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    Beta Carboline MAOIs - towards a more effective e-liquid

    Dvap already sounded caution regarding addictive effects, though the point needs to be stressed repeatedly.
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    Scientific Publication: Analysis of Electronic Cigarette’s Cartridges (Trehy et al. 2011)

    The analysis by Healthnz guy of newzealand cannot pass scientific scrutiny.The measured PG concentrations cane near Air saturation values.Anybody who has some basic understanding of Vapor liquid equilibrium can point out mistakes made in measuring Propylene glycol concentration.One has to...
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    Scientific Publication: Analysis of Electronic Cigarette’s Cartridges (Trehy et al. 2011)

    Smoke is obviously a misnomer but Vapor cannot be an accurate term to describe the MIST we inhale from ecigs.
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    American Lung Association lies about risks/benefits of different tobacco products (including e-cigs)

    Same here; since the primary concern here is ejuice or eliquid. The writeup says: The agency is concerned that • e-cigarettes can increase nicotine addiction among young people and may lead kids to try other tobacco products, including conventional cigarettes, which are known to cause disease...
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    Beta Carboline MAOIs - towards a more effective e-liquid

    I will try this method with sulfuric acid and lime for the last step.Obtaining alkaloids in water in the final step is quite useful for DIY;Not for amateur chemists, though.
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    A bit of info i found

    Regarding the asthma Inhalers the PG or PEG usage is of the order of not more than couple of MGs per cartridge..The PEG was used as lubricant in small quantities. With regards to Nasal spray the quantities are also small and there is no inhalation involved.
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    A bit of info i found

    Regarding Mary Ann study of cyclosporine aerolised in Pg:I am trying to get full text to understand the concentrations in Inhalations used for Dogs.Human trial results will be available by the end of the year. There was a brief human trial with similar composition before,The Findings of which...
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    Scientific Publication: Analysis of Electronic Cigarette’s Cartridges (Trehy et al. 2011)

    Just curious.How do you know that Vapor is the perfect descriptive word for what you inhale from ecig?.
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    Unusual New Ruyan Patents ?

    I randomly Caught some items of your list.The bolded items , off the top of my head, are NOT chinese invention especially the "decimal system" and Indian(:laugh:) ink.
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    A bit of info i found

    It is harmfull to consume distilled water at higher quantities and on regular basis.
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    A bit of info i found

    To put things in perspective: that research was conducted with less concentrations of PG(Propylene glycol) at around 5 mg/ml which translates to 0.5% concentration of PG in inhalation.It is difficult to extrapolate the results of that study to vaping since much higher concentrations (More than...
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    A bit of info i found

    I see in countless posts in various ecig forums that asthma medications in inhalers contain PG but i am yet to come across any mention of a Brandname. Can you please do a favor and post the Brand name of the inhaler .
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    Philip Morris buys patent for nicotine aerosol technology, may be better than e-cigarettes

    The important thing here is quantities.Each puff contains approximately 0.4 mg nicotine pyruvate(Approx: 0.2 nic and 0.2 pyru).Assuming that 20% pyruvic acid used remain unreacted the free pyruvic acid in the inhaled Puff will be approx 0.04 mg.
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    Philip Morris buys patent for nicotine aerosol technology, may be better than e-cigarettes

    The HCL experiment was to determine the suitability of using an acid for delivery of nicotine. The patent description continues: However, due to the chemical reactivity and corrosive nature of the acid and base chosen for this experiment, alternative constituents were evaluated that are more...
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    Relook at Propylene glycol and it's safety aspects

    Actually i was very hopeful in the beginning that i can get rid of smoking by switching over to Vaping.After carefully going through all the available resources i came to the conclusion that there is really no clue regarding the longterm effects of vaping. I don't have an idea what is Uni.No, i...
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    Relook at Propylene glycol and it's safety aspects

    I haven't read anything useful from FDA resources regarding Propylene glycol or Glycerin. I started my post with the assertion that there are No Studies whatsoever regarding Long term exposure to propylene Glycol and/or Glycerin
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    Relook at Propylene glycol and it's safety aspects

    That is correct.But there is Lot of Information out there that claims otherwise. I read plenty of people complaining about breathing/cough problems in this very section of this forum.
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    Relook at Propylene glycol and it's safety aspects

    Some enthusiasts cite FDA clearance for Propylene Glycol as food additive to imply that Propylene Glycol is safe for inhalation. This premise is totally wrong because Vegetable oil mist(Vapor; in layman terms) exposure limit, as per CDC, is less than 10mg/m3 or 10 ppm approximately. Ref: CDC...
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    Relook at Propylene glycol and it's safety aspects

    I am not a medical professional, so i will have no idea how to answer that question.Some Vapers,it appears are displaying some or All the symptoms mentioned in the above study.
  20. N

    Relook at Propylene glycol and it's safety aspects

    The Only Long term Propylene glycol(and/Or Glycerin/glycerol) exposure is,not strangly, by Regular Cigarette smoking. I have made some basic calculations to arrive at about 1% humectant(Pg and Vg) concentration in Inhaled cigarette smoke and for "Electronic cigarette" smoking the value is 10%...
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