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More Julie Hodin's questions See All

Why would E. coli have higher results than Fecal Coliform results from the same sample?

During recent sampling for E. coli, most of the sample results were significantly larger then the Fecal numbers. What could possible cause this? Method was membrane filtration reporting in CFU.

18 March 2024 7,848 3 View

What is the cause of streaking and double banding on gels?

I'm working on library prep for ITS NGS using Earth Microbiome Protocol and am getting double banding and smearing on my gels. What might be the cause for this? I should be seeing a band around...

04 March 2024 5,940 1 View

Studies on oceanography - Plastic pollution of our oceans?

I need help, doing a paper on the plastic pollution of our oceans.

10 January 2024 9,313 1 View

Why does Mendeley keeps adding an 'a' to the end of a citation unnecessarily?

Some of my in-text citations references show up with an 'a' at the end (e.g., Smith, 2023a). The author does not have a 2nd publication in my Mendeley library, and I have checked for duplicates....

14 August 2023 1,436 5 View

Ultrapure water for LC-MS/MS: which is best between Evoqua LaboStar PRO TWF UV and Direct-Q® 3 Milli-Q systems?

Dear all, we are doing LC-MS/MS metabolomics and proteomics (research & diagnostics) and I wondered if you had experience with the Evoqua LaboStar PRO TWF water purification system? It's a bit...

19 July 2023 1,532 5 View

How can I add link to open access punlication?

ResearchGate lists multiple open access publications with the message: "Your recent article doesn’t have the full-text yet. Add the full-text of your recent life science work so that others can...

26 May 2023 7,243 1 View

Is there anyone who could provide an insight on Scopus indexed journals for management and social sciences?

It is mandatory that academicians require publication in Scopus Indexed Journal. It is a little tedious in finding out such resources. What was available last year is not available this year. The...

17 May 2023 3,661 2 View

Black aggragates in ELISA assays, what are those?

Hello, End of last year I have developped an indirect ELISA method to detect a couple of caseins in fermentation supernatants. It worked great until a couple of weeks ago. Since then, for each...

26 April 2023 9,506 2 View

Is thematic analysis part of methodology?

I'm new to thesis work and I am thoroughly confused. I understand what thematic analysis is. My professor put down " Results and Thematic analysis" in the table of contents. But it seems wrong. Is...

25 April 2023 611 5 View

If I want to compare two correlations what's the best way to do that in SPSS?

If I have two correlations: one between variable 1 and variable 2; second between variable 1 and variable 3. What's the best way to analyze the data so that I am able to make the assumption that...

22 April 2023 5,343 4 View

Weak DAPI staining after immunohistochemistry - how to improve?

After immunohistochemistry of previously fixed in PFA and EtOH and then frozen 20 μm sections of zebrafish brain, DAPI staining is very weak (right) compared to the same sections stained without...

05 August 2024 9,637 2 View

How to isolate lymphocytes from mouse spleen?

I have tried several times to isolate lymphocytes from mouse spleen, but all attempts have been unsuccessful. I tried most available protocols. I used different dissociation media (HBSS with Ca...

04 August 2024 9,913 7 View

Do some Staphylococcus aureus strains have in vitro antimycobacterial activity ?

Some Staphylococcus aureus strains Inhibit the growth of Mycobacteria in Mueller Hinton Agar medium containing 10% OADC. Do some Staphylococcus aureus strains have in vitro antimycobacterial activity?

29 July 2024 10,023 2 View

Hello Researchers, Can anyone guide me on estimating the Leaf Area Index (LAI) of wheat using only weather and soil parameters? Is it possible?

I need to estimate the LAI of a wheat crop using only weather and soil parameters. Can anyone please help me?

28 July 2024 4,886 2 View

Trouble finding an anti-Digoxigenin antibody to perform Southern Blot technique?

I'm currently using Roche anti-DIG-AKP Fab fragments to perform Southern Blot assays, but this reagent is delayed since november last year. It's anybody facing the same problem? If so, how are you...

15 July 2024 6,668 0 View

Any homemade protocol to extract genomic DNA from leaf litter?

We are trying to extract DNA from ant nests to amplify the 16S gene, but apparently, the extraction allows the passage of PCR inhibitors. Thank you for your comments

15 July 2024 9,314 2 View

What are the opportunities and limitations for using digestate ion different crops and soil typs and how can its application be optimized?

What are the opportunities and limitations for using digestate ion different crops and soil typs and how can its application be optimized - I have few of them listed and can be updated in this...

13 July 2024 2,431 2 View

What is Differential-Fed in microstrip patch ant? How it is design in CST studio? What is process and procedure to do Differential-Fed in CST studio?

What is Differential-Fed in microstrip patch antenna ? How it is design in CST studio? What is simulation process and procedure to do Differential-Fed in CST studio ?

08 July 2024 7,464 1 View

Can I use BSA for a Histological Blocking Solution?

Hi all, I would like to know if it is possible to use Bovine Serum Albumin (BSA) in my blocking solution for immunofluorescence muscle fiber typing. The primary antibodies' host is mouse. The...

07 July 2024 7,967 3 View

How long can I store mouse tissues in neutral buffered formalin for, and how often should I add fresh formalin?

My study uses C57BL/6J mice and I am required to store portions of the important organs in neutral buffered formalin (NBF). Could I potentially keep those tissues in the formalin for a few weeks...

06 July 2024 8,360 2 View

Andrew S French

I have used these. We made our own electronic display (just an op-amp and a meter) but you can probably get a commercial display, or feed it into a computer A/D converter and use software.

http://www.omega.ca/pptst_eng/PX160.html

Sheng-Nan Wu

You may use a pressure manometer (PM01R; World Precision Instruments, Sarasota, FL, USA).

http://onlinelibrary.wiley.com/doi/10.1046/j.1540-8167.2003.02040.x/abstract;jsessionid=27C8A865F39DCD6D56DA705535355802.f02t03

Thom Behnisch

Might be the international model Keyence AP-34P or similar; it requires also the purchase of a 12 V DC power supply, but it has an analogue output that could be linked to Digidata e.g..