| | SLO | ENG | Piškotki in zasebnost

Večja pisava | Manjša pisava

Iskanje po katalogu digitalne knjižnice Pomoč

Iskalni niz: išči po
išči po
išči po
išči po
* po starem in bolonjskem študiju

Opcije:
  Ponastavi


1 - 2 / 2
Na začetekNa prejšnjo stran1Na naslednjo stranNa konec
1.
Effect of base sequence on G-wire formation in solution
Lea Spindler, Martin Rigler, Irena Drevenšek Olenik, Mateus Webba da Silva, Nason Ma'ani Hessari, 2010, izvirni znanstveni članek

Opis: The formation and dimensions of G-wires by different short G-rich DNA sequences in solution were investigated by dynamic light scattering (DLS) and polyacrilamide gel electrophoresis (PAGE). To explore the basic principles of wire formation, we studied the effects of base sequence, method of preparation, temperature, and oligonucleotide concentration. Both DLS and PAGE show that thermal annealing induces much less macromolecular self-assembly than dialysis. The degree of assembly and consequently length of G-wires (5-6 nm) are well resolved by both methods for DNA sequences with intermediate length, while some discrepancies appear for the shortest and longest sequences. As expected, the longest DNA sequence gives the longest macromolecular aggregates with a length of about 11 nm as estimated by DLS. The quadruplex topologies show no concentration dependence in the investigated DNA concentration range (0.1 mM–0.4 mM) and no structural change upon heating.
Ključne besede: DNA, dynamic light scattering, DLS, polyacrylamide gel electrophoresis, PAGE, genetics
Objavljeno v DKUM: 14.06.2017; Ogledov: 1649; Prenosov: 359
.pdf Celotno besedilo (3,34 MB)
Gradivo ima več datotek! Več...

2.
Effects of plasma treatment on water sorption in viscose fibres
Miha Devetak, Nejc Skoporc, Martin Rigler, Zdenka Peršin Fratnik, Irena Drevenšek Olenik, Martin Čopič, Karin Stana-Kleinschek, 2012, izvirni znanstveni članek

Opis: We investigated water sorption in viscose nonwoven fibres manufactured by Tosama d.d. with the surface density of 175 g/m2. A comparison between untreated fibres and by oxygen plasma treated fibres was made using optical polarization microscopy. Plasma treatment was done for 10 minutes at pressure of 75 Pa at current of 250 mA at the power of 500 W. Swelling was characterized by measurements of fibre diameter. Modifications of intensity of the polarized light transmitted through the fibre were measured as a function of time of exposure to water. Characteristic swelling and intensity modification times were resolved for untreated and oxygen plasma treated fibres. The swelling time of oxygen plasma in comparison to untreated plasma is reduced by the factor of 0.54 and intensity change time by the factor of 0.4. From the characteristic swelling and intensity change times it was concluded that oxygen plasma treatment of viscose increases the speed of water sorption.
Ključne besede: plasma treatment, viscose, optical polarization microscopy
Objavljeno v DKUM: 01.06.2012; Ogledov: 1856; Prenosov: 81
.pdf Celotno besedilo (545,63 KB)
Gradivo ima več datotek! Več...

Iskanje izvedeno v 2.63 sek.
Na vrh
Logotipi partnerjev Univerza v Mariboru Univerza v Ljubljani Univerza na Primorskem Univerza v Novi Gorici