l lysine coated iron oxide nanoparticles

PAMAM dendrimer-coated iron oxide nanoparticles: …

2013-2-19 · The obtained iron oxide nanoparticles were dispersed in ethanol at 5 g l −1 (Pan et al. 2007; Gao et al. 2005, Unsoy et al. 2012). Preparation of APTS-coated magnetic nanoparticles Surface modification of Fe 3 O 4 was performed with 3-aminopropyltrimethoxysilane (APTS).

Synthesis, Characterization and Anti-Listeria ...

2021-9-29 · Unlike many investigations about antimicrobial effects of silver nanoparticles, few experiments have been conducted about the impact of iron-oxide nanoparticles on microorganisms. In the current paper, we have synthesized and characterized amino acid (L-arginine and L-lysine)-coated magnetite nanoparticles and evaluated the effects of these ...

Microwave-mediated synthesis of iron-oxide nanoparticles ...

2019-2-18 · Iron-oxide nanoparticles can be synthesized and functionalized interacting with cell membranes. Poly(l-lysine) coating is found to be well tolerable and non-toxic in tumoral (Wang et al. 2012; Ma et al. 2014) and non-tumoral (mesenquimal) cells (Sibov et al. 2012).

Bio-nano interactions: binding proteins, polysaccharides ...

2021-4-21 · The major interest in nanoparticles as an application platform for biotechnology arises from their high surface-to-volume ratio. Iron oxide nanoparticles (IONPs) are particularly appealing due to their superparamagnetic behavior, which enables bioseparation using external magnetic fields. In order to design advanced biomaterials, improve binding capacities and develop …

In vitro labeling of neural stem cells with poly-L-lysine ...

2013-4-1 · The dose response of poly-L-lysine (PLL)-coated super paramagnetic iron oxide nanoparicles. The viability was used to evaluate the toxicity of different concentrations of PLL (0.25, 0.5, 0.75, 1 and 2 µg/ml), incubated with the neural stem cells before (light gray columns) and after (dark gray columns) transfection

L-lysine coated iron oxide nanoparticles : Synthesis ...

L-lysine coated iron oxide (LCIO) nanoparticles were synthesized by a co-precipitation method in the presence of amino acid. XRD analysis confirmed the presence of cubic magnetite phase with an average crystallite size of 8 +/- 4 nm. Particle size estimated from TEM, by log-normal fitting, is similar to 114 nm.

Intracellular labeling and quantification process by ...

revealed that the aminosilane-coated magnetic nanoparticles alone or complexed with poly-L-lysine showed higher cellular uptake than did the uncoated magnetic particles. The relaxivities of the aminosilane-coated magnetic nanoparticles with a hydrodynamic diameter of 50nm to a 3-T field were r 1 =(6.1±0.3)×10-5 ms-1mL/µg, r 2 =(5.3±0.1)× ...

Synthesis and Characterization of Water Dispersible Iron ...

Synthesis and Characterization of Water Dispersible Iron Oxide (¥a-Fe2O3) Nanoparticles for Biomedical Applications: Abstract: In this study, L-lysine coated ¥a-Fe2O3 nanoparticles were synthesized by a chemical approach in two steps. In the first step ¥a-Fe2O3 nanoparticles were synthesized by a polyol-reduction method.

Amino Acid Coated Superparamagnetic Iron Oxide ...

2016-12-18 · Preparation of Amino Acid Coated Fe 3 O 4 NPs. The same electrochemical set-up including stainless-steel and graphite electrodes was also used for preparation of coated Fe 3 O 4 nanoparticles as schematically shown in Fig. 1b. In this way, a solution of 0.005 M [FeCl 2 /FeCl 3] with molar ratio of 1:2 was prepared, and coating agents including 1 gr/L amino acids (lysine …

FTIR spectra of pure L-arginine (a) and L-lysine (b ...

Iron oxide nanoparticles were employed to fabricate a soft tissue scaffold with enhanced physicochemical and biological characteristics. Growth promotion effect of L-lysine coated magnetite (Lys ...

Synthesis and Application of Amine Functionalized Iron ...

2015-12-25 · Industrial production of menaquione-7 by Bacillus subtilis natto is associated with major drawbacks. To address the current challenges in menaquione-7 fermentation, studying the effect of magnetic nanoparticles on …

Poly( l-lysine)-Modified Iron Oxide Nanoparticles for Stem ...

Poly(l-lysine)-Modified Iron Oxide Nanoparticles for Stem Cell Labeling

In vitro labeling of neural stem cells with poly-L-lysine ...

BACKGROUND: The magnetic nanoparticle-based transfection method is a relatively new technique for delivery of functional genes to target tissues. We aimed to evaluate the transfection efficiency of rat neural stem cell (NSC) using poly-L-lysine hydrobromide (PLL)-coated super paramagnetic iron oxide nanoparticles (SPION).

Cancer stem cell labeling using poly(L-lysine)-modified ...

The present study sought to explore the potential effects on biological behavior when CSCs are labeled with superparamagnetic iron oxide (SPIO) nanoparticles in vitro. The glioblastoma CSCs derived from U251 glioblastoma multiforme were labeled with poly (L-lysine) (PLL)-modified γ-Fe (2)O (3) nanoparticles. The iron uptake of glioblastoma ...

Synthesis and Application of Amine Functionalized Iron ...

2015-12-25 · This article introduces the new concept of production and application of l-lysine coated iron oxide nanoparticles ([email protected]) as a novel tool for menaquinone-7 biosynthesis. [email protected] with the average size of 7 nm were successfully fabricated and were examined in a fermentation process of [email protected] decorated Bacillus subtilis natto. Based on ...

Characterization of Biophysical and Metabolic Properties ...

2019-8-14 · PURPOSE: To evaluate the effect of using the ferumoxides–poly-l-lysine (PLL) complex for magnetic cell labeling on the long-term viability, function, metabolism, and iron utilization of mammalian cells. MATERIALS AND METHODS: PLL was incubated with ferumoxides for 60 minutes, incompletely coating the superparamagnetic iron oxide (SPIO) …

Evaluation of umbilical cord mesenchymal stem cell ...

2012-9-21 · superparamagnetic iron oxide nanoparticles coated with dextran and complexed to a non-viral transfector agent transfector poly-L-lysine. Methods: The labeling of mesenchymal stem cells was performed

l-Histidine coated iron oxide nanoparticles: Synthesis ...

2010-8-27 · l-Histidine capped iron oxide nanoparticles (HCIO) have been synthesized in one pot in the presence of l-histidine.The final product was analyzed for composition, microstructure, ac–dc conductivity performance as well as dielectric permittivity. Results revealed that magnetic nanoparticles are maghemite (or magnetite) and l-histidine is covalently bonded to the …

L-lysine coated iron oxide nanoparticles: Synthesis ...

l-lysine coated iron oxide (LCIO) nanoparticles were synthesized by a co-precipitation method in the presence of amino acid. XRD analysis confirmed the …

Biocompatible and stable magnetosome minerals coated …

2017-9-8 · Magnetic hyperthermia, in which magnetic nanoparticles are introduced into tumors and exposed to an alternating magnetic field (AMF), appears to be promising since it can lead to increased life expectancy in patients. Its efficacy …

Development of novel poly-l-lysine-modified sericin …

2021-12-5 · Superparamagnetic iron oxide nanoparticles coated with different polymers and their MRI contrast effects in the mouse brains. Appl. Surf. Sci., 326 (2015), ... Preparation of poly-l-lysine-based nanoparticles with pH-sensitive release of curcumin for targeted imaging and therapy of liver cancer in vitro and in vivo. Drug Deliv., 25 (2018), pp ...

Synthesis and Characterization of L-Lysin Coated Iron ...

2021-9-10 · Methods: For this purpose, L-lysine coated Iron Oxide Nanoparticles (IONs) were synthesized and used for magnetic separation of Escherichia coli as the most applied microbial cell in biotechnological processes. Results: IONs have successfully decorated the bacterial cells and cells were completely separated by applying an external magnetic field.

Iron oxide nanoparticles-poly-L-lysine complex

Iron oxide nanoparticles-poly-L-lysine complex Review. In: Molecular Imaging and Contrast Agent Database (MICAD) [Internet]. ... Most paramagnetic labeling of SCs is carried out with dextran-coated super paramagnetic iron oxide nanoparticles (SPIO) because of their good biodegradability and tolerance (8). ... For having a dextran-coating, these ...

l-lysine coated iron oxide nanoparticles: Synthesis ...

2009-9-18 · l-lysine coated iron oxide (LCIO) nanoparticles were synthesized by a co-precipitation method in the presence of amino acid.XRD analysis confirmed the presence of cubic magnetite phase with an average crystallite size of 8 ± 4 nm.Particle size estimated from TEM, by log-normal fitting, is ∼114 nm.The difference between the crystallite size from XRD and particle size from …

Improved biocompatibility and efficient labeling of neural ...

2016-6-27 · To coat nanoparticles 0.2 mL of aqueous poly(L-lysine) solution (1 mg/mL) was added dropwise with stirring to 10 mL of primary iron oxide colloid, diluted to a concentration of 2.2 mg iron oxide/mL. The obtained mixture was sonicated for 5 min and used in the experiments.

Evaluation of umbilical cord mesenchymal stem cell ...

ABSTRACT. OBJECTIVE: The objective of this study was to evaluate the effect of the labeling of umbilical cord vein derived mesenchymal stem cells with superparamagnetic iron oxide nanoparticles coated with dextran and complexed to a non-viral transfector agent transfector poly-L-lysine. METHODS: The labeling of mesenchymal stem cells was performed using the …

Iron Oxide Nanoparticles for Biomedical Applications: A ...

2018-6-9 · Medical applications and biotechnological advances, including magnetic resonance imaging, cell separation and detection, tissue repair, magnetic hyperthermia and drug delivery, have strongly benefited from employing iron oxide nanoparticles (IONPs) due to their remarkable properties, such as superparamagnetism, size and possibility of receiving a biocompatible …

Poly( l -lysine)-Modified Iron Oxide Nanoparticles for ...

63 The coating efficiency with iron oxide nanoparticles and PLL was estimated using mass differences before and after coating, which showed that the γ-SD/PLLs are composed of 54.9 wt % of TAB-DFP ...

Cancer stem cell labeling using poly(l-lysine)-modified ...

The present study sought to explore the potential effects on biological behavior when CSCs are labeled with superparamagnetic iron oxide (SPIO) nanoparticles in vitro. The glioblastoma CSCs derived from U251 glioblastoma multiforme were labeled with poly ( l -lysine) (PLL)-modified γ-Fe 2 O 3 nanoparticles.

Biogenic synthesis of biocompatible L-lysine coated ...

2021-12-27 · L-lysine coated iron oxide NPs (Ly-Fe 2 O 3) where synthesized by green route using plant extract of Syzygium aromaticum and their characteristics were compared to those of bare c-Fe 2 O 3 NPs. The outcomes showed that amino acid coating on c-Fe 2 O 3 NPs enhanced the particle stability and biocompatibility of NPs without affecting their core ...

(PDF) L-Histidine coated iron oxide nanoparticles ...

l-Histidine capped iron oxide nanoparticles (HCIO) have been synthesized in one pot in the presence of l-histidine. The final product was analyzed for composition, microstructure, ac–dc ...

Methotrexate-conjugated L-lysine coated iron oxide ...

2017-12-27 · (2018). Methotrexate-conjugated L-lysine coated iron oxide magnetic nanoparticles for inhibition of MCF-7 breast cancer cells. Drug Development and Industrial Pharmacy: Vol. 44, No. 6, pp. 886-894.

Green Synthesis and Surface Modification of Iron Oxide ...

2018-9-29 · Magnetic nanoparticles (MNPs) show great potential for many technological applications due to their superparamagnetic properties. Finding a green approach to producing biocompatible magnetic nanoparticles is of the utmost importance, especially for biomedical purposes. In the present study, the iron oxide nanoparticles were synthesized by a simple …

Anticancer Activity of Tamoxifen Loaded Tyrosine …

2017-12-1 · We have become interested in the development of amino acids coated iron oxide magnetic nanoparticles for biological applications [21, 22]. l -tyrosine (Tyr) is an aromatic and hydrophilic amino acid, can be found in a variety of proteins, and is mainly rich in casein milk protein, molecules containing phenol groups.