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pfa pbs  (Thermo Fisher)


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    Structured Review

    Thermo Fisher pfa pbs
    Pfa Pbs, supplied by Thermo Fisher, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/pfa+pbs/Paraformaldehyde+Solution%2C+4%25+in+PBS/bio_rxiv__64898__2026__06__14__732116-294-13-14
    Average 99 stars, based on 1 article reviews
    pfa pbs - by Bioz Stars, 2026-09
    99/100 stars

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    Related Articles

    Expressing:

    Article Title: Stromal Prostaglandin is a Dominant Spatial Regulator of Cell-fate Plasticity in Colorectal Cancer
    Article Snippet: Once enough cells acquired, CAFs were harvested and washed in FACS buffer (PBS supplemented with 1 mmol/L EDTA + (Sigma, 03690), 25 mmol/L HEPES, and 1% FBS) before sorting for GFP expression through a BD FACSAria III. .. Cas9 expression was then assessed by harvesting and fixing the CAFs in 4% PFA/PBS (Thermo J19943K2) on ice for 15 min before permeabilising the cells in 0.1% (v/v) Triton X-100/PBS (Sigma T8787). ..

    Clinical Proteomics:

    Article Title: Implantation of human mesenchymal stromal cell (MSC)-pellet for therapeutic angiogenesis
    Article Snippet: .. Plasma was obtained by centrifuging whole blood at 2000 g at 4°C for 15 min. Histological analysis After euthanizing the mouse, tissues and organs were harvested, fixed with 2% PFA-PBS on ice for 15 min, treated with 30% sucrose (Thermo Fisher)-PBS at 4°C for 16 hours, and embedded in tissue embedding molds (Polysciences, Inc) with Tissue-Tek® O.C.T. (Sakura) or in-house porcine skin gelatin (7.5% w/v, Sigma)-sucrose (15% w/v, Thermo Fisher)-PBS compound. .. Osseous tissues (periodontium, spine and femur) were decalcified in 0.5 M EDTA solution (Invitrogen) at 4°C for 9 days prior to the embedding.

    Staining:

    Article Title: Atomistic TCR-ligand interactions instruct memory T-cell differentiation
    Article Snippet: R8 cells were maintained in R10 (RPMI-1640 (Gibco), 10% FBS, 100 IU Penicillin and 100 μg/mL Streptomycin, and 55 μM 2-mercaptoethanol). .. For intracellular staining, cells were fixed with 4% PFA/PBS and permeabilized using permeabilization buffer following the manufacturer’s protocol (Invitrogen). ..

    Article Title: Targeted CRISPR screens reveal genes essential for Cryptosporidium survival in the host intestine
    Article Snippet: .. At 24 h post-infection, cell monolayers were washed with 1X PBS, fixed with 4% PFA/PBS (Alfa Aesar) for 15 min, permeabilised with 0.25% Triton X-100 (Sigma) for 10 min and blocked with 4% BSA/PBS (Merck) overnight at 4 o C. Parasites were stained with 1:4000 Vicia villosa lectin (VVL) and host nuclei were stained with 1:10,000 Hoechst 33342 (Invitrogen) in 1% BSA/PBS for 1 h at RT. .. Cell monolayers were washed and visualised on the BioTek Cytation5 (Agilent Technologies).

    Article Title: Supporting Information Discovery of Orally Active Hydroxyethylamine Based SPPL2a Inhibitors
    Article Snippet: For all stable cell lines, cells were seeded at 3000 cells/30 μl/384well in DMEM / GlutaMaxTM-I (Invitrogen) supplemented with tetracycline-free 10% FBS (Amimed) and incubated at 37 °C, 5% S34 CO2 for 3-4 h. Subsequently, 3.3 μL of inhibitors, pre-diluted in doxycycline-containing medium for 11-point concentration response curves, were added to each well using a CyBi well liquid handling device (Cybio AG, Jena, Germany) to result in final inhibitor concentrations ranging from 100 μM to 1 nM (final DMSO concentration 0.9% (v/v)) and 5 μg/mL doxycycline). .. The cells were incubated with inhibitor at 37 °C, 5% CO2 for 24 h. Thereafter cell were fixed in 4% PFA/PBS and in parallel, nuclei were stained with Hoechst (Invitrogen) 1:5000 in PBS for 30 min. .. The plates were imaged using a Cellomics ArrayScan VTI HCS Reader with 10x/0.3NA objective (Thermo Fisher Scientific, USA).

    Negative Staining:

    Article Title: Tethered Exosomes Containing the Matrix Metalloproteinase MT1‐MMP Contribute to Extracellular Matrix Degradation
    Article Snippet: .. For sEV negative staining, EV samples were spotted on formvar/carbon‐coated copper/palladium grids for 20 min and fixed with 2% PFA/PBS for 20 min. Grids were washed five times with water and negative staining was performed using uranyl acetate 0.4% in methylcellulose for 10 min. A FEI Tecnai transmission electron microscope at an operating voltage of 80 kV was used to visualize samples, mounted with a Gatan US1000 CCD camera (2K × 2K; 4 MegaPixel). ..

    Transmission Assay:

    Article Title: Tethered Exosomes Containing the Matrix Metalloproteinase MT1‐MMP Contribute to Extracellular Matrix Degradation
    Article Snippet: .. For sEV negative staining, EV samples were spotted on formvar/carbon‐coated copper/palladium grids for 20 min and fixed with 2% PFA/PBS for 20 min. Grids were washed five times with water and negative staining was performed using uranyl acetate 0.4% in methylcellulose for 10 min. A FEI Tecnai transmission electron microscope at an operating voltage of 80 kV was used to visualize samples, mounted with a Gatan US1000 CCD camera (2K × 2K; 4 MegaPixel). ..

    Microscopy:

    Article Title: Tethered Exosomes Containing the Matrix Metalloproteinase MT1‐MMP Contribute to Extracellular Matrix Degradation
    Article Snippet: .. For sEV negative staining, EV samples were spotted on formvar/carbon‐coated copper/palladium grids for 20 min and fixed with 2% PFA/PBS for 20 min. Grids were washed five times with water and negative staining was performed using uranyl acetate 0.4% in methylcellulose for 10 min. A FEI Tecnai transmission electron microscope at an operating voltage of 80 kV was used to visualize samples, mounted with a Gatan US1000 CCD camera (2K × 2K; 4 MegaPixel). ..

    Incubation:

    Article Title: RSRC2 is a novel RNA-binding protein that safeguards mitotic fidelity by interacting with the lncRNA C1QTNF1-AS1.
    Article Snippet: .. Methanol fixation: slides were fixed in 99.9% ice-cold methanol (Acros Organics, 167830025) and incubated at −20 ◦C for 10 min. PFA fixation: slides were fixed in 4% PFA + PBS (28 908, Thermo Scientific) and incubated at RT for 15 min. PTEM-F fixation: slides were fixed in PTEM-F buffer (20 mM PIPES, 0.2% Triton X-100, 10 mM EGTA, 1 mM MgCl 2 , and 4% PFA) at RT for 15 min. ..

    Article Title: Supporting Information Discovery of Orally Active Hydroxyethylamine Based SPPL2a Inhibitors
    Article Snippet: For all stable cell lines, cells were seeded at 3000 cells/30 μl/384well in DMEM / GlutaMaxTM-I (Invitrogen) supplemented with tetracycline-free 10% FBS (Amimed) and incubated at 37 °C, 5% S34 CO2 for 3-4 h. Subsequently, 3.3 μL of inhibitors, pre-diluted in doxycycline-containing medium for 11-point concentration response curves, were added to each well using a CyBi well liquid handling device (Cybio AG, Jena, Germany) to result in final inhibitor concentrations ranging from 100 μM to 1 nM (final DMSO concentration 0.9% (v/v)) and 5 μg/mL doxycycline). .. The cells were incubated with inhibitor at 37 °C, 5% CO2 for 24 h. Thereafter cell were fixed in 4% PFA/PBS and in parallel, nuclei were stained with Hoechst (Invitrogen) 1:5000 in PBS for 30 min. .. The plates were imaged using a Cellomics ArrayScan VTI HCS Reader with 10x/0.3NA objective (Thermo Fisher Scientific, USA).



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