Zobrazeno 1 - 10
of 64
pro vyhledávání: '"DAVID O. OBADA"'
Autor:
David O. Obada, Emmanuel Okafor, Kazeem A. Salami, Ayodeji N. Oyedeji, Simeon A. Abolade, Shittu B. Akinpelu, Laminu S. Kuburi, Muhammad Dauda, Akinlolu Akande
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100959- (2024)
In this study, density functional theory (DFT) based ab initio calculations were performed to complement the experimentally obtained structural properties of strontium doped hydroxyapatite (Sr-HAp) prepared through the solution combustion synthesis (
Externí odkaz:
https://doaj.org/article/640ef0b854e647379d1e23048eed8bd1
Publikováno v:
Results in Physics, Vol 64, Iss , Pp 107891- (2024)
Unlike other conventional metal chalcogenides, where the Perdew-Burke-Ernzerhof (PBE) functional tends to underestimate band gaps, bismuth (Bi) chalcogenides, particularly Bi selenides, exhibit a counterintuitive behaviour with band gap predictions t
Externí odkaz:
https://doaj.org/article/0d02c49e280b4cd989cb8874d6c4d9e4
Autor:
David O. Obada, Mamuda Muhammad, Salihu B. Tajiri, Mkpe O. Kekung, Simeon A. Abolade, Shittu B. Akinpelu, Akinlolu Akande
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100669- (2024)
The reality of climate change is a fact that cannot be disputed. Its impact is felt globally on nature and humans. Drought, flooding, delayed or excessive rainfall, extreme heat conditions, rising sea levels, hurricanes, etc., have been linked to glo
Externí odkaz:
https://doaj.org/article/92e2303bea1f4b9388d4ac955cf45545
Autor:
David O. Obada, Nuradeen Idris, Mohammed Idris, Bashar Dan-Asabe, Kazeem A. Salami, Ayodeji N. Oyedeji, Stefan Csaki, Adetunji R. Sowunmi, Simeon A. Abolade, Shittu B. Akinpelu, Akinlolu Akande
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100648- (2024)
Using a low-compaction protocol, the optimum sintering dwell time for fabricating hydroxyapatite (HA) scaffolds was investigated. HA was synthesized through a facile direct thermal conversion approach using a calcination temperature of 900 °C at 2,
Externí odkaz:
https://doaj.org/article/400e63ad2a514232af5a02ae2b335ce5
Publikováno v:
Next Materials, Vol 3, Iss , Pp 100151- (2024)
A modified two-stage repeat sintering (TSRS) technique has been used to produce hydroxyapatite (HAp) from non-separated animal bones, and the energy consumption per cycle of the proposed TSRS was calculated. The TSRS technique was compared to the con
Externí odkaz:
https://doaj.org/article/446d60187b0149849d851474754d3cad
Autor:
David O. Obada, Kazeem A. Salami, Ayodeji N. Oyedeji, Obinna A. Osuchukwu, Jimoh Abass, Christian Ogwuche, Naresh D. Bansod, Michael I. Ubgaja, Ibrahim U. Ibrahim, Bello Abdulkareem, Rabiu K. Olawale, Luqman K. Abidoye
Publikováno v:
Heliyon, Vol 10, Iss 3, Pp e25026- (2024)
Polymeric materials are constantly exposed to aggressive environments, negatively impacting their mechanical and chemical properties. In salt, acid, or alkaline solutions, polymer materials degrade due to surface flaws, microcracks, or other irregula
Externí odkaz:
https://doaj.org/article/6e974fb8259e46c2b35592cce9486640
Publikováno v:
Environmental Advances, Vol 13, Iss , Pp 100419- (2023)
In this study, porous hydroxyapatite/kaolin-based ceramic (PHKC) materials were fabricated using beneficiated kaolin, starch as a pore former, and hydroxyapatite (HAp) as potential adsorbents for water purification. The effect of different raw materi
Externí odkaz:
https://doaj.org/article/67b0e6a025b2436f94bf9727184bba94
Autor:
David O. Obada, Shittu B. Akinpelu, Simeon A. Abolade, Emmanuel Okafor, Aniekan M. Ukpong, Syam Kumar R, Akinlolu Akande
Publikováno v:
Crystals, Vol 14, Iss 1, p 86 (2024)
Metal halide perovskite materials have shown significant advancements in their application as light absorbers in perovskite solar cells, with power conversion efficiencies reaching 27%. However, lead-based perovskites pose a concern due to their toxi
Externí odkaz:
https://doaj.org/article/7f42fd28e9494350b99ec0d9bfa96405
Autor:
Obinna A. Osuchukwu, Abdu Salihi, Ibrahim Abdullahi, David O. Obada, Simeon A. Abolade, Akinlolu Akande, Stefan Csaki, David Dodoo-Arhin
Publikováno v:
Data in Brief, Vol 48, Iss , Pp 109075- (2023)
The purpose of this data article is to report the quantum mechanical analysis by generalized gradient approximation (GGA) exchange-correlation functional using density functional theory (DFT). The predictions were based on the elastic constants and m
Externí odkaz:
https://doaj.org/article/8754bb303db7486c812c292f2a3cfc3e
Publikováno v:
Engineering Reports, Vol 3, Iss 2, Pp n/a-n/a (2021)
Abstract Laboratory data acquisition and analysis of X‐ray diffraction (XRD) data involves a lot of tedious human engineering and is time‐consuming. To put in context, a summation of the material synthesis procedure leading to the analysis of the
Externí odkaz:
https://doaj.org/article/043f0317bd6045929a5de7bb29269e03