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微針制備解決方案

微針制備解決方案

微針制備解決方案

本解決方案包括微針制備材料、微針模具、真空除泡裝置、微針注液裝置、微針干燥套裝。


  • 產(chǎn)品詳情
  • 使用說(shuō)明
  • 相關(guān)視頻
  • 常見(jiàn)問(wèn)題
  • 應(yīng)用案例
  • 用戶論文

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產(chǎn)品介紹

產(chǎn)品簡(jiǎn)介

基于水凝膠等生物材料的微針相比傳統(tǒng)金屬、硅基微針具有以下顯著優(yōu)勢(shì):1)具有載藥量大和可控的藥物控釋效果;2)針體材料由高分子生物材料構(gòu)成,生物相容性良好,避免針尖斷裂對(duì)皮膚造成的潛在損傷;3)采用交聯(lián)的高分子生物材料制備微針可實(shí)現(xiàn)微針在皮下溶脹而不溶解,進(jìn)而使藥物釋放更持久。

然而,水凝膠基微針的制備也面臨多重挑戰(zhàn),例如:溶液黏度高,注液除泡難度大、微針易皺縮、襯底不平整、針形不規(guī)整、針尖強(qiáng)度低等。

為了解決上述問(wèn)題,讓微針制備更高效,EFL總結(jié)并推出微針制備整套解決方案,涉及如下關(guān)鍵環(huán)節(jié):材料選擇、模具適配、針尖填充、干燥脫模。


圖片1.jpg



環(huán)節(jié)1-材料選擇

EFL提供用于制備微針的光固化生物材料和非光固化生物材料:

圖片2.jpg


環(huán)節(jié)2-模具適配

根據(jù)EFL技術(shù)支持團(tuán)隊(duì)與用戶的長(zhǎng)期溝通反饋,EFL團(tuán)隊(duì)優(yōu)化了常用規(guī)格的微針模具,具體規(guī)格如下:


圖片3.jpg


環(huán)節(jié)3-針尖填充

方案一:真空除泡工藝(適配真空除泡裝置EFL-VDM-001)

圖片4.jpg


圖片5.jpg

方案二:真空注液工藝(適配微針注液裝置EFL-VLF100)





環(huán)節(jié)4-干燥脫模

微針干燥過(guò)程對(duì)其形貌及性能有很大影響,條件控制不當(dāng)可能造成針尖形變、襯底與針尖分離、襯底空殼、襯底皺縮不平、藥物失活等問(wèn)題。EFL基于長(zhǎng)期工藝研究經(jīng)驗(yàn)推出適配不同工藝條件的微針干燥套裝(EFL-VLF-006),該套裝不受外界氣流和濕度干擾,可在低溫、室溫及高溫條件下完成微針干燥,獲得規(guī)整微針貼片。


圖片8.jpg


微針表征

圖片9.jpg

圖1. HAMA光固化可溶脹性水凝膠微針實(shí)物圖(A: 針高500μm,針底部直徑270μm,貼片直徑17.5mm; B,C: 針高600μm,針底部直徑270μm,貼片:14.5mmX14.5mm)


圖片10.jpg

圖2. 針高分別為500μm和600μm的微針SEM圖


圖片11.jpg

圖3. 針高分別為500μm和600μm的微針CLSM圖(針尖-羅丹明B標(biāo)記,基底-熒光素標(biāo)記)


圖片12.jpg

圖4. 不同微針的力-位移曲線



產(chǎn)品說(shuō)明書(shū)

  • 【產(chǎn)品說(shuō)明書(shū)】EFL-VLF100-微針注液裝置

  • 【產(chǎn)品說(shuō)明書(shū)】EFL-VDM-001-真空除泡裝置

答疑

應(yīng)用案例

【傷口愈合應(yīng)用】《AHM》:如何利用HAMA水凝膠微針負(fù)載外泌體促進(jìn)老年傷口愈合?

【傷口愈合應(yīng)用】《AHM》:如何利用GelMA微針促血管生成抑制炎癥治療皮膚傷口?

【傷口愈合應(yīng)用】包封間充質(zhì)干細(xì)胞外泌體和抗菌銀納米顆粒的微針用于糖尿病傷口愈合

【傷口愈合應(yīng)用】《Advanced Materials》:如何利用水凝膠微針負(fù)載外泌體促進(jìn)組織再生和糖尿病傷口愈合?

【傷口愈合應(yīng)用】港理工&浙大&蘇大《Materials Horizons》:核殼微針

【傷口愈合應(yīng)用】國(guó)家杰青課題組《NC》:如何利用GelMA微針抑制增生性瘢痕?

【傷口愈合應(yīng)用】《AFM》:仿生珊瑚的3D打印中空微針實(shí)現(xiàn)感染性創(chuàng)傷的智能響應(yīng)治療

【傷口愈合應(yīng)用】《Advanced Science》:抗菌微針可以這樣設(shè)計(jì)

【傷口愈合應(yīng)用】三軍大羅高興/于云龍團(tuán)隊(duì)《AFM》:磁熱導(dǎo)向的雙層微針貼片治療慢性感染創(chuàng)面的研究

【干眼癥治療應(yīng)用】愛(ài)爾眼科與多個(gè)高校聯(lián)合發(fā)《Advanced Science》:智能微針貼片降臨,干眼癥患者的福音!

【角膜修復(fù)應(yīng)用】中山大學(xué)中山眼科中心《ACS Nano》:利用裝載工程間充質(zhì)基質(zhì)細(xì)胞外泌體的微針改善化學(xué)損傷后的角膜愈合

【細(xì)菌性角膜炎治療應(yīng)用】上海交通大學(xué)《AHM》:鐵基核黃素光熱微針通過(guò)離子治療和免疫調(diào)節(jié)治療細(xì)菌性角膜炎

【牙周炎治療應(yīng)用】GelMA透明質(zhì)酸“巧”結(jié)合,新型雙層微針貼片再發(fā)AFM!

【牙周炎治療應(yīng)用】《Nano Today》:多功能絲素納米酶復(fù)合微針,實(shí)現(xiàn)可控光療殺菌,高效治療牙周炎

【口腔黏膜修復(fù)應(yīng)用】如何利用水凝膠微針治療口腔黏膜疾???

【皮膚間質(zhì)液提取應(yīng)用】《Advanced Materials》:一種與空心微針集成的可穿戴觸控激活設(shè)備,可用于連續(xù)采樣和感知皮膚間質(zhì)液

【皮膚間質(zhì)液提取應(yīng)用】Small: GelMA微針貼片用于皮膚組織液的微創(chuàng)提取

【食品檢測(cè)應(yīng)用】《Food Chemistry》:水凝膠微針用于檢測(cè)三文魚(yú)新鮮度

【軟組織損傷修復(fù)應(yīng)用】《Small Structures》光熱微針?biāo)z貼片:通過(guò)熱敏抗炎調(diào)節(jié),攻克難治性軟組織損傷的新希望

【糖尿病治療應(yīng)用】浙大顧臻團(tuán)隊(duì)《ACS Nano》:智能微針裝在胰島素含量再創(chuàng)新高

【細(xì)菌生物膜感染治療應(yīng)用】《AFM》:GelMA熒光微針治療診斷貼片

【血糖檢測(cè)應(yīng)用】基于GelMA的無(wú)線、無(wú)電池可膨脹微針貼片用于微創(chuàng)血糖檢測(cè)

【缺血再灌注損傷修復(fù)應(yīng)用】《Int. J. Biol. Macromol.》:GelMA微針實(shí)現(xiàn)缺血再灌注損傷的保護(hù)

【脊髓損傷修復(fù)應(yīng)用】持續(xù)遞送細(xì)胞外囊泡的多孔微針貼片可減輕嚴(yán)重脊髓損傷

【藥物控釋應(yīng)用】《Science Advances》: 3D打印仿藍(lán)環(huán)章魚(yú)微針實(shí)現(xiàn)潮濕環(huán)境下藥物控釋

【銀屑病治療應(yīng)用】《ACS Nano》:“一快一慢”雙模式藥物釋放微針貼片!用于長(zhǎng)期銀屑病的智能治療

【痤瘡治療應(yīng)用】《Science Advances》:香港大學(xué)醫(yī)學(xué)院超聲響應(yīng)微針貼片高效治療痤瘡

【心肌梗死治療應(yīng)用】《Acta Biomaterialia》:以蜜蜂毒刺為靈感的自鎖微針貼片及其在心肌梗死治療中的應(yīng)用

【細(xì)胞治療應(yīng)用】Nature子刊:冷凍微針用于透皮微創(chuàng)細(xì)胞輸送治療

【跟腱病治療應(yīng)用】ACS Nano 南師大毛春/萬(wàn)密密、南大史冬泉團(tuán)隊(duì):負(fù)載外泌體的微針陣列用于治療跟腱病

【缺血性心肌病治療應(yīng)用】Science Advances:微針介導(dǎo)的基因傳遞可治療缺血性心肌病

【2024用戶論文】水凝膠微針應(yīng)用盤點(diǎn)

【EFL用戶論文盤點(diǎn)】水凝膠微針應(yīng)用

【專題集錦】微針貼片制備及應(yīng)用

用戶論文

Photothermal Conjugated Polymer Microneedle with Biofilm Elimination and Angiogenesis for Diabetic Wound Healing.Nano Letters.2025

Biomineralized Nanocomposite-Integrated Microneedle Patch for Combined Brachytherapy and Photothermal Therapy in Postoperative Melanoma Recurrence and Infectious Wound Healing.Advanced Science.2025

An aptamer-responsive microneedle patch sensor platform combining with hybridization chain reaction amplification for detection of steroid hormone cortisol in skin interstitial fluid.Biosensors and Bioelectronics.2024

I-Motif DNA Based Fluorescent Ratiometric Microneedle Sensing Patch for Sensitive Response of Small pH Variations in Interstitial Fluid.ACS Sensors.2024

Cell-free fat extract-loaded microneedles attenuate inflammation-inducedapoptosis and mitochondrial damage in tendinopathy.Materials Today Bio.2023

An antimicrobial microneedle patch promotesfunctional healing of infected woundsthrough controlled release of adipose tissue-derived apoptotic vesicles.Journal of Nanobiotechnology.2024

A wireless, battery-free microneedle patch with light-cured swellable hydrogel for minimally-invasive glucose detection.Nano Energy.2024

Implantable Microneedle-Mediated Eradication of Postoperative Tumor Foci Mitigates Glioblastoma Relapse.Advanced Materials.2024

Photothermal Microneedle Hydrogel Patch for Refractory Soft Tissue Injuries through Thermosensitized Anti-Inflammaging Modulation.Small Structures.2024

Highly Active Frozen Nanovesicles Microneedles for Senile Wound Healing via Antibacteria, Immunotherapy, and Skin Regeneration.Advanced Healthcare Materials.2024

Construction of versatile fibroin/nanozyme hybrid microneedles with controllable phototherapeutic sterilization property against periodontitis.Nano Today.2024

Nanoparticle–Patch System for Localized, Effective, and Sustained miRNA Administration into Infarcted Myocardium to Alleviate Myocardial Ischemia–Reperfusion Injury.ACS Nano.2024

A differential-targeting core–shell microneedlepatch with coordinated and prolonged release ofmangiferin and MSC-derived exosomes forscarless skin regeneration.Materials Horizons.2024

Gelatin methacryloyl microneedle loaded with 3D-MSC-Exosomes for the protection of ischemia-reperfusion.International Journal of Biological Macromolecules.2024

Self-Sterilizing Microneedle Sensing Patches for Machine Learning-Enabled Wound pH Visual Monitoring.Advanced Functional Materials.2024

Novel Double-Layer Dissolving Microneedles for Transmucosal Sequential Delivery of Multiple Drugs in the Treatment of Oral Mucosa Diseases.ACS Applied Materials & Interfaces.2023

Lubricating Microneedles System with Multistage Sustained Drug Delivery for the Treatment of Osteoarthritis.Small.2024

Antibacterial, adhesive, and MSC exosomes encapsulated microneedleswith spatio-temporal variation functions for diabetic wound healing.Nano Today.2022

Magnetic Field-Directed Deep Thermal Therapy via Double-Layered Microneedle Patch for Promoting Tissue Regeneration in Infected Diabetic Skin Wounds.Advanced Functional Materials.2023

Blue-ringed Octopus Inspired Microneedle Patch for Robust Tissue Surface Adhesion and Active-injection Drug Delivery.Science Advances.2023

ROS-responsive microneedles loaded with integrin avβ6-blocking antibodies for the treatment of pulmonary fibrosis.Journal of Controlled Release.2023

Porous microneedle patch with sustained delivery of extracellular vesicles mitigates severe spinal cord injury.Nature Communications.2023

Microneedle Patches with Antimicrobial and Immunomodulating Properties for Infected Wound Healing.Advanced Science.2023

The Eradication of Biofilm for Therapy of Bacterial Infected Chronic Wound Based on pH-Responsive Micelle of Antimicrobial Peptide Derived Biodegradable Microneedle Patch.Chemical Engineering Journal.2023

Microneedle Patch Loaded with Exosomes Containing microRNA-29b Prevents Cardiac Fibrosis after Myocardial Infarction.Advanced Healthcare Materials.2023

Collagen type I–loaded methacrylamide hyaluronic acid hydrogel microneedles alleviate stress urinary incontinence in mice: A novel treatment and prevention strategy.Colloids and Surfaces B: Biointerfaces.2023

Artificial Intelligence-Assisted Bioinformatics, Microneedle, and Diabetic Wound Healing: A “New Deal” of an Old Drug.ACS Applied Materials & Interfaces.2022

Microneedle Patches-Integrated with Biomineralized Melanin Nanoparticles for Simultaneous Skin Tumor Photothermal Therapy and Wound Healing.Advanced Functional Materials.2022

Persistent Production of Reactive Oxygen Species with Zn2GeO4Cu Nanorod-Loaded Microneedles for Methicillin-Resistant Staphylococcus Aureus Infectious Wound Healing.ACS Applied Materials & Interfaces.2022

Photothermal Nanozyme-based Microneedle Patch against Refractory Bacterial Biofilm Infection via Iron-actuated Janus Ion Therapy.Advanced Materials.2022

Silk fibroin-based colorimetric microneedle patch for rapid detection of spoilage in packaged salmon samples.Food Chemistry.2023

Nitric Oxide Nanomotor Driving Exosomes_x005f_x005f_x005f_x005f_x0002_Loaded Microneedles for Achilles Tendinopathy Healing.ACS Nano.2021

Three-Dimensional-Cultured MSC-Derived Exosome-Hydrogel Hybrid Microneedle Array Patch for Spinal Cord Repair.Nano Letters.2022

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