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Related Concept Videos

Vaporization01:18

Vaporization

The physical form of a substance changes by changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. For vaporization to occur, kinetic energy must be greater than the intermolecular forces that keep molecules bonded. The amount of energy needed to vaporize a quantity of liquid at a given pressure and a constant temperature is called the heat of vaporization. When...
Social Proof00:52

Social Proof

Social proof is a form of persuasion based on comparison and conformity. People compare their behavior and actions to what others are doing and will change to conform to do what their peers do.
Vapor Pressure02:34

Vapor Pressure

When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase molecules move randomly about, they will occasionally collide with the surface of the condensed phase, and in some cases, these collisions will result in the molecules re-entering the condensed phase. The change from the gas phase to the liquid is called condensation. When the rate of condensation becomes equal to the rate of vaporization, neither the amount of the liquid nor the amount of the vapor...
Vapor Pressure Lowering03:28

Vapor Pressure Lowering

The equilibrium vapor pressure of a liquid is the pressure exerted by its gaseous phase when vaporization and condensation are occurring at equal rates: Dissolving a nonvolatile substance in volatile liquid results in a lowering of the liquid’s vapor pressure. This phenomenon can be explained by considering the effect of added solute molecules on the liquid's vaporization and condensation processes. To vaporize, solvent molecules must be present at the surface of the solution. The presence of...
Data Collection by Survey01:07

Data Collection by Survey

The systematic method of obtaining and analyzing accurate information of a population is called data collection. A survey is a standard method of data collection that involves collecting information from a target human population about their experience, opinion, or knowledge of a product, service, or process. The responses are recorded and interpreted. The most common survey examples are written questionnaires, face-to-face or telephonic conversations, focus groups, and electronic (e-mail or...
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Stimulants

Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...

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Updated: Jun 13, 2026

Comparing the Effects of Electronic Cigarette Vapor and Cigarette Smoke in a Novel In Vivo Exposure System
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Published on: May 24, 2017

Understanding Users' Vaping Experiences from Social Media: Initial Study Using Sentiment Opinion Summarization

Qiudan Li1, Can Wang1,2, Ruoran Liu1,2

  • 1The State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing, China.

Journal of Medical Internet Research
|August 17, 2018
PubMed
Summary
This summary is machine-generated.

User reviews reveal flavor and value are key to e-liquid satisfaction. Most electronic nicotine delivery system (ENDS) users express positive sentiment, particularly for fruity and sweet flavors, highlighting the importance of taste and quality.

Keywords:
JuiceDBe-cigarettee-liquidelectronic nicotine delivery systemsinfodemiologysentiment opinion summarizationsocial mediavaping

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Published on: August 25, 2018

Area of Science:

  • Computational Social Science
  • Consumer Product Analysis
  • Public Health Informatics

Background:

  • Electronic Nicotine Delivery Systems (ENDS) utilize e-liquids, whose user reviews can signal usage patterns and adverse events.
  • Analyzing ENDS review comments offers insights similar to FDA medication tracking, providing early warnings for product safety and consumer experience.

Purpose of the Study:

  • To characterize consumer perceptions of e-liquids and their attributes (flavor, throat hit, vapor production) using sentiment analysis.
  • To identify key factors influencing user satisfaction with specific e-liquids through opinion summarization techniques.

Main Methods:

  • Collected 27,070 e-liquid reviews from JuiceDB (2013-2017) via API, including overall and aspect ratings (flavor, throat hit, value, cloud production).
  • Employed an ID3-based influential aspect analysis model to determine factors impacting e-liquid use.
  • Utilized fine-grained sentiment analysis to extract opinions on various vaping experience aspects.

Main Results:

  • Flavor accuracy and value were the most significant factors influencing user sentiment towards e-liquids.
  • Overall, 67.83% of reviews were positive, indicating general user satisfaction. Fruity and sweet flavors were most popular.
  • Positive reviews cited great taste, reasonable value, and strong throat hit; negative reviews mentioned poor quality, high prices, and harsh throat hit.

Conclusions:

  • Sentiment opinion summarization provides an effective method for analyzing user experiences with ENDS e-liquids.
  • The approach allows for monitoring e-liquid products and improving work efficiency by identifying key aspects influencing consumer opinion.
  • Findings can inform businesses on product quality improvements and policymakers on effective regulatory strategies.