Can medicinal plants really play an inherent rule in the COVID-19 tackle?

Numerous scientific reports cited plant extracts with potential antiviral activity and even anti-COVID-19? Why these findings are neglected? I remember very well the warning released by the WHO to...

17 February 2021 2,141 9 View

The low cost zebrafish brain structures measurement technique?

Dears we want to measure structural changes in zebrafish brain with a valid low cost instrument. what is your choice ?

18 November 2020 600 2 View

I'm working on a mesenchymal stem cells culture , I want to know roughly how many MSCs I can yield at passage 3 from a single rat bone marrow ?

I'm working on a mesenchymal stem cell culture isolated from rat bone marrow and I want to yield a specific MSCs count from passage 3 . I want to know the yield of cells in passage 3 to know how...

27 October 2020 396 1 View

When i made an Autotune on GC-MS to check the apparatus, it's not continue the process and there a problem in Mass Filter Electronics?

Dear Connections, I hope you are doing well when I made an Autotune on GC-MS to check the apparatus, it does not continue the process, and there a problem in the mass Filter Electronics as shown...

10 October 2020 8,131 3 View

Does anyone know what is an appropriate statistical analysis of drug release studies?

I am measuring the drug release of a few drug-eluting implants in dissolution medium in different time intervals. All the measurements are in triplicates. Would ANOVA or TTEST is an appropriate...

20 September 2020 8,183 5 View

What is the proper solvent which used in liquid detergent to make it soluble?

Good afternoon everyone, I hope you are doing well I had several samples of liquid detergent I wanna to soluble it with a solvent. I tried with both of ( water, Ethyl alc., Parrafin Oil, DPG,...

05 August 2020 8,664 3 View

What is the best parameters in GC-MS for DB-WAX (60m*0.250mm*0.25microm) in the fragrances field?

Hi everyone, I hope you are well and stay safe. I am an operator for GC-MS instrumental and my company replace the column with another new one which called DB-WAX (60m*0.250mm*0.25microm). A...

14 June 2020 4,440 3 View

No title

Under the conditions of the Corona virus, most countries tended to use the method of distance education, using various methods, including: e-learning platforms, and social media. It is true that...

10 April 2020 7,181 3 View

IS That okay if i injection ETOH to GC-MS?

I wanna to injection sample which contain only ethyl alcohol is that okay or not?

06 April 2020 9,164 4 View

Could car engine oil be an apropriate replace for freeze dryer pump oil?

We just got a new freeze dryer (Biobase) but unfortunately the machine arrived without pump oil, so could any machine/ car oil be used as a substitute? if not could you pls suggest any other type...

06 February 2020 167 3 View

For gelatin coating for culturing HUVEC.Should the gelatin be made in sterile water or PBS? Do I need to autoclave the gelatin soln after making it ?

I want to use 0.1% gelatin. Should that be made in PBS or sterile water? Should I autoclave the gelatin soln after making it in water/PBS?

28 February 2021 274 2 View

The reason that the culture of white fungi Contamination with green mold(Trichoderma), the culture autoclave at121 for 15 min. What is it?

Is the period to autoclave not enough? The inoculation in a hood and flame and UV and alcohol.

27 February 2021 9,356 3 View

Does any one have experience with Autoclavable cell culture media (RPMI 1640/DMEM)? Does it work well?

12 February 2021 2,958 1 View

What recipe of homemade lenti-virus concentrator do you use?

My lab is using a lenti-X concentrator. And we are looking for a homemade recipe. I have tried this recipe....

08 February 2021 5,965 1 View

Does anyone knows about a comercial software to record pressure and temperature during reaction in an Autoclave?

Dear all: Currently I am working with polymerization reaction in a reactor. For this, I need to control temperature, pressure, agitation speed etc. For calculation of rate of polymerization, I...

07 February 2021 355 2 View

What makes yellow color appear in phosphorus sample after autoclave digestion?

I was using autoclave for digesting water samples for Total phosphorus measurement with ascorbic acid method. The autoclave was set to perform 2 hours digestion and around 121 Celsius degrees. I...

25 January 2021 206 3 View

Disposing Congo Red Agar?

Hi all, Hope you are well. My lab is planning to use some Congo red agar (0.01%) for Shigella flexneri, and we are wondering how do you dispose of the used agar plates. The Shigella contaminated...

13 January 2021 9,823 2 View

How can Sea water impact the hydrodynamic size of Nanoparticles differently than the same Sea water if it is autoclaved?

I am using the same sea water as autoclaved as well as non-autoclaved after adding the nanoparticle. I am getting different Hydrodynamic size for the same nanoparticle.

06 January 2021 3,184 3 View

Please share some research papers on the synthesis of Mn3O4 nanoparticles via Hydrothermal method by using Manganese(II) nitrate hydrate?

05 January 2021 9,040 4 View

How to get dry petri dishes in glass after wet sterilization?

Hi, I warping my plates with paper, later put them in the autoclave (use wet sterilization cycle) but still some plates are get wet after ends the cycle. How to get dry the petri dishes? and if...

13 December 2020 8,062 4 View