Why sodium cyanoborohydride reactivity depends on pH?

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How to cacualte the creep life of polycrystal with CPFEM?

I saw a paper(PHAN V-T, ZHANG X, LI Y, et al. Microscale modeling of creep deformation and rupture in Nickel-based superalloy IN 617 at high temperature [J]. Mechanics of Materials, 2017, 114:...

16 July 2024 8,436 0 View

What are the causes of abrupt changes in pupil area within a reasonable range?

In many pupil data it is always seen that there exists a momentary change in pupil area to a larger or smaller pupil, but what exactly causes the pupil to change abruptly within a reasonable...

12 June 2024 5,416 1 View

How about the latest progress in research on drones in coal mines?

Such as battery, localization, communication, safety and more.

21 May 2024 5,080 0 View

How to express spinors with an arbitrary change of coordinates?

A spinor field in classical differential geometry is defined as a section of a spinor bundle, which is by definition the associated bundle constructed from the spinor representation and the...

14 May 2024 400 0 View

How to identify of α‘ martensite Ti phase in hcp-α matrix?

For α-type Ti alloys such as some TA series, water queching from temperature above Tβ can induce the formation of acicular α’ martensite within hcp-α matrix. However, the atomic structures of...

07 April 2024 4,294 1 View

The discharge voltage of the aqueous battery cannot reach the charging voltage?

I set the discharge cut-off voltage to 1V, but at a current density of 1mA/cm2, the discharge voltage does not reach the cut-off voltage, why is that?

02 January 2024 6,937 1 View

Symmetric battery testing?

May I ask everyone, can symmetrical batteries in aqueous batteries be tested using a two electrode system? Or must it be installed as a button type battery?

24 December 2023 9,678 5 View

Long cycle testing of symmetrical batteries?

In the long cycle test of symmetrical batteries, the overpotential measured using a two electrode system is too high, which is a bit abnormal. How should we solve it?

24 December 2023 3,405 1 View

Can Anyone Identify Eastman's 1898 Paper Establishing Macropetalichthyidae?

I am researching the history of the Macropetalichthyidae family and came across a reference to Charles Rochester Eastman's pivotal role in establishing it. According to Denison (1978), Eastman...

16 December 2023 2,643 2 View

Do APP and EUV cleaning affect the work functions of ETL and HTL?

26 November 2023 2,019 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

How to confirm the site-directed mutagenesis result without performing NGS?

I'm cloning a fragment of 3200 nts into plasmid. The cloning was successful, however, 02 amino acids were mutated. Now I want to fix these 02 aa by site-directed mutagenesis technique using...

08 August 2024 4,645 2 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

How to assess the osmotic power of a substance?

Hello, I suspect that a molecule I am using is causing bacteria to experience osmotic shock. What chemical properties should I look for to compare this capability with those of other substances?...

06 August 2024 977 1 View

Why my colony PCR results of my recombinant bacterial not showing any results?

I am performing ligation of the plasmid and a target gene. The steps I have taken are: 1. Double digestion of the plasmid and target gene 2. Ligation of the plasmid with the target gene 3....

05 August 2024 2,570 3 View

Low-yield gel extraction problem?

I am having an issue with my gel image where my PCR product is not appearing very bright on the gel. When I perform gel extraction, the A260/280 purity value is very low. I used the Qiagen gel...

05 August 2024 9,798 3 View

PCR showing no bands - Master mix and primers didn't mix?

Hello everyone, I performed a PCR yesterday, and the results showed no bands on the gel. Of course, I probably missed some crucial steps, like adding my samples to the PCR strips themselves, for...

31 July 2024 2,406 6 View

Dimensions of an MJ Research 96-well alpha module?

Can anyone with an MJ research / BioRad PCR machine from ~2010 or earlier tell me the external measurements (LxWxH) of the removable standard PCR alpha modules that can be removed from a PTC200 or...

30 July 2024 2,867 0 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

How to check pH of a high strength hydrogel?

We are working on biopolymeric hydrogels. Our system is highly viscous and sticky, and the gel formed are high in strength. We are unable to use pH electrode and pH strip. Please suggest an easy...

30 July 2024 942 2 View