@drmoopensmc.ac.in
Senior Scientist
Dr.Moopen's Medical College
Materials Science, Biomaterials, Ceramics and Composites
Scopus Publications
Scholar Citations
Scholar h-index
Scholar i10-index
T.S. Abhijith, S.S. Shijina, V.P. Muhammad Rabeeh, and V. Sajith
Elsevier BV
Vilayapoyil Muhammad Rabeeh, Karalparambil Surendran Surendramohan, and Hanas Tharayil
Wiley
Fe foams when combined with a proper surface coating can be effectively used as a biodegradable metal with improved biocompatibility and bioactivity. Herein, Fe foams prepared via powder metallurgy route coated with two different bioactive coatings namely polyvinyl alcohol (PVA)/bioglass (BG) and polylactic acid (PLA)/BG are investigated. The effect of hydrophilic PVA and hydrophobic PLA, in conjunction with BG, has been examined. The study of biomineralization, degradation, and weight loss of the composite‐coated material over a period of 28 days is compared with that of the uncoated Fe foam samples in simulated body fluid. The composite coatings on the Fe foam effectively tailor the degradation with enhanced biomineralization. The composite‐coated material exhibits viability toward the L929 fibroblast cell line. The work reveals the great potential of Fe foams to be used as a biodegradable metallic material for temporary implant applications such as bone graft cages.
R. S. Sharan Krishna, V. P. Muhammad Rabeeh, Shebeer A. Rahim, M. A. Joseph, and T. Hanas
Springer Science and Business Media LLC
Magnesium (Mg) is a promising material for temporary implant applications due to its biodegradability and mechanical properties. However, the rapid degradation rate of Mg in the physiological environments makes the implant surface unstable for biological activities, including biomineralization. In this study, the effect of grain refinement on biomineralization and degradation rate of Mg alloy in the physiological environment are investigated using Equal Channel Angular Pressed (ECAP) samples of Mg-0.5Ca alloy. Immersion tests conducted in simulated body fluid (SBF) showed that grain refinement can help promote biomineralization and reduce the degradation rate. The immersion tests revealed that the formation of an in situ calcium phosphate (CaP) layer on the sample surfaces resulting from improved biomineralization can effectively reduce the degradation rate of the alloys. Therefore, it is proposed that grain refinement can be effectively used as a metallurgical modification technique to tailor the bioactivity and biodegradation of Mg alloys in physiological environments.
V. P. Muhammad Rabeeh, Shebeer A. Rahim, Sijina Kinattingara Parambath, G. K. Rajanikant, and T. Hanas
American Chemical Society (ACS)
The biocompatibility and biodegradation of iron (Fe) make it a suitable candidate for developing biodegradable metallic implants. However, the degradation rate of Fe in a physiological environment is extremely slow and needs to be enhanced to a rate compatible with tissue growth. Incorporating noble metals improves the Fe degradation rate by forming galvanic couples. This study incorporated gold (Au) into Fe at very low concentrations of 1.25 and 2.37 μg/g to improve the degradation rate. The electrochemical corrosion test of the samples revealed that the Au-containing samples showed a four-time and nine-time faster degradation rate than pure Fe. Furthermore, the immersion test and long-term electrochemical impedance spectroscopy conducted in simulated body fluid (SBF) revealed that the Au-incorporated samples exhibited increased bioactivity and degraded faster than pure Fe. Integrating nanogold into a Fe matrix increased the in situ formation of hydroxyapatite on the sample's surface and did not cause toxicity to L929-murine fibroblast cells. It is suggested that Fe-Au composites with low concentrations of Au can be used to tailor the biodegradation rate and promote the biomineralization of Fe-based implants in the physiological environment.
Shebeer A. Rahim, KS Surendra Mohan, VP Muhammad Rabeeh, M.A. Joseph, M. Mubarak Ali, and T. Hanas
Elsevier BV
Mathew Gaius Cherian, Shebeer A. Rahim, V. P. Muhammad Rabeeh, M. A. Joseph, and T. Hanas
Springer Science and Business Media LLC
Shebeer A. Rahim, V.P. Muhammad Rabeeh, Sharath Babu, M.A. Joseph, and T. Hanas
CRC Press
V.P. Muhammad Rabeeh, K.S. Akshay, K.S. Surendramohan, T.S. Sampath Kumar, and T. Hanas
CRC Press
K.S. Akshay, V.P. Muhammad Rabeeh, Shebeer A. Rahim, K.P. Sijina, G.K. Rajanikant, and T. Hanas
Elsevier BV
V. P. Muhammad Rabeeh and T. Hanas
Springer Science and Business Media LLC
Muhammad Rabeeh VP and T. Hanas
Elsevier BV
Shebeer A Rahim, VP Muhammad Rabeeh, M A Joseph, and T Hanas
Elsevier BV
Mervin Joe Thomas, Vishnu Lal, Ajith Kurian Baby, Muhammad Rabeeh VP, Alosh James, and Arun K. Raj
Elsevier BV