I need to be very sure on this. Are all fecal progesterone metabolites insensitive to light after methanol extraction?

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How do you obtain a Letter of Access for Citizen Researchers?

Please may I ask if non-salaried Public Contributors conduct data collection interviews or Focus Groups with NHS patients as part of your study? This means that the Public Contributor will either...

29 July 2024 3,085 0 View

Can DEPC-treated water be used as a replacement for OCT when embedding frozen tissue on cryostat?

Hi everyone, I am currently working on RNA extraction on tissue, but unfortunately, I only have large frozen clinical tissue on hand. In order to maximize the RNA integrity, I plan to use...

25 June 2024 7,550 1 View

How to write literature review?

i want to write literature review on the topic " production of 3d PLA filament"

19 June 2024 1,712 2 View

Does Trizol LS yield more and better RNA than normal Trizol?

Hi, I am currently working on RNA extraction on blood serum samples using Trizol. However, the RNA yield is quite bad, on average, only yielded 200ng per 200ul of sample input, and the A260/280...

18 June 2024 6,854 3 View

Unstructured Interview Design?

In my qualitative study, I am trying to avoid the traditional belief that types of qualitative research design are just grounded theory, ethnography, phenomenology, case study, historical, and...

15 June 2024 3,884 1 View

What could dissolve MgO nanoparticles over time?

I have a set-up were I have a bottle with water (DI water, 0.8uS/cm). To that bottle I have added some MgO nanopowder, at a concentration of ~ 0.08mg/ml. It appears that the white powder is...

04 June 2024 9,789 4 View

What strategies are being employed to mitigate the environmental impacts of urbanization, particularly regarding habitat loss and fragmentation?

As urbanization accelerates, the environmental toll of rapid urban growth becomes increasingly apparent. Please pitch your opinion/idea on this question as we explore innovative approaches...

02 June 2024 737 3 View

Histology - mitochondria: Hi RG members. Is anybody aware whether a reliable method for determining mitochondrial density exists for light microscopy?

I would like to look at mitochondrial density in transverse sections of intestine. I do not have access to a TEM. I cannot really determine based on an internet search whether it is feasible to do...

02 June 2024 5,373 2 View

Is my researchGate profile going to be visible on search engine ?

My profile on researchGate is not yet visible on goggle

26 May 2024 5,824 1 View

How do climate change-induced alterations in precipitation patterns impact freshwater availability and quality in different regions globally?

Climate change-induced shifts in precipitation patterns are reshaping the availability and quality of freshwater resources worldwide. Join us in examining the far-reaching implications of these...

19 May 2024 8,764 3 View

Is this a facetotecta nauplius?

This larva was captured using a plankton net in the Persian Gulf during the summer. I believe it may be a Facetotecta nauplius.

08 August 2024 3,746 4 View

Which solvent is better to dissolve with secondary metabolites extracted from fungi?

I work on MCF7 cell cell for anticaner purpose and I wa to do drug preperation the drug ( secondary metabolites extracted from Aspergillus) My question which solvent is better with these secodary...

03 August 2024 4,725 2 View

I need the datasets of Microgrid for system identification?

Hi I am working on data driven model of the microgrid, for that, i need the reliable datasets for the identification of MG data driven Model. Thanks

02 August 2024 5,748 4 View

How to select relevant metabolites from multiple annotations ?

I am using the Polyomics Integrated Metabolomics Pipeline (PiMP) for metabolite feature analysis. After annotating my data, I have encountered cases where multiple potential metabolites are...

24 July 2024 5,789 0 View

What does negative readings in spectrophotometer denote. Was testing TSS content of bacterial cultures?

I was performing estimation of Total Soluble Sugar content in bacterial cultures by Anthrone method. Out of 9 samples, only one sample showed positive reading while others had a negative reading...

22 July 2024 9,576 4 View

China (Qinghai) flowers identification?

Can someone help me in identification of some flowers observed in Tibetan plateau (Qinghai province)? See the attached pdf. Sincerely Armando

18 July 2024 5,125 4 View

How to purchase metabolites of pesticide standards ?

Penconazole 1. CGA 132465 2. CGA 190503 3. CGA 127841 Fluopyram 1. AE C656948-benzamide 2. AE C656948-pyridyl-acetic acid 3. AE C656948-carboxylic acid I have searched on sigma aldrich as well...

09 July 2024 3,414 2 View

Does plant based medicine have less side effects?

I was reading papers on plant secondary metabolites and their applications and many of the papers/books I read, have the point that plant-based medicines which are the result of application of...

08 July 2024 9,935 10 View

How is the preparation to obtain secondary metabolic extracts?

Hi everyone! I am working with bacteria and fungal collected from marine sediments. I would to know the methodology since the preparation of biomass until the extraction and stored of secondary...

03 July 2024 6,177 3 View

What statistical test to do for dose response graphs?

Hello, I am currently conducting research on ovarian tumour cells and the use of chemotherapies with dietary metabolites and their combinations to see if there is a difference in cell viability. I...

01 July 2024 6,100 2 View