Hi every one. I need a relatively cheap antimicrobial agent, especially Staphylococcus aureus, resistant to methicillin, fda approve, non-toxic,...?

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Rdf of atoms from a COM or point in lammps or VMD?

Hello all, as I understand there isn't any straight way to get an rdf of atoms from the center of mass or a coordinate of specific atoms in lammps. I wonder if anyone know any trick or way to get...

16 February 2021 2,517 2 View

Could anyone help me about my problem with getting current in armchair MOS2 nanoribbon in transiesta?

Dear siesta users I am using transiesta code to get the I-V characteristics of Armchair MoS2 nanoribbon as scattering (with 8 unit cells) and electrode material. All the calculations (electrode,...

12 October 2020 4,306 6 View

About use of Fluoranthene as standard in HPLC?

Dear all; I want to work on the ecotoxicological effect of PAH (fluoranthene) on different organism species.... But I can not find its analytical standard in my country, Can I use Flournthene 98%...

05 July 2020 2,736 7 View

What kind of dialysis cassette is needed for CaCl2 in silk fibroin dissolving?

Hi! Recently, I am working on silk fibroin extraction for biomedical application. I have some problem in details of extraction and dissolving of silk fibroin. For example, I don't know what kind...

26 June 2020 3,927 1 View

What kind of dialyses cassette is require for extraction of silk fibroin base on nature protocol 2011 (Attached in following)?

I have some question about the laboratory process of extraction silk fibroin from Bombyx mori base the Prof. Kaplan protocol. How much Silk cocoon need for 20 experiments? How dialyzes the final...

15 June 2020 8,694 1 View

Is there any dye for staining the axons?

Hello everyone, I was wondering if there is any chemicals dye that stain the axons. Thanks

20 February 2020 7,303 3 View

No title

I'm trying to collect milk from our knockout mice (at the end of the lactation stage) to isolate milk exosomes. But I have a hard time with milk collection from mice. I have used either pump or...

22 January 2020 4,527 1 View

How to design primers for gene variant or isoforms? Preferably by Allel ID?

I am trying to design some priers for RT-PCR. As my genes have many isoforms, so I have to design primer for conserved sequences. but the results aren't satisfactory.

17 March 2019 3,346 3 View

Why is it used in bioassays studies with essential oils for effect pesticidal from acetone solvent instead of DMSO?

In bioassay studies, the effect of essential oils is used as an insecticide from acetone, but is used to study the microbial activity of essential oils from DMSO solvents. Why?

12 March 2019 5,664 7 View

Which type of surface modification should be used to match metal and graphene?

graphene is the reinforcement in the metal matrix

26 February 2019 4,160 3 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Could you please share your experience with me on the type of 96 wells plate for MIC determination: Treated Vs Untreated and Round-Vs Flat-bottomed?

I am working on the MIC determination of various antibacterial agents (both water-soluble and- insoluble) against S. aureus, MRSA, and S. pyogenes. Some guidelines recommend using round-bottomed...

17 February 2021 7,029 3 View

Glucose 6 phosphate dehydrogenase deficiency & NSAIDs - is this combination harmless ?

G6PD deficiency is quite common in our anesthesia practice in the middle east. Intraop/postop analgesia in them is an issue here. Many websites/books give contrasting advise with former advocating...

10 February 2021 4,817 3 View

I am looking for a postdoc. Can anyone guide me in this respect?

My PhD thesis entitled as "Anticarcinogenic activity of Terpenoid containing plants against induced Hepatocellular Carcinoma (HCC). My extensive experimental work critically examined the potential...

08 February 2021 8,628 3 View

SARS-CoV-2 Spike Protein Western Bands?

Hello, I am western blotting SARS-CoV-2 spike protein from lentiviral using an antibody against S1. To prepare samples, I mixed concentrated lentivirus 1:1 with 2X Laemmli buffer and boiled...

07 February 2021 3,643 4 View

What is the best bioinformatic tool to predict the interaction of peptide with bacterial cell wall membrane?

Hello everyone, How are you guys doing? I'm currently working with antimicrobial peptide (AMP) project and one of our objectives is to predict the interaction of peptide against bacterial cell...

01 February 2021 1,351 3 View

Are any database collected cell penetrating anticancer peptides ?

Dear researchers, Anticancer peptides(ACPs) with cell-penetrating properties can enter to cytoplasmic space of cancer cells and induce cell death. but, I could not find the database that...

29 January 2021 707 3 View

How to take XRD of colloidal Ag NPs?

I have synthesized silver nanoparticles using sodium citrate as reducing agent. I have carried out XRD characterization by drop coating colloidal solution on the glass substrate ( since yield in...

27 January 2021 1,416 3 View

Anyone who used chelating agents during DNA extraction?

I am struggling to extract DNA from mine tailings even after enrichment due to suspected metal ions degrading DNA or inhibiting PCR reactions. I have used the following DNA extraction kits Zymo...

26 January 2021 4,542 2 View

What is the best way and technique for serial dilution of bactria to get accurate number of colony ?

Hello I am infecting cells with bacteria in a well and then I am doing serial dilution of this well 1 in 10 and culture the two last dilution on MHA agar I have difficulty in getting accurate...

26 January 2021 9,256 5 View