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Crosslinked on novel nanofibers with thermophilic carbonic anhydrase for carbon dioxide sequestration.

07:00 EST 30th November 2019 | BioPortfolio

Summary of "Crosslinked on novel nanofibers with thermophilic carbonic anhydrase for carbon dioxide sequestration."

The recombinant Sulfurihydrogenibium yellowstonense carbonic anhydrase (SyCA) was covalently bonded on novel polyacrylonitrile (PAN) and polyethylene terephthalate (PET) nanofibers (PAN-PET-PAN donated as AEA) that was first fabricated by electrospinning. The resulting composite materials further crosslinked by the glutaraldehyde, which significantly increased thermostability up to 89.8% and 18.0% after heating at 60 °C for 1 h for immobilized crude and pure SyCA, respectively. After four repetitive attempts in the demonstration of CO sequestration, immobilized crude and pure SyCA on AEA also effectively improved the total CaCO yields to be 5.8 folds and 2.2 folds compared to free enzyme. Furthermore, the endurance of immobilized crude was investigated on flue gasses, which was retained its activity up to 57% on 50 mM NOx and 61% on 50 mM SOx presence. This is the first report of immobilized thermophilic SyCA on a novel nanofiber at the reusability, durability, sequestration of carbon dioxide, tolerant to sulfur oxides (SOx) and nitrogen oxides (NOx) toxic gases and to prevent air pollution.

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This article was published in the following journal.

Name: International journal of biological macromolecules
ISSN: 1879-0003
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Medical and Biotech [MESH] Definitions

A cytosolic carbonic anhydrase isoenzyme found widely distributed in cells of almost all tissues. Deficiencies of carbonic anhydrase II produce a syndrome characterized by OSTEOPETROSIS, renal tubular acidosis (ACIDOSIS, RENAL TUBULAR) and cerebral calcification. EC 4.2.1.-

A membrane-bound carbonic anhydrase found in lung capillaries and kidney.

A carbonic anhydrase isoenzyme found in MITOCHONDRIA where it provides bicarbonate ions that are components in the urea cycle and in GLUCONEOGENESIS.

A cytosolic carbonic anhydrase isoenzyme primarily expressed in ERYTHROCYTES, vascular endothelial cells, and the gastrointestinal mucosa. EC 4.2.1.-

A cytosolic carbonic anhydrase isoenzyme primarily expressed in skeletal muscle (MUSCLES, SKELETAL). EC 4.2.1.-

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