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The Journal of Pure and Applied Chemistry Research
Published by Universitas Brawijaya
ISSN : 23024690     EISSN : 25410733     DOI : http://dx.doi.org/10.21776/ub.jpacr
Core Subject : Health, Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry Materials Science & Nanotechnology Medicine & Pharmacology
The Journal of Pure and Applied Chemistry Research focuses in publishing research articles in the field of Chemistry and Applied Chemistry. The target is in exploring, investigating, and developing chemicals sources from local and/or Indonesian to increase the value. Scope of the journal is organic chemistry, analytical chemistry, inorganic chemistry, biochemistry, and physical chemistry. Included the topic also organic chemistry natural product, theoretical and computational chemistry.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol. 3 No. 3 (2014)" : 7 Documents clear
Adsorption of Iron by Fly Ash Adsorbent of Coal Irawan, Candra; Atikah, Atikah; Rumhayati, Barlah
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.667 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.154

Abstract

This research has investigated adsorption of Fe with using fly ash adsorbent. Phases of adsorption of Fe isactivatedwithH2SO4afterthat thefly ashwere characterizedby usingXRF, FTIRandSEM. Determination ofoptimum conditionsonthe adsorptionof Fewithadsorbentmassvariations, variations incontact time, pHvariationandvariationconcentration andadsorptionisothermstudy. Resulth showthat theadsorptionof Fein optimum conditionoccurs inadsorbentmass of2.5g, for 60minutescontact timewithpH4at a concentration of20ppm. The results alsoable toadsorpup to94% Fe. The adsorption of Fe with using fly ashadsorbentwas more fitted to theLangmuirmodel than to Freundlich model <w:LsdException Locked="false" Priority=
The Effect of KIO3 and KI Salt Towards Iodium Levels (I2) in Urine, Malondialdehyde (MDA) and The Histology of Thyroid Gland of Goitrogenic Rat Heli, Risman; Mahdi, Chanif; Prasetyawan, Sasangka
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (544.921 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.181

Abstract

Goitrogenic substances can inhibit of iodine taking by the thyroid gland. Thus iodine concentration in thyroid gland will be low, and this phenomena is indicated by inflammation in the thyroid gland. Moreover, it can cause releaseing of an excessive amount of free radicals. This radicals, in the body, causes oxidative stress and also increase the levels of malondialdehyde (MDA). This is also as an indicator for lipid peroxidation and the decreasing of urinary iodine excretion levels (EIU). The treatment with KIO3and KI salt was intended to study the level of supplementation of iodine (I2) toward level of MDA in serum and histological description of rat’s thyroid gland. The MDA levels was determined through TBA test (Thio Barbituric Acid), meanwhile the histological pattern of  rat thyroid gland was determined by Hematoxylen-Eosin staining (HE). The results indicated both of KIO3 and KI salt significantly (p<0.01) reduced MDA level in the serum. Treatment with KIO3 salt gave 33.62% while KI salt slightly higher (37,02%). In addition, both of treaments displayed an recovering effect in thyroid gland.
Study of Structural Properties of Mesoporous Carbon From Fructose with Zinc Borosilicate Activator Setianingsih, Tutik; Kartini, Indriana; Arryanto, Yateman
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (446.981 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.173

Abstract

Structural properties, including pore structure, functional group of carbon surface, and crystal structure of carbon built by zinc borosilicate (ZBS) and ZnCl2 (Z) have been investigated in this work. Physically, ZBS and ZnCl2 may act as template of carbon, whereas the Zn(II) cation act as chemical activator of carbonization. All precursors of ZBS (silicagel, boric acid, and ZnCl2) may act as catalysts of caramelization. The caramelization was conducted hydrothermally at 85oC and thermally 130oC. The carbonization was conducted at 450oC. The resulted carbons were washed by using HF 48% solution, 1M HCl solution, and aquadest respectively. The solid products were characterized by using nitrogen gas adsorption, infrared spectrophotometry, X-ray diffraction, and Transmition Electron Microscopy. Result of research showed that ZBS built larger mesopore volume, larger pore domination of pore size, more hydrophobic carbon, and more amorf than ZnCl2.
Bimetallic Heteronuclear Complexes Bridged with Ferrichexathiocyanate-Synthesis, Characterization and Antibacterial Properties Uddin, Mohammad Nasir; Chowdhury, D A; Akter, Jashmin
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (656.51 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.169

Abstract

A number of heterobinuclear thiocyanato-bridged complexes of cations, [M(NH2X)6]2+ and [M(en)3]2+ (where en= Ethylenediamine, X = H, Ph; M= Ni, Cu, Cd, Zn), with ferrichexathiocyanate have been prepared. The complexes have been characterized by FT-IR, 13C NMR and UV-vis spectroscopy, metal analysis, magnetic and conductance studies.  The composition complexes has been proposed on the basis of experimental and literature evidences. The antibacterial activity of the prepared complexes has also been investigated against the gram positive-Bacillus cereus and gram negative- Salmonella typhi and Escherichia coli pathogens.
Shortcut Approach to 1,4-Diazepine from 3-Pyridylnitrene Intermedietes under Mild Condition Ulfa, Siti Mariyah; Okamoto, Hideki; Satake, Kyosuke
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (493.978 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.188

Abstract

The reaction of nitropyridine derivatives and tributylphosphine (Bu3P) with the existence of nucleophilic solvent gives ring expansion product as diazepines in medium yield. Reaction mechanism subjected the formation of phenylnitrene, followed by intramolecular electrophilic insertion reaction to pyridine ring and subsequent ring enlargement. The intermediate in the reaction confirmed by computational calculation using B3LYP/6-31G* level. The intramolecular insertion reaction of pyridylnitrene is considered suppressed by the low HOMO (-9.932 eV) energy level of pyridine ring compared to that of benzene (-9.653 eV), hence 1,4-diazepine is obtained when employed 3-nitro-2,6-lutidine as starting material. The formation of diazepines was confirmed by the analysis of 1H NMR data. Separation of the product mixture using column chromatography on SiO2 was carried out and found to give expected diazepine along with the reduction product.
The Influence Water Extract of Black Soybean (Glycine max (L.) Merr.) on Reducing of Blood Glucose Level and The Superoxide Dismutase (SOD) Activity on Diabetes Mellitus Rats Induced With Multiple Low Dose of Streptozotocin (MLD-STZ) Gina, Luh Putu; Mahdi, Chanif; Aulanni’am, Aulanni’am
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.775 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.180

Abstract

Black soybean (Glycine max ( L. ) Merr.) is a tropical plant and spread widely in South East Asia including Indonesia. It contains anthocyanins and isoflavones which acts commonly as natural antioxidants. This paper discloses recent investigation on the benefits of its water extract on the oxidative stress in diabetes rat model exposed with multiple low dose of streptozotocin (MLD-STZ). It will also be reported the effect on increasing of the superoxide dismutase (SOD) activity and lowering of blood glucose levels. Groups of male Rattus novergicus strain Winstar was applied as animal model
Characterization Of Alkaloids From The Leaves Of Psychotria Malayana Jack Of Lombok Island On The Basis Of Gas Chromatography-Mass Spectroscopy Hadi, Surya; Rahmawati, Khairul Pahmi; Asnawati, Dina; Ersalena, Vera Fitriya; Azwari, Ahmadun
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 3 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (710.542 KB) | DOI: 10.21776/ub.jpacr.%y.03.03.176

Abstract

The genus Psychotria is well known as a source of alkaloids and has contributed several novel indole-type alkaloids with quite a broad spectrum of bioactivities. This study was focused on identifying the alkaloids from the leaves of P. malayana Jack from Lombok island on the basis of Gas Chromatography-Mass Spectroscopy (GC-MS) data and the sample preparation followed acid-base extraction. The study showed that the major alkaloid contained by the leaves was hodgkinsine and other minor compounds, namely calycanthine, chimonantine, 2-ethyl-6-methylpyrazine, and 3-methyl-1,2,3,4-tetrahydro-gamma-carboline. Bioactivities of the compounds were also discussed.

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