Zaheer Ahmed Nizamani

6 Questions 19 Answers 0 Followers

Questions related from Zaheer Ahmed Nizamani

How to open glass lids of old specimen jars?

We have old glass specimen jars with glass lids in pathology laboratory for demonstration of various gross pathological lesions. Many of them need to be opened, cleaned for replacing old organ...

11 October 2017 1,485 2 View

Any suggestions on initiating tissue fluorescent immunostaining for viruses?

I want to start immunostaining at our lab with a very small budget and basic facilities. I have experience of fluorescent immunostaining of acetone fixed cells as well as PFA fixed saponin...

26 June 2015 9,955 5 View

How can I investigate vaccine failures?

We are seeing plenty of cases of vaccine failure as outbreaks of velogenic Newcastle disease and Infectious Bronchitis which are reported in in vaccinated flocks. How do you think should one...

06 March 2015 8,990 9 View

Cover-slipping slides with Canada Balsam- how can I make it dry faster?

We have been coverslipping tissue slides with Canada Balsam but it dries so slowly. Is it possible to speed up drying? Will heating help and is it safe? Currently we do not have modern...

22 May 2014 8,895 9 View

What is the reason for lower pathogenicity of Edmonston strain of measles?

Both the vaccine and wild-type strains of measles can use SLAM / CD150 receptors. What exactly is responsible for loss of virulence of vaccine strain, if it has nothing to do with receptor usage?...

21 July 2013 1,754 1 View

Animal experiments with low pathogenicity avian influenza viruses (LPAIVs) - are there risks for humans?

Is it safe to perform experimental infection of poultry with low pathogenicity avian influenza viruses (LPAIVs) in the absence of biosecurity level-3 (BSL-3) facilities? Do they they pose...

17 January 2013 4,614 1 View