Search Results - "Efremov, D. A."
-
1
Polymorphism of smolts of pink salmon Oncorhynchs gorbuscha in the Indera River (Kola Peninsula)
Published in Journal of ichthyology (01-09-2016)“…Pink salmon introduced into the White Sea started to exploit as spawning grounds middle and upper reaches of the river 20 years after its appearance in the…”
Get full text
Journal Article -
2
Effects of Salinity on Lipid Composition in Juvenile Pinc Salmon Oncorhynchus gorbuscha (Salmonidae)
Published in Journal of ichthyology (01-06-2023)“…Lipid and fatty acid modifications induced by the effects of various salinity patterns on the juvenile pink salmon Oncorhynchus gorbuscha (the Olkhovka River…”
Get full text
Journal Article -
3
Changes in the Activity of Na+/K+-ATPase and in the Lipid Composition of the Gills of Pink Salmon Oncorhynchus gorbuscha (Salmonidae) from the White Sea in the Course of Spawning Migration
Published in Journal of ichthyology (01-04-2024)“…Data are presented on changes in the activity of the membrane-bound osmoregulatory enzyme Na + /K + -ATPase and lipid composition in the gills of pink salmon…”
Get full text
Journal Article -
4
Change in Activities of Enzymes of Energy and Carbohydrate Metabolism in Pink Salmon Oncorhynchus gorbuscha (Walb.) Smolts with Change in Environmental Salinity
Published in Doklady. Biological sciences (11-10-2024)“…Activities of key enzymes of energy and carbohydrate metabolism (cytochrome c oxidase (COX), lactate dehydrogenase (LDH), aldolase, glucose 6-phosphate…”
Get full text
Journal Article -
5
Cortisol Content and Na+/K+-ATPase Activity under Adaptation of Juvenile Pink Salmon Oncorhynchus gorbuscha (Salmonidae) to Salinity Changes
Published in Journal of ichthyology (01-09-2021)“…The experimental study yielded new data on changes in the activity of Na + /K + -ATPase and the level of cortisol in juvenile pink salmon Oncorhynchus…”
Get full text
Journal Article -
6
Activity of Energy and Carbohydrate Metabolism Enzymes in the Juvenile Pink Salmon Oncorhynchus gorbuscha (Walb.) during the Transition from Freshwater to a Marine Environment
Published in Biology bulletin of the Russian Academy of Sciences (01-09-2021)“…Biochemical adaptations of energy metabolism and some pathways of glucose oxidation during a change in salinity of the environment in larvae and smolts of the…”
Get full text
Journal Article -
7
Na+/K+-ATPase Activity in Smolts of Pink Salmon Oncorhynchus gorbuscha (Walbaum, 1792) from the White Sea Exposed to Fresh, Estuarine, and Sea Water
Published in Doklady. Biological sciences (01-11-2021)“…The Na + /K + -ATPase (NKA) activity in smolts of pink salmon Oncorhynchus gorbuscha (a salmon species introduced in 1959 into the rivers of the Kola…”
Get full text
Journal Article -
8
Food Differentiation of Juvenile Brown Trout Salmo trutta L. as a Mechanism for Expanding the Food Supply of the Population
Published in Russian journal of ecology (01-05-2020)“…The feeding habits of brown trout (age 2+ and 3+ years) in the small Orzega River (Lake Onega basin) are analyzed with an autumn decrease in the number of…”
Get full text
Journal Article -
9
Correction of gastrocardial syndrome in patients with hernias of the esophageal orifice of the diaphragm during antireflux operations
Published in Medicinskij sovet (08-01-2022)“…Introduction . Hernia of the esophageal opening of the diaphragm in 90% of cases is the main cause of the development of reflux esophagitis. The doctrine…”
Get full text
Journal Article -
10
Dynamics of Lipid and Fatty Acid Content at Early Ontogenesis Stages in Pink Salmon Oncorhynchus gorbuscha (Walbaum, 1792) in a Natural Environment (Indera River, Kola Peninsula)
Published in Russian journal of developmental biology (01-07-2019)“…— A comparative study of lipid and fatty acid status at the early stages of pink salmon’s ontogenesis has been carried out in prespawn eggs, at the stage of…”
Get full text
Journal Article -
11
Lipid Profile of the Young Atlantic Salmon Salmo salar L. in the Letnyaya Zolotitsa River (Arkhangelsk Oblast, White Sea Basin)
Published in Journal of ichthyology (01-05-2019)“…The lipid status of juvenile Atlantic salmon Salmo salar L. at the age of 0+, 1+, 2+, and 3+ was studied in the Letnyaya Zolotitsa River (the White Sea basin)…”
Get full text
Journal Article -
12
Current State of Conditions for Reproduction of the Black Sea Trout Salmo trutta labrax in the Mzymta River
Published in Journal of ichthyology (2018)“…Conditions of reproduction and distribution of the Black Sea trout Salmo trutta labrax in the basin of the Mzymta River after Olympic objects′ construction are…”
Get full text
Journal Article -
13
Ecological and Biochemical Status of the Atlantic Salmon Salmo salar L. and the Brown Trout Salmo trutta L. at Early Stages of Development
Published in Biology bulletin reviews (2020)“…A review of original and published data on the biochemical status of two salmonid species, the Atlantic salmon Salmo salar L. and the brown trout Salmo trutta…”
Get full text
Journal Article -
14
The ecology of the freshwater form of the Atlantic salmon Salmo salar L., the brown trout Salmo trutta L., and the freshwater pearl mussel Margaritifera margaritifera L. in Syuskyuyanyoki River (Basin of Lake Ladoga)
Published in Biology bulletin of the Russian Academy of Sciences (2017)“…The locations and the area of the spawning–growing grounds have been assessed in the Syuskyuyanyoki River (the basin of Lake Ladoga), as has the population…”
Get full text
Journal Article -
15
Effects of high oxygen concentrations on microbial biosensor signals. Hyperoxygenation by means of perfluorodecalin
Published in Biosensors & bioelectronics (01-10-1998)“…Amperometric biosensors register oxygen depletion in response to analyte catabolism, and thus are limited by the availability of dissolved oxygen. Microbial…”
Get full text
Journal Article -
16
Immunochemical study of the heterogeneity of trophoblastic beta 1-glycoprotein
Published in Biulleten' eksperimental'noi biologii i meditsiny (01-04-1987)“…It has been found that in mild acid (pH 6.6) and mild-alkaline media (pH 7.7) both pregnancy proteins form complete precipitates. In more alkaline buffer…”
Get more information
Journal Article -
17
Molecular amd crystal structure of 1-methoxy-and 1-(2?-chloroethoxy)-2-oximino-3-methyl-4-nitro-3-phospholene 1-oxides
Published in Journal of structural chemistry (01-03-1988)Get full text
Journal Article -
18
Phosphoric Anhydride in Organic Synthesis. Migration of the Dihydroxyphosphoryl Group in Amides
Published in Phosphorus, sulfur, and silicon and the related elements (01-01-1999)“…Acyclic and cyclic amides are phosphorylated by phosphoric anhydride. The phosphorylated acyclic amides exhibit a pronounced tendency to N-O reversible or…”
Get full text
Journal Article -
19
Immunochemical study of heterogeneity of trophoblastic β1-glycoprotein
Published in Bulletin of experimental biology and medicine (01-04-1987)Get full text
Journal Article -
20
Synthesis and biological activity of carboxylic acid derivatives carrying sulfur-containing groups in the β-position
Published in Pharmaceutical chemistry journal (01-07-1986)Get full text
Journal Article