#twinspin

[rafi602]

Wishing all you music lovers a happy 45 Friday! #45rpm #twinspin #grassynoël (at San Francisco Giants Baseball Complex) https://www.instagram.com/p/CPI-dF8sB2Q/?utm_medium=tumblr

[autoacafiles]

[uberstrainerusa]

What is the Function of TwinSpin in Buffy Coat Preparation?

You can go to our website for more details. Use our products to experience the distinction for yourself. Start using our density gradient centrifugation products for cell separation right away!

A buffy coat is an accumulation of platelets and white blood cells (WBCs). We'll discuss how TwinSpin helps in the preparation of a buffy coat.

A sample of peripheral whole blood contains less than 1% white blood cells (WBCs) and platelets. When scientists spin the blood sample in a centrifuge, these WBCs and platelets combine to form their own layer that is suspended between the red blood cells (RBCs) and supernatant plasma. This thin layer is referred to as a buffy coat because of its color (yellowish to brownish).

We will also find out how TwinSpin density gradient centrifugation tubes are used in buffy coat extraction.

A Brief On TwinSpin Tubes

Spin Medium can be used to separate peripheral blood mononuclear cells (PBMC) from bone marrow and whole blood into TwinSpin centrifuge tubes. A standard 15-inch tire and an inner tube make up the TwinSpin. The open bottom of the inner tube is submerged in the density gradient medium (DGM).

Instructions for Using the TwinSpin Tube

1. Ensure that the (diluted blood) sample, the TwinSpin, and the centrifuge are all at room temperature.

1.1 Check that the inner tube is partially filled and immersed in the DGM. If not, maintain the vertical position while rotating the TwinSpin device.

1.2 Take out and throw away the transport stopper.

2. Include Sample Material

2.1 Pipette the sample material on top of the DGM in the inner tube by tilting the TwinSpin 45° and allowing the sample to run down the inside of the dropper.

2.2 Push the elastic cap firmly into the opening to close the TwinSpin. PluriSpin PLT Depletion can be used to reduce platelet contamination.

3. Spin

3.1 Centrifuge at 800 x g for 20 minutes at room temperature in a swing bucket rotor, brake off. If the blood is more than 4 hours old, centrifuge it for 30 minutes at 1000g.

4. Collect

4.1 Remove the inner cell separation tube by unscrewing it.

4.2 Push the elastic cup down to collect cells in the opaque layer in a new tube.

5 Wash (if necessary)

5.1 Add wash buffer to the reaction tube.

5.2 Cells are spun down for 10 minutes with 300 x g at 4 °C (no or small break).

5.3 Remove the supernatant and set the reaction tube on the table for 20 seconds.

Excess wash buffer will flow down the tube wall and accumulate at the bottom. Aspirate the majority of the liquid above the pellet. The liquid will appear foggy because it contains mostly platelets; aspiration will improve the washing result.

5.5 Carefully pipette the pellet with 1 ml of wash buffer.

5.6 Re-do steps 5.1–5.4.

5.7 Refill the pellet to the desired volume.

Preparation of buffy coat from scratch

Buffy coats can be prepared in two different ways. To separate the whole blood into red cells, plasma, and buffy coat, the whole blood donation is centrifuged on the one hand. The second option is to filter the blood and keep the leukocytes from circulating.

[headyhawaii]

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[headyhawaii]

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[tonyvds-blog]

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#twinspin#blake#funtime

[hdydi]

Product Reviews: TwinSpin-Tunes for Twins [CD]

Expecting twin parents often ask what are the “gotta-gets” for a family with two on the way. Sure, there are the obvious: two car seats, inordinate quantities of diapers, two high chairs, a double stroller, and lots of hands ready to help.

One item that may not be so immediately evident, but one that I recommend heartily—with in-house, experience-earned enthusiasm—is TwinSpin: Tunes for Twins, the CD composed especially with twin-listeners in mind. Produced — and many songs sung — by twin mom Judy Faulkner Krause, the CD comes from a lilting voice of multiple mama perspective.

The TwinSpin tunes (iTunes) are hip, happy, and highly movement-motivating— totally devoid of the grating, sing-songy undercurrents so pervasive in the bulk of kids’ music. Spanning a variety of musical styles and incorporating a broad spectrum of instrumentation, this is a CD my twosome requests repeatedly—and with my blessing. As a matter of fact, I dare any plural parent not to get up and “Double Double Fun Fun” dance with their duo! Equally challenging is trying to hold back a maternal tear or two listening to the only twin-centric lullaby I’ve ever heard, “Sleep Softly”.

Every twin-blessed family should have a copy of TwinSpin: Tunes for Twins… smarter yet, have TWO! ENJOY!

Product Reviews: TwinSpin-Tunes for Twins [CD] was originally published on How Do You Do It?

[monicoperez]

Having some fun in South Africa with Kari & Lisha Schneider! @twinstravelclub #wvmomentum #southafrica #twinspin