Strength analysis of Cranioplasty PMMA flap material
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): R. Archana, Manish Baldia, J.B. Jeeva, Devakumar, Mathew JosephAbstractCranial defects are restored by surgical procedure called Cranioplasty and flaps were made using Poly Methyl Metha Acrylate (PMMA) material to fill the defect. PMMA flaps with different thickness and monomer compositions were made and strength analysis was performed. Samples with thickness of 9mm having highest dilution and samples with thickness of 5mm and lowest dilution were found to have skull bone equivalent strength. In Cranioplasty, the thickness of the flap d...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Effect of carbon based fillers on properties of Chitosan/PVA/βTCP based composite scaffold for bone tissue engineering
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Asif Ali, Saleheen Bano, Ruchir Priyadarshi, Yuvraj Singh NegiAbstractBone tissue engineering has been area of substantial research since few decades but still a gap exists when it comes to strength and healing tendency of biomaterials with respect to age group, accidental complications etc. Many researches are yet in progress to design a perfect material for bone regeneration. Our attempt in the present study is to develop a porous hybrid material based on Chitosan(CS)/Polyvinyl Alcohol(PVA)/ Beta Tricalcium Phosphate (β-TCP) comp...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Novel Approach for Nanobiocomposites by Nanoencapsulation of Lecithin-Clove oil within PVA Nanofibrous Web
In this study, we design and develop a bioactive nanofibrous material with multiple features such as analgesic and infection resistance by using a herbal moiety. These nanowebs comprised the nanoparticles of lecithin and clove oil which dispersed in Tween-20 and polyvinyl alcohol nanoemulsion and here finally electrospun to develop nanomat which can be used as a potential candidate in dental applications. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Effect of Pre-treatment and Calcination Process on Micro-Structural and Physico-Chemical Properties of Hydroxyapatite derived from Chicken Bone Bio-waste
This study reports the feasibility of isolation of hydroxyapatite (HA) from chicken bone bio-waste and the effect of pre-treatment and calcination process of bones on micro-structural and physico-chemical properties of HA. Chicken bones are treated with acid, alkali and acid-alkali solution followed by calcination at 700, 800 and 900°C respectively. The calcined bones are characterized and compared. It is found that acid treated bones calcined at 900°C yields pure phase of crystalline HA particles of size 600 nm with good pore morphology having pore diameter 208 nm, Ca/P atomic ratio of 1.653 and high thermal stabi...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Synthetic Osteogenic Matrix using Polymeric Dendritic Peptides for treating Human Periodontal defects – design and in vitro evaluation
We present the design and synthesis of guanidine appended polydiacetylene (G-PDA) as a cell adhesive matrix. Human periodontal ligament cell adhesion and differentiation on G-PDA matrix was evaluated to assess the feasibility of using the matrix for endogenous cell homing in periodontal regeneration. Guanidine appended polydiacetylene matrix proves to be a good substrate for cell homing, proliferation and differentiation. A well-designed scaffold using this material can lead to the regeneration of the periodontal bone. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Biofilm formation by S.aureus on composite scaffolds – A qualitative and quantitative in vitro analysis
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): G. Priya, R. Anitha, R. Akila, U. Narendra Kumar, I. ManjubalaAbstractFailure of implants is a serious concern in the orthopedic field, due to loosening of the parts or biofilm formation. This leads to secondary surgery increasing the cost for the patients. The analysis of the ability of the implants to be resistant to infection or susceptible to biofilm growth before implantation could minimize this issue. The aim of this study is to investigate the ability to form biofilm on composite scaffolds, made up of polymer and calcium phosphat...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Biological and Electrochemical Behaviour of Zirconia Modified 316L SS for Potential Biomedical Applications
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Gobi Saravanan Kaliaraj, Vinita VishwakarmaAbstractNumerous metallic implant materials have been used to replace various damaged or missed part of the body due to its strength, wear resistance and moderate corrosion resistant properties. However, the ideal implant characteristics such as bioactivity, hemocompatibility, corrosion resistance, mechanical strength, antimicrobial activity, etc are not usually achieved in single metallic implant materials. Hence, the surface tailored ceramics coating onto metallic materials will be a suitable...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Nailbed Image Acquisition and Feature Extraction
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): S. Haran Kumar, P. Vinoda, Deepali chaudhari, J.B. JeevaAbstractNailbed capillaroscopy is a basic and non-intrusive strategy for finding and examining different small scale vascular variations from the norm that happen in different systemic connective tissue sicknesses (SCTD), as in systemic sclerosis (SSc), it is also helpful in identifying cardiovascular anomalies, such as Raynold’s phenomena. The light source in this design comprises of 9 LEDs. Thus the light is focused onto the region of interest on the nailbed, so that it can...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

A Design of experiments Approach to Assess the Effect of Formulation and Process Variables on the Extrusion and Spheronization of abhrak bhasma Loaded spheroids
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Harish Gopinath, Murugesh ShivashankarAbstractThe aim of the current study is to determine the composition and process parameters and also to optimise formulation of spheriods using blanket burman design. The DoE study conducted using 3nos of Categorical factors and 8nos of numerical factor. Based on the outcome of the placebo DoE studies, the optimised formulation of the abhrak bhasma spheroids had been formulated and evaluated for its Invitro activity in cell lines.. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Review of Existing and Proposal of a New Shoulder Prosthesis Design
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): R. Krithika, Sharmila NageswaranAbstractShoulder, the ball and socket joint of the body have been one of the most used joint of the body that suffers wear and tear during the late adulthood. This paper reviews some of the pre-existing technology of shoulder implants. It also proposes a new design for increasing the stability of the shoulder joint also considering the mobility. The total shoulder prosthesis design that is discussed here would focus more on treating complications due to the instability of the joint like subluxation, dislo...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

In vitro biocompatibility and hyperthermia studies on synthesized cobalt ferrite nanoparticles encapsulated with polyethylene glycol for biomedical applications
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): M. Lickmichand, Crystal Sara Shaji, N. Valarmathi, Amy Sarah Benjamin, R.K. Arun Kumar, Sunita Nayak, Radha Saraswathy, S. Sumathi, N. Arunai Nambi RajAbstractThe magnetic cobalt ferrite nanoparticles (CoFe2O4) were synthesized by sol-gel combustion technique and encapsulated with polyethylene glycol (PEG). The phase formation and crystalline nature were confirmed by X-ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). The microstructure and elemental composition were characterized using Scanning Electron Microsco...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Design and antimicrobial activity of piperazine polymer nanocomposite
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Manohara Dhulappa Jalageri, Yashoda Malgar Puttaiahgowda, HariprasadAbstractEco-friendly technique was adopted for the preparation of piperazine polymer nanocomposites is developed via green synthetic route in one-pot approach. The structure and properties of polymer nanocomposite were confirmed by using UV-Visible spectroscopy, XRD and SEM. The synthesized piperazine nanocomposite showed very good antimicrobial activity against gram-negative bacteria Escherichia coli (5.0-11.6 mm diameter) and gram-positive bacteria Staphylococcus aure...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

A study of Inhalation Drugs in the Management of Asthma in Northern Parts of Tamilnadu
ConclusionIn asthma management, All the inhalation drugs in combination show better control and superior patients response in the management of asthma with more impact on economic aspects of the patients. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Synthesis of environmental-friendly polymer nanocomposite against pathogenic microorganism
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): N Akshatha, MP YashodaAbstractThe increased interest has grown towards polymer nanocomposite materials exhibiting unique properties. Currently, the importance of antifungal materials is growing in various fields. Since many years the silver compounds are known as disinfectants with broad-spectrum antimicrobial activity. Over 2,000 years ago silver compounds were recognized for their antibacterial activity. In comparison with other antibacterial agents, silver nanoparticles are obtained in simple process with high efficiency and sustaina...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Synthesis of hydroxyapatite from Labeo rohita fish scale for biomedical application
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Payel Deb, Emon Barua, Sumit Das Lala, Ashish B. DeoghareAbstractIn the present research, hydroxyapatite (HAp) is derived from fish scales which are discarded as waste material. Scales of Labeo rohita fish has been calcined at 1000°C after acid treatment for HAp synthesis. The calcined powder is characterized using FTIR and XRD that confirms the formation of HAp. TGA shows the HAp is thermally stable between 800-900°C. SEM analysis reveals highly porous morphology of the derived HAp confirming its application in the development ...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Synthesis of bacterial cellulose and herbal extract for the development of wound dressing
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): R. Pooja, Ketankumar Vadodaria, S. VidhyaAbstractBacterial cellulose (BC) has been extensively used in wound management as it has various unique features and it is biocompatible. The only disadvantage of BC is that it has poor antimicrobial property. There are various ways to modify the BC in order to optimize its antimicrobial activity and biocompatibility. Silver is already being impregnated into BC and it is widely used as wound dressing. This project highlights the properties and synthesis process of BC. The yield percentage of BC w...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Synthesis and Optimization of PCL-Bioactive Glass Composite Scaffold for Bone Tissue Engineering
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Raghav Soni, N. Vijay Kumar, Shibu Chameettachal, Falguni Pati, Subha Narayan RathAbstractBioactive glass is one of the promising material for filling bone defects. Though it provides proper mechanical strength, the major disadvantage of it, brittleness and insufficient elasticity, restricts its application for different bone defects. To compensate the mechanical instability of bioactive glass, we propose PCL a biocompatible and biodegradable polymer known for its mechanical property as a constituent of composite. The combination of a c...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Fast Responsive Soft Bio-mimetic Robotic Actuators
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Rohit Goyal, P. Lakshmi Madhuri, S. Krishna Prasad, Gurumurthy Hegde, P. Vivekananda ShanmuganathanAbstractSoft robotics is an exciting new paradigm in engineering that challenges researchers to re-examine the materials and mechanisms to make more versatile, life-like and bio-compatible actuator for human interaction. A wide class of materials come under this category with the stimuli being heat, light, electricity or magnetism. However, the current interest in such materials focuses on achieving flexible actuators which are amenable fo...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Development and Phantom study on Near-Infrared Diffuse Optical Tomographic Imager
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): A. Sathya, T. Deepan, C. Jim Elliot, J.B. JeevaAbstractNear‐infrared tomographic imaging of tissue can give structural anatomy data based on the attenuation coefficients and absorption spectra of biological tissue. The near infrared spectrum ranges from wavelengths of 650 to 1350 nm where the light has its maximum depth of penetration in tissue. The equipment developed with a diode laser source and an array of 32 photodiode detectors and was based on the 3rd generation CT in fan-beam with rotating source and detectors. The imager move...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Treatment of biowaste to pharmaceutical excipient
This study describes an effective treatment process to recover useful biomaterial from eggshell waste due to its potential application as pharmaceutical excipient and its utilization in pharmaceutical products. Egg shells are rich source of mineral salts, mainly calcium carbonate (about 94%). The egg shell CaCO3 was s ubjected to several chemical processes and recycled into pure CaCO3.The purity of the prepared calcium carbonate was within the pharmacopoeial limits and the findings indicated that it can be used as an alternative pharmaceutical excipient. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Characterization of hydroxyapatite derived from eggshells for medical implants
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Sumit Das Lala, Payel Deb, Emon Barua, Ashish.B. Deoghare, Sushovan ChatterjeeAbstractNano-sized Hydroxyapatite (HAp) powders are synthesized from natural bio-waste chicken eggshell. The synthesized powder is characterized using X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) which confirms the formation of HAp. Scanning Electron Microscopy (SEM) shows highly porous agglomerated HAp powder with average pore diameter of 276.3 nm. EDAX analysis reveals calcium and phosphate ratio (Ca/P) of 1.74 showing close res...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Squeeze Film Analysis of Three-layered Parallel Plate and Partial Journal Bearing Lubricated with Couple Stress Fluids for Skeletal Joint Applications
The objective of this study is to analyse the squeeze film load capacity characteristics of three-layered parallel plate and partial journal bearing lubricated with couple stress fluids for skeletal joint applications using one-dimensional analysis. The nondimensional squeeze film pressure is derived based on modified Reynolds equation. The couple stress fluids take into account of lubricant properties with additives are analyzed based on Stokes micro-continuum theory. The Brinkman model is utilized to model the flow in the porous region. In this work, bearing performance improvement under the influence of lubricants with ...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Surface modification of 316L SS with HAp nano-particles using PMEDM for enhanced Biocompatibility
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): Yubraj Lamichhane, Gurpreet Singh, Amandeep S. Bhui, Prabin Mukhiya, Purushottam Kumar, Bikram ThapaAbstractBiomaterials had been comprehensively studied for many decades. The main focus was to coat a bioactive film on substrate that enhances its wear resistance, corrosion resistance, life span, cell growth, etc. In our present work, powder mixed electrical discharge machining (PMEDM) was employed on 316L stainless steel well known biomaterial for hip and knee replacement to modify the surface using Hydroxyapatite nano-powder mixed diel...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Comparative study of hydroxyapatite prepared from eggshells and synthetic precursors by microwave irradiation method for medical applications
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 2Author(s): G. Vidhya, G. Suresh kumar, Vivekanan S. kattimani, E.K. GirijaAbstractRecently research on biogenic derived hydroxyapatite (HAp) is being focused. In the present study it is proposed to make a comparative analysis of microwave synthesised HAp derived from eggshell based calcium precursor with two commercial calcium soruces calcium nitrate tetrahydrate and calcium carbonate using EDTA as the organic modifier. The as-synthesized samples was characterized by XRD, FT-IR, SEM and EDAX. Comparative studies were carried out with eggshell deri...
Source: Materials Today: Proceedings - June 15, 2019 Category: Materials Science Source Type: research

Preface
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): N.B. Singh, W.B. Gurnule (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

3D structural analysis of construction materials using high-resolution computed tomography
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Cristin Umbach, Bernhard MiddendorfAbstractThe spatial analyses by means of high-resolution computer tomographic examination methods offer a new extended possibility of examinations and illustrations of the microstructure, which are particularly of great interest for construction materials. Material distributions, porosities with spatial pore distribution and formation, fibre orientation and distribution, crack courses etc. can be represented three-dimensionally (3D) in the building material structure. Many questions that arise in mater...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Geopolymer cement: Synthesis, Characterization, Properties and applications
This article reviews some aspect of geopolymers. (Source: Materials Today: Proceedings)
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Evaluation of Thermal and Mechanical properties of Styrene- Butadiene Rubber-nanocomposite by using Tin oxide as filler
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Rani V. Mankar, Wasudeo B. Gurnule, Kiran S. VajpaiAbstractThe Copolymer SBR- nano tin oxide composite was synthesized by emulsion polymerization technique. The nanocomposite SBR- nano tin oxide composition was characterized by elemental analysis and FTIR spectroscopy. Non-isothermal thermogravimetric investigations have been completed to decide their method of deterioration and comparative thermal strength. The thermal decay conduct of composites was examined by utilizing thermogravimetric techniques in air climate at a warming rate of...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Polyaniline-NiO Nanocomposites as Tunable Conducting Materials
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Hemshankar Saha Roy, Md. Mominul Islam, M. Yousuf A. Mollah, Md. Abu Bin Hasan SusanAbstractPolyaniline-NiO (PAni-NiO) nanocomposites with varying content of NiO nanoparticles (NPs) were prepared by in situ chemical oxidative polymerization of aniline in aqueous acidic solution containing dispersed NiO NPs and the electrical properties were studied using electrochemical impedance spectroscopy.The electrical conductivity and band gap energy (Eg) were correlated with the composition of the nanocomposites and discussed in terms of variatio...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Structural and room-temperature ferromagnetic properties of pure and Ni-doped TiO2 nanotubes
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Sandeep Kumar Singh Patel, Paramananda Jena, N.S. GajbhiyeAbstractDiluted magnetic semiconductor based on Ni-doped TiO2 has been synthesized by hydrothermal process and effect of Ni doping on structure, morphology and magnetic studies were investigated. X-ray Rietveld analysis confirmed that all the samples were TiO2 anatase structure without having any impurity phase. The lattice parameter and cell volume increased in Ni-doped TiO2 nanotubes. TEM micrograph reveals clearly the formation of TiO2 nanotubes with diameter of ∼8 nm. Mag...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Synthesis and characterization of PEDOT:PSS/ZnO nanowires heterojunction on ITO coated plastic substrate for light-emitting diodes
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Kanchana Shahi, RS Singh, Narendra P. Singh, Mariya Aleksandrova, Ajaya Kumar SinghAbstractIn this paper we report on heterojunction between the hole transporting polymerpoly (3, 4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT: PSS) and zinc oxide (ZnO) nanowires grown on an indium tin oxide (ITO) coated polyethylene terephthalate (PET) plastic substrate. For the fabrication of heterojunction simple and low cost solution methods are used. The deposited films and heterojunction are characterized by scanning electron microscope (SE...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

7-Hydroxy-6-Methoxy-Coumarian to be a Multifunctional Bioactive Natural molecule: A Theoretical Study
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Ashok Kumar Mishra, Satya Prakash TewariAbstract7-Hydroxy-6-Methoxy-Coumarian having molecular formula C10H8O4 is a naturally occurring bioactive molecule which has already been isolated from the leaves of Anthocephalus chinensis and been characterized via experimental spectral data; but the electronic structure parameters like optimized geometry, energy, multipole moments, molecular orbital, potential energy surface, vibrational spectra, UV-visible spectra and active principles of its bioactivity are yet to be elaborated. The present s...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Electronic Structure and Thermodynamic Properties of 4-n- heptyl-4́-cyanobiphenyl: A Computational Study
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Dipendra Sharma, Gargi Tiwari, Sugriva Nath TiwariAbstractStudy of structure–property relationship suggests that the number of carbon atoms in the alkyl chain of 4-n-alkyl-4́-cyanobiphenyl generates the nematic or smectic phase in the liquid crystal series. The 4-n-heptyl-4́-cyanobiphenyl (7CB) is a member of 4-n-alkyl-4́-cyanobiphenyl (nCB) homologous series, which is well known for its electro-optical properties. The 7CB compound is an enantiotropic liquid crystal. It exhibits nematic phase at 30.0°C and isotropic phase a...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Structural and Magnetic Studies of Zn Doped Nickel Nanoferrites Synthesize by Sol-gel Auto Combustion Method
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): P.S. Hedaoo, D.S. Badwaik, S.M. Suryawanshi, K.G. RewatkarAbstractA series of nanoferrites with chemical composition Ni1-XZnXFe2O4 (X=0.0 to 1.0) have been prepared by novel microwave assisted sol-gel auto-combustion method. Structural study was performed using XRD technique revealed prepared samples has single spinel phase. Precise value of lattice parameter was determined by plotting lattice parameters versus Nelson-Riley function. The value of lattice parameter shows increasing trend with content of Zn. This behaviour of lattice para...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Structural and dielectric properties of Bi2O3 doped polyaniline
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): R.K. Shukla, Divyanshi SrivastavaAbstractPolyaniline (PAni) / Bi2O3 composite are synthesized by electrochemical polymerization method. The structural analysis is made by X-ray diffraction. The surface morphology of these composites has been studied with Field electron scanning electron microscope. The dielectric properties have been studied as function of frequency ranging from 100 Hz to 5 MHz at room temperature. The dielectric constant and dielectric loss tangent both decrease with increase in the frequency of the AC signal. Similar ...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Hydrothermal fabrication of ternary NrGO-TiO2/ZnFe2O4 nanocomposites for effective photocatalytic and fuel cell applications
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): P. Suppuraj, S. Parthiban, M. Swaminathan, I. MuthuvelAbstractIn this work, the hydrothermal fabrication of NrGO-TiO2/ZnFe2O4 nanocomposites for its photocatalytic mineralization of aqueous Reactive Yellow 86 (RY 86) solution is investigated. In addition, fuel cell application is also investigated. Using FT-IR XRD, SEM and HR-TEM NrGO-TiO2/ZnFe2O4 is analyzed for its functional group, crystalline structure particle size and morphology. The presence of NrGO-TiO2/ZnFe2O4 is confirmed by XRD pattern. SEM images of NrGO-TiO2/ZnFe2O4, indica...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Synthesis, Characterization and Photoluminescence Studies of Organic Copolymer Resin
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Chetana Kohad, Wasudeo GurnuleAbstractThe present paper reports synthesis of copolymer resin and its metal complexes. Copolymer resins (8-HQ5-SAHMDAF-II) have been obtained using condensation method from 8-hydroxyquinoline-5-sulfonic acid, hexamethylenediamine and formaldehyde monomer by using 2M HCl as catalyst with efficient refluxed at about 124 0C to 126 0C temp up to five hrs. The copolymer metal complexes have been integrated utilizing the combined copolymers as ligand with few progress metal particles, for example, Cu2+, Ni 2+ an...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Conducting polyaniline/SnO2 nanocomposite for room temperature hydrogen gas sensing
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Nayana D. Sonwane, Monalisha D. Maity, Subhash B. KondawarAbstractMetal oxides have unique chemical and electrical properties due to which they are highly sensitive for various gases but require operating temperature more than 200 oC. Their sensitivity can be well improved at room temperature by using conducting polymers. In this paper, we report the preparation of polyaniline/tin oxide (PANI/SnO2) nanocomposites by in-situ polymerization for hydrogen gas sensing. As-prepared PANI/SnO2 nanocomposites were characterized by SEM, FTIR, XRD...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Microwave-mediated Fabrication of Mesoporous Bi-doped CuAl2O4 Nanocomposites for Antioxidant and Antibacterial Performances
We reported the fabrication of bismuth-doped copper aluminate nanocomposites (BiCuAl2O4 NCs) via microwave-assisted method for antioxidant and antibacterial performances. As-fabricated material was characterized by electron spectroscopy techniques like X-ray diffraction (XRD), Fourier transform infrared (FTIR), energy dispersive spectroscopy (EDS), diffuse reflectance spectroscopy (DRS), X-ray photoelectron spectroscopy (XPS), Raman, scanning electron microscopy (SEM) and BET. The structural and chemical state authentication of material was confirmed by XRD, FTIR, EDS, Raman and XPS, while morphology explored by SEM. The s...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Samarium doped ZnO nanofibers for designing orange - red light emitting fabrics
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Chaitali N. Pangul, Shyamkant W. Anwane, Subhash B. KondawarAbstractIn this paper, we report the orange - red luminescence from samarium doped ZnO nanofibers fabricated by Electrospinning. The as-prepared samarium doped ZnO nanofibers was examined by XRD, SEM-EDX, UV-VIS and FTIR characterizations. XRD revealed the presence of sharp peaks of ZnO in agreement with hexagonal wurtzite ZnO peaks. SEM explored the formation of ultralong smooth nanofibers. EDX revealed the presence of Zn, O and Sm peaks confirms the formation of samarium dope...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Development of Cd3(PO4)2/rGO Coupled Semiconductor System for Effective Mineralization of Basic Violet 10 (BV 10) under UV-A Light
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): S. Rajasri, B. Krishnakumar, Abilio J.F.N. Sobral, S. Balachandran, M. Swaminathan, I. MuthuvelAbstractInitially, novel Cd3(PO4)2 was prepared via precipitation method. It was loaded with different concentration of rGO to form rGO/CdP composites. The prepared rGO/CdP were used to degrade Basic Violet 10 (BV 10) dye under UV-A light irradiation. The optimized rGO/CdP composite was characterized along with pristine CdP and rGO by XRD, FT-IR, FT-Raman, BET, HR-SEM with EDX, HR-TEM, and UV-DRS analysis. The effect of initial dye pH in the d...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Coordination Polymers based on Terephthaloyl bis(isonicotinoylhydrazone): Synthesis, Structural Characterization and Thermal Analysis
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Mahejabeen Azizul Haque, L.J. PaliwalAbstractA new terephthaloyl bis(isonicotinoylhydrazone) (TPBI) bis-ligand has been synthesized by reacting isoniazid with terephthaloyl chloride. The chelating bis-ligand has been characterized using elemental analyses, ESI mass spectra, FTIR, 1H and 13C NMR spectroscopic techniques. The new Cu(II) and Zn(II) coordination polymers were prepared from terephthaloyl bis(isonicotinoylhydrazone) (TPBI) bis-ligand and characterized using elemental analyses, FTIR, UV-Visible spectra, magnetic moment values,...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

AC Conductivity and Dielectric Properties of TiCo Substituted Y-type Strontium Nano Hexa-ferrites Prepared by Sol Gel Auto-combustion
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Vijay V. Warhate, V.D. Badwaik, D.S. BadwaikAbstractSix compounds of polycrystalline NiMn Y-type strontium nano-hexaferrites substituted with Ti4+Co2+, having chemical composition Sr2NiMnFe12-X(TiCo)X/2O22 (0 ≤ x ≤ 2.5 with a step of 0.5) were formed by sol-gel auto-combustion route through microwave and sintered at 950 0C for 5 hr. The grain size of the prepared sample (x=0.5) measured from Scherer formula is 62 nm. The frequency dependant ac conductivity, dielectric constant and tangent loss were measured at room temperature in ...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Thermal and Electrochemical Properties of Protic Ionic Liquids and their Binary Mixtures with Water
In this study, a tertiary amine, diethylmethylamine (dema) was neutralized with sulphuric acid (H2SO4) and trifluoroacetic acid (CF3COOH) to synthesize two protic ionic liquids (PILs), [dema]HSO4 and [dema]CF3COO. Binary mixtures of the PILs and water over a wide composition range were prepared. Thermal properties of the PILs and their binary mixtures have been investigated by thermogravimetric analysis (TGA). Both [dema]HSO4 and [dema]CF3COO had thermal stability, characteristics of an ionic liquid and [dema]HSO4 was thermally more stable compared to [dema]CF3COO due to high DpKa of the constituent acid and base. The bina...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Microwave Assisted Synthesis, Characterization and Kinetics of Thermal Degradation Studies of a Terpolymer Resin
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): S.C. Srivastava, Mahejabeen Azizul Haque, L.J. PaliwalAbstractA terpolymer 4- Hydroxybenzoic acid – Urea - Formaldehyde (4-HBAUF) has been synthesized by microwave irradiation technique with 1:1:2 molar ratios of the monomers respectively, in 2 M HCl medium at 300 W for 15 minutes. The characterization and the structural elucidation of the terpolymer have been performed by elemental analysis, electronic, FTIR and 1H NMR spectral studies. The surface morphological study of the polymer has been carried out by scanning electron micro...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Luminescence Properties Of Rare Earth Sm3+ and Tb3+ Doped Ca3Al2O6 Phosphor For Solid State Lighting
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): A.N. Yerpude, G.N.Nikhare, S.J. Dhoble, N.S.KokodeAbstractThe luminescence properties of Ca3Al2O6 doped with rare earth Sm3+ and Tb3+ prepared by self propagating combustion synthesis has been reported. The powdered X-ray diffraction study indicates the formation of desired phase of the sample. The photoluminescence study of Ca3Al2O6:Sm3+ reveals the orange – red emission at 567 nm and 603 nm monitored at 407 nm excitation wavelength, attributed to 4G5/2 →6H5/2, 6H7/2 transition of rare earth Sm3+. The Ca3Al2O6:Tb3+ phosphor ...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Synthesis and Characterisation of New Copolymer Resin Derived from 4-Hydroxybenzoic Acid and Adipamide
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Mangesh B. Thakre, Wasudeo B. GurnuleAbstractA new copolymer 4-hydroxybenzoic acid – Adipamide –Formaldehyde resin was synthesized using 2M HCl as a catalyst by condensation of 4-hydroxybenzoic acid and adipamide with formaldehyde. The copolymer resin composition has been determined on the basis of elemental analysis. The number average sub-atomic mass of the resin was dictated by conductometric titration in a non-aqueous medium, viscometric estimations in dimethyl suphoxide were done to ascertain the trademark capacities an...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Novel biosynthesis of silver nanoparticles for catalytic oxidation of Alcohols containing aromatic ring
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Umesh K. Warghane, Raksha P. DhankarAbstractIn the present investigation, green synthesis of silver nanoparticles from plant extract of Ehretia laevis have been studied for their catalytic performance towards the oxidation of alcohols containing aromatic ring into the corresponding aldehydes. The synthesis of nanoparticles and purity was confirmed by UV-visible analysis, scanning electron microscopy (SEM), transmission electron microscope analysis (TEM) and XRD analysis. SEM analysis showed cubical and relatively uniform shape of nanopa...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Mechanical properties of concrete in presence of Iron filings as complete replacement of fine aggregates
Publication date: 2019Source: Materials Today: Proceedings, Volume 15, Part 3Author(s): Satyaprakash, Pashtoon Helmand, Shikha SainiAbstractDepletion of natural resources and its effect on the environment is increasing with the need of more building materials for increased construction. To achieve a balance between the materials used and saving the planet from the hazards of using the materials, the authors have experimented with the suitability of iron filings (metal waste) as a complete replacement of sand in the production of concrete so as to reduce the effect of sand mining on the environment. It has been found that b...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research

Control of the Porosity and Morphology of Ordered Mesoporous Silica by Varying Calcination Conditions
In this study, mesoporous silica (SBA-15) was prepared using pluronic P123 surfactant as the structure-directing template, HCl as catalyst and tetraethyl orthosilicate as the silica source. SBA-15 prepared were then dried at 110 oC and calcined at different temperatures (200-700 °C) and were characterized in detail by Fourier transform infrared spectrophotometer (FTIR), scanning electron microscope (SEM), thermogravimetric analysis (TGA) and BET surface analyzer. FTIR analysis shows that silica calcined at 110 and 200 oC show characteristic bands for the surfactant which diminishes at 300 oC; indicating incomplete remo...
Source: Materials Today: Proceedings - June 14, 2019 Category: Materials Science Source Type: research