Bulgarian Chemical Communications, Volume 51, Number 4, 2019
 
Contents:
   

Anniversary
Pages 473-474
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1

Aspartic acid as an efficient and green catalyst for the one-pot synthesis of 2-amino-4H-chromene derivatives under thermal, solvent free conditions
Original Research Article
Pages 475 – 478
M. Abreshteh, K. Khandan-Barani, A. Hassanabadi
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2

Reduction of nitro compounds using copper as catalyst in dioxolane medium
Original Research Article
Pages 479 – 482
Vinaya, Sumana Y. Kotian, K. M. Lokanatha Rai
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3

Proximate (lipid, moisture, ash) levels and fatty acid profiles in edible parts of common cuttlefish (Sepia officinalis, L., 1758) from different geographical areas
Original Research Article
Pages 483 – 487
A. Ozyilmaz, O. Duysak, D. Bozdogan Konuskan
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4

Adsorption of cobalt onto activated charcoal and its utilization for decolorization of bromocresol green dye
Original Research Article
Pages 488 – 493
I. Khan, N. Ur Rahman, A. Ali, K. Saeed
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5

Kinetics of oxidation of [Fe(phen)3]+2 by persulphate: catalysis in the water pools of CTAB reverse micelles
Original Research Article
Pages 494 – 498
K.V. Nagalakshmi, P. Shyamala
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6

Mass spectroscopic and biological activity investigations of bis(triorganotin(IV)) carboxylates with acetylene dicarboxylic acid
Original Research Article
Pages 499 – 505
Sh. Hussain, Gh. Abbas, Mu. Shahid
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7

Antibiocorrosve coatings based an antimicrobial polimer hibrid composites
Original Research Article
Pages 506 – 512
N. Lekishvili, Kh. Barbakadze, B. Arziani, G. Lekishvili, W. Brostow
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8

Modelling the interaction and prediction of mictrotubule assembly inhibition of podophyllotoxin and its derivatives by molecular docking
Original Research Article
Pages 513 – 520
M. D. Atanasova, P. Sasheva, I. M. Yonkova, I. A. Doytchinova
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9

Adsorption of polyacrylamide on activated carbon
Original Research Article
Pages 521 – 526
D. Chamovska, A. Porjazoska Kujundziski
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10

Investigating the influence of p-substituents upon spectral, thermal, kinetic, molecular modeling and molecular docking characteristics of new synthesized arylazobithiazolylhydrazones
Original Research Article
Pages 527 – 540
N. M. El-Metwaly, S. Bondock, I. I. Althagafi, A. M. Khedr, A. A. Al-Zahar, F. A. Saad
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11

Adsorption of bisphenol A and phenoxyacetic acid onto new polymeric adsorbents
Original Research Article
Pages 541 – 551
G. Akdut, F. Bildik, H. Duran, A. Tuna, T. Şişmanoğlu, B. F. Şenka
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12

Semiconducting graphene
Original Research Article
Pages 552 – 556
S. K. Kolev, V. A. Atanasov, H. A. Aleksandrov, V. N. Popov, T. I. Milenov
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13

Regression model and analysis of MHD mixed convective stagnation point nanofluid flow: SLM and SRM approach
Original Research Article
Pages 557 – 568
B. Kumar, G. S. Seth, R. Nandkeolyar
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14

Computer modelling and optimization of the structure-activity relationship by using surface fitting methods
Original Research Article
Pages 569 – 579
F.I. Sapundzhi
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15

Trifunctionalized allenes. Part II. A practical regioselective synthesis of 4-phosphorylated -hydroxyallenecarboxylates
Original Research Article
Pages 580 – 585
I.E. Ismailov, I. K. Ivanov, V. Ch. Christov
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16

Synthesis of novel polyaniline composites with Eriobotrya japonica leaves for removal of Methyl Red dye from wastewater
Original Research Article
Pages 586 – 591
F. Kanwa, R. Rehman, H.A. Warraich
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17

UV-spectrophotometric approach in comparative studies of Gliclazide modifiedrelease tablets
Original Research Article
Pages 592 – 595
N. I. Marchokova, V. B. Petkova, M. V. Dimitrov
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18

Sulfamic acid-functionalized silica-coated magnetite nanoparticles as a recyclable catalyst for the facial synthesis of benzimidazole derivatives
Original Research Article
Pages 596 – 603
D. Azarifar, M. Farbodmehr, O. Badalkhani, M. Jaymand
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19

Effects of tomato processing on carotenoids antioxidant activity and stability during one-year storage
Original Research Article
Pages 604 – 610
J. M. Zdravković, N. V. Pavlović, J. D. Mladenović, N. M. Vragolović Bošković, N. M. Zdravković
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20

Calibration of а system for air-borne gamma spectrometry survey and mapping implementation
Original Research Article
Pages 611 – 617
I. I. Iliev
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21

Removal of chromium from aqueous solution using chitosan: An experimental study
Original Research Article
Pages 618 – 624
M. Didarul Islam, Sh. Rahaman, J. Hasan Jiban, M. Muhtasim Mahdi
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22

Modeling the separation performance of nanofiltration and reverse osmosis: case study of groundwater desalination (M’Nasra zone Morocco)
Original Research Article
Pages 625 – 631
M. Bchiti, M. Igouzal, F. El Azhar, H. Oudda, A. El Midaoui
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23 AUTHOR INDEX    
24 SUBJECT INDEX    
25 INSTRUCTIONS TO THE AUTHORS    
26 CONTENTS