Plasma activated cotton fabric functionalized with silver‑titanium dioxide nanoparticles for synergistic photodegradation of hazardous dye and antibacterial potential in wastewater treatment.

This work offers a method for wastewater treatment using the plasma activated cotton fabric (PACF) that functionalized with silver‑titanium dioxide nanoparticles (Ag-TiO₂NPs). The functionalized fabric (Ag-TiO₂NPs@PACF) was assessed for its photocatalytic and antibacterial efficacy. The photocatalytic degradation of malachite green (MG) dye was performed under visible light, achieving an impressive degradation efficiency of about 100 % in 150 min.

Development and characterization of sustainable chitosan film enriched with ashwagandha extract as an alternative packaging material for enhancing shelf life of fresh-cut fruits.

The current study aimed to develop biodegradable chitosan (Cs) films enriched with Ashwagandha (ASH) extract as an active packaging material to extend the shelf life of fresh-cut strawberries. The ASH extract, obtained through methanolic extraction, demonstrated significant antimicrobial and antioxidant activities, as confirmed by Gas Chromatography-Mass Spectrometry (GC-MS), which identified 12 bioactive compounds, including -hexadecanoic acid (30.42%) and -13-octadecenoic acid (31.

Sustainable cocoa biowaste-based carboxymethyl cellulose/chitosan sponges for wastewater treatment applications.

This study aims to develop bioactive spongy materials based on chitosan (Cs) and carboxymethyl cellulose (CMC) combined with cocoa biowaste extract (CBWE) using a freeze-drying process for environmental remediation. Two different volumes of CBWE (4 mL and 8 mL) were incorporated to form CMC/Cs/CBWE4 and CMC/Cs/CBWE8, which was compared with a spongy material that prepared without extract (CMC/Cs/CBWE0). The bioactive compounds in CBWE were analyzed via GC-MS, identifying many compounds, including oleic acid (30.

Development of stimuli-responsive cellulose textile finished with natural extract for detection of ammonia.

The aim of this study is to develop an eco-friendly, flexible, sensitive, rapid-response, reversible, portable, cost-effective, and straightforward solid-state colorimetric smart cotton fabric (CF) designed as a vapochromic sensor for detecting ammonia. The natural Betalain (BTL) dye can be derived from Beta vulgaris L. (beetroot).

Functionalization of cotton fabric using the biogenic synthesized silver nanoparticles for enhanced dye reduction and antimicrobial efficiency: Response surface methodology.

This study explores the eco-friendly synthesis of silver nanoparticles (AgNPs) using Spirulina extract and their application for cotton fabrics functionalization in order to enhance the photocatalytic and antimicrobial properties. The small size of the synthesized AgNPs was confirmed using Transmission Electron Microscopy (TEM) and dynamic light scattering (DLS), revealing a spherical morphology with an average size of 8.6 nm.

Insight into the physicochemical characterization of composite orange peel fabricated packaging film: Fighting foodborne pathogens and oxidative stress.

This study aimed to develop and characterize orange peel extract (OPE)-loaded biopolymer composite films using Arabic gum (AG) and carboxymethyl cellulose (CMC) as the base matrix via casting method. These films' antimicrobial and antioxidant properties were assessed to evaluate their potential as active food packaging materials. The GC-MS analysis confirmed the presence of bioactive compounds in OPE, including flavonoids and phenolic acids, contributing to its vigorous antioxidant activity (DPPH inhibition of 100 %) and antibacterial efficacy (inhibition zone of 31.

Formulation and biological evaluation of sodium alginate-based films blended with watercress oil: A Promising solution for combating foodborne pathogens and potential food packaging applications.

The main objective of this study is to prepare sodium alginate (SA)-based biofilms incorporated with watercress oil (WCO) as an antimicrobial material for sustainable food packaging. The physicochemical, antioxidant, and antibacterial properties of the prepared bio-based films were investigated. The antioxidant activity showed a remarkable increase, with DPPH inhibition increasing from 13.

Formulation of sustainable, biodegradable chitosan films enriched with Origanum majorana extract as an eco-friendly antimicrobial food packaging for possible food preservation.

In this work, chitosan (Cs) was blended with different concentrations of Origanum majorana extract (OmE) that extracted using ethyl acetate and used for the formation of food packaging films. Based on the utilized volumes of OmE (2.5, 5, and 7.

Green coagulation and flocculation: Scenedesmus algal extract-loaded chitosan/poly(vinyl alcohol) cryogel for effective water treatment.

This study presents an eco-friendly approach to treat contaminated and turbid water through the development of cryogels loaded with bioactive compounds derived from Scenedesmus algal extract (ScAE) based on chitosan/poly(vinyl alcohol) (Cs/PVA) matrix. Scenedesmus sp., a green microalga known for its bioactive properties, was cultivated and processed to obtain extracts with coagulation potential.

Facile fabrication and characterization of carboxymethyl cellulose hydrogel loaded with TiONPs as a promising disinfectant for eliminating the dissemination of waterborne pathogens through wastewater decontamination.

The purpose of this work was to develop and characterize an intriguing hydrogel called TiO₂NPs@CMC hydrogel, which is composed of carboxymethyl cellulose (CMC) loaded with titanium oxide nanoparticles (TiO₂NPs) for effective waterborne pathogen disinfection in wastewater. The TiO₂NPs were synthesized through hydrolysis and peptization. Then, incorporated into CMC matrix, and subsequently cross-linked with calcium chloride (CaCl₂).

Multifunctional applications of seaweed extract-infused hydroxyethyl cellulose-polyvinylpyrrolidone aerogels: Antibacterial, and antibiofilm proficiency for water decontamination.

Establishing a reliable and secure water supply is still a significant challenge in many areas that need more infrastructure. Eliminating harmful bacteria from water systems is a critical obstacle to managing the spread of waterborne illnesses and protecting public health. Thus, this work focuses on enhancing the efficiency of using marine waste extract, namely seaweed, by its integrating its extract into aerogels based on Hydroxyethyl cellulose (HEC) and polyvinylpolypyrrolidone (PVP).

Preparation of thermochromic ink from anthocyanidin-encapsulated alginate nanoparticles for anticounterfeiting applications.

In order to make commercial products less vulnerable to counterfeiting, thermochromic inks have proven to be a viable authentication strategy. Herein, we developed a thermochromic ink for authentication by combining an anthocyanidin (ACYD) extract with alginate (ALG). To increase the anthocyanidin/alginate ink stability, a mordant (ferrous sulfate) was employed to tie up the anthocyanidin biomolecules with alginate.

Machine learning trained poly (3,4-ethylenedioxythiophene) functionalized carbon matrix suspended Cu nanoparticles for precise monitoring of nitrite from pickled vegetables.

Precise monitoring of nitrite from real samples has gained significant attention due to its detrimental impact on human health. Herein, we have fabricated poly(3,4-ethylenedioxythiophene) functionalized carbon matrix suspended Cu nanoparticles (PEDOT-C@Cu-NPs) through a facile green synthesis approach. Additionally, we have used machine learning (ML) to optimize experimental parameters such as pH, drying time, and concentrations to predict current of the designed electrochemical sensor.

Graphene nanosheet reinforcement of polyurethane nanocomposite for green and sustainable photoluminescence, superhydrophobic, and anticorrosive paint.

A simple and environmentally friendly method was developed for smart and efficient waterborne polyurethane (PUR) paint. Sugarcane bagasse was recycled into reduced graphene oxide nanosheets (rGONSs). Both lanthanide-doped aluminate nanoparticles (LAN; photoluminescent agent, 7-9 nm) and rGONSs (reinforcement agent) were integrated into a waterborne polyurethane to produce a novel photoluminescent, hydrophobic, and anticorrosive nanocomposite coating.

Geochemistry and the optics of geospatial analysis as a preposition of water quality on a macroscale.

The water treatment depends exclusively on the identification of residues containing toxic chemical elements accumulated in NPs (nanoparticles), and ultrafine particles sourced from waste piles located at old, abandoned sulfuric acid factories containing phosphogypsum requires global attention. The general objective of this study is to quantify and analyze the hazardous chemical elements present in the leachate of waste from deactivated sulfuric acid factories, coupled in NPs and ultrafine particles, in the port region of the city of Imbituba, Santa Catarina, Brazil. Samples were collected in 2020, 2021, and 2022.

Remediation through the coordinated use of local rice husk residues for the selective adsorption of iron and nickel in real landfill leachate.

Herein, we demonstrate the prospects of tackling several environmental problems by transforming a local rice husk residue into an effective adsorbent, which was then applied for the treatment of real landfill leachate (LL). The study focused on establishing (i) the effect of simple washing on morphological aspects, (ii) evaluating target adsorption capacity for total iron (Fe) and nickel (Ni), (iii) determining regeneration and reuse potential of the adsorbent and (iv) complying to the requirements of worldwide legislations for reuse of treated LL wastewater. The adsorbent was prepared by employing a simple yet effective purification process that can be performed in situ.

Chromatographic Fingerprinting of Cacao Pod Husk Extracts (Theobroma cacao L.): Exploring Antibacterial, Antioxidant, and Antidiabetic Properties with In Silico Molecular Docking Analysis.

Natural drugs derived from plants are becoming more popular because of their apparent biological efficacy, affordability, and safety. A byproduct of cocoa farms, cocoa pod husk (CPH), is often disregarded yet contains an abundance of phenolic chemicals that have antimicrobial and antioxidant features, which has led to intensive investigation into possible biomedical applications. In order to identify crucial functional groups and phytochemical components, we carefully examined the 80% ethanol and dichloromethane extracts of CPH using gas chromatography-mass spectrometry (GC-MS) and HPLC.

Fabrication of silver nanoparticles loaded acacia gum/chitosan nanogel to coat the pipe surface for sustainable inhibiting microbial adhesion and biofilm growth in water distribution systems.

Biofilm formation on the inner surfaces of pipes poses significant threats to water distribution systems, increasing maintenance costs and public health risks. To address this immense issue, we synthesized a nanogel formulation comprising acacia gum (AG) and chitosan (Cs), loaded with varying concentrations of silver nanoparticles (AgNPs), for using as an antimicrobial coating material. AgNPs were synthesized using AG as a reducing and stabilizing agent, exhibiting absorbance at 414 nm.

Adsorption of rare earth elements on a magnetic geopolymer derived from rice husk: studies in batch, column, and application in real phosphogypsum leachate sample.

There is a growing need to develop new strategies for rare earth element (REE) recovery from secondary resources. Herein, a novel approach to utilize biogenic silica (from rice husk) and metakaolin was employed to fabricate magnetic geopolymer (MGP) by incorporating metallic iron. The fabricated MGP adsorbent material was used to uptake Ce, La, and Nd from synthetic solutions and real phosphogypsum leachate in batch and column modes.

Fabrication of CoO/CoS/CNTs for photocatalytic treatment of wastewater under xenon lamp.

The current study is about the synthesis of nanoparticles (NPs) of cobalt oxide (CO) and cobalt sulfide (CS) followed by their nanocomposites as CO/CS and CO/CS/CNT by ultrasonication approach. The addition of carbon-based materials in the oxides and sulfides enhances their performance by developing physico-chemical interactions. Prepared NPs were utilized for the photodegradation of organic contaminants.

Improving the Durability of Chitosan Films through Incorporation of Magnesium, Tungsten, and Graphene Oxides for Biomedical Applications.

Bacterial infections that cause chronic wounds provide a challenge to healthcare worldwide because they frequently impede healing and cause a variety of problems. In this study, loaded with tungsten oxide (WO ), Magnesium oxide (MgO), and graphene oxide (GO) on chitosan (CS) membrane, an inexpensive polymer casting method was successfully prepared for wound healing applications. All fabricated composites were characterized by X-ray powder diffraction (XRD), Fourier transforms infrared spectroscopy (FT-IR), and thermogravimetric analysis (TGA).

Magnesium Ortho-Vanadate/Magnesium Oxide/Graphene Oxide Embedded through Cellulose Acetate-Based Films for Wound Healing Applications.

A multifunctional nano-films of cellulose acetate (CA)/magnesium ortho-vanadate (MOV)/magnesium oxide/graphene oxide wound coverage was fabricated. Through fabrication, different weights of the previously mentioned ingredients were selected to receive a certain morphological appearance. The composition was confirmed by XRD, FTIR, and EDX techniques.

Titanium Dioxide/Chromium Oxide/Graphene Oxide Doped into Cellulose Acetate for Medical Applications.

Wound dressings have been designed based on cellulose acetate encapsulated with different concentrations of chromium oxide (CrO) and titanium oxide (TiO) with/without graphene oxide (GO). This study comprises the structural, morphological, optical, thermal, and biological behavior of chromium oxide/titanium dioxide/graphene oxide-integrated cellulose acetate (CA) films. The CA-based film bond formation was introduced by functional group analysis via Fourier transform infrared (FTIR) spectroscopy.

Cellulose-Acetate-Based Films Modified with AgO and ZnS as Nanocomposites for Highly Controlling Biological Behavior for Wound Healing Applications.

For wound healing, functional films with certain physicochemical and biological properties are needed. Thus, the current work aimed to fabricate multifunctional materials comprising metal oxide nanoparticles loaded with an efficient polymer to be used as dressing material. A composite containing polymeric phases of cellulose acetate (CA) blended with zinc sulfide (ZnS), silver oxide (AgO), and graphene oxide (GO) was successfully synthesized.