Mohammad Mirjalili

• PhD-Full Professor
• Professor (Full) at Islamic Azad University, Yazd

In this work single step process for in situ synthesis of the graphene nanosheets and zinc stannate nanoparticles on the cotton fabric is introduced and functionalities of the nanocomposite are investigated. The samples were characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM), field emission scanning electron microscopy...

This research is conducted with the objective of developing a multi‐functional finishing on cotton fabric for improving different properties such as self‐cleaning, antibacterial, ultraviolet blocking, mechanical, and electrical conductivity. To this end, zinc stannate nanophotocatalyst and reduced graphene oxide (RGO) are successfully synthesized a...

This research has been conducted with the objective of multi-functional finishing on cotton fabric for improving different properties such as photocatalytic activity, electrical conductivity, UV blocking, and antibacterial. To this end, in situ synthesis of graphene/zinc stannate nanocomposite was carried out and its effect on the cotton properties...

Background: The most common polymers in the treatment of wounds are natural (e.g., polysaccharides, proteins, and peptides) and synthetic polymers (e.g., poly-glycolic acid, polyacrylic acid, polylactic acid, and polyvinyl alcohol) due to their biodegradability, biocompatibility, and their structural resemblance to the macromolecules known to the...

Differences in the properties of poly(vinyl alcohol) (PVA) and poly (lactic acid) (PLA) polymers have attracted much attention today. In this research, the aim is to produce PVA/PLA nanofibers with hydrophilicity and good mechanical properties using a mutual solvent. In this regard, the ability to produce PVA/PLA nanofibers using a mutual solvent w...

In this research, an effective, selective and accurate method for determining the isoniazid (INH) residues is presented based on screen printed carbon electrode (SPCE) modified with graphene oxide / gold nanourchin / layer molecular imprinted polymer. The morphological properties of the suggested sensor were explored by FESEM, FTIR, EDX techniques...

Here, we fabricated the platelet-rich fibrin (PRF)-loaded PCL/chitosan (PCL/CS-PRF) core-shell nanofibrous scaffold through a coaxial electrospinning method. Our goal was to evaluate the effect of CS-RPF in the core layer of the nanofibrous on the osteogenic differentiation of human mesenchymal stem cells (HMSCs). The elastic modulus of PCL/CS-PRF...

In the present study, we developed a novel approach for functionalization of gelatin nanofibers using the plasma method for tissue engineering applications. For this purpose, tannic acid-crosslinked gelatin nanofibers were fabricated with electrospinning, followed by treatment with argon and argon–oxygen plasmas in a vacuum chamber. Samples were ev...

This research deals with the mechanical properties, microstructure, and interrelations of triple nanocomposite based on PET/EPDM/Nanoclay. These properties were examined in different percentages of PET/EPDM blend with compatibilizer (Styrene-Ethylene/Butylene-Styrene)-G-(Maleic anhydrate) (SEBS-g-MAH). Results showed that the addition of 15% SEBS-g...

يکی از مشکلات استفاده از کامپوزي تهای اپوکسی برهمکنش ضعیف میان نانو پرکنندههای کربنی و رزين اپوکسی میباشد. در اين پژوهش، تاثیر عملیات سطحی کرونا بر خواص کامپوزي تهای اپوکسی تقويت شده با نانو لولههای کربنی مورد بررسی قرار گرفته است .ساختار شیمیايی سطحی و شکلشناسی نانوکامپوزي تهای اپوکسی با کمک طیفسنجی مادون قرمز و میکروسکوپ الکترونی روبشی مورد بررسی...

Gelatin/tannic acid nanofibres have been prepared and the effects of production parameters, including high voltage, feeding rate and distance between tip of the needle and collector on the morphology of nanofibres are investigated. The results show that the average nanofibre diameter increases with raising the high voltage values, due to less branc...

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...

The main goal of the present study was the fabrication of wood/polyvinyl chloride (WPVC) composite with enhanced properties. In this regard, the wood fibers were primarily bleached with sodium chlorite and then dyeing of fibers was carried out with green walnut shells as a natural dye. Influences of natural dye on color, antibacterial, and mechanic...

For the first time, the ability of dyeing the montmorillonite (Mt) mineral with reactive dye aiming to prepare a new nanopigment was investigated and the optimum conditions were determined. The prepared nanopigment was characterized by Fourier-transform infrared spectra (FTIR), transmission electron microscope (TEM), Brunauer-Emmett-Teller (BET), r...

Attempts have been made to accomplish synthesis of magnetite nanoparticles and hydrolysis of polyester fabric in one step. Polyester fabrics are treated in a bath containing ferrous chloride, ferric chloride and sodium hydroxide under three different conditions, namely stirring, ultrasound and high temperature. The successful synthesis of Fe 3 O 4...

A beta type-chitin was produced from the shell of Penaeuse semisulcatuse shrimp for removal of lead and cadmium from the aqueous environment. Full physicochemical properties of the chitin (FTIR, SEM, mapping, XRD, EDX, AFM, and TGA-DTG) were obtained. Effects of solution pH, chitin dose, metals concentration, and contact time on the lead and cadmiu...

In this research, an alkaline-activated polyester (AAP) was impregnated with three-component effective nano composite silica/kaolinite/silver through impregnation conventional process to improve mechanical properties using statistical approach of response surface methodology (RSM). This process was conducted by photo reduction through changing the...

Niosomes and liposomes are one of the most widely used novel drug delivery systems. These carriers are tiny vesicles composed primarily of phospholipid molecules with an active surface. The essential oil of Trachyspermum copticum (Ajwain spice, also called caraway seeds or carrom seeds or Ajowan or Bishop’s Weed) is an effective antimicrobial agent...

The integration of electronic elements with conventional textiles is essential for the fabrication of intelligent clothes. Carbon nanotubes (CNTs) owing to their light weight, high surface area, excellent electric and mechanical properties, have recently been applied as the electronic element to make wearable electronic textiles by a dip-drying pro...

The effect of ascending and descending rates of the imposed specific stress (ISS) on the extent and transposition of chemical reactions was investigated during the step-wise stabilization of special polyacrylonitrile (PAN) fibers. The stabilization was performed in three thermal stages (220, 240, and 260 °C) and three levels (0.6, 1.1, and 1.7 cN/t...

In this paper, cellulose nanoparticle with the average diameter of 35.2 nm was synthesized through the hydrolysis of microcrystalline cellulose and incorporated onto the α-Fe2O3 nanofiber surface by citric acid to prepare a hybrid nanofiber. Then, the ability of the resultant nanofibers for the removal of cationic dyes was investigated. Also, the c...

Polyester is cheap and versatile and for that reason it has become ubiquitous in fashion, but the environmental impacts of polyester are also significant. In this research environmental effects of an alkaline-activated polyester (AAP) was impregnated with three-component effective nano composite silica/kaolinite/silver through impregnation conventi...

In this study, the photo-reduction method is used to synthesize a three-component nanocomposite containing Ag, Kaolin, and Silica. The values of these three components are optimized to make a central composite design. Through ultrasound and UV photo reduction, virgin polyester fabrics coated with different ratios of Silica/kaolin/Ag are evaluated f...

Water pollution is a major issue of developing the various industries around the world. Oily compounds threat the people’s health and aquatic life due to their toxic nature. In this project, surfactant grafted functionalized mesoporous silica nanofiber with the aim of separation the oil spillage was synthesized.Firstly, the electrospun nanofiber wa...

The main aim of this research work is in situ synthesis of carbon nano tube (CNT) on nonwoven glass mat. Different types of catalyst were used and the effect of them on growth of carbon nanotubes on glass mat was investigated. The process was considered as variable catalysts to achieve optimal conditions for CNT deposition on glass mat. In this res...

For the first time, a new fluoroamine compound was synthesized by aminating the perfluoroacrylate compound. The synthesized fluroamine was used to modify the surface of polyacrylonitrile (PAN) nanofibers and the fog harvesting ability of the modified nanofibers was investigated. The results showed that the maximum fog harvesting capacity (335 mg/cm...

In this study, the synthesis of zinc oxide nanoparticles was carried out, together with the hydrolysis of polyethylene terephthalate, using sodium hydroxide to increase surface activity and enhance nanoparticle adsorption. Polyester fabrics were treated with zinc acetate and sodium hydroxide in an ultrasonic bath, resulting in the formation of ZnO...

Fabrication of electro-conductive fiber is a novel process. Nanocomposites of multiwall carbon nanotube/polyamide66 were produced by electrospinning with different amounts of multiwall carbon nanotube. Field emission scanning electron microscope and Fourier transform infrared spectroscopy of samples proved the existence of multiwall carbon nanotube...

In this paper, polyamidoamine (PAMAM) grafted α-Fe2O3 nanofiber as a new adsorbent was prepared by a three-step method. (1): preparation of α-Fe2O3 nanofiber by electrospinning technique, (2): incorporation of vinyl group on the nanofiber surface by vinyltriethoxysilane (VTES) and (3): grafting of PAMAM dendrimer onto the nanofiber surface. For the...

In this paper, hydroxylated α-Fe2O3 nanofiber was synthesized by the combination of electrospinning method and in-situ polymerization and its potential for the adsorption of cationic dyes was investigated. The vinyl acetate monomer was polymerized onto the surface of α-Fe2O3 nanofiber and subsequently it was hydrolyzed in an alkaline solution to co...

In this study, synthesis of zinc oxide nanoparticles was carried out along with the hydrolysis of polyester fabric using sodium hydroxide to increase the surface activity and enhance the nanoparticles adsorption. The polyester fabrics were treated with zinc acetate and sodium hydroxide at different bath conditions, ultrasound and stirrer, resulting...

The main goal of present study was the fabrication of cotton fabric with special functions, including electrical conductivity, magnetic, antibacterial, and ultraviolet (UV) blocking. In this regard, the cotton fabric was primarily coated with graphene oxide and then reduction of graphene oxide and synthesis of magnetite nanoparticles accomplished i...

In this paper, cobalt ferrite nanofiber was produced using electrospinning technique and the surface of prepared nanofiber was modified with L-arginine. We used [3-(2,3-Epoxypropoxy)-propyl]-trimethoxysilane as coupling agent. Bonding behavior, surface morphological and topography, crystalline phase, isoelectric point and chemical composition of na...

In this study silver nanoparticles with different particle sizes and hence colors were synthesized on silk and cotton fabrics through reduction of silver nitrate. Particle sizes of the silver colloids were measured by dynamic light scattering (DLS). The structure and properties of the treated fabrics were characterized by scanning electron microsco...

The aim of this work was the fabrication of cotton fabric with multifunctional properties such as photochromic, hydrophobicity, antibacterial, and ultraviolet (UV) blocking. In this regard, a mixture of silica nanoparticles with spirooxazine as a photochromic dye first applied on the cotton fabric, and then, the fabric surface was coated with an al...

Today, nanoparticles of titanium are used mainly in the textile industry. Examples of it can be named as cultivation of nanoparticles of titanium on polyester cotton fabrics, with features as white-washing, self- cleaning and also the effect of TiO2 on the dyed textiles with natural dyes as well as the effect of commodities reactive to increase the...

Electrospinning (electrostatic fiber spinning) is a modern and efficient method which uses electric field to produce fine fibers which their diameter can reduce to nanometers. These fibers have wide applications in industry such as filtration, composite materials, medical, membrane, etc. In this paper a review of electrospinning process, its produc...

In this study, the effect of laser CO2 irradiation on the dyeability of the bleached cotton/polyester fabric was studied. The fabric samples have been treated with laser CO2 irradiation under three different lasers CO2 power before dyeing, hot reactive dye was used for dyeing goods. CIE LAB colorimetric system was used for determination of colour d...

In this study, a new finishing technique is introduced through treatment of wool fabric with graphene/TiO2 nanocomposite. Graphene oxide/titanium dioxide nanocomposite first applied on the wool fabric by hydrolysis of titanium isopropoxide in graphene oxide suspension and then this coating chemically converted by sodium hydrosulfite to graphene/TiO...

MWCNTs functionalized with the carboxylate group are used as efficient adsorbent for the rapid removal and fast adsorption of malachite green from the aqueous solutions. The optimized contact time and pH were 10. min and 9, respectively. The effect of temperature revealed that the adsorption capacity of malachite green (MG) dye increased with incre...

This study examined an innovative approach for imparting multi-functional properties, i.e. self-cleaning, electrical conductivity, ultraviolet (UV) blocking as well as antimicrobial properties onto cotton fabric. Graphene oxide/TiO2 nanocomposites were successfully prepared, by a simple method of mixing and sonication, and used for multi-functional...

The strategic approach to the manufacturing section as a competitive weapon dates back to almost 50 years ago. Considering the manufacturing strategy as a distinct strategy but a functional part associated with the marketing strategy is originated from the Skinner's article in 1969. A production and marketing strategy explains a required competitiv...

Correlation of rheological response with microstructure and also the tensile mechanical properties of nanoclay-filled polyethylene/ethylene vinyl acetate blends were studied. From transmission electron microscopy observations, the same clay localization within polyethylene- and ethylene vinyl acetate-rich blends was revealed. However, a better clay...

Within the present study, polyacrylonitrile (PAN) nanofibers were produced by electrospinning technique. The surface of the webs was then modified by three different sources of amine-containing compounds, including diethylamine, diethylenetriamine, and triethylenetetramine. Chemical, morphological, and surface properties of nanofibers were investig...

Preparation of electroconductive fine fibres containing carbon nanotubes (CNTs) by melt spinning was the main goal of the present study. In this regard, the influence of the main operating parameters such as type of polymer used (polyester, polypropylene and polyamide), type and concentration of the CNTs on conductivity, and mechanical and thermal...

This research aims to create the durable self-cleaning property on cotton fabric using nano titanium dioxide and corona treatment as a dry and environmentally friendly process. In this regard, cotton fabrics were investigated under corona treatment with intensities of 2 and 3 A for 1, 3, and 5 min of irradiation. The treated samples with 0.1, 0.5,...

A new facile route based on cotton fabric coated with graphene/titanium dioxide nanocomposite is reported to produce photo-active cellulose textiles. A thin layer of graphene oxide has been produced on cotton fabrics by a dip-dry process. The graphene oxide-coated cotton fabrics were then immersed in titanium trichloride aqueous solution to yield a...

The aim of the research is to investigate nano technique of wool acid dyeing without the presence of acid auxiliary agent at temperatures lower than the boiling. The wool fabrics are first pretreated with nano TiO2 and BTCA at different concentrations. The dyeing process is then carried out on the pretreated fabrics with C. I. Acid Blue 113 and C....

A novel and efficient process is reported for fabrication of electroconductive, self-cleaning, antibacterial and antifungal cellulose textiles using a graphene/titanium dioxide nanocomposite. Cotton fabric was loaded with graphene oxide using a simple dipping coating method. The graphene oxide-coated cotton fabrics were then immersed in TiCl3 aqueo...

The stain resistance and intrinsic hydrophobic features of wool are the most important problems which have negative impacts on various aspects of wool and prompt scientists to find a solution over the past decades. Zinc oxide nanoparticles (ZnO-np) were successfully synthesized and stabilized on natural protein wool using the impregnation process w...

Cotton gauze is one of the most successful wound dressings which utilize the intrinsic properties of cotton fibers. Modern wound dressings, however, require other properties such as antibacterial and moisture maintaining capabilities. In this study, conventional cotton gauze was treated with chitosan/Ag/ZnO nanocomposite for achieving modern wound...

A new nano silicagel supported by thionyl chloride as a solid acid was synthesized and used to increase the production yield of dye to affect the efficient diazotization of arylamines. The obtained diazonium salts were then coupled, using standard experimental procedures, in order for to anilines and naphthols to afford the requisite azo dyes in go...

In this study, the effect of different mordants on dyeing of nylon fabric with Henna natural dye was studied. Nylon fabrics were treated with different mordants and the dyeing process was carried out on the fabrics in the state simultaneously-mordanting. The antibacterial properties were determined by reduction growth of a Gram-negative bacterium E...

The study in 1389 to assess the effects of plant density and nitrogen fertilizer application on different features herb Zennian a factorial randomized complete block design Yazd Research Center for Agriculture and Natural Resources was performed in triplicate. Factors tested including density levels (60, 120 and 180 plants per square meter) and thr...

Coating conventional textile goods with conductive polymer is considered a replacement method for producing conductive goods and layers. In this procedure, polymerization is done in surface of fiber and the surface fiber coated by conductive co-polymer. In this paper, we aim to study the possibility of coating the surface cotton fabric by pyrrole-t...

In the present study, an attempt has been made to impart antimicrobial finishing to the cellulose fabric using nano silver solution at various concentrations (5, 10, 15, 20 and 25 ml) and an eco-friendly crosslinking agent by the exhaustion technique. Curing conditions were varied, keeping curing temperatures at 110°C and 100°C and curing times to...

Curcuma longa rhizome (turmeric), walnut, and henna are medicinal plants which are traditionally used for fiber colorations. In this study, the viscose rayon fabrics were dyed with different mordant at a variety of conditions. The dyed fabric and treated fabric with Ag nanoparticles were evaluated for antibacterial activity against pathogenic strai...

In this paper, durable ultraviolet (UV) protection properties were obtained on polyester fabric by the treatment with nano titanium dioxide (NTOP) as UV absorber and polysiloxane (PS) as stabilizer. The cross-linkable PS softener was applied to enhance NTOP durability creating soft handle. The UV protection (UP) properties of the samples were monit...

Electron radiation is one of the finishing processes that can be used in dry environments and doesn't need any chemical materials and use for improving of textiles properties and synthetic polymers. Another important improvement of this finishing method is no need of water, less wastewater without any ecological problems. In this paper, the samples...

Curcuma longa rhizome (turmeric) is a medicinal plant used for fabric and food coloration. In this study, polyamide (nylon 6.6) fabric was dyed with different mordants at various turmeric concentrations. The dyed fabric was evaluated for bacteriostatic activity against pathogenic strains of Gram-positive (Staphylococcus aureus) and Gramnegative (Es...

The oxidation of aromatic amines was carried out in the presence of lacunary Keggin-type heteropolyanion with mixed tungsten and molybdenum addenda atoms. In the presence of this heteropolyanion, the nitro compounds were obtained in excellent yields under mild reaction conditions.

Acetate fabric surface was treated with combinations of water glass and hexadecyltrimethoxysilane (HDTMS) to obtain hydrophobicity. Performance analysis was done by measuring the contact angle of water on the treated fabric surface. The chemical structure, morphology and surface roughness of treated fabrics were characterized by FTIR, SEM and AFM,...

A new nano silicagel supported by thionyl chloride as a solid acid was synthesized and used as a increasing the production yield of dye to affect the efficient diazotization of arylamines. The diazonium salts thus obtained were coupled, using standard experimental procedures, to anilines and naphthols to afford the requisite azo dyes in good yield....

Thermal properties, light reflection, dye absorption, and resistance against bacteria growth have made fibers and textiles very important and applicable in industry. These are mainly attributed to the structure and the surface characteristics, and their modification appears to be very contribute to improving the properties of textiles. Most of the...

Worsted corona discharge was under operation, while the operation conditions were optimized. Processed woolen surface properties such as water absorption and staining properties were investigated. In addition, the bending length, wrinkle recovery and tensile strength retention (%) of treated samples were evaluated. Corona discharge after operation...

Using nitrosyl chloride reagent supported by nano silica gel, some of the azo dyestuffs was based on Į naphthol and ȕ naphthol were synthesized in a very short time at room temperature with high efficiency, that will be reduces the corrosion of the pot and environmental pollution and the other problems. The molecularstructure of the synthesized dye...

In the present study, wheat husk was applied as a natural adsorbent for the dye C. I. Reactive Yellow 15 removal from aqueous solutions. Different effective parameters of the decolorisation process such as contact time, stirring speed, temperature and pH of solutions were studied and the best condition for achieving the highest efficiency was intro...

Since the last decade, the application of natural dyes on textile materials is gaining popularity all over the world, possibly because of increasing awareness of environment, ecology, and pollution control. In this research, extraction of dyes from weld using soxhlet apparatus has been studied. The color components extracted and isolated from weld...

This paper introduces an analytical method for identifying the colour base extracted from the walnut shell (Juglans regia L.) which is based on the extraction of colourant from walnut shell through a solvent using Soxhlet apparatus. Here, the main colour bases of samples were isolated and analyzed by column chromatography, thin layer chromatography...

Optimization of cured cotton textiles through self-cleaning property constructs the main goal of present investigation. Cotton textiles with 0.1, 0.3, 0.5, 1 and 1.5 wt% were cured by Nano-titanium dioxide (P25 Degussa) with and without using cross-link method. Stability of the TiO 2 coatings is a particular requirement for textiles because they ar...

Synthesis of some azoic dyes based on a-naphthol requires special conditions such as low temperature, use of dense acids and high pressure. Aside from great expenses and difficulties in preparing conditions of solution, depreciation of dye-making devices due to the application of dense acids is regarded as another problem in this system. This paper...

Optimization of curing cotton textiles through self-cleaning property constructs the main goal of the present study. Cotton fabrics with 0.1, 0.3, 0.5, 1 and 1.5 on weight of bath percent were cured by nano titanium dioxide (P25 Degussa) with cross-link and non cross-link methods. In this study, succinic acid was used as a cross-link agent to attac...

Polyester properties improve by heat setting; but in cotton/polyester fabrics in high temperature, we have some limitation because of cotton yellowing. For eliminate this problem we must control temperature and duration of heating as we get low yellowing of cotton. The goal and aim of this research is survey effect of heat & time on physical-mechan...

In the title compound, C14H13N7, intermolecular N—H...N and C—H...N hydrogen bonds link the molecules into infinite one-dimensional chains along (100). A C—H...π interaction also occurs in the crystal.

In the title compound, C14H13N7, inter­molecular N—H⋯N and C—H⋯N hydrogen bonds link the mol­ecules into infinite one-dimensional chains along (100). A C—H⋯π inter­action also occurs in the crystal.

It has been recognized that microorganisms, can thrive on a textile substrate. Natural fibers such as cotton are more susceptible than synthetics because their porous hydrophilic structure retains water, oxygen, and nutrients, providing a perfect environment for bacterial growth. A variety of antibacterial finishes have now been developed for appli...

To apply electron radiation ((ER)) is one of the most developed methods for improving and/or altering polymers and fibers properties. It has been drawing many attentions for using this method in textile finishing according to its benefits like no nesscity to water and or chemicals in the process, and less wastewater or ecological problems consequen...

The effect of low-temperature plasma treatment on the surface modification of cotton and polyester fabrics has been investigated. The experimental results show that the method is useful in improving the wettability of cotton and polyester fabrics. The surface resistivity of cotton and polyester is dramatically reduced after plasma treatment. Low-te...

Low temperature plasma is a useful technique to change the physical and chemical properties of textile materials. In this experiment, the effect of low temperature plasma discharge treatment (helium) on physical, mechanical and chemical properties of polypropylene fibers and fabrics has been investigated for the different duration with variation of...