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RISS 인기검색어
- 검색키워드
- 저자 : Dhinakaran Veeman (검색결과 4 건)
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Dhinakaran Veeman,Duraisami Dhamodharan,Mohankumar Subramaniyan,G.J. Surendhar,Chunhui Yang,Hun-Soo Byun 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.125 No.-
Polymer composites have a great scope which provides improvised mechanical and chemical propertiesthan matrix material. Although most composite materials are relatively strong, they are not sustainable. The sustainability and reusability of the material is significantly affected by the incorporation of nondegradablefillers. Bael bark is a naturally occurring material with numerous medical properties; in thisstudy, Bael bark was dried, synthesized and converted into nano-filler for integrating them in polylactide(PLA) matrix. PLA is a widely used biopolymer in the biomedical sector. The filler and matrix material areboth biodegradable; therefore, the resulting composite is also expected to be biodegradable. This studyaims to develop a composite comprising Bael bark and PLA, which is a better alternative to PLA in termsof strength and sustainability. Bael bark-reinforced PLA matrices were synthesized with different Baelbark compositions, i.e., 5 wt.%, 10 wt.%, 15 wt.%, and 20 wt.%. Subsequently, the resulting compositeswere subjected to filament characterization tests such as single fiber tensile test (SFTT), scanning electronmicroscopy (SEM), and X-ray diffraction (XRD). Notably, all extruded composites exhibited a uniform distributionof filler materials. Tensile, compression, and flexural tests were also conducted on the additivelyfabricated samples. The tensile strength, compressive strength and Flexural strength of composite specimenswere higher than neat PLA material, with increments of 39%, 33.8%, and 33.9%, respectively, for thecomposite made with 15 wt.% composites. Using a commercial finite element code ABAQUS, numericalsimulations were performed on tensile, compression and flexural specimens. The simulation resultsare in good agreement with the experimental results.
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DURAISAMI DHAMODHAR-AN,Veeman Dhinakaran,Radhika Nagavaram,Pradnya Prabhakar Ghoderao,Hun-Soo Byun,Lixin Wu 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.107 No.-
Waterborne epoxy (WEP) resins are of great significance as multifunctional properties recently. Nevertheless, their curing process, which involves the formation of numerous micro-pores via waterevaporation, has limited applications in the industrial utilizations. In this work, we have synthesizedand enhanced the water-dispersible Zirconium phosphate decorated graphene oxide (ZrP@GO) nanocompositesthrough a one-step preparation method of graphene oxide (GO) sheets decorated with ZrPnanoparticles, and the as-prepared ZrP@GO nanocomposites were introduced as nanofillers for WEP systemin order to enhance its multifunctional properties. The as-prepared GO, ZrP, and ZrP@GO hybridswere scrutinized by XRD, XPS, Raman, TGA, and its morphology study were investigated with the assistanceof AFM, TEM, and FESEM. The anticorrosive properties were analyzed using natural salt spray tests(NSS). The ZrP@GO mixed WEP coatings exhibit better protection towards corrosion when compared toWEP/GO and WEP/ZrP coatings. Also, the excellent mechanical and thermal properties were achievedwith the incorporation of ZrP@GO hybrids with the WEP system. The better performance of ZrP@GOwas achieved through enhanced dispersion, exfoliation, and the outstanding shielding effect of the smecticaligned layers of ZrP@GO hybrids. Besides, a finite element model proposed through this research topredict the tensile behaviors are good in agreement with the measured vales.
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A review on graphene oxide effect in energy storage devices
DURAISAMI DHAMODHAR-AN,Pradnya Prabhakar Ghoderao,Veeman Dhinakaran,Suhail Mubarak,Nidhin Divakaran,Hun-Soo Byun 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.106 No.-
This article contributes a broad analysis of the latest improvement on energy storage operations usingsingle layer surface modified graphene oxide (GO). GO, a thin structure of graphite oxide, is a modifiedgraphene, holding several oxygen-casing functional groups. This provides GO with numerous distinctivefeatures for multipurpose applications in capacitors, fuel cells and batteries. Precise applications are distinguishedprimarily comprising use in electrodes as the dynamic substantial’s to augment the recital oras substrates to discriminate the configurations, in solid-state solution and membranes techniques toadvance the ionic attraction and other behaviors, and in internal structure layers to guard the currentcollectors, membranes or electrodes. Additionally, the problems, difficulties and looming overlooks areconferred in the article for promising promotes research development of GO applications.
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Carbon nanodots: Synthesis, mechanisms for bio-electrical applications
DURAISAMI DHAMODHAR-AN,Hun-Soo Byun,M. Varsha Shree,Dhinakaran Veeman,L. Natrayan,B. Stalin 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.110 No.-
Due to the exceptional optical properties such as biocompatibility, and low toxicity, carbon nanodots(CNDs) have emerged as a potential material for biosensing, drug delivery, and bioimaging. As a result,CNDs preparation, properties, and applications have sparked much attention. Its advantages include greatbiocompatibility in vitro and in vivo, photobleaching resistance, ease of surface functionalization and bioconjugation,excellent colloidal stability, environmentally safe manufacturing, and low cost. This allowedCNDs to replace traditional fluorescent heavy metal-containing semiconductor quantum dots or organicdyes. CNDs have demonstrated a wide range of applications, despite the fact that the mechanism of theirphotoluminescence remains a mystery. In this review, we examine current advancements in the field ofCNDs and provide a complete overview of their synthesis techniques and emission processes along withtheir applications in biosensing, drug delivery, bioimaging, wound healing, and disease detectionbiosensors.
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