Title: Freund's adjuvant | Original Freund's Adjuvant | Changyu Biotechnology
 1Maxi Spin Column
We pretty much completed testing the columns. 
Based on our experience testing many columns from 
different manufacturers, all columns in general 
work for all assay. The 2 areas in which they are 
mostly different is (1) the amount of DNA they 
can bind, (2) their physical aspects (do they 
look good, does membrane collapses after 
spinning). We are satisfied with the physical 
aspects, so we were comparing the binding 
capacity. We were using sheared salmon sperm DNA 
for this. 
 2Mini Spin Column
- Here are the observations that I made about your 
 columns
- Based on the ratio of RNA-to-DNA extraction your 
 columns actually turned out to be somewhat
 suboptimal, they end up with capturing a bit too
 much DNA together with the RNA
- 2) However, the total amount of extracted nucleic 
 acid product is very high. Based on this I am
 expecting your columns to be optimal for DNA
 extraction
- 3) Visually the columns look very nice. I have 
 observed that even when using Thermo Fisher Kit
 columns, I see some settling of the membrane at
 the end of all steps (that is due to
 centrifugation the membrane compresses and there
 is a visible separation between the membrane and
 the o-ring that holds it in place). However, this
 effect was almost completely absent from your
 columns, so the craft manship and quality of the
 membrane look very good.
3Micro Spin Column
At present, micro spin column on the market are 
generally 20ul or 10ul purification systems, and 
the purification effect is not particularly 
desirable. Based on such actual conditions, we 
have developed the latest micro spin column that 
can purify at least 5ul system. And importantly, 
this latest developed micro spin column overcomes 
the unsatisfactory purification effect of the 
micro spin columns on the market, ensuring that 
at least 5 ul of elution volume can also achieve 
optimal purification, concentration and recycle 
effect. This latest developed micro spin column 
can be widely used for RNA, DNA micro extraction, 
low-abundance RNA, DNA concentration, etc. 
 4Connect With Us
Address  2506 Room, CASHRUN International 
Building, 2 Dongguanzhuang Road, Tianhe 
District, Guangzhou, China Phone No. 
4006306163 Website https//changyubio.com/ Emai
l  market_at_changyubio.com