Hi, does any one know how to redisperse the ppt of gold NPs formed after conjugation with the drug molecule?

gold surface is already conjugated with the PEG-2000 linker but still when I tried to conjugate it with the drug, It gets precipitated

25 January 2021 2,602 1 View

Is a Chi Square Analysis inappropriate if the values are less than 10 and/or "0"?

I'm dealing with a small sample size and my categorical variables tend to be 4 vs 2 or 8 vs 0 in terms of their numerical value. Does this make a Chi Square less powerful or even an inappropriate...

10 December 2020 6,505 7 View

Please guide me that which theory will relate to the relationships of personality traits, optimism and somatic symptoms disorder?

I have to write the theoretical framework for the course project regarding the relationships of personality traits, optimism and somatic symptoms disorder? Can anybody guide me that which which...

20 October 2020 6,709 4 View

Want to know any framework or instrument to measure the project's contribution to UNSDG. Any Help please?

Hi there, I am planning to conduct a study, and i want to know about any framework or instrument to 1. measure the impact of social project on UNSDG 2. measure the contribution of social project...

29 September 2020 3,767 1 View

Can someone suggest a commercial dye which is neutral and hydrophilic at pH - 9?

I need a fluorescent dye for my system at pH -9. Specific requirements are hydrophilic in nature and neutral. I don't wanna use the dye loaded micelles as it interferes with the experimental...

05 August 2020 10,005 3 View

Can someone guide me on manual RNA extraction of covid 19,we are getting amplification kits but limited extraction kits ,Can HCV extraction kits used?

I have been using PCR for a quite long time of HBV, HCV and HIV, we always used to get the extraction protocol and kits with every individual virus..reagents are same though...this time during...

10 April 2020 798 3 View

How would you determine if a particular journal is in the top 20% in its category?

I want to know, before publishing an article, that the journal is in top 20 % in that reserach area. I understand that some good impact factor journals publish articles from diverse fields so...

09 February 2020 3,791 2 View

Can carbon nanotube be annealed without destroying them?

I have annealed MWCNTs for 2 hours at 400oC and then stirred them for 2 hours in isopropyl alcohol and sonicated for 30 minutes. Through this treatment, I have got a stable suspension of MWCNTs...

22 July 2019 6,473 3 View

How to build and set bandlines for a supercell in SIESTA?

Dear Researchers, After relaxing a unit cell structure in SIESTA, we get final structure in the .xtl, .XV, .xyz and in .XSF formats. Could any one guide me, how to build a supercell from these...

10 March 2019 4,271 1 View

ABAQUS or ANSYS?

(ABAQUS or ANSYS) Which software is best for finite element modeling (FEM) analysis in structural engineering?

04 March 2019 2,362 16 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

How to compare different concentrations of nanoparticles for characterization from ICP-MS?

I took measurements of different concentrations of 15 nm and 5 nm Au nano particle solutions. I'm trying to determine which concentration I measured gives the best reading overall. I also...

02 March 2021 7,626 1 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 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

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

Dapi fluorescence protocol for colon cell lines ?

28 February 2021 2,534 2 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

Cloudy/high background western blot - can anyone help me?

Hi everyone! I try to detect VDR protein (~48 kDa) using Western Blot. After SDS-PAGE using 10% MP TGX Stain-Free Gel from BioRad I transferred the protein onto an metOH activated PVDF membrane...

23 February 2021 6,266 3 View

What are some underexplored theories and concepts in Activated Carbon as A Water Filter?

Hi, me and my team mates are currently planning to pursue the topic of Activated Carbon from Coconut as a Water Filter. And we would like to ask for your suggestions and knowledge on what specific...

22 February 2021 6,569 3 View