Herein, we report a novel technique for cervical agenesis via office hysteroscopy using Versapoint using real-time trans-abdominal sonography guidance. Fourteen days after the canalization procedure, a second hysteroscopy was performed to remove the silicone catheter and insert a Cupper T380a intrauterine device, which aimed to prevent a neocervical canal occlusion. This is the first case repor...

Glabrin (2-Piperidine, carboxylic acid, 4, 5, dihydroxy, -1-methyl) was isolated from Pongamia glabra seeds and metal complexes were prepared by refluxing with acetates of cupper, zinc and mercury, estimation was carried out by simple idometric method for copper complex and E.D.T.A. method for zinc and mercury complexes of glabrin. Results of present study reveal that the metal complexes show c...

Zinc deficiency is associated with poor growth and development. It has been postulated that a deficiency of the various zinc metalloenzymes results from the lack of dietary zinc. From present study, an examination of some aspects of this postulate, we conclude the following about zinc deficiency in pigs: (1) Of the tissues studied, it results im diminished zinc content only in liver, kidney, ...

The design of artificial metalloenzymes has achieved tremendous progress, although few designs can achieve catalytic performances comparable to that of native enzymes. Moreover, the structure and function of artificial metalloenzymes in non-native states has rarely been explored. Herein, we found that a c-type cytochrome b5 (Cyt b5), N57C/S71C Cyt b5, with heme covalently attached to the protei...

Trace elements are required for a variety of normal biological functions. As our understanding of neurodegenerative disease advances we are identifying a number of metalloenzymes involved in disease process. Thus, the future of metals in neurobiology will rely more on detailed information regarding what metalloenzymes are present and how they are involved in the pathophysiology of disease. To g...

Catalysis is the most efficient strategy for the preparation of enantiopure products. Homogeneous and enzymatic catalyses are in many respects complementary in terms of substrate and reaction scope, operating conditions, enantioselection mechanism, etc. In terms of performance optimization, directed evolution methodologies outperform combinatorial ligand libraries. With the aim of combining the...

Understanding the early genesis of new enzymatic functions is one of the challenges in protein design, mechanistic enzymology, and molecular evolution. We have experimentally mimicked starting points in this process by introducing primitive iron and oxygen binding sites at various locations in thioredoxin, a small protein lacking metal centers, by using computational design. These rudimentary a...

In this work, an efficient synthesis of bionanohybrids as artificial metalloenzymes (Cu, Pd, Ag, Mn) based on the application enzyme a scaffold was described. Here we evaluated effect changing metal, pH medium, and amount in these metalloenzymes, where changes metal species size nanoparticles occur. These nanozymes were applied degradation hydrogen peroxide for their evaluation mimetics catalas...