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141 results for “cellulose”
Data from: Nitrous oxide emissions during establishment of eight alternative cellulosic bioenergy cropping systems in the North Central United States
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Preparation and formation mechanism study of the long-term stable foamed sodium carboxymethyl cellulose loaded material
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Data from: Cryptic diversity of cellulose-degrading gut bacteria in industrialized humans
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A facile method to control the phase behavior of hydroxypropyl cellulose - data
<p>Raw data sets in a XLSX file, use for the prepration of 'A facile method to control the phase behavior of hydroxypropyl cellulose' articles.</p> <p>These include:</p> <ol> <li>FTIR of spectra hydroxypropyl cellulose carbamate;</li> <li><sup>13</sup>C NMR spectra hydroxypropyl cellulose carbamate;</li> <li><sup>1</sup>H NMR spectra hydroxypropyl cellulose carbamate;</li> <li>Data from the 'kinetics experiment' of the reaction between hydroxypropyl cellulose and N-Methyl Carbamoylimidazole</li> <li>Transmitace of 0.5% HPC3.4 carbamates solutions in respect to temeprature; 1C/min</li> <li>Viscosity of 10% HPC3.4 carbamates solutions in respect to temeprature; 1C/min</li> <li>Determined cloud points for 0.5% HPC carbamates solutions</li> <li>Surface tension of HPC carbamates solutions</li> </ol>
Role of hydroxypropyl cellulose and sodium dodecyl sulfate in curcumin amorphization obtained by vibrational ball milling
<p><strong>Figure S1</strong>. PXRD patterns of (A) ground curcumin (CUR) crystals; (B) ground mixtures (GMs) containing CUR and 10% hydroxypropyl cellulose (HPC); (C) GMs containing CUR and 25% HPC, and SDS; (D) GMs containing CUR and 50% HPC; (E) GMs containing CUR and 75% HPC; (F) GMs containing CUR and 90% HPC; (G) GMs containing CUR and sodium dodecyl sulfate (SDS), (H) GMs containing CUR, 10% HPC, and SDS; (I) GMs containing CUR, 25% HPC, and SDS; (J) GMs containing CUR, 50% HPC, and SDS; (K) GMs containing CUR, 75% HPC, and SDs; (L) GMs containing CUR, 90% HPC, and SDS</p> <p><strong>Figure S2.</strong> FTIR spectra of (A) ground curcumin (CUR) crystals; (B) ground mixtures (GMs) containing CUR and 10% hydroxypropyl cellulose (HPC); (C) GMs containing CUR and 25% HPC, and SDS; (D) GMs containing CUR and 50% HPC; (E) GMs containing CUR and 75% HPC; (F) GMs containing CUR and 90% HPC; (G) GMs containing CUR and sodium dodecyl sulfate (SDS), (H) GMs containing CUR, 10% HPC, and SDS; (I) GMs containing CUR, 25% HPC, and SDS; (J) GMs containing CUR, 50% HPC, and SDS; (K) GMs containing CUR, 75% HPC, and SDs; (L) GMs containing CUR, 90% HPC, and SDS</p> <p><strong>Figure S3.</strong> DSC curves of (A) ground curcumin (CUR) crystals; (B) ground mixtures (GMs) containing CUR and 10% hydroxypropyl cellulose (HPC); (C) GMs containing CUR and 25% HPC, and SDS; (D) GMs containing CUR and 50% HPC; (E) GMs containing CUR and 75% HPC; (F) GMs containing CUR and 90% HPC; (G) GMs containing CUR and sodium dodecyl sulfate (SDS), (H) GMs containing CUR, 10% HPC, and SDS; (I) GMs containing CUR, 25% HPC, and SDS; (J) GMs containing CUR, 50% HPC, and SDS; (K) GMs containing CUR, 75% HPC, and SDs; (L) GMs containing CUR, 90% HPC, and SDS</p> <p><strong>Figure S4.</strong> Dissolution profiles of (A) ground curcumin (CUR) crystals; (B) ground mixtures (GMs) containing CUR and 10% hydroxypropyl cellulose (HPC); (C) GMs containing CUR and 25% HPC, and SDS; (D) GMs containing CUR and 50% HPC; (E) GMs containing CUR and 75% HPC; (F) GMs containing CUR and 90% HPC; (G) GMs containing CUR and sodium dodecyl sulfate (SDS), (H) GMs containing CUR, 10% HPC, and SDS; (I) GMs containing CUR, 25% HPC, and SDS; (J) GMs containing CUR, 50% HPC, and SDS; (K) GMs containing CUR, 75% HPC, and SDs; (L) GMs containing CUR, 90% HPC, and SDS</p>
Cellulose nanocrystals/graphene oxide composite for the adsorption and removal of levofloxacin hydrochloride antibiotic from aqueous solution
<p><span><span><a name="_Hlk33498008">Residual antibiotics in water are often persistent organic pollutants. </a><a name="_Hlk32994933">The purpose of this study was </a>to prepare a <a name="_Hlk32132836">cellulose nanocrystals/graphene oxide composite</a> (CNCs-GO) with a three-dimensional structure for the removal of the antibiotic levofloxacin hydrochloride (Levo-HCl) in water by adsorption. The Scanning Electron Microscope (SEM), Fourier Transform Infrared (FT-IR), Energy dispersive spectroscopy (EDS), X-ray Photoelectron Spectroscopy (XPS) and other characterization methods were used to study the physical structure and chemical properties of the CNCs-GO. The three-dimensional structure of the composite material rendered a high <a name="_Hlk32994964">surface area and electrostatic </a>attraction, resulting in an increased adsorption capacity of the CNCs-GO for Levo-HCl. Based on the Box–Behnken design, the effects of different factors on the removal of Levo-HCl by the CNCs-GO were explored. The composite material exhibited good antibiotic adsorption capacity, with a removal percentage exceeding 80.1% at an optimal pH of 4, adsorbent dosage of 1.0 g L⁻<sup>1</sup>, initial pollutant concentration of 10.0 mg L⁻<sup>1</sup>, and contact time of 4 h. The adsorption isotherm was well fitted by the Sips model, and kinetics studies demonstrated that the adsorption process conformed to a quasi-second-order kinetics model. Consequently, the as-synthesized CNCs-GO demonstrate good potential for the effective removal of antibiotics such as levofloxacin hydrochloride from aqueous media.</span></span></p>
Data for project "Cellulose nitrate lacquer on silver objects", RAÄ-2021-3131
<p>Data from the project "Cellulose nitrate lacquer on silver objects" (RAÄ-2021-3131). Each zip file contains an Instrument report file which gives sample names and descriptions, instrument parameters, spectra figures and in some report interpretation notes. Data from the following analytical techniques is included: 1. Scanning electron microscopy with energy dispersive x-ray spectroscopy (SEM-EDS); 2. Polarized light microscopy (PLM); 3. Fourier transform infrared spectroscopy (FTIR).</p> <p>Data was collected as a continuation of (but after the publication of) the bachelor theses "A greener solution: Investigating the potential use of Green Solvents to remove cellulose nitrate lacquer from silver objects" by Evelina Borén (https://hdl.handle.net/2077/72648) and "The use of gels for the removal of cellulose nitrate lacquer on silver" by Katayon Miri (https://hdl.handle.net/2077/72650), both at the Department for Conservation, University of Gothenburg. <strong>The project is also part of a larger invesitgation about removing cellulose nitrate lacquer on silver objects, supported by European Union funded IPERION HS project (2020-INFRAIA-2019-1),.......</strong></p> <p>Instrument reports including technical specifications of each instrument can also be found under DOI 10.5281/zenodo.10869595 . </p>
Fig. 2 in Halococcoides cellulosivorans gen. nov., sp. nov., an extremely halophilic cellulose-utilizing haloarchaeon from hypersaline lakes
Fig. 2. Phylogeny of strain HArcel1T. (a) Maximum-likelihood 16S rRNA gene sequence-based phylogenetic tree showing the position of strain HArcel1T (in bold) within the order Halobacteriales. Branch lengths (see scale) correspond to the number of substitutions per site with corrections, associated with the model (GTR, G+I, four categories). All positions with less than 95 % site coverage were eliminated. In total, 1435 positions were used in the alignment of 119 sequences. Numbers at nodes indicate bootstrap values of 1000 repetitions, bootstrap values below 50 % are not shown. The genus Halomarina was used as an outgroup. (b) Maximum-likelihood rpoB′ gene sequence-based tree showing the position of strain HArcel1T (in bold) within the order Halobacteriales. All parameters were the same as in 16S rRNA gene-based phylogeny. In total, 1827 positions were used in the alignment of 81 sequences. The genus Halomarina was used as an outgroup. (c) Maximum-likelihood tree based on alignment of 17 ribosomal proteins showing the position of strain HArcel1T (in bold) within the order Halobacteriales. Branch lengths (see scale) correspond to the number of substitutions per site with corrections, associated with the model (LG, G+I, four categories). All positions with less than 95 % site coverage were eliminated. In total, 2938 positions were used in the alignment of 40 amino acid sequences. The genus Natronomonas was used as an outgroup.
Fig. 1 in Halococcoides cellulosivorans gen. nov., sp. nov., an extremely halophilic cellulose-utilizing haloarchaeon from hypersaline lakes
Fig. 1. Morphology of strain HArcel1T growing at 4 M total NaCl and 37 ǪC. (a) Colonies on amorphous cellulose plates forming large hydrolysis zones; (b) phase contrast microphotograph of cells grown with amorphous cellulose in liquid culture; (c) phase contrast microphotograph of cells forming biofilm on a cellulose fibre; (d) electron microscopy of thin sections of cells grown with amorphous cellulose. CW, cell wall; CM, cytoplasmic membrane; N, nucleoid.
Cellulose Synthase Tethering Attenuates Mechano-induced Microtubule Organization in pavement cells
<p>Mechanical forces control development in plants and animals, acting as cues in pattern formation and as the driving force of morphogenesis. In mammalian cells, molecular assemblies residing at the interface of the cell membrane and the extracellular matrix play an important role in perceiving and transmitting external mechanical signals to trigger physiological responses. Similar processes occur in plants, but there is little understanding of the molecular mechanisms and their genetic basis. Here, we show that number and movements directions of cellulose synthase complexes (CSCs) at the plasma membrane vary during initial stages of development in the cotyledon epidermis of Arabidopsis, closely mirroring the microtubule organization. Uncoupling microtubules and CSCs resulted in enhanced microtubule co-alignment as caused by mechanical stimuli driven either by cell shape or by tissue-scale physical perturbations. Furthermore, micromechanical perturbation resulted in depletion of CSCs from the plasma membrane suggesting a possible link between cellulose synthase removal from the plasma membrane and microtubule response to mechanical stimuli. Taken together, our results suggest that the interaction of cellulose synthase and cortical microtubules forms a physical continuum between the cell wall, plasma membrane, and the cytoskeleton that modulates the mechano-response of the cytoskeleton.</p>
Thermochemical tests (pyrolytic) of mix of PE and PP with PET. PVC and cellulosic materials
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(Data on) Regenerated cellulose-mineral composite films formed from dissolution in ionic liquid: comparing calcium carbonate and kaolinite particulate fillers
<p>This dataset covers outcomes of research performed by the authors at Aalto University during years 2023-2024. More indepth analysis of the results will be provided in a separate scientific publication.</p>
NMR data: Dynamic nuclear polarization solid-state NMR spectroscopy as a tool to rapidly determine degree of modification in dialcohol cellulose
<p>Solid-state NMR data underlying figures and tables in the article: <span>Dynamic nuclear polarization solid-state NMR spectroscopy as a tool to rapidly determine degree of modification in dialcohol cellulose</span></p>
High-pressure homogenized citrus fiber cellulose dispersions: structural characterization and flow behavior
<p>High-pressure homogenized citrus fiber cellulose dispersions: structural characterization and flow behavior</p>
Data Availability for "Function of four tryptophan residues on Cel7A catalytic efficiency: insight into cellulase screening strategy based on natural cellulose or cellulose analogs"
<p><strong>The data support for this article "Function of four tryptophan residues on Cel7A catalytic efficiency: insight into cellulase screening strategy based on natural cellulose or cellulose analogs"</strong></p>
All data support published article "Function of four tryptophan residues on Cel7A catalytic efficiency: insight into cellulase screening strategy based on natural cellulose or cellulose analogs"
<p>There is a high level of conservation of tryptophans within the active site architecture of the cellulase family, whereas the function of the four tryptophans in the catalytic domain of Cel7A is unclear. By mutating four tryptophan residues in the catalytic domain of Cel7A from <em>Penicillium piceum</em> (PpCel7A), the binding affinity between PpCel7A and <em>p-</em>nitrophenol-D-cellobioside (<em>p</em>NPC) was reduced as determined by Michaelis–Menten constants, molecular dynamics simulations, and fluorescence spectroscopy. Furthermore, PpCel7A variants showed a reduced level of cellobiohydrolase activity against cellulose analogs or natural cellulose. Therefore, it could be concluded four tryptophan residues in Cel7A played a critical role in substrate binding. Mutagenesis results indicated that the W390 stacking interactions at the -2 site played an essential role in facilitating substrate distortion to the -1 site. As soon as the function was altered, the mutation would inevitably affect the catalytic activity against the natural substrate. Interestingly, no clear relationship was found between the cellobiohydrolase activity of PpCel7A variants against <em>p</em>NPC and Avicel. <em>p</em>NP contains many electrophilic groups that may result in overestimation of the binding constant between tryptophan residues and <em>p</em>NPC in comparison to the natural substrate. Consequently, screening improved cellulase using cellulose analogs would divert attention from the target direction for lignocellulose biorefinery. Clarifying mechanism of catalytic diversity on the natural cellulose or cellulose analogs may give better insight into cellulase screening and selecting strategy.</p>
Deacidificazione di materiale a base cellulosica - Deacidification of cellulosic-based material
<p>The video shows the <br> - demonstrator 3: printing ink <br> - demonstrator 4: ferro-gallic ink <br> - demonstrator 5: synthetic ink <br> This is the output of the project "DELIAS - Sviluppo e Applicazioni di Materiali e Processi lnnovativi per la Diagnostica e il Restauro di Beni Culturali" carried out by partner CSGI Consorzio per lo Sviluppo dei Sistemi a Grande Interfase</p>
Cellulose synthase-like D movement in the plasma membrane requires enzymatic activity
<p>Cellulose Synthase-Like D (CSLD) proteins, important for tip growth and cell division, are known to generate β-1,4-glucan. However, whether they are propelled in the membrane as the glucan chains they produce assemble into microfibrils is unknown. To address this, we endogenously tagged all eight CSLDs in <em>Physcomitrium patens</em> and discovered that they all localize to the apex of tip-growing cells and to the cell plate during cytokinesis. Actin is required to target CSLD to cell tips concomitant with cell expansion, but not to cell plates, which depend on actin and CSLD for structural support. Like Cellulose Synthase (CESA), CSLD requires catalytic activity to move in the plasma membrane. We discovered that CSLD moves significantly faster, with shorter duration and less linear trajectories than CESA. In contrast to CESA, CSLD movement was insensitive to the cellulose synthesis inhibitor isoxaben, suggesting that CSLD and CESA function within different complexes possibly producing structurally distinct cellulose microfibrils.</p>
Cellulose Sulfate and HIV Transmission Among Women
ClinicalTrials.gov study NCT00153777. IPD Sharing: Not stated. Countries: 4. Publications: 10.
Cellulose Triacetate Dialyzer in Hemodiafiltration-online
ClinicalTrials.gov study NCT03105817. IPD Sharing: NO. Countries: 1. Publications: 5.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.