Results 31 to 40 of about 876,969 (135)

Variability of Air Pollutants in the Indoor Air of a General Store

Applied Sciences, 2023
This research investigates different facets of indoor air quality and the corresponding health symptoms within a retail environment. Formaldehyde, classified as a Group B carcinogenic substance, was found within safe limits indoors, primarily originating
Andreea Tepeneu, Andreea Lupitu, Teodora Surdea-Blaga, Cristian Moisa, Dorina Chambre, Dana Maria Copolovici, Lucian Copolovici   +6 more
doaj   +1 more source

PENGARUH PENAMBAHAN UREA DAN MELAMIN PADA PEREKAT UREA FORMALDEHIDA TERHADAP EMISI FORMALDEHIDA DAN KETEGUHAN REKAT TRIPLEKS MERANTI

Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
The problem in using plywood bonded with urea formaldehyde (UF) is formaldehyde emission, especially in a room with limited ventilation. To reduce formaldehyde emission, the glue can be mixed with catching agent.
Paribotro Sutigno, Adi Santoso
doaj   +1 more source

Organoleptic quality and formaldehyde content of mackerel marketed in Dar es Salaam, Tanzania

Food Safety and Risk
Background Fish constitutes a nutritious food that deteriorates quickly when poorly preserved. Several biochemicals, including formaldehyde, accumulate naturally in the fish post-mortem. Apart from this natural formaldehyde, reports reveal the deliberate
Vicky Peter Manyanga, Mtoke Ahmadi Uledi, Paul Malaba Makoye, Innocent John Daniel, Raphael Shedafa, Nelson Enos Masota, Danstan Hipolite Shewiyo, Nzaghi Nyakirang’ani, Joseph Sempombe, Veronica Mugoyela, Eliangiringa Kaale   +10 more
doaj   +1 more source

Preparation and Characterization of Bio-Oil Modified Urea-Formaldehyde Wood Adhesives

BioResources, 2014
Wood-derived bio-oil was used to decrease formaldehyde emissions from urea-formaldehyde (UF) resin during the process of making three-layered plywood. The obtained bio-oil urea formaldehyde (BUF) resins were characterized by their physical, chemical, and
Ben Li, Ji-Zong Zhang, Xue-Yong Ren, Jian-min Chang, Jin-sheng Gou   +4 more
doaj   +1 more source

PENGARUH PENAMBAHAN UREA DAN MELAMIN PADA PEREKAT UREA FORMALDEHIDA TERHADAP EMISI FORMALDEHIDA DAN SIFAT FISIS-MEKANIS PAPAN PARTIKEL

Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
The formaldehyde  emtsston of particleboard  bonded  with  urea formaldehyde  (UF) can affect health, especially if it is used in a room with limited ventilation.  To reduce formaldehyde emission,  the glue can be mixed with catching agent.
Paribotro Sutigno, Adi Santoso
doaj   +1 more source

Toxic effects of formaldehyde on the urinary system

Urology Research and Practice, 2019
Formaldehyde is a chemical substance with a pungent odor that is highly soluble in water and occurs naturally in organisms. Formaldehyde, when taken into organisms, is metabolized into formic acid in the liver and erythrocytes and is then excreted ...
Mehmet İnci, İsmail Zararsız, Mürsel Davarcı, Sadık Görür   +3 more
doaj   +1 more source

Dietary formaldehyde: a silent aggravator of diabetes and cognitive impairments

Nutrition & Diabetes
Diabetes mellitus (DM) is a chronic metabolic disorder associated with a range of serious complications, including insulin resistance (IR) and cognitive impairments. IR is recognized as a high-risk factor for the development of cognitive decline. However,
Hanyuan Xu, Haishu Chen, Yihao Li, Tiancheng Luo, Danrui Zhao, Xiaoxiao Chen, Haozhan Zhang, Xinyun Hu, Hui Xu, Yiquan Wang, Yangping Shentu, Zhiqian Tong   +11 more
doaj   +1 more source

Modification of silver nanoparticles (AgNPs) with tollens reagent for selective colorimetric detection of formaldehyde

Results in Chemistry
This study uses modified silver nanoparticles (AgNPs) and Tollens' reagent to explore a novel colorimetric sensor for formaldehyde detection. AgNPs was synthesized using sodium citrate and tannic acid. Characterization of AgNPs using UV–Vis spectroscopy,
Aminah Umar, Rafifah Hana Raihana Syam, Windri Handayani, Nadeem Qaiser, Dewangga Oky Bagus Apriandanu, Yoki Yulizar   +5 more
doaj   +1 more source

PENGARUH KOMPOSISI PEREKAT FENOL FORMALDEHIDA TERHADAP.KETEGUHAN REKAT KAYU LAPIS SENGON

Jurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
In the future. phenol formaldehyde resin will be used in greater quantity due to ita capability inproducing weather and boil•proof plytDood. This paper discribet two aapects, i.e. ':  the effect of weight ratio of phenol and formaldehyde on the propemea 
Rodjak Memed, Adi Santoso, Paribotro Sutigno   +2 more
doaj   +1 more source

Laboratory Cross-Sensitivity Evaluation of Low-Cost Electrochemical Formaldehyde Sensors

Sensors
Formaldehyde is the most abundant carbonyl globally and the biggest driver of cancer risk in the United States among hazardous air pollutants. Ambient formaldehyde concentration measurements are generally sparse due to high measurement costs and limited ...
Zheyuan Pei, Kerry E. Kelly
doaj   +1 more source