What is another alternative to Turbisan Lab Expert to check for nano lipid particles stability?

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Which commercially available yeast can produce bioethanol with higher productivity?

For bioethanol production brewers yeast is used. But which commercial yeast is preferred for higher productivity? Thank you

11 May 2022 2,824 8 View

How to perform DSC analysis of rice starch samples to determine gelatinization temperature and enthalpy?

I performed a DSC analysis of rice starch samples to determine gelatinization enthalpy and peak temperature. I'm expecting a gelatinization temperature between 60 to 80 celsius. What could be the...

29 March 2022 7,352 16 View

From a mixed culture of E.coli and lab bacteria, can I only grow lab by inhibiting the growth of e.coli on agar plate?

I have grown a mixed culture of E.coli and lab (different strains) together in a microplate. I would now like to see if lab is alive and would like to enumerate on an agar plate which could only...

17 December 2021 8,148 3 View

Low RIN for RNA nanostring - how to fix?

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14 December 2021 9,926 4 View

How to prepare 0.5% cmc _ carboxy methyl cellulose as vehicle to administer drugs to animals?

Drug ethanolic extract of A.calamus. vehicle CMC.

14 December 2021 6,250 0 View

[deleted q]? redacted?

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29 August 2021 6,130 6 View

How do we differentiate seed borne endophyte and a pathogen?

When we isolate Bacteria or fungus from seeds how can we tell whether they are endophytes or pathogens....is there any method or parameter to differentiate them...can anyone help answering this?

05 August 2021 6,114 3 View

Is 1 ml nutrient broth enough for overnight E.coli growth?

Hi, Can I please know if a bacterial culture is inoculated in 1 ml nutrient broth and incubated overnight in the centrifugation tubes? Will 1 ml of the nutrient broth be sufficient for the culture...

05 July 2021 3,306 2 View

How much quantity of overnight culture should I use for centrifugation to achieve 10^9 CFU/ml?

Hi, I have a question, I inoculated the fresh bacterial culture and incubated overnight in 5ml nutrient broth, I must centrifuge 4430*G for 5 minutes followed by decantating the supernatent and...

20 June 2021 5,496 2 View

Can abstract program slicing can be done based on boolean property?

By taking any program point and a boolean variable, can we perform an abstract slice based on the boolean property.

13 June 2021 291 0 View

Nano Orange protein quant on the Quantus fluorometer?

Is anyone here using the Thermo Fisher Nano Orange kit for protein quantification, and detecting the fluorescent signal on the Promega Quantus? We are struggling to make sense of the standard...

05 August 2024 8,946 3 View

Project/Experimental assistance ？?

Do experiments on behalf of Our Business: Laboratory animal rearing Animal modeling Experimental animal behavior detection, image ultrasonic detection, electrophysiology platform Organoid...

05 August 2024 5,829 1 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 1 View

Optimal siRNA Volume for Complexation with Liposomes in a 2.5 mL Solution with 10 mg/mL Lipid Concentration?

How much volume of siRNA can I add to 2.5 mL of liposomes with a total lipid concentration of 10 mg/mL?

27 July 2024 6,920 1 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

How to dispose off lipids waste?

I am looking for a lipid waste disposal method, keeping in mind the environmental, health and safety aspect of lipid waste. Could someone please provide guidelines or the lowest acceptable...

25 July 2024 637 5 View

How are clinical and environmental yeast/fungal strains stored usually in mycology laboratories?

I understand a glycerol stock for long-term preservation would be ideal, but how are working cultures generally stored? Mainly concerning Candida spp. isolates. A few references mention that they...

22 July 2024 6,592 3 View

Optimal siRNA Volume for Complexation with Liposomes in a 2.5 mL Solution with 5 mg/mL Lipid Concentration?

How much volume of siRNA can I add to 2.5 mL of liposomes with a total lipid concentration of 5 mg/mL?

18 July 2024 9,831 0 View

What does an additional peak in FTIR between 3100 and 3300 nm affect the quality of the material, benzethonium chloride USP??

I do not know much about FTIR! The material Benzethonium Chloride USP was compared to a reference standard in regards to FTIR, as per the USP testing: Identification B. Infrared absorption (FTIR),...

16 July 2024 6,918 7 View

Keith B Rodenhausen

For particle suspensions that are charge-stabilized, electrophoretic light scattering (ELS) is a method to evaluate the stability and shelf life by obtaining the zeta potential parameter. Here is an example of an instrument capable of performing such a measurement: https://www.anton-paar.com/us-en/products/details/litesizertm-500/

Kavitha Suki

Thank you