| Bulgarian Chemical Communications, Volume 51, Number 2, 2019 | |||
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Contents:  | 
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1  | 
    Influence of storage time and temperature on the activity of urease   | 
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2  | 
     Effect of ultrasound on the dissolution of Mardin-Mazıdağı (Turkey) phosphate ore in dilute H3PO4 solutions   | 
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3  | 
    Thermo-diffusion effects on the m agnetohydrodynamic natural convection flow of a chemically reactive Brinkman type nanofluid in a porous medium   | 
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4  | 
    Thermal properties and time-dependent flow behavior of a viscous fluid   | 
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| 5 | The eliminatory effects of cold argon plasma jet on aflatoxin B1 produced by different isolates of Aspergillus section nigri   | 
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| 6 | Comparison of ANFIS and ANN modeling for predicting the behavior of a catalytic methane reformer   | 
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| 7 | Biotransformation of oleic acid and antimicrobial and anticancer activities of its biotransformatıon extracts  | 
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| 8 | Spectrophotometric determination of significant minerals in milk samples found in Lahore (Pakistan) for ensuring food safety   | 
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| 9 | The influence of pigment proportions and calendering of coated paperboards on dot gain  | 
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| 10 | Optical spectroscopic study of Ru and Rh doped Bi12TiO20 crystals   | 
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| 11 | Theoretical insight to intermolecular hydrogen bond interactions between methyl N-(2-pyridyl) carbamate and acetic acid: substituent effects, cooperativity and energy decomposition analysis     | 
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| 12 | Synthesis, antimicrobial and antimalarial activity of 1, 4-benzothiazepine and pyrazoline derivatives incorporating carbazole moiety      | 
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| 13 | The effects of temperature and ultrasound on the migration of di-(2-ethylhexyl) phthalate from plastic packaging into dairy products     | 
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| 14 | In vitro study on the antitumor activity of Tanacetum vulgare L. extracts   | 
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| 15 | Air pollution monitoring with mosses in Western Rhodopes, Bulgaria     | 
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| 16 | Optimization of high ultrasound-assisted extraction (INEFU) of active components from natural materials by response HPLC-PDA analysis   | 
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| 17 | Design, synthesis, structural characterization and cell cytotoxicity of a new derivative poly(maleic anhydride-co-vinyl acetate)/miltefosine polymer/drug conjugate      | 
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| 18 | Optimization of β-carotene solubility in pressurized hot water using a dynamic method and factorial methodology   | 
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| 19 | Modified graphite electrodes as potential cathodic electrocatalysts for microbial electrolysis cells      | 
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| 20 | Friedel-Crafts acylation of 2-methoxynaphthalene with acetic anhydride catalyzed by phosphotungstic acid in ionic liquid   | 
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