porphyrin


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Related to porphyrin: porphyria
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  • noun

Words related to porphyrin

any of various pigments distributed widely in living tissues

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When porphyrin lipid-shell microbubbles containing perfluoropropane gas are bombarded by low-frequency ultrasound energy, they burst and release nanoparticles as small as five nanometres in diameter that can readily travel into a tumour's deepest recesses.
Porphyrin inactivated catalase through the production of singlet oxygen, which caused amino acid damage (Hirakawa et al.
The absence of clearly defined clinical attacks in our patient complicates future treatment decisions, especially as porphyrin levels and clinical status do not correlate well.
ALA and Porphyrin Research Society - APRS, Chairman: Ichiro Okura, Professor Emeritus of Tokyo Institute of Technology will be present to open the event.
Biochemical analyses of urinary porphobilinogen and porphyrins (fecal porphyrins and plasma porphyrins) can provide the diagnosis of AIP in symptomatic patients, but genetic testing for a defect in the HMBS gene (1) is required to accurately identify asymptomatic affected family members, who can then be counseled on the lifestyle modifications required to limit the risk of attacks.
3), (4) In our case, diagnosis was made after the recognition of dark urine and higher than normal urine porphobilinogen, corpoporphyrin and total porphyrin levels.
In addition, a major research effort has been rewarded with the clinical acceptance of the porphyrin precursor 5-aminolaevulinic acid (ALA).
Chlorophyll is a porphyrin that binds magnesium, giving plants their green pigment and playing a pivotal role in photosynthesis.
There was upregulated archaeal porphyrin synthesis in the patient population which was archaeal in origin as indicated by actinide catalysis of the reactions.
is able to electrocatalyze the dechlorination of p,p'-DDT through the formation of a [sigma]-bonded iron porphyrin intermediate, followed by a cleavage of the [sigma]-bond upon electroreduction, to generate three dechlorinated products, 1,1-bis(4-chlorophenyl)-2,2-dichloroethane (p,p'-DDD), 1,1-bis(4-chlorophenyl)-2,2-dichloroethylene (p,p'-DDE) and 1,1-bis(4-chlorophenyl)-2-chloroethylene (p,p'-DDMU).
1]H solution NMR and UV-visible spectral analysis to characterize the structural feature of a water-soluble, synthetic porphyrin i.
The health concern studied was the effect of heavy metals on porphyrin ring compounds.
Many heavy metals (Re, U, Mo) only accumulate in shales because of a high affinity to the porphyrin ring.
Because of the intentional mismatch in the number of binding sites on the template (six) and the porphyrin strands (four), leftover links looped around a second template, creating a figure eight.
1450) compared urinary porphyrin concentrations in neurotypical children and autistic children of the same age.