Hello everyone, does anyone have this attached map as a shapefile?

- I did georeferencing and digitizing for it, but it will be more accurate to have the original one.

19 October 2020 9,550 7 View

Can anyone suggest me how to prepare TEM sample for carbon dots?

I dissolve the solid sample in ethanol and then apply it to the carbon grid and dried it but I am not getting satisfactory results..

02 August 2020 9,014 13 View

What are some of the useful books\articles that explain Voygotsky sociocultural theory in language learning?

I am in the process of writing my MA thesis and I want to consult some easy-to-understand books that are important to understand the theory.

07 July 2020 6,189 6 View

Can anyone help me know if I can get Amman-Zarqa basin as polygon shapefile?

Dear connections, I hope you all have a happy day Can anyone help me know if I can get Amman-Zarqa basin as polygon shapefile? I really need it. Thanks in advance. #Amman_Zarqa #ArcGIS

06 July 2020 6,150 3 View

Source of contamination in my plant tissue culture?

For the past 4 weeks I have been experiencing the growth of mould in my plant tissue culture plates. I have ensured that I am being "extra clean", I clean the flow hood with 70% ethanol three...

09 March 2020 8,688 19 View

Can we program MSP430FR5994 launchpad in contiki?

I want to program MSP430FR5994 launchpad in Contiki but there is no example to start with. I have used a cc2560 sensortag example code and it is working correctly. Can anyone guide me in this regard?

13 January 2020 300 2 View

How to select a suitable protein for a certain ligand?

hi. I am synthetic organic chemist and working on synthesis of biologically active natural products and derivatives. I am new in the field of molecular docking. please guide me how can i select...

10 December 2019 3,730 7 View

How to analyse amino acid chromatogram?

14 August 2019 4,280 7 View

What is the best methode to profile amino acid without derivatisation using uv hplc?

Hi i would like to profile amino acid using uv hplc. Is it possible to do so without derivitisation. If no what is the best yet reliable methode to do the amino acid derivatisation?

03 April 2019 8,223 2 View

Do companies have an ethical obligation to inform candidates they will be reviewing their social media accounts?

I discuss this topic in my class and want to write a paper on this subject. Given that 70% of employers view candidates' social media accounts, are companies obligated to disclose this to...

27 January 2019 3,604 8 View

Why do my MCFs not form monolayer?

Hello, I am looking for some expertise on culturing MCF7s. I purchased them from ATCC and I have been following all media and culture conditions. Media is EMEM with 10% FBS and 10ug/mL of...

27 February 2021 3,904 2 View

Is RD-ES grow attached or in suspension or both?

We have a old RD-ES cell line which is grow attached, but we got another vial of RD-ES which is very easy to get detached and grow in sphere in the medium. Do you know which morphology is normal...

24 February 2021 5,183 1 View

How to formulate Energy minimization in Molecular dynamics simulation for alloys using meam potential?

during MD simulation, the atoms are not moving as per required. The problem (as per my observation) lies in energy minimization technique. upon application of tensile strain in x or y direction,...

22 February 2021 380 5 View

Formulate model for one integer optimization?

I am working on one optimization problem. the model with two states, the transition between the two states based on one threshold value (L = 5, which L< 5 -> Normal state, L== 5 ->...

11 February 2021 4,045 3 View

What lysis buffer is compatible with Bradford assay?

Hello! I am planning to use Bradford assay to measure protein content in PBMCs lysates. The problem is that Bradford assay doesn't seem to be compatible with Tris-based buffers or SDS. Are there...

10 February 2021 1,797 5 View

Calculating the CFU?

i am constructing research for the antibacterial activity of the medication and I am testing it by %RCC, so my Q after I did 10 serial dilutions for the bacterial suspension can we do plating for...

04 February 2021 5,886 1 View

Anyone knows about how to stop pH getting acidic after 7 days formulating the formulation?

i am trying to formulating one formulation but the problem i am facing is after formulating and adjusting it's pH, when i try to check pH after 7 days it is getting down towards the acidic side....

02 February 2021 9,343 3 View

What could be possible reason of higher Drug Concentration of Liposomal formulation stability samples over time?

Hello Everyone! I have prepared liposomal formulation using Rotary Evaporator method followed by dialyzed the liposomal Suspension in Phosphate buffer to remove the un-encapsulated drug. After...

25 January 2021 7,752 4 View

Guide to getting started with semi-solid formulations?

Hello everyone. I'm a pharmaceutical scientist whose experience is exclusively in solid dosage form. I'm starting a project that involves a semi-solid (cream) formulation, but I can't find a lot...

24 January 2021 4,055 3 View

Any HPLC validated method available to separate tricholine citrate and cyproheptadine hydrochloride from any formulation?

Need to have a validated, stable method to separate tricholine citrate and cyproheptadine hydrochloride from a syrup formulation.

20 January 2021 4,216 2 View