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Associations between hookah tobacco smoking knowledge and hookah smoking behavior among US college students 2013 Division of General Internal Medicine, Department of Medicine, VA Pittsburgh Healthcare System, Pittsburgh, PA 15213, USA.
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Print(0)
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Journal Article
Periodical, Full
Health education research
Periodical, Abbrev.
Health Educ.Res.
Pub Date Free Form
Feb
Volume
28
Issue
1
Start Page
92
Other Pages
100
Notes
LR: 20151119; GR: K07 CA114315/CA/NCI NIH HHS/United States; GR: R01 CA140150/CA/NCI NIH HHS/United States; GR: R01-CA140150/CA/NCI NIH HHS/United States; JID: 8608459; OID: NLM: PMC3549589; 2012/09/17 [aheadofprint]; ppublish
Place of Publication
England
ISSN/ISBN
1465-3648; 0268-1153
Accession Number
PMID: 22987864
Language
eng
SubFile
Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; T
DOI
10.1093/her/cys095 [doi]
Output Language
Unknown(0)
PMID
22987864
Abstract
Hookah tobacco smoking is increasing among US college students, including those who would not otherwise use tobacco. Part of hookah's appeal is attributed to the perception that hookah is less harmful than cigarettes. The aims of this study were to assess knowledge of harmful exposures associated with hookah smoking relative to cigarette smoking and to determine associations between this knowledge and hookah smoking outcomes. Students (N = 852) at the University of Florida were randomly sampled via e-mail to obtain information on demographics, hookah smoking behavior and knowledge of five exposures (e.g. tar and nicotine). Multivariable logistic regression models assessed independent associations between knowledge and hookah smoking outcomes. Of the five factual knowledge items asked, 475 (55.8%) of the respondents answered none correctly. In multivariable models, correct responses to any knowledge items were not associated with lower odds of hookah smoking or susceptibility to hookah smoking in the future. Although college students are largely unaware of the toxicant exposures associated with hookah smoking, there is little association between knowledge and hookah smoking behavior.
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Data Source
Authors
Nuzzo,E., Shensa,A., Kim,K.H., Fine,M.J., Barnett,T.E., Cook,R., Primack,B.A.
Original/Translated Title
URL
Date of Electronic
20120917
PMCID
PMC3549589
Editors
Monochloramine and chlorine dioxide for controlling Legionella pneumophila contamination: biocide levels and disinfection by-product formation in hospital water networks 2013 Department of Diagnostic, Clinical and Public Health Medicine, University of Modena and Reggio Emilia, Via Campi 287, I-41125 Modena, Italy E-mail: isabella.marchesi@unimore.it.; Department of Diagnostic, Clinical and Public Health Medicine, University of
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Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of water and health
Periodical, Abbrev.
J.Water.Health.
Pub Date Free Form
Dec
Volume
11
Issue
4
Start Page
738
Other Pages
747
Notes
JID: 101185420; 0 (Chloramines); 0 (Chlorine Compounds); 0 (Disinfectants); 0 (Oxides); 10599-90-3 (chloramine); 8061YMS4RM (chlorine dioxide); ppublish
Place of Publication
England
ISSN/ISBN
1477-8920; 1477-8920
Accession Number
PMID: 24334848
Language
eng
SubFile
Journal Article; IM
DOI
10.2166/wh.2013.079 [doi]
Output Language
Unknown(0)
PMID
24334848
Abstract
Legionella colonization in hospital hot water distribution networks was evaluated following 36 months of continuous treatment with monochloramine and compared with chlorine dioxide. Nitrite, nitrate, chlorite, chlorate, bromide, trihalomethanes and haloacetic acids as well as the biocide concentration at sampled points were measured. Only 8/84 samples treated with monochloramine were found contaminated and after the first 8 months of treatment no Legionella was isolated. Chlorine dioxide was associated with a strong reduction in Legionella contamination compared to pre-treatment, but differences according to the device were observed. Monochloramine between 2 and 3 mg l(-1) and chlorine dioxide between 0.50 and 0.70 mg l(-1) were needed to control Legionella colonization. Comparing no- and post-flush samples, a higher frequency of no-flush positive samples was noted using chlorine dioxide, suggesting an increased risk for patients when they open the tap. No increase in chlorite levels and no water nitrification occurred by using monochloramine. Chlorite at levels exceeding the limit requested for drinking water was measured when chlorine dioxide was applied. In conclusion, we highlight that continuous injection of monochloramine should be considered as an effective alternative to chlorine dioxide in controlling legionellae contamination inside hospital water distribution systems.
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Authors
Marchesi,I., Ferranti,G., Bargellini,A., Marchegiano,P., Predieri,G., Stout,J.E., Borella,P.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
GHPSS multicenter Italian survey: smoking prevalence, knowledge and attitudes, and tobacco cessation training among third-year medical students 2013 Department of Public Health and Infectious Diseases, Sapienza University, Rome, Italy.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Tumori
Periodical, Abbrev.
Tumori
Pub Date Free Form
Jan-Feb
Volume
99
Issue
1
Start Page
17
Other Pages
22
Notes
LR: 20151119; JID: 0111356; ppublish
Place of Publication
Italy
ISSN/ISBN
2038-2529; 0300-8916
Accession Number
PMID: 23548994
Language
eng
SubFile
Journal Article; Multicenter Study; IM
DOI
10.1700/1248.13782 [doi]
Output Language
Unknown(0)
PMID
23548994
Abstract
AIMS AND BACKGROUND: Healthcare professionals have an important role to play both as advisers - influencing smoking cessation - and as role models. The aims of this study were to examine smoking prevalence, knowledge and attitudes among Italian university students attending medical schools using the Global Health Professions Student Survey (GHPSS) approach. METHODS AND STUDY DESIGN: A multicenter cross-sectional study was conducted among University students of 9 Italian medical schools (age ranging between 19 and 29 years). The GHPSS questionnaire was self-administered. A logistic regression model was used to identify possible factors associated with tobacco smoking status. Data were analyzed with the software SPSS 19.0 for Windows. RESULTS: Seven hundred thirty medical students (response rate 100%) were enrolled. The prevalence of current smokers was 20.4% (males 22.4%, females 19.1%). Of the total sample, 87.7% believed that health professionals should receive specific training in techniques to quit smoking, and 65% believed that health professionals had a role in giving advice or information about smoking cessation. However, 89.4% answered that they had not received specific training on smoking cessation techniques. Multivariate analysis showed that students belonging to universities in southern Italy were more likely to be smokers (OR = 2.00; 95% CI: 1.03-3.97). CONCLUSIONS: This Italian multicenter survey found that one fifth of future medical doctors are smokers. There is a need to adopt a standard undergraduate curriculum containing comprehensive tobacco prevention and cessation training to improve their effectiveness as role models.
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Authors
Saulle,R., Bontempi,C., Baldo,V., Boccia,G., Bonaccorsi,G., Brusaferro,S., Donato,F., Firenze,A., Gregorio,P., Pelissero,G., Sella,A., Siliquini,R., Boccia,A., La Torre,G.
Original/Translated Title
URL
Date of Electronic
PMCID
Editors
Linking mass media campaigns to pictorial warning labels on cigarette packages: a cross-sectional study to evaluate effects among Mexican smokers 2013 Department of Health Promotion, Education and Behavior, University of South Carolina, Columbia, SC 29208, USA. thrasher@mailbox.sc.edu
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Tobacco control
Periodical, Abbrev.
Tob.Control
Pub Date Free Form
May
Volume
22
Issue
e1
Start Page
e57
Other Pages
65
Notes
GR: P01 CA138389/CA/NCI NIH HHS/United States; JID: 9209612; OTO: NOTNLM; 2012/06/29 [aheadofprint]; ppublish
Place of Publication
England
ISSN/ISBN
1468-3318; 0964-4563
Accession Number
PMID: 22752271
Language
eng
SubFile
Evaluation Studies; Journal Article; Research Support, N.I.H., Extramural; IM
DOI
10.1136/tobaccocontrol-2011-050282 [doi]
Output Language
Unknown(0)
PMID
22752271
Abstract
OBJECTIVE: This study assessed the effects of pictorial health warning labels (HWLs) and a linked media campaign in Mexico. METHODS: Cross-sectional data were collected from a population-based sample of 1756 adult smokers, aged 18-55 years, during the initial implementation of pictorial HWLs, which some smokers had seen on cigarette packages while others had seen only the text-based HWLs. Exposure to the campaign and pictorial HWLs was assessed with aided recall methods, and other questions addressed attention and cognitive impact of HWLs, knowledge related to HWL and campaign content, and quit-related thoughts and behaviours. Logistic and linear regression models were estimated to determine associations between key outcomes and intervention exposure. RESULTS: In bivariate and multivariate adjusted models, recall of pictorial HWLs and of the campaign were positively associated with greater attention to and cognitive impact of HWLs, whereas only pictorial HWL exposure was associated with having refrained from smoking due to HWLs. Both recall of pictorial HWLs and of the campaign were independently associated with greater knowledge of secondhand smoke harms and toxic tobacco constituents. Smokers who recalled only the pictorial HWLs were more likely to try to quit than smokers who recalled neither the pictorial HWLs nor the campaign (17% vs 6%, p
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Data Source
Authors
Thrasher,J.F., Murukutla,N., Perez-Hernandez,R., Alday,J., Arillo-Santillan,E., Cedillo,C., Gutierrez,J.P.
Original/Translated Title
URL
Date of Electronic
20120629
PMCID
Editors
A descriptive study of waterpipe smoking among college students 2013 Health Promotion/Risk Reduction Interventions with Vulnerable Populations, School of Nursing, University of Michigan, Ann Arbor, Michigan 48109-5482, USA. dnoonan@umich.edu
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of the American Association of Nurse Practitioners
Periodical, Abbrev.
J.Am.Assoc.Nurse.Pract.
Pub Date Free Form
Jan
Volume
25
Issue
1
Start Page
11
Other Pages
15
Notes
LR: 20151119; CI: (c)2012 The Author(s) Journal compilation (c)2012; GR: 5T32NR007073-18/NR/NINR NIH HHS/United States; GR: T32 NR007073/NR/NINR NIH HHS/United States; GR: T32 NR007073-19/NR/NINR NIH HHS/United States; JID: 101600770; NIHMS364060; OID: NL
Place of Publication
United States
ISSN/ISBN
2327-6924; 2327-6886
Accession Number
PMID: 23279274
Language
eng
SubFile
Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; N
DOI
10.1111/j.1745-7599.2012.00781.x [doi]
Output Language
Unknown(0)
PMID
23279274
Abstract
PURPOSE: The purpose of this cross-sectional study was to examine waterpipe smoking and beliefs about waterpipe smoking in a sample of college students from a public university in Virginia. DATA SOURCES: A web-based survey was sent to 1000 undergraduate students recruiting them to participate in the study. Measures from the investigator-developed Theory of Reasoned Action (TRA) Waterpipe Questionnaire were used to capture belief-based components of the TRA related to waterpipe use. Descriptive statistics were used to examine the prevalence of waterpipe smoking and beliefs associated with waterpipe smoking. CONCLUSIONS: Of the sample (n = 223), 71% of males and 52% of females reporting ever smoking tobacco using a waterpipe and 22% of males and 5% of females reporting current waterpipe smoking. Of the sample, 28% of males and 10% of females were current cigarette smokers and 25% of males and 10% of females were current marijuana users. Common beliefs associated with waterpipe smoking are also presented. IMPLICATIONS FOR PRACTICE: Nurse practitioners working with college students need to be aware of the multiple forms of tobacco that students may engage in. They also should be aware of the common beliefs about waterpipe smoking. This information is useful when targeting and counseling patients about alternative tobacco products like waterpipe smoking.
Descriptors
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Book Title
Database
Publisher
American Association of Nurse Practitioners
Data Source
Authors
Noonan,D.
Original/Translated Title
URL
Date of Electronic
20120924
PMCID
PMC3539218
Editors
Effects of a Web-based tailored intervention to reduce alcohol consumption in adults: randomized controlled trial 2013 CAPHRI School for Public Health and Primary Care, Department of Health Promotion, Maastricht University, Maastricht, Netherlands. dn.schulz@maastrichtuniversity.nl
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of medical Internet research
Periodical, Abbrev.
J.Med.Internet Res.
Pub Date Free Form
17-Sep
Volume
15
Issue
9
Start Page
e206
Other Pages
Notes
LR: 20150422; ISRCTN/ISRCTN91623132; JID: 100959882; OID: NLM: PMC3785997; OTO: NOTNLM; 2013/02/06 [received]; 2013/07/01 [accepted]; 2013/05/30 [revised]; epublish
Place of Publication
Canada
ISSN/ISBN
1438-8871; 1438-8871
Accession Number
PMID: 24045005
Language
eng
SubFile
Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't; IM
DOI
10.2196/jmir.2568 [doi]
Output Language
Unknown(0)
PMID
24045005
Abstract
BACKGROUND: Web-based tailored interventions provide users with information that is adapted to their individual characteristics and needs. Randomized controlled trials assessing the effects of tailored alcohol self-help programs among adults are scarce. Furthermore, it is a challenge to develop programs that can hold respondents' attention in online interventions. OBJECTIVE: To assess whether a 3-session, Web-based tailored intervention is effective in reducing alcohol intake in high-risk adult drinkers and to compare 2 computer-tailoring feedback strategies (alternating vs summative) on behavioral change, dropout, and appreciation of the program. METHODS: A single-blind randomized controlled trial was conducted with an experimental group and a control group (N=448) in Germany in 2010-2011. Follow-up took place after 6 months. Drinking behavior, health status, motivational determinants, and demographics were assessed among participants recruited via an online access panel. The experimental group was divided into 2 subgroups. In the alternating condition (n=132), the tailored feedback was split into a series of messages discussing individual topics offered while the respondent was filling out the program. Participants in the summative condition (n=181) received all advice at once after having answered all questions. The actual texts were identical for both conditions. The control group (n=135) only filled in 3 questionnaires. To identify intervention effects, logistic and linear regression analyses were conducted among complete cases (n=197) and after using multiple imputation. RESULTS: Among the complete cases (response rate: 197/448, 44.0%) who did not comply with the German national guideline for low-risk drinking at baseline, 21.1% of respondents in the experimental group complied after 6 months compared with 5.8% in the control group (effect size=0.42; OR 2.65, 95% CI 1.14-6.16, P=.02). The experimental group decreased by 3.9 drinks per week compared to 0.4 drinks per week in the control group, but this did not reach statistical significance (effect size=0.26; beta=-0.12, 95% CI -7.96 to 0.03, P=.05). Intention-to-treat analyses also indicated no statistically significant effect. Separate analyses of the 2 experimental subgroups showed no differences in intervention effects. The dropout rate during the first visit to the intervention website was significantly lower in the alternating condition than in the summative condition (OR 0.23, 95% CI 0.08-0.60, P=.003). Program appreciation was comparable for the 2 experimental groups. CONCLUSIONS: Complete case analyses revealed that Web-based tailored feedback can be an effective way to reduce alcohol intake among adults. However, this effect was not confirmed when applying multiple imputations. There was no indication that one of the tailoring strategies was more effective in lowering alcohol intake. Nevertheless, the lower attrition rates we found during the first visit suggest that the version of the intervention with alternating questions and advice may be preferred. TRIAL REGISTRATION: International Standard Randomized Controlled Trial Number (ISRCTN): 91623132; http://www.controlled-trials.com/ISRCTN91623132 (Archived by WebCite at http://www.webcitation.org/6J4QdhXeG).
Descriptors
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Book Title
Database
Publisher
Data Source
Authors
Schulz,D.N., Candel,M.J., Kremers,S.P., Reinwand,D.A., Jander,A., de Vries,H.
Original/Translated Title
URL
Date of Electronic
20130917
PMCID
PMC3785997
Editors
Environmental monitoring of secondhand smoke exposure 2013 Department of Epidemiology, Institute for Global Tobacco Control, Johns Hopkins Bloomberg School of Public Health, 615N. Wolfe St, Baltimore, Maryland 21205, USA. pbreysse@jhsph.edu
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Tobacco control
Periodical, Abbrev.
Tob.Control
Pub Date Free Form
May
Volume
22
Issue
3
Start Page
147
Other Pages
155
Notes
LR: 20151119; JID: 9209612; 0 (Biomarkers); 0 (Particulate Matter); 0 (Tobacco Smoke Pollution); 6M3C89ZY6R (Nicotine); OID: NLM: PMC3639351; 2012/09/04 [aheadofprint]; ppublish
Place of Publication
England
ISSN/ISBN
1468-3318; 0964-4563
Accession Number
PMID: 22949497
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; Review; IM
DOI
10.1136/tobaccocontrol-2011-050301 [doi]
Output Language
Unknown(0)
PMID
22949497
Abstract
The complex composition of secondhand smoke (SHS) provides a range of constituents that can be measured in environmental samples (air, dust and on surfaces) and therefore used to assess non-smokers' exposure to tobacco smoke. Monitoring SHS exposure (SHSe) in indoor environments provides useful information on the extent and consequences of SHSe, implementing and evaluating tobacco control programmes and behavioural interventions, and estimating overall burden of disease caused by SHSe. The most widely used markers have been vapour-phase nicotine and respirable particulate matter (PM). Numerous other environmental analytes of SHS have been measured in the air including carbon monoxide, 3-ethenylpyridine, polycyclic aromatic hydrocarbons, tobacco-specific nitrosamines, nitrogen oxides, aldehydes and volatile organic compounds, as well as nicotine in dust and on surfaces. The measurement of nicotine in the air has the advantage of reflecting the presence of tobacco smoke. While PM measurements are not as specific, they can be taken continuously, allowing for assessment of exposure and its variation over time. In general, when nicotine and PM are measured in the same setting using a common sampling period, an increase in nicotine concentration of 1 mug/m(3) corresponds to an average increase of 10 mug/m3 of PM. This topic assessment presents a comprehensive summary of SHSe monitoring approaches using environmental markers and discusses the strengths and weaknesses of these methods and approaches.
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Data Source
Authors
Apelberg,B.J., Hepp,L.M., Avila-Tang,E., Gundel,L., Hammond,S.K., Hovell,M.F., Hyland,A., Klepeis,N.E., Madsen,C.C., Navas-Acien,A., Repace,J., Samet,J.M., Breysse,P.N.
Original/Translated Title
URL
Date of Electronic
20120904
PMCID
PMC3639351
Editors
Cadmium in blood of Tunisian men and risk of bladder cancer: interactions with arsenic exposure and smoking 2013 Unit of Marine and Environmental Toxicology. IPEIS, University of Sfax, BP 805, 3018, Sfax, Tunisia, molkafekitounsi@yahoo.fr.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Environmental science and pollution research international
Periodical, Abbrev.
Environ.Sci.Pollut.Res.Int.
Pub Date Free Form
Oct
Volume
20
Issue
10
Start Page
7204
Other Pages
7213
Notes
JID: 9441769; 0 (Carcinogens); 00BH33GNGH (Cadmium); N712M78A8G (Arsenic); 2013/01/23 [received]; 2013/04/02 [accepted]; 2013/05/15 [aheadofprint]; ppublish
Place of Publication
Germany
ISSN/ISBN
1614-7499; 0944-1344
Accession Number
PMID: 23673919
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1007/s11356-013-1716-8 [doi]
Output Language
Unknown(0)
PMID
23673919
Abstract
Prior investigations identified an association between low-level blood arsenic (As) and bladder cancer risk among Tunisian men but questions remain regarding confounding by cadmium (Cd), a well-established bladder carcinogen. A case-control study of Tunisian men was re-examined to assess the levels of cadmium in blood and reparse the association between the simultaneous exposure to these metals and bladder cancer risk. Levels of blood Cd were significantly twice higher among cases than in controls (P0.67 mug/L), it was reduced to 2.10 (CI, 1.06-4.17). Adjustment for Cd exposure did not alter the risk associated to As exposure. This study is the first to report the relationship between Cd exposure and risk of bladder cancer occurrence in interaction with smoking and As exposure. Smoking is shown to be the main exposure source to Cd in the Tunisian population but also environmental pollution seems to be responsible of Cd exposure among non-smokers. Exposure assessment studies encompassing a wider population are needed.
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Data Source
Authors
Feki-Tounsi,M., Olmedo,P., Gil,F., Khlifi,R., Mhiri,M.N., Rebai,A., Hamza-Chaffai,A.
Original/Translated Title
URL
Date of Electronic
20130515
PMCID
Editors
Effect of enamel laser irradiation at different pulse settings on shear bond strength of orthodontic brackets 2013 a Assistant Professor, Department of Orthodontics, Faculty of Dentistry, Bezmialem Vakif University, Istanbul, Turkey.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
The Angle Orthodontist
Periodical, Abbrev.
Angle Orthod.
Pub Date Free Form
Nov
Volume
83
Issue
6
Start Page
973
Other Pages
980
Notes
JID: 0370550; 0 (Resin Cements); 0 (Transbond XT); 2013/06/13 [aheadofprint]; ppublish
Place of Publication
United States
ISSN/ISBN
1945-7103; 0003-3219
Accession Number
PMID: 23763542
Language
eng
SubFile
Comparative Study; Journal Article; D; IM
DOI
10.2319/111412-872.1 [doi]
Output Language
Unknown(0)
PMID
23763542
Abstract
OBJECTIVE: To compare the effect of laser irradiation at two different pulse settings and acid etching on the shear bond strength (SBS) of orthodontic brackets to enamel. MATERIALS AND METHODS: Thirty-six premolars were allocated to three groups (n = 12): (1) 37% phosphoric acid etching, (2) erbium-doped yttrium aluminum garnet (Er:YAG) laser etching with medium-short pulse mode (MSP; 100 micros, 120 mj, 10 Hz, 1.2 W), and (3) Er:YAG laser etching with quantum-square pulse mode (QSP; 120 mj, 10 Hz, 1.2 W). Metallic brackets were bonded with Transbond XT. After photopolymerization, the samples were subjected to 5000 thermal cycles and debonded with a universal testing machine, and the SBS values were recorded. Surface morphology was evaluated with profilometric examination, scanning electron microscopy, and atomic force microscopy. The adhesive remnant index (ARI) was evaluated to assess the remaining adhesive. RESULTS: The results of SBS testing were analyzed by one-way analysis of variance and Tukey honestly significant diffference tests. The mean SBS values of QSP and MSP laser groups were 11.80 +/- 2.7 MPa and 10.10 +/- 4.5 MPa, respectively, and the QSP group demonstrated significantly higher SBS (P
Descriptors
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Book Title
Database
Publisher
Data Source
Authors
Sagir,S., Usumez,A., Ademci,E., Usumez,S.
Original/Translated Title
URL
Date of Electronic
20130613
PMCID
Editors
Microwave assisted extraction combined with solvent bar microextraction for one-step solvent-minimized extraction, cleanup and preconcentration of polycyclic aromatic hydrocarbons in soil samples 2013 Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore.
Source Type
Print(0)
Ref Type
Journal Article
Periodical, Full
Journal of chromatography.A
Periodical, Abbrev.
J.Chromatogr.A
Pub Date Free Form
19-Apr
Volume
1286
Issue
Start Page
9
Other Pages
15
Notes
LR: 20131121; CI: Copyright (c) 2013; JID: 9318488; 0 (Polycyclic Hydrocarbons, Aromatic); 0 (Soil); 0 (Soil Pollutants); 3FPU23BG52 (Toluene); 2012/12/13 [received]; 2013/02/21 [revised]; 2013/02/21 [accepted]; 2013/02/27 [aheadofprint]; ppublish
Place of Publication
Netherlands
ISSN/ISBN
1873-3778; 0021-9673
Accession Number
PMID: 23497848
Language
eng
SubFile
Journal Article; Research Support, Non-U.S. Gov't; IM
DOI
10.1016/j.chroma.2013.02.067 [doi]
Output Language
Unknown(0)
PMID
23497848
Abstract
For the first time, a novel one-step sample preparation method that combines microwave assisted extraction and solvent bar microextraction (MAE-SBME) with analysis by gas chromatography-mass spectrometry (GC-MS), was developed for the fast and efficient determination of polycyclic aromatic hydrocarbons (PAHs) in environmental soil samples. An interesting feature of the new procedure is that SBME was conducted simultaneously with MAE. Thus, the extract from the SBME could be directly and immediately analyzed by GC-MS. A separate clean up and/or preconcentration process, such as time-consuming and tedious gel permeation chromatography, solid-phase extraction, filtration, or adsorption chromatography, normally associated with conventional MAE, was not necessary. It is also notable that the procedure was environmentally benign since water was used as the extraction solvent in MAE, and only several microliters of organic solvent were used in SBME. Some factors affecting the extraction were studied and optimized. Under the most favorable conditions, the method showed good linearities (between 0.2 and 500, 0.5 and 500, 1 and 500, and 2 and 500 ng/g, depending on the analytes), low limits of detection (from 0.03 to 0.25 ng/g), and satisfactory precision (with relative standard deviations below 9.8%). The MAE-SBME procedure provides a fast and simple sample preparation approach for the processing of environmental soil samples.
Descriptors
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Book Title
Database
Publisher
Elsevier B.V
Data Source
Authors
Guo,L., Lee,H.K.
Original/Translated Title
URL
Date of Electronic
20130227
PMCID
Editors