Results 11 to 20 of about 936,734 (312)

Sol-gel based sensor for selective formaldehyde determination [PDF]

open access: yes, 2010
We report the development of transparent sol–gels with entrapped sensitive and selective reagents for the detection of formaldehyde. The sampling method is based on the adsorption of formaldehyde from the air and reaction with β- diketones (for ...
Kanatharana, Proespichaya   +4 more
core   +1 more source

INFLUENCE OF MELAMINE FORMALDEIIYDE ADD1TION INTO THE UREA FORMALDEHYDE ADIIESIVE ON SOME PROPERTIES OF PARTICLEBOARD

open access: yesForestist, 2004
In this study, influence of melamine formaldehyde addition into the urea formaldehyde adhesive on some physical (thickness swelling) and nıechanical (static bending, modulus of elasticity and internal bond) properties of particleboard was investigated.
Gökay NEMLİ, Turgay AKBULUT
doaj   +1 more source

Hidden Formaldehyde Content in Cosmeceuticals Containing Preservatives that Release Formaldehyde and Their Compliance Behaviors: Bridging the Gap between Compliance and Local Regulation

open access: yesCosmetics, 2020
Background: Many personal care products, and particularly cosmetic products, contain preservatives that release formaldehyde. These are potentially harmful to consumer health, especially considering that the levels of formaldehyde in some products are ...
Ammar Abdulrahman Jairoun   +4 more
doaj   +1 more source

Concentration and formation behavior of naturally occurring formaldehyde in foods

open access: yesAgriculture & Food Security, 2018
Background In recent years, formaldehyde is reported to be widely used as a food preservative to increase the shelf life of fruits and fishes in tropical countries. Formaldehyde is detrimental to human health.
Farrhin Nowshad   +2 more
doaj   +1 more source

Study on the Characteristics of Formaldehyde Pollution in Typical Teaching Machine Room [PDF]

open access: yesE3S Web of Conferences, 2020
This study focused on measuring the pollution characteristics, the monthly and seasonal variation rule of formaldehyde in the teaching machine room of Guangxi Normal University from March 2016 to February 2018, and the correlation between formaldehyde ...
Yang Pengpeng   +9 more
doaj   +1 more source

Formaldehyde sensor using non-dispersive UV spectroscopy at 340nm [PDF]

open access: yes, 2014
Formaldehyde is a volatile organic compound that exists as a gas at room temperature. It is hazardous to human health causing irritation of the eyes, nose and throat, headaches, limited pulmonary function and is a potential human carcinogen.
Davenport, John   +7 more
core   +1 more source

Formaldehyde at low concentration induces protein tau into globular amyloid-like aggregates in vitro and in vivo. [PDF]

open access: yesPLoS ONE, 2007
Recent studies have shown that neurodegeneration is closely related to misfolding and aggregation of neuronal tau. Our previous results show that neuronal tau aggregates in formaldehyde solution and that aggregated tau induces apoptosis of SH-SY5Y and ...
Chun Lai Nie   +8 more
doaj   +1 more source

EfgA is a conserved formaldehyde sensor that leads to bacterial growth arrest in response to elevated formaldehyde.

open access: yesPLoS Biology, 2021
Normal cellular processes give rise to toxic metabolites that cells must mitigate. Formaldehyde is a universal stressor and potent metabolic toxin that is generated in organisms from bacteria to humans.
Jannell V Bazurto   +13 more
doaj   +1 more source

Reactivity of Larch and Valonia Tannins in Synthesis of Tannin-Formaldehyde Resins

open access: yesBioResources, 2016
Tannin-formaldehyde resins (TFR) were prepared by copolycondensation of tannins (larch tannin or valonia tannin) and formaldehyde. The performances of TFR and the free formaldehyde residue in the system during the course of reaction were tested. Chemical
Jiongjiong Li   +4 more
doaj   +1 more source

Correlation Between Urine Formaldehyde and Cognitive Abilities in the Clinical Spectrum of Alzheimer’s Disease

open access: yesFrontiers in Aging Neuroscience, 2022
Urine-based formaldehyde has been reported to be a potential biomarker for Alzheimer’s disease (AD). However, there is a lack of research about the correlation between urine formaldehyde and cognitive abilities in the clinical spectrum of AD, especially ...
Ying Wang   +5 more
doaj   +1 more source

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