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生物通主辦的“2021生命科學(xué)十·大創(chuàng)新產(chǎn)品”于2022年1月正式揭曉,Quantum Design中國(guó)·新引進(jìn)的NanoView R200全自動(dòng)外泌體熒光檢測(cè)分析系統(tǒng),憑借其*的設(shè)計(jì)理念及·越的性能,榮獲“2021生命科學(xué)十·大創(chuàng)新產(chǎn)品”!
“生命科學(xué)十·大創(chuàng)新產(chǎn)品”是生物通歷經(jīng)10余年打造的生命科學(xué)科學(xué)儀器行業(yè)·進(jìn)、創(chuàng)新的獎(jiǎng)項(xiàng)之。至今已舉辦十四屆。本次評(píng)選共有28臺(tái)儀器參選,經(jīng)過(guò)評(píng)審家嚴(yán)格篩選以及廣大科研用戶(hù)的投票評(píng)比,終評(píng)選出10·大創(chuàng)新產(chǎn)品。該獎(jiǎng)項(xiàng)致力于讓大家了解生命科學(xué)發(fā)展的新方向,也希望新穎的產(chǎn)品能激發(fā)研究者的靈感,推動(dòng)科研進(jìn)程,助力科研學(xué)者早日攀上科學(xué)研究的高峰!
全自動(dòng)外泌體熒光檢測(cè)分析系統(tǒng)ExoView是美國(guó)NanoView Biosciences于2018年研究推出的,該系統(tǒng)經(jīng)推出,便引起了外泌體域科研工作者的廣泛關(guān)注。僅兩年已有100多個(gè)實(shí)驗(yàn)室采用該技術(shù),發(fā)表文獻(xiàn)近百篇,刊載在Cell, Cell Biology, Journal of Extracellular Vesicles等期刊。ExoView的精準(zhǔn)表征,為科學(xué)家提供了種無(wú)須純化即可直接對(duì)血漿、血清、尿液、培養(yǎng)基中的外泌體進(jìn)行表征分析的新方法。能夠提供單個(gè)外泌體水平下的全·方位外泌體表征信息(包括粒徑大小、分布、計(jì)數(shù)、攜帶蛋白表達(dá)與生物標(biāo)志物(CD9,CD81,CD63等)共定位等),以及多層次和全方面的外泌體測(cè)量解決方案。能夠幫助科學(xué)家更深入地了解外泌體與疾病之間的關(guān)系,助力疾病診斷和新藥開(kāi)發(fā)。
ExoView® R200全自動(dòng)外泌體熒光檢測(cè)分析系統(tǒng)勢(shì)包括:
• 異性捕獲:芯片上可包被多達(dá)6 種捕獲抗體,異性捕獲含定蛋白標(biāo)記物的外泌體。
• 對(duì)陽(yáng)性外泌體計(jì)數(shù):芯片捕獲外泌體后,可通過(guò)單粒子干涉反射成像傳感器(SP-IRIS)技術(shù)直接檢測(cè)樣品中外泌體的數(shù)量。
• 單個(gè)外泌體蛋白共定位分析:檢測(cè)每個(gè)外泌體的熒光信號(hào)并進(jìn)行統(tǒng)計(jì),可獲得熒光共定位信息,用于分析樣品中不同表型外泌體的比例。
• 無(wú)需純化:使用抗體捕獲模式,防止樣品中雜質(zhì)影響結(jié)果,可直接檢測(cè)血液、尿液和細(xì)胞培養(yǎng)液中的外泌體,未純化樣品的測(cè)量結(jié)果與純化后基本致。
• 粒徑分辨率高:高精度SP-IRIS技術(shù),可檢測(cè)≥50 nm的外泌體,測(cè)量結(jié)果與電子顯微鏡檢測(cè)結(jié)果基本致,并統(tǒng)計(jì)生成外泌體的粒徑分布結(jié)果。
• 可檢測(cè)外泌體內(nèi)容物:試劑盒配套相應(yīng)的穿膜劑,可穿透外泌體并對(duì)外泌體內(nèi)容物進(jìn)行染色并檢測(cè),如下圖所示,Non-permeabilized時(shí)只能檢測(cè)到跨膜蛋白CD9的熒光信號(hào), Permeabilized后即可檢測(cè)到外泌體內(nèi)容物(如PD-L1、P-tau等)的表達(dá)。
部分應(yīng)用單位:
部分發(fā)表文獻(xiàn):
• Andras Saftics.(2021) Data evaluation for surface-sensitive label-free methods to obtain real-time kinetic and structural information of thin films: A practical review with related software packages. Advances in Colloid and Interface Science.
• Kyoung-Won Ko.(2021) Integrated Bioactive Scaffold with Polydeoxyribonucleotide and Stem-Cell-Derived Extracellular Vesicles for Kidney Regeneration. ACS Nano.
• Tanina Arab. (2021) Characterization of extracellular vesicles and synthetic nanoparticles with four orthogonal single‐particle analysis platforms. Journal of Extracellular Vesicles.
• Niaz Z.Khan.(2021) Spinal cord injury alters microRNA and CD81+ exosome levels in plasma extracellular nanoparticles with neuroinflammatory potential. Brain, Behavior, and Immunity.
• Dario Brambilla. (2021) EV Separation: Release of Intact Extracellular Vesicles Immunocaptured on Magnetic Particles. Analytical Chemistry.
• Enkhtuya Radna. (2021) Extracellular vesicle mediated feto-maternal HMGB1 signaling induces preterm birth. Lab on a Chip.
• Li, M., Soder. (2021) WJMSC‐derived small extracellular vesicle enhance T cell suppression through PD‐L1. Journal of Extracellular Vesicles.
• Crescitelli, R. (2021) Isolation and characterization of extracellular vesicle subpopulations from tissues. Nature protocols.
• Berger, A. (2021). Local administration of stem cell-derived extracellular vesicles in a thermoresponsive hydrogel promotes a pro-healing effect in a rat model of colo-cutaneous post-surgical fistula. Nanoscale.
• Vidal, M. (2020) Exosomes and GPI-anchored proteins: Judicious pairs for investigating biomarkers from body fluids. Advanced drug delivery reviews.
• K Cho, H Kook.(2020)Study of immune-tolerized cell lines and extracellular vesicles inductive environment promoting continuous expression and secretion of HLA-G from semiallograft immune tolerance during pregnancy. Journal of Extracellular Vesicles.
• Maximillian A. Rogers.(2020)Annexin A1–dependent tethering promotes extracellular vesicle aggregation revealed with single–extracellular vesicle analysis. Cell Biology.
• Annette M. Marleau.(2020)Targeting tumor-derived exosomes using a lectin affinity hemofiltration device. Cancer Research.
• Alessandro Gori.(2020)Membrane-Binding Peptides for Extracellular Vesicles On-Chip Analysis. Journal of Extracellular Vesicles.
• Rossella Crescitelli.(2020)Subpopulations of extracellular vesicles from human metastatic melanoma tissue identified by quantitative proteomics after optimized isolation. Journal of Extracellular Vesicles.
• Maria S. Panagopoulou.(2020) Phenotypic analysis of extracellular vesicles: a review on the applications of fluorescence. Journal of Extracellular Vesicles.
• WeiYan.(2020) Immune Cell-Derived Exosomes in the Cancer-Immunity Cycle. Trends in Cancer.
• Daniel Bachurski. (2019) Small RNA Sequencing across Diverse Biofluids Identifies Optimal Methods for exRNA Isolation. Cell.
為了更好的服務(wù)中國(guó)客戶(hù),Quantum Design中國(guó)子公司在北京建立了業(yè)的客戶(hù)服務(wù)中心,正式推出業(yè)的全·方位外泌體表征測(cè)試服務(wù),您只需要少量樣品即可獲得全·方位的外泌體表征數(shù)據(jù)。
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