HYDROCHALCONE COMPOUNDS FROM INDONESIAN MEDICINAL PLANT, "SIRIH HUTAN", Piper aduncum (Piperaceae)

R. Kartika, Sudrajat, Bustanussalam and P. Simanjuntak

Rasayan J. Chem, 12 (3), 1022 - 1026 (2019)

Keywords: Hydrochalcone; Piper aduncum; Piperaceae; 2’,6’-dihydroxy-4’-methoxy dihydrochalcone; 2’,6’,4-trihydroxy-4’-methoxy dihydrochalcone

DOI: http://dx.doi.org/10.31788/RJC.2019.1235186

A SPECTROSCOPIC EVIDENCE FOR REACTIVE OXYGEN SPECIES PRODUCTION BY L-TRYPTOPHAN PHOTO OXIDATION FOR PGSA DENDRIMER-PROTOPORPHYRIN IX NANOFORMULATION

M. Suresh Kumar, P. Aruna and S. Ganesan

Rasayan J. Chem, 12 (3), 1027 - 1031 (2019)

Keywords: Photodynamic therapy, biocompatible anionic dendrimer, Reactive oxygen species, Protoporphyrin IX, Tryptophan, cancer, spectroscopy.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235149

SYNTHESIS AND ANTIOXIDANT EVALUATION OF SOME NEW ALLOBETULIN ESTERS

S. Arrous, I. Boudebouz, O. Voronova, E.Plotnikov and A. Bakibaev

Rasayan J. Chem, 12 (3), 1032- 1037 (2019)

Keywords: triterpene, betulin, allobetulin, esterification, haloacetic acid, antioxidant.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235159

STUDY ON THE EFFECT OF QUARRY DUST ON DEFLECTION CHARACTERISTICSOF COCONUT SHELL CONCRETE SLAB

S. Prakash Chandar and K.Gunasekaran

Rasayan J. Chem, 12 (3), 1038- 1042 (2019)

Keywords: Coconut shell; Quarry dust; Density; Strength; Deflection.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235233

THE EFFECT OF TUNGSTEN DISULFIDE ADDITIVES AND SODIUM DODECYL SULFATE ON BASE OILS COMBINATIONS COMPARED TO LUBRICANTS 10W-40 TO REDUCE FRICTION

Susilawati, M. Hanifuddin and Y. P. Gultom

Rasayan J. Chem, 12 (3), 1043 - 1051 (2019)

Keywords: Tungsten disulfide (WS2), Sodium Dodecyl Sulfate (SDS), SAE 10W-40 Lubricant, Friction Coefficient, Scar Diameter

DOI: http://dx.doi.org/10.31788/RJC.2019.1235166

CHEMICAL COMPOSITION AND ANTIOXIDANT ACTIVITY OF THE ESSENTIAL OILS FROM WHITE AND GREEN LEAVES OF NIGERIA-GROWN Ficus microcarpa

O. Atolani, C.B. Adeosun, A.P. Oluyori and J.Olota

Rasayan J. Chem, 12 (3), 1052 - 1057 (2019)

Keywords: Ficus microcarpa, phytol, cubene, copaene, megastigmatrienone, antioxidant

DOI: http://dx.doi.org/10.31788/RJC.2019.1235122

NOVEL SYNTHESIS AND CHARACTERISATION OF SOME BENZYLIDENE DERIVATIVES OF GLYCOSYL THIOCARBAMIDES

Samidha S. Kadu and G. V. Korpe

Rasayan J. Chem, 12 (3), 1058 - 1062 (2019)

Keywords: Glycosyl thiocarbamides, Anisaldehyde, Benzylidene glycosylthiocarbamides, antimicrobial analysis.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235128

MICROWAVE ASSISTED SYNTHESIS, QSAR AND MOLECULAR DOCKING STUDIES OF 2,4- THIAZOLIDINEDIONE DERIVATIVES

B. Geetha, G. Swarnalatha and G.V. Subba Reddy

Rasayan J. Chem, 12 (3), 1063 - 1071 (2019)

Keywords: Anti-diabetic activity, Peroxisome proliferator-activated receptor (PPARγ), 2, 4-thiazolidinedione derivatives, pioglitazone, Molecular Docking.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235165a

A GREEN APPROACH FOR SYNTHESIS AND CHARACTERIZATION OF SILVER NANOPARTICLESAND THEIR ANTI-MICROBIAL ACTIVITY

M. Gopalakrishnan, A. Sheenu, Binny Varghese, J. Dharani and S. Saranya

Rasayan J. Chem, 12 (3), 1072 - 1076 (2019)

Keywords: Silver Nanoparticles, Mirabilisjalapa,Anti-Microbial

DOI: http://dx.doi.org/10.31788/RJC.2019.1235136

SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF NOVEL 3- HYDROXY BENZOIC ACID HYBRID DERIVATIVES [PART II]

Maruti S. Satpute, Vijay D. Gangan and Indu Shastri

Rasayan J. Chem, 12 (3), 1077 - 1084 (2019)

Keywords: 3-Hydroxy Benzoic Acid, IR, 1HNMR, TOF MS, DCC, DMAP, Biological Activities, Antibacterial, Agar Cup Method.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235167

SPECTRAL CHARACTERIZATIONS OF Cu2+ IONS DOPED CaZn2 (PO4)2 NANOPHOSPHOR

P. Krishna Kishore Kumar, Y. Ramesh Babu and R.V.S.S.N.Ravikumar

Rasayan J. Chem, 12 (3), 1085 - 1090 (2019)

Keywords: Calcium Zinc Phosphate, EPR, Coating Materials, Pigments, Optical Absorption.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235261

COMPARISON OF OIL/WATER SEPARATING EFFICIENCY OF OLEOPHOBIC MEMBRANES BASED ON FLUORINE CONTAINING AND FLUORINE NON-CONTAINING COATINGS

F.R. Sultanov, Ch. Daulbayev, B. Bakbolat, A. Zhurintayeva, O.Daulbayev and Z.A. Mansurov

Rasayan J. Chem, 12 (3), 1091 - 1097 (2019)

Keywords: Membranes, Mesh, Oleophobic, Hydrophilic, Oil/Water, Separation

DOI: http://dx.doi.org/10.31788/RJC.2019.1235254

OPTIMIZATION AND VALIDATION OF RP-HPLC/UV DETECTION FOR SEVERAL COMPOUNDS SIMULTANEOUSLY IN SEMI-PURIFIED EXTRACT OF WHITE TEA

Shaum Shiyan, Triana Hertiani, Ronny Martien and Akhmad Kharis Nugroho

Rasayan J. Chem, 12 (3), 1098- 1109 (2019)

Keywords: Optimization, Central Composite Design, Validation, HPLC, White Tea, EGCG.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235276

ACOUSTIC PROPERTIES OF BINARY LIQUID MIXTURES CONTAINING N-METHYL FORMAMIDE WITH ANILINES AT DIFFERENT TEMPERATURES

K. Govinda Raoand ShaikBabu

Rasayan J. Chem, 12 (3), 1110 - 1116 (2019)

Keywords: Speed of sound, Viscosity, Redlich-Kister Polynomial, Molar Volume

DOI: http://dx.doi.org/10.31788/RJC.2019.1235285

SYNTHESIS OF MESOPOROUS SILICA SBA-15 THROUGH SURFACTANT SET-UP AND HYDROTHERMAL PROCESS

R. Thahir, A. W. Wahab, N. L. Nafie and I. Raya

Rasayan J. Chem, 12 (3), 1117 - 1126 (2019)

Keywords: Silica SBA-15, Mesoporous, Surfactant, Hydrothermal process, Precursor

DOI: http://dx.doi.org/10.31788/RJC.2019.1235306

KINETICS OF PENTAAMMINE COBALT(III) COMPLEXES OF α -HYDROXY ACIDS BY ISOQUINOLINIUM FLUOROCHROMATE IN MICELLAR MEDIUM

P. Rajkumar, G.Saraswathy, Z. Abdul Vaheith and A. Fiaz Ahamed

Rasayan J. Chem, 12 (3), 1127- 1134 (2019)

Keywords: Pentaamminecobalt(III) Complexes, Isoquinolinium Fluorochromate(IQFC), Micelles, Oxidation, NaLS, CTAB.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235318

IMPROVEMENT OF THE CHARACTERISTIC OF POLYETHERSULFONE MEMBRANE BY BLENDING WITH BRIJ OF DIFFERENT MOLECULAR WEIGHTS

M. Y. Wahab, S. Muchtar, S. Mulyati, M. Riza, N. Arahman and M. A. A. Baig

Rasayan J. Chem, 12 (3), 1135- 1143 (2019)

Keywords: Polyethersulfone (PES), Brij, Non-ionic Surfactant, Hydrophilic Membrane, Ultra Filtration, Green Technology

DOI: http://dx.doi.org/10.31788/RJC.2019.1235340

POTENCY OF PAPER MILL WASTE AS RECYCLABLE POLYPROPYLENE FILLED WITH COCONUT FIBER COMPOSITE FOR MITIGATIONAL MATERIAL

Elda Pelita, Tengku Rachmi Hidayani and Dedy Rahmad

Rasayan J. Chem, 12 (3), 1144 - 1150 (2019)

Keywords: Coconut Fiber, Composite, Earthquake-resistant Building, Plastic Waste, Sludge, Wall Panels.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235345

ORGANOLEPTIC ANALYSIS OF YOGURT WITH BANANA ADDITION AND STEVIA SWEETENERS

M. Faisal, Saifullah and T. Mukhriza

Rasayan J. Chem, 12 (3), 1151 - 1156 (2019)

Keywords: Yogurt, Musa paradisiaca formatypical, Organoleptic, Hedonic, Stevia, Diabetes mellitus

DOI: http://dx.doi.org/10.31788/RJC.2019.1235365

CONTROLLED RELEASE OF THE ENCAPSULATED OF KARI (MURRAYA KOENIGII) LEAVE'S EXTRACT IN THE MATRIX OF GELATIN-GUM ARABIC

Jelita, Basuki Wirjosentono, Tamrin and Lamek Marpaung

Rasayan J. Chem, 12 (3), 1157 - 1165 (2019)

Keywords: Controlled released, Kari Leave’s Extract, Gelatin, Gum Arabic, Spray Drying

DOI: http://dx.doi.org/10.31788/RJC.2019.1235378

ELECTROCATALYTIC OXIDATION OF TRYPTOPHAN AND TYROSINE USING DENSELY PACKED COBALT OXIDE SANDWICHED GRAPHENE STACKS MODIFIED ELECTRODE

R. Vivekananth, V. Sivasankar, E. Senthil Kumar and R. A. Kalaivani

Rasayan J. Chem, 12 (3), 1166 - 1174 (2019)

Keywords: Cyclic Voltammetry, Tryptophan, Tyrosine, Graphene, Cobalt Oxide Nanoparticles

DOI: http://dx.doi.org/10.31788/RJC.2019.1235045

ISOLATION AND IDENTIFICATION OF α-GLUCOSIDASE INHIBITORY COMPOUNDS FROM ETHYL ACETATEEXTRACT OF Sirih Hijau (Piper betle L.)

A. Malik, L. Marpaung, M. P. Nasution and P. Simanjuntak

Rasayan J. Chem, 12 (3), 1175 - 1184 (2019)

Keywords: α-Glucosidase, Antidiabetic, Ethyl Acetate, NMR Spectra, Piper betle Linn, Sirih hijau

DOI: http://dx.doi.org/10.31788/RJC.2019.1235082

THE EFFECT OF ANTIOXIDANT OF GRAPESEED OIL AS SKIN ANTI-AGING IN NANOEMULSION AND EMULSION PREPARATIONS

Sumaiyah and B.M. Leisyah

Rasayan J. Chem, 12 (3), 1185 - 1194 (2019)

Keywords: Grapeseed Oil, Antioxidant, Nanoemulsion, Anti-aging.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235337

SEASONAL VARIATIONS OF TRACE METALS IN THE GROUNDWATER SAMPLES OF HARIHARA TALUK, DAVANGERE DISTRICT, KARNATAKA

S. Thirumala and B. R. Kiran

Rasayan J. Chem, 12 (3), 1195 - 1202 (2019)

Keywords: Groundwater, Harihar Taluk, Trace Metals, Drinking Water Standards

DOI: http://dx.doi.org/10.31788/RJC.2019.1235271

EVALUATION OF KINETIC PARAMETERS FOR MnII CATALYZED PERIODATE OXIDATION OF m-TOLUIDINE: A MECHANISTIC STUDY

Sushma, R. D. Kaushik, M. M. Tiwari, Malvika Chawla and Jaspal Singh

Rasayan J. Chem, 12 (3), 1203- 1211 (2019)

Keywords: Kinetics, Mechanism, MnII, Periodate, m-Toluidine, 3-Methyl-p-benzoquinone

DOI: http://dx.doi.org/10.31788/RJC.2019.1235348

UV-VIS STUDY ON POLYANILINE DEGRADATION AT DIFFERENT pHs AND THE POTENTIAL APPLICATION FOR ACID-BASE INDICATOR

Said Ali Akbar and Erwinsyah Satria

Rasayan J. Chem, 12 (3), 1212 - 1218 (2019)

Keywords: Acid-Base, Indicator, pH, Polyaniline, Titration

DOI: http://dx.doi.org/10.31788/RJC.2019.1235370

EXPERIMENTAL AND THEORETICAL PERSPECTIVES ON LTRYPTOPHAN: AN AMINO ACID SINGLE CRYSTAL FOR NONLINEAR OPTICAL APPLICATIONS

A. Mohamed Ibrahim and S. Arunachalam

Rasayan J. Chem, 12 (3), 1219 - 1228 (2019)

Keywords: Crystal growth, Hardness, Nonlinear, Density functional theory.

DOI: http://dx.doi.org/10.31788/RJC.2019.1235172