Showing posts with label propylene glycol. Show all posts
Showing posts with label propylene glycol. Show all posts

Thursday, 14 December 2023

A Review on Different Animal and Human Studies to Evaluate the Safety of Inhalation of Propylene Glycol in E-Cigarettes | Chapter 11 | Advanced Concepts in Pharmaceutical Research Vol. 3

 This episode aims to evaluate the security of inhalation of propylene glycol in e-cigarettes. In recent age, e-cigarettes have become more and more popular. Photoelectric cigarettes, or "e-cigarettes," are a safe substitute for smoking use in tobacco produce or as a tool for ending smoking. However, the FDA trusts that e-cigarettes are just as hazardous as traditional cigarettes. Instead, the American Union of Public Health Physicians' Smoking Control Task Force has established that e-cigarettes closely resemble Nicotine Substitute Therapy schemes. All animal and human research that investigated the effect of PG breathing concluded that PG did not perform to constitute a important risk via the breathing route. In fact, in several of these animal troubles, the PG doses employed were above in e-cigarettes and had no deleterious results. However, no human investigations have existed conducted at the level of e-smoke concentrations. This review sheds some light on the security implications of PG breathing, particularly as it has connection with e-cigarette concentration, as manifested in animal research. Since the plurality of the findings introduced from animal studies, the data can be appropriated to launch human studies to determine the short and long-term energy impacts of propylene glycol in e-cigarettes. The human physiology is different as distinguished to the animal physiology. Thus, further human studies using PG concentrations akin to that in e-cigarettes need to be conducted to establish the short term and enduring safety of inhalation of PG from e-cigarettes.

Author(s) Details:

Karyn I. Cotta,
Department of Pharmaceutical Sciences, South University School of Pharmacy, Savannah, GA, USA.

Stephen C. Dyar,
Department of Pharmaceutical Sciences, South University School of Pharmacy, Savannah, GA, USA.

Mohammad N. Uddin,
Mercer University, College of Pharmacy, Atlanta, GA, USA.

Please see the link here: https://stm.bookpi.org/ACPR-V3/article/view/12712

Wednesday, 9 August 2023

Enhancement of Supercritical Water Oxidation by Dihydric Alcohol | Chapter 9 | Current Topics and Emerging Issues in Chemical Science Vol. 2

 Supercritical water corrosion (SCWO) serves as an advanced method predominantly used for the management of stable basic wastes. The investigation proposed to explore the request of two types of alcohols, namely propylene glycol (PG) and isopropyl intoxicating (IPA), as co-fuels. The purpose was to determine their effectiveness in the destruction of 3-methylpyridine by taking advantage of hydrogen peroxide as the basic source of oxygen. The experiments were attended in a plug flow reactor under a pressure of 25 MPa and at hotnesses ranging from 425 to 525ºC, accompanying residence times variable from 6 s to 14 s. The results were analyzed in conditions of total organic element (TOC) removal as a function momentary and various process limits. The results showed that propylene glycol had a certain effect on the destruction of 3-methylpyridine, with TOC discharge reaching ≥ 97.5% at 525ºC and 14 s. The capital TOC removal effectiveness of 93% was achieved at 425ºC, 14 s, and a [propylene glycol]/[3-methylpyridine]o percentage of 3. Furthermore, the presence of propylene glycol enhanced the removal efficiency of nitrogen, that reached 89% at 525ºC and 10 s. The oxidant percentage was also establish to have a positive effect on the discharge of TOC in all three plans. Propylene glycol showed a greater affect the ratio at 425ºC than isopropyl intoxicating, owing to two together hydroxyl groups in propylene glycol's oxidation, that generate differing free radicals and enhance the reaction.

Author(s) Details:

Falah Kareem Hadi Al-Kaabi,
Environment and Pollution Department, Marshes Research Centre, University of Thiqar, Thiqar-64001, Iraq.

Please see the link here: https://stm.bookpi.org/CTEICS-V2/article/view/11535

Monday, 11 October 2021

Skincare Products – A Risky Path | Chapter 17 | Recent Developments in Medicine and Medical Research Vol. 1

 The human integumentary system's largest organ, skin interacts with the environment and protects the body from viruses and hazardous chemicals. It comes into contact with the environment in daily life, either directly or indirectly, through a variety of sources, such as skincare products available on the market. We examine a list of a few substances that have been demonstrated to alleviate skin ailments while simultaneously causing serious acute diseases in this study. Sodium lauryl sulphate, diethanolamine, nanoparticles (zinc oxide, titanium oxide), monoethanolamine, triethanolamine, propylene glycol, and butylene glycol are all found in most skin care products and have both good and negative effects. The primary goal of this research is to shed light on skincare products that include chemicals that have been demonstrated to be hazardous to the human body.


Author(S) Details

Atefa Noorain
Thomson Reuters, India.

View Book:- https://stm.bookpi.org/RDMMR-V1/article/view/4088