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A gold-based multiplex immunochromatographic sensor for detecting paclitaxel

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Nano Research 2024年第7期17卷 6420-6429页

作者： Xiaoqian Jiang Aihua Qu Xinxin Xu Hua Kuang Liqiang Liu Chuanlai Xu State Key Laboratory of food science and technology Jiangnan UniversityWuxi 214122China International Joint Research Laboratory for Biointerface and Biodetection and School of Food Science and TechnologyJiangnan UniversityWuxi 214122China

Paclitaxel(PTX),methotrexate(MTX),and 5-fluorouracil(5-FU)are commonly-used small molecule anti-tumor drugs for breast ***,drug resistance occurs with long-term treatment or excessive use,and the high concentrations of PTX,MTX,and 5-FU in patients may lead to side effects with dose-limiting toxicities,such as myelosuppression,hepatotoxicity,and peripheral ***,concentration monitoring of PTX,MTX,and 5-FU in clinical treatment is very *** prepared highly sensitive and specific monoclonal antibodies using several haptens,and established a multiple paper-based sensor utilizing optical signals of gold nanoparticles,which simultaneously detected PTX,MTX,and 5-FU in human plasma or urine with 10 min.A portable scanner for quantitative detection in plasma and urine samples was used,and the calculated limit of detection(cLOD)values were 0.002 and 0.142μg/mL for PTX,0.187 and 0.976 ng/mL for MTX,and 0.057 and 0.128μg/mL for 5-FU,*** the recovery test,the recovery rates and the coefficient of variation were 85.84%–108.81%and 1.23%–8.80%,respectively,indicating the reliability and accuracy of the multiple gold immunochromatographic strip(GIS).In addition,for the determination of collected clinical plasma samples,the correlation between the test data of the multiple GIS and liquid chromatography–tandem mass spectrometry(LC–MS/MS)was ***,the developed multiple GIS could be applied to the rapid detection of PTX,MTX,and 5-FU in different clinical samples.

关键词： paclitaxel methotrexate 5-fluorouracil immunochromatographic assay plasma urine

Emulsifying property,antioxidant activity,and bitterness of soybean protein isolate hydrolysate obtained by Corolase PP under high hydrostatic pressure

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food science and Human Wellness 2024年第3期13卷 1271-1278页

作者： Haining Guan Chunmei Feng Min Ren Xiaojun Xu Dengyong Liu Xiaoqin Diao College of food science and technology Bohai UniversityJinzhou 121013China

Enzymatic hydrolysis of proteins can enhance their emulsifying properties and antioxidant ***,the problem related to the hydrolysis of proteins was the generation of the bitter ***,high hydrostatic pressure(HHP)treatment has attracted much interest and has been used in several studies on protein ***,the study aimed to investigate the effects of enzymatic hydrolysis by Corolase PP under different pressure treatments(0.1,100,200,and 300 MPa for 1-5 h at 50℃)on the emulsifying property,antioxidant activity,and bitterness of soybean protein isolate hydrolysate(SPIH).As observed,the hydrolysate obtained at 200 MPa for 4 h had the highest emulsifying activity index(47.49 m^(2)/g)and emulsifying stability index(92.98%),and it had higher antioxidant activities(44.77%DPPH free radical scavenging activity,31.12%superoxide anion radical scavenging activity,and 61.50%copper ion chelating activity).At the same time,the enhancement of emulsion stability was related to the increase of zeta potential and the decrease of mean particle *** addition,the hydrolysate obtained at 200 MPa for 4 h had a lower bitterness value and showed better *** study has a broad application prospect in developing food ingredients and healthy foods.

关键词： Soybean protein isolate High hydrostatic pressure Emulsification Antioxidant Bitter taste

The role of a novel antibacterial substance,cyclic opine-producing Lacticaseibacillus rhamnosus LS8 in ameliorating ulcerative colitis:a fecal microbiota transplantation study

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food science and Human Wellness 2024年第2期13卷 778-790页

作者： Tao Wang Shuang Wang Shuchen Dong Ruiling Wang Shuxuan Wang Jie Yang Xin Wang Xin Lü College of food science and Engineering Northwest Agriculture and Forestry UniversityYangling 712100China Faculty of food science and Engineering Kunming University of Science and TechnologyKunming 650500China School of Life science and technology Xinjiang UniversityUrumqi 830046China

Intestinal microbiota imbalance may worsen the progression of ulcerative colitis(UC).Lacticaseibacillus rhamnosus LS8(LR)has the potential ability to regulate microbiota through producing a novel antibacterial substance,cyclic opine:*** study aimed to investigate whether LR could ameliorate dextran sulfate sodium-induced UC in mice via modulating intestinal microbiota using fecal microbiota transplantation(FMT)*** results showed that both LR and FMT attenuated UC as evidenced by 1)alleviating disease activity index and colonic pathology;2)up-regulating MUCs and tight junction proteins;3)increasing oxidative mediators and decreasing antioxidant mediators;4)down-regulating proinflammatory cytokines and *** results were mainly attributable to the microbiota-regulating effect of LR,including increasing beneficial bacteria(like Akkermansia)and its related SCFAs,while decreasing harmful bacteria(like Proteobacteria)and its related LPS,thereby suppressing the hyperactivation of TLR4/NF-κB ***,LR can alleviate UC and is a potential dietary supplement to attenuate UC.

关键词： Gut barrier Gut microbiota Fecal microbiota transplantation Lacticaseibacillus rhamnosus Oxidative stress Ulcerative colitis

Effects of Rosa roxburghii&edible fungus fermentation broth on immune response and gut microbiota in immunosuppressed mice

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food science and Human Wellness 2024年第1期13卷 154-165页

作者： Dechang Xu Jielun Hu Yadong Zhong Yanli Zhang Wenting Liu Shaoping Nie Mingyong Xie State Key Laboratory of food science and technology China-Canada Joint Laboratory of Food Science and Technology(Nanchang)Key Laboratory of Bioactive Polysaccharides of Jiangxi ProvinceNanchang UniversityNanchang 330047China

With the rise of probiotics fermentation in food industry,fermented foods have attracted worldwide *** this study,protective effects of Rosa roxburghii&edible fungus fermentation broth(REFB)on immune function and gut health in Cyclophosphamide induced immunosuppressed mice were *** showed that REFB could improve the immune organ index,and promote the proliferation and differentiation of splenic T *** addition,it attenuated intestinal mucosal damage and improved intestinal cellular *** administration also up-regulated the expression of IL-4,INF-γ,TNF-α,T-bet and GATA-3 mRNA in small ***,administration of REFB modulated gut microbiota composition and increased the relative abundance of beneficial genus,such as *** also increased the production of fecal short-chain fatty *** indicate that REFB has the potential to improve immunity,alleviate intestinal injury and regulate gut microbiota in immunosuppressed mice.

关键词： Fermented foods Immunosuppressed mice Immune response Gut microbiota Short-chain fatty acids

Comprehensive characterization and detection of nut allergens in bakery foods using Q-TOF mass spectrometry and bioinformatics

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food Quality and Safety 2024年第1期8卷 145-157页

作者： Daokun Xu Haolun Huang Zhen Liu YumeiWang Qinan Liu Xing Jiang JunYang Rui Ling Nanjing Institute for food and Drug Control NanjingChina State Key Laboratory of food science and technology School of Food Science and TechnologyJiangnan UniversityWuxiChina Demonstration Collaborative Laboratory of Analysis and Detection technology for food and Drug Safety Nanjing Institute for Food and Drug Control and Agilent Technologies(China)NanjingChina Collaborative Laboratory for food Safety Nanjing Institute for Food and Drug Control and SCIEX(China)NanjingChina

food allergy is a growing health issue worldwide and the demand for sensitive,robust and high-throughput analytical methods is *** recent years,mass spectrometry-based methods have been established for multiple food allergen *** the present study,a novel method was developed for the simultaneous detection of almond,cashew,peanut,and walnut allergens in bakery foods using liquid chromatography–mass *** unique to these four ingredients were extracted,followed by trypsin digestion,quadrupole time-of-flight(Q-TOF)mass spectrometry and bioinformatics *** raw data were processed by de-novo sequencing module plus PEAKS DB(database search)module of the PEAKS software to screen peptides specific to each nut *** thermal stability and uniqueness of these candidate peptides were further verified using triple quadrupole mass spectrometry(QQQ-MS)in multiple reaction monitoring(MRM)*** nut species was represented by four peptides,all of which were validated for label-free quantification(LFQ).Calibration curves were constructed with good linearity and correlation coefficient(r 2)greater than *** limits of detection(LODs)were determined to range from 0.11 to 0.31 mg/kg,and were compared with the reference doses proposed by Voluntary Incidental Trace Allergen Labelling(VITAL).The recoveries of the developed method in incurred bakery food matrices ranged from 72.5%to 92.1%with relative standard deviations(RSD)offood samples confirmed the presence of these *** conclusion,this method provides insight into the qualitative and quantitative detection of trace levels of nut allergens in bakery foods.

关键词： Nut allergen Q-TOF mass spectrometry peptides label-free quantitation bakery foods.

Low-fat microwaved peanut snacks production:Effect of defatting treatment on structural characteristics,texture,color,and nutrition

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Journal of Integrative Agriculture 2024年第7期23卷 2491-2502页

作者： Bo Jiao Xin Guo Yiying Chen Shah Faisal Wenchao Liu Xiaojie Ma Bicong Wu Guangyue Ren Qiang Wang Institute of food science and technology Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products ProcessingMinistry of Agriculture and Rural AffairsBeijing 100193China College of food and Bioengineering Henan University of Science and TechnologyLuoyang 471000China State Key Laboratory of food science and technology Jiangnan UniversityWuxi 214122China

This study develops low-fat microwaved peanut snacks(LMPS)using partially defatted peanuts(PDP)with different defatting ratios,catering to people’s pursuit of healthy,low-fat *** effects of defatting treatment on the structural characteristics,texture,color,and nutrient composition of LMPS were comprehensively *** structural characteristics of LMPS were characterized using X-ray micro-computed tomography(Micro-CT)and scanning electron microscope(SEM).The results demonstrated that the porosity,pore number,pore volume,brightness,brittleness,protein content,and total sugar content of LMPS all significantly increased(P<0.05)with the increase in the defatting *** the micro level,porous structure,cell wall rupture,and loss of intracellular material could be observed in LMPS after defatting *** made from PDP with a defatting ratio of 64.44%had the highest internal pore structural parameters(porosity 59%,pore number 85.3×10^(5),pore volume 68.23 mm3),the brightest color(L^(*) 78.39±0.39),the best brittleness(3.64±0.21)mm^(–1)),and the best nutrition(high protein content,(34.02±0.38)%;high total sugar content,(17.45±0.59)%;low-fat content,(27.58±0.85)%).The study provides a theoretical basis for the quality improvement of LMPS.

关键词： low-fat microwaved peanut snacks(LMPS) X-ray micro-computed tomography(Micro-CT) porosity texture color nutrition

Hydrogel-supported poly(L-lactic acid) and polystyrene microsphere-based three-dimensional culture systems for in vitro cell expansion

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Frontiers of Materials science 2024年第2期18卷 129-137页

作者： Huaying Hao Lihong Sun Jiaxuan Chen Jun Liang State Key Laboratory of food Nutrition and Safety Tianjin University of Science&TechnologyTianjin 300457China College of Light Industry science and Engineering Tianjin University of Science&TechnologyTianjin 300457China College of food science and Engineering Tianjin University of Science&TechnologyTianjin 300457China

The in vitro expansion of stem cells is important for their application in different life science fields such as cellular tissue and organ *** objective of this paper was to achieve static cell culture in vitro through peptide hydrogel-supported microspheres(MSs).The peptides,with their gel-forming properties,microstructures,and mechanical strengths characterized,were found to have good support for the MSs and to be *** internal structures of poly(L-lactic acid)microspheres(PLLA-MSs)and polystyrene microspheres(PS-MSs)made in thelaboratory were observed and statistically analyzed in terms of particle size and pore size,following which the co-cultured MSs with cells were found to have good cell *** addition,three-dimensional(3D)culturing of cells was performed on the peptide and microcarrier composite scaffolds to measure cell viability and cell *** results showed that the peptides could be stimulated by the culture medium to self-assembly form a 3D fiber network *** the peptide-Ms composite scaffold-based cell culture system,further enhancement of the cell culture effect was *** peptide-Ms composite scaffolds have great potential for the application in 3D cell culture and in vitro cellexpansion.

关键词： microcarrier microsphere peptide hydrogel cell scaffold three-dimensional culture cell expansion

Akkermansia muciniphila-directed polyphenol chlorogenic acid intervention for obesity in mice

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food science and Human Wellness 2024年第1期13卷 90-100页

作者： Xiaoxiang Gao Chenbo Yue Ruocen Tian Leilei Yu Fengwei Tian Jianxin Zhao Wei Chen Qixiao Zhai State Key Laboratory of food science and technology Jiangnan UniversityWuxi 214122China School of food science and technology Jiangnan UniversityWuxi 214122China National Engineering Research Center for Functional food Jiangnan UniversityWuxi 214122China

Akkermansia muciniphila play an important in ameliorating obesity but is not allowed for direct consumption in most *** date,microbiota-directed foods selectively promote the targeted human gut microbes,providing a strategy for *** *** studies have indicated the potential regulation of the polyphenol on ***,a polyphenol screening based on *** upregulation was performed in *** acid(CGA)exhibited a greater response to *** ***,we found that CGA did not directly promote *** growth or mucin *** and metabolomics revealed that the increased abundance of *** resulted from the inhibition of CGA on Desulfovibrio and Alistipes and the influence of docosahexaenoic acid,β-hydroxybutyrate,and ***,to confirm the regulation of CGA on *** under disease conditions,high-fat diet-fed mice were *** results showed CGA promoted *** growth,and we expectedly found that CGA suppressed the augment in body weight of mice,significantly attenuated adipose tissue abnormality,provided liver protection and improved gut barrier *** results suggest that CGA inhibits the development of ***,our results indicate that microbiota-directed food is a promising approach for the treatment of obesity.

关键词： Akkermansia muciniphila polyphenol chlorogenic acid obesity

Bias-Free Solar-to-Hydrogen Conversion in a BiVO4/PM6:Y6 Compact Tandem with Optically Balanced Light Absorption

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Energy & Environmental Materials 2024年第4期7卷 231-238页

作者： Catarina G.Ferreira Constanza Sansierra Francisco Bernal-Texca Mingyu Zhang Carles Ros Jordi Martorell ICFO–Institut de Ciències Fotòniques The Barcelona Institute of Science and Technology departament de Física Universitat Politècnica de Catalunya

The high voltage required to overcome the thermodynamic threshold and the complicated kinetics of the water splitting reaction limit the efficiency of single semiconductor-based photoelectrochemistry.A semiconductor/solar cell tandem structure has been theoretically demonstrated as a viable path to achieve an efficient direct transformation of sunlight into chemical energy.

关键词： bismuth vanadate compact tandem organic solar cells photonic multilayers solar-to-hydrogen conversion