How to pack empty column with zinc powder?

How do you pack empty column with zinc powder? This is for the Vitamin K1 analysis using HPLC.

26 October 2020 3,904 3 View

What is the suitable temperature to store Vit A, E, D sample extract extracted from milk powder?

I run the sample preparation using AOAC Vit A,E,D method, that require saponification, concentration , drying using nitrogen gas, reconstitute with methanol. Since the HPLC method development is...

23 October 2020 6,430 4 View

Reason for vortexes on bottom of BN PAGE gel?

Hi all, I have run BN PAGE twice so far and am seeing distortion of the bands at the bottom of the gel. I use a 4-15% precast gradient gel. I load 15-20 ul of sample in every other well and...

04 November 2018 7,131 2 View

Immunisation that induces immune response but does not gives protection?

19 December 2016 8,221 4 View

How to extract RNA from caecum?

I am trying to find out the protocol to extract RNA from the caecum of the chicken. Thinking logically, the condition of the caecum (or even any parts of the intestine) provides a great source of...

02 October 2016 5,754 1 View

Which is better to detect protein-RNA binding, RNA-IP or RNA-CLIP?

19 April 2016 6,578 3 View

How can digital ways of learning and teaching be embedded in curriculums to support the development of digital graduate attributes?

I'm looking for ways to bridge digital divides on campus between those with digital confidence and those who are more digitally reluctant or resistant - who I call the digitally shy. Digital...

28 March 2016 9,966 3 View

How do you gate naive T cell population?

Hi I was wondering if anyone can shed some light on this problem I'm stuck with. (Please check the attached PDF file) [Background] I isolated naive T cell (or what I thought to be) using a...

26 July 2015 5,021 4 View

How and where I check one protein is conserved in mouse and human?

Anyone knows the answers for this question, many thanks.

16 July 2015 5,171 7 View

Can you think of an example of light travelling along a stationary path which is not a local minimum?

26 September 2013 3,468 10 View

Is there any rich, publicly available English literary corpus?

Hi everyone. I am looking for a rich corpus in English literature, a one which includes literary prose ( e.g., novels or short stories) . can anyone propose a good one? Best regards Fatemeh

01 March 2021 1,970 2 View

Centrality measures computation in Biblioshiny/ Vosviewer?

26 February 2021 7,279 2 View

How to model Supercritical water gasification (SCWG) process in Homer software?

Hi everyone How to model Supercritical water gasification (SCWG) process in Homer software?

25 February 2021 4,075 1 View

RNA-seq DEGs downstream analysis and reporting in literature?

I used EdgeR to get the list of DEGs (differentially expressed genes) from my liver RNA-seq experiment. I have done the gene overrepresentation and GSEA based pathway analysis. I am currently...

23 February 2021 8,969 1 View

Do you consider undergoing a structure literature review / Meta analysis and getting numerical findings sort of quantitative method?

I am looking for a classification of the research methods included in literature review papers or Meta analysis ones .

22 February 2021 1,131 4 View

Any suggestions or recommendations on a good publishing house based on the African for academic books in the field of Communication and media studies?

I am currently working on a book on Public Relations (from an African perspective) and the rationale behind the book is the fact that as instructors in this field, we borrow instances and case...

19 February 2021 2,482 2 View

Which database is the most suitable for checking English bigrams frequency?

Which database is the most suitable for checking English bigrams frequency? We want to assess the frequency of different English graphemes. Most of the databases that we have checked seem to...

18 February 2021 4,565 3 View

When to use different framework?

Hi, can I use both conceptual framework and theoretical framework in my systematic review? My future study plan is to use a theory. In this situation for my systematic review should I use both or...

18 February 2021 9,581 2 View

Person-Codes for questionnaires in longitudinal studies: Is there an easy solution for better matching-rates?

Hi, I have a problem regarding matching of longitudinal data in my field of research (university students). We have a Person-Code for matching data measured in different time points, but 30%+ of...

17 February 2021 3,075 4 View

Can anyone provide an advice on running a validation study of a commercially available product in collaboration with the manufacturer?

We are planning to run a study validating a commercially available product (i.e. software) and while we initially planned to do it independently of the manufacturer, they heard about our intention...

17 February 2021 2,295 3 View