What kind of pipette bulbs do you use for 5 3/4" disposable pipettes?

04 March 2019 0 2K Report

I currently use a basic rubber pipette bulbs that look like product # Z615927 from Sigma but they dry out and crack and I would like something more robust to reduce waste. Thank you in advance.

Badges
Science topic

More J. Auld's questions See All

Ti6Al4V - Phase differentiation between alpha and alpha prime martensite?

Dear Researchers, Is it feasible to distinguish between alpha and alpha prime martensite in the Ti6Al4V alloy under rapid solidification in the as-cast state using XRD, in addition to...

30 July 2024 3,849 0 View

Dear researchers. pl help how to plot jablonski energy level graph and magnetic hysteresis curve in origin?

through origin software

17 July 2024 4,991 0 View

How to make pre-post data analysis more 'sophisticated' than a paired samples t-test?

As part of my thesis I'll be conducting a single-sample pre-post intervention analysis, in which my only DV is ordinal (7-point Likert scale). In my research proposal I said that I would use...

05 June 2024 3,122 2 View

Is the "snowball metrics" mathematically well-founded?

Snowball metrics is used by scival.com to report some performance indicators. This metrics seems rather obscure from the mathematical standpoint. Unfortunately there is apparently (after a quick...

05 June 2024 7,463 0 View

How to deal with zero/negative growth rates in tree growth models?

Tree growth is an important aspect of forestry and forest ecology. Typically a growth rate is calculated as the difference between two stem diameter measurements over a given time interval: (dbh2...

15 May 2024 8,739 2 View

How can technology help hospitalized children?

How do you think technology can help hospitalized children?

10 May 2024 950 2 View

Open channel hydraulics inside pipes, transient regime?

Someone has a computer program, algorithm or spreadsheet to solve problems of transients on a water flow in open channel regime through a circular section (flowing inside a pipe with free surface)?

10 April 2024 9,477 2 View

What are the types of AI weaponry?

What AI weaponry means to you? what are the types?

06 April 2024 3,384 1 View

Whats wrong with the Illumina sequencing?

I recently performed Illumina shotgun sequencing and my fastqc data is as attached. is this correct?

01 April 2024 3,354 6 View

What is the diffusion coefficient (D) for chloroamphenicol antibiotic?

I need to compute the electrode's active surface area.

31 March 2024 909 0 View

Is the black sediment consider as sand? If not, how can I filter it out?

Hi researchers! I'm working on soil texture analysis, and the end result for sand is doubtful because there is black sediment appearing after drying, as shown in the figure. Is it considered sand?...

30 July 2024 557 2 View

Where to start the Analytical model for Dry sliding wear of metal surface ?

I am doing research on wear mechanism of the additive manufactured metal parts under dry condition. Please share the reference to start the analytical modelling of the wear prediction.

29 July 2024 6,115 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 to add viscosity into a hyperelastic material such as Mooney-Rivlin rubber in LS-DYNA?

Hi, I am working on a head FE model and want to try different material types on brain. I read some papers that use Mooney-Rivlin rubber model and wondering if i can add viscosity into it. Is it...

24 July 2024 5,908 0 View

Can you suggest reliable procedures to get displacements from accelerations in frequency domain ?

I have identified many solutions. I need suggestion from somebody with application experience of this topic to identify the most reliable and robust procedure.

21 July 2024 3,465 5 View

Issues with Malaria Coated Nitrocellulose Membrane Releasing Moisture?

Hello, I am currently working with Malaria Pf/Pan nitrocellulose membranes coated for malaria detection. After drying the coated membranes in an Incubator (overnight at 37°C), I've noticed that...

16 July 2024 7,937 1 View

What are the effects of coffee husks waste to the environment ?

Coffee waste

16 July 2024 1,303 3 View

Why does total carboydrate content decrease when increasing the vacuum degree?

I have conducted a survey on the "effect of vacuum drying conditions on carbohydrate content of angelica.S". The result show that, when increasing the vacuum degree, the carbohydrate content first...

13 July 2024 592 1 View

Quelles applications innovantes peuvent bénéficier des propriétés des géopolymère?

Les géopolymères offrent plusieurs propriétés intéressantes qui peuvent être exploitées dans diverses applications innovantes : 1. Construction durable : - Bétons à faible empreinte carbone -...

10 July 2024 7,457 1 View

How to convert ppm to μmoles/g?

Hello, I am trying to convert to convert ppm of a solution to μmoles/g of dry sample.

09 July 2024 7,081 1 View