What is efficent protocols to wash and cleaning up the SPE HILIC columns?

More Hussein MAHMOOD ALBAJALAN's questions See All

Is it possible to set a breakpoint at a specific DYNAMIC instruction using the GNU Debugger (GDB)?

Using GDB, it is straightforward to debug and monitor a target program by setting a break-point at a specific instruction, since the instruction addresses are known. However, we have two...

24 February 2021 1,598 2 View

Whic Type of Thermal Camera is Good to use in animal research?

Hello dear researchers I want to use a thermal imaging camera to livestock study. I wonder which type to use. If you know or used a good type please comment or insert its online link in...

29 January 2021 4,163 4 View

What are the most practical applications of nano fluid in air conditioning systems ?

explain your idea

01 January 2021 8,593 2 View

Which is the best software in Organic and Perovskite solar cells simulation SILVACO or Fluxim (SETFOS)?

I need to use a new software in Organic and Perovskite solar cell simulation

24 December 2020 2,397 4 View

Please , can the concentration of the drug inside the nanocarriers or nanoparticles be determined using a UV spectrophotometer ?

Please, can the concentration of the drug inside the nanocarriers or nanoparticles be determined using a UV spectrophotometer after getting the calibration curve of the drug alone?

19 December 2020 4,634 5 View

How to correct time series data if there are missing values from the original source?

Some times there are missing values for some years in time series data, how to deal with this problem?

11 December 2020 1,263 3 View

Does the Chinese navigation satellite system (Beidou) become global or still regional?

I know that this system was regional before, thus covering specific areas not alla the global

09 December 2020 3,343 3 View

Do you have the XRD JCDPS of Polycrystalline ZnS?

Hi, I need the JCDPS of polycrystalline ZnS, it would be appreciated if you could help me through this thank you in advance

30 November 2020 3,342 3 View

What are the best kind of mesh to save the running time in 3D trapezoidal cavity ?

explain your idea

24 November 2020 9,036 2 View

Does the freeze-dried change the color of the NCQDs quantum dot?

I have synthesized NCQDs using citric acid and urea as precursors. The powder-color of the quantum dot after the freeze-dried is green; however, the color will change to black as stored at room...

29 October 2020 3,700 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

Samples to study circular dichroism (chirality)?

I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.

01 March 2021 9,101 3 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to accurately quantify chitin?

Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...

01 March 2021 1,843 2 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Can anyone help with Schistosoma identification?

Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...

25 February 2021 7,760 6 View

Ana Reis

Dear Hussein,

I believe if you contact the manufacturer they'll be happy to send you that and any other information you request.

Hope this helps,

Ana

Mukhtar A Kareem Jaderson

I recommend that you read the file in the link I provide below, especially the sections of Column Care and Column Regeneration.

http://www.hplc.eu/Downloads/MerckSeQuant_ZIC_HILIC_Guide.pdf

Maharshi Raval

Use Acetonitrile and Water in 90:10. store in Buffer pH 3.00. Ammonium formate of acetate