How much internal pressure can a quartz tube retain?

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I'm trying to respond to a request for a reprint. It gives me a message in a red box --"An error occurred." Nothing more. Why?

I have the file, and prefer to send it privately (because I'm not a lawyer, and don't really know what permissions I have to send or post it publicly). Please advise if possible.

30 May 2024 3,622 3 View

[SOLVED] Philips SEM XL30 (Tungsten Filament): HT not working after pressure failure?

Dear fellow researchers, We are currently operating a Philips XL30 Scanning Electron Microscope (SEM) equipped with a tungsten filament and have encountered a significant issue. Recently, our...

28 May 2024 232 2 View

[SOLVED] Philips SEM XL30 (Tungsten Filament): HT not working after pressure failure?

Dear fellow researchers, We are currently operating a Philips XL30 Scanning Electron Microscope (SEM) equipped with a tungsten filament and have encountered a significant issue. Recently, our...

28 May 2024 9,415 2 View

Probe-based qPCR not reaching plateau phase?

Hi, I'm in the process of developing a hydrolysis probe qPCR assay to quantify gene copy numbers of Microcystis 16S rDNA. In troubleshooting my cycling parameters, I'm getting resulting plots such...

15 January 2024 6,957 1 View

Nucleofection problem. What is the best buffer and the best program for nucleoporation?

I have been trying to transfect primary cells, essentially NK (CD56+) and monocytes (CD14+) using PiggyBac transposon system with no success. All cells die. I want to try some optimized protocols,...

31 October 2023 1,894 0 View

Are there commercial sugars linked to dyes that enable monitoring of lectin-sugar binding?

The binding of the sugar-dye compound with a lectin should facilitate a shift in the emitted light that enables monitoring of lectin activity. Or perhaps there are other ways to monitor lectin...

29 October 2023 2,319 1 View

Any suggestions for extraction method for stem barks of Entada phaseoloides? and what rotational speed, time, and temperature for rotary evaporation?

There are limited research about Entada phaseoloides L. which is hard to know whether what extraction process of its stem bark. I saw few studies but they are reviews or an article

26 September 2023 3,071 0 View

What are some ways to repair cavities in stator coils?

During visual inspection, a cavity was detected in the stator coil of a hydroelectric stator. What are some proposed methods to repair this defect?

10 September 2023 5,709 1 View

Can i use Rehabilitation theory for my research topic entitled "Assessing the level of recreation program of detainees in jail" ?

Also, I have prepared other theories that can be likely used for the study, such as positive psychology theory to be used in the field of the criminal justice system. also I'm in need to help me...

09 September 2023 8,220 4 View

the expression of inflammatory genes and the secretion of inflammatory cytokines are not always correlated ?

Hello, I stimulate Cows PBMC with LPS and with an anti-inflammatory (6 hrs before the LPS) and another case (6 hrs after the LPS) Incubation time 24 hrs Results : RT Pcr decrease in the...

22 August 2023 1,956 0 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

How effective is the Citi Bloc standard basket in enhancing the accuracy and comparability of international construction cost assessments?

Citi BLOC Standard Basket Definitions: A standardized unit representing a fixed basket of construction materials, labor, and equipment costs priced in various cities. Purpose: To create a common...

04 August 2024 8,997 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

Best Practices for Constructing and Maintaining Gravel Roads in Rural Areas?

Hello, I'm involved in a project focused on constructing and maintaining gravel roads in rural areas. We're particularly interested in ensuring durability and reducing maintenance costs over time....

29 July 2024 9,623 0 View

Seeking recommendations for equipment to mimic sunlight and heat up a greenhouse system?m?

I would like to conduct artificial sunlight experiments to mimic heat capture and air warming in a greenhouse system. The main objective is to heat up the temperature inside the greenhouse, not...

28 July 2024 4,006 2 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 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

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

How can we calculate the polygon scanner speed by changing the supply voltage?

I am using a polygon mirror scanner that have 6 facets and the dc brushless motor speed was given 10,000 RPM. Now I want to know how to calculate the polygon speed if I change the power supply...

11 July 2024 5,942 1 View

Used NIRS equipment?

Hello, Does anyone know where we could purchase a used NIRS system, for example, by Artinis or NIRx? Thank you. Greg

10 July 2024 8,325 0 View