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Articles by M. Saidul Islam
Total Records ( 5 ) for M. Saidul Islam
  M. Saidul Islam , M. Akhter Farooque , M.A.K. Bodruddoza , M. Ashik Mosaddik and M. Shahidul Alam
  Mixed ligand transition metal complexes of Cu+2, Ni+2 and Co+2 ions with Schiff base ligands (SB-1 & SB-2) derived from the condensation of O-hydroxy benzaldehyde with amino phenols and nitrogen donor amine bases, e.g. ethylenediamine, 2-aminopyridine, O-Phenylenediamine or thiocyanate have been synthesized. Their conventional physical and chemical analyses have been done. Their anti-bacterial and anti-fungal activity have been evaluated including toxicological studies.
  M. Saidul Islam , M. Akhter Farooque , M.A.K. Bodruddoza , M. Ashik Mosaddik and M. Shahidul Alam
  Mixed ligand transition metal complexes of Cu+2, Ni+2 and Co+2 ions with Schiff base ligands (SB-1 and SB-2) derived from the condensation of o-hydroxybenzaldehyde with amino phenols and nitrogen donor amine bases, e.g. ethylenediamine, 2-aminopyridine, o-phenylenediamine or thiocyanate have been synthesized. Their conventional physical and chemical analysis had been done. Their anti-bacterial and anti-fungal activity had been evaluated including toxicological studies.
  Md. Yeamin Reza , Md. Belayet Hossain and M. Saidul Islam
  Mixed-ligand transition metal complexes of Pt (IV) ions were synthesized, where, Phthalic acid as a primary ligands and heterocylicamine bases as a secondary ligands have been used, respectively. Moreover, mixed-ligand transition metal complexes of Ni (II) ions were also synthesized by the same way, which, mentioned before except Ni(II)ions used instead of Pt (IV) ions. Their conventional physical and chemical analysis had been done. Their anti-bacterial and anti-fungal activity had been evaluated. Disc diffusion methods were employed for anti-microbial assays against fourteen pathogenic bacteria (five gram positive and nine gram negative) and fourteen fungi. The complexes containing 8-hyroxyquinoline as secondary ligand were much more microbial active than the other complexes. In addition, the complexes; [Pt(IV)(PA)(8-HQ)2] shows the highest anti-bacterial activity against all bacteria tested (When, PA = C8H4O4 and 8-HQ = C9H6NO)
  Chanmyia Sheikh , M. Shamim Hossain , Mst. Sabina Easmin , M. Saidul Islam , M. Aslam Hossain and Mamunur Rashid
  The aim of the present study was to investigate the biocidal activity of seven new chromium based coordination complexes [Cr(Pht)2 (Glycine)2, S1], [Cr(Pht)2 (Leucine)2, S2], [Cr(Pht)2 (Cystein)2, S3], [Cr(Pht)2 (Serine)2, S4], [Cr(Suc)2 (Leucine)2, S5], [Cr(Suc)2 (Cystein)2, S6] and [Cr(Suc)2 (Serine)2, S7] against Gram-positive and -negative bacteria, fungi and brine shrimp nauplii. The complexes S1, S3, S4, S6 showed good antibacterial activity at the concentration of 200 μg disc-1 and gave MIC values between 16-64 μg ml-1 against the tested bacteria. The complexes gave comparatively better antibacterial activity against the Gram-negatives. S2 did not show any remarkable antifungal activity but others showed good activity. The brine shrimp were hatched in artificial sea water and exposed to the complexes to determine mortality rate. LC50 values were calculated after probit transformation of the resulting data. All the complexes showed better cytotoxic effect but among them S1 and S3 having LC50 values of 3.31 and 3.63 μg ml-1 showed potent cytotoxic activity when compared with the reference standard Gallic acid whose LC50 values was 4.53 μg ml-1.
  Mahfuza Khan , M. Aftab Hossain and M. Saidul Islam
  Neem leaf dust and a commercial formulation of neem were tested on adult Bactrocera cucurbitae (Coquillett) and Bactrocera dorsalis (Hendel) to determine their effects on the longevity, fecundity and ovarian development. Different combinations of neem leaf dust and a commercial formulation of a neem compound incorporated with sugar solution and adult rearing diets were tested. The Laboratory tests showed that ingestion of neem can significantly reduced the longevity and fertility of both the fly species. Significantly fewer pupae were collected from adults fed on laboratory rearing diet and nimbicidine as water source. Effect of neem treatment on the pupation and subsequent adult emergence of late-instar larvae was negligible. Microscopic observation indicated that the decreased fecundity was due to the block of ovarian development. Experimental results confirmed that neem can be effectively used as a safe alternative insecticide for the control of Bactrocera species.
 
 
 
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