Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Messai A. Mamo"'
Publikováno v:
Food Chemistry: Molecular Sciences, Vol 8, Iss , Pp 100197- (2024)
This study identified and monitored the levels of aflatoxins (B1 and B2) produced by Aspergillus flavus isolate VKMN22 (OP355447) in maize samples sourced from a local shop in Johannesburg, South Africa. Maize samples underwent controlled incubation
Externí odkaz:
https://doaj.org/article/59429aacd5f84fc4abc6e43f8f45ecfc
Publikováno v:
Heliyon, Vol 10, Iss 2, Pp e24679- (2024)
Plastics, which majorly consist of polypropylene (PP), polyethylene (linear low-density polyethylene (LLDPE), low-density polyethylene (LDPE) and high-density polyethylene (HDPE)), polystyrene (PS), polyvinyl chloride (PVC), polyethylene terephthalat
Externí odkaz:
https://doaj.org/article/10bd044577934c0c9bac81fc25746b21
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e22329- (2023)
With significant technological advances, solid-state gas sensors have been extensively applied to detect toxic gases and volatile organic compounds (VOCs) in confined areas such as indoor environments and industries and to identify gas leakage. Semic
Externí odkaz:
https://doaj.org/article/811617537ad743738c577c0cd28efe3b
Publikováno v:
Nanomaterials, Vol 13, Iss 20, p 2810 (2023)
In this work, we report on the synthesis of four morphologies of ZnO, namely, nanoparticles, nanorods, nanosheets, and nanoflowers, from a single precursor Zn(CH3COO)2·2H2O under different reaction conditions. The synthesised nanostructured material
Externí odkaz:
https://doaj.org/article/a4c2e972a87e4476bcd6aca16f0032db
Publikováno v:
ACS Omega, Vol 6, Iss 47, Pp 31528-31538 (2021)
Externí odkaz:
https://doaj.org/article/482fb80345734fef9419935a8cbd2221
Publikováno v:
Chemical Physics Impact, Vol 4, Iss , Pp 100068- (2022)
We reported the successful fabrication of sensors composed of three sensing materials, TiO2, CNPs and CA. The sensing materials were characterised using XPS, P-XRD and HRTEM. Three sensors were fabricated by varying the mass of TiO2 in the composites
Externí odkaz:
https://doaj.org/article/17547ab9deb043b2adc357a15d65a37e
Publikováno v:
AIP Advances, Vol 11, Iss 10, Pp 105203-105203-12 (2021)
Three sensors were prepared with SnO2, carbon nanoparticles (CNPs), and cellulose acetate (CA) composites, and each sensor containing different amounts of SnO2 powder were prepared for the detection of n-dodecane, 2-hexanone, and 3-methylcyclopentano
Externí odkaz:
https://doaj.org/article/a2611d4dbdf04fb6b4a62b068eaa2ff7
Publikováno v:
ACS Omega, Vol 4, Iss 5, Pp 8324-8333 (2019)
Externí odkaz:
https://doaj.org/article/cfcbce3f16674f81bfe7109e8d856954
Publikováno v:
Polymers, Vol 14, Iss 14, p 2898 (2022)
The future and continuity of nanomaterials are heavily dependent on their availability and affordability. This could be achieved when cheap materials are actively employed as starting materials for nanomaterials synthesis. In this study, waste corn c
Externí odkaz:
https://doaj.org/article/0e3c731ce1764b2fb8166bb147fc1995
Autor:
Veronica W. O. Wanjeri, Sefater Gbashi, Jane C. Ngila, Patrick Njobeh, Messai A. Mamo, Patrick G. Ndungu
Publikováno v:
International Journal of Analytical Chemistry, Vol 2019 (2019)
Multiwalled carbon nanotube (MWCNT) was fixed onto the surface of a magnetic silica (Fe3O4@SiO2) substrate via chemical vapour deposition (CVD). Acetylene gas was used as the carbon source and cobalt oxide as the catalyst. The chemical and physical c
Externí odkaz:
https://doaj.org/article/8bf867731cf34169b858dfa58570d475