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Antitumor Activity and Reductive Stress by Platinum(II) N-Heterocyclic Carbenes based on Guanosine.
Chemistry
July 2023
Instituto de Tecnologia Química e Biológica António Xavier, Avd República, 2780-157, Oeiras, Portugal.
Platinum(II) complexes bearing N-heterocyclic carbenes based guanosine and caffeine have been synthesized by unassisted C-H oxidative addition, leading to the corresponding trans-hydride complexes. Platinum guanosine derivatives bearing triflate as counterion or bromide instead of hydride as co-ligand were also synthesized to facilitate correlation between structure and activity. The hydride compounds show high antiproliferative activity against all cell lines (TC-71, MV-4-11, U-937 and A-172).
View Article and Find Full Text PDFA new technique for incorporation of TiO nanotubes on a pre-sintered Y-TZP and its effect on bond strength as compared to conventional air-borne particle abrasion and silicatization TiO nanotubes application on pre-sintered Y-TZP.
Dent Mater
August 2022
Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru, Brazil. Electronic address:
Objective: This study evaluated the microshear bond strength of a resin cement to Y-TZP after different methods of TiO nanotubes (nTiO) incorporation on pre-sintered Y-TZP surfaces.
Methods: nTiO were synthesized and incorporated on Y-TZP slices as follows (n = 15): 1) nTiO mixed with isopropyl alcohol/manual application (MAl); 2) nTiO mixed with acetone/manual application (MAc); 3) nTiO mixed with isopropyl alcohol/high-pressure vacuum application (HPVAl); 4) nTiO mixed with acetone/high-pressure vacuum application (HPVAc). As controls, surfaces were sandblasted with AlO (OX) or Rocatec silicatization (ROC).
"Quick-Silver" from a Systematic Study of Highly Luminescent, Two-Coordinate, d Coinage Metal Complexes.
J Am Chem Soc
May 2019
Department of Chemistry , University of Southern California, Los Angeles , California 90089 , United States.
A systematic study is presented on the physical and photophysical properties of isoelectronic and isostructural Cu, Ag, and Au complexes with a common amide (N-carbazolyl) and two different carbene ligands (i.e., CAAC = (5 R,6 S)-2-(2,6-diisopropylphenyl)-6-isopropyl-3,3,9-trimethyl-2-azaspiro[4.
View Article and Find Full Text PDFImpact of donor arm cleaning with different aseptic solutions for prevention of contamination in blood bags.
Indian J Hematol Blood Transfus
March 2013
Surat Raktadan Kendra & Research Centre, 1st Floor, Khatodara Health Centre, Besides Chosath Joganiyo Mata's Temple, Udhana Magdalla Road, Khatodara, Surat, 394 210 India.
Transfusion associated sepsis cases are encountered occasionally and bacterial transmission remains the major cause. The goal of our study was to compare the efficacy of disinfectants in phlebotomy site preparation. After selection of donor the antecubital fossa area of the arm was disinfected with different types of disinfectants namely sprit (70% isopropyl alcohol), povidone iodine (0.
View Article and Find Full Text PDFEnzymatic synthesis of isopropyl myristate using immobilized lipase from Bacillus cereus MTCC 8372.
Acta Microbiol Immunol Hung
September 2008
Department of Biotechnology, Himachal Pradesh University, Summer-Hill, Shimla 171 005, India.
A purified alkaline thermo-tolerant bacterial lipase from Bacillus cereus MTCC 8372 was immobilized on a Poly (MAc-co-DMA-cl-MBAm) hydrogel. The hydrogel showed approximately 94% binding capacity for lipase. The immobilized lipase (2.
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