Results 31 to 40 of about 757 (175)

Recognizing Immunoglobulin G4‐Related Overlap Syndromes in Patients with Pancreatic and Hepatobiliary Diseases

open access: yesCanadian Journal of Gastroenterology and Hepatology, Volume 22, Issue 10, Page 840-846, 2008., 2008
The first description of autoimmune pancreatitis and elevated serum immunoglobulin‐G4 (IgG4) in 2001 heralded further reports of several related autoimmune diseases with raised IgG4 levels. It is now recognized that a spectrum of overlap syndromes associated with increased IgG4 and biopsy evidence of IgG4‐producing plasma cells, which has now been ...
Aldo J Montano-Loza   +2 more
wiley   +1 more source

Mineralogy and Geochemistry of Nephrite from Wolay Deposited, Kunar, East Afghanistan

open access: yes, 2022
This research deals with the study of geochemical, petrographic and mineralogical properties of Wolay Nephrite Occurrences in Kunar Province. Nephrite is a relatively silicate mineral, Cyclosilicate, with a chemical composition of Ca2(Mg,Fe)5Si8O22(OH)2 ...
Obiadi, Sayed Shafiualh   +2 more
core   +1 more source

Thinking mechanistically about perceptual learning: Broad consequences for philosophy of mind

open access: yesMind &Language, Volume 40, Issue 2, Page 195-214, April 2025.
Traditionally, philosophy of psychology has individuated mental states functionally or semantically. These approaches have shaped many of the debates surrounding cognitive architecture and perceptual experience. We argue that understanding perceptual learning requires a mechanistic approach, which focuses on the structure of the mental representations ...
Daniel C. Burnston, Madeleine Ransom
wiley   +1 more source

Study of green‐coloured gems of the Roman period from the collections of the Archaeological Museum of Thessaloniki (Greece) and their possible geographic origin

open access: yesJournal of Raman Spectroscopy, Volume 55, Issue 12, Page 1341-1354, December 2024.
Nineteen green‐coloured gems in jewellery of the Roman period from the collections of the Archaeological Museum of Thessaloniki were studied with optical microscope, mobile Raman and Vis‐NIR spectroscopy as well as EDXRF. Seventeen out of nineteen gems were identified as natural emeralds with characteristics similar to Egyptian emeralds.
Maria Nikopoulou   +8 more
wiley   +1 more source

Obsidian in the Caribbean islands? Mysterious Ceramic Age glass artefacts in the Lesser Antilles

open access: yesArchaeometry, Volume 66, Issue 6, Page 1255-1279, December 2024.
Abstract The Caribbean islands witnessed a population expansion of ceramic‐using horticulturalists during the Early Ceramic Age (ca. 500 BC to 750 AD) from the Orinoco Valley to Puerto Rico. We examined 18 lithic artefacts from Guadeloupe and Dominica initially thought to be obsidian, a material believed to be absent from those islands. We investigated
Arthur Leck   +9 more
wiley   +1 more source

Combining Rare Earth Element Analysis and Chemometric Method to Determine the Geographical Origin of Nephrite

open access: yes, 2022
Nephrite is a high-valued gem material, whose geographical origin determination is a topic of interest to both consumers and producers since the geographic origin determines its price and reputation. In the present study, we suggest a two-step method for
Mingxing Yang, Yue Su
core   +1 more source

Siglec‐1, an easy and contributory inflammation marker in rheumatology

open access: yesClinical &Translational Immunology, Volume 13, Issue 7, 2024.
In this study, we found that Siglec‐1 expression on monocytes correlates with the interferon score. In our setting, Siglec‐1 expression can reveal interferon inflammation in rheumatological disorders and in infections, even with normal erythrocyte sedimentation rate or C‐reactive protein.
Valentina Boz   +10 more
wiley   +1 more source

Origin of Light-Colored Nephrite Relative to Green Nephrite in Ospa, Russia

open access: yes
In serpentinite-related green nephrite, light-colored nephrite commonly occurs as veins or interlayers at nearly every nephrite locality. However, its characteristics have been poorly understood.
Yihan Li, Guanghai Shi, Jinhong Zhang
core   +1 more source

Nephrite Jade in West Pakistan

open access: yes, 1963
Two pebbles of the nephrite variety of jade were found by the author in 1955 in the river bed of the Teri Toi in Kohat District of former North-West Frontier Province of West Pakistan; the positive identification of the compositions of the pebbles was ...
B. C. M. Butler
core   +1 more source

A New Type of White Nephrite from Limestone Replacement along the Kunlun–Altyn Tagh Mountains: A Case from the Mida Deposit, Qiemo County, Xinjiang, China

open access: yes, 2023
The recently discovered Mida nephrite deposit, located in the East Kunlun Mountains, Qiemo County, Xinjiang, Northwest China, contains new types of white and greenish white nephrite formed by limestone replacement, which shows microstructures ...
Linjing Zhang   +5 more
core   +1 more source

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