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Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...
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DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...

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Related Experiment Video

Updated: Jun 16, 2026

Intravital Microscopy of Monocyte Homing and Tumor-Related Angiogenesis in a Murine Model of Peripheral Arterial Disease
08:38

Intravital Microscopy of Monocyte Homing and Tumor-Related Angiogenesis in a Murine Model of Peripheral Arterial Disease

Published on: August 26, 2017

Slow scan SEC vidicon system.

H Y Chiu

    Applied Optics
    |February 20, 2010
    PubMed
    Summary
    This summary is machine-generated.

    A new slow scan SEC vidicon system was coupled with the McMath telescope. This astronomical instrument achieved a spectral resolution of 55 milliangstroms for enhanced astronomical observations.

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    Intravital Microscopy of Monocyte Homing and Tumor-Related Angiogenesis in a Murine Model of Peripheral Arterial Disease
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    Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo
    08:01

    Rapid Scan Electron Paramagnetic Resonance Opens New Avenues for Imaging Physiologically Important Parameters In Vivo

    Published on: September 26, 2016

    Area of Science:

    • Astronomy and Astrophysics
    • Observational Instrumentation

    Background:

    • The McMath telescope at Kitt Peak National Observatory is a key instrument for solar and stellar observations.
    • High-resolution spectroscopy is crucial for analyzing celestial object characteristics.

    Purpose of the Study:

    • To describe a novel slow scan SEC vidicon system designed for astronomical spectroscopy.
    • To detail the optical coupling of the vidicon system to the McMath telescope's spectrograph.

    Main Methods:

    • Integration of a slow scan SEC vidicon detector with the 152.4-cm McMath telescope.
    • Utilizing an anamorphic lens system for optical coupling between the spectrograph and the vidicon.
    • Characterization of the system's spectral resolution.

    Main Results:

    • The overall system achieved a spectral resolution of 55 milliangstroms (mÅ).
    • The spectrograph component alone demonstrated a resolution of 50 mÅ.

    Conclusions:

    • The developed slow scan SEC vidicon system provides high-resolution spectroscopic capabilities for astronomical research.
    • The system's performance is suitable for detailed analysis of spectral data from the McMath telescope.