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Abundance, characteristics, and potential neuromuscular effects of ingested microplastics In channa striata (Mudfish) and oreochromis niloticus (Nile Tilapia) from Napindan Channel of Pasig River, Taguig City 6

By: Masucbol, Nesette Morados, Patrizia Starr Sico, Gabriel Valdez, Denise Nicole 4 0 16, [, ] | [, ] |

Contributor(s): 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; 4507846Edition: Description: 128 pagesContent type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- -- -- 20 -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Action note: In: Summary: ABSTRACT Microplastic pollution is an emerging concern in the environment since accumulation of these particles has been a rampant phenomenon today. Particularly, these minute fragments of waste materials reach not only terrestrial areas, but also water bodies. With the accumulation of microplastics in aquatic environments, organisms that reside in these ecosystems began being susceptible to microplastic ingestion which poses as a massive issue since many aquatic organisms are consumed by humans as food, allowing humans to be open to the bioaccumulation of microplastics as well. In this study, the abundance, characteristic, and potential neuromuscular effects of microplastic ingestion were analyzed in wild Channa striata (Mudfish) and Oreochromis niloticus (Nile tilapia) from Napindan Channel of Pasig River. Interestingly, the researchers only found 1 microplastic in one of the wild O. niloticus samples, but in addition to that, the researchers had also noted presence of 1 macroplastic in one of the wild C. striata samples. The characteristics of the plastics found are transparent in color, irregularly shaped, filamentous, and 4mm - 23mm in size. Regarding the potential neuromuscular effects of MP ingestion, the researchers could only test the samples that had ingested MP particles, so both of the wild C. striata and O. niloticus samples were tested and compared to two samples from the control groups. It was found that there is no significant difference in the dorsal muscle cholinesterase activity between the experimental group and the control group, which may have been caused by the minimal to no ingestion of MPs by the wild C. striata and O. niloticus samples. Keywords: Microplastics, Abundance, Characteristics, Acetylcholinesterase, Cholinesterase, Enzyme Activity, Channa striata, Oreochromis niloticus, Napindan Channel. Other editions:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Filipiniana Section	Filipiniana-Thesis	QH301 M37 2023 (Browse shelf)	Available		FT8324

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Undergraduate Thesis: (Bachelor of Science in Biology) - Pamantasan ng Lungsod n g Maynila, 2023 56

ABSTRACT Microplastic pollution is an emerging concern in the environment since accumulation of these particles has been a rampant phenomenon today. Particularly, these minute fragments of waste materials reach not only terrestrial areas, but also water bodies. With the accumulation of microplastics in aquatic environments, organisms that reside in these ecosystems began being susceptible to microplastic ingestion which poses as a massive issue since many aquatic organisms are consumed by humans as food, allowing humans to be open to the bioaccumulation of microplastics as well. In this study, the abundance, characteristic, and potential neuromuscular effects of microplastic ingestion were analyzed in wild Channa striata (Mudfish) and Oreochromis niloticus (Nile tilapia) from Napindan Channel of Pasig River. Interestingly, the researchers only found 1 microplastic in one of the wild O. niloticus samples, but in addition to that, the researchers had also noted presence of 1 macroplastic in one of the wild C. striata samples. The characteristics of the plastics found are transparent in color, irregularly shaped, filamentous, and 4mm - 23mm in size. Regarding the potential neuromuscular effects of MP ingestion, the researchers could only test the samples that had ingested MP particles, so both of the wild C. striata and O. niloticus samples were tested and compared to two samples from the control groups. It was found that there is no significant difference in the dorsal muscle cholinesterase activity between the experimental group and the control group, which may have been caused by the minimal to no ingestion of MPs by the wild C. striata and O. niloticus samples. Keywords: Microplastics, Abundance, Characteristics, Acetylcholinesterase, Cholinesterase, Enzyme Activity, Channa striata, Oreochromis niloticus, Napindan Channel.

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