Abstract The paper presents structural and dielectric properties of Polypyrrole-MWCNTs/TiO2/Al2O3/n-Si emphasizing that one of the superior characteristics is the appearance of negative dielectric constant and dielectric loss tangent at both high and low frequencies. It may worth mentioning that the need to develop electronic devices based on new materials combination has motivated the development

Abstract In bionanotechnology, nanoparticles synthesis using biological samples is a broadly used technique as it confers lesser toxicity than chemical methods. Leaf extract of Piper colubrinum Link. was used to synthesise green mediated silver nanoparticles (AgNPs). The confirmation and stability of green synthesised silver nanoparticles by UV–visible spectroscopy showed an absorption peak at 410 nm

Abstract The RET protein is a transmembrane receptor tyrosine kinase (RTK) whose oncogenic mutations or fusions are closely related to human cancers such as thyroid and non-small cell lung cancer. Vandetanib as a clinical-approved protein-tyrosine kinase inhibitor (TKI) exhibits anti-cancer efficacy by blocking the RET ATP-binding site, but drug resistance was observed for the RETG810A mutant. Recent

Abstract Barium titanate (BaTiO3) peapod nanocomposites were prepared by the controlled capture of nanoparticles (NPs) in scrolling hexaniobate (HNB) nanosheets. BaTiO3 NPs and proton-exchanged potassium hexaniobate were treated solvothermally at 220 °C for 6 h in toluene to produce linear NP chains confined within multiwalled HNB nanoscrolls. This method consistently produced nanopeapods with average

Abstract Nanoemulsion-based delivery systems have a considerable potential for the encapsulation, protection and delivery of lipophilic bioactives. In the current study, in-vitro stability of curcumin-loaded single (NEI), double (NEII), and triple-layered nanostructures was investigated against varying environmental stress (temperature, pH, ionic strength) and storage conditions. In addition, their

Abstract Electrochemical CO2 reduction (ECR) powered by renewable electricity is reckoned to provide an effective strategy to alleviate environmental issues and energy crisis, enabling a potential carbon neutral economy. To boost the ECR to fuels and value-added chemicals, the design of highly active and selective catalysts is important. In this study, we demonstrate facile ultrasonication-facilitated

Abstract Ni-based single-atom catalysis (Ni-SAC) has been experimentally reported with superior performance in reducing CO2 to CO. However, due to the ambiguities in its structures, the active sites of Ni-SAC that are responsible for superior performance have not yet been resolved. This work investigates the CO2 reduction reaction (CO2RR) mechanism on Ni-SAC by carrying out quantum mechanics (QM) simulation

Abstract In the current study, we fabricated a cardiac patch composed of gold nanowires incorporated in collagen fibres by electrospinning followed by chemical crosslinking. Two other counterparts of the cardiac patch were fabricated; one with gold nanowires incorporated in collagen fibres without chemical cross linking and other with only collagen fibres. The surface morphology of the cardiac patch

Abstract The thrust to invent new materials and technology has been ever increasing due to technological challenges in progressive world. Among new materials, nanomaterials possess superior optical, electrical, magnetic, mechanical, and thermal properties, which have made them suitable for a multitude of applications. The present review paper deals with recent advances in properties of nanostructured

Abstract During the last few decade, magnetite/hydroxyapatite nanoparticles have attracted much attention for its potential applications in the field of medicine and controlled drug delivery. In the present work, we have intended and synthesized, magnetite/hydroxyapatite nanoparticles by wet-chemical precipitation route. The thermal decomposition of the prepared sample was carried out by Thermogravimetric

Abstract In this work, WO3 nanosheets were synthesised and decorated with different percentages of N-GO nanocomposites to study gas sensing assets. The X-ray diffraction (XRD) and Raman spectra showed fine crystal quality. Scanning electron microscope (SEM) and transmission electron microscopy (TEM) illustrated nanosheets morphology for WO3 and confirmed its decoration. The variation of the sensor

Abstract Two new mixed-ligand-based compounds, namely [Co(1,3-pde)(4-bpmh)]n (1) and [Zn3(3,3’-bpdc)3(4-bpmh)1.5]n (2) (1,3-H2pde = 1,3-phenylenediacetic acid, 3,3’-H2bpdc = biphenyl-3,3'-dicarboxylic acid, 4-bpmh = N,N-bis-pyridin-4-ylmethylene-hydrazine) have been prepared under hydrothermal conditions. The obtained compounds were determined by singe crystalX-ray diffraction analyses, elemental analyses

Abstract This study aimed to synthesize Melphalan (MEL)-loaded PEGylated nanoliposomes and evaluate their cytotoxic effects on ovarian cancer A2780CP and SKOV3 cells. For this purpose, MEL-loaded PEGylated nanoliposomes were prepared by the reverse-phase evaporation method. They were then characterized, and the results showed that the size, size distribution, and zeta potential of the nanoformulation

Abstract Modern endometritis therapeutics may require an extremely precise and controlled drug release system. Poly lactic-co-glycolic acid (PLGA) microspheres loaded with two different drugs like amoxicillin and vancomycin were prepared and their efficacy in management of endometritis in murine model was examined. Such biological nanocarriers are need of the hour since they are biodegradable, cytocompatible

Abstract Self-organized anodic double layer TiO2 nanotube arrays (TNTAs) were sensitized by an electrochemical anodization process on a Ti sheet with a two-step anodization method. The prepared sample, followed by hydrothermal treatment with Nd(NO3)3 and/or Gd(NO3)3 and/or PtCl4 solution at 180 °C for 2 h, produced Nd-Pt-TNTAs, Gd-Pt-TNTAs, Nd-Gd-Pt-TNTAs and Pt-TNTAs. The morphological and structural

Abstract Flexible and hierarchical nanostructured Pd/SiO2-TiO2 nanofibrous catalytic membranes were fabricated via combining electrospinning technique and a two-step hydrothermal method. The size and distribution of TiO2 nanorods immobilised on SiO2 nanofibrous membranes can be regulated via adjusting the dosage of TiCl3 solution in the first step hydrothermal process. When using an optimal TiCl3 solution

Abstract Sol-gel process with continuous ultrasonication was used to produce pure and vanadium doped titania powders. The amount of vanadium doped in titania was varied by using different initial concentrations of vanadium solutions. Scanning electron microscopy and particle size analyses showed formation of spherical shaped particles with diameter ranging from 3 to 11 nm. The average pore volume was

Abstract Chemical sensors of homogenous particles, act as active centres, are envisaged for adsorption/desorption of water molecules. The adsorption/desorption of water molecules are lined up with surface of the sensor device. The sensor material was prepared via efficient chemical co-precipitation method. The ruthenium-doped nickel ferrite sensor endows ultra-sensitivity for humidity i.e. 4.04 and

Abstract By utilizing the mixed-ligand method, two novel metal-organic frameworks (MOFs) based on Zn(II) ions as nodes with the chemical formulae of {[Zn2.5(abta)(trz)2(H2O)]·3H2O}n (1, Htrz = 1H-1,2,4-triazole) and [Zn3(abta)2(bibb)2]n (2, bibb = 1,4-bis(benzimidazol-1-yl)-2-butene) were produced via Zn(NO3)2·6H2O reacting with the 1-aminobenzene-3,4,5-tricarboxylic acid (H3abta) in the existence

Abstract The biomolecule-coated nanotitania catalysts were synthesised using rhizome extract of Gloriosa superba and the characteristics of the synthesised nanocatalysts were investigated by using various physiochemical methodologies. The antibacterial activity of the biomolecule coated nanotitania catalysts was tested against harmful microbial human pathogens. Nanotitania catalysts were found to be

Abstract In present study, nanosized iron oxides particles are synthetised by easy one step precipitation from Mohric salt (NH4)2Fe(SO4)2·6H2O reacting with sodium hydroxide solution in temperature up to 60 °C. When changing the time of reaction, the iron oxide particles of different shape are prepared and when drying wet extracted particles at elevated temperature of 60 °C the change of 2D shaped

Chemical vapor deposition (CVD) is one of the most important methods for the preparation of graphene. Graphene is usually prepared using horizontal tube CVD (HT-CVD) method. However, the preparation of this method is too long, generally more than 2 h. In this article, a method called vertical cold-wall CVD (VCW-CVD) method was introduced for graphene preparation. Due to the vertical angle between direction

This paper investigates interaction processes of the Fe3+, Cu2+, Ni2+, and Co2+ cations with humic acids isolated from brown coals of Ekibastuz basin. It was demonstrated that the sorption of heavy metal ions by humic acids (HA) depends on the concentration and nature of cations and decreases in the order of Fe3+ > Cu2+ > Ni2+ > Co2+; while increase in the concentration of humic acids (HA) results

Abstract Zinc oxide (ZnO) nanoparticles, due to their well-defined physico-chemical and antimicrobial attributes have been presented lately as favourable theranostic nanoplatforms for drug delivery. We hypothesized that surface modification of ZnO nanoparticle with activated polyethylene glycol and folic acid might be of great importance in targeted drug delivery in nasopharyngeal carcinoma since carcinoma

Abstract The objective of this study is to systematically investigate the evolution of silver surface segregation of silver/titanium oxide nanocomposite coatings produced by reactive sputtering process. Different thickness barrier layers were deposited on the surface of Ag-TiOx two-dimensional (2D) and three-dimensional (3D) composite coatings at different deposition rates. In 2D mode, the SEM images

Abstract Nowadays, the expansion of nanoparticles as antimicrobial and anticancer agents is one of the most exciting methods for cancer therapy and microbial diseases that can vanquish the problems of drug resistance. In this research, the biosynthesis of silver nanoparticles (AgNPs) was stated using Summer Savory extract. Moreover, these AgNPs by UV-Vis spectroscopy, FTIR, XRD, FESEM, EDX, PSA, and

Abstract Titanium oxide (TiO2) is one of the most scrutinized material because of its in-built fundamental properties and has been developed as an outstanding photo-catalytic material intended for many different industrial applications. In order to further explore the properties of TiO2, we prepared Copper-loaded TiO2 (Cu-TiO2) nanoparticles (NPs) for inhibiting the growth of bacterial cells and also

Abstract Introduction Microbial resistance is increasing worldwide. Investigations are underway to use nanoparticles as antimicrobial agents to reduce microbial resistance. Materials and methods Seven human pathogenic bacteria were selected according to common hospital infection bacteria: both gram-positive and negative. In this study, imipenem and ciprofloxacin antibiotics were used separately and

Abstract In this work, nano-sized mixed oxides of Mn3O4 and CuO were successfully prepared by a simple hydrothermal method and used as an effective heterogeneous sono-Fenton catalyst for p-nitrophenol (PNP) degradation at the neutral condition. The prepared nanocomposite was characterised by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy

Abstract A fast and facile method was employed for the synthesis of magnetic graphene oxide (MGO). The synthesized MGO is characterized by different techniques and used as a solid-phase adsorbent for the extraction of β-sitosterol from rapeseed oil deodorizer distillates (RODD) followed by gas chromatography-mass spectrometry analysis. Several parameters affecting the extraction efficiency, including

Abstract Fibroin is a protein that has been extensively studied for biomedical application. In the present study, silk was dissolved in CaCl2-C2H5OH-H2O in order to obtain silk fibroin (SF) solution, and it was then lyophilized in freeze-dryer. The electrospinning of SF sponge was performed at different fibroin concentrations. SF nanofibers were modified by crosslinking PAMAM dendrimers to carboxylic-terminated

Abstract Lateral flow immunoassay (LFIA) is the most widely used platform of the point-of-care (POC) detection. Since the most important factor in deciding the results of this technique is the visual quality of the test, it should be at its optimum. To address this issue, the present study examines optimising critical parameters to improve the quality of LFIA performance. In this regard the penicillin-binding

Abstract Recently, scientists have used the metallic nanoparticles especially copper nanoparticles for formulating many new neuroprotective supplements in the field of neurology. Also, we know the role of Nigella sativa L. in increasing the physiological activities of the central nervous system in traditional medicine. In the present study, we decided to prepare and formulate a new neuroprotective

Abstract This study investigated the removal of phosphorus (PO4−3-P) from water samples by SnO2 and WO3 nanoparticles (NPs). The effects of adsorbent dosage, pH, contact time and temperature with an initial concentration of 50 mg L−1 of P were investigated. SEM-EDX, FTIR, XRD, and BET analyses were performed to characterize these nanoparticles. The results indicated that the maximum adsorption capacity

Abstract In this article, we report a simple, effective, sensitive, non-toxic and environmentally friendly method for the detection of dopamine (DA). This method utilises the property of the self-polymerization of dopamine under alkaline conditions, and gets the concentration of dopamine by measuring the fluorescence intensity of polydopamine (PDA) nanoparticles. And this method only uses NaHCO3 to

Abstract The objective of this work is to develop cost-effective, reliable, and large-scale production of metallic nanoparticles (NPs) by adopting green chemistry principles for industrial applications. In that view, we have studied the phytochemical reducibility of silver nitrate by making use of Calotropis Procera (Ait.) R. Br root extract, and based on its medicinal properties, an attempt was made

Abstract Polydiacetylene (PDA)-based liposome have been attractive as sensory platforms owing to their applicability in simultaneous detection of colorimetric and fluorogenic signals. As PDA show low quantum yield, gold nanoparticles (GNPs) were used to amplify the fluorescence of the PDA by localized surface plasmon resonance. In this study, positively and negatively surface charged GNPs at different

Abstract Herein, BNPs@Cur-Pd as a versatile and reusable nanocatalyst was successfully synthesized and used for C–C coupling reactions. The Suzuki, Heck and Stille coupling reactions with good to excellent yields were conducted with Pd. Also, the catalyst could be recycled and reused for several sequential runs without considerable Pd leaching or diminishing of reaction yields. This simple methodology

Abstract Every year, many people die due to cancer in all of the world. So, the preparation and formulation of new chemotherapeutic supplements and drugs with remarkable effects for the treatment of cancer are in the priority of both developing and developed countries. Recently, gold nanoparticles have been used as modern chemotherapeutic drugs for the treatment of several cancers such as leukemia

Abstract The present study deals with Plectranthus amboinicus (Lour.), multiple potential herbs perceived as a medicinal and culinary adjunct has been used to fabricate gold (Au) nanoparticles (NPs) in an eco-benign fashion. We have primly reported the antioxidant and anticarcinogenic effects of phytofabricated Au NPs towards lung adenocarcinoma (LAC) cells (A549 cell line) in vitro. The herbal concentrate

Abstract The design of highly active photocatalysts for degradation of phenol can be particularly challenging for solar energy utilisation. Herein, a series of mesoporousLaCo1−xCexO3catalysts have been synthesised and studied for degradation of phenol under UV irradiation. Compared with LaCoO3-SG catalyst which is formed through sol-gel method, optimised LaCo1−xCexO3-NC prepared by nanocasting method

Abstract In this article, the dynamic behaviour of a rectangular atomic force microscope immersed in different liquids has been investigated. To account the rotatory inertia and shear deformation effects, Timoshenko beam theory has been applied. Here carbon tetrachloride (CCl4), methanol, acetone, water and air have been considered as the environments. Euler–Bernoulli and Timoshenko beam theories has

Abstract Lung cancer is one of the most widely recognised types of cancer and the acquisition of resistance towards chemotherapeutic drugs worsens the situation. Therefore, a site-directed, multi-targeting drug delivery system that is compliant with patients is the need of the hour. 5-Fluorouracil (5-FU), an anti-cancer chemotherapy drug, was delivered to the lung cancer cells using papain-inspired

Abstract In this work, worm-like SnS2 nanoparticles were prepared by a hydrothermal process. And then their photocatalytic activity was explored for the restoration of effluent containing Cr (VI). The results indicate that the product obtained is hexagonal SnS2 nanoparticles and adopts a worm-like morphology with length of approximate 6 nm and diameter of 3 nm. Moreover, the as-prepared SnS2 nanoparticles

(2020). Statement of Retraction. Journal of Experimental Nanoscience: Vol. 15, No. 1, pp. 99-99.

(2020). Statement of Retraction. Journal of Experimental Nanoscience: Vol. 15, No. 1, pp. 98-98.

(2020). Statement of Retraction. Journal of Experimental Nanoscience: Vol. 15, No. 1, pp. 97-97.

Abstract In this work, by appealing to a heterometallic cluster approach, a new highly porous metal-organic framework (MOF) formulated as {(Me2NH2)[Ni3K2(TZIA)3(H2O)3]·(DMF)4}n (1) has been fabricated by a solvothermal reaction of a bifunctional organic ligand 5-(1 H-tetrazol-5-yl)isophthalic acid (H3TZIA) with the Ni(II) and K(I) salts in water and DMF mixed solvents. The resulting activated 1a has

Abstract Mitotic spindle orientation is postulated to be regulated by two mechanisms: (1) Hertwig’s rule in which cells divide perpendicular to their major axis and (2) cortical cues arising from the spatial distribution of extracellular matrix. It was shown that cortical cues override cell geometry in dictating mitotic spindle orientation for cells cultured on 2D surfaces. In this study, we seek to

Abstract Mesoporous titania–ceria mixed oxide (MTCMO) was synthesised in a sol–gel method using cerium chloride and titanium isopropoxide (TTIP) as CeO2 as well as TiO2 precursors and sodium dodecyl sulphate (SDS) as a structure-directing agent and its application was evaluated in the synthesis of aromatic β-phosphonomalonate derivatives via cascade Knoevenagel–phospha-Michael addition reaction. The

Abstract In this study, adsorption treatment of phenol pollutant using electrospun poly(3-hydroxybutyrate) [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] is highlighted for the first time. Both P(3HB) and P(3HB-co-3HHx) were extracted from bacterial cells and nanofibres were fabricated through electrospinning technique for the adsorption of phenol. The electrospun nanofibres

Abstract A systematic read on evaluating the machining characteristics of wire cut electrical discharge machining (WEDM) using analysis of variance (ANOVA) and multilinear regression model based multi objective optimization is provided during this analysis article. The current work explores, the surface roughness of copper metal matrix composite (MMCs) is minimized by optimizing the process parameters

Abstract With the goal of developing a new type of boron neutron capture therapy (BNCT) agent, selective internalisation of submicrometer boron carbide spherical particles into cancer cells via surface transferrin conjugation is demonstrated and confirmed in vitro and in vivo. Herein, negatively charged, spherical, submicrometer boron carbide (B4C) particles were coated with positively charged poly-L-lysine

Microporous foamed polymers are widely used in numerous fields hence, research on these materials has great practical significance. In this work, the effects of nano-SiO2 on the micromorphology of polystyrene (PS) microporous foamed materials were systematically studied by varying nano-SiO2 content and foaming temperature. Relative to PS, the results show that addition of nano-SiO2 significantly affects

This study aimed to report a one-pot, eco-friendly and room temperature procedure to prepare highly stable (at least 15 months) silver nanoparticles (AgNPs) using the aqueous leaf extract of Cordia myxa. The effects of different parameters, such as applied pH in the reaction mixture, amount of the leaf extract, silver ion concentrations, time of reaction and synthesis temperature, on the formation

A new 2 D Cu(II)-based coordination polymer (CP) {[Cu5(Hcia)4(dpp)2(H2O)2(μ-OH)2]·2H2O}n (1) was designed and synthesized via using the mixed-ligand strategy, using 1,3-di(4-pyridyl)propane (dpp) colinker with a flexible spacer H3cia (H3cia: 5-(2-carboxybenzyloxy)isophthalic acid). Furthermore, we use the grinding method to downsize the complex 1 to nano-region (denoted as nano 1 hereafter). Furthermore

This study aimed to synthesise TiO2 nanoparticles (NPs) in pure rutile structure at moderate temperature without calcination and use them as the catalyst for alachlor removal under UV-C radiation. The crystal structure, composition, and particle size of the synthesised TiO2 NPs were analysed using an X-ray diffractometer (XRD) and a scanning electron microscope (SEM). The XRD spectra revealed the production

Azo dyes are not efficiently removed in water treatment. So the development of excellent absorbent is significant important for environmental protection. In this study, ceria is successfully immobilized on 40-60 mesh sand by using a simple method of sol–gel. And then research the effect of absorption on azo dyes in waster using immobilized CeO2 (ICe). The ICe absorbent displays high removal efficiency

Toxic effects of nanoparticles on human health are considerably increasing their worldwide recognition. Currently silver nanoparticles are being widely used in consumer medical products, due to its uniqueness in biomedical applications. Uptake of these particles via various administration routes can also lead to different toxic effects. In this study, we assessed the toxic effect of 11–75 nm ranged

Nano- and micro-scale engineered surface structures are often used to control cell morphology and mimic the extracellular matrix in tissue engineering. However, there is little understanding of how toxins produced by common bacteria might affect cell adhesion to these structures. In this study, human dermal fibroblast (GM5565) cells were incubated on patterned tungsten/silicon oxide nanocomposite in