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View article: Adsorption of Methylene Blue Using the Biosorbent of Teak Sawdust
Adsorption of Methylene Blue Using the Biosorbent of Teak Sawdust Open
The expansion of the textile industry on a global scale has led to a decline in the quality of our environment due partly to the increasing discharge of untreated textile waste. Industrial textile waste generates two types of environmental…
View article: The Modification of Coal Fly Ash Adsorbent Using Dithizone Immobilization for Cd(II) Ions Removal
The Modification of Coal Fly Ash Adsorbent Using Dithizone Immobilization for Cd(II) Ions Removal Open
The adsorption of Cd(II) ions onto an adsorbent of dithizone-immobilized coal fly ash (DCFA) was done using batch experiments. In this study, coal fly ash was initially activated using hydrochloric acid, and then its surface was modified b…
View article: Thiourea-modified chitosan for effective adsorption of Remazol Brilliant Blue R: Synthesis, characterization, adsorption properties, and morphological effects
Thiourea-modified chitosan for effective adsorption of Remazol Brilliant Blue R: Synthesis, characterization, adsorption properties, and morphological effects Open
This study explores the adsorption of Remazol Brilliant Blue R (RBBR) dye from aqueous solutions using thiourea-grafted chitosan in powder (TUCTS-P) and film (TUCTS-F) forms. The combination of thiourea and chitosan results in a material w…
View article: Synthesis and application of Fe/Ni modified ZIF-8 as an environmentally friendly photocatalyst for methylene blue dye degradation under visible light
Synthesis and application of Fe/Ni modified ZIF-8 as an environmentally friendly photocatalyst for methylene blue dye degradation under visible light Open
A series of Fe( iii ) and Ni( ii ) bimetallic doped ZIF-8 materials were synthesized via a facile, green, room-temperature method to act as highly efficient photocatalysts for methylene blue (MB) degradation.
View article: Environmentally friendly membrane based on chitosan, citric acid, and calcium for slow-release fertilizer
Environmentally friendly membrane based on chitosan, citric acid, and calcium for slow-release fertilizer Open
In agriculture, fertilizers are important for plant growth. Among them, conventional fertilizers, particularly urea fertilizers, are popular owing to their low cost and high nitrogen content. However, their use often leads to uneven nitrog…
View article: Low-Cost Adsorbent Development: Sulfuric Acid-Activated Teak Sawdust for Effective Methylene Blue Removal
Low-Cost Adsorbent Development: Sulfuric Acid-Activated Teak Sawdust for Effective Methylene Blue Removal Open
The expansion of the global textile industry has resulted in a decline in environmental quality. Environmental pollution resulting from textile dye waste may include heavy metals and dyes, which exhibit carcinogenic and mutagenic effects. …
View article: The Application of the HSV Color Model for Accurate Digital Colorimetric Analysis of Fluoride Detection Using a Thiourea Receptor
The Application of the HSV Color Model for Accurate Digital Colorimetric Analysis of Fluoride Detection Using a Thiourea Receptor Open
Color analysis using colorimetric detection has shown significant advancements, although it still faces challenges when capturing color images under varying illumination conditions. This study explores the utilization of the HSV (hue, satu…
View article: Electrosynthesis of Anisotropic Biogenic Silver Nanoparticles as A Promising Antibacterial Agent Using Stachytarpheta Jamaicensis Leaf Extract
Electrosynthesis of Anisotropic Biogenic Silver Nanoparticles as A Promising Antibacterial Agent Using Stachytarpheta Jamaicensis Leaf Extract Open
Antibiotic-resistant bacteria provide a great opportunity to use silver nanoparticles (AgNPs) as potential antibiotic replacements. This work utilized Stachytarpheta jamaicensis leaf extract (SJLE)-mediated electrosynthesis of biogenic AgN…
View article: Adsorption of methylene blue into modified mesoporous silica from palm oil boiler ash
Adsorption of methylene blue into modified mesoporous silica from palm oil boiler ash Open
The adsorption of methylene blue dye on modified mesoporous silica based on palm oil boiler ash (MS-POBA) as an adsorbent with a methyl ester sulfonate (MES) was investigated. MS-POBA and MES as a template improved the adsorption capacity …
View article: Adsorption of Methylene Blue using the Biosorbent of Coconut Fiber Activated by Nitric Acid
Adsorption of Methylene Blue using the Biosorbent of Coconut Fiber Activated by Nitric Acid Open
The textile industry in the world keeps increasing, but it harms environmental pollution caused by textile dye waste. Synthetic dyes contain carcinogenic and mutagenic ingredients that can demage the environment and aquatic biota. The alte…
View article: Synthesis of Dialdehyde Carboxymethyl Cellulose-Crosslinked-Chitosan for Preconcentration of Cu(II) Using Batch Method
Synthesis of Dialdehyde Carboxymethyl Cellulose-Crosslinked-Chitosan for Preconcentration of Cu(II) Using Batch Method Open
In a batch system, The Cu(II) preconcentration parameters were optimized using chitosan-crosslinked dialdehyde carboxymethyl cellulose (CS-DCMC). The experiment was started with the oxidation of carboxymethyl cellulose by periodate to form…
View article: Development of Methylmercury Analysis by Ultra-High Performance Liquid Chromatography Coupled with ICP-MS and Its Application on Sharks’ Meat Measurement
Development of Methylmercury Analysis by Ultra-High Performance Liquid Chromatography Coupled with ICP-MS and Its Application on Sharks’ Meat Measurement Open
This study analyzed MeHg in a fast, simple, low-waste, and accurate by using ultra-high liquid chromatography coupled with inductively coupled plasma mass spectrometry. Simple preparation by liquid extraction with sonication at room temper…
View article: Use of Calixarenes Bearing Benzoyl Groups for the Adsorption of Heavy Metals Cations: Equilibrium and Kinetics Studies
Use of Calixarenes Bearing Benzoyl Groups for the Adsorption of Heavy Metals Cations: Equilibrium and Kinetics Studies Open
This study aims to examine the potential of p-tert-butylkalix[4]arene derivatives, namely 5,11,17,23-tetra-tert-butyl-25,26,27,28-tetrahydroxy-calix[4]arene (TBCA), and 5,11,17,23-tetra-tert-butyl-25-monohydroxy-26,27,28-tribenzoyloxycalix…
View article: Fabrication of Polystyrene Sulfonate-Chitosan (PSS-Chitosan) Membrane as Dodecyl Benzene Sulfonate (DBS) Adsorbent in Laundry Wastewater
Fabrication of Polystyrene Sulfonate-Chitosan (PSS-Chitosan) Membrane as Dodecyl Benzene Sulfonate (DBS) Adsorbent in Laundry Wastewater Open
The combination of polystyrene and chitosan can form polyelectrolyte (PE) membranes. Polystyrene sulfonate-chitosan (PSS-chitosan) adsorbent membrane can adsorb dodecyl benzene sulfonate (DBS) in laundry wastewater. This study aimed to syn…
View article: Linear and nonlinear modeling of kinetics and isotherm of malachite green dye adsorption to trimellitic-modified pineapple peel
Linear and nonlinear modeling of kinetics and isotherm of malachite green dye adsorption to trimellitic-modified pineapple peel Open
Adsorption is known for toxic dye removal in water, which can utilize a plant-based material to make a low cost and sustainable adsorbent. This study addresses the issue of preparing a cellulose-based adsorbent that is catered to cationic …
View article: Design and Synthesis of the Poly Vinyl Chloride (PVC) Membrane for Fe(III) Ion Selective Electrode (ISE) Based on Ester Modified Humic Acid (EHA) as an Ionophore
Design and Synthesis of the Poly Vinyl Chloride (PVC) Membrane for Fe(III) Ion Selective Electrode (ISE) Based on Ester Modified Humic Acid (EHA) as an Ionophore Open
Design and synthesis of the poly vinyl chloride (PVC) membrane as Fe(III) ion selective electrode (ISE) sensor based on EHA ionophore as an excellent sensory molecule for monitoring Fe(III) in the sample solution had been done. Simple and …
View article: Carbon/Alginate/Chitosan Composite as a Sorbent for Solid-Phase Extraction and Preconcentration of Cu(II)
Carbon/Alginate/Chitosan Composite as a Sorbent for Solid-Phase Extraction and Preconcentration of Cu(II) Open
Carbon/Alginate/Chitosan Composite (CAC) as a sorbent for solid-phase extraction of Cu(II) (pre-concentration) with atomic absorption spectrometry for analysis was successfully prepared. The sorbent was made with a mass ratio of chitosan:a…
View article: Adsorption of Pb(II) on Calix[4]arene Derivatives: Kinetics and Isotherm Studies
Adsorption of Pb(II) on Calix[4]arene Derivatives: Kinetics and Isotherm Studies Open
This study aims to investigate the application of two calix[4]arene derivatives named 5,11,17,23-tetra-(t-butyl)-25,26,27,28-tetrahydroxycalix[4]arene (TBCA) and 5,11,17,23-tetra-(t-butyl)-26,27,28-tribenzoyloxycalix[4]arene (TBMTCA) as ad…
View article: Kinetic Study of Blue Methylene Adsorption Using Coconut Husk Base Activated
Kinetic Study of Blue Methylene Adsorption Using Coconut Husk Base Activated Open
Blue methylene is a cationic dye. It is usually as in various industries. The waste of blue methylene can reduce the environmental balance, especially for aquatic biota, by inhibiting the penetration of sunlight into the water. The experim…
View article: Application of Poly(Ethyl Eugenyl Oxyacetate) Compounds as the Ions Carrier for Heavy Metals Separation and Separation of Fe and Ni in Ferronickel Using Liquid Membrane Transport Method
Application of Poly(Ethyl Eugenyl Oxyacetate) Compounds as the Ions Carrier for Heavy Metals Separation and Separation of Fe and Ni in Ferronickel Using Liquid Membrane Transport Method Open
Poly(ethyl eugenyl oxyacetate) (PEEOA) had been synthesized for separating heavy metals like Fe(III), Cr(III), Cu(II), Ni(II), Co(II), and Pb(II) by liquid membrane transport method. The effects of pH, ion carrier volume, stripping concent…
View article: Heavy Metals Concentration in Muscle Tissue of Threatened Sharks (<i>Rhizoprionodon acutus</i>, <i>Sphyrna lewini</i>, and <i>Squallus hemipinnis</i>) from Binuangeun, Lebak Banten, Indonesia
Heavy Metals Concentration in Muscle Tissue of Threatened Sharks (<i>Rhizoprionodon acutus</i>, <i>Sphyrna lewini</i>, and <i>Squallus hemipinnis</i>) from Binuangeun, Lebak Banten, Indonesia Open
Metals accumulation in threatened sharks’ meat represents a global health issue. The objective of the current study was to measure the concentration of six metals (Li, Ti, Ni, Cd, As, and Pb) using ICP-MS in threatened sharks’ meat of Rhiz…
View article: Effect of Ascorbic Acid Concentration on the Stability of Tartrate-Capped Silver Nanoparticles
Effect of Ascorbic Acid Concentration on the Stability of Tartrate-Capped Silver Nanoparticles Open
In this work, tartrate-capped silver nanoparticles (AgNPs) by reducing Ag+ ions into Ag0 using L-ascorbic acid and capping disodium tartrate have been prepared. The reaction was carried out at room temperature in an alkaline medium of pH 1…
View article: Superparamagnetic Composite of Magnetite-CTAB as an Efficient Adsorbent for Methyl Orange
Superparamagnetic Composite of Magnetite-CTAB as an Efficient Adsorbent for Methyl Orange Open
In this study, a superparamagnetic composite of magnetite-cetyltrimethylammonium bromide (CTAB) has been prepared by the coprecipitation method and then applied as a charge-selective adsorbent of anionic methyl orange (MO). The VSM (Vibrat…
View article: Optical fiber mercury biosensor based on immobilized urease and bromothymol blue onto the alginate-chitosan membrane in the flow-system
Optical fiber mercury biosensor based on immobilized urease and bromothymol blue onto the alginate-chitosan membrane in the flow-system Open
An optical fiber biosensor has been developed for the detection of mercury ion based on inhibition of urease immobilized onto alginate–chitosan membrane, coupled with bromothymol blue (BTB) in the flow system. To get a good performance of …
View article: Preparation, Characterization, and <i>In Vitro</i> Hemocompatibility of Glutaraldehyde-Crosslinked Chitosan/Carboxymethylcellulose as Hemodialysis Membrane
Preparation, Characterization, and <i>In Vitro</i> Hemocompatibility of Glutaraldehyde-Crosslinked Chitosan/Carboxymethylcellulose as Hemodialysis Membrane Open
This study aims to examine the manufacture, characterization, and in vitro hemocompatibility of glutaraldehyde-crosslinked chitosan/carboxymethyl cellulose (CS/CMC-GA) as a hemodialysis membrane. The CS/CMC-GA membrane was prepared using t…