How can I validate the UV spectroscopy?

can I compare UV spectroscopy reading with nanodrop reading to validate the UV spectroscopy? or is there a better way to know if the UV works well or not? Note: we use it in DNA, RNA &...

12 December 2020 4,869 2 View

What's the right way to Tween 20 storage?

02 December 2020 9,955 2 View

What's makes RNA (and not DNA) bind to the silica spin column in commercial kits?

In silica spin column-based kits, if the spin column material is the same and the binding to the column occurs by using ethanol and Guanidine salts. Then, what's the difference between the RNA...

20 September 2020 4,798 1 View

Is it possible to apply statistics on synthesis and anticancer activity?

I m looking for paper having knowledge of statistics (spss or matlab) applied on synthesis and anticancer activity

20 March 2020 5,517 3 View

Why Non specific bands of PCR reaction appear while using specific primers for tobamoviruses?

i have done RNA extraction and cDNA for tobamovirus then i made a PCR reaction using primer pair Tob uni1/Tob uni2 according to the protocol in Letschert et al., 2002 ( annealing temp. 60C for 45s...

09 December 2019 7,276 3 View

I would like to know about how can crystallization of metal complexes take place?

When i prepare the complexes it forms in amorphous state i want to make crystals of complex.my complexes soluble DMSO but when i dissolved in it and pour insoluble solvent it was oxidized.

15 February 2019 7,053 2 View

Help Please!! how to solve the error "too many attempts made for this increment" in abaqus?

i am applying a load of 50KN gradually on a reinforced concrete beam, i'm unloading this load using an amplitude to get the loading and unloading versus deflection graph.i have used concrete...

09 June 2017 3,129 14 View

Hello How to get a producer to dissolve cellulose fiber by carbon disulfide ?

11 April 2017 9,899 2 View

How to get the frequencies of simply supported RC beam when changing load in ABAQUS?

i have modeled the RC beam with simply supported BC and used concrete damaged plasticity model to account for the nonlinearities in concrete, i have got the frequency value for the case of beam...

01 January 2017 737 6 View

What kind of experiment help in understanding the metabolic pathway in plants?

In my proteomic results, there is change in glycolysis and TCA and i want to know that which pathway is involved in changing these major metabolic processes. For that i want to do some more...

18 September 2016 396 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

Which fluorescent dye to use for measuring total ROS production?

Is DCFDA appropriate for measuring total ROS production, or can it only detect certain types of ROS? If I want to measure total ROS production, which dye should I use?

01 March 2021 9,447 3 View

Precipitate after adding laemmli buffer to protein solution containing Potassium Acetate?

Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...

01 March 2021 2,622 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

Are protein samples in SDS compatible with ELISA?

I have used an AllPrep DNA/RNA/Protein Mini Kit QIAGEN kit to extract RNA and protein from my samples. At the end of the protein purification, I resuspend my protein in 5% SDS. Will these samples...

28 February 2021 7,370 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

No amplification data for qPCR on MxPro?

I have set up a qPCR run on MxPro with SYBR green and ROX as a reference, however, when I go to the analysis section the program seems to only collect data for the dissociation curves and not the...

25 February 2021 8,039 1 View

How to replicate the well conditions of a crystal hit with 20%(w/v) isopropanol?

I had a crystal hit in a well with 0.1M HEPEs pH 7.5, 10%(w/v) PEG 4000, and 20%(w/v) isopropanol. Why is isopropanol in w/v here if it's just solvent? How do I recreate this well condition?

25 February 2021 9,761 1 View