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The study objective is to propose a hybrid fault diagnosis method for a laboratory-scale sequential batch reactor (SBR) wastewater treatment process based on time-varying covariance and variable-wise unfolded MPCA method (MPCA-V), which can detect the fault batch, determine the fault time simultaneously, and further identify the fault source. To establish and validate the MPCA-V model, 50 normal batches and 55 batches including 7 fault batches were employed separately. Furthermore, the classical MPCA (MPCA-B) model was introduced for comparison. For the three detected fault batches, with the MPCA-V model, not only the fault occurring time and fault source were located and identified by the contribution degree calculation of each variable to the T2 and SPE statistics simultaneously but also the fault detection rate was averaged as 90%, which was much higher than that of MPCA-B (67%). Introducing time dependency and correlation in a laboratory-scale SBR process gives the work practical significance and breakthrough.
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Means (M) and standard deviations (SD) of distress outcome variables at baseline (T1), post-treatment (T2) and six month follow-up (T3) and differences between groups at the end of treatment (T2) and at six month follow-up (T3).
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defective SPErmatogenesis 42 Involved in single fertilization. Predicted to be located in membrane. Is expressed in sperm. Orthologous to human DCST2 (DC-STAMP domain containing 2). spe-42 encodes a novel sperm-specific seven-pass transmembrane protein with many metazoan homologs; SPE-42 has two functional domains, the DC-STAMP (dendritic cell-specific transmembrane protein) which is known to play a role in cell-cell fusion and the C4C4-type RING finger; the presumed Drosophila spe-42 orthologous gene, sneaky, is involved in sperm plasma membrane breakdown after sperm entry; spe-42 sperm exhibit normal morphology, migration and contact with oocytes but are fertilization-defective suggesting that spe-42 is required for sperm-egg interaction and thus for fertility; spe-42 is expressed only in male germ cells.
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Means (M) and standard deviations (SD) of work-related (AVEM) outcome-criteria at baseline (T1), post-treatment (T2) and six month follow-up (T3) and differences between groups at the end of treatment (T2) and at six month follow-up (T3).
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The global solid phase extraction (SPE) plates market is experiencing robust growth, driven by increasing demand across various applications, particularly in bioanalysis and clinical research. The market, estimated at $250 million in 2025, is projected to exhibit a Compound Annual Growth Rate (CAGR) of 7% from 2025 to 2033. This growth is fueled by several key factors. The rising prevalence of chronic diseases necessitates advanced analytical techniques for drug discovery and development, leading to increased adoption of SPE plates for sample preparation. Furthermore, the growing focus on high-throughput screening in pharmaceutical and biotechnology industries is contributing significantly to market expansion. Technological advancements in SPE plate materials and designs, offering improved efficiency and reproducibility, are further bolstering market growth. The 1 mL and 2 mL SPE plate formats dominate the market, catering to different sample volumes and throughput requirements. Major players such as Thermo Fisher Scientific, MACHEREY-NAGEL, Agilent, Waters, and CDS Analytical LLC are actively shaping the market landscape through product innovation and strategic partnerships. Geographic expansion, particularly in emerging economies like China and India, further fuels this growth. However, the market faces certain challenges. High initial investment costs associated with acquiring advanced SPE plate systems and the need for skilled personnel to operate them can hinder adoption, especially among smaller laboratories. Regulatory constraints related to sample preparation and data integrity in various sectors also present potential hurdles. Despite these constraints, the long-term growth prospects for the SPE plates market remain positive, driven by the continuous advancements in life sciences research and pharmaceutical development, creating a sustained need for efficient and reliable sample preparation technologies. The increasing demand for accurate and reliable analytical results will continue to drive adoption of SPE plates, ensuring sustained market expansion in the coming years.
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ObjectivesEvaluating response to epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) is crucial in non-small cell lung cancer (NSCLC) patients with brain metastases (BM). To explore values of multi-sequence MRI in early assessing response to EGFR-TKIs in non-small cell lung cancer (NSCLC) patients with BM.ApproachA primary cohort of 133 patients (January 2018 to March 2024) from center one and an external cohort of 52 patients (May 2017 to December 2022) from center two were established. Radiomics features were extracted from 4 mm brain-tumor interface (BTI) and whole BM region across T1-weighted contrast enhanced (T1CE) and T2-weighted (T2W) and T2 fluid-attenuated inversion recovery (T2-FLAIR) MRI sequences. The most relevant features were selected using the U test and least absolute shrinkage and selection operator (LASSO) method to develop the multi-sequence models based on BTI (RS-BTI-COM) and BM (RS-BM-COM). By integrating RS-BTI-COM with peritumoral edema volume (VPE), the combined model was built using logistic regression. Model performance was evaluated using the area under the ROC curve (AUC), sensitivity (SEN), specificity (SPE) and accuracy (ACC).Main ResultsThe constructed RS-BTI-COM demonstrated a higher association with early response to EGFR-TKI therapy than RS-BM-COM. The combined RS-BTIplusVPE, incorporating BTI-based radiomics features and VPE, exhibited the highest AUCs (0.843–0.938), SPE (0.808–0.905) and ACC (0.712–0.875) in the training, internal validation, and external validation cohort, respectively.SignificanceThe study developed a validated non-invasive model (RS-BTIplusVPE) based on integrating BTI-based radiomics features and VPE, which showed improved prediction of EGFR-TKI response in NSCLC patients with BM compared to tumor-focused models.
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## Overview
OD is a dataset for object detection tasks - it contains Tango annotations for 3,192 images.
## Getting Started
You can download this dataset for use within your own projects, or fork it into a workspace on Roboflow to create your own model.
## License
This dataset is available under the [CC BY 4.0 license](https://creativecommons.org/licenses/CC BY 4.0).
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Metabolites of U. prolifera which met the following criteria: potential biomarker according OPLS-DA, well-modeled by SPE and with Hotelling’s T2 value > 100.
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Attribution-NonCommercial 4.0 (CC BY-NC 4.0)https://creativecommons.org/licenses/by-nc/4.0/
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The study objective is to propose a hybrid fault diagnosis method for a laboratory-scale sequential batch reactor (SBR) wastewater treatment process based on time-varying covariance and variable-wise unfolded MPCA method (MPCA-V), which can detect the fault batch, determine the fault time simultaneously, and further identify the fault source. To establish and validate the MPCA-V model, 50 normal batches and 55 batches including 7 fault batches were employed separately. Furthermore, the classical MPCA (MPCA-B) model was introduced for comparison. For the three detected fault batches, with the MPCA-V model, not only the fault occurring time and fault source were located and identified by the contribution degree calculation of each variable to the T2 and SPE statistics simultaneously but also the fault detection rate was averaged as 90%, which was much higher than that of MPCA-B (67%). Introducing time dependency and correlation in a laboratory-scale SBR process gives the work practical significance and breakthrough.