57 research outputs found
Cybersecurity Awareness Shrewsbury Public Schools
In the 21st Century, technology reaches every aspect of our lives. As “digital citizens” we must be aware of the dangers both to our technological equipment and our personal information stored, transmitted, and processed on this equipment. The Cybersecurity Awareness curriculum developed for the Shrewsbury Public School district is designed to meet this need, as well as foster an interest in technology and ethical computer use
Segment Everything Everywhere All at Once
Despite the growing demand for interactive AI systems, there have been few
comprehensive studies on human-AI interaction in visual understanding e.g.
segmentation. Inspired by the development of prompt-based universal interfaces
for LLMs, this paper presents SEEM, a promptable, interactive model for
Segmenting Everything Everywhere all at once in an image. SEEM has four
desiderata: i) Versatility: by introducing a versatile prompting engine for
different types of prompts, including points, boxes, scribbles, masks, texts,
and referred regions of another image; ii) Compositionality: by learning a
joint visual-semantic space for visual and textual prompts to compose queries
on the fly for inference as shown in Fig 1; iii)Interactivity: by incorporating
learnable memory prompts to retain dialog history information via mask-guided
cross-attention; and iv) Semantic-awareness: by using a text encoder to encode
text queries and mask labels for open-vocabulary segmentation
THE ANTIBACTERIAL EFFECT OF URENA LOBATA L. FROMV GUANGXI ON MICE WITH STAPHYLOCOCCUS AUREUS PNEUMONIA
Background: Alcohol extract from the root of Urena lobata L. (ULL) had broad spectrum antimicrobial activity.
Studies in vitro have sho that ULL aqueous extract has antibacterial effect on S. aureusis, and the combination therapy
of the ULL aqueous extract with cefazolin sodium showed additive effect.
Materials and Methods: The mice underwent nasal inhalation with S. aureus, a subset of mice were intra-gastric
gavage with ULL and/or intravenous injection cefazolin sodium twice daily. After being exposed to S. aureus for 5
days, 10 days and 14 days respectively, the white blood cells count (WBC), neutrophils absolute value (NEU) and the
neutrophil percentage (NEU%) in peripheral blood, as well as the levels of serum immunoglobulin (Ig) G and IgM
were determined using commercial kits. The colony count of S. aureus, the levels of interleukin (IL) -6 and IL-10 of
mice lung tissue were detected, and the pathological changes of lung tissue were examined using H & E staining.
Results: ULL significantly protected against S. aureus pneumonia, as evidenced by the remarkable decrease in the
rate of S. aureus colony count/lung weight, WBC, NEU and NEU% in peripheral blood, as well as the attenuation of
lung histopathological damage. Additionally, ULL+cefazolin could have markedly reduced the rate of S. aureus
colony count/lung weight when compared with cefazolin. Furthermore, ULL and ULL+cefazolin both could
significantly decrease the serum levels of IgG and IgM, and the levels of IL-6, IL-10 in mice lung tissue.
Conclusion: This study first demonstrated that ULL may have potential use as a therapeutic agent for S. aureus
pneumonia, and the roles of IgG, IgM, IL-6 and IL-10 in ULL protection against S. aureus pneumonia remain to be
further studied
LLaVA-Grounding: Grounded Visual Chat with Large Multimodal Models
With the recent significant advancements in large multi-modal models (LMMs),
the importance of their grounding capability in visual chat is increasingly
recognized. Despite recent efforts to enable LMMs to support grounding, their
capabilities for grounding and chat are usually separate, and their chat
performance drops dramatically when asked to ground. The problem is the lack of
a dataset for grounded visual chat (GVC). Existing grounding datasets only
contain short captions. To address this issue, we have created GVC data that
allows for the combination of grounding and chat capabilities. To better
evaluate the GVC capabilities, we have introduced a benchmark called
Grounding-Bench. Additionally, we have proposed a model design that can support
GVC and various types of visual prompts by connecting segmentation models with
language models. Experimental results demonstrate that our model outperforms
other LMMs on Grounding-Bench. Furthermore, our model achieves competitive
performance on classic grounding benchmarks like RefCOCO/+/g and Flickr30K
Entities. Our code will be released at
https://github.com/UX-Decoder/LLaVA-Grounding
Visual In-Context Prompting
In-context prompting in large language models (LLMs) has become a prevalent
approach to improve zero-shot capabilities, but this idea is less explored in
the vision domain. Existing visual prompting methods focus on referring
segmentation to segment the most relevant object, falling short of addressing
many generic vision tasks like open-set segmentation and detection. In this
paper, we introduce a universal visual in-context prompting framework for both
tasks. In particular, we build on top of an encoder-decoder architecture, and
develop a versatile prompt encoder to support a variety of prompts like
strokes, boxes, and points. We further enhance it to take an arbitrary number
of reference image segments as the context. Our extensive explorations show
that the proposed visual in-context prompting elicits extraordinary referring
and generic segmentation capabilities to refer and detect, yielding competitive
performance to close-set in-domain datasets and showing promising results on
many open-set segmentation datasets. By joint training on COCO and SA-1B, our
model achieves PQ on COCO and PQ on ADE20K. Code will be
available at https://github.com/UX-Decoder/DINOv.Comment: technical repor
Recommended from our members
Association between rare variants in specific functional pathways and human neural tube defects multiple subphenotypes
Background
Neural tube defects (NTDs) are failure of neural tube closure, which includes multiple central nervous system phenotypes. More than 300 mouse mutant strains exhibits NTDs phenotypes and give us some clues to establish association between biological functions and subphenotypes. However, the knowledge about association in human remains still very poor.
Methods
High throughput targeted genome DNA sequencing were performed on 280 neural tube closure-related genes in 355 NTDs cases and 225 ethnicity matched controls,
Results
We explored that potential damaging rare variants in genes functioning in chromatin modification, apoptosis, retinoid metabolism and lipid metabolism are associated with human NTDs. Importantly, our data indicate that except for planar cell polarity pathway, craniorachischisis is also genetically related with chromatin modification and retinoid metabolism. Furthermore, single phenotype in cranial or spinal regions displays significant association with specific biological function, such as anencephaly is associated with potentially damaging rare variants in genes functioning in chromatin modification, encephalocele is associated with apoptosis, retinoid metabolism and one carbon metabolism, spina bifida aperta and spina bifida cystica are associated with apoptosis; lumbar sacral spina bifida aperta and spina bifida occulta are associated with lipid metabolism. By contrast, complex phenotypes in both cranial and spinal regions display association with various biological functions given the different phenotypes.
Conclusions
Our study links genetic variant to subphenotypes of human NTDs and provides a preliminary but direct clue to investigate pathogenic mechanism for human NTDs.
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Genome sequence of the cultivated cotton <i>Gossypium arboreum</i>
The complex allotetraploid nature of the cotton genome (AADD; 2n = 52) makes genetic, genomic and functional analyses extremely challenging. Here we sequenced and assembled the Gossypium arboreum (AA; 2n = 26) genome, a putative contributor of the A subgenome. A total of 193.6 Gb of clean sequence covering the genome by 112.6-fold was obtained by paired-end sequencing. We further anchored and oriented 90.4% of the assembly on 13 pseudochromosomes and found that 68.5% of the genome is occupied by repetitive DNA sequences. We predicted 41,330 protein-coding genes in G. arboreum. Two whole-genome duplications were shared by G. arboreum and Gossypium raimondii before speciation. Insertions of long terminal repeats in the past 5 million years are responsible for the twofold difference in the sizes of these genomes. Comparative transcriptome studies showed the key role of the nucleotide binding site (NBS)-encoding gene family in resistance to Verticillium dahliae and the involvement of ethylene in the development of cotton fiber cells.Genetics & HereditySCI(E)[email protected]; [email protected]; [email protected]
Actively implementing an evidence-based feeding guideline for critically ill patients (NEED): a multicenter, cluster-randomized, controlled trial
Background: Previous cluster-randomized controlled trials evaluating the impact of implementing evidence-based guidelines for nutrition therapy in critical illness do not consistently demonstrate patient benefits. A large-scale, sufficiently powered study is therefore warranted to ascertain the effects of guideline implementation on patient-centered outcomes.
Methods: We conducted a multicenter, cluster-randomized, parallel-controlled trial in intensive care units (ICUs) across China. We developed an evidence-based feeding guideline. ICUs randomly allocated to the guideline group formed a local "intervention team", which actively implemented the guideline using standardized educational materials, a graphical feeding protocol, and live online education outreach meetings conducted by members of the study management committee. ICUs assigned to the control group remained unaware of the guideline content. All ICUs enrolled patients who were expected to stay in the ICU longer than seven days. The primary outcome was all-cause mortality within 28 days of enrollment.
Results: Forty-eight ICUs were randomized to the guideline group and 49 to the control group. From March 2018 to July 2019, the guideline ICUs enrolled 1399 patients, and the control ICUs enrolled 1373 patients. Implementation of the guideline resulted in significantly earlier EN initiation (1.20 vs. 1.55 mean days to initiation of EN; difference − 0.40 [95% CI − 0.71 to − 0.09]; P = 0.01) and delayed PN initiation (1.29 vs. 0.80 mean days to start of PN; difference 1.06 [95% CI 0.44 to 1.67]; P = 0.001). There was no significant difference in 28-day mortality (14.2% vs. 15.2%; difference − 1.6% [95% CI − 4.3% to 1.2%]; P = 0.42) between groups.
Conclusions: In this large-scale, multicenter trial, active implementation of an evidence-based feeding guideline reduced the time to commencement of EN and overall PN use but did not translate to a reduction in mortality from critical illness. Trial registration: ISRCTN, ISRCTN12233792. Registered November 20th, 2017
Actively implementing an evidence-based feeding guideline for critically ill patients (NEED): a multicenter, cluster-randomized, controlled trial.
BackgroundPrevious cluster-randomized controlled trials evaluating the impact of implementing evidence-based guidelines for nutrition therapy in critical illness do not consistently demonstrate patient benefits. A large-scale, sufficiently powered study is therefore warranted to ascertain the effects of guideline implementation on patient-centered outcomes.MethodsWe conducted a multicenter, cluster-randomized, parallel-controlled trial in intensive care units (ICUs) across China. We developed an evidence-based feeding guideline. ICUs randomly allocated to the guideline group formed a local "intervention team", which actively implemented the guideline using standardized educational materials, a graphical feeding protocol, and live online education outreach meetings conducted by members of the study management committee. ICUs assigned to the control group remained unaware of the guideline content. All ICUs enrolled patients who were expected to stay in the ICU longer than seven days. The primary outcome was all-cause mortality within 28 days of enrollment.ResultsForty-eight ICUs were randomized to the guideline group and 49 to the control group. From March 2018 to July 2019, the guideline ICUs enrolled 1399 patients, and the control ICUs enrolled 1373 patients. Implementation of the guideline resulted in significantly earlier EN initiation (1.20 vs. 1.55 mean days to initiation of EN; difference - 0.40 [95% CI - 0.71 to - 0.09]; P = 0.01) and delayed PN initiation (1.29 vs. 0.80 mean days to start of PN; difference 1.06 [95% CI 0.44 to 1.67]; P = 0.001). There was no significant difference in 28-day mortality (14.2% vs. 15.2%; difference - 1.6% [95% CI - 4.3% to 1.2%]; P = 0.42) between groups.ConclusionsIn this large-scale, multicenter trial, active implementation of an evidence-based feeding guideline reduced the time to commencement of EN and overall PN use but did not translate to a reduction in mortality from critical illness.Trial registrationISRCTN, ISRCTN12233792 . Registered November 20th, 2017
Actively implementing an evidence-based feeding guideline for critically ill patients (NEED): a multicenter, cluster-randomized, controlled trial (vol 26, 46, 2022)
BackgroundPrevious cluster-randomized controlled trials evaluating the impact of implementing evidence-based guidelines for nutrition therapy in critical illness do not consistently demonstrate patient benefits. A large-scale, sufficiently powered study is therefore warranted to ascertain the effects of guideline implementation on patient-centered outcomes.MethodsWe conducted a multicenter, cluster-randomized, parallel-controlled trial in intensive care units (ICUs) across China. We developed an evidence-based feeding guideline. ICUs randomly allocated to the guideline group formed a local "intervention team", which actively implemented the guideline using standardized educational materials, a graphical feeding protocol, and live online education outreach meetings conducted by members of the study management committee. ICUs assigned to the control group remained unaware of the guideline content. All ICUs enrolled patients who were expected to stay in the ICU longer than seven days. The primary outcome was all-cause mortality within 28 days of enrollment.ResultsForty-eight ICUs were randomized to the guideline group and 49 to the control group. From March 2018 to July 2019, the guideline ICUs enrolled 1399 patients, and the control ICUs enrolled 1373 patients. Implementation of the guideline resulted in significantly earlier EN initiation (1.20 vs. 1.55 mean days to initiation of EN; difference - 0.40 [95% CI - 0.71 to - 0.09]; P = 0.01) and delayed PN initiation (1.29 vs. 0.80 mean days to start of PN; difference 1.06 [95% CI 0.44 to 1.67]; P = 0.001). There was no significant difference in 28-day mortality (14.2% vs. 15.2%; difference - 1.6% [95% CI - 4.3% to 1.2%]; P = 0.42) between groups.ConclusionsIn this large-scale, multicenter trial, active implementation of an evidence-based feeding guideline reduced the time to commencement of EN and overall PN use but did not translate to a reduction in mortality from critical illness.Trial registrationISRCTN, ISRCTN12233792 . Registered November 20th, 2017
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