A method and system for direct quantification of the concentration of biomolecules in algal biomass. The biomolecules include lipids, proteins, and carbohydrates. An algae slurry is cultivated within a cultivation vessel, and algal biomass is harvested therefrom. A portion of biomass is analyzed using solvent-lipid analysis to extract lipids and nuclear magnetic resonance spectroscopy is used to quantify the biomolecular concentration of the biomass.

A system, method and computer program product for detecting indicators for structural changes of NMR active test molecules in a test sample, or indicators for structural changes of the environment of said test molecules in relation to a reference molecule. Initial local similarity values are obtained, using a similarity function and representing a local similarity between a reference spectrum and a test spectrum within corresponding similarity regions (SRR, SRT). The initial local similarity values represent a similarity map (SM1) in which contours of a first shape type are indicators (I1) for structural changes of the test molecule, and in which contours of a second shape type are indicators (I2) for structural changes of the environment of said test molecule in relation to the reference molecule.

Various embodiments for system and methods for cyber-enabled structure elucidation are disclosed.

A film for a light emitting device which is useful for producing a light emitting device having excellent luminance life is described. The film contains a cross-linked body of a crosslinkable material having a crosslinking group in an amount of 0.015 mmol/g to 0.05 mmol/g. A light emitting device containing the film is also described. A method for analyzing a crosslinking group in a film for a light emitting device involves: (1) a step of swelling the above-described film for a light emitting device with a solvent, and (2) a step of measuring a crosslinking group of the swollen film for a light emitting device using nuclear magnetic resonance spectroscopy.

This invention relates to a method of determining ligands of macromolecules, said method comprising or consisting of (a) subjecting a sample comprising (i) complexes formed by said macromolecules and said ligands and (ii) unbound ligands to a method which separates said complexes from said unbound ligands; (b) releasing ligands from complexes obtained in step (a); and (c) subjecting the released ligands obtained in step (b) to a chemical analysis method, thereby determining said ligands of said macromolecules.

In an embodiment, a composition including a chiral solvating agent to resolve nuclear magnetic resonance signals of an enantiomer of at least one analyte, where the chiral solvating agent facilitates in the at least one analyte binding to a C.sub.2 face or a C.sub.3 face of the chiral solvating agent, and where the chiral solvating agent causes an upfield shift or a downfield shift in at least one nuclear magnetic resonance signals corresponding to a .sup.1H, .sup.19F{.sup.1H}, or .sup.31P{.sup.1H} signal, and where the chiral solvating agent includes a cobalt cation. In another embodiment, a method that includes mixing a chiral solvating agent, including a cobalt cation, with at least one analyte to form a solution, obtaining nuclear magnetic resonance spectra of the solution, and identifying an enantiomer of the at least one analyte. In some embodiments, the method further includes determining enantiomeric purities of the at least one analyte.

In a general aspect, a magnetic resonance system includes a primary magnet system configured to generate a principal magnetic field in a sample region. The magnetic resonance system also includes a field source device. The field source device includes a substrate and first and second conductor layers on the substrate. The first conductor layer includes a constriction configured to generate a radio frequency magnetic field in the sample region. The second conductor layer is vertically centered above the first conductor layer, and includes gradient coils configured to generate first, second, and third magnetic field gradients along respective first, second and third mutually-orthogonal spatial dimensions in the sample region.

The present invention discloses a method for constructing and optimizing a molecular structure model of lignite, comprising: collecting and processing a lignite sample, analyzing a lignite experimental sample, calculating the number of carbon atoms in lignite and the number of carbon atoms in other parameters, obtaining the sizes of aromatic clusters, and determining the composition features and number of aromatic structural units in lignite; calculating the total number of carbon atoms and the number of aliphatic carbon atoms in lignite; obtaining the categories and number of oxygen-containing functional groups in lignite based on the contents of aromatic hydrocarbon, aliphatic hydrocarbon and various oxygen-containing functional groups, and designing the structural forms of nitrogen and sulfur; constructing a molecular structure model of lignite.

The present disclosure provides for a method of designing a radiofrequency or broadband pulse sequence. The method can comprise a qubit (e.g., nuclear spin, photon, electron, atomic spin, dot spin) and a harmonic oscillator wherein a flip angle is controlled by steering a spring between specific states.

An electron diffraction apparatus measures an overall structure of a crystal of a specimen by electron diffraction. An NMR apparatus measures a local structure of the crystal by NMR measurement. An analysis apparatus combines the overall structure and the local structure to specify a structure of the crystal.