How do I analyse a Photoluminescence Spectrum ?

I have a few questions related to PL (images attached for same material by 2 methods), It would be great to get some help. 1. What is the physical meaning of highly intense PL? Does this mean...

02 February 2021 1,791 3 View

How to choose the electrolyte for (electrochemical impedance spectroscopy) EIS ?

Hi, I am working on a multi cationic material that has Li in it. I wish to measure the conductivity of my sample. We have a 3 electrode system with Ag/AgCl as a ref, platinum, and glassy carbon...

29 January 2021 405 2 View

Rhodanese enzyme assay using salt potassium ferricyanide?

I wanted to perform rhodanese enzyme assay using salt potassium ferricyanide (K3Fe(CN)6). The assay is based on the products formed in the reaction but I can't get the reaction i.e what product...

26 January 2021 8,044 4 View

How to get rid of a constant peak at fix RT every time in HPLC ?

I am running catecholamine standards in HPLC using UV/FLD detector. I am getting a constant peak at fix RT (retention time @ 3.5 min, image enclosed) every time, even if I run another standard or...

29 September 2020 847 7 View

How do I model a protein with length of more than 2000 amino acid for MD simulation using I-Tasser?

I am using I-TASSER to model a protein of more than 2000 amino acids for MD simulation but the highest limit of the sequence in I-TASSER is 1500 amino acids. How do I solve this problem? One way...

10 June 2020 1,168 3 View

How to decompose a backbone curve into 10 elasto plastic parallel springs in abaqus?

Presently I am trying to implement the SSI technique on a pile on clay soil by attaching non-linear spring decomposed from the backbone curve for my master's project. can anyone help me how to...

15 October 2019 905 1 View

Nonspecific PCR products and faint bands with Q5 polymerase (0for overlapping PCR)?

I am currently using Q5 polymerase from NEB to amplify a protein of 2.5 Kb. I have designed the primers to target the 21 BP that are compliment to the DNA sequence , the restriction sites are...

30 April 2019 9,707 3 View

How do we analyse photo luminescence spectrum of ZnO?

I have performed PL for my ZnO sample synthesized by hydrothermal method using NaOH and HMT. The PL emission was recorded at excitation wavelength of 320 and 400nm. Both the obtained emissions are...

03 January 2019 4,247 3 View

Need solution for solubility of BCAA?

I would highly appreciate if anyone can help me with how to make BCAA powder soluble. Is Sunflower Lecithine recommended? if yes, which form (powder or oil). Also how much per 100g of BCAA? If...

19 August 2018 9,861 2 View

How to improve Berberis absorption?

Active ingredient of Berberis extract is Berberine which is know for Glucose Metabolism but absorption seems to be very poor. I searched some paper and found milk thistle when added with...

01 April 2018 3,360 3 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

No title

02 March 2021 3,060 3 View

How does one access the Cranet survey data on HRM practices?

Hello, The Cranet website does not provide any lead to the data obtained from their multinational survey on HRM practices. Any help on accessing the data would be most appreciated. Thank...

01 March 2021 9,536 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Can I do two kinds of mixed method in explanatory research?

Dear distinguish professors and scholars, I have a research in measuring two kinds: think tank capacity and research impact on policy. Can I do two kinds of mixed methods in order to find, "Is...

20 February 2021 6,897 1 View

Does qualitative research using closed and open ended survey and semi structured interviews qualify as triangulation?

I am using qualitative research to look at employee motivation. I will use a closed and open ended survey (for biodata information and general views to motivation) and semi structured interviews...

18 February 2021 436 11 View

Should I include less important items in con-joint survey experiment?

I plan to do a conjoint survey experiment in which I randomly change attributes of hypothetical job candidates and show two types of potential candidates with different attributes. Then, I ask...

16 February 2021 5,812 1 View

How can we measure the reliability and validity of our survey questionnaire?

We are conducting survey research on COVID-19 misinformation among students. How can we validate our survey for it to produce valid and reliable data? Also, what statistical tools can we use to...

16 February 2021 678 3 View

What would be the best survey design and stat. analysis for my research- impact of pandemic on pro-conservation and pro-environmental behaviours?

Ive started to design the survey with demographics, I have a list of pro-environmental and conservation behaviours which i plan to ask if they have changed since the pandemic. I think i'll use...

15 February 2021 4,204 3 View

Bootstrapping: to use or not to?

Hello, I would need help w.r.t deciding on an approach. I sent out a survey and about 2000 of 15000 recipients completed the survey. Doubts have been raised on accepting the results based on...

15 February 2021 5,585 13 View