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Membership type: full

Zikhona Tywabi-Ngeva

Country of origin: South Africa Currently in: South Africa, Port Elizabeth General field of specialization: Chemical Sciences
Academic Background

Degrees

2015 Doctorate Chemical Sciences
2012 Master Chemical Sciences
Research and Profession

Current Research Activities

Chemical Sciences

Nanotechnology Nanomaterials Renewable energy Ionic liquids Agricultural residues Water treatment Nanocomposites

Research Keywords: 
nanocomposites
nanomaterials
structural analysis at nanoscale
nanoscience

Publications resulting from Research: 


 Z. Tywabi, N. Deenadayalu, I. Bahadur and T. Hofman. J. Chemical Thermodynamics 2012, Volume 49, pages 24-38.
Volumetric properties of ternary (IL + 2-propanol or 1-butanol or 2-butanol + ethyl acetate) systems and binary (IL + 2-propanol or 1-butanol or 2-butanol) and (1-butanol or 2-butanol + ethyl acetate) systems.
 I. Bahadur, N. Deenadayalu, Z. Tywabi, S. Sen and T. Hofman. J. Chemical Thermodynamics 2013, Volume 61, pages 180-181.
Corrigendum to “Volumetric properties of ternary (IL + 2-propanol or 1-butanol or 2-butanol + ethyl acetate) systems and binary (IL + 2-propanol or 1-butanol or 2-butanol) and (1-butanol or 2-butanol + ethyl acetate) systems.
 Z. Tywabi, N. Deenadayalu, B. Sithole. Journal of Scientific & Industrial Research Vol. 76, March 2017, pp. 160-172.
Dissolution of South African Eucalyptus Sawdust Wood in [Emim][OAc]/Co-Solvent Mixtures.
 Z. Tywabi, N. Deenadayalu, B. Sithole. Journal of Scientific & Industrial Research Vol. 76, September 2017, pp. 540-544.
Study of Cellulose-Rich Materials Recovered After Dissolution of Sulphite Pulp from South African Eucalyptus Wood in [C2mim][OAc]/co-Solvent Mixtures.
 Segun Daniel Oladipo, Tunde Lewis Yusuf, Sizwe Joshua Zamisa, Gideon Femi Tolufashe, Kolawole Ayodapo Olofinsan, Zikhona Tywabi-Ngeva and Nonhlangabezo Mabuba. European Journal of Chemistry, June 2021, 12 (2), 204-215.
Synthesis, crystal structure with free radical scavenging activity and theoretical studies of Schiff bases derived from 1-naphthylamine, 2,6-diisopropylaniline, and substituted benzaldehyde.
 Soon Woong Chang, Murugesan Chandrasekaran, Zikhona Tywabi-Ngeva, Pandi Boomi, S Ravikumar, Mohd Shahbaaz Shahbaaz, Magda H Abdellattif, M Razia. Research Square, April 2021, DOI: 10.21203/rs.3.rs-467364/v1.
Bio-Inspired Fabrication of Silver Nanoparticles Using High Altitude Squamulose Lichen Extract and Evaluation of its Antioxidant, Anticandida and Cytotoxic properties.




Current profession

Current professional activities type: 
Research
Teaching
Teach 1st, 2nd and honours students (General Chemistry, Material Science and Physical Chemistry). Supervise MSc, PhD students and Post-doctoral Fellows. Raise funding for Nanofiber Composites projects. Write research articles and reviews for publication and disseminate findings in conferences

Workshop and Conference Attended

2021 ITALY GREEN CHEMISTRY 14TH POSTGRADUATE SUMMER SCHOOL

Affiliations

SACI

Presentation given

2021
Formulation and Characterization of the Natural Fiber/Polymer Composites from Waste Pineapple Leaf Fibers
VENEZIA, ITALY
Event: GREEN CHEMISTRY 14TH POSTGRADUATE SUMMER SCHOOL

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