نتایج جستجو برای: protein purification
تعداد نتایج: 1275452 فیلتر نتایج به سال:
Protein separation and purification technologies play an essential role in various industries including but not limited to pharmaceuticals, dairy as well as the food sector. Accordingly, a wide variety of techniques such as chromatography and electrophoresis has been developed and utilized extensively over the years for this purpose. Despite their widespread acceptance, conventiona...
Background and purpose: Lactoferrin is a multifunctional protein, which is useful for clinical and commercial applications. Recently it has been shown that ingestion of Lactoferrin has advantages including: immune system modulation, anti-microbial activity and antioxidant in neonates and adults in both animals and humans. The present study has been conducted with the purpose of isolation and op...
Background and Objective: FSH is a heterodimeric glycoprotein that performs an important role in the regulation of reproductive processes. Over the past decades, injectable gonadotrophins have played a leading role in the treatment of infertility. The production of FSH in the country is one of the main goals around this drug. The aim of this study was to produce a semi- industrial recombinant F...
background: hepatitis c virus (hcv) is a main public health problem causing chronic liver infection and subsequently liver cirrhosis and lethal hepatocellular carcinoma (hcc). vaccination based on hcv capsid proteins has attracted a special interest for prevention of viral infections. the core protein is a basic and evolutionary most conserved protein, which regulates the cellular processes rel...
the edible mushrooms (basidomycetes) have high nutritional value, promote the immune system, and as a source of natural antimicrobial substances have been used to cure bacterial infections since ancient times.various kinds of proteins with several biological activities are produced by mushrooms. in this research, in order to evaluate antibacterial activity of edible mushrooms, we isolated prote...
Background & Objective: Enterotoxigenic Escherichia coli (ETEC) is a major causative agent of diarrhea. Enterotoxins and the colonization factors (CFs) are major virulence factors in ETEC infections. The bacterium binds to the intestinal epithelial cell surface through colonization factors and produces enterotoxins that cause excessive fluid and electrolyte secretion in the lumen of the intesti...
Ovalbumin, as the major component of egg-white, is a globular, biocompatible, nontoxic and biodegradable phosphoglyco protein. This protein with the molecular weight of 44.5 kDa, contains 385 residues of amino acids with isoelectric point (pI) of 4.5. Many purification procedures have been reported for egg-white proteins such as gel permeation and anion exchange chromatography. In this study, w...
background and objective: neisseria meningitidis is a leading cause of meningitis and sepsis worldwide. the factor h binding protein (fhbp) is a key virulence factor of neisseria meningitidis that is able to selectively bind to human factor h, the key regulator of the alternative complement pathway, which it has important implications for meningococcal pathogene- sis and vaccine design. the aim...
objective: angiogenesis a process that results in neo-vascularization is an essential stage in growth of solid tumors and the formation of metastases. vascular endothelial growth factor (vegf) and its receptors, vegfr1 (flt-1) and vegfr2 (kdr/flk-1), are the major regulators for tumor angiogenesis. recent studies showed that second domain of vegfr-1is a key factor for vegf/vegfr-1 interaction. ...
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