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Technical Information Magazine 201904-02 Cellulose Nanofiber Structural Analysis

Technical Information Magazine 201904-02 Cellulose Nanofiber Structural Analysis

The technical information magazine The TRC News provides the latest information on analytical techniques that are useful for research and development, solving production troubles, and quality control.

**Abstract** In the research and development of CNF, the use of electron microscopy for observation has become a necessary evaluation across almost all material fields and research phases. Particularly for observing CNF dispersed in polymers using TEM, it is essential to employ the technique of "electron staining," which has been crucial for preparing TEM samples of polymer materials. In this presentation, we will introduce examples of morphological observations of composite materials using CNF, as well as observation cases of the CNF itself, structural analysis examples such as crystallinity measured by 13C solid-state NMR, and examples of compositional sugar analysis using acid hydrolysis HPLC-fluorescence detection. **Table of Contents** 1. Introduction 2. Overview of Morphological Observation 3. Observation Cases of CNF and CNF/Polymer 4. Evaluation of CNF Crystallinity 5. Compositional Sugar Analysis of CNF (HPLC-Fluorescence Detection) 6. Conclusion

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Refinement technology: separation refinement and structural analysis

Refinement technology: separation refinement and structural analysis

We also support the HPLC separation of optical active substances using chiral columns!

At the Nard Research Institute, we have been advancing the acquisition of manufacturing technologies and the expansion of separation and purification techniques and equipment in cutting-edge fields such as pharmaceuticals, electronic materials, automotive materials, and bio-related materials. Utilizing all the technologies and equipment we have cultivated so far, we not only support HPLC separation using silica gel, ODS, and GPC columns but also HPLC separation of optically active compounds using chiral columns. Additionally, we possess a mass-triggered HPLC separation device, allowing for the separation of trace components identified by mass spectrometry. The samples obtained through separation undergo structural analysis using analytical instruments such as NMR, LC/MS, GC/MS, and MALDI-TOF/MS, ultimately leading to the synthesis of estimated compounds and the identification and structural determination of unknown substances. 【Features】 ■ Supports HPLC separation of optically active compounds using chiral columns ■ Capable of separating trace components identified by mass spectrometry ■ Ultimately combines separated samples with the synthesis of estimated compounds for the identification and structural determination of unknown substances *For more details, please refer to the related link page or feel free to contact us.

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Structural analysis of oligosaccharides using 3D NMR.

Structural analysis of oligosaccharides using 3D NMR.

It is possible to analyze the structure of complex organic compounds with overlapping peaks.

In the structural analysis of organic compounds using NMR, two-dimensional NMR is generally used in addition to one-dimensional NMR (1H-NMR and 13C-NMR) to confirm the correlations between peaks in one-dimensional NMR, allowing for the assignment of peaks and determination of the compound's structure. However, in compounds such as sugars that contain many similar structures, peaks can overlap even in two-dimensional NMR, making analysis difficult. In such cases, three-dimensional NMR is effective. This document presents examples of applying three-dimensional NMR using oligosaccharides as model compounds.

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Structural analysis using NMR (nuclear magnetic resonance) spectroscopy.

Structural analysis using NMR (nuclear magnetic resonance) spectroscopy.

Measurement of the light solvent as is.

NMR is typically performed using the resonance signals of deuterium (2H or D) nuclei in deuterated solvents for reasons such as ensuring the stability of the magnetic field. However, by using the resonance signals of proton (1H) nuclei, measurements can also be conducted with light solvents (i.e., regular solvents) (No-D measurement method). The effective measurements for the No-D method are as follows: - Measurements to evaluate interactions with light solvents (e.g., degradation studies in light solvents) - Measurements of samples that cannot use deuterated solvents (e.g., samples in the biochemical field such as proteins) - Measurements of samples containing volatile components - Measurements of samples for which no dissolvable deuterated solvents are available.

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Panasonic ReRAM 8-bit microcontroller structural analysis

Panasonic ReRAM 8-bit microcontroller structural analysis

Panasonic ReRAM-equipped MN101LR05D 8-bit microcontroller

The MN101LR05D is a low-power 8-bit single-chip microcontroller developed for portable healthcare, security devices, and sensor processing. The MN101LR05D features a CPU core with a 10MHz 8-bit AM13L, 64KB of ReRAM capacity, and 4KB of SRAM capacity. The MR101LR05D is the world's first mass-produced practical example of ReRAM (Resistive RAM), and it is expected to be widely utilized as a successor technology to existing non-volatile memory. The MN101LR05D is manufactured using a 180nm CMOS process with four layers of AI metallization. The ReRAM cell of this metal oxide is formed between stack W vias connecting metal 3 to metal 4. The results of the report are based on data from scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray analysis (TEM-EDS), electron energy loss spectroscopy (TEM-EEKS), and spreading resistance measurement (SRP).

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[Analysis Case] Extraction, Chemical Decomposition, and Structural Analysis of Lignin

[Analysis Case] Extraction, Chemical Decomposition, and Structural Analysis of Lignin

Various analyses targeting the wood biomass component "lignin" are possible.

Lignin is an aromatic polymer component that accounts for about 30% of wood biomass, and attention is being drawn to its potential as an alternative to petrochemical raw materials and its use in engineering plastics. This document presents a comprehensive evaluation of lignin, starting from extraction from wood to chemical structure analysis. Measurement methods: NMR, LC/MS, GC/MS Product fields: Environment, Biotechnology, Polymer Materials Analysis purposes: Composition evaluation, identification, chemical bonding state evaluation, structural evaluation For more details, please download the document or contact us.

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