In CHURCH buffer, what components do role at southern blot?

Greetings. I cannot find about each component's role of CHURCH buffer at southern blotting(detail, pre-hybridization). I did DNA microarray but never have ever southern blot. In microarray,...

31 December 2018 885 0 View

In alkaline transfer buffer, why put NaCl to alkaline transfer buffer?

Greetings. Before question, I never did southern/nothern blot. (eastern too) During search buffer, I found Alkaline transfer buffer and knew it uses southern blot(alkaline method). This buffer...

31 December 2018 8,961 0 View

Why we don't have to use HCL/NaOH during make Trice-glycine buffer?

Greetings. I heard about when make buffer include Tris, set pH using concentrated hydrochloric acid(37%). but SDS-PAGE, loading buffer(10X), Tris-glycine, what I heard set pH for 8.3, use only...

31 December 2018 3,971 3 View

What is 5X binding buffer?

I saw 5X bingind buffer maded by; 100mM HEPES, pH 7.6 5mM EDTA 50mM ammonium sulfate 5mM DTT 1% Tween-20 150mM potassium chloride which reaction helps this buffer? I don't consider to this...

31 December 2018 4,938 0 View

How can I measure tissues for RNA preparation without RNA dergadation?

Greetings. I extracted RNA at mouse liver and human blood, but degradation occurs. I think, at mouse liver, too hard to measuring 50mg liver(I am newbie for animal tissue preparation) so spend...

31 December 2018 4,671 0 View

What's the problem in gel electriphoresis?

Greetings. In image... left:ladder(start with 750bp) middle: PCR product with exonuclease III treated right(3rd lane): PCR product without exonuclease III treated there's a problem. PCR...

10 November 2017 9,858 12 View

Why stability test of PEG gel run at -20 degree?

I read a paper about PEG gel, . in this paper, supplymentary fig 10 is storage stability test. This particle maded by polyethylene glycol and store in 4 degree, but storage test is run at -20...

09 October 2017 2,833 0 View

Among the features of microparticles, what should be compared experimentally?

Greetings. Experiments using microparticles are in progress. There are particles with multiple compositions and features, advisors want to compare the features of this particle finely, but I can...

08 September 2017 535 0 View

What is Dunn's multiple comparison test?

Guten morgen.(means 'Good mornong' in Deutsch) Recently I read a paper entitled "Circulating Tumor DNA Mutation Profiling by Targeted Next Generation Sequencing Provides Guidance for Personalized...

08 September 2017 5,063 1 View

How can I add sodium chloride in 1X PBS to 450mM?

Oh, greetings. I plan to experiment for 'stringency of DNA'. so I add some sodium chlodire to PBS. and make 1X PBS(450mM NaCl). It same to concentration of NaCl in 3X SSC. But in 1X PBS, I buy...

08 September 2017 8,717 0 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Protein-aptamer gel electrophoresis help, please??

Hi, I have problems with running gel electrophoresis. I have tried agarose gel electrophoresis and native PAGE. I have two proteins, which have molecular weights of ~30kDa and ~180kDa and two...

03 March 2021 4,275 4 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

Buffer Exchange using column packed with sephadex G-25 effect on protein concentration?

Hello, If i am doing a buffer exchange for an antibody of 1mg/mL, does the elution lose protein in the process of buffer exchange? For example, if i flow through 500 uL of 1mg/mL sample, and...

03 March 2021 6,299 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

What are some important techniques for protein induction and SDS-PAGE analysis?

Hello everyone. I am fairly new in protein chemistry field. I am trying to perform a protein induction hoping to purify my protein of interest using FPLC method. However, I am having trouble on...

03 March 2021 8,237 3 View