Strategic use of crop residue biochars for removal of hazardous compounds in wastewater

SH Cho, S Jung, JH Park, S Lee, Y Kim, J Lee… - Bioresource …, 2023 - Elsevier
Crop residues are affordable lignocellulosic waste in the world, and a large portion of the
waste has been burned, releasing toxic pollutants into the environment. Since the crop …

Reproductive toxicity due to herbicide exposure in freshwater organisms

C Yang, W Lim, G Song - Comparative Biochemistry and Physiology Part C …, 2021 - Elsevier
Excessively used pesticides in agricultural areas are spilled into aquatic environments,
wherein they are suspended or sedimented. Owing to climate change, herbicides are the …

Methods optimization and application: Solid phase extraction, ultrasonic extraction and Soxhlet extraction for the determination of antiretroviral drugs in river water …

N Ngwenya, P Mahlambi - Journal of Pharmaceutical and Biomedical …, 2023 - Elsevier
The continuous release of antiretroviral drugs into the environmental has resulted in the
interest to assess their occurrence in various environmental matrices. Their presence has …

Optimization and application of QuEChERS and SPE methods followed by LC-PDA for the determination of triazines residues in fruits and vegetables from …

HM Mnyandu, PN Mahlambi - Food Chemistry, 2021 - Elsevier
QuEChERS and solid phase extraction (SPE) methods were optimized and applied for the
extraction of triazines in fruit and vegetables. These extraction methods are easy, effective …

SPE-LC-PDA method development and application for the analysis of selected pharmaceuticals in river and wastewater samples from South Africa

NB Hlengwa, PN Mahlambi - Water SA, 2020 - ajol.info
The occurrence of pharmaceutical compounds in the environment has been a growing
concern. However, there is little information on the concentration levels of pharmaceuticals …

Green analytical method based on salt assisted graphene oxide dispersive solid phase extraction of symmetrical triazine herbicides in environmental water samples …

H Bekele, N Megersa - International Journal of Environmental …, 2024 - Taylor & Francis
Graphene oxide (GO) was used as sorbent in dispersive solid phase extraction (DSPE) to
enrich and extract some triazine herbicides from environmental water samples. It can form …

Development and application of SPE-LC-PDA method for the determination of triazines in water and liquid sludge samples

PN Kunene, PN Mahlambi - Journal of environmental management, 2019 - Elsevier
The solid phase extraction method has been developed and applied for the simultaneous
analysis of the five most commonly used triazine pesticides. The analysis was conducted …

Assessment of antiretroviral drugs in vegetables: Evaluation of microwave‐assisted extraction performance with and without solid‐phase extraction cleanup

P Kunene, P Mahlambi - Separation Science Plus, 2023 - Wiley Online Library
This study presents unique data on concentrations of antiretroviral drugs,(abacavir,
nevirapine, and efavirenz) in the root, leaf, and fruit vegetables. The microwave‐assisted …

Comparison of ultrasonic and QuEChERS extraction methods efficiency for the determination of herbicides residues in soil and maize cob

S Zondo, P Mahlambi - Trends in Sciences, 2022 - tis.wu.ac.th
In this study, the optimization and application of ultrasonic extraction and QuEChERS
methods was conducted for the effective extraction of pesticides from maize and their …

Ultrasonic followed by solid phase extraction and liquid chromatography-photodiode array for determination of pharmaceutical compounds in sediment and soil

NB Hlengwa, PN Mahlambi - Bulletin of environmental contamination and …, 2020 - Springer
This work reports on the method optimization and application for quantitative analysis of non-
steroidal anti-inflammatory drugs and anti-epileptic drug in soil and sediment samples. The …