63 results for: "proteins" Filters Application Note Tech Tips | In search of low molecular weight proteins Learn how to improve your Western blot for low molecular weight proteins. Application Note Working with green fluorescent proteins: Tools and properties Overview about the three most commonly used classes of green fluorescent proteins Research Area How fluorescent proteins can be applied in SARS-CoV-2 research GFP or RFP and their derivatives are commonly used for virus research Coronavirus (COVID-19) products Proteins for SARS-COV-2 / COVID-19 Protocol Protocol for studying extracellular and intracellular proteins Discover our protocols for extracellular and intracellular labeling for flow cytometry. Research Area The Complexity of Proteins How do proteins have so much functional diversity based upon only 20 building blocks? Featured Products NSPs (Non-Structural Proteins) Understanding the role of non-structural proteins (NSPs) and their implication in long-term severe repercussions of SARS-CoV-2 infection Research Area Why Human Cell Expressed Proteins Are Superior for Clinical Applications Learn about the advantages of using human cell expressed recombinant proteins in your clinical applications. Application Note Detecting low abundance proteins via Western Blot Detecting low abundance proteins can be a challenge - here's how to optimize your Western Blot. Application Note Affinity purification, depletion, and immunoprecipitation of GST-tagged proteins Publications using ChromoTek's GST-Trap in various applications Research Area How to choose your recombinant proteins, cytokines & growth-factors Considerations when choosing recombinant proteins for your research applications. Application Note Immunoprecipitation of Myc-tagged proteins – How it works ChromoTek Myc-Trap® is an optimized tool for immunoprecipitation (IP/Co-IP) Application Note How to immunoprecipitate Flag®-tagged proteins Flag®-tag (or DYKDDDDK-tag) is a commonly used short peptide tag for multiple applications such as immunoprecipitation (IP), protein purification, immunofluorescence, and Western blotting (WB). Application Note Tips and tricks for immunoprecipitation of low abundant proteins For a successful IP, the abundance or expression level of the POI is crucial. If a POI is strongly expressed and highly abundant, then the IP will most likely be straightforward, with no difficulties. Company News ISO 13485 certification announcement - GMP compliant proteins Proteintech announces ISO 13485 Certification for Its HumanKine® Human Cell-expressed Cytokines and Growth Factors Protocol How To Optimize Your Results With Low MW Proteins Tips to improve your detection of low molecular weight proteins. Protocol Tricine Gel Recipe For Low Molecular Weight Proteins Tricine SDS-PAGE gel recipe for western blot, for target proteins less than 20 kDa. Application Note Myc-Trap for both immunoprecipitation and affinity purification of Myc-tagged proteins The Alpaca antibody advantage for pull-down of Myc-tagged proteins Events Cancer Research Hub Explore our hub of cancer research resources, pathways, downloads and more. Events ASCB Thank you for visiting Proteintech from the ASCB Virtual Conference 2020! Featured Products Coronavirus (COVID-19) products Coronavirus (COVID-19) research, products and information Products Cancer Explore our hub of cancer research resources, webinars and virtual events. Application Note mNeonGreen vs GFP mNeonGreen: A green fluorescent protein that is not a GFP variant Featured Products Activin A Recombinant human protein Activin A: An Alpha in the TGF Beta Family Featured Products Cerebral Organoids HumanKine® Growth Factors are the perfect tool for your cerebral organoid research Featured Products GFP-Trap for immunoprecipitation Coronavirus (COVID-19) products ELISA Kits for SARS-COV-2 / COVID-19 Sensitive indirect and sandwich ELISA kits for detecting immunoglobulins against SARS-CoV-2 proteins Coronavirus (COVID-19) products Patient-derived anti-SARS-CoV-2 recombinant antibodies Patient-derived anti-SARS-CoV-2 human recombinant antibodies Featured Products Ion Homeostasis Ion Homeostasis: markers and related antibodies Autophagy and Cell Death Autophagy Featured Products Organelle Markers A comprehensive portfolio of sub-cellular and organelle marker antibodies. Featured Products Cell Cycle and Checkpoint Controls The role of cell cycle checkpoint proteins is to integrate internal and external factors to determine whether the cell is prepared for progression of the cell cycle. Protocol IP Preparation Immunoprecipitation tips including binding proteins and beads and tips on choosing the right primary antibody for IP. Featured Products Autophagy: LC3 & GABARAP Antibodies Both LC3 & GABARAP Are Essential for Autophagosome Formation Featured Products mRNA Processing RNA processing is important for the post-transcriptional regulation of gene expression. Featured Products HSA: Human serum albumin Human serum albumin’s (HSA) importance in biology and biotech Featured Products PGP9.5 Antibody Proteintech's UCHL1/PGP9.5 antibody Protocol Immunohistochemistry Overview An overview of the immunohistochemistry workflow. Company News Proteintech Group to Acquire Manufacturer of Human Cell-Expressed Proteins, HumanZyme Humankine product line added to Proteintech catalog. Application Note Chromatin Immunoprecipitation (ChIP) with RFP-tagged or mCherry-tagged proteins RFP-Trap for ChIP analysis in order to detect enrichment of mCherry-tagged proteins at DNA binding sites Application Note International Unit-based Specific Activity Determination for HumanKine® Products Recombinant protein biological activity can be quantified by international units (IU) based on comparisons to a centralized set of standards Research Area What do you get when you buy a GMP-grade product? GMP Manufacturing, benefits, and ISO certifications explained Research Area How to culture mouse primary cerebral microvascular endothelial cells Learn to how to isolate and culture these integral cells types for blood brain barrier research. Application Note Do you purify a special protein? Why Spot-Tag can be used to purify any protein Featured Products New anti-mNeonGreen antibody & Nano-Trap for Immunofluorescence & Immunoprecipitation Novel tools for the analysis of mNeonGreen fusion proteins Application Note Chromobodies for live cell imaging A Chromobody is a small intracellular functional antibody. It consists of a VHH/Nanobody that is genetically fused to a fluorescent protein. Application Note GFP-Trap for immunoprecipitation (IP) – stringent washing The high stability of the GFP-Trap® enables its use in virtually any lysis and wash buffer. Application Note Tips for detecting phosphoproteins by western blot Tips and tricks to optimize your western blot for phosphoprotein detection Research Area A Guide to Staining Organelles Identifying subcellular structures is key for mapping the localization of target proteins. This blog features key markers to identify organelles by immunofluorescence. Application Note How to overcome the limitations of antibody-based affinity resins for protein purification Spot-Cap for highly effective one-step protein purification Application Note The best anti-GFP antibody for immunoprecipitation: GFP-Trap Comparison of GFP-Trap and anti-GFP IgG antibody Application Note GFP and RFP-Booster for better immunofluorescence imaging ChromoTek's GFP Nanobodies and RFP Nanobodies conjugated to fluorescent dyes Application Note GFP-Booster: GFP Nanobody for better images in immunofluorescence Higher resolution and better tissue penetration Application note Imaging the Rainbow: Multiplexing with Same-Species Antibodies for Immunofluorescence Improve your IF multiplexing with these expert tips from our guest blogger, Derek Sung (IG: @Immunofluoresence) Research Area How to solve the genome DNA damage DNA damage repair mechanisms: in the prevention of age-related diseases and tumorigenesis Application Note What GFP-Trap should I use for my immunoprecipitation? GFP-Trap Agarose, GFP-Trap Magnetic Agarose,GFP-Trap Magnetic Particles M-270, GFP-Trap 96 Multiwell Plate Research Area GFP- Nanobodies and RFP- Nanobodies conjugated to quantum dots A small GFP- specific label with a very strong fluorescent signal Application Note 5 Tips for better immunoprecipitation (IP) Application Note Fluorescent protein tags Types of fluorescent protein tags and comparisons Application Note Spot Capture and Detection Peptide Tag and Nanobody The Spot Nanobody for multiple capture & detection applications of Spot-tagged proteins Application Note TurboGFP: Properties, Sequence, MW, origin Everything you need to know about TurboGFP: properties and applications Application Note Flag-tag and 3x Flag-tag Overview about specifications, properties, origin, sequence, size, specifications, etc. of Flag-tag Application Note On-bead digestion protocol: From immunoprecipitation with nanobodies to MS analysis Follow the on-bead digestion protocol for effective mass spectrometry analysis of (co-) precipitated proteins