Formulation of Polymer-Augmented Surfactant-Based Oil-Water Microemulsions for Application in Enhanced Oil Recovery.

This research explores the development of engineered oil-water microemulsions stabilized by a synergistic combination of polymer and surfactant to enhance stability and interfacial properties for improved enhanced oil recovery (EOR). Conventional surfactant-stabilized emulsions often suffer from phase instability and limited wettability alteration during water flooding and chemical injection, hindering the EOR efficiency. In contrast, our formulations incorporating polymers significantly increase the emulsion viscosity and resilience to temperature fluctuations, resulting in enhanced phase stability.

Effects of antibiotic supplementation vs. nutrient stress on α-linolenic acid and α-tocopherol in Scenedesmus sp.

The hormetic effects of antibiotics on Scenedesmus sp. werecompared with nitrogen limitationstrategies. We observed that 100 and 1000 nM supplementation with antibiotics could stimulate bothα-linolenic acid (ALA) and α-tocopherol productivities.

Tracking the surface structure and the influence of cations and anions on the double-layer region of a Au(111) electrode.

We examined the electric double-layer (EDL) of a Au(111) electrode in a dilute perchloric acid solution using a combination of capacitance measurements and scanning tunnelling microscopy under electrochemical conditions (ECSTM). The "camel-shaped" capacitance curve of the EDL is studied with different cations and anions, including their impact on the potential of zero charge (PZC). We show that the ECSTM images of thermally reconstructed and of the potential-induced surface reconstruction of Au(111) in perchloric acid electrolyte resemble previous work in sulphuric acid, displaying a herringbone pattern for a thermally reconstructed surface.

Intestinal Parasitosis among Pregnant Women Attending Antenatal Clinic at a Tertiary Care Hospital in Sikkim, a Northeastern State of India.

The research paper explores the burden and associated factors of intestinal parasitic infections among pregnant women in Sikkim, India, categorized as neglected tropical diseases affecting 1.5 billion globally, with higher rates in tropical regions. These infections pose significant health risks, causing anemia, poor maternal-perinatal health, and perpetuating generational undernutrition and recurrent infections.