Results 121 to 130 of about 321,322 (242)

Detection of Heat and Drought Effects on the Photosynthetic Activity Using Solar‐Induced Chlorophyll Fluorescence and a Photochemical Reflectance Index in a Cool‐Temperate Larch Forest in Japan

open access: yesEcological Research, Volume 41, Issue 3, May 2026.
Solar‐induced chlorophyll fluorescence (SIF) and gross primary productivity decline at midday during a short heatwave in a tower site of a larch forest. High atmospheric vapor pressure deficit significantly reduced the photochemical reflectance index (PRI), light‐use efficiency (LUE), and canopy fluorescence emission efficiency (εF).
Tomoki Morozumi   +4 more
wiley   +1 more source

SIRT1 Downregulation by Advanced Glycation End Products Activates RANKL‐Dependent Osteoclast Signaling and Drives Chondrocyte Senescence During Osteoarthritis Development

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
Mechanistic study of AGEs‐induced OA progression via SIRT1/RANKL/RANK signaling‐mediated osteoclast–chondrocyte communication and cellular senescence. ABSTRACT Advanced glycation end products (AGEs) accumulate with aging and metabolic stress and are increasingly implicated in osteoarthritis (OA) pathology.
Yizhou Li   +4 more
wiley   +1 more source

Chinese Position Paper on Biologic Therapy for Allergic Rhinitis

open access: yesAllergy, Volume 81, Issue 5, Page 1354-1369, May 2026.
ABSTRACT Allergic rhinitis (AR) is a common, persistent nasal disorder that poses significant public health challenges worldwide. Current treatment options frequently fail to achieve adequate symptom control in a substantial subset of patients. Over the past two decades, biologic therapies that target type 2 inflammatory pathways have been used to ...
Yuan Zhang   +37 more
wiley   +1 more source

Volga Bulgaria and the Near East (Egypt and Syria) in the 10th – early 13th century (based on archaeological materials)

open access: yesУченые записки Казанского университета: Серия Гуманитарные науки, 2018
The paper discusses archaeological materials testifying to the links of Volga Bulgaria with Syria and Egypt during the pre-Mongol period. It was noted that the appearance of products from Syria, primarily glass ornaments, belongs to the pre-Bulgar era ...
K.A. Rudenko
doaj  

MATERIALS ON THE GENEALOGY OF THE HEREDETARY MUSLIM NOBILITY OF DERBENT

open access: yesHistory, Archeology and Ethnography of the Caucasus
This article offers a novel and in-depth analysis of the structure of the hereditary Muslim nobility in Derbent during the latter half of the 18th century, one of the two principal cities within the East Caucasian khanate that emerged following the ...
Timirlan Aytberov
semanticscholar   +1 more source

Exploring the complexity of community perceptions toward Przewalski's gazelle conservation

open access: yesConservation Science and Practice, Volume 8, Issue 5, May 2026.
To understand local perceptions toward Przewalski's gazelle conservation, we combined two clustering analysis methods to identify four primary types of perspectives and key influencing factors regarding the conservation of Przewalski's gazelle within the local community.
Wenxuan Ma   +5 more
wiley   +1 more source

New data on the city and the environs of Saksin

open access: yesПоволжская археология, 2015
The author analyzes new archaeological data on localization and chronology of the medieval city of Saksin and its region on the Lower Volga. In the 1960s, G.A.
Vasil’ev Dmitry V.
doaj  

Power and Plenty: Trade, War and the World Economy in the Second Millennium (Preface) [PDF]

open access: yes
This book provides the first systematic, integrated, analytical account of the evolution of the international economy during the last millennium. It emphasizes the two-way interaction between trade and geopolitics, and the importance of such interactions
Kevin H. O'Rourke, Ronald Findlay
core  

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