Globe Scientific

Rollers & Rotators

<h2>What are tube rollers and rotators?</h2>
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Tube rollers and rotators are low-speed mixing instruments that provide gentle, continuous agitation of tubes and bottles through rolling or inversion motion rather than high-speed shaking. A tube roller operates by rotating horizontal rollers that the tubes or bottles rest on, causing them to roll along their long axis in place, creating slow, even mixing of the tube contents without introducing air bubbles. A rotator (end-over-end mixer) clamps tubes in a wheel or drum that rotates at 5&ndash;30 rpm, inverting the tubes repeatedly through a full circle for thorough but gentle mixing.
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<h2 dir="ltr">What you will find:</h2>
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<a href="https://mbpinc.net/equipments/agitation-equipment/rollers-and-rotators">Rollers &amp; Rotators</a>:
<ul data-path-to-node="2">
<li>
Mini &amp; Digital Rotators: Compact benchtop rotating mixers and programmable units designed for smooth, continuous sample inversion.
</li>
<li>
Multi-Roller Tube Rollers: High-capacity 5-roller, 6-roller, and 10-roller systems engineered for uniform rolling of culture bottles and blood tubes.
</li>
<li>
Temperature-Controlled Rotators: Special incubated models that combine steady sample rotation with precise temperature management.
</li>
<li>
Platform Rockers: Basic single-platform shaking and rocking systems optimized for blot washes and gel staining procedures.
</li>
</ul>
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<a href="https://mbpinc.net/equipments/agitation-equipment/rollers-and-rotators/roller-and-rotator-accessories">Roller &amp; Rotator Accessories:</a>
<ul>
<li data-path-to-node="4,0,0">Interchangeable Tube Holders: Snap-on racks and clips designed specifically to accommodate 1.5ml, 2.0ml, 15ml, and 50ml laboratory tubes.</li>
</ul>
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<h2>How to choose rollers and rotators</h2>
&nbsp;
Choose a tube roller for blood collection and clinical tube mixing
Tube rollers are the standard instrument for homogenizing anticoagulated blood collection tubes before clinical testing, operating at 5&ndash;20 rpm to ensure even mixing of blood and anticoagulant without hemolysis from excessive speed. The roller format also suits other tubes and bottles that are too long for end-over-end rotation to work effectively in the space available.
Choose a rotator for antibody-bead incubations and immunoprecipitation
End-over-end rotators invert tubes through a full 360&deg; cycle, ensuring that beads settled at the tube bottom are continuously resuspended and that the bead surface is uniformly exposed to the solution throughout the incubation. This complete inversion is essential for immunoprecipitation, pull-down assays, and antibody-coupling incubations where beads must stay in suspension for efficient binding.
Consider the tube capacity and format each instrument accommodates
Tube rollers hold a fixed number of tubes of defined diameter on the roller surface; rotator wheels typically accommodate a defined set of tube positions for specific tube formats. Confirm that the instrument handles the tube diameter, length, and quantity you work with most commonly, and that accessories are available to accommodate additional formats.
Evaluate speed range against your mixing requirement
Blood sample homogenization requires gentle speed of 5&ndash;12 rpm to avoid hemolysis, while antibody-bead incubations can use faster rotation of 10&ndash;30 rpm for more active suspension maintenance. A variable-speed rotator provides flexibility across applications; a fixed-speed roller set at the correct blood mixing speed is adequate for dedicated blood handling.
Confirm whether incubator-compatible models are needed for your workflow
Rotator and roller incubations often require 37&deg;C for antibody binding or hybridization reactions. Models designed for incubator interior use have compact profiles and materials that tolerate incubator humidity and temperature, while standard bench models are not always rated for this environment.
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<h2>Specifications context</h2>
&nbsp;
Tube rollers used for blood sample mixing are typically operated at a fixed or low-speed range of 5&ndash;12 rpm, a range established from clinical literature showing that this rotation speed adequately homogenizes anticoagulated blood without inducing hemolysis from mechanical stress. As of 2026, compact benchtop tube rollers that fit inside standard incubators and cold rooms without taking up significant shelf space remain popular in clinical and research labs for routine sample preparation.
If you&rsquo;re unsure which rotation style or capacity fits your current workflow, the MBP team is here to help&mdash;<a href="https://mbpinc.net/equipments/rollers-and-rotators">contact us today for a custom quote.</a>

Instruction Manual

Product Literature

Horizontal Digital Tube Rotator with Adjustable Speed

GTR-HD by Globe Scientific -- horizontal digital tube rotator, 10-70 rpm adjustable, LCD speed and timer display (1-1,199 min), brushless DC motor, 100-240V, cold-room compatible (5-40degC). Supports 1.5/2.0 mL, 15 mL, and 50 mL tubes; 16 x 50 mL vertical holder included. 2-year warranty.

Tube Capacity

Speed Display

Timer Display

Timer

Speed Range

Operation Mode

Voltage

Power

Dimensions (W x D x H)

Operating Temperature

Permissible Relative Humidity

Protection Class

Warranty

Manufacture

Tube Rotator, Horizontal, Digital, Adjustable Speed and Angle, 120-240v, 50/60Hz, US, UK, EU Plugs (Includes: 16-Place Tube Holder for 50mL Tubes)

Tube Holder for use with GTR-HD Series Tube Rotators, 48 Horizontal Places for 1.5mL Microcentrifuge Tubes

Tube Holder for use with GTR-HD Series Tube Rotators, 48 Horizontal Places for 15mL Microcentrifuge Tubes

Tube Holder for use with GTR-HD Series Tube Rotators, 24 Horizontal, Places for 50mL Microcentrifuge Tubes

Tube Holder for use with GTR-HD Series Tube Rotators, 32 Vertical Places for 1.5mL Microcentrifuge Tubes

Tube Holder for use with GTR-HD Series Tube Rotators, 16 Vertical Places for 15mL Microcentrifuge Tubes

Tube Holder for use with GTR-HD Series Tube Rotators, 16 Vertical Places for 50mL Microcentrifuge Tubes

User Manual

Industrial Digital Tube Rotator

The GTR-ID by Globe Scientific is an all-metal industrial digital tube rotator designed for high-demand labs that need durable end-over-end or rolling rotation without the broken plastic clamps common in lighter-duty models. Speed adjusts digitally from 10 to 70 rpm via LCD display, and tilt angle is continuously adjustable from 0 to 90 degrees using a graduated scale printed directly on the housing. Includes an 8-place 50 mL tube holder disk; optional disks for 1.5/2.0 mL and 15 mL tubes and disk-stacking rods are available separately. Compatible with cold rooms and incubators.

Tilt Angle

Motor Type

Weight

Tube Rotator, Industrial, Digital, Variable Speed and Angle, 120-240v, 50/60Hz, US, UK, EU Plugs (Includes: 8-Place Disk for 50mL Tubes)

Tube Holder Disk for use with GTR-ID Series Tube Rotators, 60-Place Disk, for 1.5mL Microcentrifuge Tubes

Tube Holder Disk for use with GTR-ID Series Tube Rotators, 16-Place Disk, for 15mL Centrifuge Tubes

Tube Holder Disk for use with GTR-ID Series Tube Rotators, 8-Place Disk, for 50mL Centrifuge Tubes

Tube Holder Disk Stacking Rods (allows for use of 2 x GTR-ID Series Tube Holders at once), 4 Each

Industrial Analog Tube Rotator

The GTR-IA by Globe Scientific is an all-metal industrial analog tube rotator with a fixed-angle Ferris Wheel disk for true end-over-end rotation. Analog speed control covers 0 to 80 rpm; no programming required. Includes 12 tube clips each for 1.5/2.0 mL, 15 mL, and 50 mL tubes (36 total), configurable in any combination on the same disk. DC motor, 100-240V 50/60 Hz, cold room compatible. 2-year warranty.

Dimensions (WxDxH)

Tube Rotator, Industrial, Analog, Variable Speed and Fixed Angle, 120-240v, 50/60Hz, US, UK, EU Plugs (Includes: Configurable Disk with Tube Holder Clips, 12 each 1.5/2.0mL, 12 each 15mL and 12 each 50mL)

Tube Holder Clips for use with GTR-IA Tube Rotator, 12 each for 1.5mL Microcentrifuge Tubes

Tube Holder Clips for use with GTR-IA Series Tube Rotators, 12 each for 15mL Centrifuge Tubes

Tube Holder Clips for use with GTR-IA Series Tube Rotators, 12 each for 50mL Centrifuge Tubes

Tube Roller, Digital, Variable Speed, 6 Rollers, 120-240v, 50/60Hz, US, UK, EU Plugs

GTR-DVS by Globe Scientific is a digital tube roller with 6 rollers and adjustable speed from 10 to 70 RPM, built for blood tubes, conicals, and round bottles up to 4 kg total load. The dual rolling-and-see-saw motion, DC brushless motor, and 1–1,199 minute timer support both quick mixing and extended overnight protocols. Universal 100–240 V / 50–60 Hz input with US, UK, and EU plugs included.

Amplitude

Motion

Max. Load Capacity

Number of Rollers

Roller Size (Length)

Time Setting Range

Tube Roller, Analog, Variable Speed, 6 Rollers, 120-240v, 50/60Hz, US, UK, EU Plugs

The GTR-AVS by Globe Scientific is a 6-roller analog variable-speed tube roller with dual rolling and see-saw motion, 10-70 rpm, 8.8 lb max load (10 x 15/50 mL tubes), DC brushless motor, 100-240V. US, UK, and EU plugs included. Cold room and incubator compatible. For exact speed documentation, use the GTR-DVS digital model.

Transfer Pipettes

<h2>What are disposable transfer pipettes?</h2>
&nbsp;
Disposable transfer pipettes are single-use plastic liquid-handling tools made from low-density polyethylene (LDPE). They are designed as a one-piece bulb-and-stem system used for transferring, dispensing, and handling small volumes of liquids in laboratory workflows.
They are commonly used as a safer and more convenient alternative to glass Pasteur pipettes. Being plastic and disposable, they eliminate the risk of breakage, reduce cross-contamination, and remove the need for separate rubber bulbs. The flexible bulb allows controlled aspiration and dispensing of reagents, samples, and solutions.
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<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Graduated transfer pipettes &ndash; for approximate volume measurement and controlled dispensing</li>
<li>Non-graduated transfer pipettes &ndash; for simple liquid transfer without measurement markings</li>
<li>Fine-tip transfer pipettes &ndash; for small droplets and precise spot dispensing</li>
<li>Sterile transfer pipettes &ndash; for microbiology and contamination-sensitive workflows</li>
<li>Non-sterile transfer pipettes &ndash; for routine laboratory use</li>
<li>Disposable Pasteur pipettes &ndash; for general single-use liquid handling</li>
</ul>
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<h2>How to choose transfer pipettes</h2>
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Tip style Fine-tip pipettes are used for precise work such as microplate spotting and small-volume handling. Standard tips are suitable for general transfers, while wide-bore designs are better for viscous liquids or blood samples. Longer stems help access deep containers.
Capacity and volume handling Select pipettes based on typical working volumes. Smaller pipettes are suitable for low-volume transfers, while larger ones are used for routine sample handling. The effective draw volume depends on bulb capacity and usage technique.
Graduated vs non-graduated Graduated pipettes allow approximate volume estimation and are useful in clinical and diagnostic workflows. Non-graduated pipettes are intended for general dispensing where precise measurement is not required.
Sterility requirements Sterile pipettes are used in microbiology, cell culture, and clinical applications where contamination control is essential. Non-sterile versions are suitable for general laboratory and teaching use.
Length and accessibility Long pipettes are preferred for deep vessels such as flasks and bottles, while shorter designs are used for compact tubes and small workspaces.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Disposable LDPE transfer pipettes are widely used laboratory consumables for general-purpose liquid handling in research, clinical, and educational environments. They are available in sterile and non-sterile formats with multiple tip designs and capacities to support different workflows.
These pipettes remain a standard alternative to glass Pasteur pipettes due to their safety, low cost, and reduced contamination risk in routine laboratory applications.
For bulk orders or lab-specific requirements, <a href="https://mbpinc.net/contact-us">contact the MBP team</a> for assistance and pricing.

Narrow Stem Transfer Pipets Specifications

Narrow Stem Transfer Pipets

139020 by Globe Scientific is a 6.5 mL narrow-stem LDPE transfer pipet, 155 mm long, with a 2.1 mm flexible tip, 3.2 mL bulb draw, and 28 drops/mL. Non-graduated; non-sterile. The flexible narrow stem accesses tubes and vessels inaccessible to standard transfer pipets. 500 per dispenser box; sterile options also available.

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, 500/Dispenser Box

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, STERILE, Individually Wrapped, CS/5000

Transfer Pipet, 4.0mL, Narrow Stem, Short, 85mm, STERILE, 20/Bag, 25 Bags/Unit, CS/5000

Transfer Pipet, 6.5mL, Narrow Stem, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 6.5mL, Narrow Stem, 155mm, 500/Dispenser Box

Transfer Pipet, 1.2mL, General Purpose, 65mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 1.2mL, General Purpose, 65mm, 500/Dispenser Box

Transfer Pipet, 1.2mL, General Purpose, 65mm, STERILE, Individually Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 1.2mL, General Purpose, 65mm, STERILE, 20/Bag, 25 Bags/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, 500/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, 500/Dispenser Box

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, STERILE, Individually Paper Peel Wrapped, 100/Bag, 5 Bags/Unit

Transfer Pipet, 4.5mL, Narrow Stem, Long, 155mm, STERILE, 20/Pack, 25 Packs/Unit

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, 250/Dispenser Box, 10 Boxes/Unit

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, 250/Dispenser Box

Transfer Pipet, 15.0mL, Narrow Stem, Large Bulb, 155mm, STERILE, 20/Bag, 25 Bags/Unit

15ml & 50ml Centrifuge Tubes

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
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What you will find:
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<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
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<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
&nbsp;
Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
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<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
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Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
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<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
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Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

15mL Acrylic Centrifuge Tubes

Globe Scientific 6267 — 15mL clear acrylic (PMMA) conical centrifuge tube with separate red PP screw cap, printed graduations, non-sterile, 500 per case.

Centrifuge Tube, 15mL, Separate Red Screw Cap, Acrylic, Printed Graduations, CS/500

Centrifuge Tube, 15mL, Attached Red Screw Cap, Acrylic, Printed Graduations, STERILE, 50/Rack, 10 Racks/Unit, CS/500

Thermal Labels

<h2 dir="ltr">What Are Laboratory Thermal Labels?</h2>
 Laboratory thermal labels are adhesive labels designed for printing by direct-thermal or thermal-transfer desktop label printers &mdash; the two print technologies used for barcode and specimen ID generation in research, clinical, and diagnostic labs. Direct-thermal labels activate a heat-sensitive coating to produce an image without ink or ribbon; thermal-transfer labels use a resin or wax ribbon to fuse ink into the label surface. Thermal labels cover a wide range of container types: cryo vials, microcentrifuge tubes, PCR strips, 15/50 mL conicals, microscope slides, and specimen collection bags. Choose thermal-transfer labels for any sample requiring chemical resistance, temperatures above +50 &deg;C, or long-term barcode legibility; choose direct-thermal for low-cost, short-to-medium-term applications.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Direct thermal labels for quick, ink-free sample identification.
</li>
<li dir="ltr" aria-level="1">
Thermal transfer rolls for high-durability, permanent barcode printing.
</li>
<li dir="ltr" aria-level="1">
Solvent-resistant labels that withstand alcohol and cleaning agents.
</li>
<li dir="ltr" aria-level="1">
Freezer-grade thermal stickers for stable low-temperature archiving.
</li>
<li dir="ltr" aria-level="1">
Perforated label rolls for easy tearing and rapid application.
</li>
<li dir="ltr" aria-level="1">
Various sizes tailored for microtube caps and side-wall labeling.
</li>
</ul>
<h2 dir="ltr"> How to Choose Laboratory Thermal Labels</h2>
 Print Technology Compatibility Confirm whether the printer is direct-thermal (no ribbon required, e.g., Zebra GK420d, DYMO LabelWriter) or thermal-transfer (ribbon required, e.g., Zebra ZT230, Datamax M-Class). The two label types are not interchangeable &mdash; a thermal-transfer label will not print correctly in a direct-thermal printer and vice versa. Temperature and Chemical Exposure Direct-thermal label coatings degrade above approximately 50&ndash;60 &deg;C and with prolonged UV exposure, limiting their use to room-temperature and short-term cold storage applications. Thermal-transfer labels with a resin ribbon produce output resistant to temperatures up to +100 &deg;C, ethanol, xylene, and sanitizing wipes &mdash; required for autoclave tracking, histology, and GLP-regulated sample management. Container and Size Match Label dimensions must match the printable area of the label and the geometry of the container. Common lab thermal label widths are 0.5&ndash;2 inches; lengths are 0.25&ndash;3 inches. Verify dimensions against the container's flat-printable surface, accounting for any wrap-around on curved vials. Roll Core and Printer Compatibility Standard roll cores are 1-inch inner diameter for compact desktop printers; 3-inch cores fit high-volume industrial label printers. Confirm the printer's maximum roll diameter and label width capability before selecting roll format. Material: Paper vs. Polyester Paper-based thermal labels cost less and are suitable for ambient-temperature, short-duration applications (reagent dating, sample intake). Polyester thermal labels are moisture-resistant, more tear-resistant, and rated for demanding environments including freezers and chemical splash &mdash; specified for long-term specimen tracking and any application where label durability is a safety or compliance requirement. 
<h2 dir="ltr"> Specifications Context</h2>
 Direct-thermal label paper weight is typically 58&ndash;80 g/m&sup2;; polyester variants are 50&ndash;100 &micro;m thick. Standard roll dimensions are 2.25 inches &times; 1.25 inches (common for specimen tubes) and 4 inches &times; 6 inches (common for shipping and larger specimen bags). Print resolution for lab barcode labels should be 300 dpi for 1D/2D barcodes on labels smaller than 1 inch &times; 0.5 inch &mdash; 203 dpi produces legible output on larger-format labels.&nbsp;
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Stop struggling with faded barcodes. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Ask the MBP Team</a> for a quote right now, we help you make your data permanent.

Direct Thermal Label Rolls for Cryogenic Vials

Direct Thermal Cryogenic Label Rolls (LTC-27X13) &ndash; 27 &times; 13 mm, 1,000 labels per roll. Special cold-temperature adhesive rated to &minus;196 &deg;C (&minus;311 &deg;F). Direct thermal printing, no ink or ribbon needed. Smudge-resistant, writeable surface. Available in Blue, Green, Orange, Red, and White. Made in the USA. Printing instructions and template included.

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Blue, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Orange, ROLL/1000

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Blue, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Orange, ROLL/750

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Green, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Red, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, White, ROLL/1000

Label Roll, Cryo, Direct Thermal, 27x13mm, for Cryogenic Vials, Yellow, ROLL/1000

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Green, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Red, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, White, ROLL/750

Label Roll, Cryo, Direct Thermal, 38x13mm, for Cryogenic Vials, Yellow, ROLL/750

Microcentrifuges

<h2>What Are Microcentrifuges?</h2>
&nbsp;
Microcentrifuges are compact, high-speed benchtop centrifuges designed specifically for 0.2&ndash;2.0 mL microtubes and PCR strips, operating at 10,000&ndash;21,000 &times;g in a fixed-angle rotor. They are the primary centrifugation instrument in molecular biology, biochemistry, and clinical molecular diagnostics labs: nucleic acid pellet formation after ethanol precipitation, spin-column DNA/RNA extraction and PCR cleanup steps (typically specified at 10,000&ndash;16,000 &times;g for 30&ndash;60 seconds), cell debris clearance from lysates, protein precipitation supernatant recovery, and brief sample clarification before downstream analysis. Standard benchtop microcentrifuges reach 14,000&ndash;15,000 RPM (16,000&ndash;21,000 &times;g), while high-speed models reach up to 21,000 RPM and approximately 31,000 &times;g. Refrigerated variants maintain 0&ndash;4&deg;C for temperature-sensitive workflows.
&nbsp;
<h2>What You Will Find:</h2>
&nbsp;
<ul>
<li>High-Speed Microcentrifuges: For faster sample processing</li>
<li>Refrigerated Microcentrifuges: For temperature-sensitive handling</li>
<li>Benchtop Microcentrifuge Systems: For routine lab working</li>
<li>5D Digital Microcentrifuge: With customizable time and speed options</li>
<li>Mini Microcentrifuges: Compact units for rapid spin-down tasks</li>
<li>MC-24 High-Speed Microcentrifuge: Features touch screen control and high speed</li>
<li>Microplate Centrifuges: Developed for PCR plates and strip formats</li>
<li>Microcentrifuge Accessories: For expanded tube flexibility and compatibility</li>
</ul>
&nbsp;
<h2>How to Choose a Microcentrifuge</h2>
&nbsp;
Maximum RCF vs. Protocol Requirements
Most spin-column kit protocols specify 10,000&ndash;16,000 &times;g. A standard microcentrifuge reaching 14,000&ndash;16,000 &times;g covers these requirements. If your lab performs alcohol-precipitation DNA/RNA pelleting (12,000&ndash;16,000 &times;g) or virus concentration steps (20,000+ &times;g), choose a model reaching at least 16,000 &times;g. High-speed models reaching 21,000&ndash;31,000 &times;g are available for specialized applications.
Rotor Tube Positions and Capacity
Most microcentrifuge rotors hold 12&ndash;24 &times; 1.5/2.0 mL tubes per run. Laboratories processing larger batches benefit from 24-position rotors, while smaller research groups may find 12-position models sufficient. Confirm that adapters for 0.5 mL and 0.2 mL tubes are available if required by your workflows.
Refrigerated vs. Ambient Temperature
Refrigerated microcentrifuges are recommended for RNA extraction, protein stability studies, cell viability applications, and any protocol requiring 4&deg;C centrifugation. Standard room-temperature models are suitable for routine DNA extraction and PCR cleanup procedures.
Noise Level and Footprint
Modern brushless DC motor microcentrifuges typically operate at &le;52 dB, making them quieter than older brush-motor systems. Most units occupy 200&ndash;300 mm of bench width, so confirm that sufficient clearance is available when the lid is fully open.
Safety Features
Essential safety features include lid-lock mechanisms, imbalance detection, and over-speed protection. Laboratories handling infectious materials should verify that aerosol-tight sealed rotor lids are available for the selected model.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
The standard spin-column step in most commercial DNA/RNA extraction kits specifies 10,000&ndash;16,000 &times;g for 30&ndash;60 seconds. Always confirm the rotor's maximum RCF from manufacturer specifications, since RPM values alone do not account for differences in rotor radius.
Microcentrifuge rotors are typically fixed-angle designs positioned at approximately 45&deg;, providing efficient pelleting and short sedimentation paths. Aerosol-tight sealed lids allow safe handling of BSL-2 samples and other applications requiring biocontainment. Modern brushless DC motors offer quieter performance, improved speed accuracy, and longer service intervals than legacy brush-motor systems.
Your search for high-performance microcentrifuges is over. <a href="https://mbpinc.net/contact-us">Contact now</a> with the expert team at Molecular Biology Products Inc. and get the right microcentrifuge for your lab today.

Microcentrifuge

GCM Refrigerated Microcentrifuge Series

GCM-R-24 by Globe Scientific is a high-speed refrigerated microcentrifuge reaching 15,000 RPM (21,380 &times; g) with a temperature range of -20&deg;C to 40&deg;C, cooling to 4&deg;C within 7 minutes at full capacity. The 24-place aluminum rotor and aerosol containment lid are fully autoclavable, supporting safe processing of temperature-sensitive biological samples at noise levels below 54 dB.

Maximum Speed

Maximum RCF

Speed Accuracy

Temperature Range

Rotor Capacity

Run Time

Acceleration Time

Braking Time

Dimension (W x D x H)

Centrifuge, Micro, Refrigerated, 24-Place, High Speed, 120v, 60Hz, US Plug (Includes: 24-Place Rotor with Lid for 1.5mL and 2.0mL Microcentrifuge Tubes #MC-24-2ML)

Centrifuge, Micro, Refrigerated, 24-Place, High Speed, 230v, 50Hz, UK Plug (Includes: 24-Place Rotor with Lid for 1.5mL and 2.0mL Microcentrifuge Tubes #MC-24-2ML)

Centrifuge, Micro, Refrigerated, 24-Place, High Speed, 230v, 50Hz, EU Plug (Includes: 24-Place Rotor with Lid for 1.5mL and 2.0mL Microcentrifuge Tubes #MC-24-2ML)

Inoculating Needles/Loops

<h2>What are Blood Collection Tubes for Nucleic Acid Research?</h2>
&nbsp;
Blood collection tubes for nucleic acid research are evacuated tubes pre-filled with a lysis reagent or anticoagulant that preserve DNA and/or RNA from whole blood specimens collected by standard venipuncture. On blood draw, the lysis reagent immediately inactivates nucleases and preserves both genomic DNA and RNA&mdash;including transcriptomic expression profiles&mdash;from 3&ndash;6 mL of mammalian whole blood. They are used in gene expression analysis, next-generation sequencing, PCR-based molecular diagnostics, cell-free DNA (cfDNA) studies, and biobank archiving. Choose blood collection tubes specifically formulated for nucleic acid preservation when the sample cannot be processed within 2&ndash;4 hours of draw.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Vacuum blood collection tubes for standardized sample volumes</li>
<li>Capillary blood collection tubes for small-volume sampling</li>
<li>Pediatric and micro-collection tubes for difficult draws</li>
<li>Sterile single-use blood collection tubes for diagnostic safety</li>
<li>General-purpose clinical and laboratory blood sampling tubes</li>
</ul>
&nbsp;
<h2>How to Choose Blood Collection Tubes</h2>
&nbsp;
DNA vs RNA vs Dual Preservation
K2 EDTA tubes (lavender cap) prevent clotting and preserve cellular morphology for CBC and flow cytometry, but RNA degrades rapidly without additional stabilization. Blood RNA stabilization tubes preserve intracellular RNA expression profiles, while dual-preservation blood collection tubes stabilize both DNA and RNA simultaneously, enabling downstream molecular analysis from a single specimen.
Blood Volume Per Tube
Standard blood collection tubes typically hold 3 mL or 6 mL. Confirm the draw volume against your extraction kit's minimum input requirement. Many NGS and RT-PCR extraction kits require 1&ndash;3 mL of whole blood per reaction, making 3 mL tubes sufficient for many single downstream applications.
Processing Window
For immediate processing (within 2 hours), standard K2 EDTA tubes are generally suitable. For delayed processing or sample shipment, choose blood collection tubes specifically formulated to stabilize nucleic acids according to the manufacturer's validated storage conditions.
Anticoagulant Type
K2 EDTA is the preferred anticoagulant for most molecular biology applications, including PCR and NGS. K3 EDTA may be used in some automated laboratory systems. Heparin is a known PCR inhibitor and should generally be avoided for nucleic acid workflows. Citrate tubes are not typically used for nucleic acid preservation.
Regulatory Compliance
For clinical or regulatory-submission workflows, confirm whether the blood collection tube has the appropriate regulatory approval or clearance for your intended application. Research-use-only (RUO) products are not intended for diagnostic use unless specifically authorized.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Standard evacuated blood collection tubes are commonly manufactured from medical-grade PET or glass. K2 EDTA tubes should be gently inverted 8&ndash;10 times immediately after collection to ensure complete anticoagulant mixing. Nucleic acid preservation tubes are available for both immediate processing and stabilized transport, depending on the manufacturer. DNA and RNA yield varies with donor characteristics, collection volume, storage conditions, and the extraction method used.
&nbsp;
Every accurate diagnosis starts with the right sample. Reach out to the <a href="https://mbpinc.net/contact-us">MBP team</a> today for expert guidance. MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center. PO and quote ordering are available directly.

Blood Collection Tubes

Safety Needle Holder

1204 by Globe Scientific is a single-use safety needle holder with a sliding plastic shield and audible-click confirmation, compliant with OSHA bloodborne pathogen directives for phlebotomy. Fits 13mm and 16mm evacuated blood collection tubes and all common multi-sample needle units. Available 500/case or 100/bag.

Needle Holder with Safety Shield, Universal Fit, 100/Bag, 5 Bags/Unit

Needle Holder with Safety Shield, Universal Fit, 100/Bag

3D Rockers

<h2>What are 3D rockers?</h2>
&nbsp;
3D rockers are laboratory rocking platforms that produce motion in multiple planes simultaneously &mdash; combining the basic back-and-forth tilt of a 2D rocker with a simultaneous lateral tilt, wave motion, or orbital component &mdash; creating a complex, three-dimensional liquid flow across the platform surface. This multi-axis motion ensures that liquid reaches every part of a flat container or membrane, including corners and edges that single-axis rocking can leave as dead zones with reduced agitation. Some 3D rockers (sometimes called nutators or wave mixers) produce a gyrating or teeter-totter-plus-wave motion rather than a strict two-axis tilt.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Labnet Gyrotwister 3D Shaker: Adjustable tilt angle and a non-slip platform for consistent sample mixing.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Mini BlotBoy&trade; 3D Rocker: Ideal for small-scale blotting and gentle mixing&nbsp;</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">BlotBoy&trade; 3D Rocker: Larger area for reliable blot processing, staining, and washing.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">BioMixer&trade; 3D Nutating Shaker: Designed for smooth, thorough mixing of biological samples.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">Tube Rocker 3D Motion:&nbsp;Used for efficient and uniform mixing of various tube sizes.</li>
<li dir="ltr" style="font-family: arial, helvetica, sans-serif;" role="presentation">BenchWaver&trade; 3D Rocker: For stable and consistent sample agitation.</li>
</ul>
&nbsp;
<h2>How to choose a 3D rocker</h2>
&nbsp;
Understand the specific motion type of each 3D rocker model
The term "3D rocker" covers different motion patterns: true dual-axis tilt (simultaneous tilt on both X and Y axes), wave-motion platforms that combine tilt with a propagating wave, and nutator-style platforms that produce a gyrating circular-tilt motion. Each produces a different liquid flow pattern, and checking the manufacturer's description of the platform motion helps in predicting how liquid will move in your specific container type.
Choose a 3D rocker when corner coverage in flat containers is important
In flat containers like square or rectangular blot boxes with right-angle corners, single-axis 2D rocking may leave residual unmixed volumes in corners on each sweep. A 3D motion that alternates between both tilt axes or produces a wave ensures liquid reaches all corners on each mixing cycle, producing more uniform washing and incubation.
Use a 3D rocker with tube holders for gentle multi-directional tube incubation
Many 3D rocking platforms accept tube holder accessories that fix microcentrifuge, 15 mL, or 50 mL tubes on the platform, providing a multi-directional mixing motion for tube contents without requiring a separate dedicated tube rotator. For gentle incubations where end-over-end rotation is not required, this is a convenient multi-use configuration.
Verify speed range and tilt angle against your application requirements
3D rockers operate at lower speeds and tilt angles than orbital shakers, typically 5&ndash;25 rpm with tilt angles of 10&ndash;30&deg;. Confirm that the rocker's speed range and tilt angle are appropriate for your specific incubation &mdash; gentle cell culture rocking requires lower speed and shallower tilt than more vigorous blot washing.
Consider platform size relative to your largest container
As with 2D rockers, the platform must accommodate the largest container you intend to use, with the additional consideration that in a 3D motion platform, a container positioned asymmetrically relative to the motion center may experience less uniform agitation at its extremes.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The nutator-style 3D rocker uses a tilting platform driven in a slow circular path rather than a strict two-axis tilt, producing a smooth gyrating motion that keeps liquids in continuous gentle motion without the periodic deceleration of back-and-forth rocking, and is a common format used for gentle hybridization and tube mixing applications in molecular biology. As of 2026, compact 3D rocking platforms with programmable speed and timer are standard in molecular biology labs handling multiple blot and hybridization incubations simultaneously.
<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to request a quote and find the right 3D rocker for your lab.&nbsp;

Globe Scientific™ Nutating Tube Rocker

The GTR-3D by Globe Scientific (Tube Tocker 3D Motion) is a fixed-speed nutating rocker that generates 3-dimensional mixing motion &mdash; combining rotation and gentle tilting &mdash; at a consistent 20 rpm with a 20-degree tilt angle. Operation is plug-and-play: no speed dial, no timer to configure, no programming. The included anti-slip dimpled silicone mat accommodates a wide range of tube sizes and shapes. Suitable for DNA extraction, gel staining, antibody incubations, and other gentle mixing applications where consistent 3D motion is needed.