Results 31 to 40 of about 4,649 (283)

Gemstone Inclusion Study by 3D Raman-Mapping and High-Resolution X-ray Computed Tomography: The Case of Trapiche Emerald from Swat, Pakistan

open access: yesCrystals, 2022
Gemstones usually contain inclusions as the natural hallmark of their formation. Studies on inclusions may contribute to our understanding of the gem and better adapt to the gems and jewelry industry.
Yujie Gao   +5 more
doaj   +1 more source

In vitro models of cancer‐associated fibroblast heterogeneity uncover subtype‐specific effects of CRISPR perturbations

open access: yesMolecular Oncology, EarlyView.
Development of therapies targeting cancer‐associated fibroblasts (CAFs) necessitates preclinical model systems that faithfully represent CAF–tumor biology. We established an in vitro coculture system of patient‐derived pancreatic CAFs and tumor cell lines and demonstrated its recapitulation of primary CAF–tumor biology with single‐cell transcriptomics ...
Elysia Saputra   +10 more
wiley   +1 more source

Gemstones

open access: yesAmerican Scientist, 2012
The gemstones of ancient Egypt, broadly defined, include all rocks, minerals, and biogenic materials used for jewelry (beads, pendants, ring stones, and cloisonné inlays), amulets, seals, and other small decorative items (figurines, cosmetic vessels, and inlays in furniture and sculpture).
openaire   +3 more sources

Les difficultés de la filière brésilienne face à la nouvelle organisation mondiale du négoce des pierres de couleur

open access: yesConfins, 2012
The colored gemstones commoditychains, as most of natural resources exploited, have long consisted as hierarchical trades dominated by the main Western powers.
Aurélien Reys
doaj   +1 more source

Characterization and discrimination of some gem silicate minerals adopting LIBS, FTIR, and Raman spectroscopic techniques

open access: yesAIP Advances, 2023
In this paper, characterization and discrimination of some silicate gems (gemstones and low-gem quality varieties) from ancient Egyptian mines have been performed for the first time adopting molecular and elemental spectroscopic techniques.
Amal Abdelfattah Khedr   +3 more
doaj   +1 more source

Problems Faced by Online Gemstone Traders of NamakMandi market at Pakistani Airports

open access: yesJournal of Business and Social Review in Emerging Economies, 2023
Purpose: This paper analyses the views and experiences of gemstone traders at the NamakMandi (NM) gemstone market. Methodology: The paper draws on the data from a stakeholder’s workshop held at Bacha Khan University Charsadda (Pakistan) and ten (10 ...
Syed Owais   +2 more
doaj   +1 more source

Network divergence analysis identifies adaptive gene modules and two orthogonal vulnerability axes in pancreatic cancer

open access: yesMolecular Oncology, EarlyView.
Tumors contain diverse cellular states whose behavior is shaped by context‐dependent gene coordination. By comparing gene–gene relationships across biological contexts, we identify adaptive transcriptional modules that reorganize into distinct vulnerability axes.
Brian Nelson   +9 more
wiley   +1 more source

Supply Chains Management Batu Mulia Khas Nusantara di Kotamadya Salatiga

open access: yesJurnal Manajemen Teori dan Terapan, 2017
Gemstones typical of the Nusantara in the Salatiga get a very large market and has many consumers militants. Though there is no production of gemstones typical of the Nusantara conducted in Salatiga.
Ricky Arnold Nggili   +1 more
doaj   +1 more source

Dynamics and Applications of Photon-Nanostructured Systems

open access: yesNanomaterials, 2020
In a speedy and complicated word, only a small number of book readers have the time to dig out the hidden “gemstones” between the text lines [...]
Evangelia Sarantopoulou
doaj   +1 more source

A Case Study on Distribution of Gemstone in Bela Ophiolite, District Khuzdar, Balochistan

open access: yesInternational Journal of Economic and Environment Geology, 2022
Bela Ophiolite and suture zone host several types of gemstones in the underlain and overlain rocks such as garnet (demantoid and almandine), quartz, brucite, malachite, chrysocolla, azurite, calcite, natrolite, green chert, jasper, serpentine, agate ...
Salman Khan   +5 more
doaj   +1 more source

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