Proper Pipetting Procedures – Adjustable Pipettes

We have put together a few important steps when it comes to proper pipetting procedures for an adjustable pipette. It’s very important to accurately use your pipette, pipette tips and pipette accessories. If done correctly, the transfer of liquid will be accurate.

  1. If you’re using an adjustable pipette, you must select the volume amount that needs to be transferred. You can do this by rotating the volume selector wheel to the correct volume. (Tip: Always go higher then the desired volume, then slowly turn the wheel down to the needed volume.)
  2. Then you will need to choose the correct pipette tip. When attaching, you must firmly press the shaft of the pipette into the wider opening of the tip for a good seal.  (Tip: Do not force the shaft into the tip, it could potentially cause damage over time.)
  3. Place either your index finger or thumb over the top of plunger and press to the first stopping point. Hold the plunger in this position.
  4. Place your pipette tip into your sample and let up on the plunger to allow the sample to rise into the tip. Also, make sure your pipette is vertical or within a 20 degree angle. (Tip: Do not remove your thumb from the plunger or let the plunger rise up fast because your sample volume might dispense incorrectly.)
  5. You will want to make sure you don’t have any bubbles in the pipette tip after the aspiration of the sample fluid is complete.
  6. Remove the pipette tip from the sample and wipe off excess fluid from outside of tip. (Tip: Be careful not to touch the bottom of the tip)
  7. To dispense the liquid sample into a receiving tube, press the plunger down slowly and steadily pass the first stop all the way to the bottom. Wait approximately 2 seconds to allow complete dispensing of sample into receiving unit.
  8. Then remove the tip from the wall of the receiving unit and release the plunger.
  9. Then simply dispose the pipette tip by pressing the ejector button to remove the tip and dispose in the appropriate bio-hazard container depending on your facility’s guidelines.

As always, following your facility’s guidelines and laboratory rules is highly recommended. If you have any questions regarding this post, please let us know in the comment box below!

Whiteboard Wednesday: How To Size Yourself For Your Lead Glasses

Properly sizing yourself for your lead glasses is important and knowing the measurements before purchasing is helpful. With many different styles to choose from, it’s important find the style and size that will fit best. A few key measurements to look for:

  • Eye size: refers to the horizontal width in millimeters of one of the frame’s lenses
  • Bridge size: measurement is the distance in millimeters between the two lenses. It is measured between the two closest points of the two lenses.
  • Temple size: is measured along the length of the temple, from one end to the other, including the bend.

To learn more, watch today’s Whiteboard Wednesday video below!

Featured Product: Padded Rubber Patient Restraint Strap with Buckles and Hooks

Today’s featured product is our Padded Rubber Patient Restraint Strap with Buckles and Hooks. This padded safety strap is ideal for safely and comfortably securing patients to an operating room table.



  • Strap Width: 2″ W
  • Padded Mid-Panel Dimensions: 18″ L x 5″ W
  • Available in 3 lengths: 96″, 108″, 120″
  • Strap Material: All Rubber, Conductive
  • Mid-Panel Pad Material: 3/4″ Thick Softcare Memory Foam with Deluxe Stretch Material Cover
  • Buckles: Two Airplane Style buckles to adjust strap length
  • Hooks: Ships complete with Two side rail Hooks to quickly anchor and remove the strap from the operating room table
  • Latex Free

Whiteboard Wednesday: Finding Comfort And Style In Lead Glasses

Today on Whiteboard Wednesday we discuss how to find comfort and style in radiation glasses! It’s important that your lead glasses are comfortable to wear. With many different styles and designs out there, it’s good to know what you’re looking for in leaded eyewear.

What Are The Different Styles Of Lead Glasses? 

Fit Over Lead Glasses


Ideal for medical professionals, the fit-over lead glasses have been designed for those who wear their own prescription eyewear. The Phillips fit-over frame is a comfortable and lightweight frame that is designed to fit over most prescription eyewear.

Overall Dimensions

  • Eye size: 59 mm
  • Bridge Size: 18 mm
  • Temple Size: 135 mm

The frames come standard with SCHOTT SF6HT 0.75 mm Pb lead equivalency radiation resistant glass and 0.35 mm Pb lead equivalency side shields. Many medical professionals enjoy the quality and fit over design so that they can wear them over their prescription glasses. The fit-over style frame is perfect for those whose lens prescriptions may change over time. The fit over lead glasses come with a protective case, adjustable strap and microfiber cleaning pouch.

Fit Over Lead Glasses

The glasses were true to the description, arrived quickly, and are perfect for wearing over my prescription lenses. The sleeve and case provided work perfectly. I travel extensively for work and the case makes traveling with the glasses several times a week.~Brandon from San Francisco, CA

Wrap around Lead Glasses 

Offering a panoramic view, the wrap-around frames have been designed to curve around the head providing a larger viewing area and improved comfort. Those who are looking for a rugged and sporty look will find that the semi-circular shape of the wrap-around frame provides a wider field of vision and improved peripheral vision. The wrap-around lead glasses are well-suited for people with oval, heart-shaped or diamond faces.

Jake Wiley-X Wrap Around Radiation Glasses

Excellent product, I have had many compliments on the style of the Jake Wiley-X Wrap Around Glasses, peripheral vision is excellent, the case is great, and service from Universal Medical is excellent. Thank You ~Richard Martin from Auburndale, FL

Lead Goggles

Designed to be worn over existing eyewear or those who prefer goggles over traditional lead glasses. The large lens pockets allow for an enlarged viewing area. The front lenses come standard with SCHOTT (SF6HT) 0.75 mm lead equivalency radiation resistant lead glass. The goggle design is ideal for those looking to protect against splashing and sweat on their face. The elastic headband makes wearing the lead goggles more comfortable for longer procedures.


Selecting the right pair of lead glasses or goggles is an important decision, take the time to review your options before making your decision. If you have any remaining questions, please feel free to contact us. We want you to select the right pair of lead glasses that will provide you with the proper protection and a comfortable fit.

Featured Product: Apron Carry Bag

Today’s featured product is the apron carry bag, perfect for the rad tech on the go! This carry bag holds protective apparel, such as lead aprons, lead skirts and lead vests.


  • Conveniently holds and protects your protective apparel
  • Its tube shape design allows for apron to be wrapped around a sturdy cardboard tube, while keeping it safe and secure
  • Includes cardboard tube, carrying handle and shoulder strap
  • Holds one apron
  • Size: 8″ Diameter x 29″ L
  • Latex Free


Whiteboard Wednesday: Why Ultrasound Guided Procedures Are Common

Today on Whiteboard Wednesday we discuss why ultrasound guided procedures are common in many medical settings.


Whiteboard Wednesday: Benefits Of Using Ultrasound Gels And Warmers

Ultrasound gel and warmers are essential tools found in many hospitals, clinics and doctors offices today. Today on Whiteboard Wednesday we talk about the benefits of using ultrasound gel and warmers.

Whiteboard Wednesday: Using Ultrasound Lotion In Therapeutic Ultrasound Treatments

On today’s Whiteboard Wednesday we discuss how ultrasound lotion is used in therapeutic ultrasound treatments and the benefits these treatments can have on a patient’s body.

Featured Product: Nike Full Rim Metal Radiation Glasses

Today’s featured product is new to our lead glasses selection! The Nike 8094 Full Rim Metal Radiation Glasses are designed for men and provide a sporty, yet durable frame.


  • Lightweight, sporty, stylish frame design
  • Level of protection: standard 0.75mm lead equivalency
  • Frame color: matte black
  • Frame type: full frame for excellent viewing
  • Frame material: metal
  • Frame shape: rectangular
  • Customize them with an imprint of up to 35 characters
  • Fog-free or anti-reflective enhancement available


Whiteboard Wednesday: Uses Of Ultrasound Technology

Ultrasound imaging has many uses in today’s medical field, watch our Whiteboard Wednesday video below to learn more.