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The Journal of Pure and Applied Chemistry Research

jpacr
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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 306 Documents

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2,6-Bis(benzo[b]thiophen-2-yl)-3,7-dipentadecyltetrathienoacene (DBT-TTAR2) as an Alternative of Highly Soluble p-Type Organic Semiconductor for Organic Thin Film Transistor (OTFT) Application Mery B. Supriadi; Ming-Chou Chen; You-Shan Li
The Journal of Pure and Applied Chemistry Research Vol 2, No 1 (2013)
Publisher : Chemistry Department, The University of Brawijaya

A new compound of organic semiconductor based on tetrathienoacene (TTA) derivatives, DBT-TTAR2 was synthesized and characterized. The corporation of dibenzo[b,d]thiophene (DBT) group and alkyl substituent in both ends of TTA core have a significant effect on their π-π molecular conjugation length, energy gaps value and solubility properties. DBT-TTAR2 is fabricated as p-type organic semiconductor of organic thin film transistor (OTFT) by solution process at Industrial Technology Research Institute, Taiwan. A good optical, electrochemical, and thermal properties of DBT-TTAR2 showed that its exhibits a better performance as highly soluble p-type organic semiconductor.

Synthesis of Hematite Pigments (alpha-Fe2O3) by Thermal Transformations of FeOOH Lilik Miftahul Khoiroh; Diah Mardiana; Akhmad Sabarudin; Bambang Ismuyanto
The Journal of Pure and Applied Chemistry Research Vol 2, No 1 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Synthesis of iron oxide FeOOH from FeCl3, followed by thermal transformation to form red hematite was conducted. The effect of pH and temperature calcinations was studied. The pigment obtained was analyzed by XRD, color reader and scanning electron microscopy (SEM). The structure crystal of pigment at all variation of pH and calcinations temperature were hematite (a-Fe2O3) with good crystallization and relatively pure. The color of pigment obtained at pH variation were red with maximum value of L * a* at pH 6 while the mean grain size with minimum coefficient of variation was at pH 8 with mean grain size was 0.17 mm. The maximum of calcinations temperature was at 800oC for 3 hour. The resulting pigment was shaped like a spheres.

Study on iNOS expression and levels of Malondialdehyde in the White Rat (Rattus norvegicus) Exposed with Aggregatibacter actinomycetemcomitans Reviana Setin; Aulanni'am Aulanni'am; Chanif Mahdi
The Journal of Pure and Applied Chemistry Research Vol 2, No 2 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Aggregatibacter actinomycetemcomitant (Aa) is gram-negative bacteria composed of lipopolysaccharides (LPS) in its outer membrane. This bacteria is normally found in dental plaque and periodontal pockets causing parotid gland damage when it is present in excess amounts. LPS is an endotoxin and a complex glycolipid composed of polysaccharides (hydrophilic) and lipid A (hydrophobic) which can induces Reactive Oxygen Species (ROS), and increase the levels of malonaldialdehyde (MDA) and tissue damage. The aims of this research are to find the expression of iNOS parotid gland cell and to determine levels of MDA using thiobarbituric acid (TBA) spectrophotometric test at 533 nm. The results showed a significantly difference (P<0.05) of MDA levels in control rats (3.135 ± 0.0436 ppm) and Aa rats (6.307 ± 0.0473 ppm). iNOS expression is confirmed by the brown spots formed on the parotid gland, affording the enhancements of iNOS expression in Aa rats and control rats of 2.292 ± 0.038 and 0.166 ± 0.003, respectively (P<0.05). Keywords : Aggregatibacter actinomycetemcomitans, Reactive Oxygen Species, malondialdehyde, iNOS

Characterization of Polyclonal Antibody Induced by Autoantibody TPO (Thyroidperoxidase) From Autoimmune Thyroid Disease (AITD) Serum with ELISA and Western Blotting Maulidya Aulia Fiqriyana; Aulanni'am Aulanni'am; Anna Roosdiana
The Journal of Pure and Applied Chemistry Research Vol 2, No 1 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Autoantibody TPO is a potential marker for early detection of autoimmune thyroid disease (AITD). Autoantibody TPO has a specifity and a sensitivity ranging from 82% to100% in comparison to other AITD serology markers. Concentration of autoantibody TPO in sera had a positive correlation with activities of chronic AITD. This research have been conducted to investigate the characteristic of polyclonal antibody TPO induced by autoantibody TPO from serum of AITD patients. The autoantibody TPO was isolated from serum of AITD patients and its band proteins was confirmed using western blotting, acquiring molecular weight of 51.81 kDa. The protein was induced to a rabbit (Oryctolagus cuniculus) and recognized as an antigen. Serum of rabbit produced polyclonal antibody which was characterized using ELISA and Western blotting. The result showed that autoantibody TPO isolated from serum of AITD patients was immunogenic, which induced the polyclonal antibody anti-TPO (anti-anti-TPO). It was found that the highest polyclonal antibody was obtained on 3rd serum bleeding with the absorbance of 0.3225 and a molecular weight of 51.81 kDa, which is able to specifically recognize autoantibody TPO. Keywords : Autoimmune thyroiditis, Autoantibody TPO, TPO, polyclonal antibody, ELISA, Western blotting

Functionalization of Chitosan with 3,4,5-Trihydroxy Benzoic Acid Moiety for The Uptake of Chromium Species Akhmad Sabarudin; Shoji Motomizu
The Journal of Pure and Applied Chemistry Research Vol 2, No 1 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Chitosan-based chelating resin, the cross-linked chitosan functionalized with 3,4,5-trihydroxy benzoic acid moiety (CCTS-THBA resin), was newly synthesized and its adsorption behavior toward appropriate elements was investigated. At pH 5-9, the CCTS-THBA resin showed quantitative adsorption (87-91%) for Cr (VI), while only < 15% for Cr (III). The addition of cyclohexanediamine tetraacetic acid (CyDTA) to the samples resulted in a considerably increase of the adsorption of both chromium species. In this condition, Cr (III) is chelated with CyDTA to form anionic complexes at pH 3-5, which was then completely adsorbed on the resin by ion exchange mechanism. Similarly, the adsorption of Cr (VI) reached almost 100% in pH range of 3-6. The adsorption capacity of CCTS-THBA resin for Cr (VI) was 109 mg g-1.

Analysis Proton Conducting Electrolyte IT-SOFC Hybrid System Exhaust Gas With External Reforming of Biofuel Nizar Amir; I.N.G. Wardana
The Journal of Pure and Applied Chemistry Research Vol 2, No 2 (2013)
Publisher : Chemistry Department, The University of Brawijaya

In this analysis, a hybrid system containing proton SOFC (P-SOFC) combine with micro gas turbine (MGT) with biofuel external reforming is investigation to decrease the greenhouse gases problem facing in electrical power plant. The hybrid system consist of a proton solid oxide fuel cell stack, a micro gas turbine, a combustor, compressors, heat exchangers and external reformer. The main operating parameter such as, fuel utilization and steam - carbon ratio is determined in this analysis.

Effect of D-Alpha Tocopherol Therapy towards Malondialdehyde Level and Histology of Kidney in Rattus norvegicus with MLD-STZ Induction Marissa Agnestiansyah Mahardhian; Aulanni’am Aulanni'am; Chanif Mahdi
The Journal of Pure and Applied Chemistry Research Vol 2, No 2 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Diabetic Nephropathy is a kidney disease which occurs due to complication of diabetes mellitus as a consequence of the damage of the kidney endothelial cells. Hyperglicemia condition in patients with diabetes mellitus that induces an oxidative stress, were related to endothelial cell damage. Oxidative stress as a result of hyperglycemia will activate a number of signal transduction pathways resulting in increase of free radicals. D-alpha tocopherol as one of antioxidant substance, that can act as an inhibitor of free radical chain reactions, play an important role in the reduction of the oxidative stress effect. Effect of D-alpha-tocopherol in reducing oxidative stress is identified by the levels of malondialdehyde (MDA) in kidney and histology of kidney. This study used five groups mice; they were a control group, a diabetic group which was induced with MLD-STZ, and a therapeutic groups with a varieties doses of D-alpha tocopherol (100 mg/kgBW, 200 mg/kgBW and 300 mg/kgBW). The results showed that the D-alpha tocopherol was able to reduce the levels of malondialdehyde (MDA) and repair the histology of kidney of mice induced by MLD-STZ.

The Adsorption of Cr(VI) Using Chitosan-Alumina Adsorbent Darjito, Darjito; Purwonugroho, Danar; Ningsih, Rumiati
The Journal of Pure and Applied Chemistry Research Vol. 3 No. 2 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Chitosan as adsorbent has been used widely, however it was not effective yet for metal ions adsorption in industrial scale. In acidic condition, chitosanâ€™s active site tends to decrease. This drawback can was solved by coating of chitosan active site on alumina. This paper discloses to overcome that limitation. The charateristic of the active side was analysed by FTIR spectrometry toward vibration N-H group at 1679.15 cm-1, C=O group of oxalate at 1703.30 cm-1, and Al-O group of alumina at 924.07 cm-1. The adsorption capacity of the developed adsorbent was tester to adsorb Cr(VI) ions under various of pH value such as 1, 2, 3, 4, 5, 6, and 7. The contact time affect toward the adsorption was also reported in 20, 30, 40 50, 60, 70, and 80 minute. In addition, the concentration effects (100, 200, 300, 400, 500, and 600 ppm) was also studied. Chromium (VI) was measured using spectronic-20. Adsorption capacity was obtained at 66.90 mg/g under optimum conditions pH 2, and contact time 60 minute, respectively.

Effect of D-Alpha Tocopherol Therapy towards Malondialdehyde Level and Histology of Kidney in Rattus norvegicus with MLD-STZ Induction Agnestiansyah, Marissa; Mahdi, Chanif
The Journal of Pure and Applied Chemistry Research Vol 2, No 2 (2013)
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (34.207 KB)

ABSTRACT Diabetic Nephropathy is a kidney disease which occurs due to complication of diabetes mellitusÂ as a consequence of the damage of the kidney endothelial cells. Hyperglicemia condition in patients with diabetes mellitus that induces an oxidative stress, were related to endothelial cell damage. Oxidative stress as a result of hyperglycemia will activate a number of signal transduction pathways resulting in increase ofÂ free radicals. D-alpha tocopherol as one of antioxidant substance, that can act as an inhibitor of free radical chain reactions, play an important role in the reduction of the oxidative stress effect. Effect of D-alpha-tocopherol in reducing oxidative stress is identified by the levels of malondialdehyde (MDA) in kidney and histology of kidney. This study used five groups mice; they were a control group, a diabetic group which was induced with MLD-STZ, and a therapeutic groups with a varieties doses of D-alpha tocopherol (100 mg/kgBW, 200 mg/kgBW and 300 mg/kgBW). The results showed that the D-alpha tocopherol was able to reduce the levels of malondialdehyde (MDA) and repair the histology of kidney of mice induced by MLD-STZ. Â Keywords: Diabetic Nephropathy, Diabetes mellitus, MLD-STZ, Malondialdehyde, D-Alpha tocopherol Â

The Effect Of Juice Mangosteen Rind (Garcinia Mangostana L.) To Blood Sugar Levels And Histological Of Pancreatic Rats With The Induction Of Streptozotocin Maris Kurniawati; Chanif Mahdi; Aulanni'am Aulanni'am
The Journal of Pure and Applied Chemistry Research Vol 3, No 1 (2014)
Publisher : Chemistry Department, The University of Brawijaya

Diabetes Mellitus (DM) is a chronic metabolic disorder characterized by high blood sugar levels as a result of insufficiency of insulin function. Xanton a bioactive compound in the mangosteen rind is convinced to possess antidiabetic effects. There for, in this study effect of juice mangosteen rind (Garcinia mangostana L.) on blood sugar levels, and histological features of pancreatic rats with the induction of streptozotocin was investigated. This research using experimental rats species of Rattus norvegicus Wistar strain male. Rats were divided into 3 groups, the first group was the control without any treatments, group II was sick rat group, and group III was therapy rat group treated with juice mangosteen rind (a dose of 110 mg/kg body weight) by sonde for 2 consecutive weeks. Then,blood sugar levels of all rat groups were measured along with observation of their pancreatic histological. The results showed that the blood sugar level in therapy rat group (104.7 ± 10.9 mg/dL) is not significantly different with that of rat control group (108.5 ± 19.5 mg/dL), revealing effectiveness of therapy. Conservely, blood sugar level remained high in sick rat group (163.8 ± 16.2 mg/dL). Juice mangosteen rind can improve conditions of the pancreatic histology rat with the induction of streptozotocin.

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Masruri

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jpacr@ub.ac.id

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Departemen Kimia, Fakultas MIPA, Universitas Brawijaya, Jl. Veteran 65145 Malang

Location
Kota malang,

Jawa timur

INDONESIA

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Masruri

Contact Email masruri@ub.ac.id

Phone +62341-575838

Journal Mail Official jpacr@ub.ac.id

Editorial Address Departemen Kimia, Fakultas MIPA, Universitas Brawijaya, Jl. Veteran 65145 Malang

Location Kota malang, Jawa timur INDONESIA

Abstract

Abstract

Abstract

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Abstract

Abstract

Abstract

Contact Name
Masruri

Contact Email
masruri@ub.ac.id

Phone
+62341-575838

Journal Mail Official
jpacr@ub.ac.id

Editorial Address
Departemen Kimia, Fakultas MIPA, Universitas Brawijaya, Jl. Veteran 65145 Malang

Location
Kota malang,

Jawa timur

INDONESIA