The optimal activation conditions were determined as 37 min, 120°C, in 0.73 M citric acid, with a sample/acid ratio of 1/100 (mass/volume). To determine the basic properties such as chemical structure, porosity, and surface properties of the neem biomass (NB) and chemically modified neem...
Isonimolicinolide (1) and nimolicinoic acid (3), two new triterpenoids have been isolated from the neutral fraction of the fresh, undried, unruptured, ripe fruits of Azadirachta indica(neem) and their structures elucidated through chemical and spectral studies. The mother fraction of the two ...
12.Study on Chemistry of Neem and Its Bioactive Constituents;印楝种仁成分的化学及活性成分研究 13.The chemist resolved the mixture into its different parts.化学家将这种混合物分解成其各种成分。 14.Studies on the Chemical Constituents and Bioactivities of Nigella Glandulifera Freyn et Sint. and Carthamu...
bullata, and its structure was confirmed by single-crystal X-ray analysis [69] (Figure 14). FigFuigreur1e4.1C4.hCemheimcailcsatlrsutcrtuucrteusreosf o7.f17',.81.'3,8'-.3cy'-cclyocnloeonleioglnigannas.ns. Figure 14. Chemical structures of 7.1',8.3'-cycloneolignans. 6. Oxy...
Keywords: sulfonated poly(aryl ether sulfone); phthalazinone; structure; composite membranes; nanofiltration 1. Introduction Access to secure, sustainable sources of fresh water is one of the urgent needs in this century [1,2]. Membrane separation technology, as a method for wastewater treatment,...
Through activation treatments such as physical activation and chemical activation, it is possible not only to create an abundant pore structure for carbon materials, but also to introduce oxygen-containing functional groups on their surfaces [52,53]. Physical activation involves the carbonization of a...
Use of Esterified Mustard, Karanja and Neem Oils as a Substitute for Diesel Fuel in C.I. Engine engine. Studies have revealed that on blending esterified vegetable oils with diesel a remarkable improvement in their physical and chemical properties took ... C Sun - 《International Journal of Me...
R. et al. Isolation and Structure of Cancer Cell Growth Inhibitory Tetracyclic Triterpenoids from the Zimbabwean Monadenium lugardae. Journal of natural products 79, 1598–1603, doi: 10.1021/acs.jnatprod.6b00107 (2016). Article CAS PubMed Google Scholar Hyer, M. L. et al. Synthetic ...
becomes more vigorous and causes the However, at elevated formation of surface temperatures, oxides and/or hthyderHox2Oid/eGs,awNhiinchtecrfraecaitaelachneemgaitsitvrlyy charged surface and lead to greatly increased band bending. Our results indicate that the formation of oxides on a III-V ...
Functionalization of fullerene with 4-benzo-9-crown-3 ether Borazjani, Maryam KianiMoji, Hamid 131-136 Characterisation and microbial activity of neem oil nano-emulsions formulated by phase inversion temperature method Safaya, M.Nandwani, S.Rotliwala, Y. C. ...