Issue of Universum: Chemistry and Biology 3(81)

The issue was published on March 5, 2021.

DOI - 10.32743/UniChem.2021.81.3-1

DOI - 10.32743/UniChem.2021.81.3-2

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Issue Articles

Research of nitrogen, phosphorus and potassium content in soils of Namangan region

Ulmas Rakhmatov Dilshojon Mirzaev Elmurodjon Abdisamatov

15.02.2021 1075

02. Analytical Chemistry

The application of monoammonium salt of glycyrrisic acid as a biosorbation reagent for iron (III) ion

Ugiloy Abdurakhmanova Khabibjon Kh. Kushiev Iroda Jumabaeva

02.03.2021 1107

02. Analytical Chemistry

Production of food hydrogenated oil based on hydro-interesterification of cotton oil with palmitin

Sanobar Achilova Abdurahimov Saidakbar Akbarali Ruzibaev Sarvar Khodjaev Rano Akramova

02.03.2021 1277

03. Organic Chemistry

Selection of a catalyst for hydro-interesterificationof oil and fat mixtures

Sanobar Achilova Abdurahimov Saidakbar Akbarali Ruzibaev Sarvar Khodjaev

02.03.2021 828

03. Organic Chemistry

Synthesis of aromatic acetylene alcohols using a catalyst of zinc and stannum trifluoromethyl sulfonate

Saida Abdurakhmanova Guzal Otamukhamedova Odiljon Ziyadullaev Sarvinoz Tirkasheva

16.02.2021 687

03. Organic Chemistry

Research of the oxidation of the fat base of margarine with the use of the developed antioxidant compositions

Madina Khamidova Abdurahimov Saidakbar Sarvar Khodjaev Rano Akramova

19.02.2021 641

03. Organic Chemistry

Research of the oxidative process of the fat basis of margarine

Madina Khamidova Abdurahimov Saidakbar Sarvar Khodjaev Rano Akramova

19.02.2021 832

03. Organic Chemistry

Heterocyclic oxiazo compounds as analytic reagents

Ekhtiyor Atoev

19.02.2021 534

03. Organic Chemistry

Mechanism and quantum chemical calculation of synthesis of 4´,4´´(5´´)- (methylethyloxymethyl)-dibenzo-18-crown-6

Kozinskaya Lyubov Dilorom Mirkhamitova

22.02.2021 656

03. Organic Chemistry

Classification of pyrimidine and ferrocene derivatives on base on chemical composition

Mamarakhmonov Mukhamatdin Khomidovich

02.03.2021 676

03. Organic Chemistry

Physic-chemical investigation of inhibition mechanism for steel corrosion

Elyor Berdimurodov Innat Nakhatov Oybek Mikhliev Nilufar Tursunova

08.02.2021 765

05. Electrochemistry

Radiation suspension polymerization of acetylene monomers

Shavkat Sharipov Sharifov Gulomjon Nurmuhammad Abdullaev Hasan Nasimov Ziyadulla Normurodov Sherzod Mirzaev

18.02.2021 582

06. High-molecular compounds

Study of steel corrosion inhibition with the use of secondary waste

Roza Durdubaeva Xasan Beknazarov Abror Nomozov

23.02.2021 603

06. High-molecular compounds

A method for the detection, classification and numbering of pathogens and their toxins in food

Komila Ruzieva Bakhodir Muhamadiev

04.03.2021 680

09. Bioorganic Chemistry

Comparative study of the content of water-soluble vitamins and microelements of the fruits of quince (Cydonia oblonga) growing in different regions of the Republic of Uzbekistan

Saxiba Madraximova Azamat Masharipov Baxtishod Matmuratov Erkaboy Eshchanov Nodira Abdullajonova Matchanov Alimjon Davlatboyevich

02.03.2021 1348

09. Bioorganic Chemistry

Chemical composition of hexane extract Juglans regia leaves and their insecticidal activity

Umid Mamarozikov Mavlyuda Suvanova Gulxan Genjemuratova Saida Turayeva Rano Zakirova Nazira Khidyrova

26.02.2021 829

09. Bioorganic Chemistry

The synthesis of uterus sex pheromones cyst-tailed Orgyia pseudotsugata

Turgunboy Jumakulov Jahongir Turdibayev Erkinboy Kushboev

26.02.2021 897

09. Bioorganic Chemistry

Study of physico-chemical properties of supramolecular complexes of glycyric acid derivatives with 8-oxyquinoline

Ugiloy Abdurakhmanova Khabibjon Kh. Kushiev Shokhjakhon Ergashev Farukh Abulov

24.02.2021 1770

09. Bioorganic Chemistry

Investigation of the thermiticidal properties of naphthalene derivatives

Ulugbek Togaev Zoitjon Tilyabayev Hamid Khaitbaev

15.02.2021 714

09. Bioorganic Chemistry

Features of the yield of a potato plant, depending on the growing conditions

Vardanyan Zaruhi L. Shahverdyan

09.02.2021 686

21. Biochemistry

The use of native and introduced species of dendroflora in landscaping the city of Vanadzor

Bayramyan Lilia Nune Shekoyan

08.02.2021 936

21. Biochemistry

The content of some heavy metals in the waters of the Vanadzor chemical plant's tailing and in the rivers running through the territory of the city

Zalinyan Sergey Anush Muradyan

18.02.2021 556

34. Ecology (by industry)

Abnormal embryogenesis as a pathogenetic factor of the development of intestinal malrotation

Hasanboy Toshmatov Sherzod Toshboev

01.03.2021 1084

45. Developmental biology, embryology

Impairment of anterior compartment of foregut as a factor in the development of esophagal atresia in early ontogenesis

Halilulla Ajimamatov Sherzod Toshboev

01.03.2021 616

45. Developmental biology, embryology

Teratogenic, clinical and genetic factors in the pathogenesis of anorectal developmental defects

Muzaffar Yuldashev Shavkatjon Bozorov Sherzod Toshboev

08.02.2021 660

45. Developmental biology, embryology