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x ray diffractometer  (Rigaku Corporation)


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    Structured Review

    Rigaku Corporation x ray diffractometer
    Structural characterization of tea polysaccharides from four dark teas. (a) Molecular weight distribution determined by gel permeation chromatography (GPC); (b) Monosaccharide composition analysed by PMP-HPLC; (c) UV–visible absorption spectra; (d) Zeta potential; (e) Thermogravimetric analysis (TGA); (f) Derivative thermogravimetry (DTG); (g) Fourier transform infrared (FT-IR) spectra; <t>(h)</t> <t>X-ray</t> diffraction (XRD) patterns; (i) Scanning electron microscopy (SEM) images at 500× and 5000× magnifications. LTPS, LFTPS, HTPS, and HFTPS represent polysaccharides extracted from raw dark tea (Maocha), flowered dark tea, pile-fermented dark tea, and pile-fermented and flowered dark tea, respectively.
    X Ray Diffractometer, supplied by Rigaku Corporation, used in various techniques. Bioz Stars score: 99/100, based on 35240 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/diffractometer/Ultima+IV/pmc13563591-150-13-15
    Average 99 stars, based on 35240 article reviews
    x ray diffractometer - by Bioz Stars, 2026-10
    99/100 stars

    Images

    1) Product Images from "Pile-fermentation and golden-flower fermentation reshape tea polysaccharides in Tibetan dark tea: structural characteristics and lipid-modulating effects in Caenorhabditis elegans"

    Article Title: Pile-fermentation and golden-flower fermentation reshape tea polysaccharides in Tibetan dark tea: structural characteristics and lipid-modulating effects in Caenorhabditis elegans

    Journal: Food Chemistry: X

    doi: 10.1016/j.fochx.2026.104390

    Structural characterization of tea polysaccharides from four dark teas. (a) Molecular weight distribution determined by gel permeation chromatography (GPC); (b) Monosaccharide composition analysed by PMP-HPLC; (c) UV–visible absorption spectra; (d) Zeta potential; (e) Thermogravimetric analysis (TGA); (f) Derivative thermogravimetry (DTG); (g) Fourier transform infrared (FT-IR) spectra; (h) X-ray diffraction (XRD) patterns; (i) Scanning electron microscopy (SEM) images at 500× and 5000× magnifications. LTPS, LFTPS, HTPS, and HFTPS represent polysaccharides extracted from raw dark tea (Maocha), flowered dark tea, pile-fermented dark tea, and pile-fermented and flowered dark tea, respectively.
    Figure Legend Snippet: Structural characterization of tea polysaccharides from four dark teas. (a) Molecular weight distribution determined by gel permeation chromatography (GPC); (b) Monosaccharide composition analysed by PMP-HPLC; (c) UV–visible absorption spectra; (d) Zeta potential; (e) Thermogravimetric analysis (TGA); (f) Derivative thermogravimetry (DTG); (g) Fourier transform infrared (FT-IR) spectra; (h) X-ray diffraction (XRD) patterns; (i) Scanning electron microscopy (SEM) images at 500× and 5000× magnifications. LTPS, LFTPS, HTPS, and HFTPS represent polysaccharides extracted from raw dark tea (Maocha), flowered dark tea, pile-fermented dark tea, and pile-fermented and flowered dark tea, respectively.

    Techniques Used: Molecular Weight, GPC Assay, Zeta Potential Analyzer, Fourier Transform Infrared Spectroscopy, Electron Microscopy

    Related Articles

    X-ray Diffraction:

    Article Title: β‐Cyclodextrin Immobilized in Geophagic Clay Sheets for the Absorption of Dyes From Wastewater Using a Fixed‐Bed Method
    Article Snippet: The surface functional groups of functionalized clay and clay samples were examined using Fourier transform infrared (FTIR) spectroscopy with a PerkinElmer Frontier FTIR spectrometer (Frontier Optica, Massachusetts, USA) over the 4000‐ to 550‐cm −1 range. .. X‐ray diffraction (XRD) was conducted using a Rigaku Ultima IV X‐ray diffractometer for crystallinity analysis, and a Zeiss microscope was used to observe the sand particles. ..

    Article Title: Radix Rehmanniae polysaccharides enhanced hypoglycaemic effect of metformin by stimulating glucagon-like peptide-1 secretion via gut microbiota-SCFA-GPCR43 axis.
    Article Snippet: Radix Rehmanniae polysaccharides enhanced hypoglycaemic effect of metformin by stimulating glucagon-like peptide-1 secretion via gut microbiota-SCFA-GPCR43 axis

    Article Title: Intramolecular charge redistribution of phosphate anions enabling ultrahigh-voltage lithium metal battery of 600 Wh kg -1 .
    Article Snippet: .. In situ XRD was performed using a Rigaku Ultima IV (scan rate: 4° min−1, Cu Kα radiation, λ = 1.5406 Å) to investigate the correlation between the electrochemical performance and the crystal structure of the NCM811 cathode during cycling. ..

    Analysis:

    Article Title: β‐Cyclodextrin Immobilized in Geophagic Clay Sheets for the Absorption of Dyes From Wastewater Using a Fixed‐Bed Method
    Article Snippet: The surface functional groups of functionalized clay and clay samples were examined using Fourier transform infrared (FTIR) spectroscopy with a PerkinElmer Frontier FTIR spectrometer (Frontier Optica, Massachusetts, USA) over the 4000‐ to 550‐cm −1 range. .. X‐ray diffraction (XRD) was conducted using a Rigaku Ultima IV X‐ray diffractometer for crystallinity analysis, and a Zeiss microscope was used to observe the sand particles. ..

    Article Title: Radix Rehmanniae polysaccharides enhanced hypoglycaemic effect of metformin by stimulating glucagon-like peptide-1 secretion via gut microbiota-SCFA-GPCR43 axis.
    Article Snippet: Radix Rehmanniae polysaccharides enhanced hypoglycaemic effect of metformin by stimulating glucagon-like peptide-1 secretion via gut microbiota-SCFA-GPCR43 axis

    Microscopy:

    Article Title: β‐Cyclodextrin Immobilized in Geophagic Clay Sheets for the Absorption of Dyes From Wastewater Using a Fixed‐Bed Method
    Article Snippet: The surface functional groups of functionalized clay and clay samples were examined using Fourier transform infrared (FTIR) spectroscopy with a PerkinElmer Frontier FTIR spectrometer (Frontier Optica, Massachusetts, USA) over the 4000‐ to 550‐cm −1 range. .. X‐ray diffraction (XRD) was conducted using a Rigaku Ultima IV X‐ray diffractometer for crystallinity analysis, and a Zeiss microscope was used to observe the sand particles. ..

    Proximity Ligation Assay:

    Article Title: Poly(lactic acid)/ZIF-67 colorimetric headspace indicators for monitoring chicken breast freshness
    Article Snippet: .. The crystalline structures of ZIF-67 and the PLA-based composite films were characterized using an Ultima IV X-ray diffractometer (Rigaku, Tokyo, Japan) operated with Cu radiation at 40 kV and 30 mA. ..

    In Situ:

    Article Title: Intramolecular charge redistribution of phosphate anions enabling ultrahigh-voltage lithium metal battery of 600 Wh kg -1 .
    Article Snippet: .. In situ XRD was performed using a Rigaku Ultima IV (scan rate: 4° min−1, Cu Kα radiation, λ = 1.5406 Å) to investigate the correlation between the electrochemical performance and the crystal structure of the NCM811 cathode during cycling. ..



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    Image Search Results


    (a) X-ray diffraction (XRD) patterns and (b) Fourier-transform infrared (FT-IR) spectra of whole quinoa flour samples subjected to different dry-heat treatment (DHT) temperatures. Characteristic diffraction peaks at 2θ ≈ 15°, 17°, 18°, and 23° indicate a typical A-type crystalline structure and the major FT-IR absorption regions (amide I band at 1700–1600 cm −1 and carbohydrate backbone at 1060–960 cm −1 ). Control, untreated quinoa flour; 110, 130, and 150 denote quinoa flour treated at 110 °C, 130 °C, and 150 °C for 1 h, respectively.

    Journal: Food Chemistry: X

    Article Title: From raw material to functional food: Effect of dry-heat treatment on whole quinoa flour structure and dough rheology, with in vivo hypoglycemic validation at the optimal temperature

    doi: 10.1016/j.fochx.2026.104360

    Figure Lengend Snippet: (a) X-ray diffraction (XRD) patterns and (b) Fourier-transform infrared (FT-IR) spectra of whole quinoa flour samples subjected to different dry-heat treatment (DHT) temperatures. Characteristic diffraction peaks at 2θ ≈ 15°, 17°, 18°, and 23° indicate a typical A-type crystalline structure and the major FT-IR absorption regions (amide I band at 1700–1600 cm −1 and carbohydrate backbone at 1060–960 cm −1 ). Control, untreated quinoa flour; 110, 130, and 150 denote quinoa flour treated at 110 °C, 130 °C, and 150 °C for 1 h, respectively.

    Article Snippet: X-ray diffraction patterns were obtained using a Smartlab SE X-ray diffractometer (Rigaku, Japan) operated in step-scan mode.

    Techniques: Fourier Transform Infrared Spectroscopy, Control

    Structural characterization of tea polysaccharides from four dark teas. (a) Molecular weight distribution determined by gel permeation chromatography (GPC); (b) Monosaccharide composition analysed by PMP-HPLC; (c) UV–visible absorption spectra; (d) Zeta potential; (e) Thermogravimetric analysis (TGA); (f) Derivative thermogravimetry (DTG); (g) Fourier transform infrared (FT-IR) spectra; (h) X-ray diffraction (XRD) patterns; (i) Scanning electron microscopy (SEM) images at 500× and 5000× magnifications. LTPS, LFTPS, HTPS, and HFTPS represent polysaccharides extracted from raw dark tea (Maocha), flowered dark tea, pile-fermented dark tea, and pile-fermented and flowered dark tea, respectively.

    Journal: Food Chemistry: X

    Article Title: Pile-fermentation and golden-flower fermentation reshape tea polysaccharides in Tibetan dark tea: structural characteristics and lipid-modulating effects in Caenorhabditis elegans

    doi: 10.1016/j.fochx.2026.104390

    Figure Lengend Snippet: Structural characterization of tea polysaccharides from four dark teas. (a) Molecular weight distribution determined by gel permeation chromatography (GPC); (b) Monosaccharide composition analysed by PMP-HPLC; (c) UV–visible absorption spectra; (d) Zeta potential; (e) Thermogravimetric analysis (TGA); (f) Derivative thermogravimetry (DTG); (g) Fourier transform infrared (FT-IR) spectra; (h) X-ray diffraction (XRD) patterns; (i) Scanning electron microscopy (SEM) images at 500× and 5000× magnifications. LTPS, LFTPS, HTPS, and HFTPS represent polysaccharides extracted from raw dark tea (Maocha), flowered dark tea, pile-fermented dark tea, and pile-fermented and flowered dark tea, respectively.

    Article Snippet: Powder samples were evenly spread on the sample holder and analysed using an X-ray diffractometer (Rigaku Ultima IV) operated at 40 kV and 40 mA.

    Techniques: Molecular Weight, GPC Assay, Zeta Potential Analyzer, Fourier Transform Infrared Spectroscopy, Electron Microscopy