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Article
Identification of Optically Active Quartet Spin Centers Based on a Si Vacancy in SiC Promising for Quantum Technologies
Optically active (bright) and optically inactive (dark) quartet S = 3/2 spin color centers including a negatively charged Si vacancy have been identified in silicon carbide using high-frequency electron nuclear d...
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Article
Changes in the Population of Immature Neurons in the Piriform Cortex of Experimental Animals Studies in the Long-Term Period after Early Life Stress
Stress in the early period of life is an important factor predisposing to the development of pathology of the nervous system in animals and human beings in the late period of ontogenesis. We modeled early-life...
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Article
Relaxation Processes and Coherent Spin Manipulations for Triplet Si–C Divacancies in Silicon Carbide Enriched Tenfold in the 13C Isotope
Coherent spin manipulations of ensembles of color centers in the form of neutral VSi–VC divacancies with the spin \(S = 1\) i...
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Article
Open AccessManifestations of Electron–Nuclear Interactions in the High-Frequency ENDOR/ODMR Spectra for Triplet Si–C Divacancies in 13C-Enriched SiC
The frequencies of electron–nuclear interactions with 13C and 29Si nuclei on remote coordination spheres are determined in triplet spin centers in the form of neutral VSi–VC divacancies in a silicon carbide cryst...
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Article
Cells of Cerebrovascular Endothelium and Perivascular Astroglia in the Regulation of Neurogenesis
The blood–brain barrier (BBB) is a constellation of cells within the neurovascular unit of the brain that perform the barrier function, being also involved in the mechanisms of neuroplasticity. The BBB permeab...
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Article
Intercellular Transport of Mitochondria: Molecular Mechanisms and Role in Maintaining Energy Homeostasis in Tissues
Mitochondria play a central role in energy metabolism and cell survival. They often undergo structural and dynamic changes under various types of stress and impaired energy homeostasis. In addition to the intr...
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Article
Mechanisms of Cerebral Angiogenesis in Health and Brain Pathology
This literature review assesses the characteristics of the cerebral microcirculatory system. The development and maturation of the microcirculation of the brain includes complex interactions between endothelia...
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Article
Features of the In Vitro Expression Profile of Hippocampal Neurogenic Niche Cells during Optogenetic Stimulation
In the central nervous system of mammals, there are specialized areas, known as neurogenic niches, in which neurogenesis is observed in the postnatal period. It is believed that astrocytes in the composition o...
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Article
Influence of Antisite Defects in Yttrium–Aluminum Garnet on Paramagnetic Centers of Ce3+ and Tb3+
In yttrium aluminum garnet (YAG) crystals containing terbium and cerium impurities, along with the main EPR signals of Tb3+ and Се3+ ions located in the dodecahedral sites of the YAG lattice in a regular environm...
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Article
Specific Features of a High-Frequency Electron Paramagnetic Resonance Spectrometer with Frequency Modulation
A high-frequency electron paramagnetic resonance spectrometer with frequency modulation has been developed. Advantages of the applied method for recording spectra of paramagnetic centers with giant fine-struct...
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Article
Evidence of the Excitation of Mn2+ Spin-Dependent Photoluminescence in Manganese-Doped Yttrium Aluminum Garnets
Mn2+ ions in yttrium positions have been studied by means of optically detected magnetic resonance (ODMR) via Mn2+ spin-dependent emission in manganese-doped yttrium aluminum garnet crystals. It was shown that th...
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Article
Application of High-Frequency Electron Paramagnetic Resonance/Electron Spin Echo for the Identification of the Impurity Composition and Electronic Structure of Ceramics Based Garnets
Electron paramagnetic resonance (EPR) spectra of Ce3+, Yb3+, Cr3+, and Gd3+ impurity ions in yttrium aluminum garnet Y3Al5O12 (YAG) ceramics were detected and identified at frequency of 94 GHz. The advantage of m...
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Article
Group III Acceptors with Shallow and Deep Levels in Silicon Carbide: ESR and ENDOR Studies
Results of investigations of Group III acceptors (B, Al, and Ga) in crystals of silicon carbide using the most informative electron spin resonance and electron nuclear double resonance methods are presented. S...
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Article
High-spin europium and gadolinium centers in yttrium–aluminum garnet
Electron-spin resonance spectra of Eu2+ and Gd3+ centers substituting Y3+ ions in single-crystal yttrium–aluminum garnet have been studied and the parameters of their rhombic spin Hamiltonian have been determined...
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Article
The Gd–Ce Cross-Relaxation Effects in ODMR via Ce3+ Emission in Garnet Crystals
Electron paramagnetic resonance (EPR) in the ground state of Gd3+ ions in (LuGd)3 Al5O12 single crystals has been found by monitoring the Ce3+ photoluminescence intensity under circularly polarized excitation in ...
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Article
Family of paramagnetic centers of Ce3+ ions in yttrium aluminum garnet
The electron paramagnetic resonance (EPR) spectra of Ce3+ ions in single crystals of yttrium aluminum garnet have been investigated. It has been found that, in addition to the usually observed EPR signals of Ce3+
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Article
Induction of Apoptosis in Bone Marrow Cells is Mediated via Purinergic Receptors
ATP activity in mouse bone marrow cells was in vitro estimated by expression of phosphatidylserine on the outer membrane surface using FITC-labeled annexin. ATP induced apoptosis in bone marrow cells. Purinergic ...
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Article
Induction of apoptosis in bone marrow cells is mediated via purinergic receptors
ATP activity in mouse bone marrow cells wasin vitro estimated by expression of phosphatidylserine on the outer membrane surface using FITC-labeled annexin. ATP induced apoptosis in bone marrow cells. Purinergic r...
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Article
Blebbing of Thymocyte Plasma Membrane and Apoptosis are Related to Impairment of Capacitance Ca2+ Entry into Cells
We studied the role of disturbances in cell Ca2+ homeostasis in plasma membrane blebbing and death of thymocytes. Capacitance Ca2+ channels of the plasma membrane and intracellular Ca2+ stores are involved in the...
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Article
Doxorubicin Modulates Biological Effects of ATP in Bone Marrow Cells In Vitro
ATP activity in mouse bone marrow cells was studied in in vitro experiments. ATP in physiological and supraphysiological concentrations stimulated blebbing of the plasma membrane. Subacute administration of do...
