Andrey Nagdalian

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Verified

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• PhD
• Senior Researcher at North-Caucasus Federal University

There are two major problems that we are facing currently. Firstly, a growing human population continues to contribute to the increased food demand. Secondly, the volume of organic waste produced will threaten human health and the quality of the environment. Recently, there is an increasing number of efforts placed into farming insect biomass to pr...

CuO nanoparticles (NPs) can boost germination and seedling development of agricultural crops. However, it is either extremely contradictory or difficult to compare in terms of doses, dimension, nature, stability of CuO NPs and activity of stabilizing agents. This study focused on synthesis and characterization of CuO NPs stabilized with various pol...

Global food production is anticipated to rise along with the growth of the global population. As a result, creative solutions must be devised to ensure that everyone has access to nutritious, affordable, and safe food. Consequently, including insects in diets has the potential to improve global food and nutrition security. This paper aims to share...

In the present study, a method for the synthesis of gelatin-stabilized copper oxide nanoparticles was developed. Synthesis was carried out by direct chemical precipitation. Copper sulfate, chloride, and acetate were used as precursors for the copper oxide synthesis. Gelatin was used as a stabilizer. It was found that the formation of monophase copp...

The purpose of this work was to study the effect of selenium nanoparticles (Se NPs) on the biological and morphofunctional parameters of barley seeds (Hordéum vulgáre L.) We used seeds of Hordéum vulgáre L. with reduced morphofunctional characteristics. For the experiment, Se NPs were synthesized and stabilized with didecyldimethylammonium chloride...

Epinephrine (EP) is one of the most significant neurotransmitters in humans and it is essential for the central neurological, hormonal, and cardiovascular systems to operate. The amount of EP in the blood determines several biological processes in the human body, and variations in this concentration indicate the onset of certain illnesses. To detec...

This study aimed to evaluate the effect of three different techniques, namely electrochemical treatment, acoustic treatment and superadditive pulsed discharge technology, on three types of water. Electrochemical treatment technique was applied to the tap water, and its characteristics were compared against sanitary and hygienic requirements of the...

In this work, a triple chelated mixed ligand complex of Fe with ascorbic and nicotinic acids was synthesized for the first time. The synthesis method was optimized and the optical properties as well as the stability of the resulting complex were studied. It was found that variation of technological parameters has no practically effect on physico-ch...

Tannases are a family of esterases that catalyze the hydrolysis of ester and depside bonds present in hydrolyzable tannins to release glucose and gallic acid. This enzyme is widely spread in animals, plants, and microbes. In particular, fungi and bacteria are the major sources of tannase. In recent years, this enzyme has drawn the attention of inve...

A series of innovative azo xanthene dyes was synthesized through an efficient and expedited cyclocondensation reaction involving 3,4-methylenedioxyphenol and the prepared 1,2-diphenyl-1-diazenes in a molar ratio of 2:1. The synthesis occurred in the presence of Fe3O4@TiO2 composite nanoparticles within an aqueous ethanol solution at ambient tempera...

Biodegradable and/or edible films made from polysaccharides and proteins have gained attention for their potential to replace some traditional packaging materials in the food industry due to their abundance, biodegradability, and nutritional value. Glutaraldehyde (GLA), rapidly reacts with free deprotonated ε-amino groups in proteins, leading to cr...

Colorectal cancer (CRC) is the third most diagnosed cancer and the second leading cause of morbidity worldwide. In Algeria, it ranks second in mortality-related deaths. Poor lifestyle, characterized by a low-fiber diet, insufficient physical activity, tobacco use, and alcohol consumption, is strongly associated with an increased risk of developing...

Currently, hydrophobic materials and coatings are of great practical interest due to their unique functional characteristics. The aim of this study was to develop a hydrophobic agent based on SiO2 microspheres hydrophobized with resin acids of natural gums to protect various surfaces. According to quantum chemical modeling, the most energetically a...

Currently, biopolymer-based Zn-containing nanoforms are of great interest for medical applications. However, there is lack information on optimal synthesis parameters, reagents and stabilizing agent for production of zinc carbonate nanoparticles (ZnC-NPs). In this work, synthesis of ZnC-NPs was carried out by chemical precipitation with the use of...

Bioactive compounds have been linked to a reduced risk of developing diseases and promoting good health. To effectively extract these compounds from various natural sources, the development and optimization of efficient technologies have gained significant attention. Ultrasound (US) is an exceptional technology that can enhance the extraction of se...

This work presents a study on the synthesis, characterization, and biocompatibility assessment of manganese carbonate nanoparticles (MC-NPs) stabilized with methylcellulose. Manganese acetate was used as a manganese-containing precursor, ammonium carbonate was used as a precipitator, and methylcellulose served as a stabilizing agent. The sampl...

The purpose of this work was to develop a synthesis technique and study the physico-chemical properties of copper carbonate nanoparticles (CC-NPs) stabilized with biopolymers to assess their biocompatibility and toxicity. For the synthesis of CC-NPs, Cu(CH3COO)2 and CuCl2 were used as Cu precursors, while K₂CO₃, (NH₄)₂CO₃ and (NH₄)₂CO₃ were us...

A comprehensive review of the literature data on the choice of osteotropic micronutrients is presented as part of this review. The analysis showed that nanoscale osteotropic micronutrients (carbonates Ca, Mg, Zn, Mn, and Cu) are promising materials with a wide range of practical applications. The main methods of synthesis of each of the carbonates...

Nano-priming is an innovative method using nanoparticles of various substances, including metals and their oxides for seed treatment. The aim of this study was synthesis of Fe3O4 nanoparticles (NPs) with various stabilizing agents for potential pea seed nano-priming. For this, Fe3O4 NPs stabilized with ammonia, betaine, catamin, lysine, methylcellu...

A comparative analysis of mass–volume characteristics of structural and morphological components of hen eggs before incubation and on the fifth (HH25–HH27) and 10th (HH36) days of incubation was carried out. During incubation, egg weight decreased by 9.25% (10 days), mainly due to a decrease in albumen weight (35.8%). The ratio of lipid‐soluble fra...

The aim of this work was to select a biopolymer (chitosan, methyl cellulose, hydroxyethyl cellulose and hyaluronic acid) as stabilizing agent for copper carbonate nanoparticles (CC-NPs). It was found that the optimal precursor is Cu(CH3COO)2, and the optimal precipitator is (NH4)2CO3. According to XRD data, the optimal sample has the chemical formu...

This work demonstrates the first time synthesis of selenium nanoparticles (Se NPs) stabilized with neonol. The synthesis method was optimized using a multifactorial experiment with three input parameters. The most stable sample had a radius of 15 nm and a ζ-potential of -36.76 mV. It was found that the optimal parameters for the synthesis of Se NPs...

Assessing the embryotoxicity and teratogenicity of various substances and processes is crucial due to their complexity and resource intensity. The chicken embryo (CE) serves an ideal model for simulating the first months of mammalian embryonic development. This makes the CE a reliable model for testing teratogenic effects, particularly in relation...

This study presents the synthesis selenium nanoparticles (SeNPs), stabilized with Tween-80 (Tw) for potential fortification of milk and fermented dairy products. SeNPs were prepared by chemical reduction with ascorbic acid in an aqueous medium. Optimal synthesis parameters were obtained using neural network optimization. Quantum chemical modeling s...

Detergents and disinfectants for dairy industry must meet a variety of characteristics, including low toxicity, high antibacterial activity, and excellent rinsing of pollutants from working surfaces. This work presents an innovative detergent-disinfectant agent based on whey mineralizate and silver nanoparticles (Ag NPs), which allows reducing prod...

Relevance . One solution to the problem of selenium deficiency is the enrichment of socially important food products, in particular dairy products, with bioavailable forms of selenium. Such forms include selenium nanoparticles. The aim of the work is to develop a dairy product enriched with selenium nanoparticles stabilized with chitosan. Methods ....

Introduction The influence of chitosan's physicochemical characteristics on the functionality of lactic acid bacteria and the production of lactic acid remains very obscure and contradictory to date. While some studies have shown a stimulatory effect of oligochitosans on the growth of Lactobacillus spp, other studies declare a bactericidal effect o...

Synthesis, characterization and assessment of therapeutic efficacy of chitosan-ricobendazole complex were carried out for the first time in this work. Study of physico-chemical properties revealed the optimal ratio of chitosan: ricobendazole (30:4). Quantum chemical modeling set the optimal parameters for the formation of the chitosan-ricobendazole...

This study discovered and examined novel triple chelate complexes involving iron, ascorbic acid, and essential amino 8 acids (AsA-Fe-AmA triple chelate complexes) for the first time. The mechanism of complex formation was studied using FTIR 9 spectroscopy and quantum chemical modeling. The produced complexes were shown to be suitable for fortifying...

This study aimed to synthesize, characterize, and evaluate the effect of cocamidopropyl betaine-stabilized MnO2 nanoparticles (NPs) on the germination and development of pea seedlings. The synthesized NPs manifested as aggregates ranging from 50–600 nm, comprising spherical particles sized between 19 to 50 nm. These particles exhibited partial crys...

Образцы наноразмерного диоксида марганца, стабилизированного алкилдиметилбензиламмония хлоридом, получали методом химического осаждения. В ходе оптимизации было выявлено, что для синтеза наночастиц диоксида марганца со средним гидродинамическим радиусом менее 1200 нм оптимальными параметрами синтеза являются: температура от 20 до 35 °С, масса KMnO4...

Microelementosis is a disease associated with a deficiency of certain vital microelements. Today, there are ways to combat the lack of essential micronutrients. In this article, the mechanochemical synthesis of a triple copper-containing complex with ascorbic acid and L-isoleucine, an essential amino acid, was carried out. Examination of the sample...

Rabbit (RM) has become a valuable source of nutrients since the 1970s, helping to transform the European food industry into the largest RM producer in the world. However, the RM industry is experiencing a critical period of ethical imbalance. This trend, described as feed conversion ratio, impacts the environmental and financial performance of RM f...

В данной работе образцы наноразмерного оксида меди, стабилизированного глицерил кокоатом, получали методом химического осаждения в водной среде. Исследования микроструктуры методом сканирующей электронной микроскопии показали, что образец оксида меди представлен агломератами неправильной формы размером от 1 до 30 мкм, которые состоят из наночастиц...

Meeting food security is one of the major global challenges to ensure sufficient supply of food for current and future generations, considering increasing population growth and climate change issues. Consequently, the consumption of edible insects as an alternative food source has recently gained global attention for combating global food insecurit...

High-pressure processing (HPP) is a promising alternative to thermal pasteurization. Recent studies highlighted the effectivity of HPP(400–600 MPa and exposure times of 1–5 min) in reducing pathogenic microflora for up to 5 logs. Analysis of modern scientific sources has shown that pressure affects the main components of milk including fat globules...

Synthesis of 0.4 ± 0.03 g/L per day of pure and porous bacterial cellulose (BC) scaffolds (scaffBC) and BC scaffolds modified with gelatin (scaffBC/Gel) was carried out using the Medusomyces gisevii Sa-28 bacterial strain. FT-IR spectroscopy and X-ray diffraction analysis showed that the scaffolds largely consist of crystalline cellulose I (Iα, Iß)...

Reformulation of food tends to make nutritious foodstuff available for all, but food spoilage and food poisoning may arise due to microorganisms present in the surroundings. Preservation of reformulated food is necessary to maintain the nutritional supplements and to augment the safer foods the consumers. There are many ways of preservation, includ...

Selenium nanoparticles (Se NPs) have a number of unique properties that determine the use of the resulting nanomaterials in various fields. The focus of this paper is the stabilization of Se NPs with cetyltrimethylammonium chloride (CTAC). Se NPs were obtained by chemical reduction in an aqueous medium. The influence of the concentration of precurs...

Relevance . The chicken embryo model is ideal for studying the development of the heart, which is the first functioning organ in embryogenesis. Particular attention is drawn to the embryonic period, when the embryonic heart is both functioning and forming, and small deviations in this process can lead to developmental anomalies. The current lack of...

X-ray contrast techniques were tested on the chick embryos in early periods of embryogenesis. For contrast stain, reagents with radiopacity in various concentrations were used: silver proteinate, eosin, Lugol’s solution (I2KI), phosphomolybdic acid and phosphotungstic acid under heating at 25 °C and 40 °C and exposure for 24 and 48 h. The use of si...

In Africa, food insecurity seems to be a continual problem as a result of various factors such as extreme poverty, water scarcity, land degradation, and climate change. As a result, chronic hunger and malnutrition are still prevalent in many African countries. Consequently, the utilization of available and affordable natural food sources is needed...

Purpose of Review: Dietary consumption of prebiotics, probiotics, and synbiotics has been suggested to improve human health conditions. Functional food products containing live probiotics are flourishing, and their demand seems to be increasing since consumers are more aware of the health benefits of such products. However, specific food packaging...

Probiotics have won considerable interest in the food industry because of their health benefits. However, ensuring probiotics' viability, stability, and effective delivery in functional ingredients constitute a major concern. Microencapsulation is a promising method to ensure probiotic viability and stability. The best polymer for microencapsulatio...

Get your free online copy of the article at the following link: https://www.tandfonline.com/eprint/JYKRACBAVGBJWP6V8VPK/full?target=10.1080/87559129.2023.2228002 or: (50 free online copies of this article can be found on the following link: https://www.tandfonline.com/eprint/NWBHXR6KYSEFUFYEY6EW/full?target=10.1080/87559129.2023.2228002). ABSTRACT...

In this work, a comparative study on Moringa oleifera (MO) oil extraction techniques were conducted. MO seeds were collected from the Far North Region of Cameroon and oil was extracted using Soxhlet (SO), Ultrasonic (US) and Cold press (PR) methods. Physicochemical characteristics and fatty acid composition were determined for each MO oil extracted...

Insects have been a component of the human diet for ages, but their popularity as human food has only expanded considerably in recent years due to their potential as a large future food supply with high nutritional content and considerable environmental benefits. One of the promising insects with potential in foodstuff application is the red palm w...

The aims of the study were to dry orange peel (OP) by radio frequency-assisted hot air drying (RF-HAD) and conventional hot air drying (HAD), and to investigate the drying efficiency of the drying methods and quality parameters of dried waste. Various electrode gaps (60, 70, and 80 mm) and sample thicknesses (10, 30, and 50 mm) were studied to inve...

The aim of this research was to study the effect of MnxOy nanoparticles stabilized with L-methionine on the morphofunctional characteristics of the barley (Hordeum vulgare L.) crop. MnxOy nanoparticles stabilized with L-methionine were synthesized using potassium permanganate and L-methionine. We established that MnxOy nanoparticles have a diameter...

Nutritious and sustainable food sources are much needed to compensate for the rising demand for food due to the ever-growing human population. The idea of using insects as potential future foods is getting more attention globally. The consumption of insects or entomophagy offers several advantages other than fulfilling human nutritional and energy...

In this work, CeO2 nanoparticles, as well as CeO2 nanocomposites with plasmonic silver nanoparticles, were synthesized using a simple sol-gel process. The concentration of silver in the composites varied from 0.031–0.25 wt%. Cerium hydroxide dried gel was calcined at temperatures from 125 to 800 °C to obtain CeO2. It was shown that, at an annealing...

Microplastics from food packaging material have risen in number and dispersion in the aquatic system, the terrestrial environment, and the atmosphere in recent decades. Microplastics are of particular concern due to their long-term durability in the environment, their great potential for releasing plastic monomers and additives/chemicals, and their...

This article presents the results of the synthesis of Se NPs stabilized by a quaternary ammonium compound—catamine AB. Se NPs were obtained by chemical reduction in an aqueous medium. In the first stage of this study, the method of synthesis of Se NPs was optimized by a multifactorial experiment. The radius of the obtained samples was studied by dy...

This work presents the development of a method for the synthesis of calcium silicate nanoparticles stabilized with essential amino acids. CaSiO3 nanoparticles were obtained through chemical precipitation. In the first stage, the optimal calcium-containing precursor was determined. The samples were examined using scanning electron microscopy. It was...

A method for the synthesis of ZnO nanoparticles (ZnO NPs) gels was developed. ZnO NPs were obtained through a sol–gel method with zinc acetate usage as a precursor. Optimization of the method of synthesis of ZnO NPs gel has been carried out. It was observed that the most stable ZnO NPs gels are formed at room temperature, pH = 8 and molar concentra...

The problem of environmental pollution with plastic is becoming more and more acute every year. Due to the low rate of decomposition of plastic, its particles get into food and harm the human body. This chapter focuses on the potential risks and toxicological effects of both nano and microplastics on human health. The main places of distribution of...

In this work, selenium nanoparticles (Se NPs) stabilized with cocamidopropyl betaine were synthesized for the first time. It was observed that Se NPs synthesized in excess of selenic acid had a negative charge with ζ-potential of −21.86 mV, and in excess of cocamidopropyl betaine—a positive charge with ξ = + 22.71 mV. The resulting Se NPs with posi...

Increasing concern of consumers on sustainability issues leads to high demand for new alternative protein-based products to alter animal origin meat in the market. Meat alternatives, like cultured meat, are new in the market and consumers are skeptical to consume cultured meat, so an improvement in functionality and sensory quality pose to be impor...

Conventional meat consumption has triggered an environmental burden along with effects on different disease spectrums according to existing research. The dietary patterns adopted by consumers significantly impact both planetary and individual health. Interventions are needed to support the protein transition. However, there is not yet an overview o...

Mushroom powders, as functional food ingredients, have attracted much attention in recent years. In the present study, four drying methods, i.e., freeze drying (FD), hot air drying (HAD), microwave drying (MWD), and sun drying (SD), were investigated to determine the effects on the structure and lipid profile of mushroom powder. The morphology of t...

The thesis concerns the study results of the water acoustic treatment influence on its physico-chemical properties. Besides, the authors present the wastewater treatment results of food industry enterprises using superadditive pulse discharge technology with the acoustic treatment. The obtained results demonstrated that the studied technology had a...

This paper presents the results of the development of a technology to obtain a nanostructured coating for the protection of overhead wires and the possibility of their application in the electric power industry. The paper provides an analysis of available data on methods of combating ice in different countries, ways to protect the surface of metals...

Environmentally intense and negative consequences relateing to conventional meat production systems have induced some actors to suggest alternative meat sources. Diseases carried by animals, human perception of cruelty to animals, and public health concerns about cardiovascular diseases have provided the basis for the development of cultured meat....

Cultured meat, also known as ‘in-vitro meat’ or ‘clean meat’, holds the potential solution to environmental sustainability along with conventional meat alternatives, including plant-based meat, insects, algae, and pulses. A critical step to its widescale acceptance is consumer perception. Both qualitative research and quantitative analysis are bein...

Packaging is a key tool to serve as a vehicle for communication between customers and the food industry. The food industry is continually investigating new technologies to improve and promote new food packaging aspects. Currently, nanotechnology has become one of the most promising trends for food packaging. This systematic review aims to elaborate...

In this work we have developed a nanoscale composite protective preparation for car paint and varnish coatings. We developed methods to obtain SiO2-TiO2, TiO2-ZrO2, SiO2-ZrO2 and SiO2-TiO2-ZrO2 nanocomposites, which are crystallization centers for the formation of a nanoscale composite protective coating with certain morphology and roughness. The p...

In this work, we obtained silver nanoparticles stabilized with polyvinylpyrrolidone, ranging in size from 70 to 110 nm, which exhibits good crystallinity and anisotropic structure. For the first time, we studied the influence of the molar ratio of silver between silver and peroxide on the oxidation process of the nanoparticles and determined the re...

The aim of this work is to study the effect of synthesis parameters on the average hydrodynamic radius of vitamin E micelles (alpha-tocopherol acetate). A multivariate experiment was carried out, including 3 input parameters and 3 levels of variation. The following parameters were chosen as input parameters: synthesis temperature (t), vitamin E con...

In this article, we presents the synthesis and research of a tool for removing metal inclusions from the surface of car paint coatings. The optimal composition of the product was determined, which includes sodium laureth sulfate, citric acid, sulfosalicylic acid, hydrogen peroxide and water. As a result of the conducted studies, a connection was es...

The dispersed composition of milk and the properties of its dispersed phases significantly affect the quality of dairy products and its processing. Therefore, the problem of research and control of the dispersed composition of milk is quite important. The article describes the applicability of photon correlation spectroscopy for the analysis and di...

Insects need a sufficient quantity of macro- and micronutrients in their diet for maximising their growth, development, and reproduction. To achieve high efficiency in the mass production of a particular insect species, the quality of the diet given must be considered, both in terms of its chemical (nutrients) and physical (hardness and form) chara...

Chlorophytum genus has been extensively studied due to its diverse biological activities. We evaluated the methanolic extract of leaves of Chlorophytum comosum (Green type) (Thunb.) Jacques, the species that is less studied compared to C. borivilianum. The aim was to identify phytoconstituents of the methanolic extract of leaves of C. comosum and b...

The low income as a farmer in developing country drives to change the profession and to be a worker in the Indonesia crispy snacks industry. This research aims to identify and analyze the factors influencing Journal of Hygienic Engineering and Design 136 laborer migration from the agricultural profession to non-agricultural-based industry due to co...

The application of inter-and intraspecific nitrogen supplements is considered to be the most economical means for higher production and income of maize. In the current study, we evaluated the effect of integrated fertilizer on the growth, yield component, and economic analysis of maize, Azam variety. Azam is a white flint maize genotype that was de...

The low income as a farmer in developing country drives to change the profession and to be a worker in the Indonesia crispy snacks industry. This research aims to identify and analyze the factors influencing laborer migration from the agricultural profession to non-agricultural-based industry due to country side industrialization.This study used pr...

The application of inter- and intraspecific nitrogen supplements is considered to be the most economical means for higher production and income of maize. In the current study, we evaluated the effect of integrated fertilizer on the growth, yield component, and economic analysis of maize, Azam variety. Azam is a white flint maize genotype that was d...

The dispersed composition of milk and the properties of its dispersed phases significantly affect the quality of dairy products and its processing. Therefore, the problem of research and control of the dispersed composition of milk is quite important. The article describes the applicability of photon correlation spectroscopy for the analysis and di...

The need for transparency in health and food safety always confronts customers with questions such as product content, the origin of production, production processes, additives used, and the status of ethical factors in the production process. These factors seem to be answered transparently in clean-label foods. This is why the clean label is incre...

The study of the effect of yeast and planktonic strains of algae on the animal body is relevant in theoretical and practical aspects, since the question of the effect of yeast additives on the body as a whole and, in particular, on some productive indicators, has not been sufficiently studied. In this regard, with the intensification of herd reprod...

Finding new, safe strategies to prevent and control rheumatoid arthritis is an urgent task. Bioactive peptides and peptide-rich protein hydrolyzate represent a new trend in the development of functional foods and nutraceuticals. The resulting tissue hydrolyzate of the chicken embryo (CETH) has been evaluated for acute toxicity and tested against ch...

Within the framework of this study, the effect of nanoparticles of the essential trace element selenium stabilized by Polyvinylpirrolidone (PVP) C15 (8 ± 2 kDa) and ascorbic acid on the germination of barley seeds has been studied. Selenium nanoparticles stabilized by PVP C15 (8 ± 2 kDa) and ascorbic acid, characterized by a spherical shape, monodi...

To solve the problem of insufficient intake of essential macro - and micronutrients into the human body, particularly in the case of the essential trace element Zinc, the possibility of enriching a socially significant product (milk) with various forms of Zinc is considered. The influence of Zinc-containing compounds on the colloidal milk system's...

Selenium, being an essential trace element, plays an important role in the human and animal organisms. Selenium compounds are widely used in various fields of science and technology: from feed additives in agriculture and drugs with increased therapeutic activity against malignant neoplasms in medicine to optically active quantum dots in electronic...

This study highlights the possibility of computing microtomography application in food engineering. Standard methods for identifying bone inclusions in sausage products were compared to the proposed method of computing microtomography. The disadvantages of chemical and histological analysis in determining the content of mechanically separated meat...