metabolism of polycyclic aromatic hydrocarbons

... Characterization of Coke Plant Soil for the Assessment of Polycyclic Aromatic Hydrocarbons Availability and the F easibility of Phytoremediation 2.1 Introduction Polycyclic aromatic hydrocarbons ... characterization of coke plant soil for the assessment of polycyclic aromatic hydrocarbons availability and the feasibility of phytoremediation’, describes particle-scale characterization of contaminated ... 94 Properties of Transmission oil and Tar decanter sÌudge ccccsrree 101 Properties of the modeÌ sedirmerit «kh 1k6 101 Trang 12 Figure 2-1 Distribution of polycyclic aromatic hydrocarbons

Ngày tải lên: 13/11/2014, 15:58

... Journal of Natural Sciences and Technology, Vol 30, No (2014) 36-42 Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge ... Biodegradation aspects of Polycyclic Aromatic Hydrocarbons (PAHs): A review, Journal of Hazardous Materials 169 (2009) 1-15 Bach Quang Dung, Enhancement of intrinsic bioremendiation of PAHs-contaminated ... Journal of Natural Sciences and Technology, Vol 30, No (2014) 36-42 Effect of Surfactant on Degradation of Polycyclic Aromatic Hydrocarbons (pahs) in Thermophilic Anaerobic Co-Digestion of Sludge

Ngày tải lên: 19/02/2017, 18:54

... Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND ... with the level of BaP >2ng/g (European Union Regulations No 2011) including: fish fillets, 51 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons salads, fried tofu, grilled meat, ... Figure Distribution of PAHs (concentration of 100ppb) in the spiked sample blank for SIM mode 55 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons Table Retention time, monitored

Ngày tải lên: 14/01/2020, 17:37

... (2010), "Gas–particle partitioning and seasonal variation of polycyclic aromatic hydrocarbons in the atmosphere of Zonguldak, Turkey", Science of The Total Environment, 408, 5550-5558 [16] Agency ... (1995), "Toxicological profile for polycyclic aromatic hydrocarbons" , U.S Department of Health and Human Services, USA [17] Barbara J., Finlayson P., James N (2000), "Chemistry of the Upper and Lower ... (2011), "Gas–particle concentrations of atmospheric polycyclic aromatic hydrocarbons at an urban and a residential site in Osaka, Japan: Effect of the formation of atmospherically stable layer on

Ngày tải lên: 23/01/2021, 10:35

... Capabilities of Pure Culture of Bacteria in the Biodegradation of Polycyclic Aromatic Hydrocarbons and Total Petroleum Hydrocarbons in Oilfield Wastewater O Aleruchi* and O Obire Department of Microbiology, ... Ss Cc 50 21 Duration of incubation (Days) Fig.3 GC profile showing the polycyclic aromatic hydrocarbon (PAH) on Day Fig.4 GC profile showing the biodegradation of polycyclic aromatic hydrocarbon ... therefore investigated the capabilities of pure cultures of bacteria in the biodegradation of polycyclic aromatic hydrocarbons (PAHs) and total petroleum hydrocarbons (TPHs) in oilfield wastewater

Ngày tải lên: 28/06/2021, 09:36

... ĐỊNH CÁC HYDROCACBON THƠM ĐA VÒNG Animal and vegetable fats and oils - Determination of polycyclic aromatic hydrocarbons Lời nói đầu TCVN 9531:2012 hồn toàn tương đương với ISO 15753:2006 Sửa ... ĐỊNH CÁC HYDROCACBON THƠM ĐA VÒNG Animal and vegetable fats and oils - Determination of polycyclic aromatic hydrocarbons Phạm vi áp dụng Tiêu chuẩn quy định hai phương pháp xác định 15 hydrocacbon ... định nghĩa Trong tiêu chuẩn áp dụng thuật ngữ định nghĩa sau: 3.1 Hydrocacbon thơm đa vòng (polycyclic aromatic hydrocarbon) (PAH) Hợp chất có chứa hai nhiều hai vịng hydrocacbon thơm ngưng tụ

Ngày tải lên: 18/04/2022, 10:39

... Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) Tai Lieu Chat Luong Edited by Amy J Forsgren Wastewater Treatment Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) ... Wastewater Treatment: Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) Amy J Forsgren Harmful Algae Blooms in Drinking Water: Removal of Cyanobacterial Cells and Toxins Harold W ... W Walker ADDITIONAL VOLUMES IN PREPARATION Wastewater Treatment Occurrence and Fate of Polycyclic Aromatic Hydrocarbons (PAHs) Edited by Amy J Forsgren CRC Press Taylor & Francis Group 6000 Broken

Ngày tải lên: 04/10/2023, 15:49

... profiles of 2- to 7 -aromatic ring PAHs at HN1, HN2, HC1, HC3, and Y1 are shown in Fig The compositions of the 2- to 7-ring PAHs at the five 299 No Fig Profiles of 2- to 7 -Aromatic Rings of PAHs ... (1979) Polycyclic aromatic hydrocarbons in Gulf of Maine sediment and Nova Scotia soils Geochim Cosmochim Acta, 43, 27–33 Shiaris, M P and Jambard-Sweet, D (1986) Distribution of polycyclic aromatic ... 55–80% of α-HCH, 5– 14% of β-HCH, and 8–15% of γ-HCH, and the ratio of α-/γ-HCH was 5.3–6.7 The ratios of α-/γ-HCH at sampling sites HN1, HN2, HU1, HU2, and HC4 were 0.58–2.2, lower than those of

Ngày tải lên: 16/12/2017, 01:28

... Vietnam Journal of Science and Technology 56 (3) (2018) 324-334 DOI: 10.15625/2525-2518/56/3/11096 OPTIMIZATION OF ULTRASONIC EXTRACTION FOR DETERMINATION OF 16 POLYCYCLIC AROMATIC HYDROCARBONS ... lists because PAHs represent the Optimization of ultrasonic extraction for determination of 16 Polycyclic Aromatic Hydrocarbons … largest group of compounds that are mutagenic, carcinogenic, ... determination of 16 Polycyclic Aromatic Hydrocarbons … Half of a quartz fiber filter was cut into small species and placed in a 50 mL of brown centrifuge tube (Figure 1) Mixture of 16PAH compounds

Ngày tải lên: 03/03/2020, 21:05

... method was validated for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) from the FDA list of 93 harmful or potentially harmful constituents of mainstream cigarette smoke (MCS) Target ... comprising of vapour phase and particulate phase (total particulate matter, TPM) [1] MCS contains over 6500 compounds [2], more than 100 of which are established toxicants [3] Polycyclic aromatic hydrocarbons ... PAHs of the FDA HPHC list (GC–MS, GC–MS/MS and GC–HRMS) To our knowledge, this is the first study of measurement of all FDA specified PAHs in MCS for which the majority of data exceed the limit of

Ngày tải lên: 29/05/2020, 12:54

... Accumulation of Polychlorinated Biphenyls and Polycyclic Aromatic Hydrocarbons in the Snowpack of Minnesota and Lake Superior Thomas P Franz† and Steven J Eisenreich* Department of Environmental ... and ~870 kg accumulated in the snowcover of the basin The concentration of chemicals in runoff during snowmelt is influenced by the rate of thaw, runoff/terrestrial interactions, and additional ... Eisenreich, S.J 1990 Concentrations and fluxes of polycyclic aromatic hydrocarbons and polychlorinated biphenyls across the air-water interface of Lake Superior Environ Sci Technol 24: 342–352

Ngày tải lên: 18/10/2022, 16:06

... criteria of Polycyclic Aromatic Hydrocarbons in rubber and plastic components of articles placed on the market for supply to the general public in support of Regulation (EC) No 1907/2006 of the ... cartridges were 18 ng of benzo[a]anthracene (BaA), 90 ng of chrysene (Chr), 40 ng of benzo[b]fluoranthene (BbF), ng of benzo[k]fluoranthen (BkF), ng of benzo[j]fluoranthene (BjF), 100 ng of benzo[e]pyrene ... June 2018 Keywords: Polycyclic aromatic hydrocarbons Rubber and plastic materials Randall hot extraction Molecularly imprinted polymers a b s t r a c t Polycyclic Aromatic Hydrocarbons (PAHs)

Ngày tải lên: 31/12/2022, 09:50

... CÔNG NGHỆ TP HCM QUÁCH THỊ THANH MAI ĐÁNH GIÁ RỦI RO SỨC KHỎE DO PHƠI NHIỄM POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) TRONG KHƠNG KHÍ GIAO THƠNG TRÊN ĐỊA BÀN THÀNH PHỐ HỒ CHÍ MINH LUẬN ... CÔNG NGHỆ TP HCM QUÁCH THỊ THANH MAI ĐÁNH GIÁ RỦI RO SỨC KHỎE DO PHƠI NHIỄM POLYCYCLIC AROMATIC HYDROCARBONS (PAHs) TRONG KHƠNG KHÍ GIAO THƠNG TRÊN ĐỊA BÀN THÀNH PHỐ HỒ CHÍ MINH LUẬN ... sinh : Lâm Đồng MSHV : 1541810012 I- Tên đề tài: Đánh giá rủi ro sức khỏe phơi nhiễm polycyclic aromatic hydrocarbons (PAHs) khơng khí giao thơng địa bàn Thành phố Hồ Chí Minh II- Nhiệm vụ nội

Ngày tải lên: 31/12/2018, 16:01

... Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons DETERMINATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN BARBECUED PORK USING QUECHERS EXTRACTION AND ... with the level of BaP >2ng/g (European Union Regulations No 2011) including: fish fillets, 51 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons salads, fried tofu, grilled meat, ... Figure Distribution of PAHs (concentration of 100ppb) in the spiked sample blank for SIM mode 55 Nguyen Van Phuc Determination of polycyclic aromatic hydrocarbons Table Retention time, monitored

Ngày tải lên: 20/12/2019, 16:39

... EFFECTS OF SURFACTANT ON BIODEGRADATION OF MODEL POLYCYCLIC AROMATIC HYDROCARBONS LI JINGLIANG (M Eng TIANJIN UNIV) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL ... of wt% Tergitol 15-S-5 101 5.4 Cloud point of Tergitol 15-S-7 as a function of surfactant concentration 102 5.5 Effect of Inorganic Salts on Cloud Point of wt%Tergitol 15-S-7 104 5.6 Effect of ... of interest There are many factors that can affect the partition of solutes Several authors have studied the effect of various experimental factors on the partition mainly of polar aromatic hydrocarbons...

Ngày tải lên: 16/09/2015, 17:11

... KH-41-01-373-EN-N Ambient air pollution by Polycyclic Aromatic Hydrocarbons (PAH) Position Paper ISBN 92-894-2057-X OFFICE FOR OFFICIAL PUBLICATIONS OF THE EUROPEAN COMMUNITIES L-2985 Luxembourg ... acknowledged Ambient Air Pollution by Polycyclic Aromatic Hydrocarbons (PAH) Position Paper July 27th 2001 Prepared by the Working Group On Polycyclic Aromatic Hydrocarbons PAH Position Paper July ... are often based on a limited number of samples The factors often exhibit a wide range of values - consequently their use can lead to widely differing estimates of emissions from the same type of...

Ngày tải lên: 17/02/2014, 11:20

... 1994 Polycyclic Aromatic Hydrocarbons in U.K Urban Air Environ Sci Technol 28: 2380-2386 MENICHINI E., MONFREDINI F & MERLI F 1999 The temporal variability of the profile of carcinogenic polycyclic ... 4-nitroacenapthylene 1-nitrofluorene 2-nitrofluorene 3-nitrofluorene 4-nitrofluorene two nitroisomers 1-nitroanthracene 2-nitroanthracene 2-nitrofluoranthene 7-nitrofluoranthene 8-nitrofluoranthene 2-nitropyrene ... SOURCES OF DATA INCLUDE FOR TABLE INCLUDE: RESPONSES TO QUESTIONNAIRES SENT OUT BY THE WORKING GROUP and BAEK et al., 1992 Concentrations of particulate and gaseous polycyclic aromatic hydrocarbons...

Ngày tải lên: 15/03/2014, 16:20

... Figure a: Overview of metabolism; Figure b: Overview of photosynthesis; Figure c: Overview of carotenoid biosynthesis; Figure d: Overview of protein targeting; Figure e: Overview of cellular responses; ... well as the suggested follow-on research, will be of great value in breeding and engineering plants for phytoremediation of polycyclic aromatic hydrocarbons Conclusions The microarray experiments ... in higher plants exposed to polycyclic aromatic hydrocarbons and their N-heterocyclic derivatives Environ Toxicol Chem 2006, 25:3238-3245 Burritt DJ: The polycyclic aromatic hydrocarbon phenanthrene...

Ngày tải lên: 12/08/2014, 03:21

... of the bond between C20 and C22 [1,14] Another difference between the metabolism of vitamin D3 and cholesterol by P450scc is that the dissociation of intermediates occurs for the metabolism of ... HMBC NMR spectra of 17a,20,23-trihydroxyvitamin D3 are presented in the supplementary Fig S2 Identification of minor products of vitamin D3 metabolism by P450scc Fig Identification of 20,23-dihydroxyvitamin ... 2008 FEBS R C Tuckey et al Metabolism of vitamin D3 by cytochrome P450scc A B C Fig Identification of 17a,20,23-trihydroxyvitamin D3 (A) Expansion of proton– carbon HSQC of 20,23-dihydroxyvitamin...

Ngày tải lên: 18/02/2014, 17:20

... percentage of the total, over 0–2 h uptake Effect of chelators and Fe status on subcellular distribution of NTBI in hepatocytes The effect of the chelators on the intracellular distribution of Fe in ... Effect of chelators on uptake of NTBI The effects of the chelators on NTBI uptake by hepatocytes and Q7 hepatoma cells were marked and similar All chelators decreased uptake to 20% or less of the ... Fe mobilization is limited by the size of an intracellular chelatable Fe pool or permeability of the Fe–chelator complex In view of the similar efficacy of the multidentate pyridinones to DFO,...

Ngày tải lên: 20/02/2014, 11:20