Results 21 to 30 of about 124,176 (345)

Synthesis , characterization of some formazane derivatives and study their dyes stability and antibacterial activity [PDF]

open access: yesKirkuk Journal of Science, 2015
This research Includes the synthesis of some formazan derivatives from reaction of terephthaldehyd with Phenyl hydrazine through hydrazones (1) and ended with formazan derivatives as follows: Synthesis of hydrazon through reaction of terephthaldehyd
Fawzi H. Jumaa Al-obaidy   +1 more
doaj   +1 more source

Insulin-like Growth Factor 1 and Transforming Growth Factor-β Stimulate Cystine/Glutamate Exchange Activity in Dental Pulp Cells [PDF]

open access: yes, 2011
Introduction The growth factors insulin-like growth factor (IGF-1) and transforming growth factor-β (TGF-β) are protective to dental pulp cells in culture against the toxicity of the composite materials Durafill VS and Flow Line (Henry Schein Inc, New ...
Alyssa Furey   +39 more
core   +2 more sources

Environment-mediated structure, surface redox activity and reactivity of ceria nanoparticles [PDF]

open access: yes, 2013
Nanomaterials, with potential application as bio-medicinal agents, exploit the chemical properties of a solid, with the ability to be transported (like a molecule) to a variety of bodily compartments.
Asati   +40 more
core   +1 more source

Synthesis of 3-(phenylazo)-1,2,4-triazoles by a nucleophilic reaction of primary amines with 5-chloro-2,3-diphenyltetrazolium salt via mesoionic 2,3-diphenyltetrazolium-5-aminides

open access: yesBeilstein Journal of Organic Chemistry, 2009
The reactions of a 5-chloro-2,3-diphenyltetrazolium salt with amines have been examined. In the presence of an inorganic base such as NaHCO3, primary and secondary amines undergo a nucleophilic substitution to give the corresponding 5-aminotetrazolium ...
Shuki Araki   +4 more
doaj   +1 more source

Ionic Strength dependence of Formation Constants: Complexation of Cobalt(II) With thiazolyl blue formazan in a Non-Ionic Micellar Medium [PDF]

open access: yesشیمی کاربردی روز, 2010
This paper describes the complexation of cobalt(II) with thiazolyl blue formazan in a micellar medium at the pH range 3 to10, using Spectrophotometric techniques. The influences of pH and surfactant amount have been also tested.
Majid Amiri   +2 more
doaj   +1 more source

A Spectrophotometric Assay for Robust Viability Testing of Seed Batches Using 2,3,5-Triphenyl Tetrazolium Chloride: Using Hordeum vulgare L. as a Model

open access: yesFrontiers in Plant Science, 2017
A comparative analysis was carried out of published methods to assess seed viability using 2,3,5-triphenyltetrazolium chloride (TTC) based assays of seed batches. The tests were carried out on seeds of barley (Hordeum vulgare cv. Optic) as a model.
Laura Lopez Del Egido   +5 more
doaj   +1 more source

Syntheses of some new Formazan derivatives , derived frome isoniazid and study their biological activity [PDF]

open access: yesKirkuk Journal of Science, 2016
This research includes the preparation of a new series of formazan derivatives . In the beginning was prepared hydrazon derivatives through condensation izonzaid with compensators benzaldehyd different , then formazan derivatives were ...
Ali AB. Ali   +2 more
doaj   +1 more source

Quantitation of intracellular NAD(P)H can monitor an imbalance of DNA single strand break repair in base excision repair deficient cells in real time [PDF]

open access: yes, 2003
DNA single strand breaks (SSBs) are one of the most frequent DNA lesions in genomic DNA generated either by oxidative stress or during the base excision repair pathways.
Asakura, Shoji   +5 more
core   +3 more sources

Allosteric inhibition enhances the efficacy of ABL kinase inhibitors to target unmutated BCR-ABL and BCR-ABL-T315I [PDF]

open access: yes, 2012
Background: Chronic myelogenous leukemia (CML) and Philadelphia chromosome-positive (Ph+) acute lymphatic leukemia (Ph + ALL) are caused by the t(9;22), which fuses BCR to ABL resulting in deregulated ABL-tyrosine kinase activity.
Badura, Susanne   +8 more
core   +1 more source

Formazans and their metal complexes

open access: yesRussian Chemical Reviews, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Sigeikin, G. I.   +2 more
openaire   +2 more sources

Home - About - Disclaimer - Privacy