Results 1 to 10 of about 22,039 (218)

Preparation and photodynamic performance of electrospinning CA/PpIX porous fibrous membrane

open access: yesCailiao gongcheng, 2021
To address the problem of drug-resistant bacterial infections, a photodynamic broad-spectrum antibacterial cellulose acetate/protoporphyrin (CA/PpIX) porous microfibre membrane was prepared by electrospinning.
SHEN Hui-ying   +4 more
doaj   +1 more source

Erythrocyte Protoporphyrin [PDF]

open access: yesBlood, 1972
Abstract Blood protoporphyrin (PROTO) concentration in man and animals has been studied as a possible means of assessing the relationship between iron supply and marrow requirements. There appear to be two fractions of PROTO: one at a level of about 30 µg/ 100 ml unrelated to either iron supply or cell age, and a second fraction that ...
E E, Langer   +5 more
openaire   +2 more sources

The Effects of 5% 5-Aminolevulinic Acid Gel and Red Light (ALAD-PDT) on Human Fibroblasts and Osteoblasts

open access: yesGels, 2022
This study aimed to evaluate the effects of a new photodynamic protocol (ALAD-PDT), consisting of 5% 5-aminolevulinic acid-gel and 630 nm-LED, already used for antibacterial effects in the treatment of periodontitis, on human gingival fibroblasts (HGF ...
Tania Vanessa Pierfelice   +7 more
doaj   +1 more source

Exploiting Violet-Blue Light to Kill Campylobacter jejuni: Analysis of Global Responses, Modeling of Transcription Factor Activities, and Identification of Protein Targets

open access: yesmSystems, 2022
Campylobacter jejuni is a microaerophilic foodborne zoonotic pathogen of worldwide concern as the leading cause of bacterial gastroenteritis. Many strains are increasingly antibiotic resistant and new methods of control are required to reduce food-chain ...
Peter Walker   +6 more
doaj   +1 more source

Sedimentary Cobalt Protoporphyrin as a Potential Precursor of Prosthetic Heme Group for Bacteria Inhabiting Fossil Organic Matter-Rich Shale Rock

open access: yesBiomolecules, 2021
This study hypothesizes that bacteria inhabiting shale rock affect the content of the sedimentary cobalt protoporphyrin present in it and can use it as a precursor for heme synthesis.
Robert Stasiuk, Renata Matlakowska
doaj   +1 more source

Utilization of Porcine Livers through the Formation of Zn-Protoporphyrin Pigment Optimized by a Response Surface Methodology

open access: yesFoods, 2023
There is a growing demand for clean-label products. This study aimed to obtain a food-grade coloring ingredient for meat products based on the formation of Zn-protoporphyrin from porcine livers, thus contributing to the development of nitrite-free ...
Mar Llauger   +5 more
doaj   +1 more source

Recognized and Emerging Features of Erythropoietic and X-Linked Protoporphyria

open access: yesDiagnostics, 2022
Erythropoietic protoporphyria (EPP) and X-linked protoporphyria (XLP) are inherited disorders resulting from defects in two different enzymes of the heme biosynthetic pathway, i.e., ferrochelatase (FECH) and delta-aminolevulinic acid synthase-2 (ALAS2 ...
Elena Di Pierro   +10 more
doaj   +1 more source

Erythrocyte zinc protoporphyrin [PDF]

open access: yesKidney International, 1999
In iron deficiency and lead poisoning, the enzyme ferrochelatase catalyzes the incorporation of zinc, instead of iron, into protoporphyrin IX, resulting in the formation of zinc protoporphyrin (ZPP). In healthy blood donors, there is a good inverse correlation between serum ferritin and ZPP levels.
openaire   +2 more sources

Single Nucleotide Mutagenesis of the TaCHLI Gene Suppressed Chlorophyll and Fatty Acid Biosynthesis in Common Wheat Seedlings

open access: yesFrontiers in Plant Science, 2020
Wheat (Triticum aestivum L.) is one of the most important crops in the world. Chlorophyll plays a vital role in plant development and crop improvement and further determines the crop productivity to a certain extent.
Chaojie Wang   +9 more
doaj   +1 more source

Gold Nanoparticles/Nanographene-Based 3D Sensors Integrated in Mini-Platforms for Thiamine Detection

open access: yesSensors, 2022
Vitamins are essential for sustaining daily activities and perform crucial roles in metabolism, such as preventing vascular events and delaying the development of diabetic nephropathy.
Damaris-Cristina Gheorghe   +3 more
doaj   +1 more source

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