Results 21 to 30 of about 43,983 (296)

Simple U-net Based Synthetic Polyp Image Generation: Polyp to Negative and Negative to Polyp [PDF]

open access: yes, 2023
Synthetic polyp generation is a good alternative to overcome the privacy problem of medical data and the lack of various polyp samples. In this study, we propose a deep learning-based polyp image generation framework that generates synthetic polyp images that are similar to real ones.
arxiv   +1 more source

Local analysis of oxygen reduction catalysis by scanning vibrating electrode technique : a new approach to the study of biocorrosion [PDF]

open access: yes, 2008
The scanning vibrating electrode technique (SVET)was employed to investigate oxygen reduction catalysis by the presence of enzyme in an aerobic medium.
Basséguy, Régine   +3 more
core   +1 more source

Identification and Tetramer Structure of Hemin-Binding Protein SPD_0310 Linked to Iron Homeostasis and Virulence of Streptococcus pneumoniae

open access: yesmSystems, 2022
Iron and iron-containing compounds are essential for bacterial virulence and host infection. Hemin is an important supplement compound for bacterial survival in an iron-deficient environment.
Kun Cao   +6 more
doaj   +1 more source

The N-end rule pathway is a sensor of heme [PDF]

open access: yes, 2008
The conjugation of arginine, by arginyl-transferase, to N-terminal aspartate, glutamate or oxidized cysteine is a part of the N-end rule pathway of protein degradation.
A. Varshavsky   +21 more
core   +2 more sources

Esterification of hemins with trimethyloxonium tetrafluoroborate [PDF]

open access: yesAnalytical Biochemistry, 1976
A procedure has been developed for the methylation of hemins using trimethyloxonium tetrafluoroborate. The method is rapid and selective for carboxyl groups, and it can be used to methylate polar and nonpolar hemins under neutral and basic conditions. Esterifications of protohemin IX, hematohemin.
Dean, Richard T.   +2 more
openaire   +4 more sources

Preparation and Characterization of Tadpole- and Sphere-Shaped Hemin Nanoparticles for Enhanced Solubility

open access: yesNanoscale Research Letters, 2019
Hemin is a potent iron supplement. A major limitation of the applicability of hemin is its extremely low aqueous solubility and bioavailability. The aim of this work is to prepare hemin nanoparticles with improved solubility.
Jie Yang   +6 more
doaj   +1 more source

Iron metabolism of in­testinal mucosa in various blood diseases [PDF]

open access: yes, 1964
For the investigation of iron metabolism in the intestinal mucosa in various blood diseases, intestinal biopsy (duodenum) was performed on 10 healthy controls and 35 cases with various blood diseases.
Kimura, Ikuro   +2 more
core   +1 more source

Hemin enhances the cardioprotective effects of mesenchymal stem cell-derived exosomes against infarction via amelioration of cardiomyocyte senescence

open access: yesJournal of Nanobiotechnology, 2021
Background Application of mesenchymal stem cell-derived exosomes (MSC-EXO) has emerged as a novel therapeutic strategy for myocardial infarction (MI).
Huifeng Zheng   +16 more
doaj   +1 more source

Exogenous Hemin Confers Cadmium Tolerance by Decreasing Cadmium Accumulation and Modulating Water Status and Matter Accumulation in Maize Seedlings

open access: yesAgronomy, 2021
Cadmium (Cd) contamination harms plant growth and human health. The application of hemin (ferroprotoporphyrin IX) can effectively relieve abiotic stresses in plants.
Xiaoming Liu   +3 more
doaj   +1 more source

Activity modulation and allosteric control of a scaffolded DNAzyme using a dynamic DNA nanostructure. [PDF]

open access: yes, 2016
Recognition of the fundamental importance of allosteric regulation in biology dates back to not long after its discovery in the 1960s. Our ability to rationally engineer this potentially useful property into normally non-allosteric catalysts, however ...
Fan, Chunhai   +7 more
core   +1 more source

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