Impacts of atmospheric particulate matter deposition on phytoplankton: A review.

In many rapidly urbanizing and industrializing countries, atmospheric pollution causes severe environmental problems and compromises the health of humans and ecosystems. Atmospheric emissions, which encompass gases and particulate matter, can be transported back to the earth's surface through atmospheric deposition. Atmospheric deposition supplies chemical species that can serve as nutrients and/or toxins to aquatic ecosystems, resulting in wide-ranging responses of aquatic organisms.

Nanoplastics enhance the toxic effects of titanium dioxide nanoparticle in freshwater algae Scenedesmus obliquus.

The increased usage of titanium dioxide nanoparticles (nTiO) in consumer products has led to their prevalence in freshwater systems. Nanoplastics, a secondary pollutant, can significantly influence the toxic effects of nTiO in freshwater organisms. The present study investigates the role of fluorescent nanoplastics (FNPs) in modifying the harmful effects of P25 nTiO in freshwater algae Scenedesmus obliquus.

Mixture toxicity of TiO NPs and tetracycline at two trophic levels in the marine ecosystem: Chlorella sp. and Artemia salina.

Increasing usage of both nanomaterials and pharmaceuticals and their unabated release to the marine ecosystem pose a serious concern nowadays. The toxicity of the mixture of TiO NPs and tetracycline (TC) in the marine species are not very well covered in prior literature. The current study explores the joint toxic effects of TiO NPs and TC in a simulated marine food chain: Chlorella sp.

Toxicity evaluation of nano-TiO in the presence of functionalized microplastics at two trophic levels: Algae and crustaceans.

The rising use of contaminants such as nanoparticles and microplastics has taken a heavy toll on the marine environment. However, their combined toxic effects on the species across various trophic levels remain quite unexplored. The aim of this study was to explore the effects of three surface-functionalized (carboxylated, plain, and aminated) polystyrene microplastics on nano-TiO toxicity across two trophic levels containing Chlorella sp.

Interactive effects of micro/nanoplastics and nanomaterials/pharmaceuticals: Their ecotoxicological consequences in the aquatic systems.

Micro/nanoplastics are ubiquitous in the environment and cause pollution of the aquatic ecosystem, in particular, which is a serious concern worldwide. Micro/nanoplastics can act as a vector for multiple co-contaminants that co-exist in the aquatic environment. Apart from micro/nanoplastics, nanomaterials and pharmaceuticals are other emerging contaminants that can also raise severe problems.

Combined effects of nano-TiO and hexavalent chromium towards marine crustacean Artemia salina.

There has been a significant increased concern of the impact of the toxicity of multiple contaminants in the marine environment. Thus, this study was aimed at determining whether the interaction between nano-TiO and Cr(VI) would modulate their toxic effects with the marine crustacean, Artemia salina. Nano-TiO agglomerated in artificial sea water (ASW) and readily formed micron-sized particles that settled down in the medium.

Tetracycline affects the toxicity of P25 n-TiO towards marine microalgae Chlorella sp.

Pollutants such as n-TiO and tetracycline enter the marine environment through various sources starting from their production until disposal. Hence, it is vital to determine the interactive effect of one pollutant with the other when they coexist in the environment. In the present study, the effect of antibiotic - tetracycline (TC) on the toxicity of P25 n-TiO was studied with marine microalgae, Chlorella sp.

Diminishing bioavailability and toxicity of P25 TiO NPs during continuous exposure to marine algae Chlorella sp.

Titanium dioxide nanoparticles (TiO NPs) find applications in our day-to-day life because of unique physicochemical properties. Their release into the aquatic environment poses a possible risk to the organisms. However, the continuing exposure of NPs might reduce their bioavailability to marine organisms owing to aggregation and sedimentation in the aqueous systems thus significantly reducing their toxic impact.

Differential sensitivity of marine algae Dunaliella salina and Chlorella sp. to P25 TiO NPs.

The use of P25 TiO NPs in consumer products, their release, and environmental accumulation will have harmful effects on the coastal ecosystems. The sensitivity to TiO NPs may vary depending on the structural property and physiological mechanism of algal species. Therefore, the present study investigates the differences in sensitivity of two marine algae, Dunaliella salina and Chlorella sp.

Toxicity and trophic transfer of P25 TiO NPs from Dunaliella salina to Artemia salina: Effect of dietary and waterborne exposure.

The recent increase in nanoparticle (P25 TiO NPs) usage has led to concerns regarding their potential implications on environment and human health. The food chain is the central pathway for nanoparticle transfer from lower to high trophic level organisms. The current study relies on the investigation of toxicity and trophic transfer potential of TiO NPs from marine algae Dunaliella salina to marine crustacean Artemia salina.

Chitosan stabilized camptothecin nanoemulsions: Development, evaluation and biodistribution in preclinical breast cancer animal mode.

Clinical use of camptothecin (CPT) is hindered due to its poor water and oil solubility, active lactone ring instability and non-targeted toxicity. Recently we reported formulation of camptothecin microemulsions with increased solubility for the improved treatment of breast cancer. In this research chitosan stabilized camptothecin nanoemulsions (CHI-CPT-NEs) were formulated improve the cancer targeting efficiency of CPT.

Nano interfaced biosensor for detection of choline in triple negative breast cancer cells.

Choline, a type of Vitamin B, is an important nutrient in the human body and is involved in key metabolic pathways. Abnormal levels of choline leads to diseased conditions. The levels of choline and its associated compounds are found to be elevated in triple negative breast cancer (TNBC) patients.