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production of chitosan-based composite film reinforced with lignin-rich lignocellulose nanofibers from rice husk

Journal of Bioresources and Bioproducts 2024年第2期9卷 174-184页

作者： Hye Jee Kang Yeon Ju Lee Jin Kyoung Lee Irnia Nurika Sri Suhartini Deokyeong Choe Dong Hyun Kim Hoon Choi natasha p.murphy Ho Yong Kim Young Hoon Jung School of Food Science and Biotechnology Kyungpook National UniversityDaegu 41566Republic of Korea CpR S&T Co. Ltd.Gunpo 15880Republic of Korea Department of Agroindustrial Technology Faculty of Agricultural TechnologyUniversitas BrawijayaMalang 65145Indonesia Renewable Resources and Enabling Sciences Center National Renewable Energy LaboratoryGoldenCO 80401United States Center for Bio-based Chemistry Korea Research Institute of Chemical TechnologyUlsan 44429Republic of Korea

Lignocellulosic nanofibers(LCNFs),implying lignin-containing cellulose fibers,maintain the prop-erties of both lignin and cellulose,which are hydrophobic and hydrophilic,*** pres-ence of hydrophobic lignin in LCNFs is expected to be an economical and attractive option that can improve the thermal and mechanical properties of ***,this study was conducted to produce lignin-rich LCNFs from sugar-rich waste obtained from rice husks after acidic *** LCNFs were produced from the lignin-rich solid fractions obtained after pretreatment and enzymatic hydrolysis,which were then incorporated as an additive into a chitosan-based *** variations in lignin content in the range of approximately 50.6%-66.8%in differently obtained LCNFs gave significantly different optical strengths and mechanical *** controllable processes may allow for customized film ***,the glucose-rich liquid fractions obtained after pretreatment and enzymatic hydrolysis were used as a substrate for ethanol fermentation to achieve total utilization of rice husk biomass *** conclusion,the lignin-rich biomass fraction holds promise as a suitable material for chitosan-LCNF film and has the potential to increase the economic feasibility of the biomaterial industry.

关键词： Rice husk Lignocellulose nanofiber Lignin-based material Chitosan film Upcycling

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2020 Vision for Biology： The Role of plants in Addressing Grand Challenges in Biology

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Molecular plant 2008年第4期1卷 561-563页

作者： natasha Raikhel University of California Riverside United States

In November 1998, a group of scientists met in palo Alto, California, at an NSF-sponsored workshop to discuss the grand challenges facing biology at that time. Their primary aim was to identify areas in which plant science could provide important and lasting contributions to addressing these challenges. A key recommendation from their report was to focus sufficient resources on the reference plant Arabidopsis to be able to exploit fully its soon to be completed genome sequence. Nine years later, as we near completion of the 2010 program, it is appropriate to step back,

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Amalgamated gold-nanoalloys with enhanced catalytic activity for the detection of mercury ions(Hg^2+)in seawater samples

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Nano Research 2020年第4期13卷 989-998页

作者： natasha Logan Claire McVey Christopher Elliott Cuong Cao Institute for Global Food Security School of Biological SciencesQueens University Belfast19 Chlorine GardensBelfastBT95DLUK Material and Advanced Technologies for Healthcare Queens University Belfast18-30 Malone RoadBelfastBT95BNUK

Mercury(Hg)is extremely toxic,and continues to cause major threats to aquatic life,human health and the ***^2+mainly derives from seawater as a product of atmospheric deposition,therefore there is great demand for sensing approaches that can detect Hg^2+in seawater ***,we demonstrate that the peroxidase-mimicking activity of gold nanoparticles(AuNps)or so-called nanozymes,can be exploited for the detection of Hg^2+ions in various water *** a high electrolyte environment,the catalytic activity for the oxidation of 3,3’,5,5’-tetramethylbenzidine(TMB)was significantly diminished due to poor stability of the *** activity was reduced by-73.7%when the NaCl concentration was higher than 1.168%,which is much lower than that of seawater(-3.5%),thus presenting its unsuitability for detecting Hg^2+in harsh water *** overcome this limitation,AuNps were first functionalized with oligo-ethylene glycol(OEG),of which their colloidal form presented high stability in NaCl concentrations up to 20%and across a wide range of pHs from ***,the catalytic activity of OEG-AuNps for the oxidation of TMB was strongly suppressed by the coating,but enhanced upon formation of Au-Hg *** novel finding underlies a straightforward,sensitive,and highly selective detection platform for Hg^2+in water *** approach could detect the exposure limit level for Hg^2+in drinking water(i.e.,2 ppb for tap and bottled water)as set by the United States Environmental protection Agency(EpA)and the World Health Organization(WHO).When Hg^2+was spiked into a 3.5%saline solution and a coastal seawater certified reference material(CRM),the detection limits were found to be 10 ancM 3 ppb,respectively,which exceed the Hg^2+concentrations commonly found within seawater(-60-80 ppb).The whole procedure takes less than 45 min to conduct,providing a highly innovative,rapid and low-cost approach for detecting Hg^2+in complex water matrices.

关键词： gold nanoparticles nanozyme peroxidase-like mercury detection w ater samples seawater

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Monitoring magnesium degradation using microdialysis and fabric-based biosensors

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Science China Materials 2018年第4期61卷 643-651页

作者： M.Su natasha Radha S.p.Malon Dedy H.B.Wicaksono Emma p.Córcoles Hendra Hermawan Faculty of Biosciences and Medical Engineering Universiti Teknologi Malaysia Faculty of Science and Technology Universiti Kebangsaan Malaysia Department of Biomedical Engineering Faculty of Life Sciences and Technology Swiss German University Instituto de Microelectrónica de Barcelona (IMB-CNM) CSIC Campus UAB Department of Mining Metallurgical and Materials Engineering & CHU de Québec Research Center

This paper describes the development of a monitoring system capable of detecting the concentration of magnesium ions(Mg^(2+)) released during the degradation of magnesium implants. The system consists of a microdialysis probe that samples fluid adjacent to the implant and a catalytic biosensor specific to Mg^(2+)ions. The biosensor was fabricated on a cotton fabric platform, in which a mixture of glycerol kinase and glycerol-3-phosphate oxidase enzymes was immobilized on the fabric device via a simple matrix entrapment technique of the cotton fibers. pure magnesium was used as the implant material. Subsequently, the concentration of ions released from the degradation of the magnesium specimen in Ringer's solution was evaluated using cyclic voltammetry technique. The device demonstrated a pseudo-linear response from 0.005 to 0.1 mmol L^(-1) with a slope of 67.48 μA mmol^(-1) L. Detectable interfering species were lesser than 1%indicating a high selectivity of the fabric device. Furthermore,the device requires only 3 μL of fluid sample to complete the measurement compared to spectroscopic method(±50 μL),hence providing a higher temporal resolution and reduced sampling time. The system could potentially provide a real time assessment of the degradation behavior, a new studied aspect in biodegradable metals research.

关键词： biodegradable metal biosensor fabric device magnesium microdialysis

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Trans-Golgi Network-An Intersection of Trafficking Cell Wall Components

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Journal of Integrative plant Biology 2012年第11期54卷 875-886页

作者： natasha Worden Eunsook park Georgia Drakakaki Department of plant Sciences University of CaliforniaDavis 95616USA

The cell wall, a crucial cell compartment, is composed of a network of polysaccharides and proteins, providing structural support and protection from external stimuli.

关键词： Cell wall chemical genomics endomembrane trafficking trans-Golgi network vesicle proteomics.

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Evidence for using a dual COX 1/2 and 5-LOX inhibitor in neurodegenerative diseases

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Neural Regeneration Research 2017年第7期12卷 1077-1078页

作者： natasha Irrera Alessandra Bitto Department of Clinical and Experimental Medicine University of Messina Messina Italy

A complex network of factors contributes to neuroinflammation,such as infections,brain injuries and accumulation of toxic metabolites（Gendelman,2002）.Eicosanoids and several cytokines are the main mediators of inflammatory process;in fact,when an inflammatory condition persists,it can be responsible for the progression of degenerative diseases,

关键词： COX LOX in Evidence for using a dual COX 1/2 and 5-LOX inhibitor in neurodegenerative diseases for

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Investigating Additional Cochlear parameters: A follow-up systematic review and meta-analysis

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Journal of Otology 2024年第3期19卷 178-183页

作者： Deven p.Curtis Anthony N.Baumann natasha Salmen Anita Jeyakumar Northeast Ohio Medical University RootstownOHUSA Bon Secours Mercy Health YoungstownOHUSA

Objectives:The movement towards personalization of cochlear implantation has continued to generate interest about variabilities in cochlear *** a recent metaanalysis,Atalay et al.(2022)examined organ of corti length,cochlear lateral wall,and“A”value and found that most covariates,other than congenital sensorineural hearing loss,did not impact cochlear size via these ***,no meta-analysis exists on how patient-specific variables could impact other cochlear size measurements,such as cochlear height(CH),and“B”value(defined as the distance between opposite lateral walls and perpendicular to“A”value).The purpose of this systematic review and meta-analysis is to examine how patient-specific variables impact additional cochlear size measurements to assist clinical *** reviewed:A systematic review for cochlear size measurements using pRISMA methodology was performed using pubMed,CINAHL,and MEDLINE from database inception to October 1st,***:Search terms used included English,cochlea,size,histology,anatomy,and *** criteria were measurements for human cochlea,full-text articles,and articles in *** measurements were“B”value and CH,as these measurements differ from the recent meta-analysis on this *** duct length(CDL)was also included.A random-effects continuous model for meta-analysis was *** were stratified by gender(male/female)and disease type(sensorineural hearing loss(SNHL)/conductive hearing loss(CHL)).Results:A total of 7 articles met final inclusion criteria from a total of 674 articles received on initial search,resulting in 2263 total human *** was a statistical difference between male CDL(n=681 cochlea)compared to female CDL(n=657)from four articles(p<0.001;Cohen’s d effect size(ES):0.421;95%confidence intervals(CI):0.171,0.671).The frequency weighted mean for male CDL was 33.5 mm±1.8 mm and the frequency weighted mean for female CDL was 32.4 mm±1.5 mm w

关键词： anatomy analysis walls

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pediatric ocular nanomedicines：Challenges and opportunities

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Chinese Chemical Letters 2017年第9期28卷 1817-1821页

作者： natasha D.Sheybani Hu Yang Department of Biomedical Engineering Virginia Commonwealth University Richmond VA 23284. United States Department of Chemical & Life Science Engineering. Virginia Commonwealth University Richmond VA 23219. United States Department of pharmaceutics Virginia Commonwealth University Richmond VA 23298. United States Massey Cancer Center. Virginia Commonwealth University Richmond VA 23298. United States

The eye is a highly complex,yet readily accessible organ within the human *** such,the eye is an appealing candidate target for a vast array of drug *** advances in ocular drug therapy research,the focus on pediatric ocular drug delivery continues to be highly underrepresented due to the limited number of degenerative ocular diseases with childhood *** this review,we explore more deeply the reasons underlying the disparity between ocular therapies available for children and for adults by highlighting diseases that most commonly afflict children（with focus on the anterior eye） and existing prognoses,recent developments in ocular drug delivery systems and nanomedicines for children,and barriers to use for pediatric patients

关键词： pediatric Ocular drug delivery Nanomedicine Drug administration Compliance

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Biology and architecture:An ongoing hybridization of scientific knowledge and design practice by six architectural offices in France

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Frontiers of Architectural Research 2021年第2期10卷 240-262页

作者： natasha Chayaamor-Heil Louis Vitalis UMR MAp-MAACC CNRS National Architecture School of Paris La VilletteParisFrance

As a highly interdisciplinary field,architecture is being influenced by many subjects of natural and social *** despite being apparently distant from architecture is currently a scientific field blending into design practices,which have evolved and shifted towards a new hybrid *** this article,we present an emerging design field of what we categorize as biomimetic architecture pioneering by six architectural offices in *** observe the impact of scientific researches on design processes and practices through six case studies led by these offices,which can be seen through the actors who involved in various types of interdisciplinary collaborations,through the competencies of the architect himself,and through new sources of ideas coming from biological sciences and related *** propose to use a classification of theoretical uses in modeling practice to better understand the role that biological knowledge plays in architectural design ***,the result of this analysis shows that the use of biology taking place in a design space has external purposes,which transform it to produce engineering devices or urban schemes rather than architectural *** also shows that biology in architectural design induces other kinds of non-biological knowledge,is not strictly theoretical and could be obsolete or *** findings lead to an epistemological discussion concerning the confusion between biological,knowledge,and architectural design‘know-how’.

关键词： Biology Biomimetic architecture Architectural design Hybridization Design epistemology Research-practice

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Forcing biological sciences into architectural design: On conceptual confusions in the field of biomimetic architecture

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Frontiers of Architectural Research 2022年第2期11卷 179-190页

作者： Louis Vitalis natasha Chayaamor-Heil UMR MAp-MAACC CNRS National Architecture School of Paris La VilletteParisFrance

Certain confusion may be observed in the field of biomimetic architecture,as it emerges at the crossroad of two disciplinary domains:architectural design and biological *** biomimetics is defined as a science,once it is applied to architecture,biomimetic architecture should logically be defined as a science *** assertion collides with the nature of architectural design,which may rather be defined as a technology:its aim is to transform the world,not to explain *** the one hand,there is no obvious relationship between architecture and life *** the other hand,the biomimetic approach tends to redefine the concept of science itself by seeking to avoid the excesses of ***,existing applications of biomimetic design show that it is difficult to observe a genuine biomimetic architecture;most cases are closer to engineering component or urban planning and sometimes they involve little or no life *** aim of this paper is to describe this conceptual confusion through two movements called“forcings”,occurring between design and *** forcings are conceptualised as shifts between constructed scientific objects and given empirical ***,used in biology as in architecture,allow these shifts by virtue of their double *** are both tools for knowledge and for design,thus they may be conceptually forced into what they are not supposed to be,particularly in the field of biomimetic architecture where design process and scientific knowledge are said to meet.

关键词： Biomimetic architecture Architectural design Epistemology Design with biology Modeling theory

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