Salt Hexahydrate Research Articles

Preparation of eco-friendly biopolymer electrolyte, K-carrageenan with zinc nitrate hexahydrate salt, for application in electrochemical devices

Preparation of eco-friendly biopolymer electrolyte, K-carrageenan with zinc nitrate hexahydrate salt, for application in electrochemical devices

Ytterbium-doping effect on the electrochemical and piezoelectric properties of poly(vinylidene fluoride) films

The optimal molar ratio of poly(vinylidene fluoride) (PVDF): dimethyl sulfoxide (DMSO) was investigated that promoted the β-phase formation, used during the PVDF film synthesis. The solution cast method was used for doping the PVDF films with ytterbium (III) nitrate salt hexahydrate. In general, Yb-doping in PVDF films improves thermal resistance, promotes β-phase formation, modifies the monomer conformation, reduces reversibility to electrochemical processes, and increases the d33 coefficient of piezoelectricity. The β-phase formation caused by Yb-doping alters the internal structures of the trans-gauche-trans-gauche’ (TGTG’) and all-trans (TTTT) chains inside the polymeric network. The coexistence between the trans-gauche and all-trans structures provides in both films the α-phase and β-phase coexistence. The presence of self-polarized CH2-CF2 dipoles, where the concentration of fluorine remains the same and the CH2 drastically increases after Yb3+ incorporation. The quasi-reversible shape shown in both voltammetry cyclic curves is related to irreversible oxidation and reduction reactions. Yb-PVDF exhibits specific pseudocapacitance values that are 30% higher than those of the PVDF films. Finally, the piezoelectric properties were improved with ytterbium incorporation.

Terminalia catappa Leaf Extract as a Capping Agent for ZnO Nanoparticle Synthesis via Sol-gel Method and its Microbial Effects on Selected Fungi and Bacterial

This study presents a reliable process for synthesizing ZnO nanoparticles using a green method. In this approach, we harness Terminalia catappa leaf extract as an effective chelating and capping agent to synthesize ZnO nanoparticles from zinc nitrate hexahydrate salt through a sol-gel method, employing Response Surface Methodology (RSM) and its microbial assessment. Optical properties of the ZnO nanoparticles were investigated using UV-visible spectroscopy, and determined their band-gap to range between 4.13 and 5.175 eV. To explore the outcomes, Response Surface Methodology (RSM), was employed which revealed that the Model F-value of 2.62 signifies the significance of the model for the response. Furthermore, when examining the contour plot relating the inhibition zone to temperature and plant extract dosage, we found that an increase in dosage and decrease in temperature resulted in an increase in the bandgap. This method of biosynthesizing zinc oxide nanoparticles through Terminalia catappa leaf extract offers effect against the bactieria and fungi such as; Escherichia -coli, Straphylococcus aureus, Pseudomonas aeuginosa and Trichophyton rubrum, Penicillium marnaffei, Atteneria spp respectively. Therefore, ZnO nanoparticles though this route gives an eco-friendly and more straightforward alternative to chemical and physical synthesis techniques for various environmental applications.

Synthesis and characterization of nickel oxide nanoparticles and their effect on seed germination of Vigna radiata

Nickel oxide (NiO) nanoparticles, using chemical reduction method, have been synthesized by the reaction of nickel chloride hexahydrate (NiCl2.6H2O) salt with triethylamine (Et3N) as a reducing agent at 700C and thermal decomposition of the precursor nickel hydroxide Ni(OH)2 nanoparticles from 3000C to 6000C at an increment of 1000C. The product was characterized by using X-Ray diffraction (sharp picks at 280,380,600), Scanning electron microscopy (average particle ranges between 1-100), UV-Vis spectrophotometer (absorption band at 320-350 nm), Fourier transform infrared spectroscopy (strong band at 750 cm-1), Energy dispersive X- ray spectroscopy (% weight of NiONPs is 12.73) analysis etc. The synthesized nanoparticles and nickel salt have been investigated for biophysical parameters like germination percentage, radical length (RL), Plumule length (PL) and seedling vigor index (SVI) on Vigna seed germination. The seeds treated with lower concentration show enhancement in germination% and SVI.

Binary glycerol-based deep eutectic solvents containing zinc nitrate hexahydrate salt for rechargeable zinc air batteries applications with enhanced properties

Deep eutectic solvents (DESs) have attracted interest due to their unique and favorable electrochemical characteristics. This study reported a novel binary glycerol-zinc salt deep eutectic solvents were prepared with a combination of hydrogen bond donor (glycerol (Gly)) and hydrogen bond acceptor (Zinc nitrate hexahydrate (ZNH)) at different molar ratios of 1:2, 1:3, 1:4, 1:5, and 1:6. The various physicochemical properties including viscosity, refractivity index, conductivity, thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FTIR), cyclic voltammetry (CV) and electrochemical impedance (EIS) were measured. The results showed that among the various combinations tested, DES 1:2 resulted in a low viscosity value of 690, 500, 310, 220, and 160 mPa (mPa s) at shear rate (S−1) values of 20, 30, 60, 100, and 200 respectively. Moreover, DES 1:2 resulted in more electrochemically stable solvents with a lower refractive index value of 1.446, and a higher conductivity (σ) of 4.41 mS/cm. The findings found disclose the features, nature and of properties of prepared DESs as a potential solvents for different electrochemical storage applications.

Synergistic effect-triggered fluorescence quenching enables rapid and sensitive detection of alkaline phosphatase

The development of biosensors mediated by synergistic quenching effect is of great significance for rapid and accurate clinical diagnosis. Hence, we prepared a cyan-emitting fluorescent Si dots for alkaline phosphatase (ALP) detection through the synergistic quenching effect of inner filter effect (IFE) and photo-induced electron transfer (PET). Si dots were prepared by microwave-assisted method, which displayed high quantum yield (28.7%), as well as good physiochemical properties, such as photo-stability, pH stability, and chemical stability. As the hydrolysate of 4-nitrophenyl phosphate disodium salt hexahydrate catalyzed by ALP, both IFE and PET of 4-nitrophenyl to Si dots were used for the turn-off mode detection of ALP. The linear relationships were established between the change of fluorescence intensity and ALP concentration in the range of 0.05 U L−1 to 5.0 U L-1, and 5.0 U L−1 to 80.0 U L−1, respectively. The detection limit was 0.01 U L−1. The synergistic quenching effect caused the turn-off mode detection to be more sensitive, and it can also be used for the accurate detection of ALP in human serum, thereby showing great anti-interference ability in complex environments.

Ailanthus altissima leaf extract mediated green production of zinc oxide (ZnO) nanoparticles for antibacterial and antioxidant activity

BackgroundFabricating zinc oxide nanoparticles (ZnO-NPs) from plant extracts is a cost-effective, safe, and environmentally friendly alternative to established chemical procedures. This study was aimed at the environmentally friendly fabrication of ZnO-NPs from plant extract. An additional objective was to investigate the antibacterial and antioxidant activity of these biosynthesized ZnO-NPs. MethodsZnO-NPs were fabricated using the leaf extract of Ailanthus altissima, as an eco-friendly approach. The physicochemical properties of ZnO-NPs were explored using UV–visible spectroscopy, scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectrometry. The bio-fabricated ZnO-NPs were examined for bactericidal activity against pathogenic bacteria (gram-negative and gram-positive) using the agar well diffusion technique. The antioxidant efficiency of ZnO-NPs was assessed using a DPPH assay. ResultsA surface Plasmon peak was recorded at 327 nm, showing the existence of ZnO-NPs in the reaction solution of plant extract and zinc sulfate hexahydrate salt. These nanoparticles were predominantly spherical and capped by different functional groups of biomolecules. Furthermore, ZnO-NPs showed a dose-dependent antibacterial and antioxidant activity. At 20 mg/mL ZnO-NPs, the maximum bactericidal potential of ZnO-NPs was reported against Staphylococcus aureus (201.2 mm). ZnO-NPs have an IC50 value of 78.23 µg/mL, indicating that they are an effective antioxidant. ConclusionThis research presents an environmentally acceptable method for producing spherical ZnO-NPs with high antibacterial and antioxidant activities. These bio-fabricated ZnO-NPs could be a good option for applications in medicine and the healthcare industry.

Highly Efficient Mesoporous Carbonaceous CeO2 Catalyst for Dephosphorylation.

Phosphorus is fast becoming a critical element, as the global supply and demand are reaching unsustainable levels. Herein, the synthesis, characterization, and applicability of a novel biomass-derived mesoporous carbonaceous material decorated with CeO2 (CeO2-S400) as an efficient catalyst for the dephosphorylation of 4-nitrophenyl phosphate disodium salt hexahydrate are reported. The presence and distribution of CeO2 are evidenced by inductively coupled plasma mass spectrometry (ICP-MS) (118.7 mg/g), high-resolution transmission electron microscopy (HRTEM), and energy dispersive X-ray (EDX) mapping. The apparent rate constant for the efficient catalysis of 4-nitrophenyl phosphate disodium salt hexahydrate was 0.097 ± 0.01 for CeO2-ES and 0.15 ± 0.03 min–1 for CeO2-S400, which followed first-order kinetics. Rate constants normalized by the catalytic loading (km) were 80.84 and 15.00 g–1 min–1 for CeO2-ES and CeO2-S400, respectively, and the normalized rate constants with respect to surface area were 3.38 and 0.04 m–2 min–1 for CeO2-ES and CeO2-S400, respectively. This indicates that the presence of CeO2 nanoparticles has a catalytic effect on the dephosphorylation reaction.

Improving the cooling performance of the straight finned heat sink (SHS) for computer processor using an inorganic PCM

The current laboratory investigationpresents the heat dissipating capabilityof Calcium Chloride Hexahydrate (CaCl2·6H2O) salt inorganicPCM (IPCM) based heat dissipatingarrangement for the thermal regulationof the digital devices likecomputer processors. During the course of the inquiry, a straight finned heat sink (also known as a SHS) was incorporated into the planned IPCM. The IPCM-based SHS thermal regulationmethod is an example of the indirect heat dissipatingtechnology that can do away with the need for the blower-integratedtraditional thermal managementmethods. In order to simulate the thermal radiationthat would be produced by a computer processor, a flat-plate heating element has beenutilized. For a given weight percent of IPCM, two distinct SHS configurations, namelySHS without IPCM (SHS-Plain) and SHS with IPCM (SHS-IPCM), have been investigated. The experiments were carried out at three different energy densities: 1.2 kW/m2, 1.8 kW/m2, and 2.4 kW/m2. After that, the heat transfer characterof the various configurations of SHS has been examined for a pre-set target temperature of 75 °C at theaforementionedpower intensities. The findings revealed that the incorporation of the IPCM with the SHS outperformed in minimizing the heating time of the SHS, which proves the capacity of the IPCM in reducing the temperature of the thermal load on the computer chips.[copyright information to be updated in production process]

Field-Induced SMM and Vis/NIR Luminescence on Mononuclear Lanthanide Complexes with 9-Anthracenecarboxylate and 2,2′:6,2″-Terpyridine

Five new mononuclear lanthanide complexes are synthesized by adding the several lanthanide nitrate hexahydrate salts, which for lanthanide (Ln) are Eu, Tb, Dy, Er, and Yb, with 9-anthracenecarboxylic acid (9-Hanthc) and 2,2′:6,2″-terpyridine (TPY) in mixed solution of methanol and dimethylformamide (DMF). The general formula is [Eu(9-anthc)3(TPY)(DMF)]·H2O (1Eu) where Eu(III) is ennea-coordinated or [Ln(9-anthc)3(TPY)(H2O)]·H2O·DMF (Ln = Tb (2Tb), Dy (3Dy), Er (4Er), and Yb (5Yb)) where Ln(III) is octa-coordinated. For compounds 3Dy, 4Er, and 5Yb, the dynamic ac magnetic study indicated field-induced single molecule magnet (SMM) behavior. The photoluminescence studies in the solid state of these complexes show the sensitization of 4f-4f transitions for 4Er and 5Yb in the NIR region.

Macrocyclic Complexes Derived from 2,6‐Diformyl‐4‐X‐phenol: Substituent Effects and Phosphate Hydrolysis Activity

AbstractTwo 20‐membered macrocyclic complexes, [Cu2L1(ClO4)2] (1) and [Ni2L2(ClO4)2(H2O)2][Cu2L2(H2O)2](ClO4)2 (2) (where H2L1 and H2L2 are the condensation products of ɑ, ω‐amine with 3,3′‐((propane‐1,3‐diylbis(azanylylidene)) bis(methanylylidene))bis(5‐X‐2‐hydroxybenzaldehyde)), have been synthesized and characterized by X‐ray diffractions single crystal structure analysis. The results indicated that the structures of two complexes are symmetrical. In complex 1, the geometry around each copper(II) center is a slightly distorted square pyramidal with structural index parameter τ=0.062 for Cu1 and 0.067 for Cu2, the distance between Cu1 and Cu2 is 3.1075 Å. Complex 2 contains two similar macrocyclic units (A and B), the metal‐metal distances in A and B are 3.0760 and 3.0922 Å, respectively. The interaction between the complexes and calf thymus (CT‐DNA) were investigated by spectroscopic method. The phosphate hydrolysis activities of the complexes were examined using 4‐nitrophenyl phosphate disodium salt hexahydrate (pNPP) as the substrate. The corresponding catalytic rate constant (kcat) at pH 7.2 are 2.14×10−5 and 2.85×10−5 s−1, respectively, 104 times faster than the spontaneous hydrolysis of phosphate monoester.

Improved sensitive fluorescent/visible dual detection count plate for mold and yeast in food

An improved sensitive fluorescent/visible dual detection count plate for mold and yeast was designed to improve the mold and yeast detection efficiency and guarantee food security. The effect of substrate, co-solvent and nonionic surfactant on mold and yeast count plate detection performance was investigated. LAP/lipase as extracellular dual-enzyme system hydrolyzed 0.2 mg/mL of 5-bromo-4-chloro-3-indolyl phosphate disodium salt and 4-nitrophenyl phosphate disodium salt hexahydrate and released chromophores p-nitrophenol, and dehydroindigo dimer to chromogenic colony. Detection was achieved by recording the chromogenic mold and yeast colony-forming units (CFU). Moreover, 4 μL/mL of co-solvent water-ethanol was used as fluorescent sensitizer for colonies, while 0.1% Tween-20 (w/v), 0.1% Tween-80 (w/v) and 0.1% TritonX-100 (w/v) facilitated growth rate and obvious expression of extracellular dual enzyme system LAP/lipase. Counting results of the fluorescent/visible count plate (34 h) have not significantly different from the national standard GB 4789.15–2016 agar plate (5 days) (P > 0.05). Results of fluorescent/visible count plate for the detection of mold and yeast in actual food samples were 97.5% and 98.6% in accordance with the results of the national standard method. This work provided a convenient, rapid, and sensitive detection of mold and yeast.

Synthesis of nickel boride and investigation of availability as an additive in the molten carbonate fuel cell anode material

Molten carbonate fuel cells are notable as clean energy systems and do not need pure hydrogen as fuel, and can use natural gas and hydrocarbons. Nickel boride is used as catalysts for hydrogenation reactions, because of its high micro-hardness, chemical and thermal stability, selectivity and activity for liquid phase reactions. In this study, the positive effect of nickel boride as an additive in the anode material was investigated. Nickel boride was synthesised by chemical reduction with solvo-thermal route. Reduction reaction of nickel chloride hexahydrate salt with sodium borohydride was performed for the nickel boride synthesis. Anode green sheets were prepared using the nickel boride additive with different rates (0%, 1%, 2% and 3%) by tape casting. Green sheets were subjected to sintering operation to get anode sheets. As a result of SEM analysis, increasing the nickel boride additive in the slurry caused to decrease in particle size and more homogeneous dispersion of the particles.

Significantly high electromagnetic shielding effectiveness in polypyrrole synthesized by eco‐friendly and cost‐effective technique

AbstractA facile and eco‐friendly synthesis of polypyrrole from monomer pyrrole using nominal amount of ferric chloride hexahydrate (FeCl3.6H2O) oxidant in aqueous solution by chemically oxidative polymerization method has been reported. The use of aqueous solvent and ferric chloride hexahydrate salt in polypyrrole synthesis have an eco‐friendly route favorable for the production of polypyrrole in large quantities. The synthesized polypyrrole samples exhibit good electrical conductivity (2 S/cm) and yield of 80% for reaction time of 8 hr at 5°C. Quality and properties of polypyrrole samples have been thoroughly investigated with varying reaction time and temperature while other synthesis parameters like molar ratio of oxidant to monomer, oxidant concentration, and solvent were kept constant. X‐ray diffraction analysis of polypyrrole with a shorter reaction time shows the presence of iron oxide (Fe2O3) peaks. The complete reaction may not occur at shorter reaction times due to which residual ferric ions converted into Fe2O3. X‐ray photoelectron spectroscopy measurement of polypyrrole also confirms the formation of Fe2O3. Appropriate selection of reaction time and temperature produced pure phase polypyrrole with high yield and good conductivity. Synthesized polypyrrole by our eco‐friendly and cost‐effective technique exhibits prominent electromagnetic shielding effectiveness value of 30 dB in the X‐band (8–12 GHz).

Green synthesis and characterization of zinc oxide nanoparticles using Eucalyptus globulus Labill. leaf extract and zinc nitrate hexahydrate salt

This study consists of a reliable process for synthesizing ZnO NPs by green method. Here, Eucalyptus globulus Labill. leaf extract is utilized as an efficient chelating and capping agent for synthesizing ZnO NPs from zinc nitrate hexahydrate salt. The plant ingredients, structure, morphology, thermal behavior, chemical composition and optical properties of ZnO nanoparticles were investigated using several characterization techniques, namely XRD, FE-SEM, EDX, BET, Zeta potential, DLS, differential scanning calorimetry (DSC) analysis, FT-IR analysis and UV–Vis spectroscopy. The UV–Vis and FTIR analysis of Eucalyptus globulus leaf extract verified that this extract is a promising candidate for biosynthesizing ZnO NPs. The XRD spectrum, DLS and the SEM images confirmed the crystallinity and the spherical-shape of the ZnO NPs with an average size between 27 and 35 nm. The band-gap of the ZnO were measured to be around 2.67 eV. Zeta potential and BET analysis showed that, the biosynthesized ZnO NPs possess good stability and the their specific surface area is 23.481 m2/g. DSC analysis exhibits two endothermic peaks related to the water evaporation absorbed by the NPs and modification of zinc complex to zinc hydroxide, with a single exothermic peak related to the crystallization of ZnO NPs and degradation of organic materials.

Synthesis, crystal structure, phosphate hydrolysis activity and antibacterial activity of macrocyclic dinuclear Zn(II) complex with benzyl pendant-arms

A new macrocyclic dinuclear Zn(II) complex is synthesized by the cyclocondensation between 3,3’-(ethane-1,2-diylbis (benzylazanediyl))bis(methylene) bis (2-hydroxy-5-methyl-benzaldehyde) and 1,3-diaminopropane and the subsequent with zinc salts. The as-prepared complex is characterized by elemental analysis, FT-IR, ES-MS and single crystal X-ray diffraction. The complex consists of one independent molecular unit of [Zn2(μ-OAC)L]+ ClO4− and two water molecules with one on a symmetry element. Four of these units collectively form two pairs of dinuclear complex units of [Zn2(μ-OAc)L]+ with one unit sharing two perchlorate ions and one water molecule and the other unit sharing two perchlorate ions and one symmetry equivalent water molecule. Each zinc(II) ion exhibits a slightly distorted square pyramidal geometry. Two Zn atoms are bridged by two oxygen atoms of an acetate anion and two phenolic O atoms. The Zn–Zn distance is 2.951 Å. An ordered two-dimensional network is formed by weak intermolecular interactions in the crystal structure of the complex. The phosphate ester hydrolysis activity and the antibacterial activity of the complex are studied. The results showed that the synthesized complex has an efficient catalytic activity of phosphoester bond cleavage and the potential to inhibit the growth of E. coli. The optimum catalytic rate constant (kcat) at pH 7.8 for the hydrolysis of 4-nitrophenyl phosphate disodium salt hexahydrate (pNPP) by the synthesized complex is 2.98 × 10−4 s−1, and 105 times faster than that the spontaneous hydrolysis of the phosphate monoester.

Preparation and characterization of flexible PVDF-HFP film for piezoelectric applications

We report on the preparation of electroactive β-phase in polyvinylidene fluoride hexafluoropropylene (PVDF-HFP) without any electrical poling treatment. The PVDF-HFP film with various mass fractions (wt%) of magnesium chloride hexahydrate salt (MgCh∼6H2O) was fabricated by a solution casting technique. The morphological, mechanical, structural and dielectric properties were investigated. Results founded that the PVDF-HFP composite films show a large number of micro-pores on the top surface as a sponge-like structure. The Young’s modulus and crystallinity values tend to be linearly decreased with the MgCh2⋗6H2O concentration leading to enhance flexibility. The largest β-phase fraction of 87.2% is found in the composite with 1 wt% MgCh2⋗6H2O filler. The obtained value is 4 times higher than the value of unfilled PVDF-HFP. Moreover, the maximum value of dielectric constant is about 19.2 at 10 Hz for 4 wt% MgCh2⋗6H2O filler. Therefore, the modified composites with the excellent flexibility, dielectric constant and β-phase may be a promising material for applications in the field of piezoelectric energy conversion.

The Influence of Various Reactants in the Growth Solution on the Morphological and Structural Properties of ZnO Nanorods

In the current work, the effect of three different Zinc (Zn) salts as reactants precursors in the growth solution on the characteristic properties of the Zinc oxide (ZnO) nanorods (NRs) was investigated and reported. High quality hexagonal ZnO NRs have been grown on the glass-slide substrates via the chemical-bath deposition (CBD) approach at 90 ºC. The radio-frequency sputtering (RF) technique has been used to coat the 150 nm of ZnO nano-seed layer over the whole glass-slide substrates. The Field-emission scanning electron microscopy (FESEM), the Energy-dispersive characterization (EDX), and the X-ray diffraction (XRD) characterizations have been used to characterize and examination of the morphological, chemical compositional, and structural characteristics with ZnO hexagonal-wurtzite structure of the NRs. The used zinc salts were Zinc-nitrate Hexahydrate (ZNH), Zinc-acetate (ZA), and Zinc-chloride (ZC). The FESEM and XRD results indicated that the change in types of Zinc salts with Methenamine as reactants precursors in the growth (deposition) solution have a remarkable and significant impact on the surface topography (morphology) characteristics and structural characteristics of synthesized ZnO NRs. The average size and average length of the grown ZnO NRs were in the range of (91-529) nm and (1008-3189) nm, respectively. The high aspect ratio was obtained of ZnO NRs synthesized from Zinc-nitrate Hexahydrate salt and was about 11. The highest growth rate was investigated ZnO NRs synthesized from Zinc-chloride salt and was about 17.716 nm/min. The average crystalline size of synthesized ZnO nanorods was in the range (48.35-56.06) nm

Fabrication and characterization of CaCl2·6H2O composite phase change material in the presence of CsxWO3 nanoparticles

Phase change materials (PCMs) with excellent energy conservation performance have been extensively utilized in solar energy storage system. In this study, a novel kind of thermal storage composite material based on calcium chloride hexahydrate (CaCl2·6H2O) salt hydrate as core PCM and cesium tungsten bronze (CsxWO3) nanoparticles as near-infrared (NIR) light absorbent additives is fabricated. The effect of CsxWO3 nanoparticles on crystalline morphology, thermal physical behaviors and light transmittance of CaCl2·6H2O are investigated. Additionally, thermal cycle tests are conducted for stability examination. Furthermore, thermal regulating performance of double layer glass window filled with the PCM composite is tested in small chambers by being sunlight irradiated under a solar simulator. All results manifest that with the incorporation of CsxWO3 nanoparticles, the salt hydrate PCM composite exhibits large latent heat, low supercooling degree and high NIR light shielding ability as well as good thermal stability. When employed as the glazing window of a test room, the PCM panel has functions of reducing indoor temperature fluctuations and increasing thermal inertia. Hence, the salt hydrate/nano CsxWO3 PCM design in this work shows great potentials for the development of solar energy storage products in energy conservation fields.

A new macrocyclic heterobinuclear Cu(II)-Zn(II) complex: synthesis, crystal structure, phosphate hydrolysis, and DNA binding studies

A new macrocyclic heterobinuclear Cu(II)-Zn(II) complex was synthesized and characterized by elemental analysis, FT-IR, ES-MS, and single-crystal X-ray diffraction. Five-coordinate geometry for the new complex is proposed. The copper…zinc distance bridged by two phenolic oxygens and a acetate ligand is 2.9508 Å. The phosphate ester hydrolysis activity and the DNA binding ability of the complex were studied. The results showed that the present complex has an efficient catalytic activity of phosphoester bond cleavage. The catalytic rate constant kcat for the hydrolysis of 4-nitrophenyl phosphate disodium salt hexahydrate (pNPP) by the synthesized complex is 2.69 × 10−4 s−1 and 105 times faster than the spontaneous hydrolysis of the phosphate monoester. The complex shows a good binding ability to calf thymus (CT-DNA) and the corresponding binding constant is 1.9 × 105 M−1. The linear Stern-Volmer quenching constant obtained by the fluorescent spectroscopic is 6.3 × 104 M−1.