I want to know how can i express my absorbance values in nmol/mg protein in a spectrophotometric assay of protein carbonylation assay?

I need a hypothetical example as an answer for my question for a better understanding. After getting the absorbance values of the protein samples by DNPH method, how can i express my results in...

17 March 2018 6,112 3 View

Concentration of control drug in MTT assay

i am treating cells with different concentrations of drug. now that i want to use the drug as a control in MTT assay, what concentration of drug should i keep as a control? plz suggest

26 June 2017 1,215 3 View

Can anyone give me a working protocol for bacterial cells- based MTT assay?

22 June 2017 7,360 3 View

Is there any appropriate selective media to grow Deinococcus radiodurans ?

19 June 2017 2,217 3 View

What can be used as loading control or positive control for MBL western blot ?

Western blot, serum sample

12 September 2014 3,212 2 View

How do I do a serum dilution so that I get 20ug of protein for western blot ?

I added loading buffer of 2ul with DTT, and Bromophenol blue with 10ul of serum, but serum solidified after 5 minutes at 95C heating.

10 September 2014 5,888 2 View

Why when initially culture gave a good yield of plasmid now suddenly the yield has come down to 3ng/ul?

I have to proceed for digestion where the plasmid yield is not sufficient.

11 June 2014 9,193 4 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

What is the best way to keep an anaerobic chamber anoxic in the absence of hydrogen?

I'm a graduate student who works with an anaerobe, so I often work in an anaerobic chamber. I've been working on an assay that involves the steady-state of the quinone/ quinol pool. Anoxic...

03 March 2021 2,971 1 View

How does the gut microbiome affect the fibrotic process within the liver?

and Can the gut microbe be used for the treatment or diagnosis of liver fibrosis?

02 March 2021 557 2 View

How to grow E.coli on the low salt LB agar plate with 50 or 100ug/ml of Blasticidin?

Hello, I would like to ask how to grow E.coli which resists 50 or 100ug/ml of Blasticidin. I have tried many methods by using low salt Luria-Bertain(LB) agar plate. However, no colonies grow. Let...

01 March 2021 2,027 2 View

Can bacterial suspension be pipetted directly onto petri dish and agar poured onto it?

Hi, recently I encountered a protocol for plating which was not the usual method I have been practicing (pour LB agar onto plate, allow it to solidify, pipette bacterial suspension onto plate,...

28 February 2021 7,292 3 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

Difficulty in cloning of 1kb gene into vector?

I am facing difficulties in cloning a 1kb gene into a vector (pJIT163). I have my gene on interest (GOI) in pUC57 and want to clone in pJIT163 using SalI and BamHI restriction sites. I am getting...

25 February 2021 3,221 7 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View