Cmos 4k camera

Manufactured by TVIPS

Sourced in Germany

The CMOS 4k camera is a high-resolution imaging device that captures images and videos at a resolution of 4096 x 2160 pixels. It utilizes a Complementary Metal-Oxide-Semiconductor (CMOS) sensor technology to convert light into digital signals. The camera is capable of recording video at 4k resolution with high image quality and dynamic range.

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Lab products found in correlation

Live cell imaging solution, by Thermo Fisher Scientific (3 mentions) Jem 2100plus instrument, by JEOL (1 mentions) Glow discharged holey carbon coated grid, by Quantifoil (1 mentions) Cm200 feg electron microscope, by Philips (1 mentions) Glow discharged carbon coated 400 mesh copper grid, by Electron Microscopy Sciences (1 mentions) Tecnai t12 spirit microscope, by Thermo Fisher Scientific (1 mentions) Eagle 4k ccd camera, by Thermo Fisher Scientific (1 mentions) Carbon coated 400 mesh copper grids, by Electron Microscopy Sciences (1 mentions) Tecnai t20, by Thermo Fisher Scientific (1 mentions) Tecnai g2 spirit electron microscope, by Thermo Fisher Scientific (1 mentions)

5 protocols using cmos 4k camera

Transmission Electron Microscopy of Dispersed Particles

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Transmission electron microscopy (TEM) was carried out using a JEM-2100Plus instrument from JEOL operating at an accelerating voltage of 200 kV. The images were taken with a 4K CMOS camera from TVIPS. The TEM is equipped with a LaB₆ cathode and high-resolution pole piece to achieve a point resolution in the TEM mode of 0.23 nm. The sample preparation was performed by grinding the sample in a mortar and pestle in ethanol and the dispersed particles were supported on a TEM lacey carbon grid.

Zaheer M.A., Poppitz D., Feyzullayeva K., Wenzel M., Matysik J., Ljupkovic R., Zarubica A., Karavaev A.A., Pöppl A., Gläser R, & Dvoyashkin M. (2019). Synthesis of highly active ETS-10-based titanosilicate for heterogeneously catalyzed transesterification of triglycerides. Beilstein Journal of Nanotechnology, 10, 2039-2061.

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Cryo-EM Imaging of Bacteria

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4 μl of bacteria resuspended in a PBS 2% glutaraldehyde solution were adsorbed onto glow-discharged holey carbon-coated grid (quantifoil, Germany) plunge-frozen into liquid ethane at −178 °C using a Leica EM GP machine (Leica Microsystems, Austria). Frozen grids were transferred onto a Philips CM200-FEG electron microscope using a Gatan 626 cryo-holder. Electron micrographs were recorded at an accelerating voltage of 200 kV and a nominal magnification of 50,000x, using a low-dose system (10 e-/Å²) and keeping the sample at −175 °C. Defocus values were −3 μm. Micrographs were recorded at 4 K × 4 K CMOS camera (TVIPS, Germany).

Renzi F., Ittig S.J., Sadovskaya I., Hess E., Lauber F., Dol M., Shin H., Mally M., Fiechter C., Sauder U., Chami M, & Cornelis G.R. (2016). Evidence for a LOS and a capsular polysaccharide in Capnocytophaga canimorsus. Scientific Reports, 6, 38914.

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Structural Characterization of Immune Complexes

Cited 1 time

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Immune complexes were prepared by incubating Fab with HA (A/California/04/2009 with E376K or E376G stabilizing mutations) at greater than 3:1 molar ratio for 2 h at room temperature. Samples were deposited at approximately 10 μg ml⁻¹ on glow-discharged, carbon-coated 400 mesh copper grids (Electron Microscopy Sciences) and stained with 2% w/v uranyl formate. Samples were imaged at ×52,000 magnification, 120 kV, on a Tecnai Spirit T12 microscope equipped with an Eagle CCD 4k camera (FEI) or ×62,000 magnification, 200 kV, on a Tecnai T20 microscope equipped with a CMOS 4k camera (TVIPS). Micrographs were collected with Leginon, single particles were processed with Appion, Relion and XQuartz, and footprints were mapped with UCSF Chimera, and figures were made with UCSF Chimera^{60 (link)–63 (link)}.

Guthmiller J.J., Han J., Utset H.A., Li L., Lan L.Y., Henry C., Stamper C.T., McMahon M., O’Dell G., Fernández-Quintero M.L., Freyn A.W., Amanat F., Stovicek O., Gentles L., Richey S.T., de la Peña A.T., Rosado V., Dugan H.L., Zheng N.Y., Tepora M.E., Bitar D.J., Changrob S., Strohmeier S., Huang M., García-Sastre A., Liedl K.R., Bloom J.D., Nachbagauer R., Palese P., Krammer F., Coughlan L., Ward A.B, & Wilson P.C. (2021). Broadly neutralizing antibodies target a haemagglutinin anchor epitope. Nature, 602(7896), 314-320.

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Cryo-EM Imaging of Antibody-Antigen Complexes

Cited 1 time

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MAbs in molar excess were complexed with S2 for 30 min at RT. Immune complexes were diluted to ∼20 μg/mL and deposited on glow-discharged, carbon-coated 400 mesh copper grids (Electron Microscopy Sciences). Sample was blotted from the grid with filter paper followed by two successive additions of 2% w/v uranyl formate stain with blotting. Grids were imaged on a Tecnai T20 (FEI) electron microscope with a CMOS 4k camera (TVIPS) at 200 kV, 62,000× nominal magnification, and 1.77 Å/pixel. Micrographs were collected using Leginon, particles were picked using Difference of Gaussians picker, and particles were cleaned through successive rounds of reference-free 2D classification in Relion 3.0^{79 (link)–82 (link)}. Particles were also processed in CryoSPARC2 and reconstructed using Ab Initio^{83 (link)}. Figures were made in UCSF Chimera and Adobe Photoshop^{84 (link)}.

Claireaux M., Caniels T.G., de Gast M., Han J., Guerra D., Kerster G., van Schaik B.D., Jongejan A., Schriek A.I., Grobben M., Brouwer P.J., van der Straten K., Aldon Y., Capella-Pujol J., Snitselaar J.L., Olijhoek W., Aartse A., Brinkkemper M., Bontjer I., Burger J.A., Poniman M., Bijl T.P., Torres J.L., Copps J., Martin I.C., de Taeye S.W., de Bree G.J., Ward A.B., Sliepen K., van Kampen A.H., Moerland P.D., Sanders R.W, & van Gils M.J. (2022). A public antibody class recognizes an S2 epitope exposed on open conformations of SARS-CoV-2 spike. Nature Communications, 13, 4539.

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Transmission Electron Microscopy of Extracellular Vesicles

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Samples of isolated EVs were pre‐diluted in Live Cell Imaging Solution (Thermo Fisher Scientific) and transferred to copper grids which were previously glow, discharged for 45 s and incubated for 1 min, followed by careful blotting. Uranyl formate solution (2% in 20 mM KOH) was delivered initially for 5 s, then discarded and used again for a 30‐s‐incubation. The staining solution was blotted and fully dried on air. Imaging was performed by using a Tecnai G2 Spirit electron microscope (FEI Company) operated at 120 kV and images were acquired by a CMOS 4k camera (TVIPS GmbH).

Vogt S., Bobbili M.R., Stadlmayr G., Stadlbauer K., Kjems J., Rüker F., Grillari J, & Wozniak‐Knopp G. (2021). An engineered CD81‐based combinatorial library for selecting recombinant binders to cell surface proteins: Laminin binding CD81 enhances cellular uptake of extracellular vesicles. Journal of Extracellular Vesicles, 10(11), e12139.

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