LIVIVO - The Search Portal for Life Sciences

zur deutschen Oberfläche wechseln
Advanced search

Search results

Result 1 - 10 of total 32

Search options

  1. Article: Development and validation of risk prediction model for refeeding syndrome in neurocritical patients.

    Zhang, Wei / Zhang, Sheng-Xiang / Chen, Shu-Fan / Yu, Tao / Tang, Yun

    Frontiers in nutrition

    2023  Volume 10, Page(s) 1083483

    Abstract: Background: The incidence of refeeding syndrome (RFS) in critically ill patients is high, which is detrimental to their prognoses. However, the current status and risk factors for the occurrence of RFS in neurocritical patients remain unclear. ... ...

    Abstract Background: The incidence of refeeding syndrome (RFS) in critically ill patients is high, which is detrimental to their prognoses. However, the current status and risk factors for the occurrence of RFS in neurocritical patients remain unclear. Elucidating these aspects may provide a theoretical basis for screening populations at high risk of RFS.
    Methods: A total of 357 patients from January 2021 to May 2022 in a neurosurgery ICU of a tertiary hospital in China were included using convenience sampling. Patients were divided into RFS and non-RFS groups, based on the occurrence of refeeding-associated hypophosphatemia. Risk factors for RFS were determined using univariate and logistic regression analyses, and a risk prediction model for RFS in neurocritical patients was developed. The Hosmer-Lemeshow test was used to determine the goodness of fit of the model, and the receiver operator characteristic curve was used to examine its discriminant validity.
    Results: The incidence of RFS in neurocritical patients receiving enteral nutrition was 28.57%. Logistic regression analyses showed that history of alcoholism, fasting hours, Acute Physiology and Chronic Health Evaluation II (APACHE II) scores, Sequential Organ Failure Assessment (SOFA) scores, low serum albumin, and low baseline serum potassium were risk factors of RFS in neurocritical patients (
    Conclusion: The incidence of RFS in neurocritical patients was high, and the risk factors were diverse. The risk prediction model in this study had good predictive effects and clinical utility, which may provide a reference for assessing and screening for RFS risk in neurocritical patients.
    Language English
    Publishing date 2023-02-15
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2776676-7
    ISSN 2296-861X
    ISSN 2296-861X
    DOI 10.3389/fnut.2023.1083483
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  2. Article ; Online: Mask-wearing behavior during COVID-19 in China and its correlation with e-health literacy.

    Zhang, Wei / Chen, Shu-Fan / Li, Kun-Kun / Liu, Huan / Shen, Hai-Chen / Zhang, Xian-Cui

    Frontiers in public health

    2022  Volume 10, Page(s) 930653

    Abstract: Background: During the Coronavirus : Methods: We conducted a nationwide survey on the mask-wearing behavior of the public and their health literacy levels by distributing electronic questionnaires. Univariate and logistic regression analyses were ... ...

    Abstract Background: During the Coronavirus
    Methods: We conducted a nationwide survey on the mask-wearing behavior of the public and their health literacy levels by distributing electronic questionnaires. Univariate and logistic regression analyses were performed to determine the factors influencing mask-wearing behavior. Pearson's correlation was used to analyze the correlation between mask-wearing behaviors and e-health literacy.
    Results: A total of 1,972 valid questionnaires were collected; 99.8% of the public wore masks when going out and 59.2% showed good mask-wearing behavior. Most people choose to wear disposable medical masks (61.3%), followed by medical surgical masks (52.9%). All participants indicated that they had understood the information on how to use masks, and most obtained it through social media (61.8%). The average of the e-health literacy scores of those with good mask-wearing behavior was significantly higher than those with poor mask-wearing behavior (
    Conclusion: The overall compliance of the public's mask-wearing behavior in China during COVID-19 is good. However, there are shortcomings regarding the selection, use, and precautions. The differences in mask-wearing behavior are related to factors including gender, place of residence, educational level, work or living environment, marital status, presence of flu symptoms, and whether living with people in home quarantine. Higher levels of e-health literacy indicated better mask-wearing behavior. Therefore, it is necessary to strengthen the public's popularization and education regarding the prevention and control of COVID-19.
    MeSH term(s) COVID-19/epidemiology ; COVID-19/psychology ; China/epidemiology ; Health Literacy ; Humans ; Masks ; SARS-CoV-2
    Language English
    Publishing date 2022-07-22
    Publishing country Switzerland
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2711781-9
    ISSN 2296-2565 ; 2296-2565
    ISSN (online) 2296-2565
    ISSN 2296-2565
    DOI 10.3389/fpubh.2022.930653
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  3. Article ; Online: A viologen-based Cd(II) coordination polymer as a multifunctional platform for photochromism, chemochromism and a broad range of fluorescence pH sensing.

    Zhang, Shi / Zhang, Kai / Du, Shengliang / Chen, Shufan / Zhang, Qingfu / Shi, Xinyu / Meng, Qinghua / Gai, Yanli / Xiong, Kecai

    Dalton transactions (Cambridge, England : 2003)

    2023  Volume 52, Issue 34, Page(s) 11773–11779

    Abstract: A multi-responsive Cd(II) coordination polymer (1) has been constructed by introducing a viologen derivative as both the framework backbone and ligand side pendant. Notably, compound 1 exhibits intriguing properties, including photochromism, methanol- ... ...

    Abstract A multi-responsive Cd(II) coordination polymer (1) has been constructed by introducing a viologen derivative as both the framework backbone and ligand side pendant. Notably, compound 1 exhibits intriguing properties, including photochromism, methanol-assisted photochromism and chemochromism to ammonia. Furthermore, compound 1 also displays fluorescence pH sensing ability in a wide pH range.
    Language English
    Publishing date 2023-08-29
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472887-4
    ISSN 1477-9234 ; 1364-5447 ; 0300-9246 ; 1477-9226
    ISSN (online) 1477-9234 ; 1364-5447
    ISSN 0300-9246 ; 1477-9226
    DOI 10.1039/d3dt00963g
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  4. Article ; Online: Pectin-rich dragon fruit peel extracts: An environmentally friendly emulsifier of natural origin.

    Liu, Yiyan / Chen, Hongru / Chen, Shufan / Zhang, Yuehan / Zhang, Jingkai / Zhu, Xiaoqi / Li, Wenxuan / Liu, Jialu / Jiang, Yang / Li, Dapeng

    Food chemistry

    2023  Volume 429, Page(s) 136955

    Abstract: Pectin extraction is generally an energy-intensive industrial process, while on the other hand their extraction methods vary from different sources. Starting with that perspective, pectin (WSP) containing ultra-low degree of methylation (31.08 ± 1.27%) ... ...

    Abstract Pectin extraction is generally an energy-intensive industrial process, while on the other hand their extraction methods vary from different sources. Starting with that perspective, pectin (WSP) containing ultra-low degree of methylation (31.08 ± 1.27%) from dragon fruit peel (DFP) was extracted by using pure water at room temperature. WSP, dominant in DFP (17.13 ± 1.01%), showed both a high molecular weight and a wide molecular weight distribution, while the yield of the rest acid-soluble pectin (HAP) from DFP residue was only 5.22 ± 0.76%. Furthermore, WSP can stabilize emulsions over a wide range of concentrations and oil phases, especially HIPE. Therefore, the hypothesis was verified that the pectin-rich extract from dragon fruit peel with excellent emulsifying properties could be simply extracted by pure water. This environmentally-friendly and energy-saving extraction method provides a new insight to increase the additional value of dragon fruit peel produced in food processing.
    MeSH term(s) Pectins ; Fruit ; Emulsifying Agents ; Emulsions ; Camphor ; Menthol ; Water
    Chemical Substances Pectins (89NA02M4RX) ; Emulsifying Agents ; Emulsions ; Camphor (76-22-2) ; Menthol (1490-04-6) ; Water (059QF0KO0R)
    Language English
    Publishing date 2023-07-23
    Publishing country England
    Document type Journal Article
    ZDB-ID 243123-3
    ISSN 1873-7072 ; 0308-8146
    ISSN (online) 1873-7072
    ISSN 0308-8146
    DOI 10.1016/j.foodchem.2023.136955
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  5. Article: Fabrication of Polymer Composite Fibers Embedding Ultra-Long Micro/Nanowires.

    Yang, Bo / Pan, Dawei / Sun, Laixi / Chen, Shufan / Wu, Weidong / Li, Bo

    Nanomaterials (Basel, Switzerland)

    2021  Volume 11, Issue 4

    Abstract: Fabrication of polymer composite fibers embedding ultra-long micro/nanowires via an iterative melt co-drawing and bundling technique is reported in this study. The poly(methyl methacrylate) (PMMA) porous array templates were prepared with section-cutting ...

    Abstract Fabrication of polymer composite fibers embedding ultra-long micro/nanowires via an iterative melt co-drawing and bundling technique is reported in this study. The poly(methyl methacrylate) (PMMA) porous array templates were prepared with section-cutting the PMMA/polystyrene (PS) (shell/core) composite fibers and dissolution of inner PS. The results showed that the PS cores or pores in the PMMA matrix are regularly arranged with hexagonal, and their diameter and spacing exhibits a uniform distribution. Especially, the core diameter can be precisely controlled from millimeter-scale to nanometer-scale by multi-step melt co-drawing. Based on the PMMA porous array templates, the Cu nanowires were successfully prepared by electrochemical deposition. Moreover, to fabricate PMMA ultra-long micro/nanowires, the composite fibers with converse shell/core component of PS/PMMA were initially prepared, and then the outer PS was dissolved. The obtained PMMA micro/nanowires were characterized with smooth complete orientation structure. The study provides an experimental basis for fabricating such polymer composite fibers, micro/nano porous array templates, and micro/nanowires with precise and controllable manner to meet the real application requirements.
    Language English
    Publishing date 2021-04-07
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662255-5
    ISSN 2079-4991
    ISSN 2079-4991
    DOI 10.3390/nano11040939
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  6. Article ; Online: The MAP3Ks DLK and LZK Direct Diverse Responses to Axon Damage in Zebrafish Peripheral Neurons.

    Adula, Kadidia Pemba / Shorey, Matthew / Chauhan, Vasudha / Nassman, Khaled / Chen, Shu-Fan / Rolls, Melissa M / Sagasti, Alvaro

    The Journal of neuroscience : the official journal of the Society for Neuroscience

    2022  Volume 42, Issue 32, Page(s) 6195–6210

    Abstract: Mitogen-activated protein kinase kinase kinases (MAP3Ks) dual leucine kinase (DLK) and leucine zipper kinase (LZK) are essential mediators of axon damage responses, but their responses are varied, complex, and incompletely understood. To characterize ... ...

    Abstract Mitogen-activated protein kinase kinase kinases (MAP3Ks) dual leucine kinase (DLK) and leucine zipper kinase (LZK) are essential mediators of axon damage responses, but their responses are varied, complex, and incompletely understood. To characterize their functions in axon injury, we generated zebrafish mutants of each gene, labeled motor neurons (MNs) and touch-sensing neurons in live zebrafish, precisely cut their axons with a laser, and assessed the ability of mutant axons to regenerate in larvae, before sex is apparent in zebrafish. DLK and LZK were required redundantly and cell autonomously for axon regeneration in MNs but not in larval Rohon-Beard (RB) or adult dorsal root ganglion (DRG) sensory neurons. Surprisingly, in
    MeSH term(s) Animals ; Axons/physiology ; Leucine/metabolism ; Leucine Zippers ; MAP Kinase Kinase Kinases/genetics ; MAP Kinase Kinase Kinases/metabolism ; Motor Neurons/metabolism ; Nerve Regeneration/genetics ; Zebrafish
    Chemical Substances MAP Kinase Kinase Kinases (EC 2.7.11.25) ; Leucine (GMW67QNF9C)
    Language English
    Publishing date 2022-07-15
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, N.I.H., Extramural
    ZDB-ID 604637-x
    ISSN 1529-2401 ; 0270-6474
    ISSN (online) 1529-2401
    ISSN 0270-6474
    DOI 10.1523/JNEUROSCI.1395-21.2022
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  7. Article ; Online: A fluorometric assay platform for caffeic acid detection based on the G-quadruplex/hemin DNAzyme.

    Cai, Nan / Li, Yan / Chen, Shufan / Su, Xingguang

    The Analyst

    2016  Volume 141, Issue 14, Page(s) 4456–4462

    Abstract: In this paper, a fluorometric assay platform for fluorescence detection of caffeic acid was designed based on the peroxidase-mimicking activities of G-quadruplex/hemin DNAzyme. Under the catalysis of the formed G-quadruplex/hemin complex, H2O2 could be ... ...

    Abstract In this paper, a fluorometric assay platform for fluorescence detection of caffeic acid was designed based on the peroxidase-mimicking activities of G-quadruplex/hemin DNAzyme. Under the catalysis of the formed G-quadruplex/hemin complex, H2O2 could be decomposed into hydroxyl radicals with strong oxidation properties. Then caffeic acid would be oxidized by the released hydroxyl radicals, resulting in the product caffeic acid-quinone. Normally, caffeic acid has no influence on the fluorescence of graphene quantum dots. But when mixed with the G-quadruplex/hemin complex and H2O2, the fluorescence of graphene quantum dots was obviously quenched by the oxidized caffeic acid. Under the optimized experimental conditions, the quenched fluorescence intensity was linearly correlated with the concentration of caffeic acid, ranging from 2 μM to 350 μM with a detection limit of 200 nM. The proposed method was applied to the determination of caffeic acid in human serum samples with satisfactory results.
    MeSH term(s) Caffeic Acids/analysis ; Caffeic Acids/blood ; DNA, Catalytic/chemistry ; Fluorescence ; G-Quadruplexes ; Graphite ; Hemin/chemistry ; Humans ; Hydrogen Peroxide ; Quantum Dots
    Chemical Substances Caffeic Acids ; DNA, Catalytic ; Hemin (743LRP9S7N) ; Graphite (7782-42-5) ; Hydrogen Peroxide (BBX060AN9V)
    Language English
    Publishing date 2016-05-24
    Publishing country England
    Document type Journal Article
    ZDB-ID 210747-8
    ISSN 1364-5528 ; 0003-2654
    ISSN (online) 1364-5528
    ISSN 0003-2654
    DOI 10.1039/c6an00543h
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  8. Article ; Online: A novel electrochemiluminescence sensor for the detection of nitroaniline based on the nitrogen-doped graphene quantum dots.

    Chen, Shufan / Chen, Xueqian / Xia, Tingting / Ma, Qiang

    Biosensors & bioelectronics

    2016  Volume 85, Page(s) 903–908

    Abstract: Nitrogen-doped graphene quantum dots (N-GQDs), as a new class of carbon nanomaterials, have potential application in sensor, fuel cells, optoelectronics field due to their stable photoluminescence (PL) and electrocatalytic activity. Herein, a facile ... ...

    Abstract Nitrogen-doped graphene quantum dots (N-GQDs), as a new class of carbon nanomaterials, have potential application in sensor, fuel cells, optoelectronics field due to their stable photoluminescence (PL) and electrocatalytic activity. Herein, a facile novel electrochemiluminescence (ECL) signal-on method for nitroaniline (NA) sensing based on N-GQDs and chitosan was developed. Chitosan displays high water permeability, hydrophilic property and good adhesion to load the N-GQDs to the glassy carbon electrode (GCE) surface. N-GQDs have shown as highly active reagent and catalyst for rapid diazotization reaction of anilines. When NA was added to the electrolyte solution consisting of mineral acid and sodium nitrite, N-GQDs/chitosan modified electrode exhibited obvious enhancement of ECL intensity, which was ascribed to the occurrence of diazotization reaction of NA. Therefore, NA can be detected with high selectivity based on the N-GQDs/chitosan ECL system. To the best of our knowledge, it is the first report about the NA detection based on the catalysis and ECL capabilities of N-GQDs. There was a wide linear ECL intensity response ranging from 0.01 to 1μmolL(-1) NA. The practicability of the ECL sensing platform in real water samples has shown the satisfactory results.
    MeSH term(s) Aniline Compounds/analysis ; Biosensing Techniques/methods ; Electrochemical Techniques/methods ; Graphite/chemistry ; Limit of Detection ; Nitrogen/chemistry ; Quantum Dots/chemistry ; Quantum Dots/ultrastructure ; Water/analysis ; Water Pollutants, Chemical/analysis
    Chemical Substances Aniline Compounds ; Water Pollutants, Chemical ; Water (059QF0KO0R) ; nitroaniline (29757-24-2) ; Graphite (7782-42-5) ; Nitrogen (N762921K75)
    Language English
    Publishing date 2016-11-15
    Publishing country England
    Document type Evaluation Studies ; Journal Article
    ZDB-ID 1011023-9
    ISSN 1873-4235 ; 0956-5663
    ISSN (online) 1873-4235
    ISSN 0956-5663
    DOI 10.1016/j.bios.2016.06.010
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  9. Article: Anticoccidial Effect of Herbal Powder “Shi Ying Zi” in Chickens Infected with Eimeria tenella

    Song, Xu / Li, Yunhe / Chen, Shufan / Jia, Renyong / Huang, Yongyuan / Zou, Yuanfeng / Li, Lixia / Zhao, Xinxin / Yin, Zhongqiong

    Animals. 2020 Aug. 24, v. 10, no. 9

    2020  

    Abstract: Coccidiosis is one of the most economically important diseases affecting the poultry industry. Currently, anticoccidial drugs used in veterinary clinics show many deficiencies, and new control measures are urgently needed. This study presents an ... ...

    Abstract Coccidiosis is one of the most economically important diseases affecting the poultry industry. Currently, anticoccidial drugs used in veterinary clinics show many deficiencies, and new control measures are urgently needed. This study presents an anticoccidial herbal powder “Shi Yin Zi”, which consists of Cnidium monnieri (L.) Cuss, Taraxacum mongolicum Hand.-Mazz., and sodium chloride. In chickens infected with Eimeria tenella, supplementation with “Shi Yin Zi” powder for 3 d prior to infection or treatment with “Shi Yin Zi” powder after infection could improve the survival rate and relative growth rate and alleviate the pathological changes in the cecum, liver, and kidney. “Shi Yin Zi” powder could recover the levels of alanine aminotransferase, creatinine, albumin, and triglycerides in serum. The hemorrhage occurrence and total number of oocysts in feces were reduced. The anti-coccidial indexes reached 165 for the prophylactic effect and 144 for the therapeutic effect. The anti-coccidial effects were equal to positive controls (monensin and sulfamlopyrazine). These results suggest that “Shi Ying Zi” powder possesses a potent anticoccidial effect and exhibits the potential to control E. tenella infection.
    Keywords Cnidium monnieri ; Eimeria tenella ; Taraxacum mongolicum ; alanine transaminase ; albumins ; blood serum ; cecum ; coccidiosis ; coccidiostats ; creatinine ; feces ; hemorrhage ; kidneys ; liver ; monensin ; oocysts ; poultry industry ; protective effect ; sodium chloride ; survival rate ; therapeutics
    Language English
    Dates of publication 2020-0824
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    Note NAL-light
    ISSN 2076-2615
    DOI 10.3390/ani10091484
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  10. Article: A novel electrochemiluminescence sensor for the detection of nitroaniline based on the nitrogen-doped graphene quantum dots

    Chen, Shufan / Qiang Ma / Tingting Xia / Xueqian Chen

    Biosensors & bioelectronics. 2016 Nov. 15, v. 85

    2016  

    Abstract: Nitrogen-doped graphene quantum dots (N-GQDs), as a new class of carbon nanomaterials, have potential application in sensor, fuel cells, optoelectronics field due to their stable photoluminescence (PL) and electrocatalytic activity. Herein, a facile ... ...

    Abstract Nitrogen-doped graphene quantum dots (N-GQDs), as a new class of carbon nanomaterials, have potential application in sensor, fuel cells, optoelectronics field due to their stable photoluminescence (PL) and electrocatalytic activity. Herein, a facile novel electrochemiluminescence (ECL) signal-on method for nitroaniline (NA) sensing based on N-GQDs and chitosan was developed. Chitosan displays high water permeability, hydrophilic property and good adhesion to load the N-GQDs to the glassy carbon electrode (GCE) surface. N-GQDs have shown as highly active reagent and catalyst for rapid diazotization reaction of anilines. When NA was added to the electrolyte solution consisting of mineral acid and sodium nitrite, N-GQDs/chitosan modified electrode exhibited obvious enhancement of ECL intensity, which was ascribed to the occurrence of diazotization reaction of NA. Therefore, NA can be detected with high selectivity based on the N-GQDs/chitosan ECL system. To the best of our knowledge, it is the first report about the NA detection based on the catalysis and ECL capabilities of N-GQDs. There was a wide linear ECL intensity response ranging from 0.01 to 1μmolL−1 NA. The practicability of the ECL sensing platform in real water samples has shown the satisfactory results.
    Keywords adhesion ; biosensors ; catalysts ; catalytic activity ; chitosan ; electrochemiluminescence ; electrolytes ; fuel cells ; glassy carbon electrode ; graphene ; hydrophilicity ; permeability ; photoluminescence ; quantum dots ; sodium nitrite
    Language English
    Dates of publication 2016-1115
    Size p. 903-908.
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 1011023-9
    ISSN 1873-4235 ; 0956-5663
    ISSN (online) 1873-4235
    ISSN 0956-5663
    DOI 10.1016/j.bios.2016.06.010
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

To top