Boric acid and its less-known derivative lithium metaborate are inorganic acids used in a wide diverse array of industrial clinical applications. In particular, boric is accepted as natural antimicrobial agent due to activity on many different microbial species. We have examined the possible dependency metaborate-induced yeast toxicity deletion antioxidative CTT1, TRR2 GSH2 genes expressions ce...

Excessive levels of heavy metal(loid)s (HMs) in natural environments pose a serious threat to living beings worldwide. HM exposure causes irreversible damage structural components and metabolic processes organisms, as has been observed multiple studies on various organisms. In the environment, biological individuals interact with others through food web rather than exist independently, which fa...

Landfill monitoring is necessary to avoid adverse environmental impacts. Toxicity tests are now incorporated into landfill hazard assessment. Toxicity of leachate in a lagoon draining the AbaEku landfill, Ibadan, Nigeria was investigated using bioassays. 96hr bioassays were carried out using arthropods (Insecta larvae of Chironomus sp.; Culex pipiens); amphibians (tadpoles of Bufo regularis); a...

Deltamethrin is a pyrethroid insecticide used extensively to control invertebrate pests on cotton and other crops. It is acutely toxic to nontarget aquatic organisms, but existing toxicity data are mostly from toxicity tests using purified laboratory water that differs greatly from the turbid, high-conductivity rivers in the cotton-growing regions of Australia. The aim of this study was to dete...

The influence of a commercial humic acid (Aldrich; AHA) on the development of anthracene photoinduced toxicity to the duckweed Lemna gibba was examined using both roomand low-temperature (778K) chlorophyll fluorescence assays. Plants were exposed to 2 mg liter21 anthracene both with and without 6.2 mg liter21 of AHA and grown under either visible light or simulated solar radiation that mimics t...

The environmental risk assessment of metals in the soil compartment is based mainly on tests performed in Organization for Economic Cooperation and Development (OECD) artificial soil, but ecologically, the use of natural soils would be more relevant. In this contribution, the reproduction and growth of three standard species (an earthworm, a collembolan, and a dicotyledonous plant, respectively...

acetaminophen is an analgesic and antipyretic drug, which is widely used by public and poisoning with this drug, is common. one of the most important adverse effects of acetaminophen poisoning is centrilobullar necrosis in hepatic cells, which depends on activity of microsomal cytochrome p-450 (cyp) enzymes. the aim of this investigation was to find out the protective effect of nifedipine again...