Surface modification of ferromagnetic nanoparticles for separation of toxic heavy metals and environmental applications
Surface modification of ferromagnetic nanoparticles for separation of toxic heavy metals and environmental applications
... SURFACE MODIFICATION OF FERROMAGNETIC NANOPARTICLES FOR SEPARATION OF TOXIC HEAVY METALS AND ENVIRONMENTAL APPLICATIONS ZAYED BIN ZAKIR SHAWON B.Sc (Chemical ... cost of separation of detrimental pollutants like heavy metals Recently, scientists have focused on the development of the nanomaterials as adsorbents for the separations of biomolecules, heavy metals, ... to remove toxic heavy metals from wastewater Ferromagnetic nanoparticles are superparamagnetic and offer very fascinating physical and chemical properties The adsorption capability of these nanoadsorbents...
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Surface modification of NaYF4 yb,er upconversion nanoparticles for bio application
... Synthesis and characterization of NaYF4: Yb,Er UC nanoparticles and surface modification of UC nanoparticles by undoped NaYF4 shell coating (Chapter 3) Surface modification of UC nanoparticles by amino ... and NaYF4: Yb,Er nanoparticles in hexane 38 Figure 3.6 Energy level diagram of NaYF4: Yb,Er nanoparticles (versus vacuum) 38 Figure 3.7 XRD powder pattern of the NaYF4: Yb,Er / NaYF4 (core/shell) nanoparticles ... HRTEM image (inset) of the NaYF4: Yb,Er / NaYF4 (core/shell) nanoparticles 40 Figure 3.9 UC luminescence spectra of NaYF4: Yb,Er and NaYF4: Yb,Er / NaYF4 (core/shell) nanoparticles under...
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Surface functionalized magnetic nanoparticles for separation of chiral biomolecules, pharmaceuticals and endocrine disrupting compounds
... of magnetic separation, reviews previous work on magnetic separation and introduces the recent progress in separation of chiral biomolecules, pharmaceuticals, endocrine disrupting compounds and ... SURFACE FUNCTIONALIZED MAGNETIC NANOPARTICLES FOR SEPARATION OF CHIRAL BIOMOLECULES, PHARMACEUTICALS AND ENDOCRINE DISRUPTING COMPOUNDS SUDIPA GHOSH B.Sc (Chemical ... results of pharmaceuticals and endocrine disrupting compounds are presented Effect of operating conditions, kinetics of sorption separation and desorption conditions of pharmaceuticals and endocrine...
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Surface modification of magnetic nanoparticles with carboxymethyl beta cyclodextrin for removal of dyes in wastewater
... SURFACE MODIFICATION OF MAGNETIC NANOPARTICLES WITH CARBOXYMETHYL- BETA- CYCLODEXTRIN FOR REMOVAL OF DYES IN WASTEWATER DEVITA CHRISTIANI CAHYADI (B.Eng, Diponegoro University, Indonesia) ... Acid Blue 25 CD Cyclodextrin β-CD Beta- cyclodextrin BEs Binding energies CM-β-CD Carboxymethyl- beta- cyclodextrin xvii CMCD-MNPs Carboxymethyl- beta- cyclodextrin coated on magnetic nanoparticles ... 3-1 Carboxymethylation on beta- cyclodextrin 41 Figure 3-2 The equipment setup for the preparation of magnetic nanoparticles 42 Figure 3-3 An illustration of surface modification of iron oxide nanoparticles...
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Genetic engineering and surface modification of baculovirus derived vectors for improved gene delivery to the central nervous system
... GENETIC ENGINEERING AND SURFACE MODIFICATION OF BACULOVIRUS DERIVED VECTORS FOR IMPROVED GENE DELIVERY TO THE CENTRAL NERVOUS SYSTEM YANG YI (B Eng.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR ... Chapter Three: Genetic Engineering of Baculovirus Vectors for Controlled Gene Delivery ………65 3.1 Introduction………………………………………………………………… 66 3.1.1 Genetic Engineering of Baculovirus Vectors for Neuron-targeted ... SUMMARY The studies presented in this thesis focused on development and modification of baculovirus- based vectors in order to achieve improved gene delivery to the Central Nervous System There...
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Biomimetic surface modification of dental implant for enhanced osseointegration
... strength of the PLGA and PLGA/Collagen coated implant surface owing to the hard nature of the implant material and the thin layer of nanofiber coating on the implant surface The tensile properties of ... integration of the implant [2] 17 Figure 1: A typical Ti dental implant 18 1.3 Hypothesis and Objectives: Hypothesis This project is to develop a surface modification system for dental implant using ... roughness of the implant surface owing to the various surface modification techniques were shown in Table 2.1 Table 2.1 Different types of implant surface modifications and their surface roughness...
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First principles study on surface modification of antimony doped tin dioxide nanoparticles
... FIRST PRINCIPLES STUDY ON SURFACE MODIFICATION OF ANTIMONY DOPED TIN DIOXIDE NANOPARTICLES Mong Yu Siang (B.Sc (Hons), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF ... Such a method would involve the surface functionalization of nanoparticles 1.2: Introduction to surface modification Surface functionalization of semiconductor nanoparticles is an increasingly ... adsorption on ATO 41 4.3 Water adsorption on pure tin dioxide 46 4.4 Water adsorption on ATO 52 Surface modification using dichloroacetylene 60 5.1 Establishing surface model 62 5.2 Adsorption of...
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Nanofibrous surface modification of ultra thin PCL membrane for cardiovascular tissue engineering application
... tissue engineering application This thesis reports on a novel hybrid nanofibrous PCL membrane scaffold for cardiovascular tissue engineering application, achieved by surface modification of the PCL ... methods in nanofibrous surface modification of PCL membrane are presented in details Ultra- thin PCL membrane was prepared via 2-rollheated-mill, melt press and biaxial stretching method The PCL membrane ... presents the results of nanofibrous surface modification of PCL membrane in terms of surface characterization and cell behavior studies The results showed that uniform nanofibrous topology were...
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Surface chemistry of organic carbonyl compounds and their derivatives on ni (111
... Adsorption of DMP on Ni( 111) 147 7.2.1.1 Adsorption of DMP on Clean Ni( 111) 147 7.2.1.2 Adsorption of DMP on Ni( 111)-p(2×2)-O 149 7.2.1.3 Adsorption of DMP on Ni( 111)-0.1ML-O 151 7.2.2 Adsorption of ... Adsorption of Acetaldehyde on Ni( 111) 47 3.3.2 Polymerisation and Oxidation of Acetaldehyde on Ni( 111) 49 3.4 Conclusions 51 References 61 Chapter Adsorption and Reactions of Acetone on Preoxidized Ni( 111) ... 6.2.1.1 Adsorption of HfacH on Clean Ni( 111) 114 IV 6.2.1.2 Adsorption of HfacH on Ni( 111)-p(2×2)-O 115 6.2.1.3 Adsorption of HfacH on Ni( 111)-0.1ML-O 116 6.2.2 Adsorption of TfacH on Ni( 111) 117 6.2.2.1...
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ultrafast spectroscopy of cdse nanocrystals morphological and environmental effects on nonradiative and nonadiabatic relaxation
... CONCLUSION Time-resolved ultrafast TA spectroscopy was used to explore the intraband relaxation and coherent acoustic phonons in QDs and QRs of various sizes We found that intraband relaxation ... superimposed nonadiabatic relaxation, that is, the coherent lattice vibrations Therefore, we also evaluate the environmental effects on nonadiabatic relaxation, namely, through emission of coherent ... polarized along the length of the QR, which reduces the confinement of the exciton, and thus, the coulomb interaction of the electron and hole for a given bound exciton is reduced and exciton−exciton interactions...
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ultrafast spectroscopy of cdse nanocrystals morphological and environmental effects on nonradiative and nonadiabatic relaxation
... CONCLUSION Time-resolved ultrafast TA spectroscopy was used to explore the intraband relaxation and coherent acoustic phonons in QDs and QRs of various sizes We found that intraband relaxation ... superimposed nonadiabatic relaxation, that is, the coherent lattice vibrations Therefore, we also evaluate the environmental effects on nonadiabatic relaxation, namely, through emission of coherent ... polarized along the length of the QR, which reduces the confinement of the exciton, and thus, the coulomb interaction of the electron and hole for a given bound exciton is reduced and exciton−exciton interactions...
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Báo cáo hóa học: " Research Article Normality Criteria of Lahiri’s Type and Their Applications" pdf
... family In 2009, Charak and Rieppo generalized Theorem C and obtained two normality criteria of Lahiri’s type Journal of Inequalities and Applications Theorem D Let F be a family of meromorphic functions ... 2.1 Journal of Inequalities and Applications Suppose that z0 is a zero of f of multiplicity p ≥ k , then z0 is a zero of Ψ of multiplicity dp − Σk jnj , and thus is a pole of Ψ − c /Ψ of multiplicity ... New Zealand Journal of Mathematics, vol 34, no 1, pp 61–65, 2005 K S Charak and J Rieppo, “Two normality criteria and the converse of the Bloch principle,” Journal of Mathematical Analysis and Applications,...
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purification of some heavy metals from paper making
... distribution of four kinds of heavy metals Cu Zn Pb Cd at different parts of the reed Distribution feature of heavy metals in different parts of reed is shown in Table Absorptive capacity of the whole ... distribution characteristics of heavy metals at different parts of the reed parts absorption of Cu (mg/L) absorption of Zn (mg/L) absorption of Pb (mg/L) absorption of Cd (mg/L) root 0.0340+0.0080a ... of toxic heavy metals and absorbency in reed, Aksoy[9] discussed the rules of migration and release of toxic heavy metals in reed Whereas our nation has done more research on absorption and purification...
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