Massive One Beamline
Massive One Beamline - Related Videos
09:00
A Sample Preparation Pipeline for Microcrystals at the VMXm Beamline
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Cited by 10 •
2021
The signal-to-noise ratio of data is one of the most important considerations in performing X-ray diffraction measurements from microcrystals. The VMXm beamline provides a low-noise environment and microbeam for such experiments. Here, we describe sample preparation methods for mounting and cooling microcrystals for VMXm and other microfocus macromolecular crystallography beamlines.
11:03
Massively Parallel Reporter Assays in Cultured Mammalian Cells
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Cited by 63 •
2014
The genetic reporter assay is a well-established and powerful tool for dissecting the relationship between DNA sequences and their gene regulatory activities. Coupling candidate regulatory elements to reporter genes that carry identifying sequence tags enables massive parallelization of these assays.
11:02
Detecting Somatic Genetic Alterations in Tumor Specimens by Exon Capture and Massively Parallel Sequencing
0 Views •
Cited by 64 •
2013
We describe the preparation of barcoded DNA libraries and subsequent hybridization-based exon capture for detection of key cancer-associated mutations in clinical tumor specimens by massively parallel "next generation" sequencing. Targeted exon sequencing offers the benefits of high throughput, low cost, and deep sequence coverage, thus yielding high sensitivity for detecting low frequency mutations.
04:38
Inducing Massive Pontine Hemorrhage in a Rat Model by Autologous Blood Injection
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2025
Source: Tang, X. et. al., Massive Pontine Hemorrhage by Dual Injection of Autologous Blood. J. Vis. Exp. (2021)This protocol describes the controlled infusion of autologous blood into the pontine region of a rat's brain to model massive pontine hemorrhage. The purpose is to simulate a localized brain bleed by increasing localized pressure.
07:22
Arthroscopic Management of Massive Irreparable Rotator Cuff Tears: Whole Rotator Cable Reconstruction Using Proximal Biceps Tendon Autograft
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Cited by 1 •
2025
Massive irreparable rotator cuff tears (MIRCTs) pose significant clinical challenges due to their complex pathology and limited treatment options. This study introduces whole rotator cable reconstruction (WRCR) using proximal biceps tendon autograft as a novel surgical technique for MIRCTs.
FAQs
At Massive One, the key measurement is the pattern produced when focused X-rays interact with a macromolecular sample. The resulting diffraction or scattering signal reflects how material is organized within the sample, rather than directly displaying a protein structure. Interpreting those patterns computationally allows investigators to connect the measured signal with molecular organization and obtain structural or biophysical information.
Diffraction and scattering patterns act as experimental records of molecular organization. Their features can be processed to extract structural information, while the same measurements may also provide biophysical data about the sample. Because the patterns are not self-interpreting images, computational analysis is required to transform the recorded X-ray response into results relevant to protein and macromolecule research.
Intense, focused radiation directs the measurement onto the positioned macromolecular sample and generates a signal suitable for downstream analysis. The beamline therefore records X-ray interactions rather than observing a molecule directly. This distinction matters in biochemistry because structural and behavioral conclusions depend on interpreting the resulting diffraction or scattering data computationally.
A typical workflow begins with a purified protein or other macromolecular sample positioned in the X-ray beam. The beam interacts with the sample and produces a diffraction or scattering pattern. Computational analysis then processes that pattern to obtain structural and biophysical information, creating a measurement pathway from prepared sample to interpretable biochemical data.
The station can support protein characterization, ligand-binding studies, and enzyme research. In these applications, investigators use the structural or biophysical information extracted from X-ray-generated patterns to examine a macromolecule or study questions about its interactions and behavior. The approach can also inform experiments designed to relate molecular structure to biochemical function.
Massive One contributes to structure-function research by providing data that connect molecular organization with biomolecular behavior. Structural information can help characterize proteins, while biophysical results can support studies of ligand interactions or enzyme-related questions. These outcomes guide the design of experiments intended to understand how a molecule’s structure relates to its biochemical function.