10 mg/ml β-chitin nanofibers from squid pens, SANS in H₂O

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  "project": {
    "title": "Tangled Up in Fibers: How a Multidomain Lytic Polysaccharide Monooxygenase Binds Its Chitin Substrate.",
    "publication": {
      "title": "Tangled Up in Fibers: How a Multidomain Lytic Polysaccharide Monooxygenase Binds Its Chitin Substrate.",
      "author_list": "Sørensen HV, Montserrat-Canals M, Coder A, Prévost S, Krueger S, Vaaje-Kolstad G, Bjerregaard-Andersen K, Lund R, Krengel U",
      "journal": "ACS Appl Mater Interfaces",
      "doi": "10.1021/acsami.5c24418",
      "pmid": "41709583",
      "published_date": "2026 Feb 18"
    },
    "status": "released",
    "submitted_date": "2024-11-19",
    "released_date": "2025-02-09"
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    "instrument": {
      "detector": {
        "type": "3-He gas detector",
        "name": "CERCA",
        "resolution": 7.5
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      "name": "ILL",
      "city": "Grenoble",
      "country": "France",
      "beamline_name": "D11",
      "beam_geometry": null,
      "type_of_source": "neutron source",
      "point_source": null,
      "line_collimation": null,
      "sample_path_length": null,
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      "line_collimation_integrationwidth": null,
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      "beam_profile_ah": null,
      "beam_profile_al": null
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    "sample": {
      "molecule": [
        {
          "long_name": "β-chitin nanofibers from squid pens",
          "short_name": "β-chitin",
          "sequence": "(C8H13O5N)n",
          "organism": "Squid",
          "uniprot_code": null,
          "uniprot_range_first": null,
          "uniprot_range_last": null,
          "oligomerization": null,
          "molecular_type": "other",
          "uniprot_sequence": "",
          "mw": 0.203,
          "total_mw": 0.0,
          "number_molecules": 0,
          "complex_state": false,
          "deuteration": null,
          "molecule_source": "biological",
          "molecule_description": "This is a carbohydrate polymer of varying size. Number of molecules and total kDa are not applicable."
        }
      ],
      "buffer": {
        "name": "20 mM acetic acid",
        "concentration_unit": null,
        "comment": null,
        "additive": null,
        "concentration": null,
        "pka": null,
        "ph": 3.2,
        "deuteration": null
      },
      "purity_method": null,
      "name": "10 mg/ml β-chitin nanofibers from squid pens, SANS in H₂O",
      "ext_coefficient": null,
      "contrast": null,
      "specific_vol": null,
      "dry_vol": null,
      "absorbption": null,
      "deuteration": null,
      "mixture": null
    },
    "contributor": [
      {
        "affiliation": [
          {
            "short_name": null,
            "address": null,
            "full_name": "Lund University",
            "webpage": null
          }
        ],
        "contributor_name": "Henrik Vinther",
        "contributor_surname": "Sørensen",
        "orcid": "https://orcid.org/0000-0003-3057-5668"
      }
    ],
    "concentration_method": null,
    "concentration_unit": null,
    "date": "2019-07-05",
    "storage_temperature": 5.0,
    "cell_temperature": 25.0,
    "exposure_time": 900.0,
    "number_of_frames": 1,
    "wavelength": 0.56,
    "sample_detector_distance": 1.7,
    "concentration_min": null,
    "concentration_max": 2.5,
    "sample_volume": null,
    "flow_rate": null,
    "s_min": 0.014,
    "s_max": 4.061,
    "total_exposure_time": null,
    "seccolumn": null
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  "fits": [],
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  "description": "Guinier analysis and subsequent Rg, I(0) and MW parameters are not applicable for this entry as the Guinier-region occurs at a much lower s-range than the data includes. The chitin fibers are micrometers long.",
  "experiment_description": "SANS data from solutions of β-chitin nanofibers from squid pens in 20 mM acetic acid, pH 3.2 were collected on the D11 beam line at the Institut Laue-Langevin (ILL; Grenoble, France). Data recorded as I(s) vs s (where s = 4πsinθ/λ, and 2θ is the scattering angle), were collected at a sample concentration of 10 mg/mL at 25 degrees centigrade using three instrument configurations: Set-up 1: Sample-Detector distance, 1.7 m; Collimation distance, 5.5 m; Wavelength, 0.56 nm; Frames, 1; Time per frame, 900 s. Set-up 2: Sample-Detector distance, 8.0 m; Collimation distance, 8.0 m; Wavelength, 0.56 nm; Frames, 1; Time per frame, 900 s. Set-up 3: Sample-Detector distance, 38.95 m; Collimation distance, 40.0 m; Wavelength, 0.56 nm; Frames, 1; Time per frame, 900 s.",
  "tags": [],
  "intensity_unit": "1/cm",
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  "experimental_mw_error": null,
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  "guinier_i0_mw_error": null,
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  "guinier_point_first": 1,
  "guinier_point_last": 30,
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  "pddf_point_last": null,
  "i0_calibration_standard_data": null,
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  "symmetry": null,
  "last_modified": "2026-02-23T16:32:53.166264+01:00",
  "bragg_peak": []
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