Non-porous materials may react better since they dont absorb odors as much as porous ones do
ALI cultures were then exposed to e-cigarette vapor extract (ECE) or cigarette smoke extract (CSE) with an equal nicotine concentration of 0.02 mg/ml determined by ultra-performance liquid chromatography followed by samples collection for experiments and data analysis
2019 Nov;79(5):401-406
Once in a while use your tamper to adjust the burning by compressing it slightly
Three e-cigarettes (iTaste VV type, VV standing for variable voltage from 3.5 to 5 V), clearomizers (CE4+ type, 1.6 mL, 4 long wicks) and liquid refills (DEA Calliope, Dea Flavour S.R.L., Trento, Italy), with different nicotine contents (nicotine-free, 9 mg/mL and 18 mg/mL) were purchased from local specialized e-cigarette retailers in Lausanne and Yverdon-les-Bains (Switzerland)
I recently had a conversation with Kira about the time I came out to her two years after she came out