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338 results for “pretreatment”
Raw and analyzed data for manuscript: "An open-source surface barrier discharge plasma pretreatment for reduced cracking of outdoor wood coatings"
<p><strong>Highlights:</strong></p> <ul> <li>Surface barrier discharges are an affordable and available plasma technology for industrial, laboratory and home-workshop applications.</li> <li>Plasma pretreatments had no impact on the appearance of different protective wood coating for outdoor usage.</li> <li>The weathering performance of outdoor wood coatings improved by plasma, showing less cracks and less biotic factors.</li> </ul>
Raw and analyzed data to manuscript "Influence of air plasma pretreatments on mechanical properties in metal-reinforced laminated wood"
<p><strong>Abstract</strong><br> The use of wood-based materials in building and construction is constantly increasing as environmental aspects and sustainability gain importance. For structural applications, however, there are many examples where hybrid material systems are needed to fulfil the specific mechanical requirements of the individual application. In particular, metal reinforcements are a common solution to enhance the mechanical properties of a wooden structural element. Metal-reinforced wood components further help to reduce cross-sectional sizes of load-bearing structures, improve the attachment of masonry or other materials, enhance the seismic safety and tremor dissipation capacity, as well as the durability of the structural elements in highly humid environments and under high permanent mechanical load. A critical factor to achieve these benefits, however, is the mechanical joint between the different material classes, namely the wood and metal parts. Currently, this joint is formed using epoxy or polyurethane (PU) adhesives, the former yielding highest mechanical strengths, whereas the latter presents a compromise between mechanical and economical constraints. Regarding sustainability and economic viability, the utilization of different adhesive systems would be preferable, whereas mechanical stabilities yielded for metal-wood joints do not permit for the use of other common adhesive systems in such structural applications.<br> This study extends previous research on the use of non-thermal air plasma pretreatments for the formation of wood-metal joints. The plasma treatments of Norway spruce (Picea abies (L.) Karst.) wood and anodized (E6/EV1) aluminum AlMgSi0.5 (6060) F22 were optimized, using water contact angle measurements to determine the effect and homogeneity of plasma treatments. The adhesive bond strengths of plasma-pretreated and untreated specimens were tested with commercial 2-component epoxy, PU, melamine-urea formaldehyde (MUF), polyvinyl acetate (PVAc), and construction adhesive glue systems. The influence of plasma treatments on the mechanical performance of the compounds was evaluated for one selected glue system via bending strength tests. The impact of the hybrid interface between metal and wood was isolated for the tests by using five-layer laminates from three wood lamellae enclosing two aluminum plates, thereby excluding the influence of congeneric wood-wood bonds. The effect of the plasma treatments is discussed based on the chemical and physical modifications of the substrates and the respective interaction mechanisms with the glue systems. </p>
Study of pig manure digestate pretreatment - Results and Figures
<p>This work evaluates the release of phosphorus contained in the digestate from the anaerobic digestion of pig manure, through an acidification process. The objective of this acidification is to increase the amount of phosphorus available in the digestate liquid fraction and, subsequently, recover this element by chemical precipitation in the form of struvite or calcium phosphate. Two digestate samples (one fresh and one old) were studied and treated by adding various amounts of sulphuric acid to the different digestate fractions (raw digestate, solid fraction and liquid fraction). For the raw digestate, phosphorus releases higher than 95% were obtained for pH 4.0. In the last part of the experiment, the influence of acid pre-treatment on the reaction yield of phosphorus precipitation, in the form of struvite or calcium phosphate, was determined. Improvements in reaction yield were obtained up to 15% for struvite and 80% for calcium phosphate, increasing also in 7.5 times the amount of phosphorus available in the digestate liquid fraction, for both cases.</p>
Figure 2 in Effect of untreated and pretreated sugarcane molasses on growth performance of Haematococcus pluvialis microalgae in inorganic fertilizer and macrophyte extract culture media
Figure 2. Cell density and growth rate of Haematococcus pluvialis in two different culture media NPK and ME, in mixotrophic cultivation untreated (UN) and pretreated (PR) sugarcane molasses. Error bars express standard mean deviations.
Figure 3 in Effect of untreated and pretreated sugarcane molasses on growth performance of Haematococcus pluvialis microalgae in inorganic fertilizer and macrophyte extract culture media
Figure 3. Protein (P), lipids (L), carbon (C) and nitrogen (N) (% biomass dry weight) of Haematococcus pluvialis growth in two different culture media (NPK and ME) in mixotrophic cultivation untreated (UN) and pretreated (PR) sugarcane molasses.
Pretreatment Neutrophil-to-Lymphocyte Ratio, Mutational Load, and Outcomes in Patients Treated with Immune Checkpoint Inhibitors
<p>This dataset has been used to analyze the association between pre-treatment neutrophil-to-lymphocyte ratio and tumour mutational burden with survival and response to treatment in immunotherapy-treated patients with cancer. The dataset contains clinical and genomic data for 2,037 patients with 18 cancer types.</p>
Influence of variable conditions of microwave-assisted hydrotropic pretreatment on the composition of biomass and its susceptibility to enzymatic hydrolysis.
<p>The results of the first stage of research concerning the influence of variable process conditions of microwave-assisted hydrotropic pretreatment with the use of NaCS on the composition of biomass of various origins, the level of extractivity and susceptibility to hydrolysis. The work was supported by the National Science Centre, Poland, grant No. 2020/37/B/NZ9/00372.</p>
Physical pretreatment of three biowastes to improve black soldier fly larvae bioconversion efficiency-data
<p>Publication with data set and codes included </p>
Results of the analysis of the structure of biomass after microwave-assisted hydrotropic pretreatment.
<p>Results of analyzes of the structure of lignocellulosic biomass of various origins. The analyzes include the use of FTIR, SEM, XRD and NMR techniques. The work was supported by the National Science Centre, Poland, grant No. 2020/37/B/NZ9/00372.</p>
Dataset from "Electrochemical water softening as pretreatment for nitrate electro bioremediation"
<p>The dataset contains the raw data of the figures and tables reported in the open access publication “Ceballos-Escalera, A., Pous, N., Balaguer, M.D., Puig, S., 2022. Electrochemical water softening as pretreatment for nitrate electro bioremediation. Sci. Total Environ. 806, 150433. <a href="https://doi.org/10.1016/J.SCITOTENV.2021.150433">https://doi.org/10.1016/J.SCITOTENV.2021.150433</a> ”</p>
Data for: Assessment of cryogenic pretreatment for simulating environmental weathering in the formation of surrogate micro- and nanoplastics from agricultural mulch film
<p>Microplastics (MPs) and nanoplastics (NPs) from mulch films and other plastic materials employed in vegetable and small fruit production pose a major threat to agricultural ecosystems. For conducting controlled studies on MPs' and NPs' (MNPs') ecotoxicity to soil organisms and plants and fate and transport in soil, surrogate MNPs are<br>required that mimic MNPs that form in agricultural fields. We have developed a procedure to prepare MPs from plastic films or pellets using mechanical milling and sieving, and conversion of the resultant MPs into NPs through wet grinding, both steps of which mimic the degradation and fragmentation of plastics in nature. The major goal of this study was to determine if cryogenic exposure of two biodegradable mulch films effectively mimics the embrittlement caused by environmental weathering in terms of the dimensional, thermal, chemical, and biodegradability properties of the formed MNPs. We found differences in size, surface charge, thermal and chemical properties, and biodegradability in soil between MNPs' prepared from cryogenically treated vs. environmentally weathered films, related to the photochemical reactions occurring in the environment that were not mimicked by cryogenic treatment, such as depolymerization and cross-link formation. We also investigated the size reduction process for NPs and found that the size distribution was bimodal, with populations centered at 50 nm and 150–300 nm, and as the size reduction process progressed, the former subpopulation's proportion increased. The biodegradability of MPs in soil was greater than for NPs, a counter-intuitive trend since greater surface area exposure for NPs would increase biodegradability. The result is associated with differences in surface and chemical properties and to minor components that are readily leached out during the formation of NPs. In summary, the use of weathered plastics as feedstock would likely produce MNPs that are more realistic than cryogenically-treated unweathered films for use in experimental studies.</p>
Reacquisition of Radioactive Iodine (RAI) Uptake of RAI-Refractory Metastatic Thyroid Cancers by Pretreatment With the Selective MEK Inhibitor AZD6244
ClinicalTrials.gov study NCT00970359. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Split Dose Golytely With Amitiza Pretreatment Versus Split Dose Golytely Plus Placebo in Outpatient Colonoscopy
ClinicalTrials.gov study NCT00611442. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Improving Reproductive Fitness Through Pretreatment With Lifestyle Modification in Obese Women With Unexplained Infertility
ClinicalTrials.gov study NCT02432209. IPD Sharing: YES. Countries: 1. Publications: 2.
Autologous Tumor Infiltrating Lymphocytes in Patients With Pretreated Metastatic Triple Negative Breast Cancer
ClinicalTrials.gov study NCT04111510. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Study to Evaluate Safety and Preliminary Efficacy of Tafasitamab With Idelalisib or Venetoclax in R/R CLL/SLL Patients Pretreated With BTKi
ClinicalTrials.gov study NCT02639910. IPD Sharing: NO. Countries: 6. Publications: 1.
BBI608 and Best Supportive Care vs Placebo and Best Supportive Care in Pretreated Advanced Colorectal Carcinoma
ClinicalTrials.gov study NCT01830621. IPD Sharing: NO. Countries: 3. Publications: 1.
ALEctinib for the Treatment of Pretreated RET-rearranged Advanced Non-small Cell Lung Cancer
ClinicalTrials.gov study NCT03445000. IPD Sharing: UNDECIDED. Countries: 6. Publications: 5.
A Trial Comparing Split-Dose Miralax With Amitiza Pretreatment Versus Dulcolax Pretreatment Versus Golytely for Bowel Cleansing Prior to Colonoscopy
ClinicalTrials.gov study NCT00953017. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Ifinatamab Deruxtecan (I-DXd) in Subjects With Pretreated Extensive-Stage Small Cell Lung Cancer (ES-SCLC)
ClinicalTrials.gov study NCT05280470. IPD Sharing: YES. Countries: 8. Publications: 1.
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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.