier , 2022 , Book chapter)
    Keratin is a cysteine-rich fibrous protein. As a structural protein, keratin represents the major constituent in the appendageal structures conferring their structural features. Being copiously available in nature as a ...
  • Determination of midodrine hydrochloride via Hantzsch condensation reaction: A factorial design based spectrophotometric approach 

    Elazazy, Marwa S. ( Royal Society of Chemistry , 2015 , Article)
    A set of experimental designs was executed to attain the optimal reaction parameters of chemical derivatization of midodrine hydrochloride (MD·HCl) in oral formulas via a Hantzsch condensation reaction. The process variables, ...
  • Investigating the individual interests of undergraduate students in STEM disciplines 

    Ammar, Mohammad; Siby, Nitha; Khalili, Sara; Al-Thani, Alshayma N.; Sellami, Abdellatif; ... more authors ( Frontiers Media SA , 2024 , Article)
    Despite massive investments in the education sector to empower youth in Qatar, a vital concern remains to retain students in science, technology, engineering, and mathematics (STEM) disciplines at the undergraduate level. ...
  • Spectroscopy characterizations of nanoscale polymer-based coatings 

    Parangusan, Hemalatha; Bhadra, Jolly; Ponnamma, Deepalekshmi; Karuppasamy, K.; Al-Thani, Noora ( Elsevier , 2023 , Book chapter)
    Nanoscale polymer-based coatings have become center of importance in present day's materials research. Because of their unique properties, such as less weight, ductility, and ease of manufacture, polymer-based films are ...
  • Characterizing the effective reproduction number during the COVID-19 pandemic: Insights from Qatar's experience 

    Bsat, Raghid; Chemaitelly, Hiam; Coyle, Peter; Tang, Patrick; Hasan, Mohammad R.; ... more authors ( Edinburgh University Global Health Society , 2022 , Article)
    Background The effective reproduction number, Rt, is a tool to track and understand pandemic dynamics. This investigation of Rt estimations was conducted to guide the national COVID-19 response in Qatar, from the onset of ...
  • Recent advances in synthesis of functionalized β-lactams through cyclization of N-propargyl amine/amide derivatives 

    Vessally, Esmail; Babazadeh, Mirzaagha; Hosseinian, Akram; Edjlali, Ladan; Sreerama, Lakshmaiah ( Bentham Science Publishers B.V. , 2018 , Other)
    β-lactams have attracted a significant attention due to their potential biological activities and wide variety of synthetic applications. Developing novel and efficient methods for construction of functionalized β-lactams ...
  • Currently Used Microbes and Advantages of Using Genetically Modified Microbes for Ethanol Production 

    Joshi, Bishnu; Joshi, Jarina; Bhattarai, Tribikram; Sreerama, Lakshmaiah ( Elsevier , 2018 , Book chapter)
    Advancement in biotechnological methods has increased the potential for the commercial development of second-generation biofuels from lignocellulosic biomass. In this regard, the methods related to pretreatment of ...
  • Whole-Genome Sequence Data Analysis of Anoxybacillus kamchatkensis NASTPD13 Isolated from Hot Spring of Myagdi, Nepal 

    Yadav, Punam; Sharma, Shikha; Bhattarai, Tribikram; Sreerama, Lakshmaiah; Prasad, Gandham S.; ... more authors ( Hindawi Limited , 2021 , Article)
    Anoxybacillus kamchatkensis NASTPD13 isolated from Paudwar hot spring of Myagdi, Nepal, upon morphological and biochemical analysis revealed to be Gram-positive, straight or slightly curved, rod-shaped, spore-forming, ...
  • Nanostructures Formed by Custom-Made Peptides Based on Amyloid Peptide Sequences and Their Inhibition by 2-Hydroxynaphthoquinone 

    Mannem, Radhika; Yousuf, Mohammed; Sreerama, Lakshmaiah ( Frontiers Media S.A. , 2020 , Article)
    Extensive research on amyloid fibril formations shows that certain core sequences within Aβ peptide play an important role in their formation. It is impossible to track these events in vivo. Many proteins and peptides with ...
  • The use of microbial fuel cell for efficient treatment of cauliflower waste and generation of electricity 

    Maharjan, Rocky; Dhungana, Pradip; Sreerama, Lakshmaiah; Bhatt, Puja; Prajapati, Bikram; ... more authors ( Taylor and Francis Ltd. , 2023 , Article)
    Microbial fuel cell (MFC) is an alternative way for household organic waste treatment as it produces sustainable clean energy. Chemical parameters of the cauliflower leaf waste before treatment were 143.5 mg/g COD, 0.90 ...
  • Phytochemical Analysis of Anastatica hierochuntica and Aerva javanica Grown in Qatar: Their Biological Activities and Identification of Some Active Ingredients 

    Thotathil, Vandana; Sidiq, Naheed; Fakhroo, Ameena; Sreerama, Lakshmaiah ( MDPI , 2023 , Article)
    Plant-derived compounds and their extracts are known to exhibit chemo preventive (antimicrobial, antioxidant and other) activities. The levels of such chemo preventive compounds vary depending on environmental factors, ...
  • In silico-designed antimicrobial peptide targeting MRSA and E. coli with antibacterial and antibiofilm actions 

    Madni, Hafsa; Mohamed, Hana A.; Abdelrahman, Hana Adel Mohamed; dos Santos-Silva, Carlos André; Benko-Iseppon, Ana Maria; ... more authors ( Springer Nature , 2024 , Article)
    Antibiotic resistance is a paramount global health issue, with numerous bacterial strains continually fortifying their resistance against diverse antibiotics. This surge in resistance levels primarily stems from the overuse ...
  • Diving into the vertical dimension of elasmobranch movement ecology 

    Andrzejaczek, Samantha; Lucas, Tim C.D.; Goodman, Maurice C.; Hussey, Nigel E.; Armstrong, Amelia J.; ... more authors ( American Association for the Advancement of Science , 2022 , Article)
    Knowledge of the three-dimensional movement patterns of elasmobranchs is vital to understand their ecological roles and exposure to anthropogenic pressures. To date, comparative studies among species at global scales have ...

View more