A Comparative Study on the Adsorption of Eriochrome Black T Dye from Aqueous Solution on Graphene and Acid-Modified Graphene

2017 ◽  
Vol 43 (5) ◽  
pp. 2167-2179 ◽  
Author(s):  
Arsalan Khalid ◽  
Mukarram Zubair ◽  
Ihsanullah
Keyword(s):  
Aqueous Solution ◽  
Comparative Study ◽  
Eriochrome Black T ◽  
Modified Graphene

scholarly journals Fluorescence Spectral Studies on the Interaction of Alanine and Valine with Resorcinol-Based Acridinedione Dyes in Aqueous Solution: A Comparative Study with Glycine

ACS Omega ◽  
2019 ◽  
Vol 4 (7) ◽  
pp. 12357-12365 ◽  
Author(s):  
Krishnan Anju ◽  
Anupurath Sumita ◽  
Somasundaram Gayathri ◽  
Rajaraman Vasanthi ◽  
Kumaran Rajendran
Keyword(s):  
Aqueous Solution ◽  
Comparative Study ◽  
Spectral Studies ◽  
Acridinedione Dyes

scholarly journals The Effect of Ionic Charge on the Adsorption of Organic Dyes onto Titanate Nanotubes

2010 ◽  
Vol 63 (2) ◽  
pp. 270 ◽  
Author(s):  
Dmitry V. Bavykin ◽  
Katherine E. Redmond ◽  
Benjamin P. Nias ◽  
Alexander N. Kulak ◽  
Frank C. Walsh
Keyword(s):  
Aqueous Solution ◽  
Organic Dyes ◽  
Dye Adsorption ◽  
Titanate Nanotubes ◽  
Charged Surface ◽  
Dye Molecules ◽  
Ionic Charge ◽  
Eriochrome Black T ◽  
Opposite Trend ◽  
Positively Charged

The adsorption of dye molecules from aqueous solution onto the surface of titanate nanotubes (which have been synthesized via an alkaline hydrothermal treatment) has been studied. The ionic charge on the dye molecules was found to affect their ability to adsorb onto the titanate nanotube surface. In the case of (cationic) methylene blue, the adsorption was preferable on the negatively charged surface of titanate nanotubes rather than on positively charged P25 TiO2 nanoparticles. In the case of (anionic) Eriochrome Black T dye, the opposite trend was found. Herein, the dynamics of dye adsorption and the effect of pH on the adsorption capacity are considered.

Ultrasonic Formation of Copper/Iron Graphene Oxide for Ketorolac Delivery

2019 ◽  
Vol 18 (03n04) ◽  
pp. 1940072
Author(s):  
D. Radziuk ◽  
L. Mikhnavets ◽  
L. Tabulina ◽  
V. Labunov ◽  
M. Vorokhta ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Graphene Oxide ◽  
Decay Constant ◽  
Decay Curve ◽  
Ambient Conditions ◽  
Iron Compounds ◽  
Ph Values ◽  
Curve Fit ◽  
Modified Graphene Oxide ◽  
Modified Graphene

New accessible sonochemical methods were developed for the functionalization of synthesized graphene oxide (GO) with copper/iron compounds and drug intercalation into their structure in aqueous solution at ambient conditions by using ultrasound (20[Formula: see text]kHz) treatment. The sonochemical formation mechanism of a new nanomaterial was revealed through the structural analysis of three types of nanocomposites: (i) copper@graphene oxide, (ii) copper/iron@graphene oxide and (iii) iron@graphene oxide. Unique copper/iron-modified graphene oxide nanocomposites can be used as nanocarriers for the anti-inflammatory drug (ketorolac) delivery in aqueous solution due to the reduced submicron size and enlarged surface area. Disintegration of the ultrasonically intercalated ketorolac followed the exponential decay curve fit at higher pH values of the aqueous solution with a higher decay constant observed in copper/iron-modified graphene oxide nanocomposites.

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