Ataf Ali - Excell Data

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Experimental Investigation on the Effectiveness of 1‑Butyl-3-methylimidazolium Perchlorate Ionic Liquid as a Reducing Agent for Heavy Oil Upgrading

An ionic liquid (IL), 1-butyl-3-methylimidazolium perchlorate, [BMIM]­[ClO₄], is synthesized and used as a reducing agent to upgrade a selected heavy oil. The effects of [BMIM]­[ClO₄] on viscosity, density, SARA contents, elemental compositions, and molecular weight of the heavy oil are studied. The results show that the heavy oil treated with [BMIM]­[ClO₄] has reduction in viscosity and density. The results also indicate that the presence of [BMIM]­[ClO₄] significantly changes the composition of the heavy oil. Moreover, the effects of [BMIM]­[ClO₄] on the interfacial tension (IFT) of oil–water and oil recovery are tested. Results shows that [BMIM]­[ClO₄] can improve the mobility of heavy oil by reducing the IFT of oil–water and increase the recovery factor by 79.94%

SEM micrographs.

<p>(A). ZnO nanorods (B). ZnO nano rods after 18 cycles (C). ZnO micro particles (D). ZnO microparticles after 15 Cycles.</p

XRD Data of ZnO nanorods.

<p>XRD Data of ZnO nanorods.</p

Physical characteristics of the zinc oxide nanorods.

<p>Physical characteristics of the zinc oxide nanorods.</p

XRD patterns of ZnO nanorods, Inside ZnO (PDF 36–1451).

<p>XRD patterns of ZnO nanorods, Inside ZnO (PDF 36–1451).</p

Supplementary Figure 1 from Synthesis and characterization of azo-guanidine based alcoholic media naked eye DNA sensor

UV-Visible spectrum of compound of UA6 (50µM) without DNA and with DNA interaction (20µM-140µM) in 80% ethanol, phosphate buffer (0.1M, pH=7.0). The full scan from 200nm to 800nm

Cycle life comparison of ZnO nanorods vs ZnO micro powder.

<p>Cycle life comparison of ZnO nanorods vs ZnO micro powder.</p

Ataf Ali - Excell Data from Synthesis and characterization of azo-guanidine based alcoholic media naked eye DNA sensor

DNA sensing always has an open meadow of curiosity for biotechnologists and other researchers. Recently, in this field, we have introduced an emerging class of molecules containing azo and guanidine functionalities. In this study, we have synthesized three new compounds (<b>UA1</b>, <b>UA6</b> and <b>UA7</b>) for potential application in DNA sensing in alcoholic medium. The synthesized materials were characterized by elemental analysis, FTIR, UV-visible, ¹H NMR and ¹³C NMR spectroscopies. Their DNA sensing potential were investigated by UV-visible spectroscopy. The insight of interaction with DNA was further investigated by electrochemical (cyclic voltammetry) and hydrodynamic (viscosity) studies. The results showed that compounds have moderate DNA binding properties, with the binding constants range being 7.2 x 10³, 2.4 x 10³ and 0.2 x 10³M^-1, for <b>UA1</b>, <b>UA6</b> and <b>UA7</b>, respectively. Upon binding with DNA, there was a change in colour (a blue shift in the <i>λ</i>_max value) which was observable with a naked eye. These results indicated the potential of synthesized compounds as DNA sensors with detection limit 1.8, 5.8 and 4.0ng µl^-1 for <b>UA1</b>, <b>UA6</b> and <b>UA7</b>, respectively