Dissertations/Theses - Department of Chemistry: Recent submissions

Now showing items 41-60 of 254

Sensitivity enhancement of ionic liquid modified carbon paste electrodes for electro analysis of metal ions

Mazharul Islam, Md. (Department of Chemistry, BUET, 2021-08-26)

Modified carbon paste electrodes (CPEs) are widely used in the electrochemical analysis of metal ions for their simple design and easy preparation methods.In this study, we have demonstrated the modification of CPE with a ...
Preparation and characterization of thermo and magnetic responsive hydrogel particles for removal of heavy metal ions

Fahima Tajrin (Department of Chemistry, BUET, 2021-02-16)

The three-dimensional hydrophilic polymeric network of hydrogel achieved unprecedented and unique physicochemical properties with great potential in many fields. Due to the limitations of standard bulk hydrogel submicrometer-sized ...
Facile synthesis of nano-structured Ni(OH)2-MnO2-rGO composite VIA gelation method for potential super capacitor electrode material

Yeasin Arafat Tarek, Md. (Department of Chemistry, BUET, 2021-06-19)

This research work represents the facile synthesis of self-assembled hybrid Ni(OH)2-MnO2-rGOcomposite by a simple gel formation technique. The electrochemical study was conducted to evaluate the supercapacitor performance ...
Porous structural colored hydrogel for visual detection and removal of toxic ionic species

Sarmin Akter (Department of Chemistry, BUET, 2021-02-06)

Smart polymeric hydrogel composed of a three-dimensionally cross-linked polymer network with a large amount of water has great potential for the development of sensor because it undergoes volume changes in response to the ...
Studies on bioaccumulation and mobilization of heavy metals in crops and vegetables grown around industrial environments

Lokman Hosen (Department of Chemistry, BUET, 2021-04-11)

Crops and vegetables provide essential nutrients to human diet. Plants import chemical elements and nutrients directly from the soil or water by root absorption, resulting in accumulation within different tissues. The most ...
Influence of hofmeister anions on the krafft temperature, surface and bulk behaviour of ionic surfactants in aqueous solution

Sarker, Khokan Chandra (Department of Chemistry, BUET, 2021-02-22)

In the present work, the influence of Hofmeister anions on the Krafft Temperature (TK) of cetylpyridinium chloride (CPC) and cetylpyridinium bromide (CPB) has been investigated by means of conductometric, surface tensiometric ...
Synthesis of selected macrocyclic complexes and investigation of their antibacterial and antifungal activities

Jakir Hossain, Mohammad (Department of Chemistry, BUET, 2017-06-01)

The macrocyclic complex compounds of Ag(I) containing a ligand having tetraoxotetrahydrazin moity are synthesized by template condensation of malonodihydrazide (C3H8N4O2) with different aldehydes. The complexes are ...
Ecological and health risk assessments of fishes in industrial contaminated water of Bangladesh

Abdullah-Al-Mamun, Md. (Department of Chemistry, BUET, 2021-01-31)

Heavy and toxic metals contamination in various environmental segments in the vicinity of industrial areas is one of the most serious problems to maintain the environmental quality and sustainability in Bangladesh. Heavy ...
Design and fabrication of homogeneous hydrogel network using click chemistry

Kausar Ahmed, Md. (Department of Chemistry (Che), BUET, 2020-11-02)

Design, fabrication and characterization of bromopropionic acid derivatives, polymerization of derivatives, telechelic acetylene dicarbamate, and hydrogel(open chain polymer) have been reported in the first part of this ...
Synthesis of heterogenous zeolite-y from rice hull ash and its application in catalytical conversion of polyethylene to petrochemical

Das, Sonjoy (Department of Chemistry (Che), BUET, 2020-02-19)

Polyethylene waste had become one of the major environmental pollutants in Bangladesh. Conversion of polyethylene waste into valuable petrochemicals could serve as an economically viable way of sustainable waste management. ...
Dendrimer assisted synthesis of bimetallic nanoparticles and their catalytic applications

Sayedul Islam, Md. (Department of Chemistry, BUET, 2020-11-02)

The development of nanotechnology for the preparation of metal nanoparticles (NPs) creates new opportunities for a catalytic revolution. Bimetallic nanoparticles have gained significant attention because of their promising ...
Isolation of marker compounds from the leaves of adhatoda vasica and their biological activities

Masbah Uddin Ahmed (Department of Chemistry (CHE), 2019-07-15)

Acanthaceae family member A. vasica is enhanced with important commercially and biologically active compounds. From the deep interest of these compounds and their biological activities , the leaves of this plants ...
Eco-friendly synthesis of novel functionalized thiazolidine heterocycles and evaluation of its antimicrobial activity

Mondal, Subrrato Kumar Dey. (Department of Chemistry (Che), 2020-09-05)

The ongoing prevalence of multidrug-resistant microbial pathogens requires the development of new effective antimicrobial agents. In the modern scenario, thiazolidine scaffold has emerged as a very potent scaffold as per ...
Influence of metal (Ni) and metal oxide (iron oxide) nanoparticles on the electrochemical capacitance of rGo-Mnox nanocomposite

Akter Hossain Reaz, Md. (Department of Chemistry, BUET, 2020-01-18)

Electrochemical capacitors- known as supercapacitors- have attracted phenomenal attention in energy sector as sustainable and affordable energy storage systems for their advantageous characteristics over batteries and ...
Fabrication and characterization of natural fiber reinforced thermoplastic nano-composites

Eyazul Haque, MD. (Department of Chemistry, 2020-12-12)

ABSTRACT The work outlines the preparation of synthesized copper nanoparticle impregnated sawdust and wheat straw reinforced unsaturated polyester resin composites via cationization process by (3-Chloro-2-hydroxypropyl) ...
Green synthesis of ZnO-TiO2-reduced graphene oxide composite for the photocatalytic removal of organic dye

Elias, Md. (Department of Chemistry, BUET, 2019-09-25)

There has been a growing interest in gathering together photocatalysis of semiconductors, like ZnO, TiO2 and the excellent electron transmittability of graphene to produce a graphene-based semiconductor for photocatalytic ...
Synthesis of bioactive ionic liquids through the reaction between aryl amine and carboxylic acids

Kumer, Ajoy (Department of Chemistry, BUET, 2019-12-02)

Ionic Liquids are recognized as the safer, greener, designer, and engineering chemical for 21st century. As 3rd generation ILs was established as pharmaceutical active ingredients and bioactive molecules, it consists of ...
Design of functionalized nanocrystaline cellulose-poly (acrylic acid) based hydrogel with enhanced mechanical properties

Amzad Hossain, Md. (2019-12-15)

Hydrogels are hydrophilic, cross-linked three-dimensional networks of insoluble polymer chains that can retain huge amounts of water and many other organic solvents. Various researchers and scientific communities are trying ...
Mechanical properties enhancement of hydrogel using narrow dispersed modified silica particles as cross-linker

Rezaul Karim, Md. (Department of Chemistry, BUET, 2019-08-27)

Hydrogels are widely used in manifold applications but the scope of their applications is often severely limited by their poor mechanical behaviors including low toughness and limited stretchability. Many attempts are ...
Metal mediated synthesis of 2, 3-dihydro benzofuran derivatives

Nath, Ashutosh. (Department of Chemistry, BUET, 2019-11-30)

Dihydrobenzofuran (DHB) is the key structure moiety of many highly bilogically active materials, constructing pharmaceuticals (furadm), lignans and other biologically natural compounds (pterocarpans). Pterocarpans have a ...

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