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636 Results Found

  • Review
  • Open Access
44 Citations
6,182 Views
17 Pages

4 April 2022

In recent years, aqueous zinc ion batteries (ZIBs) have attracted much attention due to their high safety, low cost, and environmental friendliness. Owing to the unique layered structure and more desirable layer spacing, transition metal dichalcogeni...

  • Article
  • Open Access
8 Citations
3,225 Views
16 Pages

Different Insights into Silicate Rectorite Modification and Its Role in Removal of Heavy Metal Ions from Wastewater

  • Ya Gao,
  • Hao Jiang,
  • Xianyuan Li,
  • Sultan Ahmed Khoso,
  • Guoyuan Xiang and
  • Wenping Han

15 February 2020

In the field of water management, the separation of metal contaminants from wastewater is very important and challenging. This study systematically investigated the effect and underlying mechanism of silicate rectorite (REC) on the removal of heavy m...

  • Review
  • Open Access
124 Citations
15,625 Views
35 Pages

The polyfunctional nature of chitosan enables its application as a polymer ligand not only for the recovery, separation, and concentration of metal ions, but for the fabrication of a wide spectrum of functional materials. Although unmodified chitosan...

  • Article
  • Open Access
12 Citations
2,640 Views
18 Pages

Heavy Metal Ions(II) Sorption by a Cellulose-Based Sorbent Containing Sulfogroups

  • Tatiana Nikiforova,
  • Vladimir Kozlov,
  • Pavel Razgovorov,
  • Natalia Politaeva,
  • Ksenia Velmozhina,
  • Polina Shinkevich and
  • Valentina Chelysheva

24 October 2023

This article concerns the effect of the chemical modification of short flax fiber on its sorption properties for heavy metal ions. The main purpose of the modification was to achieve the oxidation of flax cellulose with sodium metaperiodate to form d...

  • Review
  • Open Access
60 Citations
11,416 Views
23 Pages

Nanocellulose-Based Adsorbents for Heavy Metal Ion

  • Rongrong Si,
  • Junwen Pu,
  • Honggang Luo,
  • Chaojun Wu and
  • Gaigai Duan

14 December 2022

Heavy metal ions in industrial sewage constitute a serious threat to human health. Nanocellulose-based adsorbents are emerging as an environmentally friendly material platform for heavy metal ion removal based on their unique properties, which includ...

  • Review
  • Open Access
8 Citations
4,890 Views
20 Pages

Recent Advances in Metal–Organic Frameworks for the Surface Modification of the Zinc Metal Anode: A Review

  • Yibo Xing,
  • Kaijia Feng,
  • Chunyang Kong,
  • Guangbin Wang,
  • Yifei Pei,
  • Qixiang Huang and
  • Yong Liu

18 August 2023

Aqueous zinc ion batteries (AZIBs) are considered as one of the most promising energy storage technologies due to their advantages of being low in cost, high in safety, and their environmental friendliness. However, dendrite growth and parasitic side...

  • Article
  • Open Access
30 Citations
7,968 Views
13 Pages

1 December 2019

A hydrophilic and anti-fouling coating layer was constructed on a polyvinylidene fluoride (PVDF) microfiltration membrane by a novel surface modification method. The pristine membrane was firstly coated by (3-chloropropyl) trimethoxysilane/polyethyle...

  • Review
  • Open Access
7 Citations
3,432 Views
39 Pages

Innovative Materials for Energy Storage and Conversion

  • Shi Li,
  • Shi Luo,
  • Liya Rong,
  • Linqing Wang,
  • Ziyang Xi,
  • Yong Liu,
  • Yuheng Zhou,
  • Zhongmin Wan and
  • Xiangzhong Kong

21 June 2022

The metal chalcogenides (MCs) for sodium-ion batteries (SIBs) have gained increasing attention owing to their low cost and high theoretical capacity. However, the poor electrochemical stability and slow kinetic behaviors hinder its practical applicat...

  • Article
  • Open Access
8 Citations
3,512 Views
10 Pages

27 January 2022

Metal ion modification is considered to be an effective way to construct metal oxides with specific physical and chemical properties. In this paper, we prepare a tungsten oxide (WO3) film co-modified by Co-ion and Mo-ion to serve as the electrochromi...

  • Article
  • Open Access
5 Citations
4,087 Views
8 Pages

Self-Assembled Monolayer Formation on a Dental Orthodontic Stainless Steel Wire Surface to Suppress Metal Ion Elution

  • Hironori Tamaki,
  • Shigeaki Abe,
  • Shuichi Yamagata,
  • Yasuhiro Yoshida and
  • Yoshiaki Sato

7 April 2020

Metal ion elution, including Cr and Ni from dental orthodontic stainless steel, accounts for some allergies. In this study, a self-assembled monolayer (SAM) on a wire surface is proposed for suppressing such elution. This method involves modifying th...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,916 Views
25 Pages

18 August 2021

Due to their excellent magnetic properties, amorphous metallic alloys (AMAs) are considered for the construction of magnetic cores of radio-frequency cavities in accelerators. Here, they might be exposed to ion bombardment. The influence of irradiati...

  • Review
  • Open Access
36 Citations
4,336 Views
14 Pages

14 December 2021

Over the past few decades, nanoparticles of iron oxide Fe3O4 (magnetite) gained significant attention in both basic studies and many practical applications. Their unique properties such as superparamagnetism, low toxicity, synthesis simplicity, high...

  • Article
  • Open Access
3 Citations
1,495 Views
18 Pages

26 September 2024

The impact of various modification methods on enhancing the adsorption performance of coal gangue (CG) for hazardous heavy metals has not been thoroughly investigated. In this study, three CG samples were first modified by calcination, followed by ac...

  • Article
  • Open Access
9 Citations
2,872 Views
17 Pages

13 December 2022

The natural adsorption material montmorillonite (MMT) was selected, and cellulose acetate (CA) was used as the loading substrate to design and prepare a kind of green and environment-friendly recyclable porous composite fiber membrane with good heavy...

  • Article
  • Open Access
2,117 Views
12 Pages

Research on Modification of Oxygen-Producing Adsorbents for High-Altitude and Low-Pressure Environments

  • Ye Li,
  • Huiqing Yue,
  • Quanli Zhang,
  • Dumin Yan,
  • Ziyi Li,
  • Zhiwei Liu,
  • Yingshu Liu,
  • Yongyan Wang,
  • Shifeng Wang and
  • Xiong Yang

14 September 2024

In oxygen production on plateaus, pressure swing adsorption (PSA) oxygen production is currently the most commonly used oxygen production method. In plateau regions, low pressure leads to a decrease in adsorbent nitrogen–oxygen separation perfo...

  • Proceeding Paper
  • Open Access
1 Citations
1,744 Views
5 Pages

Nanoparticle/DNAzyme Based Biosensors for Heavy-Metal Ion Detection: Effect of DNAzyme Surface Modifications on Device Sensitivity

  • Evangelos Aslanidis,
  • Evengelos Skotadis,
  • Chryssi Panagopoulou,
  • Annita Rapesi,
  • Georgia Tzourmana,
  • George Tsekenis and
  • Dimitris Tsoukalas

In this work, a biosensor for heavy metal-ion detection, based on platinum nanoparticles (Pt NPs) and DNAzymes, is presented. Two chemical modification groups were utilized for the DNAzymes’ immobilization on the Pt NPs film. The biosensors wer...

  • Article
  • Open Access
5 Citations
3,050 Views
13 Pages

Metal Ions and Chemical Modification Reagents Inhibit the Enzymatic Activity of Lecithin-Dependent Hemolysin from Vibrio parahaemolyticus

  • Francisco Javier Vazquez-Armenta,
  • Uriel Felipe Valdez-Olmos,
  • Aldo Alejandro Arvizu-Flores,
  • Jesus Fernando Ayala-Zavala,
  • Adrian Ochoa-Leyva and
  • Alonso Alexis Lopez-Zavala

1 September 2022

Lecithin-dependent thermolabile hemolysin (LDH) is a virulence factor excreted by Vibrio parahaemolyticus, a marine bacterium that causes important losses in shrimp farming. In this study, the function of LDH was investigated through its inhibition b...

  • Review
  • Open Access
49 Citations
8,582 Views
26 Pages

Modification Strategies of Kapok Fiber Composites and Its Application in the Adsorption of Heavy Metal Ions and Dyes from Aqueous Solutions: A Systematic Review

  • Cybelle Morales Futalan,
  • Angelo Earvin S. Choi,
  • Hannah Georgia O. Soriano,
  • Melbourne Klein B. Cabacungan and
  • Jeremiah C. Millare

Kapok fiber (Ceiba pentandra) belongs to a group of natural fibers that are mainly composed of cellulose, lignin, pectin, and small traces of inorganic compounds. These fibers are lightweight with hollow tubular structure that is easy to process and...

  • Review
  • Open Access
991 Views
22 Pages

18 September 2025

Magnetic nanoparticles (MNPs) of iron oxide are becoming increasingly popular due to their excellent physicochemical properties as well as very good adsorption and catalytic properties towards heavy metal ions (HMIs). They are used in many industries...

  • Article
  • Open Access
296 Views
21 Pages

Highly Efficient Adsorption of Pb(II) by Magnesium-Modified Zeolite: Performance and Mechanisms

  • Yuting Yang,
  • Xiong Wang,
  • Sumra Siddique Abbasi,
  • Bin Zhou,
  • Qing Huang,
  • Shujuan Zhang,
  • Xinsheng Xiao,
  • Hao Li,
  • Huayi Chen and
  • Yueming Hu

17 January 2026

In this study, magnesium-modified clinoptilolite (MZ) was successfully synthesized via precipitation and calcination to efficiently remove Pb(II) from aqueous solutions. The material was systematically characterized using BET, XRD, SEM-EDX, FT-IR, an...

  • Article
  • Open Access
3 Citations
2,684 Views
16 Pages

Physicochemical Properties and Application of Silica-Doped Biochar Composites as Efficient Sorbents of Copper from Tap Water

  • Sebastian Drużyński,
  • Krzysztof Mazurek,
  • Urszula Kiełkowska,
  • Adriana Wróbel-Kaszanek and
  • Bartłomiej Igliński

31 March 2023

This article concerns research on new sorption materials based on silica-doped activated carbon. A two-stage synthesis involved pyrolysis of plant material impregnated in a water glass solution, followed by hydrothermal activation of the pyrolysate i...

  • Review
  • Open Access
16 Citations
3,263 Views
21 Pages

Removing Pollutants from Sewage Waters with Ground Apricot Kernel Shell Material

  • Ildar Shaikhiev,
  • Karina Shaykhieva,
  • Svetlana Sverguzova,
  • Ekaterina Fomina,
  • Yuriy Vinogradenko,
  • Roman Fediuk,
  • Mugahed Amran,
  • Alexander P. Svintsov,
  • Afonso Rangel Garcez de Azevedo and
  • Murali Gunasekaran

10 May 2022

For the first time, a comprehensive review of the literature data on the use of apricot (Prunus armeniaca) biomass components as a sorption material for the treatment of wastewater and environmental water from various pollutants is carried out in the...

  • Article
  • Open Access
2 Citations
1,787 Views
18 Pages

9 July 2024

The pollution of water bodies by heavy metal ions has recently become a global concern. In this experiment, a novel chelating resin, D851-6-AHHA, was synthesized by grafting 6-amino-N-hydroxyhexanamide (6-AHHA) onto the (-CH2N-(CH2COOH)2) group of th...

  • Article
  • Open Access
2 Citations
1,519 Views
13 Pages

11 July 2024

The simultaneous adsorption of Cu(II) and dyes (MB and MO) on LDH@GO-SH was investigated in single, MB–Cu, and MO–Cu binary systems. The coexistence of dye enhanced the adsorption of Cu(II) by LDH@GO-SH, while the presence of Cu(II) diffe...

  • Article
  • Open Access
425 Views
19 Pages

4 December 2025

Hydrothermal treatment has been demonstrated as a highly effective approach to enhance the adsorption properties of coal gangue (CG) for Cd2+ and Pb2+. This study evaluated the influence of NaOH concentration (X1), hexadecyltrimethylammonium bromide...

  • Article
  • Open Access
11 Citations
2,260 Views
22 Pages

1 November 2023

Superparamagnetic magnetic nanoparticles (MNPs, Fe3O4) were first synthesized based on a chemical co–precipitation method, and the core–shell magnetic silica nanoparticles (MSNPs, Fe3O4@SiO2) were obtained via hydrolysis and the condensat...

  • Review
  • Open Access
10 Citations
2,826 Views
27 Pages

13 October 2022

Enhanced in vitro corrosion resistance, cytocompatibility, in vitro antibacterial activities, in vivo antibacterial activities, in vivo corrosion resistance and in vivo stimulation of bone formation on plasma-modified biodegradable Mg and its alloys...

  • Article
  • Open Access
40 Citations
4,050 Views
12 Pages

Novel Insights into Mercury Effects on Hemoglobin and Membrane Proteins in Human Erythrocytes

  • Marina Piscopo,
  • Rosaria Notariale,
  • Fabiana Tortora,
  • Gennaro Lettieri,
  • Giancarlo Palumbo and
  • Caterina Manna

19 July 2020

Mercury (Hg) is a global environmental pollutant that affects human and ecosystem health. With the aim of exploring the Hg-induced protein modifications, intact human erythrocytes were exposed to HgCl2 (1–60 µM) and cytosolic and membrane...

  • Article
  • Open Access
9 Citations
2,931 Views
11 Pages

14 July 2020

Functionalized Tris[2-(dimethylamino) ethyl] amine (Me6TREN) ligands tethered-Fe3O4@Me6TREN nanoparticles (NPs) with a size of 150 nm were prepared to achieve classified and easy recovery of heavy metal ions in wastewater. The preparation of such NPs...

  • Article
  • Open Access
11 Citations
3,212 Views
13 Pages

Surface Functionalization of Mesoporous Carbon for the Enhanced Removal of Strontium and Cesium Radionuclides

  • Munzir Hamedelniel Suliman,
  • Mohammad Nahid Siddiqui and
  • Chanbasha Basheer

25 September 2020

Mesoporous carbons (MPC) and modified mesoporous carbons (MMPC) were prepared from asphalt for the adsorption of several metal ions from the aqueous solution. In this study, we investigated the adsorption efficiency of Cesium (Cs+) and Strontium (Sr2...

  • Article
  • Open Access
3 Citations
4,297 Views
14 Pages

Selectivity of Relative Humidity Using a CP Based on S-Block Metal Ions

  • Amalia García-García,
  • Víctor Toral,
  • José F. Quílez del Moral,
  • Alberto Galisteo Pretel,
  • Diego P. Morales,
  • Alfonso Salinas-Castillo,
  • Javier Cepeda,
  • Duane Choquesillo-Lazarte,
  • Marco Bobinger and
  • Antonio Rodríguez-Diéguez
  • + 2 authors

21 February 2022

Herein, we present the syntheses of a novel coordination polymer (CP) based on the perylene-3,4,9,10-tetracarboxylate (pery) linkers and sodium metal ions. We have chosen sodium metal center with the aim of surmising the effect that the modification...

  • Review
  • Open Access
52 Citations
12,438 Views
18 Pages

The presence of heavy metal ions in polluted wastewater represents a serious threat to human health, making proper disposal extremely important. The utilization of nanofiltration (NF) membranes has emerged as one of the most effective methods of heav...

  • Proceeding Paper
  • Open Access
1 Citations
2,138 Views
4 Pages

Sensitivity to Heavy-Metal Ions of Cage-Opening Fullerene Quantum Dots

  • Erica Ciotta,
  • Paolo Prosposito,
  • Pietro Tagliatesta,
  • Chiara Lorecchio,
  • Iole Venditti,
  • Ilaria Fratoddi and
  • Roberto Pizzoferrato

In this study, we have carried out a characterization of the quenching effect produced by some commonly encountered metal ions (Co2+, Cu2+, Ni2+, Pb2+, Cd2+, As5+) on the photoluminescence of water suspensions of open-cage fullerene quantum dots prep...

  • Review
  • Open Access
1 Citations
3,556 Views
26 Pages

Application Progress of Magnetic Chitosan in Heavy Metal Wastewater Treatment

  • Xiaotian Wang,
  • Yan Zhuang,
  • Kinjal J. Shah and
  • Yongjun Sun

Wastewater containing heavy metals can come from a variety of sources and is extremely toxic and hard to break down. Conventional treatment methods can easily result in secondary pollution and are expensive. The research on magnetic chitosan composit...

  • Review
  • Open Access
11 Citations
4,086 Views
34 Pages

Advances in Electrochemical Energy Storage over Metallic Bismuth-Based Materials

  • Xiaolong Cheng,
  • Dongjun Li,
  • Yu Jiang,
  • Fangzhi Huang and
  • Shikuo Li

20 December 2023

Bismuth (Bi) has been prompted many investigations into the development of next-generation energy storage systems on account of its unique physicochemical properties. Although there are still some challenges, the application of metallic Bi-based mate...

  • Review
  • Open Access
14 Citations
3,340 Views
20 Pages

Heavy metals in water pose a great threat to human health, and water treatment remains a critical issue globally. Among various water treatment techniques, adsorption has been proven to be an excellent way to remove heavy metals from water due to its...

  • Review
  • Open Access
121 Citations
18,188 Views
82 Pages

A Review on Metal Ions Modified TiO2 for Photocatalytic Degradation of Organic Pollutants

  • Dafu Jiang,
  • Tunmise Ayode Otitoju,
  • Yuanyuan Ouyang,
  • Noor Fazliani Shoparwe,
  • Song Wang,
  • Ailing Zhang and
  • Sanxi Li

27 August 2021

TiO2 is a semiconductor material with high chemical stability and low toxicity. It is widely used in the fields of catalysis, sensing, hydrogen production, optics and optoelectronics. However, TiO2 photocatalyst is sensitive to ultraviolet (UV) light...

  • Review
  • Open Access
115 Citations
15,202 Views
21 Pages

Deferoxamine B is an outstanding molecule which has been widely studied in the past decade for its ability to bind iron and many other metal ions. The versatility of this metal chelator makes it suitable for a number of medicinal and analytical appli...

  • Article
  • Open Access
50 Citations
6,703 Views
21 Pages

Functionalization of Magnetic Chitosan Particles for the Sorption of U(VI), Cu(II) and Zn(II)—Hydrazide Derivative of Glycine-Grafted Chitosan

  • Mohammed F. Hamza,
  • Mohsen M. Aly,
  • Adel A.-H. Abdel-Rahman,
  • Samar Ramadan,
  • Heba Raslan,
  • Shengye Wang,
  • Thierry Vincent and
  • Eric Guibal

16 May 2017

A new magnetic functionalized derivative of chitosan is synthesized and characterized for the sorption of metal ions (environmental applications and metal valorization). The chemical modification of the glycine derivative of chitosan consists of: act...

  • Review
  • Open Access
11 Citations
3,685 Views
18 Pages

Rational Design of Fluorescent/Colorimetric Chemosensors for Detecting Transition Metal Ions by Varying Functional Groups

  • Jong-Kwon Park,
  • Junhyeop Shin,
  • Seohyeon Jang,
  • Myeong-Lok Seol,
  • Jihyeon Kang,
  • Seyoung Choi,
  • Hojong Eom,
  • Ohhyun Kwon,
  • Soomin Park and
  • Inho Nam
  • + 1 author

29 October 2022

In recent decades, concerns about increasing biological and environmental contamination have necessitated the development of chemosensors with high selectivity, sensitivity, and cost-effectiveness. In principle, the sensing performance can be affecte...

  • Article
  • Open Access
8 Citations
3,507 Views
37 Pages

Phosphonation of Alginate–Polyethyleneimine Beads for the Enhanced Removal of Cs(I) and Sr(II) from Aqueous Solutions

  • Khalid A. M. Salih,
  • Kanggen Zhou,
  • Mohammed F. Hamza,
  • Hamed Mira,
  • Yuezhou Wei,
  • Shunyan Ning,
  • Eric Guibal and
  • Waheed M. Salem

11 February 2023

Although Cs(I) and Sr(II) are not strategic and hazardous metal ions, their recovery from aqueous solutions is of great concern for the nuclear industry. The objective of this work consists of designing a new sorbent for the simultaneous recovery of...

  • Review
  • Open Access
29 Citations
4,223 Views
27 Pages

27 December 2021

Diamond electrodes have long been a well-known candidate in electrochemical analyte detection. Nano- and micro-level modifications on the diamond electrodes can lead to diverse analytical applications. Doping of crystalline diamond allows the fabrica...

  • Feature Paper
  • Review
  • Open Access
14 Citations
4,551 Views
16 Pages

22 September 2022

In recent years, advances in lithium-ion batteries (LIBs) have pushed the research of other metal-ion batteries to the forefront. Aqueous zinc ion batteries (AZIBs) have attracted much attention owing to their low cost, high capacity and non-toxic ch...

  • Article
  • Open Access
7 Citations
3,352 Views
14 Pages

Development of Kraft Lignin Chemically Modified as a Novel Crosslinking Agent for the Synthesis of Active Hydrogels

  • Diana Rico-García,
  • Luis Guillermo Guerrero-Ramírez,
  • Leonardo Ramses Cajero-Zul,
  • Euologio Orozco-Guareño,
  • Edgar Benjamin Figueroa-Ochoa,
  • Ramon Alejandro Gutiérrez-Saucedo,
  • Leyre Perez-Alvarez,
  • Jose Luis Vilas-Vilela and
  • Saira Lizette Hernandez-Olmos

28 April 2021

In this research a chemical modification of kraft lignin was carried out using a basic nucleophilic substitution reaction (NSA) in order to functionalize it as a novel crosslinking agent for the synthesis of active hydrogels. The chemical modificatio...

  • Article
  • Open Access
1,666 Views
15 Pages

This research introduces a novel synthetic method for introducing highly luminescent silver nanoclusters (AgNCs). The technique relies on coffee Arabica seed extraction (CSE), which is the focus of this study. Our developed and manufactured ecologica...

  • Feature Paper
  • Review
  • Open Access
41 Citations
6,302 Views
24 Pages

Sample Preparation Using Graphene-Oxide-Derived Nanomaterials for the Extraction of Metals

  • Natalia Manousi,
  • Erwin Rosenberg,
  • Eleni A. Deliyanni and
  • George A. Zachariadis

Graphene oxide is a compound with a form similar to graphene, composed of carbon atoms in a sp2 single-atom layer of a hybrid connection. Due to its significant surface area and its good mechanical and thermal stability, graphene oxide has a plethora...

  • Review
  • Open Access
677 Views
16 Pages

Functionalization of Wood for the Removal of Heavy Metal Ions from Waster Water: A Review

  • Yang Liu,
  • Xiaolin Zhang,
  • Yanzhuo Du,
  • Xuebin Du,
  • Yi Zhang,
  • Layun Deng,
  • Cheng Li and
  • Jianhui Guo

5 November 2025

As global efforts towards green development intensify, eco-friendly materials have become pivotal to achieving sustainability. Wood, a natural, renewable, and environmentally benign biomass, holds great promise for green material applications due to...

  • Article
  • Open Access
319 Views
20 Pages

14 January 2026

Hydrophobic nanofiber membranes derived from the biopolymer alginate were fabricated by electrospinning followed by metal ion crosslinking, and their potential as oil-water separation membranes was primarily investigated. Sodium alginate (SA) was co-...

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