香港黄大仙码报要钱料
PerkinElmer

先导化合物优化

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Engineer drug candidates with the lowest risk of failure in the critical latter stages of drug development. Our lead optimization solutions reduce off-target activity through improved selectivity, enhance potency, and improve the chemical and metabolic properties of the lead compound for better in vivo pharmacodynamics and pharmacokinetics.

We also offer informatics software applications that help you manage chemical structures and their associated data and properties in an efficient and chemically intelligent way.

Business Insights (15)
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  • Application Note (11)
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1-12 的 15 Business Insights

  • 应用文献

    Imaging Bile Canaliculi in 3D Liver Microtissues using the Opera Phenix HCS System

    Analyzing transport of biliary metabolites is essential to predict pharmacokinetics and hepatotoxicity during drug development. A functional impairment of hepatobilary transporters, such as bile salt export pump (BSEP) and multidrug resistance-associated protein 2 (MRP-2), is strongly associated with an increased risk of cholestatic liver injury. Here, we describe a 3D high-content screening assay to study hepatobiliary transporter function in InSphero human liver microtissues. Confocal imaging and automated image analysis were used to quantify BSEP and MRP-2-mediated efflux of fluorescent substrates into bile canaliculi.

  • 应用文献

    用高内涵筛选系统进行FRET测定

    在这个实验中,我们建立了一种快速稳定的基于FRET的高内涵检测...

  • 应用文献

    Phenotypic Profiling of Autophagy using the Opera Phenix High-Content Screening System

    Cells constantly sense their environment and their response is a spatio-temporal summation of all signals. To maintain physiological stability, cells need to adjust to environmental changes, a process called homeostasis. One of the most important processes involved in maintaining homeostasis is autophagy, and its significance was recognized by the award of the Nobel Prize for Physiology in 2016 to Yoshinori Ohsumi for the discovery of its underlying mechanisms. Although this is not fully understood, it is believed that autophagy can prevent tumor development by degrading, for example, damaged organelles and protein aggregates.

  • 应用文献

    NIR Fluorescent Cell Labeling for In Vivo Cell Tracking (VivoTrack 680)

    Fluorescent dyes have been used for many years to label cells for microscopy studies, and a variety of dyes in the visible fluorescence spectrum are available to label different cellular compartments and organelles. Efficient delivery of the fluorophore to the cell without excessively modifying surface proteins or perturbing cell function is the major biotechnological challenge. In addition, researchers have taken on the challenge of in vivo imaging, focusing on near infrared (NIR) dyes that fluoresce in a spectral region better suited for in vivo imaging due to reduced background and higher tissue penetration.

  • 应用文献

    Analyzing ERK Signal Transduction in Live Cells Using a FRET-Based Biosensor

    Extracellular signal-regulated kinase (ERK) is a key component in the regulation of embryogenesis, cell differentiation, cell proliferation, and cell death. The ERK signaling pathway is altered in various cancer types and is frequently investigated as a target for therapeutic intervention. This application note describes how a live cell FRET assay to study ERK signaling was performed on the Operetta CLS? high-content analysis system. The optimized design of the FRET-based biosensor, the high-quality imaging of the Operetta CLS system and the easy-to-use image analysis tools of the Harmony? software contribute to the robustness of the high-content assay.

  • 应用文献

    Vascular Imaging Probes For Oncology and Inflammation Using the IVIS Spectrum

    Optical-based in vivo imaging of vascular changes and vascular leak is an emerging modality for studying altered physiology in a variety of different cancers and inflammatory states. A number of fluorescent imaging probes that circulate with the blood, but have no target selectivity, have been used to detect tumor leakiness as an indication of abnormal tumor vasculature. Inflammation is also characterized by distinct vascular changes, including vasodilation and increased vascular permeability, which are induced by the actions of various inflammatory mediators. This process is essential for facilitating access for appropriate cells, cytokines, and other factors to tissue sites in need of healing or protection from infection. This application note investigates the use of three fluorescent imaging probes, to detect and monitor vascular leak and inflammation in preclinical mouse breast cancer models.

  • 应用文献

    Stem Cell Research and Regenerative Medicine

    With the potential to treat a wide range of disease, from organ damage to congenital defects, stem cell research and tissue engineering form the underlying basis of regenerative medicine. Significant advances in the science of skin regeneration, for example, have now made it possible to develop and grow artificial skin grafts in a lab for treatment of burn victims. Other therapeutic applications include the use of stem cells to treat and repair central nervous system diseases such as ischemia and cerebral palsy, cardiovascular diseases, as well as autoimmune diseases including type I diabetes.

  • 应用文献

    Multiplex 2D Imaging of NIR Molecular Imaging Agents on the IVIS SpectrumCT and FMT 4000

    Epifluorescence (2D) imaging of superficially implanted mouse tumor xenograft models offers a fast and simple method for assessing tumor progression or response to therapy. This approach for tumor assessment requires the use of near infrared (NIR) imaging agents specific for different aspects of tumor biology, and this Application Note highlights the ease and utility of multiplex NIR fluorescence imaging to characterize the complex biology within tumors growing in a living mouse.

  • 应用文献

    Phenotypic Analysis of Hypertrophy in Human iPSC-Derived Cardiomyocytes

    Learn how a phenotypic screening assay to study time-dependent effects of endothelin-1-induced hypertrophy was set up using human induced pluripotent stem cell (hiPSC)-derived cardiomyocytes. Learn how: The Opera Phenix system has been applied in the field of neurodegenerative diseases. In this assay, the Opera Phenix system is 4 times faster than the previous Opera? system. Primary neuron morphology is analyzed in a straightforward approach using Harmony software. Careful assay optimization can increase throughput, and minimize the data burden, without compromising assay performance.

  • 应用文献

    Imaging Hepatocellular Liver Injury using NIR-labeled Annexin V

    Drug induced liver injury (DILI) is a major reason for late stage termination of drug discovery research projects, highlighting the importance of early integration of liver safety assessment in the drug development process. A technical approach for in vivo toxicology determination was developed using Acetaminophen (APAP), a commonly used over-the-counter analgesic and antipyretic drug, to induce acute hepatocellular liver injury.

  • 应用文献

    Preclinical Fluorescence Imaging of Cancer Metastasis to the Lung and Response to Therapy

    Quantitative pre-clinical fluorescence imaging transcends the boundaries of traditional optical imaging of biological structures and physiology by providing information at the molecular level about disease states and therapeutic response. Fluorescent Pre-clinical Imaging Agents and FMT? (Fluorescence Molecular Tomography) Quantitative Pre-clinical Imaging Systems represent powerful tools for research and drug development in the imaging of biological processes and pharmaceutical activity in living animals.

  • 海报

    Molecular imaging of tumor energy metabolism as an early indicator of anti-cancer drug efficacy in small animal models

    Targeted cancer therapy aims to block key signaling pathways that are critical for tumor cell growth and survival. The blockage eventually results in cell death via apoptosis and tumor growth suppression. Encouraged by the success in clinical development, many academic and pharmaceutical researcher are in active pursuit of the improvement of next generation targeted anti-cancer drugs. As a result, many new chemical and biological entities are emerging from initial screening of in vitro, in vitro and/or in silico selection processes. From the perspective of drug development, it poses a great challenge on the next stage of in vivo validation and demands a robust, accurate, and efficient method for assessment of these candidates in living animal models.

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1-12 的 119 产品与服务

  • IVIS Lumina XRMS 2D Optical Imaging System with Integrated X-ray

    IVIS Lumina XRMS 小动物活体成像系统

    IVIS? Lumina XRMS III是PerkinElmer最新推出的二维多模式活体成像系统,具备最高灵敏度的生物发光、多光谱荧光、放射性同位素和X光活体成像功能。
  • IVIS Lumina HT High Throughput Benchtop 2D Optical Imaging System

    IVIS Lumina LT 小动物活体成像系统

    IVIS? Lumina LT是PerkinElmer最新推出的第三代高灵敏度小动物活体光学二维成像平台。
  • EnVision 2105 multimode plate reader

    EnVision 多模式读板仪

    EnVision 多模式读板仪在所有检测模式下都能提供最快的检测速?#21462;?#36229;高通量及最高的灵敏度,为您的高通量筛选提供可?#24247;?#20202;器及结果,以满足您日益加速的新实验需求。
  • EnSight Multimode Plate Reader

    EnSight 多模式读板仪

    EnSight? 多模式读板仪是一台整合了多标记、无标记和显微成像技术的桌面式一体化检测平台。其整孔成像&在线数据分析速度非常快,可以在五分钟内完成384?#35013;?#25972;板的图像获取及分析。该仪器采用预置模块化设计,结合基于Kaleido软件的数据采集?#22836;?#26512;流程,是一台真正的全能且高产的多模式读板仪。
  • 1000x1000_Opera_Phenix

    Opera Phenix 高内涵系统

    Opera Phenix?高内涵系统是目?#30333;?#21463;期待的高内涵共聚焦技术方案。?#35272;?#23558;近20年的顶尖高内涵产品opera高内涵成像系统积累的丰富成像和应用经验,新一代的opera phenix系统系统专为高内涵表型筛选以及复杂的疾病模型量身打造,例如活细胞、原代细胞,细胞微组织。
  • G8 PET/CT benchtop scanner for preclinical imaging research

    G8 PET/CT 成像系统集

    PerkinElmer 公司最新研发的 G8 PET/CT 二合一成像系统集?#38378;烁?#28789;敏度 PET 成像及快速、低剂量 microCT 成像,使研究者在进?#27844;?#33021;或代谢研究的同时,获取结构性图像数据。
  • 1000x1000_Operetta

    Operetta CLS 高内涵系统

    Operetta CLS? 系统帮助您探索常规实验与复杂创新实验中的生物学信息。通过一系列创?#24405;?#26415;的有机结合,Operetta CLS? 同时满足精细细胞?#38468;?#25104;像对高速、高灵敏?#21462;?#39640;分辨率检测多方面的需求。同时,凭借功能强大的Harmony 4.5版软件,Operetta CLS? 可帮助您发现并定量细微的细胞表型改变。
  • FMT In Vivo Imaging Instrument

    FMT 2000 In Vivo Imaging System

    The FMT 2000 is a workhorse 3D fluorescence tomographic system with the ability to quantitate up to two fluorophores simultaneously.
  • IVIS Spectrum In Vivo Imaging System

    IVIS Spectrum 小动物活体成像系统

    IVIS? Spectrum 小动物活体光学成像系统是全球首台同时具?#24178;?#29289;发光、荧光、化学发光及?#26032;卓品?#20108;维/三维成像功能的系统,代表了目前活体光学成像技术的最高水?#20581;?
  • IVIS SpectrumCT 2D/3D Optical/CT In Vivo Imaging System

    IVIS SpectrumCT 小动物活体成像系统

    IVIS? Spectrum CT是全球顶尖的小动物活体三维光学/CT二合一成像系统。
  • IVIS Lumina HT High Throughput Benchtop 2D Optical Imaging System

    IVIS Lumina III 小动物活体成像系统

    IVIS? Lumina III是PerkinElmer最新推出的第三代高灵敏度多光谱小动物活体光学二维成像平台。
  • FMT In Vivo Imaging Instrument

    FMT 4000 In Vivo Imaging System

    The FMT 4000 fluorescence tomography imaging system provides the greatest utility of the FMT Systems with the ability to quantitate up to four fluorophores simultaneously. It comes with four excitation laser channels (635, 680, 750, & 790 nm).
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