Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Which transition metal salt precursor is best for doping? Why?

I would like to synthesize a transition metal doped TiO2 via solgel method. Hence, I would like to know which metal salt precursor to choose among Chloride, Nitrate, and Sulphate. A clear...

27 February 2021 4,285 3 View

Please. Could you help be in implementing Fractal Discrete Cosine Transform algorithm in Matlab?

I do need the Matlab code of Fractal Discrete Cosine Transform (FDCT). Can anyone who has already implement this code, help me with the implementation of this transform?

24 February 2021 5,602 2 View

What is the reason film thickness increased?

what is the reason film thickness increased when increased doping concentrations give some reasons The measured film thickness is 156, 282, 394, 548 and 681 nm for 0, 1.5, 2.5, 3.5, and 4.5 wt....

17 February 2021 8,987 5 View

Sequence of an unknown Oligonucleotide ?

Hi All, I do have a single-stranded oligonucleotide of 100 - 150 bases synthesized and the sequence is not known. How would I proceed to know the sequence .

04 February 2021 5,614 3 View

Queries regarding the rain flow counting algorithm?

02 February 2021 9,790 2 View

How to separate solid NHS-folate during the folic acid activation?

Am functionalizing the metal nanoparticle with folic acid. in the process I have taken folic acid in DMSO and added DCC and NHS to activate the carboxylic acid group of folic acid in the standard...

01 February 2021 9,890 3 View

How to determine the genetic potential of the genotype in terms of fruit size and weight?

In addition to genetic and environmental factors, fruit size is also influenced by crop load, rootstock, orchard planting system/tree training system, pollination, water and nutrient management,...

13 January 2021 9,309 4 View

Is it possible to ligate two restriction ends those have no complementary bases?

In my lab,we are trying to construct a control plasmid. So we have to remove the insert gene which has two restriction ends:one is XhoI and other one is Hind III.So after double digestion we want...

01 January 2021 3,271 4 View

Is it machine learning models that have replicability capability?

We are doing the prediction of soil nutrients using spectral information by applying machine learning models. More than 300 soil samples were used from one district for analysis. We got the...

21 December 2020 9,663 3 View

Help with culturing monolayer of human brain microvascular endothelial cells (hBMEC)?

I've been having a hard time forming an endothelial monolayer with good tight junctions. The person who trained me on the culture of endothelial cells worked mostly with mouse BMEC, and he used...

22 February 2021 8,253 1 View

Can I get information about research laboratories that are currently having in culture, internationally/locally standardised microorganisms?

Microorganisms of interest include; E.coli; Salmonella typhimurium; Pseudomonas aeroginosa; Streptoccocus pneumoniae; Staphyloccocus aureus and Candida albicans. Locations closer to Port...

18 February 2021 6,500 3 View

Can anyone suggest a software for running a plant tissue culture lab?

A software which can help to design the experiment, store data, update new data, set subculture reminders, barcoding etc. Like Invitrosoft.

17 February 2021 3,015 5 View

Any natural extract (that is easily available) or any drug combination triple which i can use against gram negative?

I'm working on gram negative i want to use any natural extract (plant extract) or triple drug combination against its biofilm formation.

14 February 2021 1,403 3 View

How to improve NHBE adhesion after subculture?

I'm trying to subculture NHBE cells from Lonza, however, the cells seem to not adhere to the new flasks after detachment. I've followed Lonza detachment protocol (2 mL/25 cm2 of Trypsin 0.05% and...

10 February 2021 196 1 View

Question regarding investigation of the nature of bacteria: whether it can cause human diseases or not?

Hi all, Considering that one has the whole genome sequence (annotated) of a bacterium and wants to know if it has the potential to cause human diseases, what steps would you recommend...

26 January 2021 8,732 3 View

I am culturing murine bone marrow derived mesenchymal stromal cells, what are these cells I am observing?

Dear all, I am isolating mesenchymal stromal cells (MSCs) from the bone marrow of adult C57BL/6 mice. The culture conditions are: -IMDM + L-glut, 20% of 50:50 FBS:HS, 1% P/S -Medium replaced each...

24 January 2021 7,223 3 View

Pseudomonas that lose their fluorescence?

I am working on Pseudomonas fluorescent strain identification, I found that some of isolate that I have been conserve at 80c last year have loosing their fluorscent appearance on new culture....

09 November 2020 9,181 4 View

Can anyone tell me the list of antibiotics which are sensetive and resistanc to Pseudomonas flourences and Pseudomonas puituda bacteria ?

I am now working on conjugation process between Pseudomonas flourences and Pseudomonas puituda bacteria, so in order to confirm that the genes are transferred, we need to use antibiotics, so...

31 October 2020 509 3 View

How many ways do bacteria have to communicate?

Hello, I am researching into how bacteria communicate. What I've found is that they use quorum-sensing*, and electrical signals**. I've also come across the ability to "speak and listen"***, but I...

03 September 2020 9,168 8 View