Results 11 to 20 of about 394 (133)

Microbial mats in the Turks and Caicos Islands reveal diversity and evolution of phototrophy in the Chloroflexota order Aggregatilineales [PDF]

open access: yesEnvironmental Microbiome, 2020
Genome-resolved metagenomic sequencing approaches have led to a substantial increase in the recognized diversity of microorganisms; this included the discovery of novel metabolic pathways in previously recognized clades, and has enabled a more accurate ...
Lewis M. Ward   +3 more
doaj   +2 more sources

Combinatorial metabolic engineering of Yarrowia lipolytica for high-level production of the plant-derived diterpenoid sclareol [PDF]

open access: yesMicrobial Cell Factories
Background Sclareol, a diterpene alcohol derived from Salvia sclarea, is primarily used in the synthesis of ambrox, an alternative to the expensive spice ambergris.
Jiang Chen   +3 more
doaj   +2 more sources

Influence of environment and mineralogy on euendolithic microboring patterns

open access: yesThe Depositional Record
Euendolithic microorganisms, capable of bioerosion in carbonate substrates, play an important role in modern marine ecosystems and have a fossil record extending into deep time.
Tyler Lincoln   +3 more
doaj   +2 more sources

Detection Rate of Diabetic Retinopathy Before and After Implementation of Autonomous AI-based Fundus Photograph Analysis in a Resource-Limited Area in Belize [PDF]

open access: yesClinical Ophthalmology
Houri Esmaeilkhanian,1 Karen G Gutierrez,1,2 David Myung,1 Ann Caroline Fisher1 1Department of Ophthalmology, Byers Eye Institute, Stanford University School of Medicine, Palo Alto, CA, USA; 2Department of Ophthalmology, USC Roski Eye Institute, Keck ...
Esmaeilkhanian H   +3 more
doaj   +2 more sources

Chemical analysis of flotsam ambergris

open access: yesNatural Product Research
The natural product ambergris is only found rarely on beaches, as jetsam. Even more scarce, or even absent, are accounts of flotsam ambergris. Here, we report the chemical analysis of a rare, large piece (>100kg) of flotsam found in the Atlantic in 2019. About 95% of subsamples from the outside of the coprolith was soluble in dichloromethane.
C Anthony Lewis   +2 more
exaly   +3 more sources

DNA preserved in jetsam whale ambergris [PDF]

open access: yesBiology Letters, 2020
Morten Tange Olsen   +2 more
exaly   +2 more sources

The age of ambergris [PDF]

open access: yesNatural Product Research, 2018
Ambergris, which is a coprolith originating from the sperm whale, has been found only rarely, but for centuries, as jetsam on beaches all over the world. There are no reliable data indicating how long such samples may have remained at sea, with unsubstantiated accounts suggesting maybe decades.
Steven John Rowland   +2 more
openaire   +4 more sources

Surprising and unusual ingredients of modern cosmetics [PDF]

open access: yesFarmacja Polska, 2021
Modern cosmetology is an advanced discipline related to other areas of science, such as chemistry, pharmacy, biology, molecular biology or biotechnology.
Agnieszka Gunia‐Krzyżak   +4 more
doaj   +1 more source

Встречаемость амбры у кашалотов, добытых флотилиями «Слава» и «Советская Украина»

open access: yesУкраїнський антарктичний журнал, 2020
Проанализированы данные о встречаемости амбры у кашалотов, добытых китобойными флотилиями «Слава» и «Советская Украина» в период 1961–1978 гг. (22 промысловых рейса).
Yu. Mikhalev
doaj   +1 more source

Industrial Fragrance Chemistry: A Brief Historical Perspective

open access: yesEuropean Journal of Organic Chemistry, Volume 26, Issue 44, November 21, 2023., 2023
This short review provides a historical overview of the key scientific and technological advancements in the field of fragrance chemistry and their impact on consumer goods such as perfume, deodorants, detergents, shampoos, and soaps over a span of 150 years.
Olivier R. P. David, Franco Doro
wiley   +1 more source

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