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Key Documents

934445

Sigma-Aldrich

Microneedle template

10x10 array, H 300 μm, base size 100 μm, 500 µm pitch

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About This Item

UNSPSCコード:
44111809
NACRES:
NA.23

H

300 μm

ベースサイズ

100 μm

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詳細

Microneedles are a platform for transdermal drug delivery. The advantages of microneedles include the delivery of large molecules, painless and less invasive administration of the active pharmaceutical ingredient (API), ease of administration, and improved drug delivery including dose, delivery rate and efficacy. Microneedles are also effective for vaccine delivery due to the abundance of immune cells in the dermis. These microneedle templates can be used to make reproducible and high quality microneedle patches for a variety of therapeutics.

アプリケーション

Transdermal delivery of a variety to therapeutics including:
  • Nucleic acid delivery
  • Vaccine delivery
  • Protein or peptide delivery
  • Small molecule delivery

特徴および利点

Microneedle templates are exclusively made for producing dissolvable microneedle patches with excellent quality and repeatability. These templates are made of silicone rubber which is extremely durable, and chemical and heat resistant.

物性

Microneedle template properties:
  • Silicone Template
  • Material: PDMS
  • Patch Size (D): 8mm x 8mm
  • Array Size: 10 x 10
  • Needle Height (A): 300 µm
  • Needle Base (B): 100 µm
  • Needle Pitch (C): 500 µm
  • Length of last microneedle cavity to the edge of the patch (F) can be calculated using the following formula: F = (patch size - [(n-1) x pitch)] / 2 where n = number of microneedles in one array
  • Sterilization: Autoclave (optional)
  • No. of use: repeated use if clean and stored properly

その他情報

Suggested instructions for use:

1. Ensure the microneedle template is clean by washing with mild soap and letting them air dry completely
2. Pipette a small quantity (50-100 µL) of the drug mixture onto the microneedle template
3. Subject the template to centrifugal force for >60 seconds to ensure that all microneedle cavities are completely filled. The speed and duration are proportional to the viscosity of the matrix material and the volume of microneedle cavities to fill. Complete filling can be confirmed by observing the microneedle cavities under microscope (20x). No air bubbles are present for complete filling.

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文書ライブラリにアクセスする

Advances of Microneedles in Biomedical Applications
Xu, Jie, et al.
Molecules (Basel), 26, 5912-5912 (2021)
Ziad Sartawi et al.
Journal of controlled release : official journal of the Controlled Release Society, 348, 186-205 (2022-06-07)
Microneedles are a rapidly developing method for the transdermal delivery of therapeutic compounds. All types of microneedles, whether solid, hollow, coated, or dissolving function by penetrating the stratum corneum layer of the skin producing a microchannel through which therapeutic agents
Ying Hao et al.
Journal of biomedical nanotechnology, 13(12), 1581-1597 (2018-03-02)
A microneedle (MN) is a micron-sized needle with a height of 10-2000 μm and a width of 10-50 μm, which can penetrate through the epidermis layer to dermal tissue directly without pain. Microneedles are widely used in transdermal drug delivery
Jie Xu et al.
Molecules (Basel, Switzerland), 26(19), 5912-5912 (2021-10-14)
A microneedle (MN) is a painless and minimally invasive drug delivery device initially developed in 1976. As microneedle technology evolves, microneedles with different shapes (cone and pyramid) and forms (solid, drug-coated, hollow, dissolvable and hydrogel-based microneedles) have been developed. The

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