scholarly journals Synthesis and Characterization of the Chitosan Silver Nanoparticle-Reinforced Borassus flabellifer Trichome- and Prosopis juliflora Wood-Based Nanocomposite for Environmental Application

2021 ◽  
Vol 2021 ◽  
pp. 1-6
Author(s):  
Ch. Nanda Krishna ◽  
Madhavi Katamaneni ◽  
Kalyan Chakravarti Yelavarti ◽  
B. Sobhan Babu ◽  
B. Ravi Kumar ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
Spectroscopic Analysis ◽  
Prosopis Juliflora ◽  
Sem Analysis ◽  
Ftir Analysis ◽  
Environmental Application ◽  
Flexible Material ◽  
Characterization Study ◽  
Uv Visible

Wood is a wide flexible material appreciated extremely for its cost-effectiveness, great quantity, and biocompatibility. In addition, naturally existing materials possess prominent biomedical applications, and they can withstand efficiently when compared to other materials like glass, steel, and plastics. The present study revealed the prepared chitosan, silver nanoparticles incorporated with Borassus flabellifer trichome, and fabrication of Prosopis juliflora wood-based biomaterial. A characterization study was done by UV-visible spectroscopic analysis, FTIR analysis, and SEM analysis expressing and confirming a significant characteristic and morphological property of the prepared biomaterial.

Preparation and Characterization of Blended Composite Membranes

2012 ◽  
Vol 488-489 ◽  
pp. 506-510 ◽  
Author(s):  
Sikander Rafiq ◽  
Zakaria Man ◽  
Abdulhalim Maulud ◽  
Nawshad Muhammad ◽  
Saikat Maitra
Keyword(s):  
Spectroscopic Analysis ◽  
Sol Gel ◽  
Composite Membranes ◽  
Hybrid Membranes ◽  
Ftir Analysis ◽  
Dsc Analysis ◽  
Scanning Calorimetry ◽  
Thermal Stability Of ◽  
Scanning Electron

Composite membranes were prepared by incorporating inorganic silica nanoparticles into blends of polysulfone/polyimide (PSF/PI) membranes via sol-gel route. Morphological structures of the developed membranes were carried out by scanning electron microscopy (SEM). Spectroscopic analysis of the hybrid membranes were done by fourier transform infrared spectroscopy (FTIR) analysis. Differential scanning calorimetry (DSC) analysis shows that the glass transition temperature (Tg) increased from 209oC to 238oC in the hybrid membranes followed by thermogravimetric analysis (TGA) that showed significant improvement in thermal stability of the developed membranes.

scholarly journals Adiantum philippense L. Frond Assisted Rapid Green Synthesis of Gold and Silver Nanoparticles

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Duhita G. Sant ◽  
Tejal R. Gujarathi ◽  
Shrikant R. Harne ◽  
Sougata Ghosh ◽  
Rohini Kitture ◽  
...  
Keyword(s):  
Silver Nanoparticles ◽  
Green Synthesis ◽  
Biomedical Applications ◽  
Capping Agent ◽  
Ftir Analysis ◽  
Optimum Conditions ◽  
Gold And Silver Nanoparticles ◽  
Synthesis Of Nanoparticles ◽  
Medicinal Value

Development of an ecofriendly, reliable, and rapid process for synthesis of nanoparticles using biological system is an important bulge in nanotechnology. Antioxidant potential and medicinal value of Adiantum philippense L. fascinated us to utilize it for biosynthesis of gold and silver nanoparticles (AuNPs and AgNPs). The current paper reports utility of aqueous extract of A. philippense L. fronds for the green synthesis of AuNPs and AgNPs. Effect of various parameters on synthesis of nanoparticles was monitored by UV-Vis spectrometry. Optimum conditions for AuNPs synthesis were 1 : 1 proportion of original extract at pH 11 and 5 mM tetrachloroauric acid, whereas optimum conditions for AgNPs synthesis were 1 : 1 proportion of original extract at pH 12 and 9 mM silver nitrate. Characterization of nanoparticles was done by TEM, SAED, XRD, EDS, FTIR, and DLS analyses. The results revealed that AuNPs and AgNPs were anisotropic. Monocrystalline AuNPs and polycrystalline AgNPs measured 10 to 18 nm in size. EDS and XRD analyses confirmed the presence of elemental gold and silver. FTIR analysis revealed a possible binding of extract to AuNPs through –NH2 group and to AgNPs through C=C group. These nanoparticles stabilized by a biological capping agent could further be utilized for biomedical applications.

scholarly journals Spectroscopic Analysis of Tempeh Protein Content during the Production Process

2021 ◽  
pp. 69-81
Author(s):  
Zul Arham ◽  
Kurniawan Kurniawan ◽  
Laode Anhusadar ◽  
Ismaun Ismaun
Keyword(s):  
Production Process ◽  
Protein Content ◽  
Total Protein ◽  
Spectroscopic Analysis ◽  
Total Protein Content ◽  
Ir Absorption ◽  
Ftir Analysis ◽  
Fermentation Time ◽  
Vis Spectroscopy ◽  
Uv Visible

Tempeh is a local Indonesian food that is liked by the community, both locally and internationally. The high protein content is the reason for choosing tempeh as a complementary food. In its production, tempeh is made by two important processes, including treatment and fermentation. During this process, the protein can be damaged, resulting in a decrease in the protein content of tempeh. Based on these problems, this study aims to analyze the reduction of tempeh protein content during the production process. The analysis used two spectroscopic methods, including FTIR and UV-Visible. FTIR spectroscopy was used to observe the reduction in total protein content, while UV-Vis spectroscopy was used to observe the reduction in dissolved protein content. The results of the study for FTIR analysis showed that at the pretreatment and fermentation stages, both caused a decrease in the total protein content of tempeh. This was observed with a decrease in the intensity of IR absorption at a wavenumber of 1745 cm-1 which is identical to the C=O group and 1543 cm-1 which is identical to the N-H group. Based on the results of the UV-Visible study, it shows that the fermentation time affects the amount of dissolved protein. This situation is supported by the increasing pH of tempeh and decreasing water content during fermentation.

scholarly journals Synthesis and Characterization of Cobalt Ferrite through Co-Precipitation Technique

2020 ◽  
Vol 10 (1) ◽  
pp. 1871-1876
Keyword(s):  
Cobalt Ferrite ◽  
Magnetic Behavior ◽  
Spectral Studies ◽  
Ftir Analysis ◽  
X Ray Diffraction ◽  
Visible Absorption ◽  
Phase Spinel ◽  
Uv Visible ◽  
Co Precipitation

The device formation in current technology demands effective magnetic materials. Cobalt ferrite nanoparticles were synthesized by the co–precipitations method using the precursor materials (Fe(No3)3 9H2O) and (Co(NO3)2 6H2O). X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR) analysis, and UV–Visible absorption spectral studies were used to analyze the structural, chemical/functional groups with possible stretching and optical bandgap properties of the CoFe2O4 powder. XRD results designate that the resultant particles are crystalline, pure single-phase spinel structure. From the FTIR analysis reveals that C-C, C=O stretching, and the shift is leaked indicating that the presence CoFe2O4. The absorption and the optical band gaps values are increased trend with temperatures also evidence that is enhancing magnetic behavior.

Characterization of Hydroxyapatite Synthesized from Sea Shells and Electrospin Coating of Hydroxyapatite for Biomedical Applications

2012 ◽  
Vol 584 ◽  
pp. 435-439
Author(s):  
S. Santhosh ◽  
S. Balasivanandha Prabu
Keyword(s):  
Composite Coating ◽  
Chemical Reaction ◽  
Biomedical Applications ◽  
Sem Analysis ◽  
Reaction Synthesis ◽  
Biocompatible Polymer ◽  
Phase Pure ◽  
Wet Chemical

This study presents wet chemical reaction synthesis of nano Hydroxyapatite (HA) powder from seashells and the use of HA powder for the preparation of a composite coating with polysulfone (PSU), a biocompatible polymer which is electrospun on to Ti-6Al-4V alloy. The XRD/EDX patterns obtained for the synthesized powder showed phase pure hydoxyapatite and the HR-SEM analysis revealed that the HA particles have rod-shaped morphology. The HA powder was reinforced with Polysulfone (PSU) under different concentrations and coated by electro spinning over 2 mm thick sheets of Ti-6Al-4V alloy. The coated titanium sheets were also characterized by HR-SEM.

Synthesis and Characterization of Polymer-Laced Cu-ZnO Nanoparticles

2014 ◽  
Vol 1081 ◽  
pp. 138-141
Author(s):  
Xiao Liu ◽  
Zheng Guan ◽  
Hong Ling Liu ◽  
Jun Hua Wu ◽  
Xian Hong Wang ◽  
...  
Keyword(s):  
Optical Properties ◽  
Zno Nanoparticles ◽  
Biomedical Applications ◽  
X Ray Diffraction ◽  
One Pot ◽  
Visible Absorption ◽  
Transmission Electron ◽  
Structure Of Nanoparticles ◽  
Uv Visible

The polymer-laced Cu-ZnO nanoparticles were successfully synthesized by one-pot non-aqueous nanoemulsion method with the use of PEO-PPO-PEO as the surfactant, C14H29CH(OH)CH2OH as the reducing agent, octyl ether as the solvent, Zn (acac)2 and Cu (acac)2 as precursors. The Morphology and structure of nanoparticles were analyzed by transmission electron microscopy (TEM) and X-ray diffraction (XRD). UV-visible absorption spectroscopy (UV-vis) and photoluminescence spectrometry (PL) were employed to valuate the optical properties of the nanoparticles. The Cu-ZnO nanoparticles with well defined optical properties are promising for optical, catalytic and biomedical applications.

scholarly journals Crystal structure and spectroscopic analysis of a new oxalate-bridged MnIIcompound:catena-poly[guanidinium [[aquachloridomanganese(II)]-μ2-oxalato-κ4O1,O2:O1′,O2′] monohydrate]

2016 ◽  
Vol 72 (5) ◽  
pp. 724-729 ◽  
Author(s):  
Hiba Sehimi ◽  
Ichraf Chérif ◽  
Mohamed Faouzi Zid
Keyword(s):  
Crystal Structure ◽  
Metal Ion ◽  
Spectroscopic Analysis ◽  
Structural Data ◽  
Compound A ◽  
Distorted Octahedral Coordination ◽  
Hydrogen Bonding Interactions ◽  
Distorted Octahedral ◽  
Uv Visible

As part of our studies on the synthesis and the characterization of oxalate-bridged compoundsM–ox–M(ox = oxalate dianion andM= transition metal ion), we report the crystal structure of a new oxalate-bridged MnIIphase, {(CH6N3)[Mn(C2O4)Cl(H2O)]·H2O}n. In the compound, a succession of MnIIions (situated on inversion centers) adopting a distorted octahedral coordination and bridged by oxalate ligands forms parallel zigzag chains running along thecaxis. These chains are interconnected through O—H...O hydrogen-bonding interactions to form anionic layers parallel to (010). Individual layers are held togetherviastrong hydrogen bonds involving the guanidinium cations (N—H...O and N—H...Cl) and the disordered non-coordinating water molecule (O—H...O and O—H...Cl), as well as by guanidinium π–π stacking. The structural data were confirmed by IR and UV–Visible spectroscopic analysis.

Synthesis and Characterization of Chitosan/Hydroxyapatite Biocomposites Obtained by Reaction of Precipitation

2012 ◽  
Vol 727-728 ◽  
pp. 614-618 ◽  
Author(s):  
Rita de Cássia A. Leal ◽  
A.C.B.M. Fook ◽  
I.V.S.R. Nascimento ◽  
Marcus Vinícius Lia Fook
Keyword(s):  
Xrd Analysis ◽  
Sem Analysis ◽  
Tissue Response ◽  
Synthesis And Characterization ◽  
Ftir Analysis ◽  
New Bone Formation ◽  
Degradation Rates ◽  
Bone Graft Substitutes ◽  
Chitosan Biopolymer

There is a growing need for new biomaterials that can gain predictable and controlled tissue response, this is, that as bone graft substitutes should initiate new bone formation, after which they should get reabsorbed and replaced by bone tissue. This combination aims to improve the mechanical properties, degradation rates and absorption rates of biocompatibility and biodegradability. The aim of this study was to propose a synthetic route in which the HA was obtained by reaction of precipitation directly on evaluating the influence of chitosan biopolymer in the middle of precipitation in the characteristics of hydroxyapatite obtained. XRD analysis revealed the presence of HA phase with low crystallinity. In the FTIR analysis identified the characteristic bands of hydroxyapatite, as well as bands that characterize an interaction between chitosan and hydroxyapatite, as the band around 1050cm-1. SEM analysis of the biocomposites chitosan/HA, showed a dispersion of HA particles in chitosan, revealing a homogenous material and microporous.

scholarly journals Production and Characterization of Paper Board Mill ETP Sludge Derived Hydrochar

2021 ◽  
pp. 1-8
Author(s):  
K. Sabarish ◽  
S. Paul Sebastian ◽  
M. Maheswari ◽  
P. Balasubramaniam ◽  
J. Ejilane
Keyword(s):  
Heavy Metals ◽  
Hydrothermal Carbonization ◽  
Sem Analysis ◽  
Molecular Surface ◽  
Point Of Zero Charge ◽  
Ftir Analysis ◽  
Porous Network ◽  
Structural Morphology ◽  
Zero Charge

Hydrothermal Carbonization an emerging technology for the conversion of biomass into carbon rich materials called as hydrochar. In this study, the paper board mill ETP sludge has been used for the production of hydrochar. The characterization of point of zero charge, Heavy metals, proximate and ultimate constituents, structural morphology (SEM), and molecular surface functionalities (FTIR) were also analysed. The results of Hydrochar showed slightly acidic pH (6.40), EC (1.33), and the pHPZC (point of zero charge) of 7.8 and the heavy metals content were found to be below detectable limit. FTIR analysis revealed that, the produced hydrochar have oxygen containing functional groups (-OH, C-O-C, -C=O). SEM analysis has the morphological features such as spongy, fuzzy and fluffy porous network on surfaces. These results of hydrochar can be act as an active adsorbent with further activation.

Green Crystallization and Characterization of Copper Oxide (CuO) Nanoparticles Using Anacardium occidentale Shell Liquid and their Biomedical Applications

2016 ◽  
Vol 40 ◽  
pp. 167-173 ◽  
Author(s):  
P. Velmurugan ◽  
S.H. Jang ◽  
S.C. Hong ◽  
P.I. Yi ◽  
E.S. Jung ◽  
...  
Keyword(s):  
Biomedical Applications ◽  
Ftir Analysis ◽  
Cashew Nut Shell Liquid ◽  
Cuo Nps ◽  
Cashew Nut ◽  
Cuo Nanocrystals ◽  
Cashew Nut Shell ◽  
20 Nm ◽  
First Time

For the first time, we describe the production of nanocrystalline CuO particles using cashew nut shell liquid (CNSL). The effects of CSNL dosage, reaction duration, and concentrations on copper reduction and nanoparticle formation were studied. The resulting nanoparticles were characterized using TEM, XRD and FTIR analysis. The syntheses of nano-sized CuO NPs were confirmed via TEM and XRD and show the presence of well-dispersed CuO NPs ranging from 15 to 20 nm. The results confirm that CuO nanocrystals have high antibacterial efficacy and hence have great potential in the preparation of drugs against bacteria.

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