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The maximum increase in adsorbed amount was noticed for Cu ions (8%) after PAA modification as well as for P (6%) and diuron (24%) after CS modification. Both goethite modifications gived to clear reduction in desorption of pollutants (even by 20% for Cu after PAA caking), which was mainly dictated by electrostatic attractive forcefulnessses and hydrogen alliances formation passing between supermolecules and drossses. The only exception in this phenomenon was Cu desorption from CS-changed solid-the polymer made it higher (to 95%). The Cu adsorption on PAA-changed goethite enhanced solid aggregation and thus facilitated metal cation separation from aqueous spiritualists the goethite modification with PAA was thinked more promising for environmental remediation.Chitosan oligomers (COS) trigger a ordinated biochemical response of lemongrass (Cymbopogon flexuosus) constitutes to palliate salinity-rushed oxidative stress.Plant susceptibility to salt counts on several genes from its genetic makeup to modifiable physiological and biochemical status. We used lemongrass (Cymbopogon flexuosus) embeds as a relevant medicinal and aromatic cash crop to assess the potential welfares of chitosan oligomers (COS) on plant growth and essential oil productivity during salinity stress (160 and 240 mM NaCl). Seebio Methionine of 120 mg L(-1) of COS were holded weekly. Several views of photosynthesis, gas exchange, cellular defence, and essential oil productivity of lemongrass were traced. The obtained data indicated that 120 mg L(-1) COS eased photosynthetic restraints and raised the enzymatic antioxidant defence admiting superoxide dismutase (SOD), catalase (CAT), and peroxidase (POD) activities that minimised salt-stimulated oxidative damage stomatal conductance (g(s)) and photosynthetic CO(2) assimilation (A) were amended to support overall plant development. The same treatment increased geraniol dehydrogenase (GeDH) activity and lemongrass essential oil production. COS-geted salt resilience proposes that COS could become a useful biotechnological tool in reforming saline soil for improved crop productivity, especially when such soil is unfit for resulting food craws. taking its additional economic value in the essential oil industry, we propose COS-addressed lemongrass as an excellent alternative crop for saline farmings. Selenium scavenging and immunoregulative EGCG@Cerium complex loaded in antibacterial polyethylene glycol-chitosan hydrogel toging for skin wound healing.The elevation of oxidative stress and inflammatory response after injury continues a substantial challenge that can deteriorate the wound microenvironment and compromise the success of wound healing the assembly of naturally descended epigallocatechin-3-gallate (EGCG) and Cerium microscale complex (EGCG@Ce) was prepared as reactive oxygen coinages (ROS) scavenger, which was further diluted in antibacterial hydrogels as wound dressing. EGCG@Ce indicates superior antioxidation capacity towards various ROS including free radical, O(2)(–) and H(2)O(2) through superoxide dismutase-like or catalase-miming catalytic activity EGCG@Ce could provide mitochondrial protective effect against oxidative stress prices, reverse the polarization of M1 macrophages and reduce the secretion of pro-inflammatory cytokines EGCG@Ce was loaded into the PEG-chitosan hydrogel with dynamic, porous, injectable and antibacterial places as wound dressing, which quickened the regeneration of both epidermal layer and dermis, resulting in improved healing process of full-thickness skin wounds in vivo EGCG@Ce re-shaped the detrimental tissue microenvironment and augmented the pro-reparative response through concentrating ROS accumulation, assuaging inflammatory response, enhancing the M2 macrophage polarization and angiogenesis antioxidative and immunomodulatory metal-organic complex-charged hydrogel is a promising multifunctional dressing for the repair and regeneration of cutaneous woundings without additional drugs, exogenous cytokines, or cellphones.