Eco-friendly and biodegradable sodium alginate/quaternized chitosan hydrogel for controlled release of urea and its antimicrobial activity

EG Arafa, MW Sabaa, RR Mohamed, EM Kamel… - Carbohydrate …, 2022 - Elsevier
Hydrogels could be employed in agriculture for efficient management of water and
controlled-release urea (CRU). This study aimed to synthesize a superabsorbent hydrogel …

Preparation of biodegradable sodium alginate/carboxymethylchitosan hydrogels for the slow-release of urea fertilizer and their antimicrobial activity

EG Arafa, MW Sabaa, RR Mohamed… - Reactive and Functional …, 2022 - Elsevier
Nonpolluting and biodegradable hydrogels for the slow-release of urea fertilizer that also
exhibit antimicrobial activity against some pathogenic bacteria and fungi in soil were …

Alkalized cellulose nanofiber-interweaved PEDOT: PSS thin-film sensors via layer-by-layer spraying assembly for ultrafast molecular ammonia detection

Y Zhou, R Zhang, X She, J Li, H Zhao… - … Applied Materials & …, 2023 - ACS Publications
As a typical representative of conductive polymers (CPs), poly (3, 4-ethylenedioxythiophene)
: polystyrenesulfonate (PEDOT: PSS) is intensively employed for chemiresistive ammonia …

Thermal conductivity enhancement of a sodium acetate trihydrate–potassium chloride–urea/expanded graphite composite phase–change material for latent heat …

X Jin, Q Xiao, T Xu, G Huang, H Wu, D Wang, Y Liu… - Energy and …, 2021 - Elsevier
To create an energy–efficient heat pump latent heat thermal energy storage (HPLHTES)
system, a novel sodium acetate trihydrate (SAT)–potassium chloride (KCl)–urea/expanded …

Development of hydrogel based on Carboxymethyl cellulose/poly (4-vinylpyridine) for controlled releasing of fertilizers

RR Mohamed, ME Fahim, SMA Soliman - BMC chemistry, 2022 - Springer
A novel Carboxymethyl cellulose (CMC) and poly (4-vinylpyridine)(P4VP) hydrogel system
is synthesized with different ratios, in the presence of cross-linker N, N,-methylene bis …

Structurally stable polyvinyl alcohol/sodium alginate-based optimally designed electrospun mats as mechanistically robust controlled-urea-release-systems

KP Das, D Sharma, BK Satapathy - Industrial Crops and Products, 2023 - Elsevier
The present study deals with the development of uniform, bead-free, and urea-loaded
PVA/SA-based sustainable electrospun fibrous constructs as a controlled release fertilizer …

Co-crystals of urea and hexanedioic acid with third-order nonlinear properties: an experimental and theoretical enquiry

S Jeeva, S Muthu, R Thomas, BR Raajaraman… - Journal of Molecular …, 2020 - Elsevier
Urea-adipic acid (UHA) co-crystal was synthesized and harvested at room temperature by
the slow evaporation method. The single X-Ray diffraction of the crystal system and its lattice …

Growth, spectroscopic studies, and third order non-linear optical analysis of an organic dicarboxylic acid based single crystal: Urea Oxalic acid

S Jeeva, S Muthu, S Tamilselvan, ML Caroline… - Chinese Journal of …, 2018 - Elsevier
A non-centro symmetric single crystal of Urea Oxalic acid (UOA) has been grown from
aqueous solution by the process called slow evaporation technique. Single crystal X-ray …

Spectral, NLO, thermal, hardness and SEM studies of phosphate doped bis-urea oxalic acid crystals for laser applications

S Vasumathi, HJ Jeyakumar, P Selvarajan - Chinese Journal of Physics, 2021 - Elsevier
Phosphate doped bis-urea oxalic acid (PBUO) crystals were grown using the aqueous
solution by slow evaporation technique. Single crystal XRD study indicates that the sample …

Solvothermal synthesis, characterization and photoluminescence studies of ZnS: Eu nanocrystals

K Ashwini, C Pandurangappa - Optical Materials, 2014 - Elsevier
Europium doped zinc sulfide nanocrystals (ZnS: Eu) are prepared by solvothermal method.
Crystallite size and lattice constant of the prepared samples are calculated from the X-ray …