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Removal of Antimicrobial and Analgesic Drugs from Water via Electro- and Photo-oxidation
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130085
N. A. Ivantsova, V. V. Kuznetsov, V. I. Tikhonova, A. A. Churina
{"title":"Removal of Antimicrobial and Analgesic Drugs from Water via Electro- and Photo-oxidation","authors":"N. A. Ivantsova,&nbsp;V. V. Kuznetsov,&nbsp;V. I. Tikhonova,&nbsp;A. A. Churina","doi":"10.1134/S1070363224130085","DOIUrl":"10.1134/S1070363224130085","url":null,"abstract":"<p>A comparative assessment of the efficiency of nitrofural, tetracycline, and paracetamol degradation in model pharmaceutical effluent solutions was conducted using anodic oxidation and UV exposure. The electro- and photo-oxidation of the antimicrobial drugs nitrofural and tetracycline achieved removal rates of up to 99% and 90%, respectively, while paracetamol removal reached 80 and 50%. Degradation rate constants were calculated. Anodic oxidation was found to be 1.5–2 times more effective than photooxidation in degrading active pharmaceutical substances. The role of active particles formed in the anodic zone and during UV treatment in the oxidative degradation of pharmaceutical-origin organic eco-pollutants was theoretically substantiated.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3500 - 3504"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Phytomonitoring in Donbass for Identifying New Geochemical Anomalies
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130048
I. I. Zinicovscaia, A. I. Safonov, N. S. Yushin, V. N. Nespirnyi, E. A. Germonova
{"title":"Phytomonitoring in Donbass for Identifying New Geochemical Anomalies","authors":"I. I. Zinicovscaia,&nbsp;A. I. Safonov,&nbsp;N. S. Yushin,&nbsp;V. N. Nespirnyi,&nbsp;E. A. Germonova","doi":"10.1134/S1070363224130048","DOIUrl":"10.1134/S1070363224130048","url":null,"abstract":"<p>In Central Donbass, during 2018–2019, active environmental monitoring using mosses <i>Ceratodon purpureus</i> (Hedw.) Brid allowed identification of previously unreported geochemical anomalies not associated with the region’s established geochemical background. As part of the phytomonitoring program, indicators based on morphological parameters of plant health were used, including the total manifestations of atypical polymorphism in the generative parts of flowering plants such as <i>Centaurea diffusa Lam</i>., <i>Cichorium intybus L.</i>, and <i>Tripleurospermum inodorum (L.) Sch. Bip</i>. Through analysis of 46 elements and plant marker characteristics, a correlation was established between the accumulation of zinc in moss gametophytes and in the flowers and inflorescences of these plants, highlighting the impact of anthropogenically transformed ecotopes in the Donbass area over the 2013–2023 period.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3472 - 3482"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the Ecological State of the Gatchinsky District of the Leningrad Region
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130279
A. V. Kulinkovich, U. M. Malikov, A. K. Belaia, V. A. Silanteva
{"title":"Analysis of the Ecological State of the Gatchinsky District of the Leningrad Region","authors":"A. V. Kulinkovich,&nbsp;U. M. Malikov,&nbsp;A. K. Belaia,&nbsp;V. A. Silanteva","doi":"10.1134/S1070363224130279","DOIUrl":"10.1134/S1070363224130279","url":null,"abstract":"<p>The article explores the Leningrad region, which is heavily impacted by human activities. Several industrial enterprises in this area exhibit high energy consumption and manage significant quantities of toxic and radioactive substances, posing potential dangers to both the population and the environment. The socio-economic development of the Gatchina municipal district, located in the heart of the Leningrad region, is closely connected to the growth of St. Petersburg. Gatchina is classified as an area with a high degree of urbanization. Additionally, the presence of solid waste landfills that serve St. Petersburg affects the Gatchina district significantly, contributing to negative environmental impacts. When evaluating the ecological status of water bodies in the Leningrad region, special attention is given to the monitoring of the basins of Lake Ladoga and the Gulf of Finland.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3650 - 3654"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress of Chemistry and Ecology. Part II: Polycyclic Aromatic Hydrocarbons and Other Pollutants
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130267
G. T. Frumin
{"title":"Progress of Chemistry and Ecology. Part II: Polycyclic Aromatic Hydrocarbons and Other Pollutants","authors":"G. T. Frumin","doi":"10.1134/S1070363224130267","DOIUrl":"10.1134/S1070363224130267","url":null,"abstract":"<p>This paper offers a concise literature review of the most significant chemical substances that contaminate water bodies, soil, and air. It examines priority chemical substances, including polycyclic aromatic hydrocarbons (PAHs), organochlorine compounds, polychlorinated biphenyls (PCBs), dioxins, and dioxin-containing compounds. The paper also provides examples of the toxic effects these substances can have on human health.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3643 - 3649"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362111","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regulation of Transport and Catabolism of Pentoses in Soil-Inhabiting Microscopic Fungi
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130231
O. I. Bolotnikova, N. P. Mikhailova, T. A. Bolotnikova, N. V. Kvasha
{"title":"Regulation of Transport and Catabolism of Pentoses in Soil-Inhabiting Microscopic Fungi","authors":"O. I. Bolotnikova,&nbsp;N. P. Mikhailova,&nbsp;T. A. Bolotnikova,&nbsp;N. V. Kvasha","doi":"10.1134/S1070363224130231","DOIUrl":"10.1134/S1070363224130231","url":null,"abstract":"<p>The literature review is devoted to the analysis of factors regulating the utilization of D-xylose and L-arabinose, structural components of various plant biomass wastes, by soil microscopic fungi. The data on transport, initial stages of catabolism of these pentoses in the context of microorganism adaptation to starvation conditions, osmotic and oxidative stresses are systematized. The possibilities of using soil microscopic fungi for complex utilization of plant wastes associated with the production of renewable energy sources, sugar substitutes, and organic acids are discussed.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3617 - 3626"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362115","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrochemical Characteristics of Lake Pleshcheyevo and the Trubezh River
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S107036322413036X
I. E. Stepanova
{"title":"Hydrochemical Characteristics of Lake Pleshcheyevo and the Trubezh River","authors":"I. E. Stepanova","doi":"10.1134/S107036322413036X","DOIUrl":"10.1134/S107036322413036X","url":null,"abstract":"<p>The hydrochemical characteristics of Lake Pleshcheyevo and the Trubezh river were studied. It is noted that already at a distance of 1.5 km from the river mouth, a water mass is formed, the composition of which, according to the studied components, is little different from the main water mass of the lake. Pollution of the Trubezh river by biogenic elements occurs at the site “vil. Krasnoe ‒ estuary” due to non-sewage runoff from the territory of Pereslavl-Zalessky and untreated sewage from enterprises located on the riverbanks within the city limits. According to the studied indicators, the lake can be assessed as eutrophic.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3576 - 3585"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modern Approaches to Disposal of Polymers for Household Use
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130152
A. P. Voznyakovskii, D. Rashidov, S. Kh. Tabarov, I. V. Shugalei, F. Kh. Sodikov, Sh. P. Ismatov, A. Yu. Neverovskaya, A. A. Vozniakovskii
{"title":"Modern Approaches to Disposal of Polymers for Household Use","authors":"A. P. Voznyakovskii,&nbsp;D. Rashidov,&nbsp;S. Kh. Tabarov,&nbsp;I. V. Shugalei,&nbsp;F. Kh. Sodikov,&nbsp;Sh. P. Ismatov,&nbsp;A. Yu. Neverovskaya,&nbsp;A. A. Vozniakovskii","doi":"10.1134/S1070363224130152","DOIUrl":"10.1134/S1070363224130152","url":null,"abstract":"<p>In the present work, we solved the problem of converting low-density polyethylene waste into a powder state as the first stage of involving plastic in the biogeochemical processes of its natural degradation. Acceleration of the fragmentation of polyethylene waste was ensured by adding 2D graphene structures (few-layer graphenes, FLGs), obtained by carbonization of precursors represented by natural materials (glucose, starch, cellulose, lignin, cedar bark, and Sosnowski’s hogweed biomass), to the polymer matrix. It was shown that polyethylene modification with few-layer graphenes leads to a sharp drop in elasticity of the resulting composites compared to the original polyethylene. At the same time, the strength of the composite under deformations acceptable for disposable polymer products remains at the level of the original polymer, which provides the necessary service life of products made from the proposed composites. The FLGs obtained by carbonization of lignin and cedar bark were suggested as optimal modifiers for obtaining polyethylene-based composites such that products thereof can be involved in microbial recycling.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3554 - 3560"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361624","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of Priority PAHs in Lake Baikal Bottom Sediments at the Selenga River Confluence
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130127
I. S. Khalikov
{"title":"Distribution of Priority PAHs in Lake Baikal Bottom Sediments at the Selenga River Confluence","authors":"I. S. Khalikov","doi":"10.1134/S1070363224130127","DOIUrl":"10.1134/S1070363224130127","url":null,"abstract":"<p>The study presents data on the concentration of polycyclic aromatic hydrocarbons (PAHs) in bottom sediments of Lake Baikal’s coastal zone, specifically in the Selenga shallow waters, during 2018–2023. Using high-performance liquid chromatography (HPLC) with fluorometric detection, the content of 16 priority PAHs was measured, ranging from 12.3 to 218.8 ng/g, with an average of 74.9 ng/g (<i>n =</i> 88). Higher PAH concentrations were observed near river discharges, particularly in the Ust-Kharauz stream. The bottom sediments in the Selenga landfill were classified as having a “low” level of PAH contamination (Σ PAH &lt; 100 ng/g). Divergence coefficient analysis of PAH profiles allowed the sampling stations to be grouped into two groups: Cluster No. 1 (southwestern part of the Selenga WDS) and Cluster No. 2 (northeastern part). The mixed origin of PAHs (pyrogenic and petrogenic) in bottom sediments was determined using molecular ratios analysis, which revealed an increasing proportion of pyrogenic sources and anthropogenic influence from the northeast to the southwest of the Selenga shallow waters.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3528 - 3536"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Progress of Chemistry and Ecology. Part I: Classification of Pollutants. Heavy Metals
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S107036322413022X
G. T. Frumin
{"title":"Progress of Chemistry and Ecology. Part I: Classification of Pollutants. Heavy Metals","authors":"G. T. Frumin","doi":"10.1134/S107036322413022X","DOIUrl":"10.1134/S107036322413022X","url":null,"abstract":"<p>A brief literature review is presented on the priority of the (most significant) heavy metals (mercury, lead, cadmium, arsenic) polluting water bodies, soils, and atmospheric air. Examples of the toxic effects of these metals on human health are provided.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3611 - 3616"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143362116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transport of Toxic Substances into the Terek River from Central Caucasus Rivers
IF 0.9 4区 化学
Russian Journal of General Chemistry Pub Date : 2025-02-07 DOI: 10.1134/S1070363224130115
L. Z. Zhinzhakova, E. A. Cherednik
{"title":"Transport of Toxic Substances into the Terek River from Central Caucasus Rivers","authors":"L. Z. Zhinzhakova,&nbsp;E. A. Cherednik","doi":"10.1134/S1070363224130115","DOIUrl":"10.1134/S1070363224130115","url":null,"abstract":"<p>This study assesses the pollution of the Terek River, one of the main water sources in Kabardino-Balkaria, which flows through the North Caucasus republics. The Terek’s waters, entering the territory of Kabardino-Balkaria from the Republic of North Ossetia-Alania, are combined with the waters of the Malka River, which receives inflow from more than ten rivers, before continuing towards the Caspian Sea. Between 2021 and 2023, ongoing studies focused on the concentration of soluble compounds of heavy metals (Cr, Ni, Mo, Pb, Zn, Mn) and nitrogen forms (NO<sub>2</sub><sup>‒</sup>, NO<sub>3</sub><sup>‒</sup>, and NH<sub>4</sub><sup>+</sup>) in the Terek River basin. To measure the concentrations, methods including atomic-absorption spectroscopy, potentiometric techniques, and spectrophotometry were employed. The actual water discharge was determined to calculate the amount of pollutants carried by the Terek River from Kabardino-Balkaria between 2021 and 2023. Based on the average water discharge over the three-year period, the transport of toxic substances (Cr, Ni, Mo, Pb, Zn, Mn, NO<sub>2</sub><sup>‒</sup>, NO<sub>3</sub><sup>‒</sup>, and NH<sub>4</sub><sup>+</sup>) from Kabardino-Balkaria was calculated. The results are presented in tabular form.</p>","PeriodicalId":761,"journal":{"name":"Russian Journal of General Chemistry","volume":"94 13","pages":"3520 - 3527"},"PeriodicalIF":0.9,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143361627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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