Blocking Agents

W3831 Promega Tween® 20 2.5ml
W3841 Promega Blot-Qualified BSA, 10g
W3831 Promega Tween® 20 2.5ml
customize-this-small
View information on global supply logistics

Blot-Qualified BSA and Tween® 20 for Use as Blocking Agents for Antibody Detection

  • Blot-Qualified BSA saturates excess sites of antibody binding on membranes for AP antibody conjugates
  • Tween® 20 (100%) is used in immunoscreening to dissociate nonspecific interactions with an antibody probe

Choose a Blocking Agent

Size

Catalog number selected: W3841

$ 80.00
Your price:
Add to Cart
This product is discontinued
Add to Helix
This product can be added to Helix

This product is available through the Promega Helix onsite stocking program. We offer numerous convenient solutions to meet your lab's needs.

Learn more about the Helix Collection »

This product can be added to Helix

This product is available through the Promega Helix onsite stocking program. We offer numerous convenient solutions to meet your lab's needs.

Learn more about the Helix Collection »

This product is available under our Early Access program - Learn More
This product is available under our Catalog (FT) program - Learn More
Blocking Agents
BSA/10g
$ 80.00
Your price: Log in
Change Configuration

BSA (bovine serum albumin) is tested and qualified for optimum performance in immunoblotting applications with alkaline phosphatase antibody conjugates. It is alkaline phosphatase-free. BSA can be used as a blocking agent to saturate excess sites of antibody binding on membranes. 

Tween® 20 is a nonionic detergent used as a buffer component for immunoscreening in the ProtoBlot® Systems. This detergent acts in solution to dissociate nonspecific interactions with an antibody probe.

Specifications

You are viewing: W3841 Change Configuration

What's in the box?

Item Part # Size

Blot-Qualified BSA

 W384A 1 × 10g

SDS

Search for SDS

Certificate of Analysis

Search by lot number

Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

DD

Specifications

You are viewing: W3831 Change Configuration

What's in the box?

Item Part # Size

Tween® 20

 W383A 1 × 2,500μl

SDS

Search for SDS

Certificate of Analysis

Search by lot number

Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Storage Conditions

DD

Let's find the product that meets your needs.

Talk to a Scientist

Alessandro

Alessandro

Italy
Choose your country

Americas

Brazil
/
Canada
/
United States
/

Pacific Asia

Australia
China
/
India
Japan
/
Korea, Republic of
/
Singapore

Europe

Austria
/
Belgium
Denmark
(Incl. Faroe Isl. & Greenland)
Estonia
Finland
(Incl. Åland)
France
/
Germany
/
Iceland
Ireland
Italy
/
Luxembourg
Netherlands
Norway
(Incl. Svalbard)
Poland
/
Spain
/
Sweden
Switzerland
United Kingdom

Manage Cookies

Necessary Cookies

We use these cookies to ensure our site functions securely and properly; they are necessary for our services to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as logging in, using a shopping cart or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of our services will not work without them. Like the other cookies we use, strictly necessary cookies may be either first-party cookies or third - party cookies.

Preference Cookies

We use these cookies to remember your settings and preferences. For example, we may use these cookies to remember your language preferences.

Performance/Statistics Cookies

We use these cookies to collect information about how you interact with our services and to help us measure and improve them. For example, we may use these cookies to determine if you have interacted with a certain page.

Marketing Cookies

We and our advertising partners use these cookies to deliver advertisements, to make them more relevant and meaningful to you, and to track the efficiency of our advertising campaigns, both on our services and on other websites and social media.

Your Privacy Choices

Our website supports your privacy choices by allowing users in select regions to opt out of specific types of sharing/sales/use of cookies and technologies for Targeted Advertising. Visit our Privacy Policy and Cookie Policy pages to learn more about these topics.

Targeted Advertising

Deselect this checkbox to disable cookies related to targeted advertising in your Promega experience. These advertising cookies will no longer be set for this browser and device.

Note: These settings are based on necessary cookies that are placed on your device, and if those cookies are cleared or you access the website from another browser or device, advertising cookies might be reset by default in the future, from which you can opt-out.