Zobrazeno 1 - 10
of 343
pro vyhledávání: '"Emmanuel. I. Iwuoha"'
Autor:
Ninon G. E. R. Etsassala, Jelili A. Badmus, Jeanine L. Marnewick, Samuel Egieyeh, Emmanuel. I. Iwuoha, Felix Nchu, Ahmed A. Hussein
Publikováno v:
Antioxidants, Vol 11, Iss 2, p 378 (2022)
Shortage in insulin secretion or degradation of produced insulin is the principal characteristic of the metabolic disorder of diabetes mellitus (DM). However, because the current medications for the treatment of DM have many detrimental side effects,
Externí odkaz:
https://doaj.org/article/f9a4f8dca706465f99195e3f55b7a68d
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:
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
Autor:
Anne L. Djoumessi Yonkeu, Miranda M. Ndipingwi, Oluwakemi O. Tovide, Morongwa E. Ramoroka, Chinwe Ikpo, Emmanuel I. Iwuoha
Publikováno v:
Polymers, Vol 14, Iss 20, p 4400 (2022)
In this study, electron-donating semicrystalline generation 1 poly(propylene thiophenoimine)-co-poly(3-hexylthiophene) star copolymer, G1PPT-co-P3HT was chemically prepared for the first time. Copolymerization was achieved with high molecular weight
Externí odkaz:
https://doaj.org/article/b54bf6388121446e8f37ed2154684051