نتایج جستجو برای: hrp
تعداد نتایج: 2825 فیلتر نتایج به سال:
A sensitive and noble amperometric horseradish peroxidase (HRP) biosensor is fabricated via the deposition of gold nanoparticles (AuNPs) onto a three-dimensional (3D) porous carbonized chicken eggshell membrane (CESM). Due to the synergistic effects of the unique porous carbon architecture and well-distributed AuNPs, the enzyme-modified electrode shows an excellent electrochemical redox behavio...
In order to identify cerebellar terminals in the cat inferior olive which contain gamma-aminobutyricacid (GABA), a technique was developed combining anterograde transport of wheatgerm agglutinine-conjugated horseradish peroxidase (WGA-HRP) with gold-immunocytochemistry. With this technique both the HRP reaction product and the immunogold labeling can be visualized in a single ultrathin section....
Ultraviolet resonance Raman (UVRR) spectroscopy has been used to characterize the structure and hydrogen bonding state of the distal histidine (His42) in horseradish peroxidase (HRP) complexed with carbon monoxide (HRP-CO). The HRP-CO - HRP UVRR difference spectrum in D(2)O solution at pD 7.0 shows two positive peaks at 1408 and 1388 cm(-)(1), which are ascribable to medium-to-weak and strong h...
The interaction of a series of derivatives of tyrosine with horseradish peroxidase (HRP) and lactoperoxidase (LPO) was studied by using optical difference spectroscopy, c.d. and proton n.m.r. spectroscopy in order to reveal differences in the mode of binding of L-tyrosine and D-tyrosine, which are substrates of but react at different rates with the two peroxidases, to HRP and LPO. All the donor...
The existence of various components of the renin-angiotensin system in the eye has been known for more than a decade, and the importance of this system in ocular pathophysiology is a subject of active investigation.1 It has long been recognized that prorenin, an inactive precursor of renin, is elevated in the ocular fluids of patients with diabetic retinopathy.2 However, the pathophysiological ...
Hormonal-receptor positive (HRP) breast cancer patients with positive metastatic axillary lymph nodes are characterized by poor prognosis and increased mortality rate. The mechanisms by which cancer cells invade lymph nodes have not yet been fully explored. Several studies have shown that expression of IL-6 and the proteolytic enzyme cathepsin B (CTSB) was associated with breast cancer poor pro...
Steady-state fluorescence and circular dichroism (CD) were used to examine the unfolding in denaturants of recombinant cytochrome c peroxidase [CCP(MI)] and horseradish peroxidase (HRP) in their ferric forms. CCP(MI) unfolds in urea and in guanidine hydrochloride (GdHCl) at pH 7.0, while HRP loses its secondary structure only in the presence of GdHCl. CCP(MI) unfolds in urea by two distinct ste...
The ability of Pseudomonas syringae pv. tomato DC3000 to parasitize tomato and Arabidopsis thaliana depends on genes activated by the HrpL alternative sigma factor. To support various functional genomic analyses of DC3000, and specifically, to identify genes involved in pathogenesis, we developed a draft sequence of DC3000 and used an iterative process involving computational and gene expressio...
The detection of severe malaria in resource-constrained settings is often difficult because of requirements for laboratory infrastructure and/or clinical expertise. The aim of this study, therefore, was to explore the utility of a multiple antigen (HRP-2/pLDH) rapid diagnostic test (RDT) as a low-cost, surrogate marker of patients at high risk for complications of severe malaria. We reviewed pr...
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