Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
Fluorogenic chemosensors using pyridoxal derivatized ligands as fluorophore is a rapidly growing field of research. Here we report a new Fe(III) complex, [Fe(HBala-pydx)(Bala-pydx)] (HBala-pydx is the Schiff base of pyridoxal with beta-alanine), which can serve as a sensitive and selective turn-on fluorescent sensor for the detection of cyanide(CN) in micromolar concentrations (L.O.D. is 1.134 µM), via the ligand displacement approach, in aqueous-acetonitrile medium. The Fe(III) complex is adequately characterized by analytical and spectroscopic methods along with X-ray crystal structure determination.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1016/j.saa.2022.120943 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Multimodal Therapeutic Approach Using Donor-Engineered AIE Photosensitizer to Combat Multifaceted Aspects of Alzheimer's Disease.
Small
September 2025
Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, Assam, 781039, India.
Alzheimer's disease (AD) is a progressive neurodegenerative disorder marked by cognitive decline and the accumulation of amyloid-β (Aβ) plaques, with current treatments offering only limited efficacy. Targeted photo-oxygenation of Aβ using small-molecule photosensitizers has emerged as a promising strategy to modulate amyloid aggregation and mitigate associated toxicity. In this work, the rational design and synthesis of donor-engineered, benzimidazole-functionalized aggregation-induced emission (AIE) photosensitizer with optimized photophysical and morphological properties for multimodal theranostic applications in AD is analyzed and reported.
View Article and Find Full Text PDFInvestigation of protonation induced metal-to-metal electron transfer in a cyano-bridged Mn-Fe dinuclear complex.
Dalton Trans
September 2025
Department of Chemical Sciences, Tezpur University, Napaam 784028, Sonitpur, Assam, India.
Reaction of [Mn(salophen)Cl] {salophen = -phenylenediamine bis(salicylidenaminato)} with a tricyano Fe(III) precursor complex, [Fe(bbp)(CN)] {Hbbp = bis(2-benzimidazolyl)pyridine}, affords a dinuclear cyano-bridged heterometallic Mn-(μ-NC)-Fe fragment in the complex salt [Mn(salophen)(HO)][Mn(salophen)(HO)(μ-NC)Fe(bbp)(CN)]·4HO (1). The title compound shows field-induced slow relaxation of magnetization below 2.8 K.
View Article and Find Full Text PDFA role for Dps ferritin activity in long-term survival of .
Microbiol Spectr
September 2025
Department of Biological Sciences, Molecular and Computational Biology Section, University of Southern California, Los Angeles, California, USA.
expresses three ferritins that store acquired iron by oxidizing soluble Fe(II) to insoluble Fe(III), which can accumulate and later be utilized in cellular processes. Although bacterioferritin (Bfr) and ferritin (FtnA) sequester more Fe(III) atoms per multimeric complex, the abundance of the DNA-binding protein from starved cells (Dps), coupled with its preference for hydrogen peroxide as an oxidant in its ferroxidase activity, makes it a fundamental component in iron homeostasis and long-term stationary phase (LTSP) survival. To investigate the temporal role and mechanisms of action of Dps in parallel with the other ferritins, growth yield, survival, competitive fitness, and siderophore assays were performed under different conditions of iron availability.
View Article and Find Full Text PDFLoss of chromium(III) from mixed Cr(III),Fe(III) serum Transferrins.
J Inorg Biochem
December 2025
Department of Chemistry, The University of Alabama, Tuscaloosa, AL 35487-0336, USA. Electronic address:
Trivalent chromium has been shown to be transported in vivo from the bloodstream to the tissues via endocytosis by transferrin (Tf), the major iron transport protein in the blood. Recent in vitro studies using Cr(III)-Tf have shown that under physiologically relevant conditions, the binding of Cr(III) to Tf and the loss of Cr(III) from the Cr(III)-Tf/Tf receptor complex are rapid. However, the major form of transferrin in the bloodstream is monoferric Tf.
View Article and Find Full Text PDFInvestigating the Synergistic Influence of Redox-Inactive Metal Ions at the Secondary Coordination Sphere of Non-Heme Iron Complexes on Oxygen Reduction Reaction.
Chem Asian J
August 2025
Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
The secondary coordination sphere (SCS) around the substrate binding site of a catalyst, such as a proton relay, formation of a hydrogen bonding network, and electrostatic effects, plays a critical role in controlling the selectivity and rate of oxygen reduction reaction (ORR). Herein, we report the ORR study of a series of Fe complexes having a uniform primary coordination sphere and an unlike SCS. The Fe(III) complex, lacking any secondary coordination sphere (SCS) modifications, exhibited slow oxygen reduction reaction (ORR) kinetics in the presence of decamethylferrocene (Fc) and trifluoroacetic acid (TFAH) in oxygen-saturated acetonitrile.
View Article and Find Full Text PDF