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Browsing by Author Tran, Manh Tri

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  • Analysis and Evaluation of Contamination Status of Polycyclic Aromatic Hydrocarbons (PAHs) in Settled House and Road Dust Samples from Hanoi

    • Authors: Hoang, Quoc Anh; Takahashi, Shin; Duong, Thi Thao; Nguyen, Hung Thai; Pham, Thanh Khiet; Nguyen, Thi Quynh Hoa; Le, Thi Phuong Quynh; Le, Nhu Da; Tu, Binh Minh; Tran, Manh Tri (2019)

  • Concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in settled house dust and road dust samples collected from a core urban area of Hanoi. Levels of PAHs ranged from 830 to 3500 (median 2000) ng/g in house dust, and from 1400 to 4700 (median 1700) ng/g in road dust. Concentrations of PAHs in dust samples of this study were within the moderate range as compared with those from other countries in the world. Toxic equivalents to benzo[a]pyrene (BaP-EQs) in our samples ranged from 81 to 850 (median 330) ng BaP-EQ/g with principal contributors as BaP and dibenz[a,h]anthracene, which accounted for 69% to 93% of BaP-EQs. In almost all the samples, proportions of high...
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  • Article

  • Determination method and distribution of phthalate diesters in beverage collected from Hanoi, Vietnam

    • Authors: Le, Minh Thuy; Nguyen, Thị Ngoc Anh; Le, Thi Trinh; Le, Quang Huong; Pham, Thi Phuong Thao; Nguyen, Quang Trung; Tran, Manh Tri (2018)

  • Phthalates, industrial synthetic chemicals, have been widely used in consumer products to improve the flexibility of plastics. The fact shows that the more plastic products (cosmetics, beverage covered by plastic, personal care products, food wrap film, etc.) are used, therefore, the more phthalates are found in various environments such as sludge, dust, air, and water. In spite of their significant benefits in our lives and industry, their effects on the reproductive and toxicities in laboratory animals have been shown. However, the comprehension of phthalates has been limited. In this work, the method for determination of phthalates in beverage by gas chromatography tandem mass spec...
  • document(6).pdf.jpg
  • Article

  • Study on Determination Method of Cyclic Siloxanes in Personal Care Products Collected from Hanoi, Vietnam

    • Authors: Tran, Manh Tri; Nguyen, Le Hoai Linh (2018)

  • Cyclic siloxanes are widely used in beauty products as softener and polisher. Howeve, very few studies have reported the occurrence and amount of cyclic siloxanes in personal care products (PCPs). In this research, the analysis method of cyclic siloxanes including octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6) in PCPs was developed by using a gas chromatography-mass spectrometry (GC/MS) system. The method detection limits and the method quantification limits of individual cyclic siloxanes were 0.7 ng/g and 2.0 ng/g, respectively. Mean recoveries of surrogate compound (M4Q) and target compounds for the procedural blanks rang...

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Browsing by Author Tran, Manh Tri

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 1 to 3 of 3
  • document(7).pdf.jpg
  • Article

  • Analysis and Evaluation of Contamination Status of Polycyclic Aromatic Hydrocarbons (PAHs) in Settled House and Road Dust Samples from Hanoi

    • Authors: Hoang, Quoc Anh; Takahashi, Shin; Duong, Thi Thao; Nguyen, Hung Thai; Pham, Thanh Khiet; Nguyen, Thi Quynh Hoa; Le, Thi Phuong Quynh; Le, Nhu Da; Tu, Binh Minh; Tran, Manh Tri (2019)

  • Concentrations of 16 polycyclic aromatic hydrocarbons (PAHs) were determined in settled house dust and road dust samples collected from a core urban area of Hanoi. Levels of PAHs ranged from 830 to 3500 (median 2000) ng/g in house dust, and from 1400 to 4700 (median 1700) ng/g in road dust. Concentrations of PAHs in dust samples of this study were within the moderate range as compared with those from other countries in the world. Toxic equivalents to benzo[a]pyrene (BaP-EQs) in our samples ranged from 81 to 850 (median 330) ng BaP-EQ/g with principal contributors as BaP and dibenz[a,h]anthracene, which accounted for 69% to 93% of BaP-EQs. In almost all the samples, proportions of high...
  • document(13).pdf.jpg
  • Article

  • Determination method and distribution of phthalate diesters in beverage collected from Hanoi, Vietnam

    • Authors: Le, Minh Thuy; Nguyen, Thị Ngoc Anh; Le, Thi Trinh; Le, Quang Huong; Pham, Thi Phuong Thao; Nguyen, Quang Trung; Tran, Manh Tri (2018)

  • Phthalates, industrial synthetic chemicals, have been widely used in consumer products to improve the flexibility of plastics. The fact shows that the more plastic products (cosmetics, beverage covered by plastic, personal care products, food wrap film, etc.) are used, therefore, the more phthalates are found in various environments such as sludge, dust, air, and water. In spite of their significant benefits in our lives and industry, their effects on the reproductive and toxicities in laboratory animals have been shown. However, the comprehension of phthalates has been limited. In this work, the method for determination of phthalates in beverage by gas chromatography tandem mass spec...
  • document(6).pdf.jpg
  • Article

  • Study on Determination Method of Cyclic Siloxanes in Personal Care Products Collected from Hanoi, Vietnam

    • Authors: Tran, Manh Tri; Nguyen, Le Hoai Linh (2018)

  • Cyclic siloxanes are widely used in beauty products as softener and polisher. Howeve, very few studies have reported the occurrence and amount of cyclic siloxanes in personal care products (PCPs). In this research, the analysis method of cyclic siloxanes including octamethylcyclotetrasiloxane (D4), decamethylcyclopentasiloxane (D5), and dodecamethylcyclohexasiloxane (D6) in PCPs was developed by using a gas chromatography-mass spectrometry (GC/MS) system. The method detection limits and the method quantification limits of individual cyclic siloxanes were 0.7 ng/g and 2.0 ng/g, respectively. Mean recoveries of surrogate compound (M4Q) and target compounds for the procedural blanks rang...