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Anaerobic Reactor; Fixed Bed Fixed Film Reactor, Biomedical Wastewater; Chemical Oxygen Demand (COD); Organic Loading Rate; and Detention Time.

Volume 17, Number 2

Md. Tofazzal H. Tarafder1*, Karen A. Crouse1, N. Saravanan2,

1Department of Chemistry,University Putra Malaysia, 43400 Serdang, Selangor (Malaysia) 2Department of Biotechnology University Putra Malaysia, 43400 Serdang, Selangor (Malaysia)

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ABSTRACT:

Several novel complexes were isolated from the reaction of lanthanide ions with the solutions of a tridenate ONS Schiff base of S-benzyldithiocarbazate (SBDTC) with salicylaldehyde. The complexes have the compositions, [La(ONS)NO32H2O], [Ce(ONS)(NO3)2] and [Th(ONS)2]. The metal complexes were found to have very weak activity against colon cancer cells with CD50 values of 27.5, 28.4 and 19.3μg cm-3. The La(III) metal complex was found to be moderately active against leukemic cells with a CD50 value of 6.8μcm-3.

KEYWORDS:

S-benzyldithiocarbazate; cytotoxic; lanthanide; actinide; bioactivity

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Tarafder M. T. H, Crouse. K. A, Saravanan N. Anaerobic Reactor; Fixed Bed Fixed Film Reactor, Biomedical Wastewater; Chemical Oxygen Demand (COD); Organic Loading Rate; and Detention Time.. Orient J Chem 2001;17(2).

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Tarafder M. T. H, Crouse. K. A, Saravanan N. Anaerobic Reactor; Fixed Bed Fixed Film Reactor, Biomedical Wastewater; Chemical Oxygen Demand (COD); Organic Loading Rate; and Detention Time.. Orient J Chem 2001;17(2). Available from: http://www.orientjchem.org/?p=16108

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