Results 61 to 70 of about 7,435 (212)

Diagnostic Value of IgA Antibody Measurement in Tick-Borne Spotted Fever (Astrakhan Rickettsial Fever)

open access: yesMicrobiology spectrum, 2022
Tick-borne spotted fevers caused by Rickettsia occur worldwide. The symptoms of this bacterial infection are similar to the symptoms of viral infection, and thus, diagnostic accuracy has special clinical importance.
Nina S. Smirnova   +5 more
semanticscholar   +1 more source

Hyalomma marginatum in Europe: The Past, Current Status, and Future Challenges—A Systematic Review

open access: yesTransboundary and Emerging Diseases, Volume 2025, Issue 1, 2025.
Hyalomma marginatum is a prominent tick vector responsible for transmitting various pathogens, including the Crimean–Congo hemorrhagic fever virus (CCHFV), across Europe. This systematic review consolidates findings from 144 publications regarding the geographical distribution of H. marginatum and its associated pathogens.
Seyma S. Celina   +2 more
wiley   +1 more source

Phytotoxicity and insectoacaricidal activity of actinomycetes isolated from saline soils of arid territory

open access: yesЮг России: экология, развитие, 2020
Aim. The purpose of these studies is to assess the phytotoxicity and insectoacaricidal activity of actinomycetes culture fluid. The results of phytosanitary monitoring on plantings of crops indicate the massive development of pathogens of viral ...
L. N. Grigoryan   +4 more
doaj   +1 more source

ETHNOPOLITICAL PICTURE OF ASTRAKHAN ACCORDING TO THE MATERIALS OF THE ''PHYSICAL'' EXPEDITION OF THE ACADEMY OF SCIENCES IN 1768–1774.

open access: yesHistory, Archeology and Ethnography of the Caucasus, 2022
Ethno-political processes and the ethnic-confessional image of Astrakhan in the second half of the 18th century have been the subject of several scientific publications and studies, but the problem has not been fully exhausted.
G. Mkhitaryan
semanticscholar   +1 more source

First molecular diagnosis of the human pathogen Rickettsia raoultii and other spotted fever group rickettsiae in Sudanese ixodid ticks from domestic ruminants

open access: yesVeterinary Medicine and Science, Volume 10, Issue 6, November 2024.
In this manuscript, the authors collected ixodid ticks and examined the presence of Rickettsia species by PCR. By performing sequencing and phylogenetic analysis, the authors identified the presence of four different Rickettsia species in three tick species found on three mammalian hosts.
Nagwa Eisawi   +5 more
wiley   +1 more source

Experience of pond cultivation for red-clawed crayfish in the Astrakhan Region

open access: yesIzvestiya TINRO
Results of red-clawed crayfish cultivation in pond aquaculture in the Astrakhan Region are presented. Growing of Australian red-claw crayfish Cherax quadricarinatus juveniles in ponds with different distribution density and periods of cultivation within ...
O. Pyatikopova   +3 more
semanticscholar   +1 more source

STAGES OF DEVELOPMENT AND ARCHITECTURAL AND URBAN PLANNING SIGNIFICANCE OF THE FIRST GENERAL PLAN OF ASTRAKHAN (1767–1769)

open access: yesBulletin of Belgorod State Technological University named after V G Shukhov, 2022
The history of a large-scale program of urban reconstruction and construction on model projects in the second half of the 18th century has been sufficiently studied in the fundamental works of Soviet researchers.
S. Berezkin
semanticscholar   +1 more source

Medieval monuments of the Lower Volga Region: preli­minary results of the expedition

open access: yesЗолотоордынское обозрение
From September 9 to 14, 2024, employees of the the Usmanov Center for Research on the Golden Horde and Tatar Khanates of the Marjani Institute of History of the Tatarstan Academy of Sciences carried out an expedition to the Lower Volga Region.
Giniyatullina L.S.
doaj   +1 more source

NAMES OF WATER ASTRAKHAN REGION

open access: yesHUMANITARIAN RESEARCHES, 2021
This article is devoted to the Astrakhan regional names of water bodies. The research is based on the material of maritime and regional dictionaries of the 19th-20th centuries. The names of reservoirs represent a system, the elements of which are naturally connected by certain relationships.
openaire   +1 more source

Investigation of the oil capacity of natural deposits in the Astrakhan region

open access: yesOil and gas technologies and environmental safety
The article deals with the issues of studying the absorption capacity of oil and petroleum products (oil capacity) by a natural sorbent- the flask of the Central Kamennoyarsk field of the Astrakhan region.
Irina Vladimirovna Savenkova   +2 more
semanticscholar   +1 more source

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