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1.
Engineering of functional nanosnowflakes from gold nanocarriers capped with amino-modified DNA oligonucleotides
Alexandre Loukanov, Velichka Arahangelova, Saim Emin, Chavdar Filipov, 2023, izvirni znanstveni članek

Opis: Abstract The design, engineering and electron microscopic characterization of anisotropic nanosized snowflake‐like structural assemblies (nanosnowflakes) is reported. They were fabricated through immobilization of double stranded amine‐modified and thiol‐terminated DNA oligonucleotides on the surface of ultra‐small isotropic gold nanoparticles used as nanocarriers. The transmission electron microscopy images combined with spectrophotometric data revealed the formation of self‐assembled structural aggregation between individual ligands‐coated nanoparticles. They act as seeds for the further spontaneous dendritic growth in different directions. Their anisotropic morphology is formed due to the occurrence of facilitated electrostatic interactions between positive charged amino‐groups and the negative sugar‐phosphate backbone of oligonucleotides. Thus, nanosnowflakes with size distribution between 40 and 80 nm were obtained. The microscopic analysis demonstrated also that the stable nanosnowflakes structure was highly dependent on the solution ionic strength, which effect the charge fluctuation within the assembly. The reported DNA functionalized nanostructures have potential to be applied as a platform for development of therapeutic materials, as well as drug delivery nanosystems. Research Highlights The engineering, fabrication, and microscopic characterization of DNA nanosnowflakes is reported. The electron microscopy analysis revealed formation of self‐assemblies with anisotropic morphology. The nanosnowflakes size distribution was between 40 and 80 nm.
Ključne besede: DNA, nanocarrier, functionalization, drug delivery
Objavljeno v RUNG: 18.03.2024; Ogledov: 155; Prenosov: 0
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2.
Combining panning design and expression options allows obtaining nanobodies trimmed for specific applications
Ario De Marco, predavanje na tuji univerzi

Ključne besede: nanobodies, panning, functionalization
Objavljeno v RUNG: 15.05.2023; Ogledov: 843; Prenosov: 0
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3.
Recombinant ligands as tunable biotechnological tools
Ario De Marco, predavanje na tuji univerzi

Ključne besede: nanobodies, protein functionalization, biosensors
Objavljeno v RUNG: 17.05.2022; Ogledov: 1388; Prenosov: 0
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4.
Opportunities offered by recombinant ligands
Ario De Marco, predavanje na tuji univerzi

Ključne besede: nanobodies, protein functionalization, rational mutagenesis
Objavljeno v RUNG: 13.05.2022; Ogledov: 1514; Prenosov: 0
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Pre-immune libraries of recombinant nanobodies: outcome from 15-year experience
Ario De Marco, predavanje na tuji univerzi

Ključne besede: Nanobodies, in vitro panning, protein functionalization
Objavljeno v RUNG: 14.02.2020; Ogledov: 2695; Prenosov: 0
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8.
Nanobodies as a flexible biotechnological platform
Ario De Marco, predavanje na tuji univerzi

Ključne besede: nanobodies, phage display, crystallography chaperones, functionalization strategies
Objavljeno v RUNG: 10.11.2019; Ogledov: 2826; Prenosov: 0
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Nanomaterial bio-activation and macromolecules functionalization: the search for reliable protocols
Ario De Marco, 2018, pregledni znanstveni članek

Ključne besede: protein functionalization, tags, site-directed protein labeling, sample homogeneity
Objavljeno v RUNG: 28.02.2018; Ogledov: 3656; Prenosov: 0
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