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Journal articles on the topic 'Complex substances'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Todosiichuk, T. S., V. V. Klochko, Ya I. Savchuk, and O. P. Kobzysta. "New Antibiotic Substances of the Streptomyces albus Enzybiotic Complex." Mikrobiolohichnyi Zhurnal 81, no. 5 (2019): 62–72. http://dx.doi.org/10.15407/microbiolj81.05.062.

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Lyublinskiy, S. L., I. N. Lyublinskaya, E. M. Koloskova, et al. "Technological Aspects of Obtaining Liposomes Containing of a Complex of Biologically Active Substances Isolated from Deer Musk." Journal Biomed 17, no. 4 (2021): 18–37. http://dx.doi.org/10.33647/2074-5982-17-4-18-37.

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In order to preserve and increase the biological effectiveness of biologically active substances isolated from deer musk, we studied technological aspects of obtaining a substance of lipid-stabilized stable nanoparticles from deer musk. The stability of the obtained substance was evaluated. It was found that homogenization under high pressure is an optimal approach to obtaining biologically active substances from deer musk. The modes of preparation of a liposomal form of biologically active substances with predetermined dispersion parameters (average particle diameter 250 ± 100 nm, polydispers

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3

Olesia, Bilous, Sytnik Natalia, Bukhkalo Svitlana, et al. "DEVELOPMENT OF A FOOD ANTIOXIDANT COMPLEX OF PLANT ORIGIN." Eastern-European Journal of Enterprise Technologies 6, no. 11 (102) (2019): 66–73. https://doi.org/10.15587/1729-4061.2019.186442.

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An antioxidant complex has been developed for use in oils, fats, and food products, which must be enriched with biologically active substances of plant origin. Rational conditions have been examined for obtaining of water-ethanol extracts from plant raw materials: oak bark, eucalyptus leaves, and green tea leaves. An antioxidant has been derived capable of preventing the oxidation of fat-containing products, preserving their high nutritional value. The antioxidant substances of natural origin will make it possible to create products, balanced in composition, with prolonged shelf life while pre

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., Dharuvika, Priya R. Avinash, and Robin Victor. "Neurocognitive Impairment in Opioid Dependence Syndrome." Indian Journal of Behavioural Sciences 27, no. 01 (2024): 75–79. http://dx.doi.org/10.55229/ijbs.v27i1.11.

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Substance use is a chronic condition characterized by remissions and relapses.1 Substance use disorder, commonly referred to as addiction, is a complex and chronic medical condition characterized by the harmful or hazardous use of substances. It affects the brain and behavior, leading to an inability to control one’s use of these substances despite the negative consequences.

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Sosin, Denis Vladimirovich, Andrey Viktorovich Yevseyev, Edgar Andreyevich Parfenov, and Petr Dmitriyevich Shabanov. "Dynamics of energy metabolism under action of new selenium containing metal-complex substance." Reviews on Clinical Pharmacology and Drug Therapy 12, no. 1 (2014): 19–25. http://dx.doi.org/10.17816/rcf12119-25.

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The value of standard energy metabolism had measured on rats after intragastral (oral) administration of the new selenium containing metal-complex substance πQ1983 in dose 100 mg/kg. The well-known antihypoxant amthizol was used as a substance of comparison in a same dose. The substance πQ1983 administered 90 min before study was shown to decrease the activity of energy processes in organism from 194.4 ± 0.7 kcal/day/kg to 74.5 ± 0.5 kcal/day/kg but effect of amthizol was not reliable. It was revealed also that both substances (πQ1983 significantly, amthizol slightly) decreased the oxygen cons

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Tustin, Richard D. "Review of Studies Regarding Assessment of Families Where Children Are at Risk of Harm Due to Parental Substance Misuse." International Journal of Environmental Research and Public Health 22, no. 4 (2025): 612. https://doi.org/10.3390/ijerph22040612.

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Questions arise about links between the use of substances and violence, especially when parents misuse substances and there is potential to expose children to family violence. Background. The review has four aims: identify research into the harmful impacts of parental substance use on children; identify policies in Australia about the risks from parental substance misuse; identify interventions to manage unsafe parental substance use; and review practices involving confidentiality and collaboration when a parent has multiple complex needs. Method. The paper provides a rapid review of the liter

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Ovsyanikov, Vikt V., E. R. Beznosova, L. Z. Tsypko, L. I. Filins’kyy, and Vl V. Ovsyanikov. "Determination of dielectric permeability of substances by electromagnetic waveguide method." Journal of Physics and Electronics 28, no. 1 (2020): 85–90. http://dx.doi.org/10.15421/332014.

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A method for determining the complex permittivity of substances by the electromagnetic (EM) waveguide method in the microwave range using electrodynamics and the theory of multilayer dielectric structures is considered. The expression for the complex reflection coefficient of an EM wave in a waveguide with a substance sample is studied. Calculations of the dielectric constant of substances are carried out by analytical and numerical methods using computers. To obtain the desired complex permittivity of a substance, we use the relationship between the expression for the reflection coefficient m

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8

Kronen, John, та Jacob Tuttle. "Composite Substances as True Wholes: Toward a Modified Nyāya-Vaiśeṣika Theory of Composite Substances". Canadian Journal of Philosophy 41, № 2 (2011): 289–316. http://dx.doi.org/10.1353/cjp.2011.0015.

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In the Categories Aristotle defined substance as that which is neither predicable of nor in another. In saying that a substance is not predicable of another, Aristotle meant to exclude genera and species from the category substance. Aman is a substance but not man. In saying that a substance is not in another, Aristotle meant to exclude property particulars from the category. A man is a substance, not his color.The Categories treats substances as simples. Though a particular substance, Bucephalus the horse, has parts, it is nevertheless a single entity in the category substance and, hence, inc

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Kolpaksidi, A. P., M. V. Dmitrieva, L. L. Nikolaeva, O. L. Orlova, and I. I. Krasniuk. "Obtaining a Water-soluble Form of Hydrophobic Indolelocarbazole Derivative Using Solubilizer Complex." Drug development & registration 12, no. 1 (2023): 70–75. http://dx.doi.org/10.33380/2305-2066-2023-12-1-70-75.

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Introduction. LHS-1269 is an indolocarbazole derivative with high antitumor activity. Due to the hydrophobic properties of the active substance, the use of organic co-solvents – dimethyl sulfoxide (DMSO) and ethanol – is required to obtain an injectable dosage form (DP). However, the inclusion of organic solvents in the composition of the DF carries a potential risk of side effects as a result of the use of the drug.Aim. Selection of auxiliary substances for obtaining an aqueous solution of hydrophobic indolecarbazole derivative, which allows minimizing the concentration of organic solvents in

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Louw, Kerry-Ann. "Substance use in pregnancy: The medical challenge." Obstetric Medicine 11, no. 2 (2018): 54–66. http://dx.doi.org/10.1177/1753495x17750299.

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Substance use contributes significantly to the global burden of disease. Growing numbers of women use nicotine, alcohol, and illicit substances. Women are the most vulnerable to problematic substance use in their reproductive years. The first 1000 days of life, starting at conception, have been established as a critical window of time for long-term health and development. Substance use in pregnancy is associated with negative pregnancy and child health outcomes. The impact of antenatal substance use on these outcomes needs to be considered within a challenging and complex context. This review

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Sosin, Denis Vladimirovich, Andrey Viktorovich Yevseyev, Edgar Andreyevich Parfenov, Vitaliy Andreyevich Pravdivtsev, Marina Anatolyevna Yevseyeva та Petr Dmitriyevich Shabanov. "HYPOTHERMIC EFFECT OF ANTIHYPOXANTS πQ1983 AND πQ2170". Reviews on Clinical Pharmacology and Drug Therapy 10, № 4 (2012): 78–82. http://dx.doi.org/10.17816/rcf10478-82.

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In experiments on mice the influence of the new antihypoxants (selenium containing metal complex substances πQ1983, πQ2170) on rectal temperature level dynamic after parenteral and enteral introductions was studied. It is established that both substances perform clear dose-dependent hypothermic effect exceeding an action of the antihypoxant amthizole. Was supposed that substance πQ2170 has high acute toxicity affirmed by significant mice death-rate.

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Evseev, Andrey V., Dmitrij V. Surmenev, Marina A. Evseeva, Denis V. Sosin, and Yana V. Tishkova. "Comparative analysis of metal-complex and aminothiol antihypoxants efficiencies in the experiment." Reviews on Clinical Pharmacology and Drug Therapy 16, no. 2 (2018): 18–24. http://dx.doi.org/10.17816/rcf16218-24.

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Aim. Comparative analysis of the efficiency of metal-complex (πQ1983, πQ2721) and aminothiol (Amtizole, Sunazole) antihypoxants in experiments on rats exposed to acute hypoxia with hypercapnia. Methods. Experiments performed on 182 male rats of Wistar line weighing 150-170 g. The study of antihypoxic activity of substances was carried out on the model the AH+Hc. The condition of acute hypoxia in rats was formed by placing them in glass airtight containers with a free volume of 1.0 L. Antihypoxic effect was evaluated by the life expectancy of animals in the described conditions. Substances πQ27

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Avdeev, Yaroslav G., Tatyana A. Nenasheva, Andrey Y. Luchkin, Andrey I. Marshakov, and Yurii I. Kuznetsov. "Complex Inhibitor Protection of Some Steels in Hydrochloric Acid Solutions by 1,2,4-Triazole Derivatives." Materials 18, no. 2 (2025): 464. https://doi.org/10.3390/ma18020464.

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The behavior of low-carbon steels (LCSs), a high-strength steel and a nickel–chromium alloy in HCl solutions in the presence of N-containing organic substances has been studied. N-containing organic substances that comprise 1,2,4-triazole in their structure (substance I and substance II) provide comprehensive protection of various steel grades from corrosion and hydrogen absorption by the metal bulk in HCl solutions under both isobaric and isochoric conditions. All the compounds studied reduce, to varying degrees, the concentration of hydrogen adsorbed and absorbed by steel in HCl solutions. T

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Abdullayev, Ş. N., F. Y. İbadullayev, E. H. Nəsirov, A. R. Qüdrətli, and A. R. Qüdrətli. "HÖVSAN AERASİYA STANSİYASINDA TEXNOLOJİ PROSES ZAMANI ƏMƏLƏ GƏLƏN İZAFİ LİLİN TƏDQİQİ." “Water Problems: science and technologies” 1, no. 1 (2021): 75–81. http://dx.doi.org/10.30546/wtst.2020.1.75.

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Abstract. hovsan Aeration Station provides treatment and processing of wastewater in baku. The amount of annual sludge here reaches 2 million cubic meters. These sludges contain complex multicomponent substances of organic and mineral origin. Taking this into consideration, we analyzed surplus sludge that generated during the technological process at hovsan Aeration Station. The studied surplus sample is a substance that is thickened in the mechanical workshop of the station, and then the substances are dehydrated in a centrifuge. They consist of a complex polydisperse system. The study of sur

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Malook, M. V., O. S. Matrosov, S. M. Kramarev, and O. V. Shtemenko. "New nitrification inhibitors based on copper(II) complex compounds." Voprosy Khimii i Khimicheskoi Tekhnologii, no. 3 (June 2023): 94–102. http://dx.doi.org/10.32434/0321-4095-2023-148-3-94-102.

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The work presents the results of research aimed at the synthesis of new nitrification inhibitors based on complex compounds of Cu2+ with 4-amino-1,2,4-triazole (ATC) and dicyandiamide (DCD). The purpose of the conducted work is the synthesis of new nitrification inhibitors based on complex copper compounds followed with subsequent studies of their structure, properties and biological activity. Four compounds of different compositions were obtained. A number of physical and chemical properties of substances were established: thermal behavior, and solubility in the KAS-28 system (a saturated sol

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Sadiyeva, Kh R., A. K. Kozhakhan, Sh N. Kubekova, G. Z. Zhanasova, I. K. Alimgaliyev, and Zh M. Nigmetov. "SYNTHESIS OF NITROGEN-PHOSPHORUS-SULFUR COMPLEX FERTILIZERS." Mechanics and Technologies, no. 3 (September 30, 2024): 328–37. http://dx.doi.org/10.55956/iaql7532.

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Study of the chemical composition of sulfur-containing substances isolated from oil by chemical and physicochemical methods. Use of the studied sulfur-containing substances for the preparation of NPK(S) and NP(S) fertilizers.

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Sniezhkin, Yu, Zh Petrova, Yu Novikova, and A. Petrov. "Technology of complex processing of peat." Energy and automation, no. 5(51) (October 28, 2020): 32–41. http://dx.doi.org/10.31548/energiya2020.05.032.

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Every country tries to be independent in everything, first of all it is necessary to have a high level of use of own energy resources. Due to the energy crisis, the transition from traditional energy sources to the integrated implementation of alternatives is relevant. The purpose of the study is complex processing of peat for fuel and extraction of humic substances for fertilizer production. Studies of extraction of humic substances were performed on a laboratory stand EI-10, which reproduces the work of a pulsating dispersant with an active diaphragm. The classical technology of extraction o

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18

Huemer, H. P. "Possible Immunosuppressive Effects of Drug Exposure and Environmental and Nutritional Effects on Infection and Vaccination." Mediators of Inflammation 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/349176.

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A variety of drugs which are not primarily considered to be immunosuppressive agents have been described to modulate the humoral and cellular immune response in humans or animals. Thereby they may have an influence on the effectiveness and possible side effects of vaccines. This mini review lists some of the different substance classes and also some of endogeneous, infectious, nutritional, and environmental influences with suspected capability to interfere with immunizations. Studies in most cases focused on substances with known immunosuppressive functions, but there is growing evidence for i

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Mehta, Sumit, Rashmi Yadav, Mohan Dhyani, and Priya Ranjan Avinash. "Evaluation of Knowledge and Attitude toward Substances of Abuse and Reasons for Taking Psychoactive Substances among Patients Abusing Illicit Substances." Annals of Indian Psychiatry 7, no. 3 (2023): 217–20. http://dx.doi.org/10.4103/aip.aip_95_23.

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Abstract Background: Drug abuse is a complex phenomenon, which has various social, cultural, and biological aspects. Knowledge and attitude toward substances of abuse among users are of vital importance for their prevention and treatment, especially in adolescents, as it is the age when the majority of drug users start the use of various substances. Methods: One hundred patients of opioid dependence admitted to a psychiatry ward were assessed using a semi-structured pro forma, which assessed the knowledge, reasons for initiating, and attitude toward substances on a Likert scale. The age of the

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Liu, Xin, and Zahra Ahmadi. "H2O and H2S adsorption by assistance of a heterogeneous carbon-boron-nitrogen nanocage: Computational study." Main Group Chemistry 21, no. 1 (2022): 185–93. http://dx.doi.org/10.3233/mgc-210113.

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A model of heterogeneous carbon-boron-nitrogen (C-B-N) nanocage was investigated in this work for adsorbing H2O and H2S substances. To achieve this goal, quantum chemical calculations were performed to obtain optimized configurations of substances towards the surface of nanocage. The calculations yielded three possible configurations for relaxing each of substances towards the surface. Formation of acid-base interactions between vacant orbitals of boron atom and full orbitals of each of oxygen and sulfur atoms yielded the strongest complexes of substance-nanocage in comparison with orientation

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Sosin, Denis Vladimirovich, Andrey Viktorovich Yevseyev, and Petr Dmitriyevich Shabanov. "SAFETY OF NEW SUBSTANCES WITH PROTECTIVEACTIVITY IN ACUTE EXOGENOUS HYPOXIA." Reviews on Clinical Pharmacology and Drug Therapy 10, no. 4 (2012): 58–62. http://dx.doi.org/10.17816/rcf10458-62.

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In the article are represented results of both acute toxicities and safety determination of selenium-containing metal-complex substances πQ1983, πQ2170 that have high pharmacological activities in acute exogenous hypoxia after their introperitoneal or enteral introductions in mice. According with established parameters LD50 the couple of studied substances must be referred to the category of high toxic chemical agents. However, substance πQ1983 can be recommended for its preclinical investigation because it has enough permissible parameters of ED50 and therapeutic indexes.

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Maiti, Tanay, Debapriya Bhattacharya, Rishika Jain, and Ganesh Shanker. "Addiction and pregnancy: A complex and unhealthy psychosocial affair." Indian Journal of health sexuality and Culture 7, no. 1 (2021): 87–91. https://doi.org/10.5281/zenodo.5151926.

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Abstract Addiction, addictive behaviors, or their consequences are often of health concern and hold various psychosocial and cultural implications. As a part of this broader impact of any substance abuse; women, of any age are often marginalized and ignored. Therefore, equal access and chance to get basic and proper health care facilities are often hampered. This escalates detrimentally in a further vulnerable state of pregnancy with substance use disorders, either as a preexisting practice or sometimes as a newly learned behavior. Apart from the teratogenic effect of various commonly used psy

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Howe, Russell F., Xiaoqiao Lu, James Hook, and W. David Johnson. "Reaction of aquatic humic substances with aluminium: a 27 Al NMR study." Marine and Freshwater Research 48, no. 5 (1997): 377. http://dx.doi.org/10.1071/mf95142.

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27Al NMR spectroscopy showed that humic substances from swamp water can complex aluminium(III) ion. At the relatively low concentration of 0.002 M humic substances, the 27 Al NMR spectrum shows only one peak, with a chemical shift at 6.5 ppm. As the concentrations of the humic substances increased, the 27 Al NMR spectra showed three peaks with chemical shifts at 6.5, 12.4, and 16.5 ppm, respectively, indicating that there are at least three complexing species formed in the solutions of humic substance at the different concentrations. Humic substances from surface soil, peat and brown coal also

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Waterhouse, Andrew L. "Consumer Labels can Convey Polyphenolic Content: Implications for Public Health." Clinical and Developmental Immunology 12, no. 1 (2005): 43–46. http://dx.doi.org/10.1080/10446670410001722249.

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Polyphenolics are a large group of related substances. Many of these, in fact much of that found in food, is composed of processing-derived substances too complex for complete identification. Recent studies have suggested likely benefits for diets high in polyphenols, particular in reducing heart disease mortality, but other benefits have also been suggested. A consumer label based on the major polyphenolic classes is both manageable and fairly informative as most foods do not contain all possible classes. Differences between class member can be significant, but data on individual substances i

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Barcellos-Silva, Ian Gardel Carvalho, Ananda da Silva Antonio, Mateus Curty Cariello da Silva, et al. "The Selective Extraction of Natural Sesquiterpenic Acids in Complex Matrices: A Novel Strategy for Isolating Zizanoic Acid in Vetiver Essential Oil." Separations 12, no. 6 (2025): 163. https://doi.org/10.3390/separations12060163.

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Essential oils are complex mixtures of apolar components, mainly phenylpropanoids, monoterpenes, and sesquiterpenes. Vetiver (Vetiveria zizanioides (L.) Nash) is a non-endemic grass in several tropical regions, widely used for slope stabilization and erosion control because of its long and deep roots that help to bind the soil together, preventing landslides and soil loss. From these roots, vetiver essential oil is obtained, which is extracted and produced worldwide and highly valued for its diverse range of bioactive substances used by the cosmetics and perfume industries. These substances, p

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Shostak, T. A., T. G. Kalyniuk, and L. V. Vronska. "Identification and quantitative determination of the flavonoids of the complex dense extract of st. john's wort herb and pot marigold flowers." Farmatsevtychnyi zhurnal, no. 3-4 (August 14, 2018): 71–79. http://dx.doi.org/10.32352/0367-3057.3-4.17.08.

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Common Saint-John's wort (Hypericum perforatum) and pot marigold (Calendula officinalis) are rich in such biologically active substances (BAS) as carotene, ascorbic acid, essential oils, vitamins, tannin and resinous substances, as well as flavonoids that bear evident wound healing properties and antiulcerous properties. The object of this study was BAR composition of the complex dense herb extract of St. John's wort and flowers of marigolds (1:10). In order to introduce a new herbal substance into medical practice, it is necessary to develop methods for its identification and quantifica

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Pedersen, Finn, and Gitte I. Petersen. "Variability of species sensitivity to complex mixtures." Water Science and Technology 33, no. 6 (1996): 109–19. http://dx.doi.org/10.2166/wst.1996.0087.

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In Denmark, as well as in a few other countries, the regulatory practice for granting permits for discharge of industrial waste water is based on evaluation of the potential effects of both the individual chemical substances in the waste water and the complex waste water itself by establishing “predicted-no-effect-concentrations” (PNECs). The present study was initiated in order to establish an extrapolation method for deriving PNECs for complex mixtures. The toxicity of 5 complex mixtures comprising from 5 to 20 different substances was tested with 5 different species/test systems: the green

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Popova, O. S. "Analysis of the pharmacokinetic properties of a native drug on the basis of a complex of sorbents." Legal regulation in veterinary medicine, no. 1 (April 13, 2023): 70–72. http://dx.doi.org/10.52419/issn2782-6252.2023.1.70.

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Absolutely all preclinical studies involve three groups of experiments: preclinical studies of the pharmacokinetics of the substance, including toxicokinetics, preclinical studies of the pharmacokinetics of the drug and the clinical study of pharmacokinetics on target animals. Pharmacokinetic studies of native drugs are complex because they usually involve the administration of complex components. Thus, only the use of the whole complex of pharmacognostic, chemical, spectral, physicochemical and biological methods can provide an objective assessment of the authenticity and quality of medicinal

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Špinarová, Š., and K. Petříková. "Variability of the content and quality of some active substances within Achillea millefolium complex." Horticultural Science 30, No. 1 (2011): 7–13. http://dx.doi.org/10.17221/3811-hortsci.

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The present paper compares the production of active substances in different subspecies of Achillea millefolium complex growing in the Czech Republic. Representatives of 7 subspecies of A. millefolium complex (A. setacea Waldst. et Kit., A. asplenifolia Vent., A. pratensis Saukel et Langer, A. collina Rchb., A. styriaca Saukel et Langer subsp. bohemica, A. millefolium subsp. millefolium, A. pannonica Scheele) and several natural hybrids of Achillea L. were collected from 75 natural habitats in different parts of the Czech Republic. Plants were cultivated to investigate plant growth and contents

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McCuish, Evan C. "Substance Use Profiles Among Juvenile Offenders: A Lifestyles Theoretical Perspective." Journal of Drug Issues 47, no. 3 (2017): 448–66. http://dx.doi.org/10.1177/0022042617699197.

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Base rates of illicit substances such as cocaine, crack cocaine, and heroin are typically low in community-based studies, which often inhibit more complex multivariate analysis. Additionally, single-item measures and aggregate scales mask within-group differences among those showing versatility in their substance use. Latent class analysis was used to model the substance use profiles of adjudicated female ( n = 98) and male ( n = 378) youth. Alcohol, marijuana, acid, mushrooms, ecstasy, cocaine, crack cocaine, heroin, crystal methamphetamine, and nonmedical use of prescription pills were used

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Bártová, A., and O. Mauer. "The effect of auxinoid application on the planting stock root system." Journal of Forest Science 51, No. 12 (2012): 548–58. http://dx.doi.org/10.17221/4587-jfs.

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The goal of the study was to verify the effect of growth substances from the group of auxinoids on the root system of European beech and Scots pine planting stock. The effect of growth substance application date (spring, summer dipping), the type of growth substance used (IBA, NAA), and the exposition to the growth substance (1, 2, <br />5 hours) were studied. The tests showed that the application of NAA and IBA did not stimulate the root system growth in Scots pine at any exposition of root systems to the growth substances. European beech exhibited a favourable effect of the 5-hour IBA

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Viganò, Edoardo Luca, Erika Colombo, Giuseppa Raitano, et al. "Virtual Extensive Read-Across: A New Open-Access Software for Chemical Read-Across and Its Application to the Carcinogenicity Assessment of Botanicals." Molecules 27, no. 19 (2022): 6605. http://dx.doi.org/10.3390/molecules27196605.

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Read-across applies the principle of similarity to identify the most similar substances to represent a given target substance in data-poor situations. However, differences between the target and the source substances exist. The present study aims to screen and assess the effect of the key components in a molecule which may escape the evaluation for read-across based only on the most similar substance(s) using a new open-access software: Virtual Extensive Read-Across (VERA). VERA provides a means to assess similarity between chemicals using structural alerts specific to the property, pre-define

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Е., В. Ших, and А. Махова А. "Benefits of folate status correction using metafolin-contained vitamin-mineral complex." Reproductive Endocrinology, no. 40 (April 30, 2018): 88–92. https://doi.org/10.18370/2309-4117.2018.40.88-92.

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Folic acid as substance obtained by chemical synthesis and has no own metabolic activity. Metafolin® is a synthetic compound derived from 5-methyl-tetrahydrofolate. Benefits of Metafolin include direct intake of biologically active substances; optimal form and effect of the drug even in case of homozygous and/or heterozygous genotypes 677C→T polymorphism of MTHFR. Considering high prevalence of MTHFR genetic polymorphism and its reduced activity, metafolin-contained vitamin-mineral supplements are preferred as Metafolin is the active form of folic acid which presents high bioavailabil

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Kenofontov, B. S., A. S. Kozodayev, R. A. Taranov, and M. S. Vinogradov. "Treatment of waste water from complex organic substances." Ecology and Industry of Russia 24, no. 7 (2020): 4–7. http://dx.doi.org/10.18412/1816-0395-2020-7-4-7.

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The work deals with solving the problem of extraction of polycyclic hydrocarbons from waste water by using physical and chemical technology, including the use of flotation, settling, filtration, adsorption, ozonation. The use of such a technique makes it possible to significantly reduce the concentration of hazardous substances such as benzapirene in the waste water to be purified. Under certain modes of wastewater treatment using physical and chemical technology, the concentration of benzapirene does not exceed the regulatory values. Prospects for the use of biophlotocombines for the treatmen

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Schüepp, Hannes, and Maja Bodmer. "Complex response of VA‐mycorrhizae to xenobiotic substances." Toxicological & Environmental Chemistry 30, no. 3-4 (1991): 193–99. http://dx.doi.org/10.1080/02772249109357655.

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Siddiqui, Javed Ather, Ali Mahmoud Eldous, Shazia Farheen Qureshi, Hani Matrok Alotaibi, Sameh Hamdan, and Ali Ahmed Almahruqi. "THE PREVALENCE OF SLEEP DISORDERS AMONG SUBSTANCE ABUSERS ADMITTED TO DRUG DE-ADDICTION UNIT AT ERADAH AND MENTAL HEALTH COMPLEX, TAIF, SAUDI ARABIA." Journal of Psychiatry Psychology and Behavioral Research 6, no. 1 (2025): 7–13. https://doi.org/10.21776/ub.jppbr.2025.006.01.2.

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Introduction – Public health is affected by substance abuse, which is associated with high mortality and morbidity rates. A person who suffers from substance use disorder is more likely to suffer from insomnia. The health and social well-being of individuals and communities are adversely affected by these substances. Therefore, in recent years, research has become increasingly interested in the connection between substance abuse and sleep. The main objectives of this study are to evaluate the prevalence of sleep disorders; to investigate any relationship between sleep disorder and impact of sl

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Ksenofontov, B. S., A. S. Kozodaev, R. A. Taranov, and M. S. Vinogradov. "Physico-chemical Wastewater Treatment from Complex Organic Substances Using Flotocombs." Ecology and Industry of Russia 23, no. 12 (2019): 4–8. http://dx.doi.org/10.18412/1816-0395-2019-12-4-8.

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The issues of extraction of complex organic substances from wastewater using physico-chemical methods of coagulation, flotation, adsorption. At the same time, flotation combines of the KBS type are used at the flotation stage, which make it possible to effectively treat wastewater from suspended pollutants and complex organic substances. At the stage of sorption treatment, a deep extraction of complex organic substances occurs up to trace amounts, which allows to achieve the normative quality of water treatment with the possibility of discharge into an open reservoir.

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Khusnutdinova, S. M., F. Sh Khafizov, and I. F. Khafizov. "Determination of the Specific Mass Rate of Multicomponent Petroleum Products Burn-up." Occupational Safety in Industry, no. 10 (October 2021): 49–52. http://dx.doi.org/10.24000/0409-2961-2021-10-49-52.

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The specific mass burn-up rate of combustible substances (materials) in case of a fire, determines the heat release intensity, the temperature of burning, the intensity of fire development and other parameters. Like the rate of flame propagation, the mass burn-up rate depends on the physical and chemical properties of substances, their aggregate state, as well as other factors. The mass burn-up rate is used in modeling the process of fire development, assessment of the rate of heat release and the intensity of the supply of extinguishing agents to fire extinguishing installations. Currently, t

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Lindequist, Ulrike. "Medicinal Mushrooms as Multicomponent Mixtures—Demonstrated with the Example of Lentinula edodes." Journal of Fungi 10, no. 2 (2024): 153. http://dx.doi.org/10.3390/jof10020153.

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Medicinal mushrooms are multicomponent mixtures (MOCSs). They consist of a large number of individual compounds, each with different chemical structures, functions, and possible pharmacological activities. In contrast to the activity of an isolated pure substance, the effects of the individual substances in a mushroom or its extracts can influence each other; they can strengthen, weaken, or complement each other. This results in both advantages and disadvantages for the use of either a pure substance or a multicomponent mixture. The review describes the differences and challenges in the prepar

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Procházka, Pavel, Přemysl Štranc, Jan Vostřel, et al. "The influence of effective soybean seed treatment on root biomass formation and seed production." Plant, Soil and Environment 65, No. 12 (2019): 588–93. http://dx.doi.org/10.17221/545/2019-pse.

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The soya seed was treated before sowing with the following biological active substances: Lignohumate B, Lexin, Lexenzym, brassinosteroid, and "Complex treatment" (a mixture of saturated sugar solution, Lexin, fungicide treatment Maxim XL 035 FS and remedial pinolen substance Agrovital). During growing, the influence of biological active substances on root biomass formation and the activity of bacteria for nitrogen fixation was observed. Evaluated parameters were shoot biomass formation and dry mass formation of plants. Harvest values were considered an important output of the whole year soya g

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Boris, Varinsky, Kucherenko Nataliia, and Kolpakova Olga. "The research of free aminoacids of water-soluble protein-polysaccharide complex of oyster mushroom pleurotus ostreatus." ScienceRise: Pharmaceutical Science, no. 4(14) (August 31, 2018): 32–37. https://doi.org/10.15587/2519-4852.2018.141412.

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Recently, the share of medicinal products of natural origin has increased in the pharmaceutical market of Ukraine. This is due to the fact that the pharmacological effect of natural substances provides a complex of biologically active substances, which has a high therapeutic effect and the minimum number of adverse reactions. Therefore, the study of chemical composition and standardization of natural substances is an important stage in pharmaceutical research. A promising source of active ingredients is the mushroom Pleurotus ostreatus. The chemical composition of this fungus is represented by

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Popova, O. S. "Evaluation of modern enterosorbents: possibilities and prospects." Legal regulation in veterinary medicine, no. 2 (July 21, 2023): 76–79. http://dx.doi.org/10.52419/issn2782-6252.2023.2.76.

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Absolutely all preclinical studies involve three groups of experiments: preclinical studies of the pharmacokinetics of the substance, including toxicokinetics, preclinical studies of the pharmacokinetics of the drug and the clinical study of pharmacokinetics on target animals. Pharmacokinetic studies of native drugs are complex because they usually involve the administration of complex components. Thus, only the use of the whole complex of pharmacognostic, chemical, spectral, physicochemical and biological methods can provide an objective assessment of the authenticity and quality of medicinal

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Muhammadiyeva, Dilafruz. "MEDICINAL PLANTS – SOURCES OF BIOLOGICALLY ACTIVE SUBSTANCES." Journal of Management and Economics 4, no. 5 (2024): 19–21. http://dx.doi.org/10.55640/jme-04-05-04.

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Approximately a third of all medicinal preparations are made from plants or with the participation of substances of plant origin. It is more economical to extract the synthesis of some chemical compounds contained in plants and determining the therapeutic effect of a drug from plant raw materials. It has been established that in a number of cases, the therapeutic effect of plant preparations is determined not only by the main active substance, but by the entire complex contained in it, including sugars, mineral salts, and microelements.

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Trung, Trịnh Thành, Đinh Thị Tuyết Vân, Nguyễn Phương Liên, Đào Thị Lương, and Dương Văn Hợp. "Extraction, purification and characterization of antifungal and antibacterial substances produced from Bacillus velezensis CP 1604." Vietnam Journal of Biotechnology 14, no. 3 (2016): 563–71. http://dx.doi.org/10.15625/1811-4989/14/3/9874.

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Bacillus velezensis is one of the members of the Bacillus subtilis species complex which is generally considered as safety organism. The bacterium possesses several beneficial properties for crops, especially production of antifungal and antibacterial agents against plant pathogens. In this study, we aimed to investigate the biological properties of antimicrobial subtances produced from B. velezensis CP 1604. From liquid culture, substances with activity against Fusarium oxysporum and Xanthomonas oryzae were extracted by means of adsorption with Amberlite XAD-7, extraction from lyophilized pow

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Khan, Muhammad Muslim, Rizwan Farooq, Muntazir Mehdi, Usman Amin Hotiana, Asifa Afzal, and Sabika Hussain. "Socio-Demographic Profile of Psychoactive Substance Users Attending A Tertiary Care Centre." Pakistan Journal of Medical and Health Sciences 16, no. 9 (2022): 736–38. http://dx.doi.org/10.53350/pjmhs22169736.

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Aim: The goal of this analysis is to determine the proportion of psychoactive substance disorder and socio-demographic profile of Psychoactive Substance Users. Study Design: A descriptive study. Place and Duration: In the Psychiatry and Behavioral Sciences department PGMI/AMC/LGH Lahore, Pakistan and Mardan Medical Complex for six months duration from October 2021 to March 2022. Methods: A total of 120 subjects with psychoactive substance use disorder (conferring to the ICD-10 criteria) were recruited after attaining their written informed consent. In the course of the study, all patients with

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Kochetov, Andrei, Valentin Minakov, Elena Fisunova, Tatyana Lavrenova, and Luybov Filonenko. "Acoustic synthesis of feed proteins under conditions of a complex ultrasonic field." E3S Web of Conferences 273 (2021): 13004. http://dx.doi.org/10.1051/e3sconf/202127313004.

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Liquid waste of food industry enterprises contains various valuable organic substances of natural origin, which can be rationally used to obtain feed proteins. The problem of using valuable substances from food waste solves the problem of using biotechnological methods in order to use methods of accumulating biomass, enzymes, vitamins, etc. The biomass of unicellular microorganisms formed in the process of cultivation can be a raw material for obtaining feed additives and other biologically active substances.

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Evseev, Andrey V., Albert E. Belenky, Dmitrij V. Surmenev, Marina A. Evseeva, and Denis V. Sosin. "II-Valent metals complex compounds and prospects of the acute hypoxia protection." Reviews on Clinical Pharmacology and Drug Therapy 17, no. 1 (2019): 53–56. http://dx.doi.org/10.17816/rcf17153-56.

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Aim. To find antihypoxic properties in complex compounds of some divalent metals on the model of acute hypoxia with hypercapnia. Methods. In the experiments on mice in acute hypoxia with hypercapnia (AH+Hc), the protective effect of 6 new complex compounds was studied in comparison with the effectiveness of reference antihypoxants. Substances were injected intraperitoneally 60 min before acute hypoxia with hypercapnia in doses of 25 and 50 mg/kg. Antihypoxic effect was compared with their ability to change the rectal temperature. Results. The most active substance πQ-2116 with Nick

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Waclawovsky, Aline Josiane, Thiago Rozales Ramis, Frederico Diniz Lima, Felipe Barreto Schuch, and Luiz Fernando Freire Royes. "Self-Reported Use of Prohibited Substances and Methods Among Athletes of the Brazilian Delegations." Current Sports Medicine Reports 23, no. 11 (2024): 392–96. http://dx.doi.org/10.1249/jsr.0000000000001208.

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Abstract Use of prohibited substances and methods (doping) by elite athletes is a complex and multifactorial behavior. Understanding the factors associated with doping behavior is crucial to identifying potential intervention targets to reduce doping among this group. However, there are limited data on the prevalence and correlations of self-reported prohibited substance use among Brazilian Olympic athletes. We present data from a cross-sectional, self-reported online survey. Participants were elite Brazilian athletes who participated in the 2020 Olympic and Paralympic Games. A total of 209 at

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Sosin, Denis Vladimirovich, Olga Eugenievna Shalayeva, and Andrei Viktorovich Evseev. "Antihypoxic effects of new metal-complex copper-containing substances." Reviews on Clinical Pharmacology and Drug Therapy 13, no. 3 (2015): 18–23. http://dx.doi.org/10.17816/rcf13318-23.

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In experiments on mice in 3 different models of acute exogenous hypoxia, 12 new substances concerning to a group of copper-containing physiologically compatible antioxidants were investigated. It was discovered that substances πQ262, πQ1077 А and πQ1079 А significantly increase lifetime of mice during development of all used variants of hypoxias. On the example of the most active agents in the studied group (πQ262, πQ1077 A, πQ1079 A) shows that their anti-hypoxic effect on the development of acute exogenous hypoxia is accompanied by a marked decrease in the standard of energy metabolism, as w

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Adekenov, S. M., А. N. Zhabayeva, and G. М. Baisarov. "Water-Soluble Substances of Arglabin." Eurasian Chemico-Technological Journal 22, no. 3 (2020): 205. http://dx.doi.org/10.18321/ectj971.

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The article discusses the results of a study of the water solubility of natural sesquiterpene lactone arglabin, in particular, its ability to complex formation with complexing agents polyvinylpyrrolidone, the disodium salt of glycyrrhizic acid, magnesium carbonate. Mechanocomposites with polyvinylpyrrolidone and disodium salt of glycyrrhizic acid, which have increased water solubility, were obtained by the method of mechanochemical treatment of arglabin native. At the same time, the best result of dissolution in water is achieved by a two-hour treatment with polyvinylpyrrolidone and with disod

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