Original Research Article
1. Optimization of Important Factors on the Adsorption of Methyl Violet by Modified Palm Fiber Using Experimental Design Method

Maryam Abrishamkar; Rashin Andayesh; Hossein Hodaee

Articles in Press, Accepted Manuscript, Available Online from 30 August 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.1

Abstract
  Via Box-Behnken method, we evaluated the influence of various factors on absorption, including the amount of absorbent, the speed of stirring the solution and absorbent, pH of solution, time of contact, and various concentrations of violet methyl colour, to obtain optimum conditions. The maximum extent ...  Read More

Optimization of Important Factors on the Adsorption of Methyl Violet by Modified Palm Fiber Using Experimental Design Method


Short Communication
2. Proton Transfer Reaction in Water: Hydronium Ion Formation

In Sang Lee; Sitansu Sekhar Nanda

Articles in Press, Accepted Manuscript, Available Online from 03 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.2

Abstract
  The current ongoing scientific debate deals with accumulation of hydronium ions (H3O+) on water surface. Elevated interfacial concentration measured by using Raman spectroscopy. A strong surface affinity of H3O+ indicated by Raman spectroscopy under similar conditions. Ion adsorption phenomena, H3O+ ...  Read More

Proton Transfer Reaction in Water: Hydronium Ion Formation


Original Research Article
3. Propylene Oxide- Ethylene Oxide Block Polymer as a Surfactant for Cloud Point Extraction of Some Metal Ions

Abdelsalam Asweisi; Rihab Hussein; Nabil Bader; Rajab Elkailany

Articles in Press, Accepted Manuscript, Available Online from 05 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.3

Abstract
  Propylene oxide-ethylene oxide block polymer (PO-EO) is a surfactant with low cloud point. It has been used for separation of Cu2+, Fe3+, Mn2+, Cd2+ and Cr3+ ions in aqueous media. The effect of different factors on recovery percent, like pH, temperature, amount of chelating agent, and amount of surfactant ...  Read More

Propylene Oxide- Ethylene Oxide Block Polymer as a Surfactant for Cloud Point Extraction of Some Metal Ions


Original Research Article
4. Structural Properties and Cation Distribution in Co2+ and Ho3+ Ions Induced Nanocrystalline ZnFe2O4

Jalindar Gahininath Lohkare; Shujat Hussain Quadri; Laxamn Appa Dhale; Ketankumar Ambadasrao Ganure

Articles in Press, Accepted Manuscript, Available Online from 12 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.4

Abstract
  Nanocrystalline CoyZn1-yHozFe2-zO4 (where y = 0.0, 0.25, 0.5, 0.75, 1.00 and z=0.0, 0.03, 0.06, 0.08, 0.1) ferrites were prepared by sol-gel auto combustion method at pH of 8. Samples were obtained by annealing at relatively low temperature 600 °C for 4 h and characterized by thermo gravimetric/differential ...  Read More

Structural Properties and Cation Distribution in Co2+ and Ho3+ Ions Induced Nanocrystalline ZnFe2O4


Original Research Article
5. Synthesis, Characterization and Biological Activity of Schiff Bases Based on Chitosan and Acetophenone Derivatives

Olivia Hanaa Raouf; Samy Selim; Hussein Mohamed; Omayma Fawazy Abdel-Gawad; Ali Mahmoud Elzanaty; Sayed Abdel-Kader Ahmed

Articles in Press, Accepted Manuscript, Available Online from 12 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.5

Abstract
  Modification of chitosan any Schiff base reaction with acetophenone derivatives was done. Fourier transformer infrared analysis (FT-IR), scanning electron microscope (SEM), and X-ray diffraction (XRD) were used as the appropriate characterize the Schiff base derivatives. Thermal behavior of the prepared ...  Read More

Synthesis, Characterization and Biological Activity of Schiff Bases Based on Chitosan and Acetophenone Derivatives


Original Research Article
6. A Highly Selective Complexometric Determination of Mercury(II) using L-Tyrosine as a Masking agent

Ashwini Prasad; Gopalakrishna Bhat Nellikaya; Ronald Aquin Nazareth

Articles in Press, Accepted Manuscript, Available Online from 16 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.6

Abstract
  Determination of mercury in the existence of various other metal ions, a transparent speedy and accurate complexometric method is described, depending on the selective masking ability of L-Tyrosine towards Hg (II). Along with other associated metal ions, Hg (II) present in a given sample solution is ...  Read More

A Highly Selective Complexometric Determination of Mercury(II) using L-Tyrosine as a Masking agent


Original Research Article
7. Effective Removal of Cd(II) and Pb(II) from Aqueous Solution by Synthesized Palladium Nanoparticles Using Spent PdCl2 Catalyst: Experimental Design and Optimization

Ozra Alimohammadi

Articles in Press, Accepted Manuscript, Available Online from 16 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.7

Abstract
  Environmental considerations have motivated the present study to develop and to investigate Cd (II) and Pb (II) removal process from aqueous solutions. This was carried out through the application of ultrasound onto sodium dodecyl sulfate coated palladium nanoparticles (SDSPdNPs). The recovered palladium ...  Read More

Effective Removal of Cd(II) and Pb(II) from Aqueous Solution by Synthesized Palladium Nanoparticles Using Spent PdCl2 Catalyst: Experimental Design and Optimization


Original Research Article
8. Physico-Chemical Properties of Ordinary Portland Cement Pastes after Partial Substitution of Gypsum with Thermally Treatment Phosphogypsum

Mahmoud Ahmed Taher; Adel Mohamed Amine; Bassam Khalaf Damarany

Articles in Press, Accepted Manuscript, Available Online from 17 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.8

Abstract
  The present study conducted to investigate the potential use of PG in cement industry. This was accomplished by preparing mortar mixes contain Portland cement clinker (PPC) with thermally treated PG at different temperatures (200, 400, 600, 800 and 1000 °C) instead of raw gypsum (RG) at different ...  Read More

Physico-Chemical Properties of Ordinary Portland Cement Pastes after Partial Substitution of Gypsum with Thermally Treatment Phosphogypsum


Original Research Article
9. Comparative Studies of Nutritional, Microbial and Organoleptic Properties of Different Indigenous Dried Fish from Local Market in Bangladesh

Md Masud Rana; Subhash Chandra Chakraborty; Abu Saeid

Articles in Press, Accepted Manuscript, Available Online from 18 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.9

Abstract
  In this study, ten indigenous dried market fishes were selected to analyze the proximate composition, microbial analysis, and organoleptic properties. Proximate compositions were found to be varied among the species. Moisture content ranged from 15.66% to 35.50%, protein content ranged from 42.06% to ...  Read More

Comparative Studies of Nutritional, Microbial and Organoleptic Properties of Different Indigenous Dried Fish from Local Market in Bangladesh


Original Research Article
10. Development and Validation of Vierordt’s and Absorbance Ratio Spectrophotometric Methods for Simultaneous Estimation of Aspirin and Omeprazole in Their Binary Mixture

Megha Sharma; Anupam Jaiswal; Shalini Shivhare; Aditi Bapat; Deepak Kumar Jain

Articles in Press, Accepted Manuscript, Available Online from 19 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.3.10

Abstract
  The present study deals with the development and validation of two simple, accurate and precise spectrophotometricmethods for estimation of Aspirin (AS) and Omeprazole (OMP) in their binary mixture. The first method was developed using Vierordt’s simultaneous equation method. It involves absorbance ...  Read More

Development and Validation of Vierordt’s and Absorbance Ratio Spectrophotometric Methods for Simultaneous Estimation of Aspirin and Omeprazole in Their Binary Mixture


Review Article
11. A Review on Gold Nanoparticles Aggregation and Its Applications

Sakineh Alizadeh; Zahra Nazari

Articles in Press, Accepted Manuscript, Available Online from 25 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.1

Abstract
  In recent years, nanoparticles have been classified in two-or three-categories namely nanocrystals, films and quantum dots. Due to the various properties shown by these composites, in comparison to individual particles, the studies that are related to the understanding and characterization of these materials ...  Read More

A Review on Gold Nanoparticles Aggregation and Its Applications


Original Research Article
12. Oxidation of Propane-1,3-diol (Non-Vicinal) by Potassium Permanganate in Aqueous Medium. A Kinetic Study

Dayo Latona

Articles in Press, Accepted Manuscript, Available Online from 27 September 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.2

Abstract
  The oxidation of propane-1,3-diol by potassium permanganate in aqueous solution was investigated at λmax 525 nm. The rate of the reaction was found to increase with increase in [KMnO4] and [Propane-1,3-diol]. The reaction showed first order dependence each in [KMnO4] and [Propane-1,3-diol] and ...  Read More

Oxidation of Propane-1,3-diol (Non-Vicinal) by Potassium Permanganate in Aqueous Medium. A Kinetic Study


Original Research Article
13. Polygalacturonase Production by Aspergillus Niger Solid State Fermentation on Barley Bran and Sugar Beet Pulp Mixture

Abolhasan Alavi; Farahnoosh Tahghighi Nia; Farshid Pajoom Shariati

Articles in Press, Accepted Manuscript, Available Online from 07 October 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.3

Abstract
  In this research, barley bran mixtures with sugar beet pulp were used for polygalacturonase enzyme production by Aspergillus niger fungus in solid state fermentation method for the first time. Effect of some factors including carbon sources relative composition, fermentation time, fermentation temperature, ...  Read More

Polygalacturonase Production by Aspergillus Niger Solid State Fermentation on Barley Bran and Sugar Beet Pulp Mixture


Original Research Article
14. Mobilization and Distribution of Arsenic with Other Metal Ions at Upstream and Downstream of River Meghna

Kazi Mohammad Anamoul Haque; Mohd Nur E Alam Siddique; A. H. M. Shofiul Islam Molla Jamal; Md Anawarul Islam

Articles in Press, Accepted Manuscript, Available Online from 25 October 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.4

Abstract
  Geochemical study of toxic metal arsenic along with heavy metals (Fe. Mn and Cu), of borehole sediments of the Kushiara and Meghna, rivers in Bangladesh was conducted to investigate the mobilization, distribution and correlation of arsenic with depth, nature of sediment and locations of sampling site, ...  Read More

Mobilization and Distribution of Arsenic with Other Metal Ions at Upstream and Downstream of River Meghna


Original Research Article
15. Effect of Insulation Layer Composite and Water Adsorption on Bonding Performance in Heat Barriers

Mahmoud E. Awad; Mohamed Nasser

Articles in Press, Accepted Manuscript, Available Online from 26 October 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.5

Abstract
  Thermal insulation layer in solid rocket motors is a vital component during the rocket flight. Many factors can affect the performance of this insulation layer. Bonding property between rocket propellant and the thermal insulation layer are examined in this study. Hydroxyl terminated polybutadiene (HTPB) ...  Read More

Effect of Insulation Layer Composite and Water Adsorption on Bonding Performance in Heat Barriers


Original Research Article
16. In Silico Approach Towards the Prediction of Drug-likeness, in Vitro Microbial Investigation and Formation of Dihydropyrrolone Conjugates

Keyur M. Pandya; Bhavesh P. Dave; Rajesh J. Patel; Piyush S. Desai

Articles in Press, Accepted Manuscript, Available Online from 10 November 2019

http://dx.doi.org/10.33945/SAMI/AJCA.2020.4.6

Abstract
  In this research study, we have synthesized a library of 2-substituted-1-(2-(5-((5-5-benzoyl-1H-benzo[d][1,2,3]triazole-1-yl)methyl)-2-thioxo-1,3,4-oxadiazol-3(2H)-yl) acetamido)-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylic acids from 1H-benzo[d][1,2,3] triazole-5-yl)(phenyl)methanone. The synthesized compounds ...  Read More

In Silico Approach Towards the Prediction of Drug-likeness, in Vitro Microbial Investigation and Formation of Dihydropyrrolone Conjugates