People can buy dfferent brandnames from different sources. Naked HGH - Strongtropin - Nipertropin - Genetropin - Kigtropin - Riptropin - Nordictropin - Jintropin - Hygetropin. The name and appearance is no longer a warranty for quality, everyone can counterfeit it and often they start with good quality and later turn bad.
In September 2012 I got from a source the than new Hygetropin Blacktop. I asked one of my friends to do an SDS-Page analyses on the than new Blacktops. Now (December 2015) I did ask him again, since as we all know quality differs from batch to batch. I also think that we can learn from comparing analytical results.
First 2012 results
I am using Invitrogen products for running buffer (Novex Tris Glycine), loading buffer, sample reducing agent, electrophoresis unit and precast 4-20% tris-glycine gel.
reconstituted each sample with 1mL of ultra pure water. (theoretically 10iu/vial or 10iu/mL)
sample prep; 2uL of sample + 18 uL of sample buffer which was 4:1 mix of loading buffer/reducing buffer
incubated the samples at 95 degrees Celsius for 5 minutes.
loaded 20uL into each well.
using BioRad Dual Protein marker as reference marker ladder.
160 volt for 1 hour.
washed with DI water twice, and stained for 5 min using Safestain simplyblue from invitrogen. I followed their instructions on washing/staining.
rinsed in DI water for 1 hour.
Image taken by Fujifilm LAS4000
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We knew from analyses in an analytical lab that the browncap hygetropin used as crs (reference) was 13-14 iu
notice a darker impurity band (which is less than 5%) on eli than hygetropin.
the vials were reconstituted using ultra pure water, 1ml per vial, 10iu/vial concentration theoretically.
Hygetropin 0.1176/0.1176 * 100 = 100.0 % = 10iu/vial
elitropin 0.0891 / 0.1176 * 100 = 75.8 % = 7.6iu /vial
Hygetropin 0.1176/0.1176 * 100 = 100.0 % = 14 iu/vial
elitropin 0.0891 / 0.1176 * 100 = 75.8 % = 10.6iu /vial
Hygetropin 14 iu times 0,758 = 10.6 iu
In September 2012 I got from a source the than new Hygetropin Blacktop. I asked one of my friends to do an SDS-Page analyses on the than new Blacktops. Now (December 2015) I did ask him again, since as we all know quality differs from batch to batch. I also think that we can learn from comparing analytical results.
First 2012 results
I am using Invitrogen products for running buffer (Novex Tris Glycine), loading buffer, sample reducing agent, electrophoresis unit and precast 4-20% tris-glycine gel.
reconstituted each sample with 1mL of ultra pure water. (theoretically 10iu/vial or 10iu/mL)
sample prep; 2uL of sample + 18 uL of sample buffer which was 4:1 mix of loading buffer/reducing buffer
incubated the samples at 95 degrees Celsius for 5 minutes.
loaded 20uL into each well.
using BioRad Dual Protein marker as reference marker ladder.
160 volt for 1 hour.
washed with DI water twice, and stained for 5 min using Safestain simplyblue from invitrogen. I followed their instructions on washing/staining.
rinsed in DI water for 1 hour.
Image taken by Fujifilm LAS4000
****************************
We knew from analyses in an analytical lab that the browncap hygetropin used as crs (reference) was 13-14 iu
notice a darker impurity band (which is less than 5%) on eli than hygetropin.
the vials were reconstituted using ultra pure water, 1ml per vial, 10iu/vial concentration theoretically.
Hygetropin 0.1176/0.1176 * 100 = 100.0 % = 10iu/vial
elitropin 0.0891 / 0.1176 * 100 = 75.8 % = 7.6iu /vial
Hygetropin 0.1176/0.1176 * 100 = 100.0 % = 14 iu/vial
elitropin 0.0891 / 0.1176 * 100 = 75.8 % = 10.6iu /vial
Hygetropin 14 iu times 0,758 = 10.6 iu
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