Gamma-irradiated chitosan-HPMC/Ulva lactuca based hydrogel for heavy metal remediation from aqueous solutions.

This study focuses on the novel bio-composite hydrogel made from chitosan (CS), hydroxypropyl methylcellulose (HPMC), polyacrylamide (PAAm), and green algae Ulva lactuca (Ul), which is synthesized to effectively remove Cu(II) and Co(II) ions from simulated aqueous solutions using gamma irradiation. The hydrogels, whether or not they had Ulva lactuca, were labeled CS/HPMC/PAAm and CS/HPMC/PAAm/Ul. The process was tested by changing the acrylamide concentration, the dose of gamma irradiation, and adding Ulva.

Assessment of ecofriendly carbon capture using Bacillus subtilis induced calcium carbonate precipitation with focus on applications mechanisms and cost efficiency.

This work focuses on exploiting the naturally occurring microbial calcium carbonate precipitation catalyzed by microbial consortia within lakes and oceans biogeochemistry for carbon dioxide removal from atmosphere. In this work, Bacillus subtilis OQ119616 was used for carbon dioxide sequestration in equi-molar concentrations into Bacillus-induced calcium carbonate precipitation (BICCP). As this process requires alkaline media, urea degradation by urease and nitrogen fixation were traced.

Seed treatment with macroalgal-derived fucoidan and nanohydroxyapatite mitigates Fusarium falciforme ASU26 infection in faba bean: insights from morphological, physiological, anatomical, and FT-IR analyses.

Background: Soil-borne diseases are becoming more prevalent due to climate change, while the use of pesticides is being discouraged due to their harmful environmental impacts. This study explored the potential of natural compounds, specifically fucoidan from brown seaweed and nanohydroxyapatite from calcareous red seaweed, as eco-friendly alternatives for mitigating Fusarium infections. The treatments aimed to enhance the plant's defense mechanisms and improve seedling growth.

Unveiling the Neem () Effects on Biofilm Formation of Food-Borne Bacteria and the Potential Mechanism Using a Molecular Docking Approach.

Biofilms currently represent the most prevalent bacterial lifestyle, enabling them to resist environmental stress and antibacterial drugs. Natural antibacterial agents could be a safe solution for controlling bacterial biofilms in food industries without affecting human health and environmental safety. A methanolic extract of (neem) leaves was prepared and analyzed using gas chromatography-mass spectrometry for the identification of its phytochemical constituents.

Development of a novel elastomer with unique properties as fire and radiation resistance.

This study aims to create a novel, distinct form of elastomer with superior ability to resist fire, high resistance to radiation, and resistance to environmental conditions such as temperature and solvents. This type of natural-based elastomer was prepared using carboxymethyl cellulose CMC, polyacrylic acid PAA, crosslinked with tannic acid TA. Most techniques in elastomer manufacture technologies are unfriendly and participate in increasing carbon emissions.

Kinetic studies on optimized extracellular laccase from Trichoderma harzianum PP389612 and its capabilities for azo dye removal.

Background: Azo dyes represent a common textile dye preferred for its high stability on fabrics in various harsh conditions. Although these dyes pose high-risk levels for all biological forms, fungal laccase is known as a green catalyst for its ability to oxidize numerous dyes.

Methods: Trichoderma isolates were identified and tested for laccase production.

Production of kojic acid by Aspergillus flavus OL314748 using box-Behnken statistical design and its antibacterial and anticancer applications using molecular docking technique.

Kojic acid is a wonderful fungal secondary metabolite that has several applications in the food, medical, and agriculture sectors. Many human diseases become resistant to normal antibiotics and normal treatments. We need to search for alternative treatment sources and understand their mode of action.

New strategies for sterilization and preservation of fresh fish skin grafts.

The introduction of fish skin as a biological dressing for treating burns and wounds holds great promise, offering an alternative to existing management strategies. However, the risk of disease transmission is a significant concern. Therefore, this study aimed to examine how established sterilization and preservation procedures affected fish skin grafts' microbiological and histological properties for long-term usage.

Responses of Pea ( L.) to Single and Consortium Bio-Fertilizers in Clay and Newly Reclaimed Soils.

The huge development of climatic change highly affects our crop production and soil fertility. Also, the rise in the uncontrolled, excessive use of chemical fertilizers diminishes the soil prosperity and generates pollutants, threatening all environmental life forms, including us. Replacement of these chemical fertilizers with natural ones is becoming an inevitable environmental strategy.

Biodiesel Production from the Marine Alga Grown on Yeast Wastewater and the Effect on Its Biochemical Composition and Gene Expression.

Microalgae-based biodiesel synthesis is currently not commercially viable due to the high costs of culture realizations and low lipid yields. The main objective of the current study was to determine the possibility of growing on yeast wastewater for biodiesel generation at an economical rate. was grown in Guillard F/2 synthetic medium and three dilutions of yeast wastewater (1, 1.

pH-responsive chitosan/acrylamide/gold/nanocomposite supported with silver nanoparticles for controlled release of anticancer drug.

In this study, we prepared a pH-responsive nanocomposite hydrogel based on chitosan grafted with acrylamide monomer and gold nanoparticles using gamma irradiation method (Cs-g-PAAm/AuNPs). The nanocomposite was enhanced with a layer coating of silver nanoparticles to improve the controlled release of the anticancer drug fluorouracil while increasing antimicrobial activity and decreasing the cytotoxicity of silver nanoparticles in nanocomposite hydrogel by combining with gold nanoparticles to enhance the ability to kill a high number of liver cancer cells. The structure of the nanocomposite materials was studied using FTIR spectroscopy and XRD patterns, which demonstrated the entrapment of gold and silver nanoparticles within the prepared polymer matrix.

The optimal concentration of silver nanoparticles in sterilizing fish skin grafts.

Collagen integrity should be considered on using a sterilizing agent for fish skin grafts. This study defined the optimal concentration of silver nanoparticles (Ag NPs) for sterilization of fish skin grafts without disrupting collagen content based on microbiological and histological evaluation. Strips of tilapia skin (n = 5) were randomly allocated to be immersed in Ag NPs solution at different concentrations of 25, 50, 100, and 250 µg/mL, respectively, for 5 min.

Induction of resilience strategies against biochemical deteriorations prompted by severe cadmium stress in sunflower plant when and bacterial inoculation were used as biofertilizers.

Background: Cadmium (Cd) is a highly toxic heavy metal. Its emission is suspected to be further increased due to the dramatic application of ash to agricultural soils and newly reclaimed ones. Thereby, Cd stress encountered by plants will exacerbate.

Design of pH-responsive polymeric nanocarrier for targeted delivery of pyrogallol with enhanced antitumor potential in colon cancer.

Purpose: To synthesize a polymeric pH-sensitive nanocarrier for the delivery of pyrogallol and investigate the anti-tumor activity of pyrogallol-loaded polymeric nanogel against colon cancer in rats.

Methods: Poly(ethylene glycol)/polyacrylic acid (PEG/PAAc) nanogel was performed using gamma irradiation technique at irradiation doses; 30,40, and 50 kGy. The particle size distribution and diameter were investigated under the influence of various parameters by using dynamic light scattering analysis (DLS).

Engineered Superabsorbent Nanocomposite Reinforced with Cellulose Nanocrystals for Remediation of Basic Dyes: Isotherm, Kinetic, and Thermodynamic Studies.

In this study, cellulose nanocrystals (CNCs) were produced from pea peels by acid hydrolysis to be used with pectin and acrylic acid (AAc) to form Pectin-PAAc/CNC nanocomposite by γ-irradiation. The structure, morphology, and properties of the nanocomposite were investigated using Fourier transform infrared spectroscopy (FTIR) and atomic force microscopy (AFM) techniques. The nanocomposite hydrogel was used for the removal of methylene blue dye (MB) from wastewater.

Controlling MT808477 Tomato Phytopathogen by and Tracking the Plant Physiological Changes.

Plant responses during the pathogen infection and the pathogen control reflect its strategies to protect its cells. This work represents the MT808477 as a phytopathogen causing leaf spot disease in tomatoes. was identified morphologically and genetically by 18SrRNA, and its pathogenicity was confirmed by light and scanning electron microscopy.

Using fermentation waste of ethanol-producing yeast for bacterial riboflavin production and recycling of spent bacterial mass for enhancing the growth of oily plants.

Aim: This study aims to use fermentation waste of ethanol production (solid and liquid) for riboflavin and recycling of bacterial biomass as biofertilizers to enhance the growth of some oily crop plants.

Methods And Results: Out of 10 yeast isolates from fresh milk, Clavispora lusitaniae ASU 33 (MN583181) was able to ferment different concentrations of glucose (2.5%, 5%, 7.

Safe natural bio-pigment production by using mixed carbon sources with cytotoxicity evaluation on root tips of L.

By increasing the undesirable side effects of synthetic food pigments on human health, using safe natural food pigment become an urgent issue. Incorporate corn starch with oils conducted a high impact on red pigment production by Fortification the medium with sesame oil raised the pigment production by 80% and the dry mass by 63% compared with free oil medium. Response surface methodology maximizes the production with 114.

Nitrogen, Amino Acids, and Carbon as Control Factors of Riboflavin Production by Novosphingobium panipatense-SR3 (MT002778).

By increasing the environmental pollution, crop losses, and side effects of chemically synthesized vitamins; new vitamin sources should be included. Through this study, we introduce novel riboflavin bacterial producer Novosphingobium panipatense-SR3 (MT002778) and tested various nutritional factors with interactions effects on the production abilities. Yeast extract, maltose, and glycine were the best nitrogen, carbon, and amino acid sources for enhancing the production, respectively.

Urtica dioica extracts abolish scopolamine-induced neuropathies in rats.

Alzheimer's disease (AD) is characterized by alterations in monoamines, oxidative stress, and metabolic dysfunctions. We aim to assess the therapeutic impacts of roots or leaf extract from Urtica dioica (UD; stinging nettle) against scopolamine (SCOP)-induced memory dysfunction, amnesia, and oxidative stress in rats. Spatial memory was assessed by Y maze test.

Correction: A cerium-based MOFzyme with multi-enzyme-like activity for the disruption and inhibition of fungal recolonization.

Correction for 'A cerium-based MOFzyme with multi-enzyme-like activity for the disruption and inhibition of fungal recolonization' by Hani Nasser Abdelhamid et al., J. Mater.

A cerium-based MOFzyme with multi-enzyme-like activity for the disruption and inhibition of fungal recolonization.

A cerium-based metal-organic framework (Ce-MOF, denoted as AU-1) was synthesized using a solvothermal method by employing 4,4',4''-nitrilotribenzoic acid (H3NTB) as the linker and cerium clusters as the metal center. The material was considered as a MOFzyme based on the peroxidase-like activity of Ce-MOF that could eliminate and kill fungi, such as Aspergillus flavus, Aspergillus niger, Aspergillus terreus, Candida albicans, and Rhodotorula glutinis. Ce-MOF showed high antifungal activity against airborne opportunistic human pathogens isolated from the outside of a hospital.

Zn(II) and Cd(II) thiosemicarbazones for stimulation/inhibition of kojic acid biosynthesis from Aspergillus flavus and the fungal defense behavior against the metal complexes' excesses.

The complexes {[ZnLCl] C1, [ZnLCl].0.5HO C2, [CdLCl] C3, and [CdLCl] C4} were prepared from tridentate thiosemicarbazones {HL = 4-(3-nitrophenyl)-1-((pyridin-2-yl)methylene) thiosemicarbazide and HL = 4-(2,4-dimethoxyphenyl)-1-((pyridin-2-yl)methylene)thiosemicarbazide} and identified by elemental CHNS, spectroscopic {IR and UV-Vis.

Characteristics of adhesive bonding with enamel deproteinization.

Objective: To evaluate the effect of using sodium hypochlorite (NaOCl) on the bond characteristics of orthodontic metal brackets bonded to enamel surface using three adhesive systems.

Methods: One hundred twenty premolars were selected and randomly divided into two equal groups of 60 teeth/ each (Groups I and II). The teeth of Group I were left untreated while those of Group II were exposed to 5.

Evaluation and Microanalysis of Parasitic and Bacterial Agents of Egyptian Fresh Sushi, .

The present study aimed to evaluate the quality of fresh sushi in Egypt. Fifty samples of sushi (Salmo salar) were collected from restaurants in Alexandria, Egypt. Paraffin, semi-thin and ultra-thin sections were used for parasitological analysis by light and transmission electron microscopy.