28 September 2024 2 4K Report

i am isolating and identifying the strains of Trichoderma spp to test against pathogeic organisms (for this case, Meloidogyne spp).

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Is it possible to conjugate an NHS ester to the N-terminus of a peptide ON RESIN?

So i have a few peptides (synthesized by SPPS and not cleaved from resin) and I want to add a maleimide label. We have NHS-PEG-Maleimide and from literature it is evident that the free amine group...

18 July 2024 4,075 3 View

Hot to do MTT assay data analysis?

I have repeated an MTT assay three times using different batches of the same cell line. Each time, I tested the same treatment (different medium) and seeded the same number of cells. Additionally,...

08 July 2024 1,900 1 View

What is wrong with Site-Directed Mutagenesis?

I am following the NEB protocol to perform SDM with Q5 and NEB HiFi Assembly. I am making a two base pair change. First picture is my Primers designed with NEBaseChanger. Second Picture is my...

24 June 2024 6,079 4 View

Does anyone have suggestions for this esterification?

I have a very polar alcohol (soluble in MeOH, H2O, partially in heated DMSO). And a long chain fatty acid that I would like to couple. I can't find a common solvent for them. I can form the...

24 June 2024 9,319 0 View

How do you add multiple nodes or cutting planes in Abaqus?

Hi, In a previous question I asked how to effectively model springs in Abaqus. However, I figured out the feature under Assembly -> springs/dashspots -> node to node Springs. I have a cylinder...

20 June 2024 892 3 View

How do you add radial spring elements in Abaqus?

Hi, I am trying to complete a buckling analysis on a tube with an external pressure. This solves itself easily by adding radial constraint on the internal edge of the tube, one axial constraint...

17 June 2024 8,165 7 View

Given that Mesozoic placentals were largely arboreal (with fingers), do you know of any studies that illustrate the finger-to-hoof transition?

I'm interested in the earliest days of placental terrestrial locomotion in large herbivorous taxa. Phenacodus seems to be transitional in this regard. Any others?

06 June 2024 5,182 2 View

How reliable is ninhydrin test in solid-phase peptide synthesis?

Hey everyone! I'm doing peptide synthesis on Rink amide resin and sometimes I need to add amino acids with secondary amines or beta amino acids. Normally I synthesize 35 to 40 mer peptides. As a...

21 May 2024 9,035 0 View

How does one generate a normalized TCSPC curve from actual photon counts versus time?

Sometimes TCSPC curves are analyzed using the actual photon counts, and sometimes they are normalized with the signal running from 0 to 1, or even from 0 to some value less than 1. What quantity...

20 May 2024 4,277 0 View

Problem when running Spin-Orbit Coupling using CASTEP. What is nlpot_prepare_precon_ks?

I am currently using CASTEP version 22.11, and I encounter the following error when running calculations with spin-orbit coupling: Error with dsytrf in nlpot_prepare_precon_ks Current trace...

19 May 2024 4,236 5 View

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Subculturing of colletotrichum capsici is not able to do please help me?

Hello all, i am working on Chilly anthracnose disease and the pathogen involved is colletotrichum capsici but the problem is occuring while subculturing, i can isolate pathogen from chilly fruit...

17 July 2024 1,610 2 View

What are the key risks associated with foodborne pathogens in imported leafy greens, the impact on public health and effect on regulatory framework?

I am currently writing a systematic review

15 July 2024 9,176 1 View

I am carrying out an experiment on Trichoderma. How can I measure OD of the fungal growth after 7 days?

I am carrying out an experiment on Trichoderma and need to measure OD of the fungal growth after 7 days. Unlike bacteria, fungus clump together making It difficult to get OD for the fungal growth....

11 July 2024 6,251 1 View

Many scientists have proven that the use of antibiotics against pathogens in dairy cows has a low success rate. What is the solution ?

I think that in such situations, hygiene measures are very important and the right milking machine is required. Which is the right one to obtain clean and safe milk with a high quality standard?

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I'm looking for a tool to evaluate the risk of bias in... Are there any recommended applications or platforms?

Dear researchers, In a systematic review (not a meta-analysis) compiling studies on various diagnostic systems against a specific pathogen. The most relevant parameters evaluated are the type of...

03 July 2024 9,069 3 View

What are the best criteria for detecting Healthcare associated infections, especially in case of urinary tract infections?

This is an important step for isolation of hospital pathogens.

18 June 2024 5,633 1 View

¿Algún documento de consulta que presente claves dicotomicas para identificar especies de hongos microscopicos?

Hola a todos. Me gustaría saber si alguien conoce algún documento de consulta de claves dicotomicas - taxonómica para hongos microscópicos, especialmente que me pueda ayudar a determinar especies...

15 June 2024 6,693 0 View

Somebody know documents or books about free consultation that have cheats dichotomy for identify fungus microscopic ?

Hello I would like if you know some document for search cheats dichotomy - taxonomy for fungus microscopy, for example if you could help me to identify some kind of Beauveria, Penicillium y...

15 June 2024 1,289 0 View

Is still the cryptococcus sp. considered as the top most critical priority pathogen?

In the year 2022 the WHO released a fungal priority pathogen list in which Cryptococcus neoformans being placed at the top most of critical priority pathogen. Is it still a threat to human...

10 June 2024 4,055 3 View

Why is Trichoderma harzianum producing yellow pigment on rice broken at fermentation?

i have a species trichoderma harzianum. It is development in PDA media normally. But it is producing yellow pigment on rice broken at fermentation.

31 May 2024 9,260 0 View

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