Autor Tema: Razne studije o ecig  (Pročitano 4833 puta)

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Odg: Razne studije o ecig
« Odgovor #17 poslato: Mart 10, 2017, 13:10:00 »
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  • A Device-Independent Evaluation of Carbonyl Emissions from Heated Electronic Cigarette Solvents

     "We developed a device-independent test method to investigate carbonyl emissions from different e-cigarette liquids under precisely controlled temperatures. PG and GL were identified to be the main sources of toxic carbonyl compounds from e-cigarette use. GL produced much more formaldehyde than PG. Besides formaldehyde and acetaldehyde, measurable amounts of acrolein were also detected at ≥270°C but only when GL was present in the e-liquid. At 215°C, the estimated daily exposure to formaldehyde from e-cigarettes, exceeded United States Environmental Protection Agency (USEPA) and California Office of Environmental Health Hazard Assessment (OEHHA) acceptable limits, which emphasized the need to further examine the potential cancer and non-cancer health risks associated with e-cigarette use."


    Posle ~200C stvari postaju cupave...











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    Odg: Razne studije o ecig
    « Odgovor #18 poslato: Mart 18, 2017, 16:25:50 »
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  • Koliko znam ovo je jedna od retkih ako ne i  jedina "long-term" studija

    Nicotine, Carcinogen, and Toxin Exposure in Long-Term E-Cigarette and Nicotine Replacement Therapy Users: A Cross-sectional Study

    "According to the analysis of saliva and urine from 181 participants with varying nicotine habits over a time period of at least six months, e-cigs can drastically cut the amount of toxins absorbed by the body — while delivering roughly the same amount of nicotine. The most impressive finding was that a vape user’s NNAL levels are 97.5% lower than that of a smoker. NNAL is a byproduct of NNK, one of a group of chemicals called tobacco-specific n-nitrosamines, which are known to play a role in the creation of cancerous tumors.
    And that’s not all: E-cigarette users also enjoy “significantly lower metabolite levels” for volatile organic compounds, including the toxins acrolein, acrylamide, acrylonitrile, 1,3-butadiene and ethylene oxide, each of which has been linked to some form of cancer."


    Vise: https://mic.com/articles/169182/vaping-vs-smoking-cancer-risk-lower-for-vapers-than-smokers-a-long-term-study-found#.4J31o7D8f

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    Odg: Razne studije o ecig
    « Odgovor #19 poslato: Maj 12, 2017, 01:28:28 »
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  • Air Sampling confirms secondhand vapor is harmless

    "Results obtained from an air sample of a small non-ventilated vape shop, clearly indicate that the amount of toxic substances present in the air where a lot of vaping is taking place, are of insignificant levels."
       
        Nicotine: Not detected
        Glycidol: Not detected
        Formaldehyde: 7.2 ppb
        Diacetyl: Not detected using standard method
        2,3-Pentanedione: Not detected using standard method
        Acetyl butyryl: Not detected using standard method
        Acetoin: Not detected using standard method
        Acetone: Not detected
        Ethyl benzene: Not detected
        m,p-Xylene: Not detected
        o-Xylene: Not detected
        Toluene: Not detected
        Acetaldehyde: Not detected
        Acetonitrile: Not detected
        alpha-pinene: Not detected
        Benzene: Not detected
        Chloroform: Not detected
        d-Limonene: Not detected
        Methylene chloride: Not detected
        Methyl methacrylate: Not detected
        n-Hexane: Not detected
        Styrene: Not detected

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    Odg: Razne studije o ecig
    « Odgovor #28 poslato: Septembar 30, 2017, 23:18:47 »
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  • “Juice monsters”:  sub - ohm vaping and toxic volatile aldehyde emissions

    zanimljivi rezultati...naravno,uz uvek prisutno pitanje "kako je mereno"

    Van mreže Điva

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