Azaneylylidene-based tetradentate Schiff base as a new "ON-OFF" fluorescent probe for the detection of Cu(II) ion: Synthesis, characterization and real sample analysis.

Herein we describe the synthesis of Cu sensor, 2,2'-((1E,1'E)-((4-chloro-1,2-phenylene)bis(azaneylylidene))bis(methane-ylylidene))bis(4-bromophenol) (CPMB) and characterization using various spectral and analytical techniques. CPMB exhibited high selectivity towards Cu ions via fluorescence quenching mechanism, which combined the character of high selectivity towards Cu assay even in the presence of other common metal ions such as Cu, Al, Co, Ni, Mn, Zn Pb Cd, Fe, Hg, Mg and Fe (30 μM) ethanol-water (1:9 v/v) system. Upon the addition of the solution of Cu ions to CPMB, the complexation of Cu with CPMB leads to the immediate formation of light green color, indicating that CPMB can act as simple colorimetric sensor, particularly for Cu in the presence of most interfering metal ions in ethanol-water medium.

Novel Benzimidazole Derived Imine Ligand and Its Co(III) and Cu(II) Complexes as Anticancer Agents: Chemical Synthesis, DFT Studies, In Vitro and In Vivo Biological Investigations.

The emerging interest in the field of coordination chemistry and their biological applications has created a novel impact in the field of chemical biology. With this motivation, in this work we have synthesized a novel benzimidazole derived imine ligand, 2-((E)-((1H-benzo[d]-2-yl)methylimino)methyl)-4-fluorophenol () and its Co(III) and Cu(II) complexes. The metal complexes (-) were synthesized in 2:1 (: metal ion) and 1:1:1 (: metal ion: 1,10-phen) ratios.

A Comparative Study of Collagen Dressing versus Petrolatum Gauze Dressing in reducing Pain at the Donor Area.

Background: Skin graft is one of the commonly done procedures by plastic surgeons, dermato surgeons and general surgeons. Pain at the donor area is a common complaint by the patient. The skin graft donor site area is usually covered with petrolatum dressing dermatosurgeons.

Diorganotin(IV) complexes of biologically potent 4(3H)-quinazolinone derived Schiff bases: synthesis, spectroscopic characterization, DNA interaction studies and antimicrobial activity.

Four Schiff base ligands and their corresponding organotin(IV) complexes have been synthesized and characterized by elemental analyses, IR, (1)H NMR, MS and thermal studies. The Schiff bases are obtained by the condensation of 3-amino-2-methyl-4(3H)-quinazolinone with different substituted aldehydes. The elemental analysis data suggest the stoichiometry to be 1:1 ratio formation.

Finite element analysis of a three unit fixed partial denture cast with nickel-chromium alloy.

A two dimensional mathematical model was generated, representing a three unit fixed-fixed partial denture and its supporting structures. Second premolar and second molar were used as abutments with first molar as pontic. A load of 1 kg was applied to the occlusal surface of the casting.

Biogas (natural gas?) production by anaerobic digestion of oil cake by a mixed culture isolated from cow dung.

Starting with cow dung, a mixed culture capable of producing biogas by the anaerobic digestion of castor cake (oil expelled) has been isolated and stabilized. The biogas so produced contains small quantities of ethane, propane and butane in addition to methane and carbon dioxide which are the major constituents. This suggests that the mixed culture contains organisms hitherto unisolated and unidentified which are capable of synthesizing these hydrocarbons through the mediation of the alkyl derivatives of coenzyme M.