How can you attach polyurethane devices on glass slides?

I am making microfluidic devices made of polyurethane. The problem I am facing is that I am unable to attach these devices to glass slide even after plasma treatment (air plasma). Some of the...

28 January 2021 5,194 2 View

How do i handle Ti and/or Aluminium powder. Since in the instruction on the container is written that CATCHES FIRE SPONTANEOUSLY IF EXPOSED TO AIR ?

i am working on max phase preparation......i am a newly joined PhD scholar. I wanted to make MAX phase of Ti3AlC2 , in most of the literature they are using the metal powder of Ti and Al for the...

23 December 2020 7,122 8 View

Is the assumption about Delaunay edge true?

01 July 2020 9,998 2 View

Lysis Buffer for RNA extraction?

Dear all, I am working on a magnetic beads based RNA extraction project. Presently, I managed to come up with a lysis to extract RNA from blood samples. However, my PCR results show inhibitory...

06 April 2020 9,953 3 View

Homing Receptors for tumor infiltrating T cells?

I am researching how different culture and expansion conditions contribute to a T cell's infiltration of a solid tumor. Was wondering what the best surface / intracellular receptors or ligands are...

26 June 2019 5,072 0 View

What is the source of basic 'hydroxyl' sites on gamma-alumina surface? Can hydroxyl ions form on its surface with only water present?

Consider an initially non-hydrated gamma-alumina surface. I pass water over the surface hoping it to dissociatively adsorb on the surface giving me hydroxyl radicals adsorbed on alumina surface....

31 March 2019 8,615 2 View

Does any one have a detailed protocol for isolation of Glucocerebrosidase from rat brain, please don't mind to share?

I am working on Gaucher"s disease, in this connection I would like to isolate GCase enzyme from rat brain. so please share the protocol if available. This isolation process should not include HPLC.

27 March 2019 2,591 1 View

Why the cylindrical tube at the corner of the square are not following the curve while performing the 'sweep' action in COMSOL Multiphysics?

I am completely new in working with COMSOL Multiphysics. I am trying to draw a cylindrical shaped wire wound around the square block(as seen in the attached picture). The cylindrical wire is...

10 March 2019 3,104 3 View

How can i coat activated alumina or activated carbon on metal such as copper? What's the process?

How can i coat activated alumina or activated carbon on metal such as copper? What's the exact process to do? Is it feasible?

31 October 2018 6,171 2 View

How do I prevent loss of RNA during DNase I treatment of low amounts of RNA?

I am collecting rare cell types from the nematode C. elegant by FACS for RNA extraction and subsequent sequencing. For some populations we get 5,000 - 10,000 cells. We sort directly into TRIzol...

28 August 2018 6,205 3 View

Can linear DNA be used as template for site-directed mutagenesis?

Is it possible to induce site-directed substitution mutation by quick-change method on linear dsDNA? or it has to be cloned in some vector? If yes, should it be treated with the Dpn1 enzyme...

03 March 2021 401 4 View

PUC19 as a transfer plasmid for lentiviral delivery?

Hello, Is it possible to use pUC19 as a transfer vector to be packed in using the second generation viral particles packaging system( pMD2.G; psPAX2 plasmids)? As far as I understand it there is...

28 February 2021 4,868 2 View

How to get the vector of a specific vibration mode in phonon dispersion?

For example, I have this phonon dispersion(Fig. 1), and now I would like get vector of atoms which describes TA1 in P. I know v_sim can show vibrational animation of specific mode, but I do not...

20 February 2021 4,332 4 View

Specify the Burgers vectors for dislocations, which cannot be uniquely identified.?

1. A bcc metal single crystal was sliced along (1 -1 0) plane for TEM study. Assuming that the TEM available is equipped with a goniometer stage which tilts up to 45o. The Burgers vector of...

20 February 2021 2,370 1 View

I am working on image transmission, i converted the image into binary vector, i want to extract the MSB of each pixel ?

i have a vector 1*512 size, i want to take the first value every 8 elements and put these elements at the end of the vector,how to do this on matlab ?

19 February 2021 2,352 5 View

Does the property of GFP affect a fusion protein's localization?

Hello, I am planning to insert GOI between CaMV 35 promoter and mGFP in pCambia1302 to produce a fusion protein and see subcellular localization of the protein. But the vector says it's membrane...

15 February 2021 4,353 3 View

How much amount of DNA (ligation mix) should I use for transformation?

Hi Fellow Scientists! I am trying to clone my 300 bp insert into a 6 kb vector. I run a few different ligation reactions using (1:3 vector: insert molar ratios) 10, 20,30, and 40 ng/ul vector...

15 February 2021 9,563 6 View

Can I express protein of plant origin in E. coli strain (M15) using pET28a vector systems? Are M15 strains and pET vector systems compatible?

Are E.coli strains M15 and pET28a vector systems compatible? Can I over-express my protein which is of plant origin. Previously I was using BL21 DE3 strains. Was confused to use M15 strains for...

10 February 2021 2,564 3 View

Plasmid amplification in S2 cell?

When co-transfect S2 cell with selection vector (pCoHygro or pCoBlast ) to make a stable cell line, does the gene integrate into the genome or just like E.coli? How do the plasmids amplify within...

09 February 2021 5,423 1 View

Why cloning of gene into pCAMBIA1304 vector is unsuccessful?

I have tried to clone a specific gene into pCAMBIA1304 vector. But all the attempts failed. I used ligation kit from both Promega Corporation and Takara Bio. However, there was one time I used...

04 February 2021 525 1 View