Can someone please help me to classify the image into alpha, beta and gamma haemolysis?

Dear all researchers, can you please help me to double confirm the result that I obtained in haemolytic test into alpha, beta and gamma group? This is the first time I performing this test and...

05 June 2016 1,063 21 View

Is there anyone who can provide the salting out protocol for butyrate extraction?

31 December 2015 1,956 8 View

Is there any titration method for vitamin A (retinol) detection?

10 November 2015 255 2 View

Does anyone kindly check for me regarding the following protocol for complexometric titration of Zn?

I'm not a chemist and does not know much about the theory behind the zinc titration method. I have a sample and wold like to test for the zinc content. Following is the protocol that I have...

09 October 2014 4,508 4 View

Why will contamination disappear when repeating a test for the same sample on the next day?

Dear researchers, Recently, I have been facing mysterious test results. I was collecting samples of probiotic cultures from a large fermenter tank into 100mL lab bottle under sterile conditions,...

09 October 2014 7,656 4 View

Do you think that zinc, iodine, Vitiman A, Vitamin D3 or Vitamin B2 can reduce the growing rate of probiotics?

Do you think that zinc, iodine, Vitiman A, Vitamin D3 or Vitamin B2 can reduce the growing rate of probiotics?

03 April 2014 5,067 2 View

Is there any drying method that can be used to replace spray drying?

May I know is there an alternative drying method that can be used to replace spray dryer? The sample used will be encapsulated bacterial cells.

02 March 2014 9,696 1 View

Why is the incubation time for probiotic cells to grow in milk shorter than in MRS broth?

I am wondering why the incubation time for probiotic cells to grow in milk is shorter than in MRS broth. According to the protocol, the bacteria strains need to culture in MRSB for 3 days before...

02 March 2014 9,839 3 View

Can anyone help me to check on the protocol of probiotic microencapsulation?

I did the experiment a number of times but am still not able to get the expected results. I would like to seek help from everyone. The protocol is as follows: 1. Dissolve maltodextrin and...

02 March 2014 6,229 12 View

Will a change in sequence of adding prebiotic and maltodextrin influence the microencapsulation results?

I would like to seek your advice towards the strange result that I have obtained during my microencapsulation process. I was preparing two samples as follows: 1. Add fructo-oligosaccharide...

01 February 2014 3,443 1 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

Has anyone used the Illumina ITS1 primer sets?

Hi everyone, Illumina provides a list of primers to amplify with high taxonomic coverage the ITS1 region for further fungal sequencing, but I cannot find the exact amount necessary of each...

25 February 2021 6,969 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration fors?

Warm greetings My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology (on Human papillomavirus). At this stage, I have almost completed a clinical sample Cervical swabs)...

25 February 2021 1,660 3 View

Is there any one who can provide a donation of HPV detection and genotyping kits in exchange collaboration forms?

Warm greetings! My name is Ayichew S. and I am doing my Ph.D. in Medical Microbiology focusing on Human papillomavirus). At this stage, I have almost completed a clinical sample (Cervical swabs)...

25 February 2021 3,612 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 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

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

How to analyse a (perceptual) study using differing/comparable sets of stimuli?

I plan on running an online perceptual experiment that has, let's say, 100 unique video stimuli altogether. Since these are too many to be rated by every participants, I would like to present the...

15 February 2021 7,444 2 View

How to analyse a split-plot design in stata ?

I have run an split-plot design experiment evaluating the efficacy of a treatment (with 3 whole plots and 4 sub-plots), and I am planning to analyse the collected data in Stata. However, I do...

14 February 2021 7,800 7 View