73 results match your criteria: "⊥Photochemistry Center RAS[Affiliation]"
Int J Nanomedicine
January 2025
Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center RAS, Kazan, Russian Federation.
Nanotechnology has emerged as a revolutionary domain with diverse applications in medicine, and one of the noteworthy developments is the exploration of bacterial magnetosomes acquired from magnetotactic bacteria (MTB) for therapeutic purposes. The demand for natural nanomaterials in the biomedical field is continuously increasing due to their biocompatibility and eco-friendly nature. MTB produces uniform, well-ordered magnetic nanoparticles inside the magnetosomes, drawing attention due to their unique and remarkable features.
View Article and Find Full Text PDFNanomaterials (Basel)
November 2024
Faculty of Physics, St. Petersburg State University, Universitetskaya Emb. 13B, 199034 St. Petersburg, Russia.
Heliyon
October 2024
Marwadi University Research Center, Department of Mechanical Engineering, Faculty of Engineering & Technology, Marwadi University, Rajkot, 360003, Gujarat, India.
Intermittent renewable energy sources such as solar and wind necessitate energy storage methods like employing phase change materials (PCMs) for latent heat thermal energy storage (LHTES). However, the low thermal conductivity of PCMs limits their thermal response rate. This paper reviews recent progress in active heat transfer augmentation methods for improving LHTES system performance, encompassing mechanical aids, vibrations, jet impingement, injection, and external fields.
View Article and Find Full Text PDFNanomaterials (Basel)
August 2024
Submicron Heterostructures for Microelectronics, Research and Engineering Center RAS, Politekhnicheskaya Street, 26, 194021 St. Petersburg, Russia.
Compositional control over vapor-liquid-solid III-V ternary nanowires based on group V intermix (VLS IIIVV NWs) is complicated by the presence of a catalyst droplet with extremely low and hence undetectable concentrations of group V atoms. The liquid-solid and vapor-solid distributions of IIIVV NWs at a given temperature are influenced by the kinetic parameters (supersaturation and diffusion coefficients in liquid, V/III flux ratio in vapor), temperature and thermodynamic constants. We analyze the interplay of the kinetic and thermodynamic factors influencing the compositions of VLS IIIVV NWs and derive a new vapor-solid distribution that contains only one parameter of liquid, the ratio of the diffusion coefficients of dissimilar group V atoms.
View Article and Find Full Text PDFBiology (Basel)
August 2024
Laboratory for Zoology and Parasitology, Institute of Ecology of Volga River Basin RAS, Samara Federal Research Scientific Center RAS, Togliatti 445003, Russia.
The taxonomic status of many species of the family Cyclocoelidae is still unclear. Two species of cyclocoelids, and , were collected from the air sacs of birds ( and ) inhabiting the Middle Volga region (European Russia). Here, we provide the first detailed morphological description of these cyclocoelids and combine it with the first molecular phylogenetic analysis of Cyclocoelidae from birds in Russia based on partial sequences of their 28s rDNA and coI mtDNA genes.
View Article and Find Full Text PDFNanomaterials (Basel)
June 2024
Ioffe Institute, 26 Politekhnicheskaya, St Petersburg 194021, Russia.
We study recombination processes in nitride LEDs emitting from 270 to 540 nm with EQE ranging from 4% to 70%. We found a significant correlation between the LEDs' electro-optical properties and the degree of nanomaterial disorder (DND) in quantum wells (QWs) and heterointerfaces. DND depends on the nanoarrangement of domain structure, random alloy fluctuations, and the presence of local regions with disrupted alloy stoichiometry.
View Article and Find Full Text PDFPlants (Basel)
February 2024
Samara Federal Research Scientific Center RAS, Institute of Ecology of the Volga Basin RAS, 10, Komzina, Togliatti 445003, Russia.
J Helminthol
January 2024
Laboratory for Biodiversity, Institute of Ecology of Volga River Basin RAS, Samara Federal Research Scientific Center RAS, Togliatti, 445003, Russia.
Five spp. parasitize bats in European Russia: , , , , and Their identification is difficult due to a high morphological similarity. The morphological variability of these species is poorly studied.
View Article and Find Full Text PDFFront Aging
December 2023
Departments of Biology and Medicine, University of Rochester, Rochester, NY, United States.
Biology (Basel)
May 2023
Samara Federal Research Scientific Center RAS, Institute of Ecology of Volga River Basin RAS, 445003 Togliatti, Russia.
Nematodes of the genus are common parasites of the small intestine of amphibians and reptiles. Our recent molecular analysis of nematodes revealed that only , which possesses high morphological variability, parasitizes amphibians and reptiles in European Russia. Here we present the study of nematodes from the European green toad (Anura, Bufonidae) collected at different localities of the Middle Volga region in 2018-2022.
View Article and Find Full Text PDFInt J Mol Sci
May 2023
Laboratory of Molecular and Cell Biology, All-Russia Research Institute for Agricultural Microbiology, Saint Petersburg 196608, Russia.
PLoS One
March 2023
Department of Zoology and Ecology, Penza State University, Penza, Russia.
Trematode infection of the second intermediate hosts can lead to changes in their fitness and, as a result, a change in the invasion rate of animal communities. It is especially pronounced during the invasion of parasite species that reduce activity due to the manipulation of hosts through the changes of their morphology and physiology. One of these cases is an anomaly P syndrome hotspot found in some populations of water frogs and toads in Europe caused by the trematode Strigea robusta metacercariae.
View Article and Find Full Text PDFPlants (Basel)
March 2023
Presidium of Irkutsk Scientific Center, Siberian Branch, Russian Academy of Sciences, 134, Lermontov St., 664033 Irkutsk, Russia.
Halophytes represent important models for studying the key mechanisms of salt tolerance. One approach to the development of new knowledge of salt tolerance is to study the properties of detergent-resistant membranes (DRMs). In this work, the lipid profiles of DRMs of chloroplasts and mitochondria of euhalophyte Willd, before and after their exposure to shock concentrations of NaCl, have been investigated.
View Article and Find Full Text PDFDokl Biochem Biophys
December 2022
Samara Federal Research Scientific Center RAS, Samara, Russia.
Twenty-four potato (Solanum tuberosum L.) varieties differing in ripening groups (early, middle-early, and mid-season-ripening) were studied. Potatoes were grown under the conditions of the Middle Volga region of Russia in 2019-2021.
View Article and Find Full Text PDFMaterials (Basel)
February 2023
Osipyan Institute of Solid State Physics RAS, 142432 Chernogolovka, Russia.
X-ray diffraction and scanning electron microscopy were used to study changes in the structure of amorphous alloys under deformation by high-pressure torsion and multiple rolling. The change in mean nearest neighbor distance (the radius of the first coordination sphere) under deformation was determined. During deformation, shear bands are formed in amorphous alloys, which are regions of lower density compared to the surrounding undeformed amorphous matrix.
View Article and Find Full Text PDFSensors (Basel)
December 2022
Samara Federal Research Scientific Center RAS, Institute for the Control of Complex Systems RAS, 443020 Samara, Russia.
Single-coil eddy current sensors (SCECS) form a separate and independent branch among the existing eddy current probes. Such sensors are often used for aviation and aerospace applications where the conditions accompanying the measuring process are harsh and even extreme. High temperatures (up to +600 °C in the compressor and over +1000 °C in the turbine of gas turbine engines), the complex shape surfaces of the monitored parts, the multidimensional movement of the power plants' structural elements, restrictions on the probes number and their placement in the measuring zone are the main factors affecting the reliability and accuracy of the measurement results obtained by the sensors.
View Article and Find Full Text PDFInt J Mol Sci
October 2022
Institute of Biochemistry and Genetics Ufa Federal Research Center RAS, Prospekt Oktyabrya 71, 450054 Ufa, Russia.
Anthocyanins are well-known antioxidants that are beneficial for plants and consumers. Dihydroflavonol-4-reductase () is a key gene of anthocyanin biosynthesis, controlled by multiple transcription factors. Its expression can be enhanced by mutations in the negative regulator of anthocyanin biosynthesis myeloblastosis family transcription factor-like 2 ().
View Article and Find Full Text PDFDiagnostics (Basel)
July 2022
Laboratory of Laser Molecular Imaging and Machine Learning, National Research Tomsk State University, 634050 Tomsk, Russia.
This study was aimed to investigate the applicability of the exosome fluorescence-lifetime imaging microscopy (FLIM) for colorectal cancer (CRC) diagnosis. Differential ultra-centrifugation was used to extract exosomes from the blood plasma of 11 patients with colon polyps (CPs) and 13 patients with CRC at the T2-4, N0-3, and M0-1 stages. Analysis was performed using a two-photon FLIM device.
View Article and Find Full Text PDFBiology (Basel)
June 2022
Joint Directorate of the Mordovia State Nature Reserve, National Park "Smolny", Saransk 430005, Russia.
Morphological variability of trematodes from bats (Chiroptera) is poorly studied. Since the variability of adult digenean specimens may be rather high, morphological features are often insufficient for the identification of closely related species, and confirmation with the use of molecular data is required. The aim of our study was to combine the morphological and molecular phylogenetic analyses of several bat trematodes from the genera and (Pleurogenidae): , , , , and , of which and are little known in European Russia.
View Article and Find Full Text PDFZool Stud
October 2021
Samara Federal Research Scientific Center RAS, Institute of Ecology of Volga River Basin RAS, Komzina str. 10, Togliatti 445003, Russia. E-mail: (Golovatyuk); (Zinchenko).
Saline rivers are highly productive ecosystems in arid regions. The meiobenthic community (bottom meiofauna) and its dominant representatives are one of the least studied components of these aquatic ecosystems. Ostracods and are major consumers among the species of bottom meiofauna in saline rivers flowing into the hyperhaline Lake Elton (Volgograd Region, Russia).
View Article and Find Full Text PDFFront Plant Sci
April 2022
Laboratory of Molecular and Cellular Biology, All-Russia Research Institute for Agricultural Microbiology, Saint Petersburg, Russia.
Plant cell differentiation is based on rearrangements of the tubulin cytoskeleton; this is also true for symbiotic nodules. Nevertheless, although for indeterminate nodules (with a long-lasting meristem) the organization of microtubules during nodule development has been studied for various species, for determinate ones (with limited meristem activity) such studies are rare. Here, we investigated bacteroid morphology and dynamics of the tubulin cytoskeleton in determinate nodules of four legume species: , , , and .
View Article and Find Full Text PDFInt J Mol Sci
August 2021
Institute of Biochemistry and Genetics, Ufa Federal Research Center RAS, Prospekt Oktyabrya 71, 450054 Ufa, Russia.
CRISPR/Cas, one of the most rapidly developing technologies in the world, has been applied successfully in plant science. To test new nucleases, gRNA expression systems and other inventions in this field, several plant genes with visible phenotypic effects have been constantly used as targets. Anthocyanin pigmentation is one of the most easily identified traits, that does not require any additional treatment.
View Article and Find Full Text PDFObjective: The aim of the study is to identify the consistency of expert opinions when manually identifying the reference points positions for studying the soft-tissue face profile in digital teleradiological images of the skull lateral projection.
Material And Methods: The study involved 11 orthodontists having a 1 to 8 year experience. They localized the reference points manually, using the software with image enhancement options.
Funct Plant Biol
September 2021
Samara Federal Research Scientific Center RAS, Institute of Ecology of Volga River Basin RAS, 10 Komzin St., Togliatti, 445003, Russia.
The capacities of the euhalophyte SaLi-Cornia perennans Willd. and glycohalophyte Artemisia santonica L. to accumulate NaCl, Cu, and Cd, as well as their physiological and biochemical responses to these compounds, was investigated.
View Article and Find Full Text PDFKlin Lab Diagn
June 2021
Tyumen Cardiology Research Center, Tomsk National Research Medical Center RAS.