Brands

Rollers & Rotators

<h2>What are tube rollers and rotators?</h2>
&nbsp;
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.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<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>
&nbsp;
<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>
&nbsp;
<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>

Tube holder, 11 x 1.5/2.0, 2/pk (1 pack included)

Tube holder, 5 x 5-7ml, 2/pk (1 pack included)

Tube holder, 4 x 10-15ml, 2/pk (1 pack included)

Tube holder, 6 x 50ml, 1 each (1 pack included)

Tube holder, 96 x 0.2ml, 12 x PCR strips or one PCR plate (R2024 and H2024 Only)

Mini rocking platform with rubber mat, 4.5 x 3 in (R2024 and H2024 Only)

RotoMini™ and RotoMini PLUS Tube Rotators Accessories

Roto-Mini™ Plus Rotator, Variable Speed

Roto-Mini™ Plus Variable Speed Rotators

Benchmark’s new Roto-Mini series of rotating mixers provides a wide range of mixing capabilities, suitable for an array of laboratory applications including resuspension, protein binding, nucleic acid purification, histochemistry, hybridization, etc.\r\n\r\nPlus models offer variable speed (5-70rpm), a “Mix” mode for enhanced mixing, a “Pause” function with intermittent stops, and a gentle rocking “Rock” mode. They include a 4.5 x 3-inch platform and a 96 x 0.2ml tube/strip/plate holder for PCR vessel mixing.

Speed Range R2020

Speed Range R2024

Mixing Modes R2020

Mixing Modes R2024

Max Capacity

Dimensions (in)

Dimensions (cm)

Weight 

Electrical

Warranty

Manufacture

Roto-Mini™ Plus Variable Speed Rotator with tube holders, 115V

Roto-Mini™ Plus Variable Speed Rotator with tube holders, 230V

Roto-Therm™ Plus Incubated Rotator

H2024 by Benchmark Scientific is the Roto-Therm Plus, a variable-speed incubated rotator that runs 5-70 rpm at digitally controlled temperatures of ambient+5 to 60C, with Mix, Pause, and Rock mixing modes and interchangeable tube holders for 0.5mL to 50mL tubes.

Temperature

Speed (H2020)

Speed (H2024)

Mixing Modes (H2024)

Dimensions

Weight (H2020)

Weight (H2024)

Roto-Therm™ Plus Incubated Rotator (variable speed) with tube holders, 115V

Roto-Therm™ Plus Incubated Rotator (variable speed) with tube holders, 230V

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

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

Rotating Mixer

The R5010 by Benchmark Scientific is a rotating mixer that provides gentle to vigorous mixing of samples up to 50mL, with adjustable speed, tilt angle, and a reversing mode, supplied with three rotisserie tube holders.

Ambient Operating Temp.

Rotating Mixer with rotisseries for 1.5/2.0, 15 and 50ml tubes, 115v

Rotating Mixer with rotisseries for 1.5/2.0, 15 and 50ml tubes, 230v

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.

DNA/PCR

<h2>What is DNA/PCR Sequencing Cleanup?</h2>
&nbsp;
DNA/PCR sequencing cleanup purifies PCR-amplified NGS library products - indexed Illumina libraries after amplification, amplicon sequencing PCR products (16S rRNA, ITS, targeted gene panels), and long-range PCR products for long-read sequencing - removing residual PCR primers, dNTPs, thermostable polymerase, betaine, DMSO, BSA, and PCR buffer salts that inhibit sequencing cluster generation, flow cell loading, and library quantification. Perform SPRI bead cleanup after every PCR amplification step in library preparation - residual primers generate non-informative sequencing reads, betaine carryover inhibits cluster generation chemistry, and thermostable polymerase coats flow cell surfaces, reducing cluster density and data yield.
&nbsp;
<h2>What you will find</h2>
&nbsp;
<ul>
<li>Magbio HighPrep&trade; PCR: A highly flexible, bead-based reagent that simplifies post-PCR cleanup and dual-sided size selection, fitting seamlessly into your high-throughput automated platforms.</li>
<li>HighPrep&trade; PCR PB Kit: Specifically optimized for the rigorous demands of Pacific Biosciences (PacBio) workflows, this kit ensures you recover the long-read fragments your research depends on.</li>
<li>Selective Contaminant Depletion: Our buffers are engineered to remove salts and polymerases without the stress of centrifugation, delivering transfection-grade purity in every sample.</li>
</ul>
&nbsp;
<h2>How to Choose a DNA/PCR Sequencing Cleanup Reagent</h2>
&nbsp;
Bead Ratio for Target Amplicon Size
The bead-to-sample ratio determines the minimum fragment size retained. At 0.8x: retains &gt;=300 bp; removes primers and adapter dimers; best for amplicons &gt;=300 bp (16S V3-V4, ITS2). At 0.9x: retains &gt;=200 bp; removes primers and adapter dimers; standard for indexed library amplicons. At 1.0x: retains &gt;=150 bp; removes primers; useful for short-insert libraries (100-200 bp). At 1.8x: retains &gt;=100 bp; maximum primer removal; over-cleaning for library amplicons. Always calibrate the bead ratio using a test library at your target amplicon size before processing study samples; empirical calibration is required because bead lot performance and PEG concentrations vary.
Double-Side SPRI After PCR
For amplicon libraries where the PCR product range is wide (multiple bands) or where large amplification artifacts must be removed alongside primers, double-sided SPRI after PCR selects the target amplicon precisely: the first step removes amplification artifacts above the target size; the second step retains the target amplicon and discards primers and primer dimers.
Bead-Based vs. Spin Column After PCR
AMPure XP beads are preferred for high-throughput 96-well plate PCR cleanup in amplicon sequencing workflows where 96-384 individual PCR amplicons must be cleaned before pooling. Spin columns (Zymo DNA Clean &amp; Concentrator-5) are used for small-batch amplicon cleanup when concentrated eluate in 6-30 &micro;l is needed before capillary electrophoresis or other downstream analysis.
Betaine and DMSO Removal
If your PCR protocol includes betaine (1-2 M) or DMSO (1-5%), confirm complete removal by checking that the post-cleanup DNA solution is free of unusual viscosity (indicating residual betaine). At the standard bead ratio, betaine and DMSO are completely removed during the 2x 80% ethanol wash steps. If betaine or DMSO carryover is suspected (reduced sequencing cluster density), add 200 &micro;l ethanol wash before elution.
Amplicon Sequencing Pool Cleanup
After individually cleaning and quantifying each amplicon library by Qubit HS, pool at equimolar ratios before the final SPRI cleanup of the pool. Final pool cleanup at 0.9x removes any residual primer from individual library cleanup steps and normalizes the final pool for sequencing loading.
&nbsp;
<h2>Specifications Context</h2>
HighPrep&trade; PCR uses SPRI magnetic bead technology for post-PCR cleanup and DNA size selection. Adjustable bead-to-sample ratios enable efficient removal of primers, primer dimers, adapter dimers, nucleotides, enzymes, and buffer components while selectively retaining target DNA fragments. Standard ratios support PCR product cleanup, while dual-sided selections provide precise library size distribution for NGS workflows. HighPrep&trade; PCR PB Kit is optimized for PacBio sequencing, maximizing recovery of long DNA fragments while depleting smaller contaminants. The centrifugation-free workflow supports both manual and automated processing and is compatible with Illumina, ONT, and PacBio library preparation.
&nbsp;
Ready to refine your library? The MBP team is here to help&mdash;<a href="https://mbpinc.net/contact-us">contact us</a> today for a personalized quote on our PCR size selection reagents.

Magbio HighPrep PCR

HighPrep PCR by MagBio Genomics is a paramagnetic bead reagent for post-PCR cleanup and NGS-ready DNA size selection, retaining fragments ≥100 bp at 1.8× ratio, with >70% DNA recovery, ≥15 µL elution, 18-month shelf life at 2–8°C, and KingFisher Flex automation compatibility.

Main functions

Starting material (Sample matrix)

Starting amount

RNA recovery

Process method

Instrument

Purification method

RNA Purity

Elution Volume

Manufacturer

HighPrep PCR (1 mL)

HighPrep PCR (5 mL)

HighPrep PCR (50 mL)

HighPrep PCR (250 mL)

HighPrep PCR (500 mL)

Microplate Reader Accessories

<h2>What Are Microplate Reader Accessories?</h2>
&nbsp;
Microplate reader accessories are supplementary components that extend detection range, maintain instrument performance, and support compliance in regulated workflows. They fall into four groups: optical accessories (filters, filter cubes, and polarizers for wavelength selection in fluorescence and absorbance detection); illumination accessories (replacement xenon flash lamps, deuterium lamps, or LED upgrade modules that provide the excitation light source); calibration and validation tools (absorbance validation plates with certified reference values, fluorescence uniformity plates, and luminescence performance standards used to verify reader performance); and automation and software accessories (reagent injectors for kinetic luminescence assays, plate stackers for unattended batch reading, and software module licenses for 21 CFR Part 11 compliance, spectral scanning, or advanced kinetics). Because accessory designs are manufacturer-specific, a filter block designed for one plate reader brand will not fit another; always order accessories using the instrument's model number as the primary specification parameter. Filter sets are the most commonly needed accessory for multi-mode readers; confirm the filter block format and thread size for your specific reader model before ordering, as filter cube dimensions vary significantly between manufacturers and generations.
&nbsp;
<h2 dir="ltr">What you will find: </h2>
<ul>
<li data-section-id="23xybn" data-start="25" data-end="117">Replacement filters and optical accessories for maintaining microplate reader performance.</li>
<li data-section-id="71w1ic" data-start="118" data-end="209">Calibration and validation tools to support accurate and reproducible assay measurements.</li>
<li data-section-id="6jcbpl" data-start="210" data-end="312">Microplates and consumables compatible with absorbance, fluorescence, and luminescence applications.</li>
<li data-section-id="y9aam2" data-start="313" data-end="396">Replacement components and maintenance accessories for routine instrument upkeep.</li>
<li data-section-id="qoq7y7" data-start="397" data-end="523" data-is-last-node="">Accessories designed to support ELISA, cell-based assays, nucleic acid quantification, and other microplate-based workflows.</li>
</ul>
&nbsp;
<h2>How to Choose Microplate Reader Accessories</h2>
&nbsp;
Filter sets for fluorescence and absorbance.
Fluorescence filter sets (excitation filter, dichroic mirror, emission filter) must match both the fluorophore's excitation and emission spectra and the filter cube housing format of the specific reader. Most microplate reader filters use standard 25 mm diameter circular filters; some readers use 12 mm micro-filters. Common fluorescence filter sets: FITC/SYBR Green (Ex 485/12 nm, Em 520/10 nm); DAPI/Hoechst (Ex 360/40 nm, Em 460/40 nm); TRITC/PI (Ex 544/10 nm, Em 620/10 nm); Cy5 (Ex 620/10 nm, Em 680/10 nm). For absorbance, filter-based readers require individual narrow-bandpass filters at the wavelengths required by each assay protocol: 450 nm for ELISA, 595 nm for Bradford, 562 nm for BCA, 260 nm, and 280 nm for nucleic acid and protein.
Replacement lamps
Xenon flash lamps are the standard excitation source in high-quality fluorescence and absorbance microplate readers; typical lamp lifetime is 500 million flashes (approximately 3 to 5 years of daily use). Lamp output decreases gradually before failure; rising CV% in repeated measurements of the same standard is the first sign of lamp degradation. Replacement xenon flash lamps are model-specific; confirm part number from the instrument manual before ordering. Some instrument manufacturers have transitioned to LED-based excitation sources, which have much longer lifetimes (50,000+ hours) and do not require routine lamp replacement.
Calibration and validation plates
Calibration plates contain certified optical standards (neutral density filters, fluorescent reference dyes at known concentrations, or luminescent reference materials) in an SBS-format plate footprint for installation in the plate carriage. They are used to verify photometric accuracy, linearity, and inter-well uniformity (CV% across all 96 or 384 wells). These verifications are required in ISO 17025 accredited labs and GLP/GMP environments, and recommended as best practice for any lab relying on quantitative plate reader data. Validation plates are model-specific and must be re-certified periodically (typically annually) by the manufacturer.
Reagent injectors
Reagent injectors are syringe-pump accessories that dispense a defined volume of reagent into each well of a microplate immediately before or during reading, required for luminescence kinetic assays (luciferase, beta-galactosidase, flash luminescence from coelenterazine), where the signal decays rapidly after reagent addition. Single injectors add one reagent (e.g., luciferase substrate); dual injectors allow sequential addition of two reagents for sequential flash and glow luminescence detection. Injectors are model-specific and must be installed and calibrated by the manufacturer or a qualified service engineer.
Plate stackers and automation accessories
Plate stacker modules load and unload microplates automatically from a tray of 10 to 50 plates, allowing unattended overnight batch reading. Integration with laboratory robotics and LIMS extends this to fully automated plate reading workflows. Plate stackers are model-specific and typically sold as separate accessories from the reader. Confirm that the plate stacker is compatible with the specific plate type (96-well standard, 384-well, with or without sealing film) and the plate loading orientation.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Filter bandpass width (the FWHM of the filter transmission curve) affects sensitivity and selectivity. Narrower bandpass filters (10 nm FWHM) improve selectivity by excluding off-target fluorophore emission but transmit less light, reducing signal. Wider bandpass filters (20 to 40 nm) transmit more light for a brighter signal, but may allow bleed-through from closely overlapping fluorophores. In multiplex assays with two or more fluorophores, narrow bandpass emission filters reduce spectral cross-talk between channels. Optical density (OD) of the blocking region outside the transmission band should be at least OD 5 to OD 6 for fluorescence filters to prevent light leakage from the excitation source from reaching the detector.
&nbsp;
To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Thermal Printer for MR-9600

The MR9600-TP by Benchmark Scientific (Accuris) is a direct thermal printer designed exclusively for the Accuris SmartReader 96 MR-9600 microplate absorbance reader, enabling on-demand hard-copy printouts of absorbance data for GLP documentation and routine assay records. No ink cartridges or ribbons are required.

Thermal Printer for MR-9600, 230V

Primary Cells

T5523 Normal Human Primary Intestinal Epithelial Cells Ascending Colon

T5523 Normal Human Primary Intestinal Epithelial Cells Ascending Colon by ABM — normal proximal colonic epithelium, 5×10⁵ cells/1.0 ml, BSL-II. Intestinal Epithelial Cell Medium (TM090) required. For CRC baseline, IBD, and proximal colonic research. MTA required.

BLUline Variable Speed Rotator with tube holders, 115V

AZ-8250 by Azura Genomics is a variable-speed bench-top tube rotator operating at 5–70 RPM with three programmable mixing modes (Mix, Pause, Rock), accommodating tubes from 0.2 mL to 50 mL using included tube holders. Rated 100–240V/50–60Hz with a 2-year warranty.