Sample Collection

Sample Vial

<h2>What are Blood Collection Tubes for Nucleic Acid Research?</h2>
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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.
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<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>
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<h2>How to Choose Blood Collection Tubes</h2>
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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.
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<h2>Specifications Context</h2>
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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.
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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

107047-Analyzer Consumables Catalog

107047-TDS-107047

Blood Cell Counting Vial with Attached Snap Cap, Graduated to 20mL, 250/Bag, 4 Bags/Unit, CS/1000

107047 by Globe Scientific is a polystyrene blood cell counting vial (31 × 55 mm) with an attached PE snap cap, graduated at 10 mL and 20 mL for accurate blood dilutions. Supplied 250/bag × 4 bags = 1,000 vials per case. Designed for hematology analyzer CBC sample preparation and manual blood cell counting workflows.

Manufacture

<h2 dir="ltr">What are Transport Tubes?</h2>
 Transport tubes are sterile, leak-proof screw-cap tubes used for collecting, transporting, and temporarily storing biological specimens from the collection site to the testing laboratory. They span a broad category: empty specimen containers (15 mL and 50 mL self-standing conical tubes), pre-filled saline transport tubes, UTM (Universal Transport Medium) tubes, and specialty specimen vials. All transport tubes share three required attributes&mdash;leak-proof construction, sterility confirmation, and compatibility with the downstream assay's matrix requirements. Choose the transport tube type based on the specimen, the target analyte, and the assay platform it will be processed on. 
<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" role="presentation">5 mL transport tubes for routine sample movement</li>
<li dir="ltr" role="presentation">10 mL tubes for higher volume biological samples</li>
<li dir="ltr" role="presentation">Leak-tight screw-cap tubes for secure handling</li>
<li dir="ltr" role="presentation">Sterile transport tubes for clinical workflows</li>
<li dir="ltr" role="presentation">Graduated tubes with labeling surfaces for tracking</li>
<li dir="ltr" role="presentation">Self-standing tubes for easier bench organization</li>
</ul>
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<h2 dir="ltr">How to Choose Transport Tubes</h2>
 Material: Polypropylene (PP) vs. Polystyrene (PS) PP conical transport tubes are chemical-resistant, autoclavable, and certified DNase/RNase-free in molecular-grade formats. PS transport tubes (30 mL translucent format, Globe Scientific) are lighter and less expensive but not autoclavable. For nucleic acid work, DNA/RNA-free certified PP is the standard. For specimen transport requiring centrifugation, PP is preferred due to higher g-force tolerance (PP rated to &ge;10,000 &times; g in most formats). Self-Standing vs. Rack Format Self-standing (skirted-base) conical tubes stand upright without a rack, reducing knock-over risk during aliquoting and transport. Rack-based tubes require a separate holder. Globe Scientific self-standing 50 mL PP transport tubes feature a printed graduation, white frosted writing area, and are available sterile, non-sterile, or metal-free. Sterile tubes are RNase/DNase-free and pyrogen-free per the lot certificate. Sterile vs. Non-Sterile Sterile tubes (ISO 11137 radiation sterilization, SAL 10⁻⁶) are required for culture, NAAT, and any specimen where contamination would invalidate the result. Non-sterile metal-free PP tubes are suited to trace-element analysis and environmental sampling where sterility is not required but metal contamination would interfere. Volume 15 mL tubes are standard for most clinical specimen aliquots, urine transfers, and culture setups. 50 mL tubes are used for higher-volume specimens (24-hour urine aliquots, stool homogenates, bulk transport of tissue homogenates). Globe Scientific 30 mL tubes with integral spoon are designed specifically for fecal specimen self-collection. Media and Additives Empty transport tubes (no fill) are the base format; select a pre-filled tube (saline, UTM, boric acid) based on the specimen type and analyte stability requirements. For nucleic acid targets, pre-filled tubes with DNA/RNA Shield, UTM, or saline are the appropriate formats. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific self-standing 50 mL conical transport tubes are manufactured from USP Class VI medical-grade PP with a conical bottom skirt for freestanding stability. Printed graduation marks (1 mL intervals) and a frosted writing area are standard features. Sterile versions are individually wrapped and certified RNase-free, DNase-free, and pyrogen-free per lot certificate, consistent with ISO 9001:2015 manufacturing standards. Non-sterile metal-free versions are supplied with a separate natural screw cap and are tested for trace metals via ICP-MS before lot release. MBP's transport tubes catalog includes Globe Scientific and NEST Scientific formats in multiple pack sizes (25/bag and bulk packs of 500). 
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If you need help choosing tube size or matching the right transport format to your workflow,<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> the MBP team</a> can help you sort it out without overthinking it.

Transport Tube Products

Flyer

Flip Top Polypropylene Vials

101100 by Globe Scientific are 45&#160;mL food-grade polypropylene vials with a permanently hinged, linerless flip-top snap cap for leak-resistant one-handed closure. The shoulderless barrel simplifies filling and maximizes internal volume. Suited for environmental sampling, food testing, veterinary collection, and general lab storage. Sold in cases of 600 (3 bags × 200).

Sample Vial, 45mL, Flip Top, bag/200, CS/600

Sample Vial, 30mL, Flip Top with Locking Tab, and Tamper Seal, MG at 15 & 30ml, bag/200, CS/600

Biohazard Bags

<h2 dir="ltr">What are Biohazard Bags?</h2>
 Biohazard bags are polyethylene pouches printed with the universal biohazard symbol and standardized warning text, used to contain, transport, and dispose of biological specimens and infectious waste in clinical, diagnostic, and research laboratory settings. They are manufactured in two functionally distinct categories: specimen transport bags (thin-walled LDPE, zipper-closure, with document pouch) for routing patient specimens from collection point to laboratory; and autoclave/waste bags (heavy-gauge polypropylene, heat-sealable) for containing infectious solid waste before steam sterilization at 121&ndash;136 &deg;C. Choose a specimen transport bag for courier or inter-department specimen routing; choose an autoclave bag for infectious solid waste destined for steam sterilization.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" aria-level="1">
Red biohazard waste bags for infectious laboratory disposal
</li>
<li dir="ltr" aria-level="1">
Autoclavable biohazard bags for sterilization workflows
</li>
<li dir="ltr" aria-level="1">
Leak-resistant polyethylene biohazard liners for lab bins
</li>
<li dir="ltr" aria-level="1">
High-strength biohazard bags for heavy laboratory waste
</li>
<li dir="ltr" aria-level="1">
Printed biohazard symbol bags for clear hazard identification
</li>
<li dir="ltr" aria-level="1">
Disposable waste bags for contaminated consumables
</li>
<li dir="ltr" aria-level="1">
Chemical- and bio-waste compatible collection bags
</li>
<li dir="ltr" aria-level="1">
Medium and large capacity biohazard bags for lab use
</li>
<li dir="ltr" aria-level="1">
Thick gauge waste bags for puncture resistance
</li>
<li dir="ltr" aria-level="1">
General laboratory biohazard containment solutions
</li>
</ul>
<h2 dir="ltr"> How to Choose Biohazard Bags</h2>
 Specimen Transport vs. Waste/Autoclave Function Specimen transport bags (Globe Scientific catalog 4923&ndash;4950) are LDPE, zipper-locked, with a separate document pouch for the requisition form and a tear zone for rapid opening at the receiving lab. They are not rated for autoclaving. Autoclave bags (PP, 0.05 mm, 12&times;26 in. or 24&times;32 in.) withstand 121&ndash;136 &deg;C sterilization cycles and comply with OSHA 29 CFR 1910.1030 markings for biohazardous waste disposal. Size Selection for Specimen Transport Globe Scientific offers 6&times;9 in. (for blood tubes, urine cups, small specimens), 8&times;10 in. (for multiple tubes or swab collections), and 12&times;15 in. (for large containers, pathology specimens). The 6&times;9 in. bag with absorbent pad (catalog 4924) is the most common format for clinical specimen routing; the pad absorbs up to 10 mL of liquid in the event of tube breakage. Absorbent Pad Requirement IATA Dangerous Goods Regulations and the UN3373 Biological Substance Category B shipping requirements mandate an absorbent material sufficient to absorb the total liquid volume of the primary container. The 6&times;9 in. with absorbent pad format meets this requirement for standard tube shipments. Confirm pad absorbency against your primary container volume before use in P650 mailing kits. STAT vs. Standard Globe Scientific STAT bags (catalog 4950) are red-tinted 6&times;9 in. bags with a document pouch and tear zone &mdash; the red color alerts laboratory staff to prioritize the specimen. Use STAT bags for critical or time-sensitive specimens that bypass standard routing. Closure Type Zipper-closure bags allow repeated access and are used where the specimen may need to be resealed for courier transit. Glue-closure (tamper-evident seal) bags prevent re-opening and are preferred for chain-of-custody specimens (forensics, drug testing) and any application where tamper evidence is required.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific specimen transport bags are manufactured from LDPE with a printed biohazard symbol and special handling checkboxes. The 6&times;9 in. standard format (catalog 4923) and STAT format (4950) hold cases of 1,000 bags (100/pack &times; 10 packs). The 8&times;10 in. (4926) and 12&times;15 in. (4929) formats are cases of 1,000 and 500, respectively. Autoclave bags used for infectious solid waste must comply with OSHA Bloodborne Pathogens Standard (29 CFR 1910.1030), which requires fluorescent orange or orange-red color-coding or a biohazard symbol on all containers holding regulated waste. Globe Scientific biohazard bags are manufactured under ISO 9001:2015 quality management standards. Bags are non-sterile; sterile transport systems for specimens requiring sterility assurance should use appropriately certified collection vessels inside the bag. 
For selection guidance, specifications, or bulk supply requirements, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right biohazard containment solution for your laboratory workflow.

Formalin Storage Bag

4971 by Globe Scientific is a 3-mil Saranex vapor-barrier formalin storage bag with a double-track liquid-tight zipper and preprinted biohazard symbol, formalin warnings, and emergency response block. Designed for safe long-term storage and transport of formalin-fixed tissue specimens. Available in 1,000-bag cases (250/pack × 4 packs).

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 3" x 6", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 7" x 8", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 9" x 12", 250/Pack, 4 Packs/Unit, CS/1000

Bag, Liquid Tight Ziplock for Specimen Storage with Formalin Warning Printing, Saranex, 12" x 12", 250/Pack, 4 Packs/Unit, CS/1000

4918-Group-Lab Supplies for Physicians Offices

Globe Scientific's Biohazard Specimen Transport Bags

4918 by Globe Scientific — 2-mil polyethylene biohazard specimen transport bags with zipper closure, score line, and document pouch. OSHA and NCCLS compliant. Available in multiple sizes; 1,000 per case. Available from MBP Inc. worldwide.

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Score Line and Document Pouch, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Score Line and Document Pouch, 100/Pack, BAG/100

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Document Pouch, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, Color Coded: GREEN, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, Color Coded: RED, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, Color Coded: YELLOW, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 9", Glue Seal with Document Pouch, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 6" x 10", Ziplock with Score Line, Document Pouch and Absorbent Pad, 100/Pack, 5 Packs/Unit, CS/500

Bag, Biohazard Specimen Transport, 6" x 10", Glue Seal with Document Pouch and Absorbent Pad, CS/500

Bag, Biohazard Specimen Transport, 8" x 10", Ziplock with Document Pouch, Tearzone, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 8" x 10", Ziplock with Score Line and Document Pouch, 100/Pack, 10 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 12" x 15", Ziplock with Document Pouch, Tearzone, 500/Pack, 2 Packs/Unit, CS/1000

Bag, Biohazard Specimen Transport, 12" x 15", Ziplock with Score Line and Document Pouch, 100/Pack, 5 Packs/Unit, CS/500

Globe Scientific's Bitran Bags

4740 by Globe Scientific is a Bitran® Series S specimen storage bag, 2 × 4 inches, made from 3 mil Saranex® with a double-track zipper airtight seal. Designed for long-term biological and chemical specimen storage with exceptional vapour and odour control. Special Order item — contact <a href="mailto:customerservice@mbpinc.net">customerservice@mbpinc.net</a> for availability and lead time.

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 2" x 4", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 3" x 6", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 6" x 6", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 7" x 8", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 9" x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 12" x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 16" x 16", CS/100

Bag, Bitran, "S" Series, for Long Term Specimen Handling and Storage, Saranex, 24" x 24", CS/100

Globe Scientific's Infecon Bags

4760 by Globe Scientific — Infecon® 2.8-mil polyethylene specimen transport bags with double-track Saf-T-Zip closure, document pouch, and biohazard symbol. Remains flexible when frozen. Available in 8 sizes from 6×6" to 24×24". 250/pack, 1,000/case. Available from MBP Inc. worldwide.

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 6 x 6", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 6 x 9", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 9 x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 8 x 10", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 12 x 12", 250/Bag, 4 Bags/Unit, CS/1000

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 16 x 16", CS/100

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 13 x 18", CS/100

Bag, Infecon Liquid Tight Zipper Bag with Pocket and Printed Bio-Hazard Symbol, PE, 24 x 24", CS/100

Lab Supplies for Physicians Offices

Globe Scientific's STAT Red Specimen Transport Bags

4950 by Globe Scientific — red polyethylene STAT specimen transport bags, 6" × 9", with zipper closure, document pouch, tear-zone, and biohazard symbol. Visual urgent-priority indicator for clinical specimen workflows. Available in 100- or 1,000-count cases from MBP Inc. worldwide.

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch and Tearzone, CS/1000

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch, 100/Pack, 10 Packs/Case, CS/1000

Bag, STAT Red Specimen Transport, 6" x 9", Ziplock with Document Pouch, BAG/100

Scintillation Vials

<h2 dir="ltr">What are Scintillation Vials?</h2>
 Scintillation vials are small, screw-cap laboratory vessels used to combine a liquid sample with a scintillation cocktail for the detection of radioactive emissions&mdash;primarily beta particles from tritium (&sup3;H), carbon-14 (&sup1;⁴C), phosphorus-32 (&sup3;&sup2;P), and sulfur-35 (&sup3;⁵S)&mdash;by liquid scintillation counting (LSC). The standard format is a 20 mL vial (28 mm O.D. &times; 57&ndash;61 mm height) with a 22-400 threaded neck, manufactured in borosilicate glass or high-density polyethylene (HDPE). Mini vials (7 mL) reduce sample and scintillant consumption by approximately two-thirds while maintaining counting geometry. Choose glass vials for volatile sample matrices, strong solvents, or applications requiring minimal background; choose HDPE/PET plastic vials for routine tritium and &sup1;⁴C counting where cost and disposal savings matter.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Glass scintillation vials for low-background analytical measurements
</li>
<li dir="ltr" aria-level="1">
Polypropylene scintillation vials for general-purpose chemical resistance
</li>
<li dir="ltr" aria-level="1">
HDPE scintillation vials for solvent-compatible sample storage
</li>
<li dir="ltr" aria-level="1">
PET scintillation vials for clear visibility and unbreakable handling
</li>
<li dir="ltr" aria-level="1">
4 mL to 20 mL standard capacity vials for laboratory workflows
</li>
<li dir="ltr" aria-level="1">
Screw-cap vials with leak-resistant liners for secure sealing
</li>
<li dir="ltr" aria-level="1">
Chemically resistant closure systems for solvent-based assays
</li>
</ul>
<h2 dir="ltr"> How to Choose Scintillation Vials</h2>
 Glass vs. Plastic Borosilicate glass (low-potassium grade, Wheaton 180 or equivalent) provides zero solvent permeability, inertness to all scintillation cocktails, and superior optical clarity for low-background counting. Low-potassium glass minimizes background from potassium-40 (⁴⁰K) natural radioactivity. Glass is the first choice for radon counting, volatile organics, and any matrix where solvent permeation through the vial wall would cause cross-contamination. HDPE and PET plastic vials are lighter, less expensive, and safe to incinerate; they offer good UV transmission and ultra-low background for tritium analysis, making them the preferred choice for high-throughput routine LSC. 20 mL vs. Mini Vials (7 mL) Standard 20 mL vials accept up to 15 mL of scintillant + sample mixture and are compatible with all common liquid scintillation counters (Beckman Coulter LS series, PerkinElmer Tri-Carb, Hidex 300 SL). Mini 7 mL vials use the same radioactive sample volume as 20 mL vials but reduce scintillant consumption and solvent waste by ~60%; some counter models require adapter inserts. Confirm counter compatibility before switching to mini format. Cap and Liner Type Cap liner selection affects seal integrity and chemical compatibility. Urea caps with polyethylene (PE) cone liners provide a good seal for aqueous samples. Polypropylene caps with metal foil liners are chemically inert and suited for strong solvents and high-purity chemicals. Cap color (white vs. black) can influence background counts; black caps reduce photon ingress and lower background in very-low-activity samples. Precapped vs. Separate Caps Precapped vials (caps attached, trays of 100) speed up high-throughput workflows where vials are filled, capped, and counted in batches. Separate caps in bulk packaging suits labs that mix vial and cap types or need specific liner compatibility. Potassium-Free Specification For the lowest possible background in low-activity counting, specify low-potassium borosilicate glass that conforms to ASTM Type I, Class A standards. Potassium in ordinary glass contributes &beta;-background from ⁴⁰K; low-K glass eliminates this contribution in the tritium energy window. 
<h2 dir="ltr">Specifications Context</h2>
 Standard scintillation vials use a 22-400 threaded neck, fitting all major LSC platforms, including Beckman Coulter LS 6500, PerkinElmer Tri-Carb 3110TR, and Hidex 300 SL. Vial O.D. is 28 mm &plusmn; 0.5 mm; overall height with cap is 60&ndash;62 mm. Low-potassium borosilicate glass (Wheaton 180 grade) conforms to ASTM Type I, Class A and provides UV transmission &gt;75% at 340 nm, ensuring efficient photomultiplier tube (PMT) response. HDPE vials weigh approximately 60% less than glass equivalents and can be incinerated without special handling after approved radioactive decay. As of 2026, 20 mL scintillation vials are typically packed 100 per tray, 5 trays per case (500 per case) for glass, and 100 or 500 per case for plastic formats. 
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<a href="https://mbpinc.net/contact-us"></a><a href="https://mbpinc.net/contact-us">Contact the MBP team</a><a href="https://mbpinc.net/contact-us">&nbsp;</a>for bulk pricing and PO ordering for radiotracer labs and radiopharmaceutical research facilities across the USA, Canada, and worldwide. &nbsp;

101010-Group-Tubes, Caps & Racks Catalog

Scintillation Vials Specifications

Globe Scientific's Scintillation Vial

101010 by Globe Scientific is a 20 mL HDPE scintillation vial with a separate white PP screw cap that seals with a ¼ turn, measuring 60.1 mm (H with cap) × 26.5 mm (diameter). Solvent-resistant, translucent body; ISO 9001:2015 manufactured; supplied 1,000 units per case for liquid scintillation counting, chromatography, and chemical storage.

Scintillation Vial, 20mL, HDPE, with Separate White Screw Cap, CS/1000

Scintillation Vial, 6.5mL, PE, with Separate White Screw Cap, CS/1000

Scintillation Vial, 4mL, PE, with Attached White Screw Cap, CS/2000

Scintillation Vial, 6.5mL, PP, with Separate White Screw Cap, 250/Bag, 4 Bags/Unit, CS/1000

Capillary Tubes

<h2 dir="ltr">What are Capillary Tubes? </h2>
 Capillary tubes for laboratory use are thin-walled, open-ended tubes&mdash;typically 75 mm long with an internal diameter of 1.1&ndash;1.2 mm&mdash;that collect microvolume blood samples (40&ndash;80 &micro;L) by capillary action from finger-stick or heel-stick punctures, directly from anticoagulated blood collection tubes, or from blood gas analyzers. They are the primary consumables for the micro-hematocrit (packed cell volume, PCV) determination: tubes are filled, sealed, centrifuged at 10,000&ndash;14,500 RPM for 5 minutes, and the ratio of packed red cells to total blood column is read against a hematocrit chart. Globe Scientific manufactures both soda lime glass and plastic (unbreakable) micro-hematocrit capillary tubes, as well as pre-calibrated borosilicate glass tubes for blood gas applications. Choose heparinized capillary tubes for direct finger-stick collection from untreated blood; choose plain (untreated) tubes when filling from an anticoagulated blood collection tube.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Glass capillary tubes for micro-volume liquid transfer</li>
<li dir="ltr" role="presentation">Heparinized capillary tubes for blood sample collection</li>
<li dir="ltr" role="presentation">Plain capillary tubes for general laboratory applications</li>
<li dir="ltr" role="presentation">Micro-hematocrit capillary tubes for blood analysis</li>
<li dir="ltr" role="presentation">Sealed-end and open-end capillary tubes for flexible workflows</li>
<li dir="ltr" role="presentation">Disposable precision-bore tubes for single-use sampling</li>
<li dir="ltr" role="presentation">Calibrated microcapillary tubes for consistent volume uptake</li>
<li dir="ltr" role="presentation">Thin-walled tubes for rapid capillary action filling</li>
<li dir="ltr" role="presentation">Sterile capillary tubes for diagnostic applications</li>
<li dir="ltr" role="presentation">General-purpose laboratory micro-sampling tubes</li>
</ul>
<h2 dir="ltr"> How to Choose Capillary Tubes</h2>
 Plain vs. Heparinized Plain capillary tubes (blue tip, Globe Scientific) are used when filling from a pre-anticoagulated specimen (EDTA or citrate blood collection tube). Heparinized tubes prevent clotting in samples collected directly from a skin puncture: ammonium heparin&ndash;coated tubes (green tip) and sodium heparin&ndash;coated tubes (red tip) are both available. The tip color is the universal identifier &mdash; confirm the coding convention with your supplier before ordering, as some manufacturers reverse the color assignments. Glass vs. Plastic Soda lime glass capillary tubes (Globe Scientific catalog 51602&ndash;51607) provide excellent capillary action, low surface adsorption, and superior optical clarity for reading the hematocrit column. Plastic capillary tubes (catalog 51620) eliminate the sharps hazard from glass breakage during centrifugation&mdash;a significant occupational safety consideration for high-volume clinical labs processing hundreds of hematocrit determinations daily. Both formats fit standard 75 mm hematocrit centrifuges. Pre-Calibrated (Blood Gas) Tubes Pre-calibrated borosilicate glass capillary tubes (Globe Scientific catalog 51628, I.D. 0.55 mm &plusmn; 0.03 mm) are precision-ground for blood gas and co-oximetry analyzers requiring specific internal volume tolerance. These differ from standard hematocrit tubes in inner diameter; using the wrong tube in a blood gas analyzer causes instrument error codes and inaccurate analyte results. Centrifuge Compatibility All 75 mm micro-hematocrit capillary tubes are compatible with standard hematocrit centrifuges rated for 10,000&ndash;14,500 RPM. Confirm your centrifuge head accepts the tube O.D. (1.5 mm &plusmn; 0.05 mm for Globe Scientific glass tubes) before ordering in bulk.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific soda lime glass micro-hematocrit capillary tubes have an I.D. of 1.15 mm &plusmn; 0.05 mm, O.D. of 1.5 mm &plusmn; 0.05 mm, and a length of 75 mm &plusmn; 1 mm, with a fill volume of approximately 75 &micro;L. The standard centrifugation protocol is 10,000&ndash;14,500 RPM for 5 minutes in a dedicated hematocrit centrifuge. Normal hematocrit ranges: 38&ndash;50% for adult males, 35&ndash;47% for adult females; values outside this range, combined with elevated ESR and other CBC parameters, are used to evaluate anemia, polycythemia, and inflammatory conditions. As of 2026, Globe Scientific is an ISO 9001:2015&ndash;certified manufacturer and MBP-stocked supplier of both glass and plastic capillary tube formats. 
For specifications, size options, or bulk ordering support, <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">connect with the MBP team</a> to choose the right capillary solution for your laboratory application.

51602-Group-Lab Supplies for Physicians Offices

Soda Lime Glass Micro-Hematocrit Capillary Tubes

51602 by Globe Scientific are plain (blue-tip) soda lime glass micro-hematocrit capillary tubes measuring 75 mm × 1.15 mm ID, holding ~75 µL, rated for 14,500 RPM centrifugation. ISO 9001:2015 manufactured; supplied 1,000 tubes per box (10 vials × 100). For use with anticoagulated blood specimens in PCV/hematocrit determination.

Capillary Tube, Microhematocrit, Soda Lime Glass, Blue Tip, Plain, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Green Tip, Ammonium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, Soda Lime Glass, Red Tip, Sodium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

51680-Group-Lab Supplies for Physicians Offices

Plastic Micro-Hematocrit Capillary Tubes

51680 by Globe Scientific is a plain, blue-tip plastic (PETG) micro-hematocrit capillary tube — 75 mm long, 1.55 mm OD, 0.90 mm ID, 45 µL volume. Unbreakable plastic eliminates glass breakage risk; spin rate 12,000 RPM for 4 minutes. 1,000 tubes per box. Complies with FDA, NIOSH, CDC, and OSHA safety recommendations.

Capillary Tube, Microhematocrit, 100% PLASTIC, Blue Tip, Plain, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, 100% PLASTIC, Green Tip, Ammonium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

Capillary Tube, Microhematocrit, 100% PLASTIC, Red Tip, Sodium Heparinized, 100/Vial, 10 Vials/Unit, BOX/1000

51601-Group-Lab Supplies for Physicians Offices

Capillary Tube Accessories

51601 by Globe Scientific is a capillary tube sealing tray with a non-toxic, non-drying wax compound sealant and 24 numbered positions for patient identification. Provides a leak-tight seal on hematocrit and standard capillary tubes without heat sealing; withstands standard microhematocrit centrifugation. For POL, clinical, and hematology lab use.

Bulb, for Capillary Tubes, EA

Bulb, for Capillary Tubes, BAG/10

Bulb, for Capillary Tubes, 10/Bag, 10 Bags/Unit, CS/100

Capillary Tube Holding Tray with Sigillum Wax Sealant, 24-Place, BOX/10

End Caps, for Capillary Tubes, BOX/500

51628-Lab Supplies for Physicians Offices

Capillary Tube, Microhematocrit, Borosilicate Glass, Precalibrated, 100/Vial, 10 Vials/Unit, BOX/1000

Globe Scientific 51628 — borosilicate glass microhematocrit capillary tubes, ammonium heparin–treated, precalibrated with a black 60 mm line. ID 0.55 mm, OD 1.55 mm, length 75 mm, 18 µL capacity. Box of 1,000 (100/vial × 10 vials). For packed cell volume (PCV) determination in clinical and veterinary hematology.

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