Akram Jabur

University of Technology, Iraq · Department of Materials Engineering

Objective: This study aimed to enhance osseointegration and healing by combining electrospinning techniques with collagen and polycaprolactone (PCL) as a coating for commercial pure titanium (CpTi) implants. Methods: In vitro experiments utilized glacial acetic acid as a solvent system to create collagen/PCL coatings with varying PCL concentrations...

This study involves fabrication a nano-membrane of collagen and polycarbolactone by electrospinning and depositing into alginate films prepared by casting method to serve as a scaffold for tissue engineering. Collagen extracted from bovine skin showed poor ability to electrospun, so polycaprolactone (PCL), a synthetic polymer commonly used in t...

Background and Objective: Even though dental implants have a high success rate, the most frequent implant dentistry problem is peri-implantitis. With increased bacterial resistance to antibiotic, the herbal products are more preferred. This study aimed to find a concentration of aqueous cinnamon extract that prevents the patient's anaerobic bacteri...

Titanium surface modifying for the implants by chemical and physical methods generally used with the aim of achieving better osseointegration. This study examines the effects of thermochemical treatments on titanium's nanoscale surface. The physical properties of the surface and topography of CPTi are influencing the outcomes of implant surgery. Me...

To enhance the properties of titanium for implant applications,PCL/Chitosan/cinnamon watery extract composite were deposited on commercially pure titanium specimens using electro spinning technique . Water contact angle and surface roughness(Ra) tests were conducted, revealing significantly increased Wettability and(Ra) in the coated samples,...

Dental implants inserted into the jawbone, where they fuse to provide a stable, durable foundation for restorations. However, even the best dental implants can fail. Therefore, researchers focus on developing surface coatings for implants to enhance Osseointegration. Objectives of this study are to form a biodegradable scaffold by electrospinning o...

Biofunctionalization of an implant using functional ceramics with exceptional electrical characterization, such as BaTiO3 and SrTiO3, has gained considerable attention in creating a composite coating with bio-polymer to activate metal implant surfaces for bone tissue engineering applications and, at the same time, resist bacterial infection. A Ti–Z...

The Tmrees Committee would like to welcome you, academics and delegates coming from different countries to participate and enhance the value of the "International Conference on Technologies and Materials for Renewable Energy, Environment and Sustainability", Tmree22Fr held over the period from the 09 to the 11 of May 2022 in Metz, GrandEst , France...

Tere is a critical need in orthopedic and orthodontic clinics for enhanced implant-bone interface contact to facilitate the quick establishment of a strong and durable connection. Surface modifcation by bioactive multifunctional materials is a possible way to overcome the poor osteoconductivity and the potential infection of Ti-based implants. Ti-2...

In this study, a synthetic scaffold was prepared from polycaprolactone (PCL) and polyurethane (PU) blend, in a ratio of [2:1] [PCL: PU], using electrospinning technique. Electrospun scaffolds from native PCL and PU were also prepared for comparison, using the same polymer concentration 15% weight/ volume w/v. The detailed microstructure and other p...

Metoprolol tartrate (MPT) loaded polycaprolactone (PCL) scaffold as drug delivery system (DDS) in the treatment of Chronic cardiovascular diseases were set by electrospinning. In specific, MPT loading methods and PCL concentration on fibers morphology, fibers size, and MPT release ratio were investigated. It was seen the average fiber diameter incr...

In this work, sand/zinc oxide (ZnO) nanorods (NRs) have been successfully fabricated on the sand particles using the sol-gel immersion method.The sand/ZnO NRs/custom made immersion methods have successfully composited tri-chain hyper-branched (TC14)-graphene oxide (GO) and sand/ZnO NRs/sodium dodecyl sulfate surfactant (SDS)-GO. The FESEM images sh...

Composite material membranes as fibers were produced by using electrospinning technology and these membranes characterized and evaluated their properties and performance in this research. Multi-walled carbon nanotubes impregnated in a polystyrene matrix to produce the composite membranes. The hydrophobicity of the membrane was improved by the compo...

Electrospinning is considered a promising technology for encapsulating and loading various drugs into nanofibers. Metoprolol tartrate (MPT), hydrophilic therapy, was used as model drug. Metoprolol tartrate was loaded into poly(ɛ-caprolactone) (PCL) via blend and emulsion electospinning. The preparation processes, morphology, chemical structure therm...

New blend material membranes as fibers produced by electrospinning technology and these membranes were characterized and evaluated their properties in this research. Polyacrynitrile polymer mixed physically with polystyrene to produce the blend membranes. FTIR confirm the occurrence of polymeric blends by establishing the absence of new chemical re...

Expanded Polystyrene (EPS) solutions with a percentage of (30 wt. %) were prepared followed by the fabrication of micro-fibers membranes by electrospinning technique. To study the voltage's effect of electrospinning device on EPS micro-fibers membranes, different voltages (10, 12, 15, 18, 24, and 30) KV were experimented. The characterization of th...

Expanded Polystyrene (EPS) solutions with a percentage of (30 wt. %) were prepared followed by the fabrication of micro-fibers membranes by electrospinning technique. To study the voltage's effect of electrospinning device on EPS micro-fibers membranes, different voltages (10, 12, 15, 18, 24, and 30) KV were experimented. The characterization of th...

Polystyrene micro-fibers (PS) membranes with (20 wt. %) concentration were fabricated by electrospinning technique. Polystyrene micro-fibers membranes were sulfonated at different periods (I, 2, 3, and 4) hr. using 20% diluted sulfuric acid. Sulfonation reaction was used to enhance proton conductivity which is an essential property of electrolyt...

Fuel cells are one of important renewable energy sources represent scientific trends of contemporary researches that seek to find better alternatives to solve the negatives of organic fuels and biological damage to humans, environment and atmosphere. The most vital part in hydrogen fuel cells is the cation exchange membranes whose special and criti...

Conductive polymer films were prepared from poly (methyl methacrylate) PMMA with (0, 0.3, 0.5, 0.7, and 0.9) wt. % of iodine, using electrospinning technique. A decrease was noticed in the polymer solution viscosity with increasing the iodine weight percentage while both surface tension and electrical conductivity of the polymer solutions were incr...

Conductive polymer films were prepared of polyvinyl alcohol (PVA) with (0, 2, 4, 6, 8, and 10) wt. % multiwalled carbon nanotubes (MWCNTs) by electrospinning technique. The morphologies of the synthesized films were tested by scanning electron microscopy (SEM). Average fiber diameters gauged statically was (115nm) for (PVA/10 wt. % MWCNT film) whil...

Fuel cells are one of important renewable energy sources represent scientific trends of contemporary researches that seek to find better alternatives to solve the negatives of organic fuels and biological damage to humans, environment and atmosphere. The most vital part in hydrogen fuel cells is the cation exchange membranes whose special and criti...

Electrospun technique used to prepare PVA polymer with (2, 4, 6, 8 and 10) CuCl2 wt.% nanofibers membarance as thin films conductive polymers, morphology and average fibers diameters measurement statically by Electron microscopic image ,which obtain (115 nm) as average diameter of pure PVA. The nanofibers films show improved the DC&AC electrical co...

Poly (methyl methacrylate) doped with (0, 0.3, 0.5, 0.7, and 0.9) wt. % of bromine additives conductive polymers films were prepared by electro spinning technique. The polymeric solution investigation lead that increasing the bromine weight addition decrease viscosity and increase both surface tension and electrical conductivity . The morphology o...

Electrospun technique used to prepare PVA polymer with (2, 4, 6, 8 and 10) CuCl2 wt.% nanofibers membarance as thin films conductive polymers, morphology and average fibers diameters measurement statically by Electron microscopic image ,which obtain (115 nm) as average diameter of pure PVA. The nanofibers films show enhancing the DC electrical cond...

District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...

Abstract. Burns and skin necrosis is considered as one of the major problems faced in the medical field and a lot of researches are focusing on developing tissues as substitutes for damaged skin using many fabrication methods. Electrospinning is one of the most important fabrication methods used for scaffold preparation, by providing fibrous struct...

The zinc oxide (ZnO) nanorods (NRs) (4 hours) and nanowires (NWs) (12 and 24hours) were synthesized on the magnesium ZnO (MgZnO) seed layer by using sol-gelimmersion method. The ZnO NRs and NWs were characterized by FESEM, XRD, UV-Vis andfour-point probe measurement. The FESEM images showed uniform, dense and verticallyaligned structure. The smalle...

Synthesis and Characterization of Nanoferrite Functionally Graded Materials by using prepared Nano Powder. In this patent the synthesis of nano ferrite by using sol- gel auto combustion method and the fabrication of hard- soft functionally graded materials has been studied: First, the preparation of nano barium ferrite from the barium nitrite and...

global research community, in order to discuss, present and network the latest developments and innovations in sustainability; as well as funding opportunities. Conference Topics Include, but are not limited to: Topic1: Physics, Materials Science & Engineering T1- Physics of Advanced Materials, Condensed Matter Physics, Energy Materials, Nanotechno...

Sulfonated electrospun polystyrene SPS fibers were prepared by electrospininig technique . Solution of 30 wt.% PS in DMF (N,N-dimethylformamide ) were prepared , (PS) electrospun films were fabricated by electrospinning technique . Sulfonation reaction were introduced by immersion the PS electrospun films in diluted sulfuric acid (H2SO4) of concent...

One of the problems associated with polymeric blend composites is how to make the components adhere. In this work, the effect of introducing polyvinylpyrrolidone (PVP) to binary polymeric blends was studied. Two sets of ternary polymeric composites were prepared using twin-extruders: the chemical composition of the first set consisted of Polypropyl...

Remove Metals Ions and bacteria from Drinking Water Filters prepared by Electrospinning Technique Abstract: - An increase in the world water pollution has been denoted over the past 30 years. With a rise in water pollution, enhanced filtration and heavy metal remediation methods are imperative. In this research, the polymeric solution of Nylon 6 ha...

Electrospinning technique was used for the preparation of "conductive polymer films" from PVA / with (0, 1, 2, 3, 4 and 5) wt. % Cu nanoparticles. "Morphology" test of synthesis films via "SEM", the average diameters of fibers mensuration was (85 nm) for (PVA/ 5 wt. % Cu NPs film). Increasing (Cu NPs) concentration Leads to promoting the (DC)" elec...

“TMREES Conference Series” aims to promote sustainable, healthy and diverse ecosystems; encourage and support the Sustainability and development of security systems through green-based and clean resources, bringing together participants from international organizations, universities, industry and administrative to exchange innovative ideas, explore...

In this study, three different polymers were used to produce electrospun scaffolds, polyvinyl alcohol (PVA) in a concentration of 8% w/v, nylon 6 in a concentration of 25% w/v, and poly (vinylpyrrolidone) (PVP) in a concentration of 4% w/v. These three polymer solutions were electrospun at different flow rates, to compare the effect of flow rate on...

Zinc oxide nanorods (ZnO NRs) / reduced graphene oxide (rGO) nanocomposites assisted by sodium dodecyl sulfate surfactant (ZnO NRs/rGO-SDS) showed a good response for UV sensor application that has sensitivity of around ~32.54. Whereas, the UV sensor response on pristine ZnO NRs showed almost 15 times lower response than the ZnO NRs/rGO-SDS nanocom...

Functionally graded materials (FGMs), with ceramic –ceramic constituents are fabricated using powder technology techniques. In this work three different sets of FGMs samples were designed in to 3 layers, 5 layers and 7 layers. The ceramic constituents were represented by hard ferrite (Barium ferrite) and soft ferrite (lithium ferrite). All samples...

Nano films of nylon 6 and polyaniline (0, 1, 2, 3, 4, 5, and 6 wt. %) were prepared by the electrospinning technique. The addition of polyaniline increased the electrical conductivity of nylon 6. Pure nylon had an electrical conductivity of 3.8 × 10⁻³ S/cm, while the conductivity of nylon 6 with 1% polyaniline was 10.2 × 10⁻³ S/cm. In addition, the...

Chitosan/nylon-6 nanofibres with antibacterial activity properties were prepared by electrospinning a chitosan/nylon-6 solution (containing medium molecular weight chitosan). Nanofibres with diameters in the range of 139-190 nm were obtained. The yield of low concentration chitosan/nylon-6 nanofibres was higher than that of high concentration chito...

In this paper, (Nylon-6) spider-net containing (dioxide titanium) nanoparticles were electro spun to produce nanofiber membrane with (TiO 2 NPs). Characterization of the nanofiber membrane containing (TiO 2 NPs) were done by (SEM) and (EDX) analyses. Pure (Nylon-6) nanofibers with an average diameter of (139 nm) were produced while (TiO 2) additive...

District heating networks are commonly addressed in the literature as one of the most effective solutions for decreasing the greenhouse gas emissions from the building sector. These systems require high investments which are returned through the heat sales. Due to the changed climate conditions and building renovation policies, heat demand in the f...

Electro spinning is regarded as an active technique for producing biomimetic scaffolds used in tissue engineering applications from synthetic and natural polymers. The technique used in this research gives the ability to produce bio-polymeric materials for fabricating engineered scaffold tissues by preparing (PVA) solution. Ambient temperature at (...

The nanofibers of nickel ferrite (NiFe 2 O 4) was prepared by electrospinning technique. Nickel nitrate hexahydrate, iron nitrate nonahydrate, Polyvinylpyrrolidone (PVP) and N-dimethylformamide (DMF) were used as precursor materials. Crystallization behavior of the nanofibers was studied by X-ray diffraction (XRD). Nanofibers phases can change from...

This study focuses on the preparation of a synthetic tissue from a biodegradable polymer that can be used for soft tissue applications using electrospinning technique. Biodegradable thermoplastic polymer which is polycaprolactone (PCL) used for making electrospun scaffolds in three concentrations (10, 15 and 20%) Weight/Volume PCL. The results reve...

Functionally graded materials (FGMs), with ceramic –ceramic constituents are fabricated using powder technology techniques.In this work three different sets of FGMs sample were designed in to 3 layers, 5 layers and 7 layers. The ceramic constituents were represented by hard ferrite (Barium ferrite) and soft ferrite (lithium ferrite). All samples si...

Bacterial water pollution is a genuine general wellbeing concern since it causes various maladies. Antimicrobial nanofibers can be integrated by incorporating nanobiocides, for example, silver nanoparticles into nanofibers. Nylon 6 was dissolved in formic acid at a concentration of (25 wt. %) and tough antibacterial (AgNO 3 /Nylon) nanofibers were...

Certificate of attendance for (Nano Air Filter) Patent has awarded gold medal in Egypt invention 1-3 march 2017

Mixed matrix nanofibres membranes were prepared, characterized, studied and evaluated for performance and properties in this research. Acid oxidized Multiwall carbon nanotubes MWCNTs embedded in Nylon 6 as matrix polymer were the materials used to create the prepared membranes. Through; the electrospinning process, the hydrophilicity of the membran...

Synthesis of magnetic nanofibers by electrospinning technique using cheap materials salts Abstract Ferrite is a ceramic material used in several applications and in the manufacture of various devices such as permanent magnets, storage units (memory), microwave devices, and in communications equipment and many more. Ferrite has a wide range of elec...

In this research, the preparation of PVA membranes by electrospinning was studied. The influence of processing parameters, i.e., applied voltage, flow rate and spinneret-to-collector distance was investigated. More comprehensive characterizations of the nanofiber membranes, including fiber diameter, by statistical determination from (SEM) images. P...

In this research, the preparation of PVA membranes by electrospinning was studied. The influence of processing parameters, i.e., applied voltage, flow rate and spinneret-to-collector distance was investigated. More comprehensive characterizations of the nanofiber membranes, including fiber diameter, by statistical determination from (SEM) images. P...

Bacterial water pollution is a genuine general wellbeing concern since it causes various maladies. Antimicrobial nanofibers can be integrated by incorporating nanobiocides, for example, silver nanoparticles into nanofibers. Nylon 6 was dissolved in formic acid at a concentration of (25 wt. %) and tough antibacterial (AgNO 3 /Nylon) nanofibers were...

The composite powders of barium-lithium ferrite were prepared using sol-gel auto-combustion method. The X-ray diffraction (XRD) and Vibrating Sample Magnetometer (VSM) were used to investigate the structural and magnetic properties of composite samples. The X-ray diffraction characterization showed the formation of hexagonal structure related to Ba...

Electrospinning has recently emerged as a leading technique for generating biomimetic scaffolds made of synthetic and natural polymers for tissue engineering applications. In this study, we prepared polyvinyl alcohol (PVA) solution as biopolymer material for fabrication of scaffolds tissue by electrospinning, we optimized the shape and size of the...

Nano Air filter foe nano Particles caputure

An increase in the world water pollution has been denoted over the past 30 years. With a rise in water pollution, enhanced filtration and heavy metal remediation methods are imperative. In this research, the polymeric solution of Nylon 6 had been prepared with (AgNO3, MWCNT, TiO2-NPs and Chitosan) as additives for preparing the water nanofiber memb...

Abstract Preparation and Characterization of an Artificial Tissue Using Polymer Blend by Electrospinning Technique. This work focuses on the preparation of artificial tissues from biodegradable polymeric materials, using electrospinning technique, with studying some of the mechanical, physical, and biological properties, to determine the suitabil...

To fabricate filter with nano scale dimension porosize for air filter application ,electrospinning technique to nylon 6 polymer solution (10%) dissolve in formic acid ( 99.9% purity)solution in room temperature is used . Controlling the preparation condition ,polymeric solution and ambient conditioning to the resulted fibers diameters and porosize...