Zobrazeno 1 - 10
of 538
pro vyhledávání: '"Emmanuel I Iwuoha"'
Autor:
Nelia A. Sanga, Marlon Oranzie, Zandile Leve, Kaylin C. Januarie, Kefilwe V. Mokwebo, Onyinyechi V. Uhuo, Natasha Ross, Samantha F. Douman, Keagan Pokpas, Emmanuel I. Iwuoha
Publikováno v:
ChemElectroChem, Vol 11, Iss 14, Pp n/a-n/a (2024)
Abstract For the first time, a novel mercaptosuccinic acid‐capped tungsten telluride quantum dot (MSA‐WTe3‐QD)‐based electrochemical aptasensor was designed for the determination of SARS‐CoV‐2 N‐protein in synthetic human serum, plasma
Externí odkaz:
https://doaj.org/article/20bda43c4c144db19d3929f1157518d4
Autor:
Morongwa E. Ramoroka, Sodiq T. Yussuf, Kelechi C. Nwambaekwe, Miranda M. Ndipingwi, Vivian S. John-Denk, Kwena D. Modibane, Emmanuel I. Iwuoha, Samantha F. Douman
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 8, Iss 3, Pp 100614- (2023)
Poly(3-hexylthiophene-2,5-diyl) (P3HT) chains were grown on the surface of thiophene functionalized polypropylenimine tetramine (PPI-TH) and N-methylpyrrole functionalized polypropylenimine tetramine (PPI-PY) using chemical oxidation polymerization.
Externí odkaz:
https://doaj.org/article/bc2025ff7679474fb48ad51cd39e0b47
Publikováno v:
Journal of Science: Advanced Materials and Devices, Vol 8, Iss 2, Pp 100553- (2023)
Kesterite materials show excellent optical and semiconductive properties for use as p–type absorber layer in photovoltaic (PV) applications, but they have a high open circuit voltage deficit (Voc,def) due to high antisite defect and secondary phase
Externí odkaz:
https://doaj.org/article/e0b293b2d1de4bd1ac3c6462bcb9f684
Publikováno v:
Plants, Vol 12, Iss 15, p 2870 (2023)
Chromatographic fractionation of a methanol extract of Helichrysum rutilans afforded seven known compounds. The isolated compounds were identified as 5,7,8-trihydroxy-3,6-dimethoxyflavone-8-O-2-methyl-2-butanoate (C-1), 5,7-dihydroxy-3,6,8-trimethoxy
Externí odkaz:
https://doaj.org/article/aae8d5ff680f44079b6d4a6f272c4bda
Autor:
Phuti S. Ramaripa, Kwena D. Modibane, Katlego Makgopa, Ostar A. Seerane, Manoko S. Maubane-Nkadimeng, Edwin Makhado, Mpitloane J. Hato, Morongwa E. Ramoroka, Kerileng M. Molapo, Deepanraj Balakrishnan, Emmanuel I. Iwuoha
Publikováno v:
Journal of Photochemistry and Photobiology, Vol 12, Iss , Pp 100142- (2022)
The titanium dioxide-metal-organic framework (TiO2−MOF) composite was prepared using the sol-gel method for photovoltaic applications. Raman analyses showed the presence of MOF clusters in the TiO2 sol-gel network. Using the Brunauer-Emmett-Teller
Externí odkaz:
https://doaj.org/article/51c12d985dcd48bda81003dd18d0a77b
Autor:
Mogwasha D. Makhafola, Kwena D. Modibane, Kabelo E. Ramohlola, Thabiso C. Maponya, Mpitloane J. Hato, Katlego Makgopa, Emmanuel I. Iwuoha
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
Abstract In this study, a nanocomposite of palladium supported graphene oxide (GO)/metal–organic framework (MOF) was prepared using electroless deposition of Pd on GO followed by impregnation method of Pd@GO and MOF. The prepared materials were cha
Externí odkaz:
https://doaj.org/article/df024e1e0f6644048a0a046d0a9ac77e
Autor:
Kelechi C. Nwambaekwe, Vivian Suru John-Denk, Samantha F. Douman, Penny Mathumba, Sodiq T. Yussuf, Onyinyechi V. Uhuo, Precious I. Ekwere, Emmanuel I. Iwuoha
Publikováno v:
Journal of Materials Research and Technology, Vol 12, Iss , Pp 1252-1287 (2021)
With high absorption coefficient (104 cm−1), optimal bandgap (~1.5 eV), low toxicity and the abundance of its constituent elements, kesterite (Cu2ZnSnS4 or CZTS) displays the properties of an ideal photovoltaic material. Kesterite is structurally a
Externí odkaz:
https://doaj.org/article/987895638ab74fbc880c8838d2903381
Autor:
Abongile N. Jijana, Usisipho Feleni, Peter M. Ndangili, Mawethu Bilibana, Rachel F. Ajayi, Emmanuel I. Iwuoha
Publikováno v:
Biosensors, Vol 13, Iss 2, p 242 (2023)
17β-estradiol (E2) is an important natural female hormone that is also classified as an estrogenic endocrine-disrupting compound (e-EDC). It is, however, known to cause more damaging health effects compared to other e-EDCs. Environmental water syste
Externí odkaz:
https://doaj.org/article/6d5a135082e2434f987f54bbed2d3731
Autor:
Morongwa E. Ramoroka, Siyabonga B. Mdluli, Vivian S. John-Denk, Kaylin C. Januarie, Kwena D. Modibane, Kelechi C. Nwambaekwe, Sodiq T. Yussuf, Kefilwe V. Mokwebo, Avril R. Williams, Emmanuel I. Iwuoha
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
The hexathienylbenzene-co-poly(3-hexylthiophene-2,5diyl) (HTB-co-P3HT) conducting polymer was synthesized by oxidative co-polymerization of hexathienylbenzene (HTB) and 3-hexylthiophene using iron chloride (FeCl3) as an oxidant. The effect of chlorob
Externí odkaz:
https://doaj.org/article/e74d220fba744428a2de0c449eb72bd0
Publikováno v:
Results in Chemistry, Vol 4, Iss , Pp 100321- (2022)
Energy underlies the human development and welfare. Today energy depends on combustion of fossil fuels (coal, natural gas, oil) sources. These sources have not only led to severe environmental issues because it emits greenhouse gases, they are rapidl
Externí odkaz:
https://doaj.org/article/9dad7bdd77c945139fab00a0681a142c