Results 231 to 240 of about 72,465 (283)

CSA/PANI and MWCNT/PANI Composites as Electrode Platforms for Reliable Creatinine Biosensing

ChemElectroChem, Volume 13, Issue 12, 17 June 2026.
This study presents and compares CSA/PANI‐ and MWCNT/PANI‐based enzymatic electrochemical biosensors, demonstrating the superior sensitivity, selectivity, stability, and real‐sample performance of the CSA/PANI platform for reliable creatinine detection.
Abdulrahman Obaid, Nimet Yildirim‐Tirgil, Recep Tas, Hamza Dunya   +3 more
wiley   +1 more source

Innovating Electrosynthesis From Metal Electrodeposition to Organic Chemistry: Deep Eutectic Solvents as Efficient and Sustainable Media

ChemSusChem, Volume 19, Issue 11, 15 June 2026.
This review analyzes deep eutectic solvents (DESs) as efficient media for both organic and inorganic electrosynthesis. The improvements in terms of synthetic opportunities and sustainability are discussed, by exploring the multiple roles of DESs as solvents, electrolytes, and promoters, enabling effective and selective electrosynthesis under mild and ...
Cristiana Margarita, Stefano Nejrotti, Alejandro Leal‐Duaso, Marta Feroci, Alessandra Sanson, Claudia Barolo, Matteo Bonomo   +6 more
wiley   +1 more source

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Comparison of the properties of urea-formaldehyde resins by the use of formalin or urea formaldehyde condensates

Journal of Adhesion Science and Technology, 2018
In industry, formalin and urea formaldehyde condensates (UFC) are used for the preparation of urea-formaldehyde adhesives. The aim of this study was to evaluate the characteristics of a UF resin prepared with formalin (42% concentration) and two kinds of UFC with various urea content (F/U ∼ 5 and 4.3 malar ratio).
Nosrat O Mahmoodi, Manouchehr Mamaghani, A Pizzi   +2 more
exaly   +2 more sources

Urea–formaldehyde resin prepared with concentrated formaldehyde

Journal of Adhesion Science and Technology, 2016
AbstractThe characteristics of UF resin prepared with concentrated formaldehyde were studied in this paper. With the molar ratio F/U = 1.1, the UF resin prepared with concentrated formaldehyde showed better mechanical properties than that with formalin. The 13C-NMR and FTIR results indicated that there were more methylene groups, ether groups and urons
Zhigang Wu, Hong Lei, Xuedong Xi
exaly   +2 more sources

Thermal behavior of modified urea–formaldehyde resins

Journal of Thermal Analysis and Calorimetry, 2010
The thermal stability of pure urea-formaldehyde resin (PR) and modified urea-formaldehyde (UF) resins with hexamethylenetetramine-HMTA (Resin 1), melamine-M (Resin 2), and ethylene urea (EU, Resin 3) including nano-SiO2 was investigated by non-isothermal
Suzana Samaržija-Jovanović, Vojislav Jovanović, GORDANA Markovic   +2 more
exaly   +2 more sources

Electrochemical treatment of wastewater containing Urea-Formaldehyde and Melamine-Formaldehyde

Chemosphere, 2023
The wastewater containing urea-formaldehyde (UF) and melamine-formaldehyde (MF) from the medium-density fiberboard (MDF) lamination factory disposed into the waterbodies adversely affects human health and aquatic life. Therefore, its treatment before discharge is necessary.
Tamt Ul, Nisa, Waheed Ali, Khokhar, Uzma, Imran, Shakir Ali, Khokhar, Nayab, Soomro   +4 more
openaire   +3 more sources

Formaldehyde levels in homes insulated with urea-formaldehyde foam

Environmental Monitoring and Assessment, 1982
Twenty seven UFFI homes in Colorado and Wisconsin were sampled for formaldehyde levels. The formaldehyde concentrations found in these homes averaged 0.059 ppm. Two homes were monitored for an extended period to determine the impact of ambient climatic conditions.
W C, Schutte, R S, Cole, K R, Long, C W, Frank   +3 more
openaire   +2 more sources

Characterization of the Low Molar Ratio Urea–Formaldehyde Resin with 13C NMR and ESI–MS: Negative Effects of the Post-Added Urea on the Urea–Formaldehyde Polymers

Polymers, 2018
The structural changes during three-step synthesis of low-molar ratio urea–formaldehyde (UF) resin were tracked by quantitative 13C nuclear magnetic resonance (13C NMR) analysis and electrospray ionization-mass spectrometry (ESI–MS ...
Taohong Li, Long Yang, Zhigang Duan
exaly   +2 more sources