Browsing Faculty Contributions by Author "AlMaadeed, M. A."
Now showing items 1-17 of 17
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Biotechnological production process and life cycle assessment of graphene
Khanam, P. Noorunnisa; Popelka, Anton; Alejji, Maryam; Al Maadeed, M. A. ( Hindawi , 2017 , Article)The aim of this study is to compare the graphene produced using a biotechnological method (Escherichia coli) with the graphene produced by Hummers' method (a chemical method) and to study the effect on the energy consumption ... -
Characterization of untreated and treated male and female date palm leaves
AlMaadeed, M.A.; Kahraman, Ramazan; Khanam, P. Noorunnisa; Al-Maadeed, Somaya ( Elsevier, Ltd , 2013 , Technical Report)This paper describes the characterization of male and female date palm leaves from two different cultivars, Sheshi female and unknown male leaves. Characterization was done for both untreated and NaOH treated date palm ... -
Characterizing Biaxially Stretched Polypropylene / Graphene Nanoplatelet Composites
Mayoral, B.; Menary, G.; Martin, P.; Garrett, G.; Millar, B.; Douglas, P.; Khanam, N.; AlMaadeed, M.A.; Ouederni, M.; Hamilton, A.; Sun, D.... more authors ... less authors ( Frontiers Media S.A. , 2021 , Article)In this work, polypropylene (PP) nanocomposites containing different weight concentration of graphene nanoplatelets (GNP) were prepared by melt-mixing using an industrial-scale, co-rotating, intermeshing, twin-screw extruder. ... -
Effect of expanded graphite on the phase change materials of high density polyethylene/wax blends
AlMaadeed M.A.; Labidi S.; Krupa I.; Karkri M. ( Elsevier , 2015 , Article)Phase change materials fabricated from high density polyethylene (HDPE) blended with 40 or 50 wt% commercial wax (melting point of 43.08�C) and up to 15 wt% expanded graphite (EG) were studied. Techniques including scanning ... -
Flexible pressure sensor based on PVDF nanocomposites containing reduced graphene oxide-titania hybrid nanolayers
Al-Saygh A.; Ponnamma D.; AlMaadeed M.A.; Poornima Vijayan P.; Karim A.; Hassan M.K.... more authors ... less authors ( MDPI AG , 2017 , Article)A novel flexible nanocomposite pressure sensor with a tensile strength of about 47 MPa is fabricated in this work. Nanolayers of titanium dioxide (titania nanolayers, TNL) synthesized by hydrothermal method are used to ... -
Graphene oxide as antimicrobial against two gram-positive and two gram-negative bacteria in addition to one fungus
Al-Thani, Roda F.; Patan, N.K.; Al-Maadeed, M.A. ( Science Publications , 2014 , Article)Graphene based materials have wide potential applications in biology, biomedical, agriculture environmental and biotechnology. Graphene Oxide (GO) is one of those materials and has a promising substance as antimicrobial ... -
Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites
Noorunnisa Khanam, P.; Al-Maadeed, M. A.; Mrlik, Miroslav ( Springer Nature , 2016 , Article)In this study, recycled low density polyethylene (RLDPE) is developed with the addition of aluminum oxide (Al2O3) to have new polymer composites. The following wt% were used of the filler (1, 4 and 6 wt%). Tensile properties, ... -
Introduction of Biopolymer Composites: What to do in Electronics?
Ponnamma, D.; Sadasivuni, Kishor Kumar; AlMaadeed, M.A. ( Elsevier Inc. , 2017 , Book chapter)Environment friendly, biodegradable and nontoxic materials especially from renewable resources are attaining great levels of attention nowadays. Biopolymers contribute a very significant division of materials through which ... -
Materials and technologies for the tertiary treatment of produced water contaminated by oil impurities through nonfibrous deep-bed media: A review
Sobolciak P.; Popelka A.; Tanvir A.; Al-Maadeed M.A.; Adham S.; Krupa I.... more authors ... less authors ( MDPI AG , 2020 , Article)This review covers various aspects of the treatment of emulsified oil/water mixtures and is particularly focused on tertiary treatment, which means the reduction of the oil content from 70-100 ppm to below 10 ppm, depending ... -
Mechanical, sorption and adhesive properties of composites based on low density polyethylene filled with date palm wood powder
AlMaadeed, Mariam A.; Nógellová, Zuzana; Mičušík, Matej; Novák, Igor; Krupa, Igor ( Elsevier Ltd , 2014 , Article)Low density polyethylene (LDPE) was blended with date palm wood powder (DPW) to prepare composites with concentrations of filler ranging from 10 to 70. wt.%. The Youn?s modulus of the composites significantly increased ... -
Melt processing and properties of linear low density polyethylene-graphene nanoplatelet composites
Khanam, P. Noorunnisa; AlMaadeed, M.A.; Ouederni, M.; HarkinJones, Eileen; Mayoral, Beatriz; Hamilton, Andrew; Sune, Dan... more authors ... less authors ( Elsevier Ltd , 2016 , Article)Composites of Linear Low Density Polyethylene (LLDPE) and Graphene Nanoplatelets (GNPs) were processed using a twin screw extruder under different extrusion conditions. The effects of screw speed, feeder speed and GNP ... -
Melt processing and properties of linear low density polyethylene-graphene nanoplatelet composites
P., Noorunnisa Khanam; AlMaadeed, M.A.; Ouederni, M.; Harkin-Jones, Eileen; Mayoral, Beatriz; Hamilton, Andrew; Sun, Dan... more authors ... less authors ( Elsevier , 2016 , Article)Composites of Linear Low Density Polyethylene (LLDPE) and Graphene Nanoplatelets (GNPs) were processed using a twin screw extruder under different extrusion conditions. The effects of screw speed, feeder speed and GNP ... -
Melt Processing and Properties of Polyamide 6/Graphene Nanoplatelet Composites
Mayoral, B.; Harkin-Jones, E.; Noorunnisa Khanam, P.; AlMaadeed, M. A.; Ouederni, M.; Hamilton, A.; Sun, D.... more authors ... less authors ( ICCCM , 2015 , Conference Paper)In this paper, the processing and characterization of Polyamide 6 (PA6) / graphite nanoplatelets (GNPs) composites is reported. PA6/GNPs composites were prepared by melt-mixing using an industrial, co-rotating, intermeshing, ... -
Mussel-mimicking sulfobetaine-based copolymer with metal tunable gelation, self-healing and antibacterial capability
Mrlík, Miroslav; Špírek, Mário; Al-Khori, Jassim; Ahmad, Ali Abdulrahman; Mosnaček, Jaroslav; AlMaadeed, Mariam AlAli; Kasák, Peter... more authors ... less authors ( Elsevier B.V. , 2020 , Article)In the present study, the sulfobetaine-based copolymer bearing a dopamine functionality showed gel formation adjusted by the application of metal salts for gelation and various values of pH. Normally, the liquid-like ... -
Piezo- and Thermoelectric Materials from Biopolymer Composites
Ponnamma D.; Ogunleye G.J.; Sharma P.; AlMaadeed M.A. ( Elsevier Inc. , 2017 , Book chapter)Energy or power harvesting materials based on polymer nanocomposites have emerged as stable sources of electrical energy. Their wider applications ranging from aerospace to military and from automobiles to e-clothing signify ... -
The stabilizing effect of expanded graphite on the artificial aging of shape stabilized phase change materials
Sobol?iak P.; Abdelrazeq H.; Ouederni M.; Karkri M.; Al-Maadeed M.A.; Krupa I.... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Artificial aging of Shape Stabilized Phase Change Materials (SSPCM) based on linear low density polyethylene (LLDPE) and paraffin wax (W) modified with various amounts of expanded graphite (EG) was investigated and reported ... -
Thermal properties of TiO 2 NP/CNT/LDPE hybrid nanocomposite films
Zagho M.M.; AlMaadeed M.A.; Majeed K. ( MDPI AG , 2018 , Article)This work aims to investigate the effect of hybrid filler concentration on the thermal stability of low-density polyethylene (LDPE) matrices. LDPE-based composite films were synthesized by melt mixing, followed by compression ...