Results 1 to 10 of about 8,260 (186)

Mitochondrial DNA 16S region and voucher specimen collection of Japanese aquatic Coleoptera and Hemiptera for environmental DNA metabarcoding analyses [PDF]

open access: yesZooKeys
Aquatic coleopteran and hemipteran insects primarily inhabit lentic waters, many of which are at risk of extinction due to development, agriculture, and invasive alien species. Environmental DNA (eDNA) analysis has recently emerged as a powerful tool for
Naoyuki Nakahama   +5 more
doaj   +4 more sources

Results of an experimental and clinical study of new hydrophilic intraocular lens implantation for aphakia correction in cataract surgery

open access: yesОфтальмохирургия, 2022
Purpose. To evaluate results of an experimental and clinical study of new hydrophilic intraocular lens implantation for aphakia correction in cataract surgery. Material and methods.
E.V. Kalinina   +2 more
doaj   +1 more source

A Study on Beryl in the Cuonadong Be-W-Sn Polymetallic Deposit, Longzi County, Tibet, China

open access: yesCrystals, 2021
Recently, aquamarine was discovered in the Cuonadong Be-W-Sn Polymetallic Deposit, Longzi County, Tibet. Longzi aquamarine is being extracted and is expected to be available over the next decade.
Jia-Qi Shen   +6 more
doaj   +1 more source

Gemology, Spectroscopy, and Mineralogy Study of Aquamarines of Three Different Origins

open access: yesCrystals, 2023
New aquamarine deposits have been found around the world in recent years, and how to compare and distinguish aquamarines of different origin has become a significant problem.
Shiyuan Cui   +4 more
doaj   +1 more source

Application of the Method of Frustrated Total Internal Reflection of Infrared Spectroscopy to the Jewelry Stones Diagnosis

open access: yesТеория и практика судебной экспертизы, 2023
The article provides a brief review of applying the infrared spectroscopy method to study of jewelry stones. The authors demonstrate the advantages of the frustrated total internal reflection (FTIR) method in gemological examinations.
V. M. Bulanov, I. L. Kazantseva
doaj   +1 more source

Aquamarine from Massangana batholith, Rondônia State: mineral chemistry and fluid inclusion data

open access: yesREM: International Engineering Journal, 2020
Beryl is usually found in granite-pegmatite systems. The addition of chromophore elements (V, Cr, Mn, Fe) into the crystalline structure favors color changes in beryl and thus generates some of the world’s expensive gems such as emerald, morganite ...
Ingrid de Souza Hoyer   +2 more
doaj   +1 more source

Dataset for Aedes aegypti (diptera: Culicidae) and Culex quinquefasciatus (diptera: Culicidae) collections from key West, Florida, USA, 2010–2020

open access: yesData in Brief, 2022
The Florida Keys Mosquito Control District began deploying Biogents® BG Sentinel traps to monitor Aedes aegypti (Diptera: Culicidae) populations in Key West during a small autochthonous dengue outbreak that began in November 2009.
Catherine A. Pruszynski
doaj   +1 more source

Citizen Scientists Record Significant Range Extensions for Tropical Sea Slug Species in Subtropical Eastern Australia

open access: yesDiversity, 2022
The Sea Slug Census program in Australia engages with citizen scientists to record the diversity and distribution of sea slugs across multiple locations.
Stephen D. A. Smith, Matt J. Nimbs
doaj   +1 more source

Chromatin Heterogeneity and Distribution of Regulatory Elements in the Late-Replicating Intercalary Heterochromatin Domains of Drosophila melanogaster Chromosomes. [PDF]

open access: yesPLoS ONE, 2016
Late-replicating domains (intercalary heterochromatin) in the Drosophila genome display a number of features suggesting their organization is quite unique.
Varvara A Khoroshko   +5 more
doaj   +1 more source

New domestic intraocular lenses. Resistance to biodegradation processes in comparison with foreign analogues

open access: yesОфтальмохирургия, 2023
Relevance. Due to the high demand for import substitution, the prospect of assessing the long-term results of implantation of domestic models of intraocular lenses (IOL) will determine their place among a wide range of models offered by modern ...
K.G. Khliyan   +2 more
doaj   +1 more source

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