Zobrazeno 1 - 10
of 343
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
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
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:
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:
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:
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:
Ge Shi, Miao Tian, Yutong Chen, Linxin Zhong, Wenli Zhang, Zehong Chen, Shirong Sun, Ruidong Xia, Emmanuel I. Iwuoha, Xinwen Peng
Publikováno v:
Advanced Functional Materials; 4/25/2024, Vol. 34 Issue 17, p1-12, 12p