Aortic allograft -biological valves, Biology

Assignment Help:

Aortic Allograft (Homograft) :  In the earlier years fresh antibiotic preserved aortic allografts were tried. As the shelf life is limited, availability of all sizes at all times could not be guaranteed. At present cryopseservation is preferred. The valve is harvested under sterile conditions and is frozen using liquid nitrogen tissue culture medium containing 10 per cent dimethyl sulploxide (DMSO). It is stored a1 -180°C. They are durable and free from structural deterioration in 80 per cent of the patients at 15 years.

 


Related Discussions:- Aortic allograft -biological valves

What is the thermopenetration concept, What is the thermopenetration concep...

What is the thermopenetration concept? The pasteurization of products packed in glass containers leads to a problem of a specific nature, which is referred to as 'thermopenetra

Prevention of iron deficient anaemia, Prevention   You as nurse needs t...

Prevention   You as nurse needs to ensure that iron supplementation  is given to children who are at risk for iron deficiency.  Iron supplementation  should start between 4 and

Tell us about three kinds of dna, There are 3 types of DNA sequences. Genom...

There are 3 types of DNA sequences. Genomic DNA comes from the genome and haves both genes and extragenic material. cDNA is reverse transcribed from mRNA and corresponds only

What is the importance of surface area, A. How is the villus the functional...

A. How is the villus the functional unit of the small intestine? In your answer, include a discussion of its structure and function and the enzymes found there. What is the importa

Explain astrand cycle test, Explain Astrand Cycle Test? This is a sub m...

Explain Astrand Cycle Test? This is a sub maximal test done on cycle ergo meter. In this test, comparatively lower wattages are set. For example, for males less than 35 years o

What is diffusion, Diffusion is the spreading of substance molecules from a...

Diffusion is the spreading of substance molecules from a region where the substance is more concentrated to other region where it is less concentrated. For example, during the boil

Contemporary interests in nutritional biochemistry, Contemporary Interests ...

Contemporary Interests in Nutritional Biochemistry As  newer techniques in biochemistry have emerged from time to time, these were of immense help  in  the  understanding of ut

What are integral membrane proteins, Membrane proteins are classify as eith...

Membrane proteins are classify as either integral (intrinsic) or peripheral (extrinsic) depending on how tightly they are linked with membrane. The Integral membrane proteins are s

Elaborates class trematoda and monogenea - flukes, Elaborates Class Tremato...

Elaborates Class Trematoda and Monogenea - Flukes? Members of this Class are commonly known as the tapeworms. They resemble a long flat tape, or ribbon, and are parasitic, livi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd