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Agarwal, Shikha,Agarwal, Dinesh Kumar,Gautam, Naveen,Agarwal, Kshamta,Gautam, Dinesh Chandra Korean Chemical Society 2014 대한화학회지 Vol.58 No.1
In the course of work on new pharmacologically active antimicrobial agents, we have reported the synthesis of a new class of structurally novel derivatives, incorporating two bioactive structures, a benzothiazole and thiazolidin-4-one, to yield a class of compounds having interesting antimicrobial properties. The antimicrobial properties of the synthesized compounds were investigated against bacteria (Staphylococcus aureus and Escherchia coli) and fungi (Candida albicans and Aspergillus niger) using serial plate dilution method. The structure of the synthesized compounds have been established by elemental analysis and spectroscopic data.
Defects mediated diffusion in Pt/Co/Pt multilayers induced by dense electronic excitations
Neeru Sehdev,Rohit Medwal,Zener Sukra Lie,Dinesh Chandra Agarwal,K. Asokan,D. Kanjilal,S.Annapoorni 한국물리학회 2014 Current Applied Physics Vol.14 No.3
Present study compares the effects of 200 MeV Ag15þ and 100 MeV O7þ ion irradiations on the structural, interfacial mixing and magnetic properties of annealed Pt/Co/Pt layers fabricated by DC magnetron sputtering. X-ray diffraction analysis shows that ion irradiations coupled with post annealing results in the formation of the face centred tetragonal L10 CoPt phase. Irradiation using 200 MeV Ag15þ ions having higher ionizing energy transfer to the film was found to be more efficient in causing structural phase transition as compared with that using 100 MeV energy O7þ ions having lower ionizing energy transfer at similar fluence. Rutherford back scattering analysis reveals the role of defect mediated inter-atomic diffusion in tailoring the alloy composition of the film irradiated by different energetic ions. A broad magnetic switching field distribution for O7þ ion irradiated films compared to Ag15þ ion irradiation was evident from the magnetic measurements. The contribution of alloy composition to switching field distribution has been discussed in details. Above results showed that the electronic energy loss and fluence dependent defects, generated by irradiation, played an important role in tuning the structural, atomic diffusion and magnetic reversal properties of Pt/Co/Pt.
Lata Rajnee,Jaiswal Ved Prakash,Paul Veena,Tripathi Abhishek Dutt,Agarwal Aparna,Rai Dinesh Chandra 한국식품연구원 2023 Journal of Ethnic Foods Vol.10 No.-
Rabri is a concentrated whole milk product from India that has been heat desiccated and sweetened. Herbs are reported to possess therapeutic properties. The addition of these herbs in the food enhances the functionality of the food. Herbal apple rabri was prepared by adding two herbs (brahmi and shatavari). The herbal apple rabri was optimized based on its organoleptic attributes. The sensory evaluation revealed that adding brahmi up to 2.5% and shatavari up to 1.5% is acceptable. The optimized rabri was further analyzed for its texture profile. The shelf life was evaluated based on the physicochemical, antioxidant, phenolics, and microbial content like total plate count and yeast and molds count. The DPPH inhibition activity shows that the optimized rabri has antioxidant potential (58.41 ± 0.03%) compared to control rabri (34.30 ± 0.04%) due to adding herbs. The microbial spoilage in the optimized sample was less as compared to the control sample.