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High-Quality Laboratory Supplies for Reliable Research

MIDSCI™ understands that the right lab supplies are the foundation of reliable research across the life sciences. When your lab relies on frequent replenishment of essential scientific supplies, we deliver the labware you need with the speed and personalized service you don’t see with big-box distributors.

From glassware and plasticware to PPE, pipette tips, test tubes, and reagent reservoirs, we offer products designed for accuracy, durability, and compliance. Whether you work in life sciences, microbiology, or pharmaceutical development, our lab essentials help you maintain efficiency without compromising quality.

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pureGrade™ 96-Well Untreated Assay Plates

  • pureGrade™ Plates feature untreated surfaces for use in a variety of laboratory tasks, such as homogeneous assays, screening, and storage.
  • pureGrade™ assay plates are offered in 96, 384, and 1536 well formats; 96-well plates are available in different well geometries
  • Non-treated, non-sterile, and made of Polystyrene
  • Hydrophobic surface is perfect for homogenous standard assays and extensive screening assays
  • Uncolored PS provides a high transparency with optimal optical characteristics
  • Colors available include transparent, white, and black, along with colored plates with transparent bottoms
  • Gray alphanumeric coding on black and white plates
  • Free from endotoxins, DNase, DNA, RNase
  • Standard 96 well plates are packaged in 20 stacks of 5 plates; transparent bottomed plates are 4 bags of 25 plates
  • Lids available separately

 
Specifications
Well-TypeDescription
F-BottomFlat well bottom. Designed for precise optical measurements, colorimetric determinations, and microscopy applications.
F-Trans BottomTransparent flat well bottom.
U-BottomRound shaped well bottom. Well suited for stirring and washing samples.
V-BottomConical well bottom. For maximized sample recovery.
C-BottomFlat well bottom with curve.

  
    
 

Item#:
ASCHROPLATES2

pureGrade-S Plates are sterile and untreated for applications such as bacteriological assays, screening, and storage.

    • pureGrade-S assay plates are offered in 96, 384, and 1536 well formats; 96-well plates are available in different well geometries
    • Sterile, non-treated, and made of Polystyrene
    • Hydrophobic surface is perfect for homogenous standard assays and extensive screening assays
    • Uncolored PS provides a high transparency with optimal optical characteristics
    • Colors available include transparent, white and black, along with colored plates with transparent bottoms
    • Gray alphanumeric coding on black and white plates
    • Free of endotoxins, DNase/RNase, and nucleic acid
    • Packaged individually with lids
    • Well volume: 350ul

Well-Type

Description

F-Bottom

Flat well bottom. Designed for precise optical measurements, colorimetric determinations, and microscopy applications.

F-Trans Bottom

Transparent flat well bottom.

U-Bottom

Round shaped well bottom. Well suited for stirring and washing samples.

V-Bottom

Conical well bottom. For maximized sample recovery.

C-Bottom

Flat well bottom with curved edges. Combines the advantages of U-Bottom and F-Bottom plates.
Item#:
ASCHROPLATES5

pureGrade Plates feature untreated surfaces for use in a variety of laboratory tasks, such as homogeneous assays, screening, and storage.

    • pureGrade assay plates are offered in 96, 384, and 1536 well formats; 96-well plates are available in different well geometries
    • Non-treated, non-sterile and made of Polystyrene
    • Hydrophobic surface is perfect for homogenous standard assays and extensive screening assays
    • Uncolored PS provides a high transparency with optimal optical characteristics
    • Colors available include transparent, white and black
    • Gray alphanumeric coding on black and white plates
    • Free from endotoxins, DNase, DNA, RNase
    • 1536-well plates are packaged in 5 bags of 10 plates
    • Lids available separately
Item#:
ASCHROPLATES4

pureGrade-S Plates are sterile and untreated for applications such as bacteriological assays, screening, and storage.

    • pureGrade-S assay plates are offered in 96, 384, and 1536 well formats; 96-well plates are available in different well geometries
    • Sterile, non-treated, and made of Polystyrene
    • Hydrophobic surface is perfect for homogenous standard assays and extensive screening assays
    • Uncolored PS provides a high transparency with optimal optical characteristics
    • Colors available include transparent, white and black, along with colored plates with transparent bottoms
    • Gray alphanumeric coding on black and white plates
    • Free of endotoxins, DNase/RNase, and nucleic acid
    • Packaged individually with lids
Item#:
ASCHROPLATES6

immunoGrade - High Binding Capability 

immunoGrade plates are optimized for the immobilization of IgG. They offer the highest binding capacity for molecules with mixed hydrophobic and hydrophilic regions. An excellent choice for the majority of standard ELISAs, and also suitable for solid phase immunoassays.

    • immunoGrade assay plates are offered in 96 and 384 well formats; 96-well plates are available in different well geometries
    • Optimized for the immobilization of IgG, and offering the highest biding capacity for molecules with mixed hydrophilic and hydrophobic regions
    • Surface choice for standard ELISA assays
    • Non-sterile, polystyrene
    • Colors available include transparent, white and black
    • Free from endotoxins, DNase, DNA, RNase
    • Packaged in 10 stacks of 5 plates
    • Lids available separately

 

At a glance: Microplates for immunoassays:

immunoGrade

hydroGrade

lipoGrade

Surface:

Hydrophilic and hydrophobic regions

Strongly hydrophilic

Strongly lipophilic/hydrophobic

Feature:

Optimized for immobilization og IgG and molecules with hydrophilic and hydrophobic regions

Binds molecules with predominantly hydrophilic regions

Binds biomolecules with predominantly hydrophobic regions

Application:

Standard ELISA

Solid phase with hydrophilic molecules; liquid phase with hydrophobic molecules

Solid phase with hydrophobic molecules; liquid phase with hydrophilic molecules
Item#:
ASCHROPLATES9

immunoGrade™ - High Binding Capability 


immunoGrade™ plates are optimized for the immobilization of IgG. They offer the highest binding capacity for molecules with mixed hydrophobic and hydrophilic regions. An excellent choice for the majority of standard ELISAs, and also suitable for solid phase immunoassays. 

  • immunoGrade™ assay plates are offered in 96 and 384-well formats; 96-well plates are available in different well geometries
  • Optimized for the immobilization of IgG, and offering the highest binding capacity for molecules with mixed hydrophilic and hydrophobic regions
  • Surface choice for standard ELISA assays
  • Polystyrene, Non-sterile
  • Colors available include transparent, white and black
  • Blue alphanumeric coding on 96 well plates
  • Free from endotoxins, DNase, DNA, RNase
  • Standard plates are packaged in 20 stacks of 5 plate, along with colored plates with transparent bottoms s
  • Each inner pack contains one lid (i.e. one lid per 5 plates for standard plates; one lid per 25 plates for transparent bottom plates)
  • Lids available separately

 

Specifications:
 
immunoGrade™hydroGrade™lipoGrade™
SurfaceHydrophilic and hydrophobic regionsStrongly hydrophilicStrongly lipophilic/hydrophobic
FeatureOptimized for immobilization og IgG
 and molecules with hydrophilic and
hydrophobic regions		Binds molecules with predominantly
hydrophilic regions		Binds biomolecules with
predominantly hydrophobic regions
ApplicationStandard ELISASolid phase with hydrophilic
molecules; liquid phase with
hydrophobic molecules		Solid phase with hydrophobic
molecules; liquid phase
with hydrophilic molecules

Well-TypeDescription
F-BottomFlat well bottom. Designed for precise optical measurements, colorimetric determinations, and microscopy applications.
F-Trans BottomTransparent flat well bottom.
U-BottomRound shaped well bottom. Well suited for stirring and washing samples.
V-BottomConical well bottom. For maximized sample recovery.
C-BottomFlat well bottom with curve.
 

Item#:
ASCHROPLATES8

100 Place Microtube Storage Box

  • Polypropylene boxes withstand freezing (to -80ºC) and autoclaving
  • The 3-point hinge maintains its integrity during repeated use
  • A positive catch keeps the lid securely fastened
  • Alpha-numeric indexing is printed inside the boxes for easy sample ID, and the clear lid allows visibility even when the lid is closed
  • Boxes are available in a variety of colors for coding samples and hold one hundred 1.5/2.0 mL tubes, cryovials or chromatography vials
  • Measure 42 x 142 x 55 mm
  • A solid black box is available for light sensitive samples
Item#:
AS100PLMICSTBOX
12x32mm, 9mm Neck Screw Thread

2 mL Clear R.A.M. Vial with White Graduation Spot

Consistently and Quality Made with Affordable Prices: Excellence in Chromatography

These 2 mL chromatography R.A.M vials have a 40% larger opening and are specifically designed to work in robotic arm autosamplers (i.e.: Agilent). They are made of clear Type I borosilicate glass and are available with white graduated marking spots - easy to write on with a #2 pencil.

The Large Opening R.A.M. vials make an excellent choice to daily chromatographic experiments in the lab combining the highest quality and consistent results with low cost. A must have for your research.

 

Specifications:

  • Material Type: Type I borosilicate glass
  • Color: Clear
  • Capacity: 2 mL
  • Outside Diameter: 12 mm
  • Overall Height: 32 mm
  • Neck Size: 9 mm
Item#:
32009E-1232
Your Price:
256.00
Each

NEST BioFactory™

  • Temperature Range: Approx. -86° to +64°C
  • Sterilized by E-Beam SAL=10-6
  • Nonpyrogenic
  • Double-layer sterile bag
  • TC treated, good for cell attachment and growth
  • Clear lot number for batch traceability
  • Ultrasonic welding without extrinsic ingredients. Excellent welding line design can avoid producing particles during welding. And make the BioFactory™ stronger.
  • Vent caps with 0.22um hydrophobic filters for gas exchange without contamination.
  • Wide mouth is applicable to pour culture medium directly. Narrow mouth is applicable to operate with the aseptic pipeline.
  • Growth kinetics are the same as cells grow in the cell culture flasks. Applicable to large-scale culture adherent cells.
  • Large growing area. Just a single operate, you can cultivate a large number of cells and reduce contamination risk.
  • Applicable to automatic machine. Standardize operations to reduce batch differences.

Nest BioFactory™ Systems are compact, multi-layer, single-use cell culture systems designed for easy scale-up cell culture applications, such as production of vaccines, monoclonal antibodies, or pharmaceuticals. Versatile, easy-to-use systems for small scale research or commercial production with reduced contamination risk. Narrow mouth caps available for tubing solutions.

BioFactory™ Layer choices

  • 1 Layer
  • 2 Layers
  • 5 Layers
  • 10 Layers
  • 40 Layers


Material

USP Class VI grade polystyrene material

Item#:
ASBIOFACTORY
volume, 11mm, snap/crimp,

100µL Polypropylene Limited Volume Snap Ring/Crimp Top Vials
Consistently and Quality Made with Affordable Prices: Excellence in Chromatography

These 100 µL Plastic Vials with 11mm Snap Ring/Crimp Top make an excellent choice to daily chromatographic and other experiments in the lab combining the highest quality and consistent results with low cost. A must have for your research.

They are made with translucent polypropylene and are compatible with many solvents; ideal for storing pH sensitive samples.


Applications:

  • Ion chromatography
  • Capillary electrophoresis
  • Atomic absorption
  • pH sensitive samples
  • Sodium and heavy metals analyses
  • Aqueous samples

Specifications:

  • Material Type: Polypropylene (PP)
  • Capacity: 100 Microliters
  • Outside Diameter: 12mm
  • Overall Height: 32mm
  • Thread/Crimp Size: 11 millimeters
  • Maximum temperature usage: 135°C/275°F.

 

Case Pack: 1000 pieces
Item#:
30111P-1232
Your Price:
243.00
Each
mm, 11 mm Crimp Clear

2 mL Clear Snap Seal Vials

Consistently and Quality Made with Affordable Prices: Excellence in Chromatography

The Snap Seal Vial has more glass in the neck area to minimize breakage of the neck during decapping. It can be securely sealed with an aluminum crimp seal, the Poly Crimp Seal, or a variety of Snap Top Cap designs.


The vials incorporate the StepVial design that centers a limited volume insert in the vial neck with precision, assuring reliable, dependable use with autosamplers.


These 2mL Clear Snap Seal Vials make an excellent choice to daily chromatographic experiments in the lab combining the highest quality and consistent results with low cost. A must have for your research.

Specifications:

  • Material Type: Type I borosilicate glass
  • Color: Clear
  • Capacity: 2 mL
  • Outside Diameter: 12 mm
  • Overall Height: 32 mm
  • Thread/Crimp Size: 11 millimeters
Case Pack: 1000 pieces
Item#:
31811-1232
Your Price:
200.00
Each

SKU

357331

Color

CLEAR

Material

Type I Borosilicate

Tip Length

45(mm)

Body Length

101(mm)

 

SKU

357335

Color

CLEAR

Material

Type I Borosilicate

Tip Length

108(mm)

Body Length

120(mm)
Item#:
ASGLASPARPIP
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