Metal–organic framework-based compounds have recently gained great attention because of their unique porous structure,ordered porosity,and high specific surface area.Benefiting from these superior properties,metal–o...Metal–organic framework-based compounds have recently gained great attention because of their unique porous structure,ordered porosity,and high specific surface area.Benefiting from these superior properties,metal–organic framework-based compounds have been proven to be one of the most potential candidates for environmental governance and remediation.In this review,the different types of metal–organic framework-based compounds are first summarized.Further,the various environmental applications of metal–organic framework-based compounds including organic pollutant removal,toxic and hazardous gas capture,heavy metal ion detection,gas separation,water harvesting,air purification,and carbon dioxide reduction reactions are discussed in detail.In the end,the opportunities and challenges for the future development of metal–organic framework-based compounds for environmental applications are highlighted.展开更多
The current study estimates the contamination status of heavy metals in fish organs of three local fish species including Amblypharyngodon microlepis(Mola),Trichogaster chuna(Chuna Khalisha)and Annaldale Loach(Gutum f...The current study estimates the contamination status of heavy metals in fish organs of three local fish species including Amblypharyngodon microlepis(Mola),Trichogaster chuna(Chuna Khalisha)and Annaldale Loach(Gutum fish)which were collected from Turag river during the months from January to March 2022.The heavy metal concentrations of river water and fish organs were assessed through Atomic Absorption Spectrophotometer(AAS).Heavy metals in river water was detected in the order of Ni>Zn>Cu>Cd>Pb>Cr while metal accumulation in the fish organs were detected in the order of Zn>Cr>Cu>Pb>Cd,Zn>Cu>Cr>Pb>Cd and Zn>Cu>Cr>Pb>Cd for Trichogaster chuna,Amblypharyngodon microlepis and Annaldale Loach respectively.Among the detected heavy metals,highest contamination factor(CF)of Zn(1.104198)in intestine and lowest CF of Cu(0.00315)was detected in muscle of Amblypharyngodon microlepis(Mola).On the other hand,highest CF of Cd(1.072772)in liver and lowest CF of Zn(0.0225016)in gill of Trichogaster chuna(Chuna Khalisha)was detected.In case of Annaldale Loach(Gutum fish),highest CF of Cu(0.304122)in liver and lowest CF of Zn(0.002593)in intestine was detected.The total target hazard quotients(TTHQ)values of Amblypharyngodon microlepis in liver(1.18816)exceeded allowable threshold of 1 while TTHQ values in the muscle(1.8862)and liver(1.03995)of Annaldale Loach(Gutum fish)surpassed the acceptable standard limit as well.The TTHQ values(Gill-0.18764,Muscle-2.1633,Intestine-1.68741,liver-1.03995,kidney-1.82188)for all of the organs of Trichogaster chuna(Chuna Khalisha)exceeded the acceptable standard limit which indicated possible non-cancer risk for all consumers and some of the fishes found unsafe if they are consumed for a longer time.However,the target cancer risk(TCR)values indicated no potential cancer risks by consumption of those fishes.The regulatory authorities should pay more attention to reduce the river water contamination through industrial effluents which might affect public health.展开更多
基金supported by the National Natural Science Foundation of China(NSFC-U1904215,21671170)the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions(TAPP).
文摘Metal–organic framework-based compounds have recently gained great attention because of their unique porous structure,ordered porosity,and high specific surface area.Benefiting from these superior properties,metal–organic framework-based compounds have been proven to be one of the most potential candidates for environmental governance and remediation.In this review,the different types of metal–organic framework-based compounds are first summarized.Further,the various environmental applications of metal–organic framework-based compounds including organic pollutant removal,toxic and hazardous gas capture,heavy metal ion detection,gas separation,water harvesting,air purification,and carbon dioxide reduction reactions are discussed in detail.In the end,the opportunities and challenges for the future development of metal–organic framework-based compounds for environmental applications are highlighted.
文摘The current study estimates the contamination status of heavy metals in fish organs of three local fish species including Amblypharyngodon microlepis(Mola),Trichogaster chuna(Chuna Khalisha)and Annaldale Loach(Gutum fish)which were collected from Turag river during the months from January to March 2022.The heavy metal concentrations of river water and fish organs were assessed through Atomic Absorption Spectrophotometer(AAS).Heavy metals in river water was detected in the order of Ni>Zn>Cu>Cd>Pb>Cr while metal accumulation in the fish organs were detected in the order of Zn>Cr>Cu>Pb>Cd,Zn>Cu>Cr>Pb>Cd and Zn>Cu>Cr>Pb>Cd for Trichogaster chuna,Amblypharyngodon microlepis and Annaldale Loach respectively.Among the detected heavy metals,highest contamination factor(CF)of Zn(1.104198)in intestine and lowest CF of Cu(0.00315)was detected in muscle of Amblypharyngodon microlepis(Mola).On the other hand,highest CF of Cd(1.072772)in liver and lowest CF of Zn(0.0225016)in gill of Trichogaster chuna(Chuna Khalisha)was detected.In case of Annaldale Loach(Gutum fish),highest CF of Cu(0.304122)in liver and lowest CF of Zn(0.002593)in intestine was detected.The total target hazard quotients(TTHQ)values of Amblypharyngodon microlepis in liver(1.18816)exceeded allowable threshold of 1 while TTHQ values in the muscle(1.8862)and liver(1.03995)of Annaldale Loach(Gutum fish)surpassed the acceptable standard limit as well.The TTHQ values(Gill-0.18764,Muscle-2.1633,Intestine-1.68741,liver-1.03995,kidney-1.82188)for all of the organs of Trichogaster chuna(Chuna Khalisha)exceeded the acceptable standard limit which indicated possible non-cancer risk for all consumers and some of the fishes found unsafe if they are consumed for a longer time.However,the target cancer risk(TCR)values indicated no potential cancer risks by consumption of those fishes.The regulatory authorities should pay more attention to reduce the river water contamination through industrial effluents which might affect public health.
