Hassan Nosrati

Hassan Nosrati
Aarhus University | AU · Department of Clinical Medicine

Materials Science and Engineering (PhD) & Business Administration (DBA)
Researcher

About

64
Publications
16,842
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544
Citations
Introduction
I work on biomedicine, materials characterization techniques, bone tissue engineering, synthesis of nanomaterials, surface engineering, 3D-printing, data mining, energy materials, and software aided modelling.

Publications

Publications (64)
Article
In this study, we demonstrate the fabrication of three-dimensional reduced graphene oxide/hydroxyapatite (HA)/Gelatin scaffolds by employing two steps, including a hydrothermal autoclave with hydrogen gas injection to synthesize three-dimensional graphene (3DG)/HA powders and a hydrogel 3D-printing method to fabricate the scaffolds. Evaluations wer...
Article
In this study, we demonstrate enhanced mechanical properties of three-dimensional graphene/hydroxyapatite (3DG/HA) nanocomposites by employing the Taguchi method. The hydrothermal process time, the total pressure, the hydrothermal temperature, and the weight percent of graphene to the hydroxyapatite were considered as control parameters. The result...
Article
In this study, the two-state solvothermal method (180 o C) was used for the synthesis of hydroxyapatite nanoparticles. The former is traditional (2, 4 h), and the latter with argon gas injection (10 bar). To synthesize the powders, a solvent containing dimethylformamide, anhydrous ethanol, diethylene glycol, and water was used. Calcium nitrate tetr...
Article
Full-text available
In this study, we show the synthesis of reduced graphene oxide/hydroxyapatite (rGO/HA) composites using a hydrothermal autoclave with argon-15% hydrogen gas injection. This both increases the hydrothermal pressure and uses hydrogen as a reductive agent in the process. The synthesized powders were then consolidated with spark plasma sintering method...
Article
In this study, the Ti-6Al-4V substrate was coated by CrN-CrN/TiN-TiN and CrN/CrAlN multilayer coatings using the cathodic arc physical vapor deposition (Arc-PVD) method. The results of potentiodynamic polarization (PDP) have shown the lowest and highest corrosion current density belong to the double-layer (0.16 µA/Cm 2) and TiN (0.51 µA/Cm 2) sampl...
Article
Full-text available
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerged in Wuhan, China, in December 2020 and coronavirus disease 19 (COVID-19) was later announced as pandemic by the World Health Organization (WHO). Since then, several studies have been conducted on the prevention and treatment of COVID-19 by potential vaccines and drugs. Although, th...
Article
Full-text available
The synthesis of nanocomposites containing hydroxyapatite and graphene sheets has received much attention recently. Therefore, strategies that improve their properties will be useful. The aim of this study was to investigate the effect of diethylene glycol on the characteristics of hydroxyapatite-reduced graphene oxide powders synthesized by a hydr...
Article
Full-text available
Objective This study describes the occurrence of a silent mutation in the RNA binding domain of nucleocapsid phosphoprotein (N protein) coding gene from SARS-CoV-2 that may consequence to a missense mutation by onset of another single nucleotide mutation. Results In the DNA sequence isolated from severe acute respiratory syndrome (SARS-CoV-2) in I...
Article
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. T...
Article
Full-text available
In this study, a solvothermal method at the temperature of 180 oC for 4h was used for the synthesis of hydroxyapatite-reduced graphene oxide (HA-rGO) nanopowders by employing the nitrogen gas injection. To synthesize the powders, a solvent containing dimethylformamide, anhydrous ethanol, diethylene glycol, and water was used (1:1:1:2, respectively)...
Article
Full-text available
Parvalbumins are the most important fish allergens, which are heat-stable, classified in the family of calcium-binding EF-hand proteins, and contain one magnesium binding site. The functional connection between calcium and parvalbumin gives fish the high-speed swimming ability because of high concentration of Ca2+-binding parvalbumin in fish white...
Article
Full-text available
In this study, the effect of the argon, nitrogen, and hydrogen gases on the final properties of the reduced graphene oxide-hydroxyapatite nanocomposites synthesized by gas injected hydrothermal method was investigated. Four samples were synthesized, which in the first sample the pressure was controlled by volume change at a constant concentration....
Article
In this study, the mechanical characteristics of hydroxyapatite (HA) against the Vickers indenter under different loads were investigated. For this purpose, the HA powders were first synthesized by a one-pot solvothermal method. The powders were then subjected to consolidating by the spark plasma sintering (SPS) method for mechanical evaluation. Ch...
Article
Full-text available
Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the causative agent of coronavirus disease 19 (COVID-19) that was emerged as a new member of coronaviruses since December 2019 in Wuhan, China and then after was spread in all continentals. Since SARS-CoV-2 has shown about 77.5% similarity to SARS-CoV, the transcriptome an...
Article
Full-text available
In this study, hydroxyapatite-reduced graphene oxide (HA-rGO) powders were first synthesized in situ by a hydrothermal method. These powders were then consolidated using a cold sintering method. The solvent used in this method was water+ dimethylformamide+ Brushite which was added to the powders at different ratios. The sintered samples were then e...
Article
Introduction: There are different methods of coating. Depending on the benefits and limitations of each, one method will be optimal. Objective: The aim of this study is to synthesis SiC-SiO2 coatings with different percentages of SiO2 and SiC. Material and Methods: By changing the parameters affecting the sol, the percentage of SiO2 and SiC in the...
Article
Full-text available
Estudios recientes muestran una mejora de las propiedades mecánicas y biológicas de los fosfatos de calcio con la adición de grafeno. En este trabajo, el óxido de grafeno (GO) se propone para mejorar las propiedades de cementos de composición brushita. El principal objetivo es estudiar el mecanismo de nucleación de cristales de brushita sobre lámin...
Article
Full-text available
In this study, the hydroxyapatite (HA)-reduced graphene oxide (rGO) nanocomposite was investigated for its mechanical properties. The nanocomposite used in this study was made in two stages. The HA-rGO powders were first synthesized by hydrogen gas injected hydrothermal method, and then consolidated by spark plasma sintering. HA-rGO nanocomposite w...
Article
Introduction: Possibly the most important class of polymeric foams are polyurethane foams (PUFs), as their thermal conductivity and low density combined with their interesting mechanical properties make them excellent thermal and sound insulators, as well as structural and comfort materials. Objective: In this study, we demonstrate synthesis polyur...
Article
Full-text available
Since recent research indicates that the addition of graphene increases the mechanical and biological properties of calcium phosphates simultaneously, graphene oxide (GO) was used in this research to enhance the properties of brushite cement. The main objective of this study is to investigate the mechanism of nucleation and growth of brushite cryst...
Article
Full-text available
Background: The inaccuracy of DNA sequence data is becoming a serious problem, as the amount of molecular data is multiplying rapidly and expectations are high for big data to revolutionize life sciences and health care. In this study, we investigated the accuracy of DNA sequence data from commonly used databases using carbonic anhydrase (CA) gene...
Article
Introduction: Indentation (micro and nano) is one of the methods used to study the mechanical properties of brittle materials. This method is performed using various indenters such as Vickers, Cone, and Berkovich. Objective: In this study, bone like materials behavior against Vickers, Cone, and Berkovich indenters was investigated. Material and Met...
Article
Full-text available
In order to investigate the effect of graphene nanoribbons on the final properties of hydroxyapatite-based nanocomposites, a solvothermal method was used at 180 °C and 5 h for the synthesis of graphene nanoribbons–hydroxyapatite nanopowders by employing hydrogen gas injection. Calcium nitrate tetrahydrate and diammonium hydrogenphosphate were used...
Article
Full-text available
Background: Coronavirus disease 2019 (COVID-19) is an emerging zoonotic viral infection, which was started in Wuhan, China, in December 2019 and transmitted to other countries worldwide as a pandemic outbreak. Iran is one of the top ranked countries in the tables of COVID-19-infected and -mortality cases that make the Iranian patients as the poten...
Article
Introduction: Given that the biomaterials used in the body are directly related to human health, precision in such designs is very important. Objective: In this study, the effect of changing the mechanical properties of reduced graphene oxide-hydroxyapatite nanocomposites by changing the weight percentage of reduced graphene oxide was investigated....
Article
Full-text available
Introduction: One of the attractive ways to synthesize graphene-hydroxyapatite (HA) nanocomposites is the hydrothermal process that results in situ synthesis of graphene-HA hybrid powders. Objective: In this study, hydrogen gas was injected into a hydrothermal autoclave with varying initial pressures in order to investigate the effect of gas pressu...
Article
Full-text available
Introduction: HA and graphene have recently been added to gelatin as reinforcing phases (individually or together). These materials increase the mechanical and biological properties of gelatin and extend gelatin applications as tissue engineering scaffolds. Objective: In this study, the physical properties of these scaffolds were evaluated using sc...
Article
Full-text available
Introduction: For cell culture assays, different cells have been used so far, including Mouse osteoblast cells (MC3T3-E1), hFOB cells, fibroblast cell, Osteoblast-like MG63 cells, Human osteoblast cells (HFOB 1.19 SV40 transfected osteoblasts), Blood mononuclear cell (PBMC), mesenchymal stem cells (MSCs). Objective: In this study, the effect of gra...
Article
Full-text available
Introduction: So far, several studies have been performed on nanosized β-TCP synthesis. In most of these studies, the results showed that the size of the synthesized particles was greater than 80 nm. Therefore, a change in process will be very useful if it results in a further reduction in particle size. Objective: The main objective of this study...
Article
In this investigation, reduced graphene oxide/hydroxyapatite (rGO/HA) hybrid powders have been synthesized using hydrogen gas injection into hydrothermal autoclave. The powders were then consolidated with spark plasma sintering. The results showed that this method of synthesis caused the obtained powders to have high crystallinity. Microscopic anal...
Article
Full-text available
Introduction: Being known for an array of properties that favor hard tissue regeneration, ranging from osteoconductivity to biocompatibility to non-immunogenicity, and being the natural bone mineral phase hydroxyapatite (HA, Ca10(PO4)6(OH)2) is the natural bioceramic of choice for the reinforcement phase of biocomposites. Objective: The main object...
Article
Full-text available
Introduction: Dicalcium phosphate dihydrate (DCPD) is a member of the family of calcium phosphates (CP), which has many uses in bone cement. Recently, graphene and its derivatives have been studied to increase the biological and mechanical properties of CP structures and their results have been satisfactory. Objective: In this study, the main objec...
Article
Three dimensional graphene-hydroxyapatite (3DG-HA) powders were synthesized at various hydrothermal pressures and the effect of pressure change on the properties of the powder was investigated by the change in the volume of the solution. Graphene oxide, calcium nitrate tetrahydrate, and diammonium hydrogen phosphate solutions were used as a precurs...
Article
In this study, in situ formation of three dimensional graphene-hydroxyapatite using graphene oxide, calcium nitrate tetra hydrate, and diammonium hydrogen phosphate solutions in a chemical synthesis system was investigated. First, the solutions were mixed and calcium phosphate was precipitated on graphene oxide sheets followed by performing a hydro...
Article
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Conference Paper
Full-text available
The characterization of architectural coatings grown on the surface of AISI 430 stainless steel by an electrochemical coloration process was realized by mul¬tiple techniques. The interference colored coatings was grown in a sulphochro¬mic solution at room temperature by an alternating pulse current method. Color tones were achieved by appropriate c...
Conference Paper
Full-text available
Graphene is the most studied materials today. Two-dimensional graphene has specially attracted a lot of attention because of its unique electrical properties such as very high carrier mobility. Today there are several methods for the preparation of graphene. In the following some of these methods will be presented. Electrochemical approaches can be...
Conference Paper
Full-text available
Graphene has emerged as an exotic material of the 21st century, and received world-wide attention due to its exceptional charge transport, thermal, optical, and mechanical properties. However, the severe chemical conditions required to prepare graphene from naturally occurring graphite has become the biggest limiting factor for high scale graphene...
Conference Paper
Full-text available
Corrosion is a serious global problem. Chemical reaction occurs when metal surface comes in contact with oxygen in air, resulting metals being oxidized and corroded [1, 2]. Various methodshave been employed by the industries to protect metal from corroding, such as coating with othermetal(s), chemical modification, anodizing, using an oxide layer a...
Article
Full-text available
In this article, SiC (silicon carbide) Nanopowder was synthesized by sol-gel method. TEOS and sucrose were used as pricier source. Final gel were prepared by mixing in different stirring times and different ratio in pH= 4 and drying. This mixture was heated at 650 C and carbothermal reduction was carried out at 1500 C. XRD analyses showed that prod...
Article
Full-text available
This study was done in order to investigate the brightness property of soda paper produced from Bagasse. The paper samples were wetted using chelating agent of EDTA (Ethylene Diamine Tetra acetic Acid) in various concentration levels. This process neutralizes available metallic ions in paper samples. After drying wetted samples with EDTA, they are...
Article
Full-text available
Nickel coatings benefit from their high corrosion resistance and low porosity content. However, improving these properties seems to be necessary for special purposes which can be achieved through pulse plating. The most important parameters to enhance surface quality of Nickel pulse plating on ST12 steel have been discussed in this research. Morpho...
Article
Full-text available
Nanopowder silicon carbide (SiC) was produced in this research through chemical method. Saccharose and TEOS were used as precursors of C and Si. Gels were prepared by mixing the raw materials with different pH values followed by drying them. They were pyrolyzed at 650°C and then reduced using carbothermal operation. XRD results indicated that the p...
Article
Full-text available
Silicon Carbide Nanopowder (SiC) was produced in this research through chemical method. Saccharose and TEOS were used as precursors of C and Si. Gels were prepared by mixing the raw materials with different pH values followed by drying them. They were pyrolyzed at 650°C and then reduced using carbothermal operation. XRD results indicated that the p...
Article
Full-text available
Nickel coatings benefit from their high corrosion resistance and low porosity content. However, improving these properties seems to be necessary for special purposes which can be achieved through pulse plating. The most important parameters to enhance surface quality of Nickel pulse plating on ST12 steel have been discussed in this research. Morpho...
Article
https://irancoat.ir/n/%D8%AA%D8%A7%D8%AB%D9%8A%D8%B1-%D8%B6%D8%AE%D8%A7%D9%85%D8%AA-%D9%BE%D9%88%D8%B4%D8%B4-%D8%A7%D9%8A%D8%AC%D8%A7%D8%AF-%D8%B4%D8%AF%D9%87-%D8%A8%D9%87-%D8%B1%D9%88%D8%B4-inco-%D8%A8%D8%B1-%D8%AE%D9%88/
Patent
https://ipm.ssaa.ir/Search-Result?page=1&DecNo=13915014000301172&RN=76519
Book
http://opac.nlai.ir/opac-prod/search/briefListSearch.do?command=FULL_VIEW&id=2636590&pageStatus=0&sortKeyValue1=sortkey_title&sortKeyValue2=sortkey_author
Article
Full-text available
In this research, the effect of the age in young eucalyptus trees (in ages of 6, 8 and 10 years) on chemical compounds, for use in pulp and paper industry was studied. Chemical compounds for each age, have been repeated three times and the amount of hemicelluloses, cellulose, lignin, extractives and ash for 6 years old have been obtained relatively...
Article
Full-text available
An apparatus for measuring the wicking rise of water in fabrics has been developed and several types of fabrics were examined. The method is based on the electromagnetic field induction due to wicking penetration of water into capillary spaces of fabric samples. The measuring system is coupled with a personal computer, and the distance of water ris...
Data
ترکیب شیمیایی و کاربردها
Conference Paper
Full-text available
Two types of duplex stainless steels were deformed by torsion at a temperature range of 900 to 1200 °C and strain rate of 1.0 s-1 and their final icrostructures were observed. The austenite volume fraction of steel A (S32950) is approximately 25% at room temperature, after conventional annealing, while that of steel B (S31260) is around 55%. Experi...
Conference Paper
https://www.civilica.com/Paper-NAYRC02-NAYRC02_052.html
Book
https://www.adinehbook.com/gp/product/9642350117
Article
Full-text available
Bagasse flour was used as reinforcement of recycled high density polyethylene (rHDPE) in order to make composite material. Reinforcement was mixed in 20, 30 and 40 wt% levels with RHPP. Maleic anhydride polyethylene was also employed as chelating agent. The resultant composite was produced by injection molding technique. Results indicated that time...

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