Chemistry: Recent submissions

Now showing items 1-20 of 37

Synthesis and evaluation of Pd(II) and Ni(II) complexes as catalyst for ethylene polymerization

Dube, Zanele Felicia (University of Zululand, 2017)

This study entailed the synthesis and evaluation of asymmetric palladium(II) and nickel(II) pyrazolyl hydrazide complexes, C1-C6, as catalyst for ethylene transformation reactions. The complexes were prepared from their ...
Thiosemicarbazone, xanthate and dithiocarbamate single source precursors for cadmium, lead and indium sulfide nanoparticles

Masikane, Siphamandla Cecil (University of Zululand, 2018)

The work outlined in this thesis entails recent advances in reaction protocols to afford high quality nanoparticles. It also incorporates practices of green chemistry to ascertain that the quality of nanoparticles does not ...
Nickel and cobalt sulfide nanomaterials for magnetic and energy applications

Gervas, Charles (University of Zululand, 2018)

This thesis reports the symthesis of five metal complexes, namely bis(piperidinylldithiocarbamato)nickel(II) (1), bis(tetrahydroquinolinyldithiocarbamato)nickel(II) (2), bis(N’-ethyl-N-piperazinyldithiocarbamato)nickel(II) ...
Extraction of cellulose from SCB and its applications in CNC/metal nanocomposites

Mzimela, Zimele N.T. (University of Zululand, 2018)

The past few years have seen an increased interest in enforcing the principles of green chemistry in the scientific community. The aim of these principles is to reduce chemical related impacts on human health and virtually ...
Novel Precursors for the Synthesis of Metal Selenide Nanoparticles, Thin Films and Alloys

Khan, Malik Dilshas (University of Zululand, 2018)

Metal selenides are important semiconducting materials and are highly useful in various electronic and/or thermoelectric devices. Different synthetic protocols are available for preparation of metal selenide nanoparticles ...
Catalytic oxidation of cresols using molecular ozone

Ncanana, Zamani Siphephelo (University of Zululand, 2017)

Catalytic oxidation of cresols using molecular ozone. The environment, both in general and specifically our habitable segment is currently under threat from surfacing chemical pollutants that are generated mostly from ...
Synthesis of Cobalt (II) Schiff Base Complexes: potential precursors for Cobalt and Cobalt Sulfide Nanoparticles

Khoza, Sandile Humphrey (University of Zululand, 2017)

Schiff bases ligands and their cobalt complexes have been widely studied due to their attractive chemical and physical properties, which enables exploitation in a multiplicity of applications in several scientific areas. ...
Synthesis and characterisation of CdS and PbS nanoparticles in an imidazolium based ionic liquid

Tshemese, Zikhona (University of Zululand, 2018)

Semiconductor metal sulfides nanoparticles have been prepared using the imidazolium based ionic liquid surfactant as both the stabilizer and growth modifier. The structural and morphological properties of the as-prepared ...
Synthesis of Cadmium, Lead and Iron Sulfide Thin Films and Nanoparticles

Mlowe, Sixberth (University of Zululand, 2016)

The usefulness and application of semiconductor nanomaterials continue to expand the frontier of research in bringing their benefits via technological applications. Several synthetic methods for the preparation of semiconductor ...
Design, synthesis, and biological evaluation of Antimycobacterial agents from plant derived Betulinic acid, Oleanolic acid and their derivatives

Fadipe, Victor Olugbenga (University of Zululand, 2015)

Tuberculosis (TB) is a dangerous disease that has killed several millions of people globally in recent times. The available drugs for the treatment of the disease are not effective for complete cure and in most cases, ...
A facile hybrid method to synthesize metal and metal chalcogenide nanoparticles using various capping groups

Mntungwa, Nhlakanipho (2014)

The synthesis of bismuth (Bi), antimony (Sb) and tin (Sn) metal and metal chalcogenide nanoparticles is presented using a novel hybrid solution based high temperature method. Furthermore is the synthesis of zinc telluride ...
Synthesis and catalytic evaluation of chiral ferrocenyl p^p and p^n palladium(II) complexes

Masikane, Siphamandla Cecil (University of Zululand, 2013)

Chapter 2 outlines initial attempts made to synthesize analogues of the P,N-type chiral ligands (η5-C5H5)Fe(η5-C5H3-PPh2)C*H(OH)(3,5-R2pz) R = H SPNa and R = Me SPNb first prepared by Togni, and the P,P-type chiral ligands ...
Investigation of chemical constituents, antimicrobial and antioxidant activities; and pharmacognostic characters of the leaves of momordica foetida and berkheya bergiana

Odeleye, Olukayode Michael (University of Zululand, 2010)

This research work was aimed at the isolation, structural elucidation and pharmacological evaluation of the chemical constituents of M. foetida (Cucurbitaceae) and B. bergiana (Asteraceae) and to determine the pharmacognotic ...
Chemical composition and biological potential of the volatile and non-volatile constituents of tarchonanthus camphoratus and tarchonanthus trilobus var galpinni of KwaZulu–Natal province.

Nanyonga, Sarah Kiwanuka (University of Zululand, 2013)

The chemical composition and the biological activities of the volatile extracts (essential oils) and non-volatile (solvent extracts) of the aerial parts Tarchonanthus camphoratus and Tarchonanthus trilobus var galpinni ...
Synthesis of organically capped and water soluble metal sulfide semiconductor nanoparticles

Nejo, Ayorinde Olufunke (University of Zululand, 2013)

Well-defined faceted shaped organically and water soluble metal sulfide nanoparticles have been successfully synthesized using a hybrid solution based high temperature colloidal route in the presence of organic surfactants ...
Synthesis and characterization of cadmium selenide and zinc selenide nanoparticles

Dlamini, Nkosinathi Norman (University of Zululand, 2012)

An environmentally friendly synthetic route has been used to synthesize cadmium selenide and zinc selenide nanoparticles. Both aqueous and organically soluble selenide based nanoparticles have been synthesized via mild ...
Synthesis, characterisation and in vitro studies of metal complexes of some selected antimalarial drugs

Ajibade, Peter Adewale. (University of Zululand, 2005)

This project deals with the synthesis, characterization and in vitro studies of metal complexes of antimalarial drugs. The synthetic techniques were based on the modification of antimalarial drugs by the introduction of ...
Essential oil composition and some biological activities of tetradenia riparia

Khuzwayo, Joyce Khethiwe (University of Zululand, 2011)

This dissertation has a brief historical overview of medicinal plants, T. riparia and their traditional uses. The choice of the medicinal plant studied was based on the evidence in literature that oils of the species contain ...
Photochemical synthesis and characterization of mono- and bi-nuclear tungsen tetracarbonyl complexes of 2,2'-biquinoline and 2,3-bis(2- pyridyl) pyrazine

Musetha, Phumudzo Luvhengo (2002)

The mononuclear and binuclear complexes of the type [W(CO)4JL] and [{W(CO)4}2]L, where L= 2,3-bis(2-pyridyl)pyrazine(BPPX 2,2' -biquinoline^QN), 2,2,-bipyrimidine(BPY]Vf)J and 2,2'-bipyidine(BPY), have been synthesized by ...

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