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Cytotoxic and Antibacterial Activities of Gossypin
D. Chamundeeswari,Ethirajan Sukumar,K. Amar,N. Brahmananda Reddy,I. Anil Kumar,B. V. Chowdry,K. Samatha 한국생약학회 2007 Natural Product Sciences Vol.13 No.4
a naturally occurring polyhydroxy flavonoid, when subjected to in vitro cytotoxic screeningagainst vero cell lines exhibited 68.75% inhibition at a concentration of 1000 .g. When tested against fivebacteria and five fungi, the flavone derivative showed a moderate activity against Staphylococcus aureus and, mild inhibition against Pseudomonas aerugenosa and Salmonella typhi and no activity againstany of the tested fungi, in the concentrations studied.KeywordsGossypin, cytotoxicity, antibacterial activity
B. Vikram Babu,M. Sushma Reddi,A. Rama Krishna,B. Sathish Mohan,G. Chandana,K. Anjani Devi,B. Sridhar,K. Samatha 한국전기전자재료학회 2022 Transactions on Electrical and Electronic Material Vol.23 No.5
This research article aims at reporting the influence of magnesium by studying the structural, electrical impedance and modulus properties of the Mg substituted Li 4 Ti 5 O 12 . These studies are useful for the electrochemical properties. The XRD reveals that the structure of all the Mg substituted materials belongs to the cubic spinel group having Fd-3m space symmetry. SEM images display the structural, morphological properties with the average size of grains falling in the vicinity of 1 μm. The electrical impedance of Li 4− x Mg x Ti 5 O 12 materials was analyzed at frequencies between 20 Hz and 1 MHz and in the 30–120 °C range of temperature by employing the complex impedance spectroscopy (CIS) method. The modulus formalism is also a suitable tool to understand the dynamical characteristics of electrical transport phenomena. The complex electric modulus spectrum signifi es quantifying the allocation of ion energies or confi gurations in the lattice. Also, it portrays the electrical relaxation of ion-conducting lattices as a feature of materials at a minuscule level. The obtained results of substitution of Mg in Li 4 Ti 5 O 12 anode materials improve the potential applications of conductivity and charge/discharge performance.