Municipal Waste Plastic conversion into Different Category Liquid Hydrocarbon Fuel

Sarker, Moinuddin

doi:10.5772/16276

Chemistry, Emission Control, Radioactive Pollution and Indoor Air Quality 2011

DOI: 10.5772/16276

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Municipal Waste Plastic conversion into Different Category Liquid Hydrocarbon Fuel

Moinuddin Sarker¹

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Cited by 3 publications

References 30 publications

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Antioxidant and chemoprotective potential of Streptomyces levis strain isolated from human gut

2023

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In the current study, Streptomyceslevis strain HFM-2 has been isolated from healthy human gut. Streptomyces sp. HFM-2 was identified based on the polyphasic approach that included cultural, morphological, chemotaxonomical, phylogenetic, physiological, and biochemical characteristics. 16S rRNA gene sequence of strain HFM-2 exhibited 100% similarity with Streptomyceslevis strain 15423 (T). The EtOAc extract of Streptomyceslevis strain HFM-2 showed potential antioxidant activity, along with 69.53 ± 0.19%, 64.76 ± 0.13%, and 84.82 ± 0.21% of scavenging activity for ABTS, DPPH, and superoxide radicals, respectively at 600 µg/mL. The IC50 values i.e. 50% scavenging activity for DPPH, ABTS, and superoxide radicals were achieved at 497.19, 388.13, and 268.79 (µg/mL), respectively. The extract's reducing power and total antioxidant capacity were determined to be 856.83 ± 0.76 and 860.06 ± 0.01 µg AAE/mg of dry extract, respectively. In addition, the EtOAc extract showed protection against DNA damage from oxidative stress caused by Fenton’s reagent, and cytotoxic activity against HeLa cervical cancer, Skin (431) cancer, Ehrlich-Lettre Ascites-E (EAC) carcinoma, and L929 normal cell lines. The IC50 values against HeLa, 431 skin, and EAC carcinoma cell lines were found to be 50.69, 84.07, and 164.91 µg/mL, respectively. The EtOAc extract showed no toxicity towards L929 normal cells. In addition, flow cytometric analysis exhibited reduced mitochondrial membrane potential (MMP), and enhanced levels of reactive oxygen species (ROS). The EtOAc extract was chemically analyzed using GCMS to determine the components executing its bioactivities.

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Antioxidant and chemoprotective potential of Streptomyces levis strain isolated from human gut

2023

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Synthesis of C5-C22 Hydrocarbon Fuel From Ethylene-Based Polymers

Chukwuneke¹,

Sylvester²,

Kubor³

et al. 2014

IJSER

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Determination of VOCs in the Indoor Air of a New and a Renovated Apartment

Mečiarová

Vilčeková

2016

Selected Scientific Papers - Journal of Civil Engineering

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This study deals with the occurrence of volatile organic compounds (VOCs) in the indoor environment of a new and a renovated apartment. Qualitative determination of VOCs was carried out with a gas chromatograph with surface acoustic wave detector (GC/SAW). Concentrations of total volatile organic compounds (TVOC) were determined by a photoionization detector with UV lamp. Simultaneously, temperature and relative humidity were monitored with a data logger. The aim of this study was to determine of TVOC concentrations, to use of GC/SAW for determination of individual VOCs in indoor air as well as to predict possible sources of VOCs in these apartments. Measurements were performed after each construction work for better resolution of the contributions of individual materials to the levels of VOC. Mean concentrations of TVOC were 624 μg/m3 in the renovated apartment and 1,686 μg/m3 in the new apartment after completion of all works. The results from the renovated apartment showed that the use of new materials can lead to lower levels of organic compounds in indoor air compared to old materials that were less environmentally friendly. Many types of VOCs were found in both apartments. After reviewing the possible sources, it seems that the main sources of these substances were applied coatings and flooring materials.

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Municipal Waste Plastic conversion into Different Category Liquid Hydrocarbon Fuel

Cited by 3 publications

References 30 publications

Antioxidant and chemoprotective potential of Streptomyces levis strain isolated from human gut

Antioxidant and chemoprotective potential of Streptomyces levis strain isolated from human gut

Synthesis of C5-C22 Hydrocarbon Fuel From Ethylene-Based Polymers

Determination of VOCs in the Indoor Air of a New and a Renovated Apartment

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