We are seking a lab that can conduct the gas fading test!
Intertek or mocon company can help you.
How could I get the P-value from the mean, SEM, and n of different groups in the t-test without the original data? For detail, I would like to know the P-value between BMP-2: 50ng/ml group and the...
06 February 2021 6,539 4 View
Hi guys I'm out of ideas here please help! I've never had consistent problem like this doing westerns before and I can't figure it out. The condition used: - First 4 lanes have 50ug protein in...
04 February 2021 2,297 3 View
I am searching for miRNA repeats put between WPRE and 3'LTR of my lentivirus, in order to enhance the specificity of transgene expression in human neuron cells. But if clinically translation of...
26 December 2020 9,921 2 View
Recently, I got a concept that is contrary to my understanding from two papers. It can be described as follows, in brief: There are two catalysts for the same reaction, on the catalyst with higher...
09 December 2020 2,406 28 View
Recently I started to use XRD to study the structure of some molecular sieves. My powder sample was prepared by grinding in a mortar, drying in an oven, and loading on the sample holder. However,...
03 December 2020 7,504 8 View
I have installed the software BRUKER Flexanalysis 3.4 on my computer successfully. But when I tried to import the MS data produced by BRUKER MALDI-TOF-MS, I met with an error described in the...
10 November 2020 8,205 1 View
Hi, As described, recently we found a gene was silenced in various tumor, and its promoter was alwasy hypermethlated. When using certain treatment to induce the gene expression, we found its...
04 November 2020 7,054 3 View
Hello, I'm working with immortalized HUVECs low and I'm trying to study their exosomal RNA contents. Could anyone recommend an effective kit to isolate exosomes from cell culture supernatant?...
31 October 2020 4,252 5 View
We need to collect CSF samples repeatedly from the 4th or lateral ventricle of rats. Does anyone know of a protocol for implanting a cannula to be able to do this? Or even a protocol for this...
26 October 2020 5,804 3 View
I am analyzing the tissue damage to the mouse cornea tissue after incubated a kind of medium. The protocol is 1) mouse cornea was incubated in the medium for one day 2) embedding the cornea with...
21 October 2020 7,568 5 View
effect of double bond on the flexibility of polymers
07 April 2021 0 0 View
I am writing to request some information for making polymer color flakes. I would appreciate the help.
17 March 2021 0 0 View
I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...
03 March 2021 7,540 4 View
The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...
03 March 2021 4,107 4 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...
28 February 2021 7,397 8 View
I have a tank which contains natural gas at 250 Bar and 293 Kelvin. I want to cool the gas in a dry-ice cooling bath to about 195 Kelvin. The gas will flow in a copper-tube through the bath with a...
27 February 2021 8,128 1 View
Hi Guys. I'm a mechanical engineer and have a bit trouble, would be very glad if you could help me with my questions. I have a pressurized tank which contains Natural Gas at 200 Bar and 293...
26 February 2021 6,253 3 View
I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...
26 February 2021 1,511 3 View
Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...
26 February 2021 1,100 5 View
