Abstract Demand for the detection of carbon dioxide (CO2) is increasing in various fields, including air-quality monitoring, health care, and agriculture. Smart gas sensors, in which micromachined gas sensors are integrated with driving circuits, are desirable for the social development of the internet of things. In this study, CO2 sensors were fabricated and investigated. The sensors have LaNiSbWO4-G-PPy

Abstract In this study, calcined layered double hydroxides (ZnAl-cLDH) with Zn/Al molar ratio of 2:1 was prepared via coprecipitation method at constant pH of 9 and calcination at 500 °C. The resultant calcined (ZnAl-cLDH) were applied for the adsorption from Congo red and Methyl orange dye removal from aqueous phase. The adsorption kinetics fit the pseudo-second order kinetic models well and the Langmuir

Abstract A novel inorganic coordination polymers crystal is grown from ferric sulfate solution under hydrothermal condition in the presence of adipic acid. The single crystal structure analysis shows that 0.5[Fe6(μ3-O2-)2(μ3-OH-)2(SO4)6].2H2O 1 is composed of µ 3-O2- and µ 3-OH--centered Trinuclear Ferric(III) secondary building units (SUBs) to form two dimensional network, and the lattice parameters

Abstract Transition metal carboxylates with O- and N-donor ligands are interesting for their structural features. Seven novel isonicotinamide(inic)-based metal complexes of [Cd(inic)2(L1)2(H2O)2] · 2H2O (1) (L1 = 2-chloronicotinate), [Cd(inic)2(L2)2(H2O)2] (2) (L2 = 2,4-dichlorobenzoate), [Cu(inic)2(L3)2] (3) (L3 = 4-chlorophenoxyacetate), [Cu3(inic)6(L4)2(HL4)2(H2O)2] · 2H2O (4) (L4 = azelate), [

Abstract Two new cobalt(II) coordination polymers based on H4bpta (H4bpta = 3,3′,5,5′-biphenyltetracarboxylic acid) and N-donor ligands, namely [Co2(1,3-bimb)2(bpta)] n ·2nH2O (1) and [Co2(1,4-bib)2(bpta)] n ·2n(H2O·DMF) (2), (1,4-bib = 1,4-bis(imidazol-1-yl)benzene, 1,3-bimb = 1,3-bis((1H-imidazol-1-yl)methyl)benzene), have been obtained under solvothermal conditions. Series of biological experiments

Abstract Two metal coordination polymers, namely {[Co(MIBA)2]·2H2O}n (SNUT-3) and {[Cu(MIBA)2]·2H2O}n (SNUT-4), where HMIBA = 4-(1H-2-methylimidazol-1-yl)benzoic acid, were prepared by hydrothermal methods. Single-crystal X-ray analysis revealed that the structure of SNUT-3 exhibits a 3D→3D fourfold interpenetrating structure with diamondoid frameworks, while SNUT-4 shows a 2D + 2D → 3D inclined polycatenation

Abstract Four new coordination polymers, namely [Cd(OBA)(H2O)3]n (1), [Zn2(OBA)2(PBHB)2]n (2), [Mn(OBA)(BBHB)2]n (3), and [Co(MIP)(BPP)]n (4) (H2OBA = 4-oxyacetate-benzoic acid, PBHB = 1,1′-(1,3-propanediyl)bis-1H-benzimidazole, BBHB = 1,1′-(1,4-butanediyl)bis-1H-benzimidazole, H2MIP = 5-methylisophthalic acid, and BPP = 1,3-bis(4-pyridyl)propane)), were prepared and structurally characterized by single-crystal

Abstract A mononuclear complex Cu(L1)2·CH3OH·H2O (L1: 3,5-dibromo-L-tyrosine) was synthesized and characterized by IR, elemental analysis, and X-ray diffraction single-crystal analysis. Each Cu2+ ion is four-coordinated by two nitrogen atoms and two (carboxylic) oxygen atoms L1. Theoretical calculation of the title complex was performed by density functional theory (DFT) B3LYP method using the 6-3 l + G*

Abstract A visible light active nanocrystalline trirutile antimonates CoSb2O6, CuSb2O6, NiSb2O6 and FeSb2O6 were prepared by solution combustion method and their visible light photocatalytic activity was reported for the first-time. The as prepared products were in nanocrystalline single phasic trirutile structure. These compounds were synthesized with different oxidant to fuel ratios (O/F = 1, O/F = 0

Abstract Under hydrothermal conditions a new Cd(II) polymer [Cd(dic)]n 1 (H4dic = 5-(3′,4′-Dicarboxylphenoxy)-isophthalic acid) was synthesized. The compound crystallizes in the space group C2 and the Monoclinic system, with b = 8.0043(9), a = 18.523(2), c = 16.5238(19) Å, β = 118.742(2)°,α = 90°, γ = 90°, Z = 1, V = 2148.1(4) Å3, Mr = 2728.38, Dc = 2.109 Mg/m3, F(000) = 1332, μ = 2.059 mm−1, the final

Abstract Cryptomelane (α-MnO2) nanoparticles synthesis was achieved via a Sol-Gel route in mild conditions. XRD analysis showed that the α-MnO2 phase was of high purity and crystallized in the monoclinic space group I2/m, with 12 nm average crystallite size (D). After interaction with an organic pollutant (Phthalic acid, PA), excepting the pronounced decrease in β angle, α-MnO2 cell parameters slightly

Abstract A new Cd(II) polymer [Cd(btc)(4,4′-bipyridine)] n 1 (H4btc = 3,3′,4,5′-biphenyl tetracarboxylic acid) was synthesized under hydrothermal conditions. The compound crystallizes with b = 20.223(3), c = 13.478(2) Å, a = 11.9134(18), β = 110.486(2)°, α = 90°, γ = 90°, V = 3041.8(8) Å3, Z = 4, in the monoclinic system, space group P2(1)/c, μ = 1.468 mm−1, M r = 690.33, F(000) = 1600, D c = 1.771 mg/m3

Abstract A novel coordination polymer (CP) {[Eu(HL)]·2(H2O)}n (1) contains luminescent EuIII ion as the metal node on the basis of a bis-(imidazole-4,5-dicarboxylate) ligand (H4L) was synthesized via reaction of H4L and Eu(NO3)3·6H2O using sodium hydroxide as pH regulator under the hydrothermal condition. The inhibitory activity of compound on SW16 (human colon cancer cells) with squamous shape was

Abstract The importance of biological agents has been recognized as a promising tool for green synthesis of silver nanoparticles over conventional physiochemical methods that are laden with various type of drawbacks. The biomediated nanoparticles synthesis chiefly employing microorganisms and plants as nanofactories is gaining worldwide popularity over past few decades. Biosynthesized silver nanoparticles

Abstract In this study, we reviewed the biogenic route for the synthesis of iron nanomaterials (Fe-NMs) with special emphasis on recent progress. Natural products or its derivatives including extract of plants part, microorganisms, and various biomolecules have been used as stabilizing and reducing agents during synthesis. The greener methodology is quite simple, eco-friendly and generally followed

Abstract In this study, an ether-bridged aromatic carboxylic acid, 2-(2-carboxyphenoxy)terephthalic acid (H3cpta), was applied as the building block for the generation of two new Co(II)-based coordination polymers (CPs) with the chemical formulae of [Co3(μ5-cpta)2(2,2′-bipy)2] n (1, 2,2′-bipy = 2,2′-bipyridine) [Co3(μ3-cpta)2(phen)3(py)3(H2O)3] n (2, phen =1,10-phenanthroline, py = pyridine) by reaction

Abstract The present study was focused on synthesis of silver nanoparticles using Russelia equisitiformis plant (RelAgNps) and flower extracts (RefAgNps). Thus, the nanoparticles synthesis was confirmed using UV spectrometry and the FT-IR results showed the presence of similar compounds in the plant extract and FESEM-EDAX reveals the size, shape, and elemental composition of synthesized nanoparticles

Abstract In the present study gelatin coated-gold nanoparticles were synthesized and release study of the drug “5-fluorouracil” (5-FU) was carried out in a controlled manner. Gelatin nanoparticles were prepared by single water in oil (W/O) emulsion crosslinking technique and gold (Au) nanoparticles by Turkvitch method. For preparing gelatin coated-Au nanoparticles, in situ method was adopted. The release

Abstract Based on 5-dimethylamino-isophthalic acid (H2dia) and 1,2-bis(4-pyridyl)ethylene (bpe) mixed linkers, a new Cu(II) coordination polymer material, [Cu(dia)(bpe)(H2O)]n (1), has been successfully prepared under the hydrothermal reaction conditions. As the disadvantages about current therapy method, new compound with novel mechanism was developed for the analgesic treatment after total knee arthroplasty

Abstract This current study mainly focuses on synthesis of silver nanoparticles in an eco-friendly method using Cissus quadrangularis (CqNp), its characterization and understanding its potential biomedical applications. The CqNp’s were confirmed using UV-vis spectroscopy, FT-IR and the structure of the nanoparticles were analyzed by FESEM and EDAX. Anti-oxidant assay conducted with the plant and the

Abstract Objective of study was to develop and optimize nanoemulsion gel of terbinafine using Melaleuca alternifolia (tea tree) oil for synergistic antifungal activity against Candida albicans. Permeation coefficient of nanoemulsion gel and marketed cream was found to be 2.54 × 10−3 cm/h and 1.64 × 10−3 cm/h, respectively. Cskin max, AUC0–5h, AUC0-∞, and penetration constant (Kp) were found to be significantly

Abstract In lithium-ion batteries (LiBs), electrolyte plays an essential role in leading the performance of the cell. Room-temperature (RT) ionic liquids (ILs) are currently the utmost attractive research in the area of LiBs, owing to their intrinsic properties, like low volatility, non-flammability, good thermal stability, and electrochemically stable. In this present study, we report the electrochemical

Abstract Cobalt ferrite (CoFe2O4) has numerous desirable features such as high anisotropy, good magnetic saturation, large coercivity and high mechanical strength. These remarkable characteristics provide extensive employment for their wide application from industrial to biomedical. The present study aims to evaluate the crystal properties, particle size, and morphology of CoFe2O4 nanoparticles prepared

Abstract A new chiral one-dimensional gadolinium coordination polymer [Gd(HDTTA)3(CH3OH)3]n (1) (D-H2DTTA = (+)-Di-p-toluoyl-D-tartaric acid) was synthesized at room temperature, and fully structurally characterized by Infrared (IR), elemental analysis (EA), single-crystal and powder X-ray diffraction (PXRD). The structure analysis shows that complex 1 belongs to the trigonal system with R3 space group

Abstract Two lanthanide coordination polymers (CPs) with the chemical formulae of [Pr(HPIDC)(C2O4)0.5(H2O)] n (1, H3PIDC = 2-(pyridine-2-yl)-1H-imidazole-4,5-dicarboxylic acid and H2C2O4 = oxalic acid) and [Tm2(HPIDC)(C2O4)2(H2O)3] n ·2nH2O has been prepared under hydro-solvothermal conditions and characterized by single crystal X-ray diffraction, elemental analysis, IR spectroscopy, and thermogravimetric

Abstract CQDs/ZnIn2S4 (CQDs represents carbon quantum dots) nanocomposites were prepared via a microwave-assisted hydrothermal method. The photocatalytic activity for the reduction of Cr(VI) to Cr(III) over the as-prepared CQDs/ZnIn2S4 nanocomposites under visible light irradiations was studied. The study found that the reduction of Cr(VI) to Cr(III) over hexagonal ZnIn2S4 can be significantly increased

Abstract Synthesis and crystal structure with extensive biological activity of the copper sulfadimethoxine complex in the presence of secondary ligand 3-methyl pyridine (title molecule) has been reported earlier. Crystal structure of the title molecule crystallizes in monoclinic space group P21/n. The extension of this work, stability, and reactivity of the title molecule are carried out in the DFT

Abstract In the present study, nickel oxide nanoparticles were prepared using the aqueous extract of Zizyphus jujuba. The temperature and time calcination was studied on size and morphology of synthesized nanoparticles. In addition, the obtained nanoparticles were identified through PXRD, UV-Vis, Raman, FESEM, and EDX methods. The results of PXRD, which were surveyed through Debye-Scherrer and Rietveld

Abstract Two chiral Schiff base ligands 2-((1-hydroxy-3-phenylpropan-2-ylimino)methyl)-6-methoxyphenol (L1H2 ) and 2-(4-hydroxy-3-isopropylbut-1-enyl)-6-methoxyphenol (L2H2 ) have been synthesized by the condensation of l-phenylalaninol/l-valinol and o-vanillin (2-hydroxy-3-methoxy benzaldehyde). A tetranuclear homometallic Cu(II) complex [Cu4(L1H)2(L1)2] (ClO4)2 (C1) and a hexanuclear heterometallic

Abstract We have developed a green and environmentally friendly approach for the synthesis of silver nanoparticles (Ag NPs) using Pithecellobium dulce seeds (PDS) extract via a simple route and characterized by several techniques. Ag NPs have an average particle size is 8 nm and used as a catalyst for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) within 3 min of reaction. Ag NPs could

Abstract Plant mediated synthesis of nanoparticles is a path breaking approach to fabricate ecologically friendly nanoparticles which can be utilized in various applications. The majority of the existing procedures used for nanoparticles synthesis rely up on chemical and physical methods, these methods are sometimes harmful and potentially dangerous to the environment and living organisms. But synthesis

Abstract Ag/BiOCl nanocomposites used for photodegradation of methylene blue (MB) and methyl orange (MO) under UV and visible light were synthesized by a combination of hydrothermal method and microwave-assisted deposition method. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), selected area electron

Abstract Co–Ni thin films alloys were deposited on ruthenium substrates by the electrochemical method from chloride bath at pH 3.8. The effect of cobalt content on the composition, morphology, electrochemical and microstructural properties of the electrodeposited thin films was investigated. Effectively, the conditions of electrodeposition of Ni–Co deposits were determined using the cyclic voltammetry

Abstract The green synthesis of zinc oxide nanoparticles from plant extract is attracting great interest owing to the cost effectiveness and ecofriendly method of synthesis. Crystalline hexagonal shape zinc oxide (ZnO) nanoparticles of approximately 50-100 nm were synthesized through a one-step solution-based technique using alcohol free Artemisia pallens plant extract as a reducing agent. Analysis

Abstract This study focuses on the use of Fe2O3-Al2O3-Ga2O3 as a new photocatalyst for the sono-photo-Fenton degradation of Methyl violet 10B. Fe2O3-Al2O3-Ga2O3 was prepared using the chemical precipitation method and characterized by various techniques, such as BET, FTIR, SEM, and XRD. The optical properties of the photocatalyst were investigated, and the optical band gap was found to be 2.25 eV.

Abstract The existing antibiotics are incapable of killing resistant pathogens including E. coli. Extended-spectrum beta-lactamases (ESBL) genes are found as one of the main causes of the resistance as it degrades the β- lactam ring of the antibiotics. This study aims at the green synthesis of silver nanocolloids from endophytic fungi Lasiodiplodia theobromae (LtNc’s), isolated from traditional medicinal

Abstract By a bifunctional organic ligand 2-(benzimidazol-1-yl)terephthalic acid (H2bitp) featuring both imidazol-carboxylate groups, two new Cu(II)-containing coordination polymers (CPs) with the chemical formulae of {[Cu(bitp)(bpa) 0.5(H2O)2]·0.5bpa} n (1, bpa = 1,2-bis(4-pyridyl)ethylane) and {[Cu1.5(bitp)(Hbitp)(2,2′-bpy)(H2O)]·3H2O} n (2, 2,2′-bpy = 2,2′-bipyridine) have been successfully prepared

Abstract Antibacterial silver nanocomposite cotton fabrics were generated by in situ method using Senna auriculata (SA) leaf broth as reductant. Silver nanoparticles (AgNPs) synthesized on cotton fabrics (nanocomposite cellulose fabrics [NCCFs]) were analyzed by different spectral characteristics like FTIR, SEM correlated with EDX and XRD. The SEM analysis revealed that the generated AgNPs on NCCFs

Abstract The metal salts KSCN, Ni(CH3COO)2·4H2O, and auxiliary ligand pyridine were added respectively to the salamo-like ligand H2L, and it is expected that the Ni(II) complex coordinated by H2L will be obtained. X-ray analysis of the obtained blue bulk single crystal revealed that the ligand H2L did not participate in the coordination, and a mononuclear Ni(II) complex [Ni(Py)4(NCS)2] contained four

Abstract A new Cu(II) coordination polymer (CP), [Cu(1,3-BDC)Dptztz]·DMF (DMF = dimethylformamide) was synthesized by reaction of the Cu(NO3)2·3H2O with the 2,5-di(4-pyridyl)thiazolo[5,4-d]thiazole (Dptztz) in the presence of the isophthalic acid (1,3-H2BDC). The as-prepared complex 1 has been structurally studied via single crystal X-ray diffraction and further characterized by elemental analysis

Abstract Nitrogen-doped diamond-like carbon films were deposited on tool steel substrate througha plasma electrolytic technique. These coatings were fabricated using the hydrocarbons containing nitrogen vapor as a nitrogen and source. The formation of films was proved by Raman spectroscopy, X-ray diffraction patterns, and cross-section scanning electron microscopy. According to the results, by increasing

Abstract A new 3D coordination polymer, [Co2(MIP)2(BMIP)] n (1), [H2MIP = 5-methyl-isophthalic acid, BMIP = 1,5-bis-(2-methyl-imidazol)pentane] has been synthesized and characterized by single crystal X-ray diffraction analysis. The results of structural analyses show that 1 has a two-fold interpenetrated 3D network with a pcu topology. In addition, the luminescent, electrochemical properties and degradation

Abstract Water disinfection processes such as sedimentation, filtration, and chemical or biological degradation are not fully capable of destroying emerging contaminants or certain types of bacteria. Nanotechnology can potentially be employed to address these challenges posed by various contaminants and microorganisms. This paper highlights the advanced nanomaterials and approaches for the removal

Abstract In this work, an N4-donor Schiff base ligand, N,N'-(propane-1,2-diyl)bis(1-phenyl-1-(pyridin-2-yl)methanimine) (PPPM) and its Mn(II) complex, [Mn(PPPM)(OAc)2]·3H2O (1), were prepared and identified by elemental analysis, FT-IR, 1H NMR spectroscopy as well single-crystal X-ray diffraction. X-ray structure analysis of 1 revealed a distorted square-face bicapped trigonal prism geometry around

Abstract The title compound ([CuClL(H2O)]·2H2O) were synthesized. The copper(II) complex in square planar geometry were identified by using elemental analysis, magnetic susceptibility, mass spectra, FT-IR, UV-Vis. and ESR techniques. DFT calculations at the UB3LYP/LANL2DZ level of theory were conducted to obtain vibrational and electronic properties of the copper(II) complex. Vibrational assignments

Abstract This study reports the synthesis of TiO2 nanoparticles through a bio-approach by Avicennia marina leaf extract to titanium source ratios of 0.03, 0.06, 0.125, 0.20, 0.25 and 0.5, and examines its antibacterial activity against some aquatic bacterial pathogens. XRD confirmed the synthesis of crystalline anatase TiO2NPs and showed the increase of crystallite size with increasing the ratio from

Abstract By using a mixed-ligand approach, a new Cu(II)-based coordination polymer (CP) with the chemical formula of {[Cu2(ptd)2(IPA)2]·2H2O} n (1, ptd = 4′-(4-pyridine)4,2′:2′,4′′-terpyridine, H2IPA = isophthalic acid) has been synthesized under hydrothermal conditions and characterized by single-crystal X-ray diffraction, IR spectroscopic, elemental and thermogravimetric analyses. Furthermore, the

Abstract In the present study, new Ru(II) and Pd(II) complexes with sulfonated bidentate Schiff base ligand were synthesized and structurally characterized by NMR, FT-IR, MS spectroscopic methods. Additionally, the solid-state structure of the Schiff base ligand was determined with a single crystal-XRD technique. Then, the antibacterial properties and in vitro cytotoxicity of the synthesized compounds

Abstract In this study, the reduced graphene oxide (rGO)-Hydroxyapatite (HA) powders were first synthesized by a hydrothermal method. The amount of graphene in these powders was 1.5% by weight. Subsequently, these powders were consolidated at 900, 930, and 950 °C by spark plasma sintering (SPS) method, while the pressure applied in the process was 50 MPa. The sintered samples were characterized by

Abstract Nanostructured materials and nanosystems have garnered attention against viral infections owing to their unique physicochemical properties such as significant catalytic activity, high physicochemical/thermal stability, large specific surface area, remarkable chemical reactivity, and strong electron transfer ability, etc. These materials are broadly fabricated through chemical, physical and

Abstract Aqueous extract of Mimosa pudica flowers have been used for the synthesis of silver nanoparticles (MpFNp). MpFNp were characterized by UV–Visible spectroscopy, field emission scanning electron microscopy, Fourier transform infrared spectroscopy, zeta potential, energy dispersive X-ray spectroscopy, and particle size distribution by dynamic light scattering. MpFNp showed bactericidal activity

Abstract In the current research, two new Cu(II)-containing coordination polymers with the chemical formulae of [Cu2(L)2]·2DMA·3H2O (1) and [Cu2(L)2]·H2O (2, H2L = 2-(imidazol-1-yl)terephthalic acid) have been solvothermally synthesized by reaction of Cu(NO3)2·3H2O with the H2L ligand in different solvent systems (DMA/H2O for 1 and NMP/H2O for 2), which have been well characterized by elemental analysis

Abstract The synthesis of zinc oxide nanoparticles (ZnO-NPs) provides interesting biological characteristics and therapeutic applications in a particular method, which evolve the versatile platform for the essential development of the new anticancer agents. Cytotoxic effect of ZnO-NPs was evaluated by MTT assay on A549 cell line. Besides, the anti-apoptotic effects of ZnO-NPs were investigated using

Abstract A novel hetero-hexanuclear [CuII 4GdIII 2] complex with a symmetrical bis(salamo)-like tetraoxime ligand (H4L), [{Cu2(L)(MeOH)Gd(NO3)2(μ 2-NO3)}2]·2CH3OH was obtained after careful design and synthesis. The structure of the [CuII 4GdIII 2] complex was adequately characterized by elemental analysis, FTIR, and UV–vis spectroscopy. The [CuII 4GdIII 2] complex crystallized in the monoclinic system

Abstract Pink Water lily flower, with the scientific name of Nymphaea alba in the family of Nymphaeaceae, was collected from North of Iran, Mazandaran in spring, dried in shade and powdered. The powdered flower material was extracted in 70% (vol/vol) ethanol. Acid functionalized multi-walled carbon nanotubes/CdO (MWCNTs-COOH/CdO) was fabricated by using the Water lily flower extract. The presence of

Abstract A nitro substituted azo-chalcone derivative 3-(4-(dimethylamino) phenyl) diazenyl)phenyl)-1-(4-nitrophenyl) prop-2-en-1-one (AZOC-4N) and a reference compound 3-(4-(dimethylamino) phenyl) diazenyl) phenyl)-1-phenylprop-2-en-1-one (AZOC-H) were synthesized by Claisen Schmidt reaction. Thermogravimetry, UV-vis and cyclic voltammetry were used to study the influence of the introduction of nitro

Abstract In this work, copper-modified nanoalum as a new natural-based sorbent was synthesized and characterized. Then, it was applied for methyl orange removal from water samples. The effect of some parameters such as initial dye concentration, pH, adsorbent dose and temperature on the removal efficiency was investigated. Under optimal condition, the maximum removal was obtained about 90%. The studies

Abstract In the current research, a new Cu(II)-containing coordination polymer with the chemical formula of [Cu(IPT)2] n (1) has been successfully prepared by reaction of the Cu(NO3)2·3H2O with a heterotopic imidazole-tetrazole-bifunctional ligand 5-[3-(1H-imidazol-1-yl)phenyl]-1H-tetrazolate. Furthermore, its treatment activity on the diabetic retinopathy was assessed and the related mechanism was

Abstract Synthesis of the Ni(II) complex of sulfathiazole was carried out and the crystal structure was determined independently. The various vibration patterns of ligand and its Ni(II) complex are studied by IR spectroscopy. Also, the optimized geometry of the complex is derived from DFT/B3LYP calculations and the results are compared with the experimental one. Bond strengths and first hyperpolarizability

Abstract Two new metal-organic coordination compounds with the chemical formulae of [Zn(Htpt)]n (1) and {[Zn(H2tpt)(H2O)]·1/2SO4·2H2O}n (2) based on a multidentate 4-(2,4,6-tricarboxyphenyl)-2,2′,6,2″-terpyridine ligand (H3tpt) have been prepared by hydrothermal synthesis method and structurally characterized. The treatment activity of the compounds on the peripheral artery disease was further explored