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Porphyrins news

Pharmaceutical Approval Update November 2017

P&T Community - Nov 1, 2017
Do not use in patients with hypersensitivity to aminolevulinic acid (ALA) or porphyrins. Gleolan is potentially ineffective in individuals with acute or chronic types of porphyria. Phototoxic reactions. Do not administer Gleolan with phototoxic drugs ...

The Critical Importance of Biosignatures

Air & Space Magazine - Nov 9, 2017
Fortunately, said Strasdeit, some reliable biosignatures can be preserved for a very long time. He gave three intriguing examples: Collagen peptides in a bone matrix can survive up to 80 million years; porphyrins, the breakdown products of chlorophyll ...

LED blue light for acne reduces pimples without medication

The Daily Telescope - Nov 13, 2017
Acne.org says, “Blue light covers the spectrum from 407 to 420 nm (nanometers). When blue light reaches the sebaceous (oil) glands in the skin, it can excite compounds produced by acne bacteria called porphyrins. When excited by light, these porphyrins ...

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Porphyrins - Spectral Data of Porphyrin Isomers and Expanded Porphyrins by M.P.


Porphyrins - Spectral Data of Porphyrin Isomers and Expanded Porphyrins by M.P.


Porphyrins by Archana Gupta Hardcover Book (English)


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Porphyrins are a group of heterocyclic macrocycle organic compounds, composed of four modified pyrrole subunits interconnected at their α carbon atoms via ...

Porphyrins and Hemoglobin


Porphyrins - Metametrix

CEO and founder, Dr. J. Alexander Bralley, discusses why porphyrins are particularly well suited as biomarkers of toxic exposure.

Porphyrin Bootcamp - Tetraphenyl porphyrin (TPP) Synthesis

A short video showing the synthesis of TPP, a common precursor for more elaborate porphyrins.

Graphene and porphyrins paired up (short version)

Many scientists consider graphene to be a wonder material. Now, a team of researchers at the Technical University of Munich (TUM) has succeeded in linking ...