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MOmarkowenmartin.bsky.social

I wish I had a quick and easy "tell" for these isolates I suspect of being siderophore producers (UV fluorescence).  Microbial iron experts, is there an easy and inexpensive plate test?  I used to think a bit of ferric chloride on a plate...but it might be toxic?

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Jjoeymaier.bsky.social

ICYDK - red bioluminescence is rare. Most fish @ those depths can't see red. Some dragon fish who see red do it the normal way, but the ones in Malacosteidae jump through some weird biochemical tricks, doing fluorescence in the retina to shift wavelength (!!!) biolum.eemb.ucsb.edu/organism/dra...

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MPmofpapers.bsky.social

Fluorescence-enhanced MOF-encapsulated AuNCs for highly sensitive detection of melanin https://www.sciencedirect.com/science/article/pii/S1387700324012139

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prepub-singlecell.bsky.social

Ultra-sensitive Fluorescence-Activated Droplet Single-cell Sorting based on Tetramer-HCR-EvaGreen Amplification #singlecell https://www.researchsquare.com/article/rs-4786506/latest

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NHnadwgab.bsky.social

Down with rhodochrosite! Calcite can be fluorescent. One of the most well known occurrences of fluorescent calcite is in Franklin, New Jersey, USA. It's the bright orange bits in this rock #minerals#MinCup24www.mineralcup.org/2024/vote/r3m3

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Ttkphd.bsky.social

Its ubiquity grants calcite the power to inspire wonder everywhere in the world, with such variety in growth habit, clarity, and fluorescence. Calcite always has my vote.

EWminouette.bsky.social

Calcite wins the art vote hands down. #MinCup24 Places you’ll find calcite:

Vincent van Gogh, The Arlesienne 1890 Medium: Oil Support: Canvas Size: 65 x 54 cm Art period: Post-Impressionism São Paulo Museum of Art MASP.00114 The portrait is of madame Ginoux, proprietress of the Café dela Gare in Arles. She wears a white blouse, black dress and cap and leans on a green table with two books against a peach background. Employs calcite as a pigment. https://colourlex.com/project/van-gogh-the-arlesienne/
Pieter Bruegel the Elder, Mad Meg 1562 Medium: Oil Support: Panel Size: 117.4 x 162 cm Art movement: Renaissance Museum Mayer van den Bergh, Antwerp, Belgium Painting Mad Meg (Dulle Griet) is a shrew from Flemish folklore depicted in Breugel’s painting as a distraught and disturbed woman wearing a knight’s armor and a sword and attacking the mouth of Hell. The landscape around her is filled with demonical figures resembling the figures painted by Hieronymus Bosch. Via https://colourlex.com/project/bruegel-mad-meg/ Contains calcite as a pigment
Alabaster alabastron (perfume vase) Cypriot 6th–5th century BCE The alabastron is particularly large in size. The two vertical lugs are pierced. The neck is short, with a slightly thickened lip. Via the Met https://www.metmuseum.org/art/collection/search/244004
Head of a man ca. 3rd–4th century CE Not on view This fine male portrait head is thought to date from the middle of the first millennium A.D. and may have been part of a larger royal sculpture. The figure is wearing a stylized laurel wreath, a symbol of high rank. The use of the wreath to denote status reflects the influence of the Graeco-Roman world and appears in more realistic form on the coins of the kingdom of Himyar from the first centuries B.C. and A.D. A long mustache drapes along each side of the mouth, the chin is bearded, and a single ringlet is carefully carved on the surface of the left cheek. This last detail is undoubtedly significant since it is, to this day, characteristic of the hairstyle of Yemeni Jews. In the fourth century A.D. many of the kings of Himyar were converted to Judaism, so this feature may eventually aid in the identification of the figure. Carved from translucent alabaster with beautifully polished surfaces, … via the Met
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PSppsystems.bsky.social

Measuring leaf gas exchange? Fluorescence? Last chance to test drive the fast response, lightweight portable #photosynthesis#RapidACi@ashs-hort.bsky.social#ASHS2024#plantscience

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Cchemistryviews.bsky.social

New Largest [n]Cycloparaphenylene Acetylene: Novel macrocycle shows bright turquoise fluorescence with a high quantum yield; might be a useful carbon nanotube precursor www.chemistryviews.org/new-largest-...

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