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In vitro antimalarial activity of synthesized TiO2 nanoparticles using Momordica charantia leaf extract against Plasmodium falciparum

Pachiyappan Rajiv Gandhi, Chidambaram Jayaseelan, Chinnaperumal Kamaraj, S. R. Radhika Rajasree, Rathinasamy Regina Mary

. 2018 ; 16 (4) : 378-386.

Jazyk angličtina Země Česko

Typ dokumentu práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/bmc18039924

Malaria is a serious global health challenge, and it has infected millions of people worldwide. There is an urgent need for new antimalarial drugs and drug targets for both prophylaxis and chemotherapy. In the present study, we biosynthesized TiO2 nanoparticles (NPs) using the Momordica charantia leaf aqueous extract as a reducing and stabilizing agent. TiO2 NPs were characterized by UV, XRD, FTIR, HRTEM, EDX, DLS and Zeta-potential. The maximum activity of mosquitocidal was observed in the synthesized TiO2 NPs against Anopheles stephensi Liston (Diptera: Culicidae) larvae and pupae, LC50 were 2.50 mg/l (I instar), 2.86 mg/l (II), 3.29 mg/l (III), 3.43 mg/l (IV), and 5.04 mg/l (pupa). The antimalarial activity of M. charantia leaf aqueous extract and TiO2 NPs were evaluated against CQ-resistant (CQ-r) and CQ sensitive (CQ-s) strains of Plasmodium falciparum. IC50 of M. charantia leaf aqueous extract were 83.64 μg/ml (CQ-s) and 88.14 μg/ml (CQ-r). Synthesized TiO2 NPs achieved IC50 of 53.42 μg/ml (CQ-s) and 59.71 μg/ml (CQ-r). The TiO2 NPs did not exhibit any noticeable toxicity on Poecilia reticulata after 24 h of exposure. Overall, our results suggest that the synthesized TiO2 NPs may be employed to develop newer and safer agents for malaria control.

Citace poskytuje Crossref.org

Bibliografie atd.

Literatura

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$a Malaria is a serious global health challenge, and it has infected millions of people worldwide. There is an urgent need for new antimalarial drugs and drug targets for both prophylaxis and chemotherapy. In the present study, we biosynthesized TiO2 nanoparticles (NPs) using the Momordica charantia leaf aqueous extract as a reducing and stabilizing agent. TiO2 NPs were characterized by UV, XRD, FTIR, HRTEM, EDX, DLS and Zeta-potential. The maximum activity of mosquitocidal was observed in the synthesized TiO2 NPs against Anopheles stephensi Liston (Diptera: Culicidae) larvae and pupae, LC50 were 2.50 mg/l (I instar), 2.86 mg/l (II), 3.29 mg/l (III), 3.43 mg/l (IV), and 5.04 mg/l (pupa). The antimalarial activity of M. charantia leaf aqueous extract and TiO2 NPs were evaluated against CQ-resistant (CQ-r) and CQ sensitive (CQ-s) strains of Plasmodium falciparum. IC50 of M. charantia leaf aqueous extract were 83.64 μg/ml (CQ-s) and 88.14 μg/ml (CQ-r). Synthesized TiO2 NPs achieved IC50 of 53.42 μg/ml (CQ-s) and 59.71 μg/ml (CQ-r). The TiO2 NPs did not exhibit any noticeable toxicity on Poecilia reticulata after 24 h of exposure. Overall, our results suggest that the synthesized TiO2 NPs may be employed to develop newer and safer agents for malaria control.
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