How could I get the P-value from the mean, SEM, and n of different groups in the t-test?

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

Why are my western blot bands so distorted?

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

(Scale request) Anyone has the Malay version of Eating Attitude Test-26/40 (EAT-26/40)?

Dear Researchers, My research team is conducting a eating disorder related research in Malaysia and we would like to use the Malay translated version of EAT26/40. I have tried to email the...

24 January 2021 8,925 2 View

What are the possible drawbacks of using miRNA sponge to enhance the specificity of gene expression?

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

Can Apparent Activation Energy determine Conversion Rate in a catalysis reaction?

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

What is the standard preparation procedures of Powder X-Ray Diffraction (PXRD) sample?

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

How to calculate the volumetric flow rate of cooling water in a heat exchanger?

Base on my study, there is about 85 kw of heat will generate from a combustion of methane gas. I want to cool down the hot air by passing it through a heat exchanger. According to my previous...

15 November 2020 167 3 View

Could anyone professional help me to solve this problem?

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

How to prove the hypermethylation of a certain gene inhibits the gene expression?

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

Could anyone recommend a kit to isolate exosome from cell culture supernatant?

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

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Have you ever experiencing air vent trouble in fermentation process?

Dear all, My research group is currently working with a 12-litre fermenter. Somehow, if we do the fermentation for more than 20 hours, the process will be more prone to contamination. Our current...

23 February 2021 1,908 2 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 View

How can I improve the concentration of banana fruits extracted RNA?

Currently, I'm working with banana fruits. I've tried to do RNA extractions with different methods, and I've gotten total RNA without contamination, but I couldn't get a high concentration of...

22 February 2021 6,126 2 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View