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ORE at CSIR-Institute of Minerals and Materials Technology: Recent submissions

Now showing items 2701-2710 of 3828

Quantitative evaluation of anticancer marker levels of an Ayurvedic preparation, "Virala"

Mallavadhani, U.V.; Satyanarayana, K.V.; Mahapatra, A. (Pharmaceutical Biology, 42(4-5), 2004: 338-341)

Virala (Diospyros tomentosa Roxb.), an important Ayurvedic preparation, was chemically screened and found to accumulate significant levels of the anticancer markers betulin and betulinic acid. In order to identify the high ...
Antimicrobial activity of some pentacyclic Triterpenes and their synthesized 3-O-lipophilic chains

Mallavadhani, U.V.; Mahapatra, A.; Jamil, K.; Reddy, P.S. (Biological & Pharmaceutical Bulletin, 27(10), 2004: 1576-1579)

The major metabolites of Diopsyros melanoxylon viz. amyrins and ursolic acid and their lipophilic 3-O-fatty acid ester chains (C-12-C-18), which are synthesized now under mild esterification conditions in excellent yields ...
A general approach for the microwave-assisted regeneration of carbonyl compounds from their nitrogenous derivatives

Das, N.B.; Nayak, A.; Nanda, B. (Journal Of Chemical Research-S, (10), 2004: 712-713)

A variety of nitrogenous derivatives of carbonyl compounds are rapidly converted into the corresponding carbonyl compounds in good yields using stannous chloride - silica gel under microwave irradiation.
A new tetracyclic triterpene from the latex of Euphorbia nerifolia

Mallavadhani, U.V.; Satyanarayana, K.V.S.; Mahapatra, A.; Sudhakar, A.V.S. (Natural Product Research, 18(1), 2004: 33-37)

A new tetracyclic triterpene 9,19-cyclolanost-22(22'), 24-diene-3beta-ol, named as nerifoliene (2) along with euphol (1) were isolated from the fresh latex of Euphorbia nerifolia. Their structures were elucidated on the ...
Thermal decomposition of precipitated fine aluminium trihydroxide

Bhattacharya, I.N.; Das, S.C.; Mukherjee, P.S.; Paul, S.; Mitra, P.K. (Scandinavian Journal Of Metallurgy, 33(4), 2004: 211-219)

Fine (1.5 mum) aluminium trihydroxide (ATH), prepared from Bayer liquor, was subjected to dehydration at various temperatures up to 1400degreesC. The fine ATH was found to be gibbsitic in nature. XRD data indicated the ...
Review biodepyritisation of coal

Acharya, C.; Sukla, L.B.; Misra, V.N. (Journal Of Chemical Technology And Biotechnology, 79(1), 2004: 1-12)

This review provides a detailed summary of the recent and past research activities in the area of biodesulfurisation of coal. It provides information about microorganisms important for biodesulfurisation of coal, with the ...
Comparison between techniques based on charge characterisation and capillary suction time for assessing the dispersion characteristics of concentrated slurry

Singh, B.P.; Bhattacharjee, S.; Besra, L.; Sengupta, D.K. (Journal Of Materials Science, 39(7), 2004: 2437-2442)

Achieving a stable dispersion with high solid loading is pre-requisite in many conventional/emerging ceramic forming processes. Hence, assessing the quality of dispersion is one of the critical aspects to be considered ...
Iron, and manganese doped SO42-/ZrO2-TiO2 mixed oxide catalysts: studies on acidity and benzene isopropylation activity

Das, D.; Mishra, H.K.; Dalai, A.K.; Parida, K.M. (Catalysis Letters, 93(3-4), 2004: 185-193)

Sulfated zirconia-titania and its transition metal doped compositions with 1.5 wt% iron, and 0.5 wt% manganese were prepared and characterized for surface acidity, and activity towards benzene alkylation. Acidity measurement ...
Thermal study of segregation roasting of pure nickel sulphate

Kar, B.B.; Datta, P.; Misra, V.N. (Transactions Of The Institution Of Mining And Metallurgy Section C-Mineral Processing And Extractive Metallurgy, 113(2), 2004: 118-120)

Thermal studies were performed on the segregation roasting of pure nickel sulphate. The reaction path was found to be the same as for oxide segregation, although some deviation was observed during product,formation, where ...
In situ deposition of multiphase carbon composite coating on sic grains through thermal plasma dissociation of SiC

Nayak, B.B. (Surface Engineering, 20(2), 2004: 139-142)

A multiphase carbon coating was deposited on silicon carbide grains in situ by dissociation of the carbide in an inert gas plasma produced by a carbon arc. Characterisation of the composite coating by X-ray diffraction, ...

Now showing items 2701-2710 of 3828

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