Publications by authors named "K Rajan"
This study investigates the potentials of Chlorococcum humicolo algal biomass for the extraction of valuable biochemical and biodiesel production, with focus on the phycoremediation of textile dye effluents. The alga was cultivated in three media: CFTRI medium, combined dye effluent, and dye bath effluent in the laboratory. The highest cell count (254 × 10 cells/ml) and lowest oil content (16.
View Article and Find Full Text PDFBy reflecting on the history and environmental impact of conventional biorefining, such as kraft pulping, we aim to explore important questions about how natural polymers can be more sustainably sourced to develop bio-products and reduce reliance on plastics. Since the Industrial Revolution, chemical pulping processes have enabled the mass production of cellulosic products from woody biomass. Kraft pulping, which dominates within modern pulp and paper mills, has significantly contributed to environmental pollution and carbon emissions due to sulfurous byproducts and its high water and energy consumption.
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- This study explored the connection between blood pressure variability (BPV) and cognitive function in older adults, particularly focusing on those over 65 years old.
- Researchers analyzed data from 4,770 participants from the Chicago Health and Aging Project, measuring blood pressure every three years and assessing cognitive abilities through standardized tests.
- Results indicated that higher BPV was linked to lower cognitive scores, especially among older Black adults, suggesting that fluctuations in blood pressure could contribute to cognitive decline as people age.
Background: Evidence suggests that long-term exposure to air pollution may increase the risk of dementia and related cognitive outcomes. A major source of air pollution is automotive traffic, which is modifiable by technological and regulatory interventions.
Objectives: We examined associations of four traffic-related air pollutants with rates of cognitive decline in a cohort of older adults.
Article Synopsis
- - Individuals with subjective memory complaints (SMCs) have higher levels of neurodegeneration biomarkers like neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP), indicating increased neurodegenerative processes.
- - The study involved 1,096 older adults and found that those with more memory complaints experienced a 12% increase in NfL and a 9.4% increase in GFAP compared to those with fewer complaints.
- - Participants reporting more memory issues also showed a faster cognitive decline, suggesting that SMCs could help identify individuals at higher risk for neurodegenerative conditions.