A Phase III equivalence drug trial for evaluation of efficacy and safety of SGPF â??Câ?? (an oral standardized herbal preparation) and SGPF â??Câ?? plus (with Guggul) in patients with symptomatic Osteoarthritis Knees: A randomized, double blind comparison with Oral Celecoxib and Glucosamine.

开始日期2006-01-12

申办/合作机构

National Environmental Engineering Research Institute

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2,769

项与 National Environmental Engineering Research Institute 相关的文献（医药）

2025-02-27·ACS Sustainable Resource Management

Conversion of Non-biodegradable Super Absorbing Polymer (SAP) Waste into MnO-rich Functional Supercapacitor Carbon by a Sustainable, Low-Temperature Activation Process

作者: Rayalu, Sadhana ; Jadhav, Sarika ; Rawat, Shivam ; Deshpande, Aparna ; Gosavi, Suresh ; Manohar, Kiran

A non-biodegradable super absorbing polymer (SAP) is primarily used in biomedical devices and female menstrual sanitary waste pads.Its safe disposal is a massive problem that needs global strategic cognizance.The sanitary waste is mainly comprised of high mol. weight acrylate-based polymers having higher water-absorbent properties with a significant carbon atom-based cross-linked backbone.Here we have derived a workable energy storage material from menstrual sanitary waste with minimal energy input, making it environmentally viable.In this study, a rich carbon matrix was produced from pyrolysis of sanitary waste pads with KMnO₄ based activation at 300°C.The obtained carbon showed the presence of MnO moieties having desirable properties as a supercapacitor electrode.The stored energy d. in the synthesized carbons was found to be 11.23 Wh kg^-1 at a 0.275 kW kg^-1 power d.The derived carbon shows excellent capacity retention of 84% and electrochem. stability until 10,000 cycles.These porous functional carbons produced from non-biodegradable SAPs thus make a sustainable potential resource for energy storage applications.

2025-02-01·Environmental Chemistry Letters

Generation, properties, and applications of singlet oxygen for wastewater treatment: a review

作者: Fedorov, Kirill ; Xiao, Ruiyang ; Nidheesh, Puthiya Veetil ; Ganiyu, Soliu O. ; Oladipo, Akeem Adeyemi ; Dionysiou, Dionysios D. ; Boczkaj, Grzegorz

A review.Contamination of drinking water sources with recalcitrant organic pollutants is a major health issue requiring advanced oxidation processes for the degradation of such pollutants.Here we review the use of advanced oxidation processes-based treatment of water, wastewater, and sludge, with focus on singlet oxygen production, reactivity mechanisms, and applications.Processes for single-oxygen production include photochem. production, decomposition of hydrogen peroxide, ozonides, endoperoxides, and sulfate radical-based advanced oxidationSinglet oxygen is one of the main non-radical reactive oxygen species that are generated during advanced oxidation processes.It is less reactive but highly selective toward electron-rich organic compounds, compared to hydroxyl and sulfate radicals.When generated in large quantities, singlet oxygen can be the dominant reactive oxygen species responsible for the degradation of targeted pollutants.Singlet oxygen is less affected by water matrix components including dissolved organic matter and scavenging by anions.

2024-12-20·International Journal of Environmental Analytical Chemistry

Polycyclic aromatic hydrocarbons in diverse agricultural soils of central India: occurrence, sources, and potential risks

作者: Sarkar, Abhijit ; Kumar, Asirvatham Ramesh ; Saha, Jayanta Kumar ; Lenka, Sangeeta ; Yadav, Dinesh Kumar ; Jayaraman, Somasundaram ; Gurjar, Suyog ; Patra, Ashok Kumar

Polycyclic aromatic hydrocarbons (PAHs) are a class of organic compounds found ubiquitously in the environment and pose serious threat to the environment and humans.PAHs have received considerable attention due to their carcinogenic properties.In this study, the 16 EPA priority PAHs were determined in agricultural surface soils (0-5 cm) from diverse agricultural land use systems in central India.∑₁₆ PAHs of different agricultural soil samples ranged from ND-122.52μg/kg.Total concentration of 7 carcinogenic PAHs ranged between ND and 101.64μg/kg.The levels of PAHs in different agricultural soil samples varied widely.In general, we observed that ∑₁₆ PAHs concentrations in agricultural soils have followed the order: sewage irrigated soil ≥ fly ash treated agricultural soil samples > horticulture land use soil > conservation agriculture soil > organic farming soil.PAH levels in fly ash-treated soils were 2-5 times higher than that in sewage-irrigated soils.PAHs containing four to five rings were the most common.Soil organic carbon (SOC) was pos. correlated with ∑₁₆ PAHs (p < 0.05).The principal sources of PAHs in these samples according to diagnostic ratios were biomass burning (grass, wood, crop residue) and coal combustion.In addition, it was found that agricultural soils treated with fly ash and sewage irrigated soils showed higher carcinogenic potential based on B[a]Peq TEQs.PAHs with higher carcinogenic potency in these contaminated soils indicate a higher level of health risk for humans.

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