Archive Issue

HEAVY METALS IN HONEY PRODUCED IN SOME LOCALITIES IN KOSOVO
M. Fadil, D. Krasniqi and M. Ahmet

Rasayan J. Chem, 13 (4), 2036 - 2044 (2020)

Keywords: Honey, Heavy Metals, Locality, Mitrovicë, Acacia.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345811

ANALYSIS METHOD OF ANTI-CANCER DRUG SEMUSTINE FOR CHEMOTHERAPY BY CYCLIC VOLTAMMETRY
Deswati, Hamzar Suyani, Rahmiana Zein, Hilfi Pardi, Buchari and Henry Setiyanto

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Rasayan J. Chem, 13 (4), 2045 - 2051 (2020)

Keywords: Semustine, Anti-cancer Drug, Cyclic Voltammetry.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345845

ACUTE TOXICITY OF TEBUCONAZOLE 80%WP IN FRESHWATER FISH (Oncorhynchus Mykiss) FOLLOWED BY METHOD VALIDATION INCLUDING STABILITY AND DOSE VERIFICATION
T. B. Patrudu, T. Nageswara Rao and K. Raghu Babu

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Rasayan J. Chem, 13 (4), 2052 - 2061 (2020)

Keywords: Tebuconazole, Oncorhynchus mykiss, Acute Toxicity, HPLC, LC50.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345885

CHITOSAN-STARCH FORWARD OSMOSIS MEMBRANE FOR DESALINATION OF BRACKISH WATER
Saiful, Zuliana Rahmah, Maurisa Ajrina, Marlina and Rahmi

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Rasayan J. Chem, 13 (4), 2062 - 2073 (2020)

Keywords: Forward Osmosis Membrane, Brackish Water Desalination, Cross-link, Chitosan, Starch Sucrose

DOI: http://dx.doi.org/10.31788/RJC.2020.1345664

ISOLATION OF LIPOLYTIC BACTERIA FROM DOMESTIC WASTE COMPOST AND ITS APPLICATION TO BIODIESEL PRODUCTION
Purkan Purkan, Indah Tri Lestari, Rizky Arissirajudin, Retno Rahayu Puspita Ningsih , Wiwin Apriyani, Hamidah Nurlaila, Sri Sumarsih, Sofijan Had, Wiwin Retnowati and Seung Wook Kim

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Rasayan J. Chem, 13 (4), 2074 - 2084 (2020)

Keywords: Lipolytic Bacteria, Lipase, Biodiesel, 16srRNA.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345697

SYNTHESIS OF EFFECTIVE ENVIRONMENTALLY FRIENDLY ADDITIVES FOR AUTOMOTIVE FUELS
L.R. Sassykova, K.A. Kadirbekov, N.K. Zhakirova, A.S. Zhumakanova, S. Sendilvelan, T. S. Abildin, A.A. Batyrbayeva, R. N. Azhigulova, O.I. Ponomarenko and R.G. Ryskaliyeva

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Rasayan J. Chem, 13 (4), 2085 - 2091 (2020)

Keywords: Automotive Fuels, Additives, Octane Number, Shankanai Natural Zeolite, Heteropoly Compounds.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345852

ELECTROCHEMICAL IMPEDANCE, CYCLIC VOLTAMMETRY, AND CORROSIVE BEHAVIOR IN TiO2 NANOSTRUCTURES
J. Bautista-Ruiz, W. Aperador and M.R. Joya

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Rasayan J. Chem, 13 (4), 2092 - 2098 (2020)

Keywords: TiO2, Cyclic Voltammetry, EIS, Current.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345854

PAINTING MATERIALS PRODUCTION ON THE BASIS OF PETROLEUM BITUMEN
Kulash K. Syrmanova, Aktolkyn B. Agabekova, Zhanat B. Kaldybekova, Anastassiya Y. Kovaleva and YersultanT. Botashev

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Rasayan J. Chem, 13 (4), 2099 - 2105 (2020)

Keywords: Oil Bitumen, Paint Materials, Viscosity, Water Absorption, Swelling, Strength, Adhesion.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345897

ISOTHERMS AND CAPACITY ADSORPTION OF Fe(III) ONTO DUCK FEATHER MODIFICATION USING CH3OH AND HCl SOLUTION
U. B. L. Utami, B. Cahyono and H. Susanto

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Rasayan J. Chem, 13 (4), 2106 - 2113 (2020)

Keywords: Adsorption, Fe(III), Isotherm, Duck Feather

DOI: http://dx.doi.org/10.31788/RJC.2020.1345508

HYBRID POLY (O-TOLUIDINE)/MWCNT/COPPER OXIDE NANO COMPOSITE ELECTRODE FOR ELECTROCHEMICAL SUPERCAPACITOR
Kamal Kant Singh, Ashok K. Sharma, Indu Kaushal, Priya Saharan and Vinit Kumar

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Rasayan J. Chem, 13 (4), 2114 - 2122 (2020)

Keywords: O-toluidine, Carbon Nanotubes, Supercapacitor, Voltammetry, Charge-discharge, Impedance

DOI: http://dx.doi.org/10.31788/RJC.2020.1345737

IMPACT OF MOLECULAR INTERACTIONS ON BINARY SOLUTIONS OF 2-PROPANOL WITH METHOXY ANILINE ISOMERS AT DIFFERENT TEMPERATURES
G. V. Gangadhara Rao, S. Suriya Shihab, D. Das and Shaik. Babu

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Rasayan J. Chem, 13 (4), 2123 - 2132 (2020)

Keywords: Redlich-Kister Functions, Reduced Redlich-Kister Functions, Partial Molar Volumes, Belda Equations and FTIR Spectroscopy.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345825

NEW PERIPHERALLY TETRA 1-AMINO-2-NAPHTHOL-4- SULFONICACID SUBSTITUTED COBALT PHTHALOCYANINE: SYNTHESIS, CHARACTERIZATION AND ELECTRO CATALYTIC STUDIES ON THE OXIDATION OF O-AMINOPHENOL
T. M. Sharanakumar, Mounesh, N. Y. Praveen Kumar, K. R. Venugopala Reddy and Suresh

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Rasayan J. Chem, 13 (4), 2133 - 2142 (2020)

Keywords: O-amino Phenol, CVs, DPV, Chrono amperometry.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345876

EFFECT OF ADDITIVES ON STRUCTURE AND PROPERTIES OF ELECTRODEPOSITED NANOCRYSTALLINE COPPER
S. Ramalingam

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Rasayan J. Chem, 13 (4), 2143 - 2149 (2020)

Keywords: Electrodeposition, Nanocrystalline Copper, Additives, Gelatine, Thiourea, Microhardness.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345893

ORGANOCHLORINE PESTICIDES ASSESSMENT IN SEDIMENT SAMPLES FROM VAAL RIVER BY ACCELERATED SOLVENT EXTRACTION TECHNIQUE
Mokete J. Phele, Ikechukwu P. Ejidike and Fanyana M. Mtunzi

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Rasayan J. Chem, 13 (4), 2150 - 2160 (2020)

Keywords: Organochlorine Pesticides, Vaal River, Accelerated Solvent Extraction, Soxhlet Extraction, Environment, Sediment

DOI: http://dx.doi.org/10.31788/RJC.2020.1345905

STUDIES ON NITRATE REMOVAL FROM WASTEWATER USING NANO ZINC PEROXIDE AS ADSORBENT
M. Nagapadma

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Rasayan J. Chem, 13 (4), 2161 - 2166 (2020)

Keywords: Zinc peroxide Nanoadsorbent, Nitrate, Oxidation-hydrolysis-precipitation, Precipitation Method, Adsorption Isotherm, Adsorption Studies.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345450

OPTIMIZATION OF HIGH-TEMPERATURE BIOETHANOL PRODUCTION FROM PINEAPPLE PEEL HYDROLYSATE USING RESPONSE SURFACE METHODOLOGY
H.X. Phong, N.N. Thanh, B.H.D. Long and P. Thanonkeo

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Rasayan J. Chem, 13 (4), 2167 - 2172 (2020)

Keywords: Bioethanol, Central Composite Design, Pineapple Peels, Plackett-Burman Design, Response Surface Methodology, Saccharomyces cerevisiae.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345923

REGULARITIES OF INTERACTION OF CALCIUM CHLORIDE OF DISTILLER LIQUID WITH NATURAL SODIUM SULFATE
A. A. Anarbayev, G. M. Ormanova, B. N. Kabylbekova, N. A. Vysotskaya and B. Kh. Kucharov

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Rasayan J. Chem, 13 (4), 2173 - 2180 (2020)

Keywords: Production of Soda Ash, Distiller's Liquid, Sodium Sulfate, Waste Processing

DOI: http://dx.doi.org/10.31788/RJC.2020.1345888

FABRICATION OF CHITOSAN/NATURAL ZEOLITE COMPOSITE-BASED POLYMER ELECTROLYTE MEMBRANES
Y.A. Sihombing, Susilawati, S.U. Rahayu and A. Siahaan

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Rasayan J. Chem, 13 (4), 2181 - 2187 (2020)

Keywords: Chitosan, Natural Zeolite, Polymer Electrolyte Membranes, Solution Casting Method, Fuel Cell

DOI: http://dx.doi.org/10.31788/RJC.2020.1345906

NANOCRYSTALLINE COPPER OXIDE HIGHLY DISPERSED ON MESOPOROUS ALUMINA BY INCIPIENT WETNESS IMPREGNATION METHOD: SYNTHESIS AND CHARACTERIZATION
M. Arul Jayan , S.S. Dawn and G.G. Vinoth Kumar

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Rasayan J. Chem, 13 (4), 2188 - 2192 (2020)

Keywords: Mesoporous Materials, Wet Impregnation Method, X-ray Techniques, Catalyst, Thermal Analysis.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345903

MECHANICAL AND THERMAL PROPERTIES OF STRAINED METAL NANOPARTICLES PREPARED BY BALL MILLING METHOD
Purushotham Endla

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Rasayan J. Chem, 13 (4), 2193 - 2199 (2020)

Keywords: X-ray Diffraction, SEM, Lattice Strain, Crystallite Size, Debye-Waller Factor, Vacancy Formation Energy.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345788

L-CYSTEINE HYDROCHLORIDE AS A COMPLEXING AGENT FOR THE DETERMINATION OF COBALT(II) BY SPECTROPHOTOMETRIC METHOD
Ashwini, Gopalakrishna Bhat N. and Ronald A. Nazareth

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Rasayan J. Chem, 13 (4), 2200 - 2206 (2020)

Keywords: Spectrophotometry, L-Cysteine Hydrochloride, Cobalt(II), Job's method, Mole ratio method

DOI: http://dx.doi.org/10.31788/RJC.2020.1345806

A NOVEL VALIDATION OF THE LEVOFLOXACIN DETERMINATION METHOD IN URINE (IN VITRO) USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHYUV/VIS DETECTOR
I. Sopyan, D. Dwiputri and Muchtaridi Muchtaridi

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Rasayan J. Chem, 13 (4), 2207 - 2214 (2020)

Keywords: Validation, Levofloxacin, Urine, HPLC, UV-Vis.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346045

EVALUATION OF ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF XANTHONE ISOLATED FROM Orophea corymbosa LEAF
H. P. C. A. Cane, N. Saidi, M. Mustanir, D. Darusman, R. Idroes and M. Musman

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Rasayan J. Chem, 13 (4), 2215 - 2222 (2020)

Keywords: Annonaceae, Antibacterial, Antioxidant, Escherichia coli, Staphylococcus aureus, Xanthone.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345818

STRUCTURAL AND PHASE ANALYSIS OF PURE AND METAL ION DOPED Mn2O3 NANOPARTICLES PREPARED BY MICROWAVE ASSISTED SOL-GEL METHOD
L. Jayaselvan, S. Thanka Rajan and C. Gnana Sambandam

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Rasayan J. Chem, 13 (4), 2223 - 2229 (2020)

Keywords: Mn2O3, Nanoparticle, XRD, SEM, EDAX.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346083

ADSORPTIVE REMOVAL OF LEAD IONS FROM WASTEWATER USING SORBENTS DERIVED FROM Cedrusdeodara PLANT AND IT'S COMPOSITE WITH Ca-ALGINATE BEADS
Gullapalli Sreelatha, Polavarapu Srineetha, Malireddy Venkata Sai Mohan Reddy and K. Ravindhranath

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Rasayan J. Chem, 13 (4), 2230 - 2242 (2020)

Keywords: Pb2+ removal, Adsorbents, Cedrusdeodara stems, Ca-alginate beads, Applications.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345997

ANALYSIS OF TANNIN IN SAPODILLA FRUIT (Manilkara zapota (L) VAN ROYEN)
Baharuddin Hamzah, Sitti Rahmawati, Wayan Samuel Suwena ,Muhammad Fakhrul Hardani and Ririen Hardani

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Rasayan J. Chem, 13 (4), 2243 - 2248 (2020)

Keywords: Sapodilla Fruit (Manilkara zapota (L) Van Royen), Maceration, Analysis, Tannin.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345753

DETERMINATION OF BIOLOGICAL ACTIVITY, ANTIOXIDANT ACTIVITY AND SYNTHESIS OF TRIAZOLOPYRIMIDINES
V. P. Gilava, P. K. Patel, H. K. Ram and J. H. Chauhan

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Rasayan J. Chem, 13 (4), 2249 - 2255 (2020)

Keywords: 4-(benzyloxy)-3-methoxybenzaldehyde, N-(substitutedphenyl)-3-oxobutanamide, 2H-1,2,4-triazol-3-amine and N,N’-Dimethylformamide.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346072

IMPROVISED AND VALIDATED OF TWO SPECTROPHOTOMETRY METHOD FOR PARALEL ASSAY OF GUAIPHENESIN, ACETAMINOPHEN AND CTM COMBINE IN SYRUP
Muchlisyam Bachri, Masfria and Yade metri Permata

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Rasayan J. Chem, 13 (4), 2256 - 2265 (2020)

Keywords: Absorption of Ratio Methods, Mean Centralization of Ratio Spectrum, Validation

DOI: http://dx.doi.org/10.31788/RJC.2020.1345790

SURFACE MODIFIED MAGNETITE NANOPARTICLES: AN EFFECTIVE TOOL FOR THE SEPARATION OF TOXIC METAL IONS AND ORGANIC CONTAMINANTS FROM WASTEWATER
A. Jangra, J. Singh, K. Rani, J. Kumar, P. Kumar and R. Kumar

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Rasayan J. Chem, 13 (4), 2266 - 2273 (2020)

Keywords: Heavy Metals, Magnetite Nanoparticles, Surface Modification, Wastewater.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346081

DEGRADATION OF CIPROFLOXACIN USING FENTON PROCESS AND ITS EFFECT ON BIODEGRADABILITY
V. K. Jyothirmai, S. Mary Rebekah Sharmila and Sija Arun

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Rasayan J. Chem, 13 (4), 2274 - 2280 (2020)

Keywords: Ciprofloxacin, Fenton Process, Biodegradability, Degradation

DOI: http://dx.doi.org/10.31788/RJC.2020.1346074

ISOLATION AND CHARACTERIZATION OF PHYTOCONSTITUENTS FROM STEM OF Elytranthe parasitica(L.) Danser
N. Kumar, R. Lobo and J.E. Mathew

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Rasayan J. Chem, 13 (4), 2281 - 2289 (2020)

Keywords: Elytranthe, Isolation, Gel Permeation, NMR, Sephadex LH-20, Silica

DOI: http://dx.doi.org/10.31788/RJC.2020.1346062

SYNTHESIS AND DISTRIBUTIONS OF Mn4+ IONS IN NONMAGNETIC SiO2
Venkateswararao Jillepalli, Boyapati Veeranjaneyulu and G. Subrahmanya Sastry

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Rasayan J. Chem, 13 (4), 2290 - 2293 (2020)

Keywords: Mn4+ Spins, Hysteresis, Electron Paramagnetic Resonance, Ferromagnetic, SiO2.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345924

SYNTHESIS, CRYSTAL STRUCTURE AND THERMAL STUDIES OF TRIPHENYLSILANOL-PIPERAZINE ADDUCT
M. Dinesh, V. Kavitha, G. Prabusankar , B. Babu, B. Mohanbabu, G. Donghui and P.Maadeswaran

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Rasayan J. Chem, 13 (4), 2294 - 2301 (2020)

Keywords: Organosilicon, Triphenylsilanol, Piperazine, Hydrogen bond, Co-crystal, Crystal Structure.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345643

EQUILIBRIUM STUDIES IN ADSORPTION OF HEAVY METALS USING MODIFIED GRANULAR ACTIVATED CARBON
Y. K. Meshram, R. U. Khope and P. P. Chahande

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Rasayan J. Chem, 13 (4), 2302 - 2307 (2020)

Keywords: GAC, Filtrasorb, F-100, F-300 Manganese ion, Heavy metals, Isotherm, 3-Aminobenzoic acid

DOI: http://dx.doi.org/10.31788/RJC.2020.1345752

IDENTIFICATION OF ALLELOCHEMICAL COMPOUNDS FROM EACH PART OF Tetracera indica (L.) MERR
D. Guntoro, D.W. Rokhmaningsih and F.I. Nuryana

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Rasayan J. Chem, 13 (4), 2308 - 2312 (2020)

Keywords: Allelopathy, Bioherbicide, Extract, GC-MS, Tetracera indica.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345763

POTENTIAL BIOACTIVITIES OF ETHANOL, ETHYL ACETATE AND n-HEXANE EXTRACTS FROM PAGODA LEAVES (Clerodendrum paniculatum L.)
Dewi Pertiwi , Ihsanul Hafizand Leny

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Rasayan J. Chem, 13 (4), 2313 - 2316 (2020)

Keywords: Brine Shrimp Lethality Test, Clerodendrum paniculatum L., Potential Bioactivities

DOI: http://dx.doi.org/10.31788/RJC.2020.1345791

SYNTHESIS OF SPIROOXINDOLE-PYRROLIZIDINE COMPOUNDS USING Fe3O4-GO CATALYST AND THEIR BIOACTIVITY ASSAYS
Mutiara Hapsari, Antonius Herry Cahyana, Syntia H. Oktavia and Agus Rimus Liandi

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Rasayan J. Chem, 13 (4), 2317 - 2324 (2020)

Keywords: Spiro-oxindole, Pyrrolizidine, 1,3-dipolar-cycloaddition, Fe3O4, Graphene Oxide.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345583

ADSORPTION AND CHARACTERIZATION OF Pb(II) ION ONTO POROGEN ADSORBENT MEMBRANE (CC-Pec-BADGENa): KINETIC, EQUILIBRIUM AND THERMODYNAMIC STUDIES
B. Hastuti, D. Siswanta, Mudasir and Triyono

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Rasayan J. Chem, 13 (4), 2325 - 2331 (2020)

Keywords: Porogen, Pb(II), Pectin, Carboxymethyl Chitosan(CC), CC-Pec-BADGA-Na

DOI: http://dx.doi.org/10.31788/RJC.2020.1344091

KINETICS OF SULFUR DIOXIDE ADSORPTION ON MODIFIED ACTIVATED COAL PRODUCED FROM PEACH SHELLS
Aizhan Mamyrbekova, A.D. Mamitova, M.K. Kassymova, Aigul Mamyrbekova, Zh.E. Daribayev , R.E. Pralieva , M.N. Yermakhanov and G.S. Mutasheva

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Rasayan J. Chem, 13 (4), 2332 - 2339 (2020)

Keywords: Adsorption, Sulfur Dioxide, Adsorbent, Gas Purification, Modified Activated Coal, Peach Shell

DOI: http://dx.doi.org/10.31788/RJC.2020.1345761

SYNTHESIS AND CHARACTERIZATION OF Fe3O4 NANOPARTICLES FROM IRON SAND WITH SONOCHEMICAL METHOD
F. Hidayanto, H. Sutanto, P. Priyono, E. Hidayanto , A.A. Wibowo and P. Triadyaksa

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Rasayan J. Chem, 13 (4), 2340 - 2345 (2020)

Keywords: Fe3O4 Nanoparticles, Iron Sand, Sonochemical, Superparamagnetic, Vibrating Sample Magnetometer.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345871

FORMULATION OF THE SERUM GEL CONTAINING GREEN COFFEE BEAN (Coffea robusta L) EXTRACT AS AN ANTIOXIDANT AND TYROSINASE ENZYME INHIBITOR
D. L. Aulifa, M. Caroline, D. Tristiyanti and A. Budiman

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Rasayan J. Chem, 13 (4), 2346 - 2351 (2020)

Keywords: Coffea robusta L, Serum Gel Dosage Form, Antioxidant, Tyrosinase Enzyme

DOI: http://dx.doi.org/10.31788/RJC.2020.1345866

SYNTHESIS OF 1,1,2-TRISUBSTITUTED CYCLOPROPANE RING THROUGH CARBON-CARBON BOND NUCLEOPHILEINTERCEPTED BECKMANN FRAGMENTATION REACTION
Nandkishor Chandan

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Rasayan J. Chem, 13 (4), 2352 - 2360 (2020)

Keywords: Oxime, Oxime Ether, Tosyloxime, Cyclopropane, Beckmann Fragmentation etc.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345745

APPLICATION OF CHEMOMETRIC METHODS FOR THE DETERMINATION OF CIPROFLOXACIN HYDROCHLORIDE AND PHENAZOPYRIDINE HYDROCHLORIDE IN THEIR PHARMACEUTICAL DOSAGE FORM
M.M. Patel , U.H. Shah, K. Goswami, S. Bhavsar and S.G. Patel

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Rasayan J. Chem, 13 (4), 2361 - 2369 (2020)

Keywords: Ciprofloxacin Hydrochloride (CIP), Phenazopyridine Hydrochloride (PHE), Chemometrics, UV Spectrophotometric.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345941

CATALYTIC CRACKING OF VACUUM DISTILLATES ON COMPOSITE CATALYSTS
R. Kh. Ibrasheva , V.S.Yemelyanova , L.R. Sassykova, U. N. Dzhatkambayeva , T.V. Shakiyeva , B.T. Dossumova , N.K. Zhakirova, S.Sendilvelan and T. M. Seilkhanov

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Rasayan J. Chem, 13 (4), 2370 - 2375 (2020)

Keywords: Catalytic Cracking, Vacuum Distillates, Natural Taizhuzgen Zeolite, Narynkol Clay, Atyrau Oil, Zhetybay Oil.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345948

OPTIMIZATION OF EXPERIMENTAL FACTORS FOR HEXAVALENT CHROMIUM REMOVAL BY DEAD BIOMASS OF WATER HYACINTH
Sunil Kumar and Rajesh Dhankhar

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Rasayan J. Chem, 13 (4), 2376 - 2384 (2020)

Keywords: Water Hyacinth, Adsorbent, Chromium (VI), Dead Biomass, Wastewater.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345949

IDENTIFICATION OF SECONDARY METABOLITES AND ANTIDIARRHEAL ACTIVITY OF PIRDOT LEAVES ETHANOL EXTRACT (Saurauia vulcani Korth.) FROM WEST PAKPAK, NORTH SUMATERA PROVINCE, INDONESIA
K. Gurning, R. Boangmanalu, H.A.Simanjuntak , N. Singarimbun, R. Rahmiati and W. Lestari

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Rasayan J. Chem, 13 (4), 2385 - 2389 (2020)

Keywords: Pirdot Leaves, Oleum ricini, Loperamide, and Antidiarrheal

DOI: http://dx.doi.org/10.31788/RJC.2020.1345984

SEASONAL VARIATION OF TRACE AND HEAVY METALS IN VEGETABLE PLANTS AROUND TUMMALAPALLE URANIUM MINING SITE
S. Kulavardhana Reddy, C. Sivanandha Reddy and Gopireddy Venkata Subba Reddy

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Rasayan J. Chem, 13 (4), 2390 - 2400 (2020)

Keywords: Environmental Quality, Vegetable Plants, Trace and Heavy Metals, ICP-OES, Accumulation, Pre and Post-monsoon Seasons.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345869

PALM SLUDGE OIL AS RAW MATERIAL OF BIODIESEL SYNTHESIS THROUGH ELECTROLYSIS PROCESS USED Ag ELECTRODE
D. Irawan, Z. Arifin, M. Gery and M.A. Fithia

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Rasayan J. Chem, 13 (4), 2401 - 2404 (2020)

Keywords: Biodiesel, Electrolysis, PSO, Electrode, Ag.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346005

NOVEL SYNTHESIS OF 4E,10E-4-(2-PHENYLDIAZENYL)-N- ((1H-INDOLE-3-YL)METHYLENE)BENZENAMINE AND ITS APPLICATION FLUORESCENT CHEMOSENSOR FOR Ag+ ION, CYTOTOXICITY ACTIVITY AND DFT STUDIES
E. Dhineshkumar , M. Iyappan and C. Anbuselvan

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Rasayan J. Chem, 13 (4), 2405 - 2412 (2020)

Keywords: Schiff Base, Fluorescence, Ag+ Ion, PET Mechanism, Cytotoxicity, DFT Calculation.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346041

ADSORPTION OF AMMONIA AND METHYLENE BLUE USING COMBINATION OF COST-EFFECTIVE COCONUT HUSK ACTIVATED CARBON AND SILICA (SiO2) AS AN ADSORBENT
Mariana, F. Mulana, D. N. Pratama and S. Muchtar

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Rasayan J. Chem, 13 (4), 2413 - 2419 (2020)

Keywords: Silica, Coconut Husk, Activated Carbon, Adsorbent, Ammonia, Methylene Blue

DOI: http://dx.doi.org/10.31788/RJC.2020.1346006

REVIEW OF THE PROCESSING OF MINERALS AND TECHNOGENIC SULFIDE RAW MATERIAL WITH THE EXTRACTION OF METALS AND RECOVERING ELEMENTAL SULFUR BY ELECTROCHEMICAL METHODS
A. S. Kolesnikov, V.N. Naraev, M.I. Natorhin , A.A. Saipov and O.G. Kolesnikova

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Rasayan J. Chem, 13 (4), 2420 - 2428 (2020)

Keywords: Electrochemistry, Processing, Extraction, Metal sulfides, Sulfur

DOI: http://dx.doi.org/10.31788/RJC.2020.1346102

PHOSPHORYLATED NATA DE PINA AS POLYMER ELECTROLYTE MEMBRANE IN FUEL CELLS
Purnama Ningsih, Wahyuni Wulandari, Sitti Rahmawati and Anang Wahid Muhammad Diah

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Rasayan J. Chem, 13 (4), 2429 - 2437 (2020)

Keywords: Fuel Cells, nata de pina, Phosphorylated, Polymer Electrolyte Membranes.

DOI: http://dx.doi.org/10.31788/RJC.2020.1346059

NICKEL-CATALYZED SUZUKI–MIYAURA CROSSCOUPLING REACTIONS: ONE-POT SYNTHESIS OF 2- ARYLTHIOPHENES
Thalishetti Krishna,Thatikonda Narendar Reddy, Eppakayala Laxminarayana and Dipak Kalita

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Rasayan J. Chem, 13 (4), 2438 - 2444 (2020)

Keywords: Deep Eutectic Solvents, Cross-coupling, Nickel, Boron, Green Process.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345989

SYNTHESIS OF BREAD FRUIT (Artocarpus communis)-BASED HYDROXYPROPYL STARCH THROUGH ETHERIFICATION USING PROPYLENE OXIDE
Cut Fatimah Zuhra, Mimpin Ginting, Wilza Fithri Azzahra and Rini Hardiyanti

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Rasayan J. Chem, 13 (4), 2445 - 2454 (2020)

Keywords: Hydroxypropyl Starch, Bread Fruit (Artocarpus altilis) Starch, Propylene Oxide

DOI: http://dx.doi.org/10.31788/RJC.2020.1345981

MAIN FATTY ACIDS, PHENOLIC COMPOUNDS, AND EVALUATION OF GASTROPROTECTIVE EFFECT OF MALBEC GRAPE SEEDS, A WINE INDUSTRY BY-PRODUCT
Miki Gonzales-Uscamayta, Juana E. Chávez-Flores, Henry ObregónTinoco , Fiorella P. Cardenas-Toro, Mario J. Simirgiotis, Jorge Borquez and Juana Robles-Caycho

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Rasayan J. Chem, 13 (4), 2455 - 2465 (2020)

Keywords: Grape Seeds, Fatty Acids, Phenolic Compounds, UHPLC-Q/Orbitrap/MS/MS, Gastroprotective Effect

DOI: http://dx.doi.org/10.31788/RJC.2020.1345955

5-SULFOSALICYLIC ACID (5-SSA): AN EFFICIENT ORGANOCATALYST FOR THE SYNTHESIS OF 4-METHYLCOUMARINS VIA PECHMANN CONDENSATION
C. D. Bhenki, S. S. Karhale, K. N. Patil and V. B. Helavi

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Rasayan J. Chem, 13 (4), 2466 - 2473 (2020)

Keywords: Coumarin, Metal-free Environment, Microwave Irradiation, Organocatalyst, Green Chemistry etc

DOI: http://dx.doi.org/10.31788/RJC.2020.1345950

INVESTIGATION OF POLYPHENOLIC COMPOUNDS OF ?hamaenerion latifolium (L.) PLANT
Akmaral Kozhantayeva, Sluken Rakhmadiyeva, Ozek Gulmira

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Rasayan J. Chem, 13 (4), 2474 - 2482 (2020)

Keywords: Cham?enerion latifolium, Polyphenolic Compounds, Flavonoids, Tannins, Paper Chromatography.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345919

CHARACTERISTIC OF GREEN SYNTHESIZED Ag NANOPARTICLE USING EXTRACT AND ESSENTIAL OIL OF Illicium verum HOOK. F. AS ANTIBACTERIAL
Rizki Damayanti, Tamrin, Zul Alfian and Eddiyanto

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Rasayan J. Chem, 13 (4), 2483 - 2489 (2020)

Keywords: Illicium verum, Ag Nanopaticles, Antibacterial, AgNPsE, AgNPsMA.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345792

WATER REMEDIATION OF CHROMIUM (VI) BASED ON SULPHURIC ACID GENERATED BIO-CHAR FROM STEMS OF Averrhoa carambola PLANT AS ADSORBENT
Malireddy Venkata Sai Mohan Reddy, Gullapalli Sreelatha, Doddi Kishore Babu, Wondwosen Kebede Biftu and Kunta Ravindhranath

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Rasayan J. Chem, 13 (4), 2490 - 2497 (2020)

Keywords: Averrhoa carambola, Adsorbent, Cr(VI), Applications.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345908

HEAVY METAL CONTAMINATIONS AND HEALTH RISK ASSESSMENT FROM FRUITS AND VEGETABLES IN BANGALORE RURAL MARKETS, KARNATAKA, INDIA
L. Shivakumar, K. Ramakrishna Reddy and B.M.Kalshetty

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Rasayan J. Chem, 13 (4), 2498 - 2507 (2020)

Keywords: Heavy Metals, Vegetables, Metal Pollution Index, Hazards Quotient and ICP-MS

DOI: http://dx.doi.org/10.31788/RJC.2020.1346039

ANTIHYPERGLYCEMIC ACTIVITIES ETHANOL EXTRACT OF Musa paradisiaca L STEMS AND DETERMINATION OF ITS ACTIVE COMPONENTS USING GC-MS
Mayang Sari, Tamrin, Jamaran Kaban and Zul Alfian

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Rasayan J. Chem, 13 (4), 2508 - 2514 (2020)

Keywords: Musa.Paradisiaca L, GC-MS, Anti-hyperglycemic, Terpenoids, Saponin, Stigmasterol, Steroids

DOI: http://dx.doi.org/10.31788/RJC.2020.1345802

A CORRELATION STUDY OF GROSS CALORIFIC VALUE WITH PARAMETERS OF PROXIMATE ANALYSIS OF COAL
H. Akbar, Sumath Kumar Laha and Rakesh Saini

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Rasayan J. Chem, 13 (4), 2515 - 2522 (2020)

Keywords: Moisture, Ash, Volatile Matter, Fixed carbon, Gross Calorific Value

DOI: http://dx.doi.org/10.31788/RJC.2020.1345842

SOLID-PHASE EXTRACTION OF AMOXICILLIN IN AQUEOUS SYSTEM BY USING Mg-Al-OXALATE LDH AS A STATIONARY PHASE
Dian W. Dwiasi, Mudasir Mudasir and Roto Roto

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Rasayan J. Chem, 13 (4), 2523 - 2529 (2020)

Keywords: Solid-phase Extraction, LDH, Amoxicillin, Adsorption, Ion Exchange

DOI: http://dx.doi.org/10.31788/RJC.2020.1345970

CHITOSAN-ZINC OXIDE NANOPARTICLE BASED HIGHLY SENSITIVE ELECTROCHEMICAL SENSOR FOR FORMALDEHYDE DETECTION
Saisa, H. Agusnar, Z. Alfian and I. Nainggolan

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Rasayan J. Chem, 13 (4), 2530 - 2537 (2020)

Keywords: Chitosan NPs, Zinc Oxide NPs, Cyclic Voltammetry, Sensors, Formaldehyde

DOI: http://dx.doi.org/10.31788/RJC.2020.1345786

PHYSICO-CHEMICAL AND BIOLOGICAL STUDIES ON THE COORDINATION COMPOUNDS OF N-(2- CARBAMOYLFURANYL)-C-(3'-CARBOXY-2'- HYDROXYPHENYL) AZETIDIN-2-ONE
Praveen Kr. Gupta, Dinesh Kumar, Amit Kumar and Durga Dass

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Rasayan J. Chem, 13 (4), 2538 - 2543 (2020)

Keywords: Azetidin-2-One, Coordination Compounds, Magnetic Susceptibility, Antibacterial, Complexometric, Magnetically Dilute.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345695

SYNTHESIS AND ANTI-BREAST CANCER ACTIVITIES OF ALPHA MANGOSTIN DERIVATIVES: A REVIEW
Muhammad Fauzi and Muchtaridi Muchtaridi

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Rasayan J. Chem, 13 (4), 2544 - 2551 (2020)

Keywords: Alpha Mangostin, Synthesis, Anti-breast Cancer, Drugs Development.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345769

ISOLATION AND CHARACTERIZATION OF STIGMASTEROL AND ?-SITOSTEROL FROM WOOD BARK EXTRACT OF Baccaurea macrocarpa Miq. Mull. Arg
Erwin, W.R. Pusparohmana, R.D. Safitry, E. Marliana, Usman and I.W. Kusuma

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Rasayan J. Chem, 13 (4), 2552 - 2558 (2020)

Keywords: Baccaurea macrocarpa, Toxicity, Characterization, Antioxidants, Stigmasterol, ?-sitosterol

DOI: http://dx.doi.org/10.31788/RJC.2020.1345652

MOLECULAR MODELING, SYNTHESIS, AND QSAR OF 5-O-ACYLPINOSTROBIN DERIVATIVES AS PROMISING ANALGESIC AGENT
Siswandono, Retno Widyowati, Andi Suryadi, Tri Widiandani and Deka Prismawan4

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Rasayan J. Chem, 13 (4), 2559 - 2568 (2020)

Keywords: Molecular Modeling, Synthesis, 5-O-acylpinostrobin Derivatives, Analgesic, QSAR

DOI: http://dx.doi.org/10.31788/RJC.2020.1345749

ANTIOXIDANT AND ANTIHYPERURICEMIC POTENTIALS OF RARU (Cotylelobium melanoxylon Pierre) BARK
M. Zulham Efendi Sinaga, Arida Susilowati , Firman Sebayang ,Saraswaty E. Br Ginting and Tati Suhartati

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Rasayan J. Chem, 13 (4), 2569 - 2576 (2020)

Keywords: Antioxidant, Antihyperuricemic, Raru bark, Cotylelobium melanoxylon Pierre

DOI: http://dx.doi.org/10.31788/RJC.2020.1345942

FLAVONOIDS CONSTITUENT ANALYSIS AND CELL CYCLE INHIBITION ACTIVITY OF ETHYLACETATE EXTRACT OF Vernonia amygdalina Delile. LEAVES ON LUNG CANCER CELL LINE
P.A.Z. Hasibuan, D. Munir, D. Pertiwi, D. Satria and M.F. Lubis

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Rasayan J. Chem, 13 (4), 2577 - 2581 (2020)

Keywords: Cell Cycle, Chemical Constituents, Vernonia amygdalina Delile., Leaves, Ethylacetate Extract

DOI: http://dx.doi.org/10.31788/RJC.2020.1345625

INFLUENCE OF ADDITIVES ON ANTI KNOCK AND ENVIRONMENTAL PROPERTIES OF GASOLINE AND THEIR MECHANISM OF ACTION
E.K. Kaldykozov, B. A. Abdikerimov, G. E. Kaldygozova and E. S. Tleubay

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Rasayan J. Chem, 13 (4), 2582 - 2587 (2020)

Keywords: Additive, Anti-detonator, Hydroperoxide, Free Radicals, Oxygenate, Monomethylaniline, Methanol

DOI: http://dx.doi.org/10.31788/RJC.2020.1345931

In-silico MOLECULAR DOCKING ANALYSIS OF ANDROGRAPHOLIDE DERIVED FROM Andrographis paniculata AS POTENTIAL ANTI-HIV AGENT TARGETING HIV-1 REVERSE TRANSCRIPTASE
G. Swapna, D. Rakesh and M. Estari

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Rasayan J. Chem, 13 (4), 2588 - 2594 (2020)

Keywords: AIDS, HIV-1 RT, Molecular Docking, Andrographolide, Nevirapine.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345889

A NEW NATURAL PRODUCT DIKETOPIPERAZINE, ANTIBIOTICALLY ACTIVE COMPOUND FROM SYMBIOTIC FUNGUS Purpureocillium lilacinum ISOLATED FROM MANGROVE Sonneratia alba
Robert A. Bara, Stefan Kehraus, Alexander Bogdanov, Jimmy Posangi, Fitje Losung, Ekaterina Egereva , Remy Mangindaan and Gabriele Koenig

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Rasayan J. Chem, 13 (4), 2595 - 2602 (2020)

Keywords: Endophitic Fungus, Spectroscopic Analysis, Natural Products, Antibacterial Activities, Purpureocillium lilacinum, Mangrove Sonneratia alba

DOI: http://dx.doi.org/10.31788/RJC.2020.1345690

FLUORIDE REMOVAL FROM DRINKING WATER BY PRISTINE PUMICE AS ADSORBENT
S. K. Singh, S. Shweta, Mansi Shrivastava and Shivankar Aggarwal

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Rasayan J. Chem, 13 (4), 2603 - 2608 (2020)

Keywords: Pumice, Adsorption, Fluoride Removal, Batch Techniques

DOI: http://dx.doi.org/10.31788/RJC.2020.1345967

PHYSICOCHEMICAL ANALYSIS OF LAKE WATER USING NATURAL COAGULANTS
S. Vanitha and N. K. Rajan

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Rasayan J. Chem, 13 (4), 2609 - 2615 (2020)

Keywords: Turbidity, pH, Natural coagulants, Lake Water

DOI: http://dx.doi.org/10.31788/RJC.2020.1345817

SYNTHESIS AND CHARACTERIZATIONS OF A VERSATILE SILICA INCORPORATED MAGNESIUM-ZINC OXIDE PHOTOCATALYST
M. Athira Chandran, N. Amal, K. M. Sreedhar, G. Sivasubramanian and K. M. Sreekanth

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Rasayan J. Chem, 13 (4), 2616 - 2625 (2020)

Keywords: Photocatalytic Activity, Metal Oxide Semiconductor, Chromium, Methylene Blue, Bandgap

DOI: http://dx.doi.org/10.31788/RJC.2020.1345859

DESIGN OF THIOXANTHONE DERIVATIVES AS POTENTIAL TYROSINE KINASE INHIBITOR: A MOLECULAR DOCKING STUDY
F. Hermawan, J. Jumina and H.D. Pranowo

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Rasayan J. Chem, 13 (4), 2626 - 2632 (2020)

Keywords: Molecular Docking, Thioxanthone, PDGFR, EGFR, AutoDock.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345699

BIOACTIVE COMPOUNDS FROM MARINE SPONGE DERIVED FUNGUS Aspergillus unguis WR8
D. Handayani, A. Rendowati, I. Aminah, N. P. Ariantari and P.Proksch

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Rasayan J. Chem, 13 (4), 2633 - 2638 (2020)

Keywords: Aspergillus unguis, nidulin, 2-chlorounguinol, unguinol, Methicillin-Resistant Staphylococcus aureus (MRSA), Antibacterial Activity, Cytotoxic Activity.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345781

RESEARCH OF HYDROCARBON COMPOSITION AND PHYSICAL AND CHEMICAL PROPERTIES OF LIGHT DISTILLATE FRACTIONS OF CASPIAN OIL
E.K. Kaldykozov, E. S. Tleubay, G. E. Kaldygozova and B. A. Abdikerimov

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Rasayan J. Chem, 13 (4), 2639 - 2645 (2020)

Keywords: Physical and Chemical Properties, Gasoline Fraction, Hydrogen Sulfide, Distillate Fraction, Chromatograph, Catalytic Isomerization, Hydrocarbon, Petroleum Product.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345971

KINETICS OF EXTRACTION OF INORGANIC CHLORIDES FROM LEAD PRODUCTION SLAGS IN THE PRESENCE OF DISTILLER LIQUID
D.?.Pazylova, V.M. Shevko, A.S.Tleuov, B.A. Lavrov, N.S. Saidullayeva and A.S.Abzhanov

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Rasayan J. Chem, 13 (4), 2646 - 2652 (2020)

Keywords: Fuming Slag, Distilled Liquid, Nonferrous Metal Chlorides, Kinetics, Apparent Activation Energy, Process Area.

DOI: http://dx.doi.org/10.31788/RJC.2020.1345862

REMOVAL OF ALUMINUM (III) FROM POLLUTED WATER USING NEW EFFECTIVE BIO-SORBENTS DERIVED FROM STEMS OF Burea monosperma AND Angle marmelo PLANTS
Polavarapu Srineetha, Yeruva Alekhya Reddy, Sayana Veerababu and K. Ravindhranath

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Rasayan J. Chem, 13 (4), 2653 - 2663 (2020)

Keywords: Al-pollution Control, Bio-sorbents, Burea monosperma, Angle marmelo, Thermodynamics, Kinetics,Isotherms, Applications

DOI: http://dx.doi.org/10.31788/RJC.2020.1346009

GREEN SYNTHESIS OF COPPER NANOPARTICLES USING Holoptelea integrifolia FRUIT EXTRACT
Anju, Shruti Sharma, Hari Ram Dhanetia and Alka Sharma

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Rasayan J. Chem, 13 (4), 2664 - 2671 (2020)

Keywords: Copper Nanoparticles, Holoptelea integrifolia, FTIR, UV-Visible, SEM

DOI: http://dx.doi.org/10.31788/RJC.2020.1346306