Abstract:
:Magnetic nanospheres are versatile candidates for both fundamental and practical applications. Before they are applied in more complicated fields, their surface must be modified by several functionalities. However, the surface modification can be affected by the magnetic nanoparticles (MNP) embedded in the polymer matrix. Herein, the synthesis of poly(acrylic acid) coated magnetic nanospheres via a multiple polymerization route is described. During the synthesis process, seed emulsion polymerization was applied to redistribute the MNP in the polymer matrix, and the relationship between the structure of magnetic nanospheres and the thickness of the grafted poly(acrylic acid) layer was investigated. The development of size, morphology and magnetic properties of the nanospheres were characterized by transmission electron microscopy, dynamic light scattering, thermogravimetric analysis, X-ray diffraction and vibrating sample magnetometry. This work would pave the way to design and preparation of new structure of functional magnetic nanospheres with precise surface modification.
journal_name
R Soc Open Scijournal_title
Royal Society open scienceauthors
Li K,Chen K,Wang Q,Zhang Y,Gan Wdoi
10.1098/rsos.190141subject
Has Abstractpub_date
2019-07-10 00:00:00pages
190141issue
7issn
2054-5703pii
rsos190141journal_volume
6pub_type
杂志文章abstract::The Internet not only has changed the dynamics of our collective attention but also through the transactional log of online activities, provides us with the opportunity to study attention dynamics at scale. In this paper, we particularly study attention to aircraft incidents and accidents using Wikipedia transactional...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.160460
更新日期:2016-10-12 00:00:00
abstract::Nano-size EVONIK AEROXIDE® P25 titanium dioxide, TiO2, powder was heat-treated at temperatures, 700-900°C, in air. An X-ray diffraction study showed that the P25 powder is composed of approximately 20 and approximately 80 mass% of rutile and anatase phases, respectively. It was also shown that the transformation from ...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.191539
更新日期:2020-01-15 00:00:00
abstract::The aim of this study was to obtain an electrochemical device between the electrostatic interaction of the electropolymerized porphyrin {CoTPyP[RuCl3(dppb)]4}, where TPyP = 5,10,15, 20-tetrapyridilphorphyrin and dppb = 1,4-bis(diphenylphosphino)butane, and gold nanoparticles (AuNPsn-), to be used as a voltammetric sen...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170675
更新日期:2017-12-20 00:00:00
abstract::Anastasis is a natural cell recovery phenomenon that rescues cells from the brink of death. Programmed cell death such as apoptosis has been traditionally assumed to be an intrinsically irreversible cascade that commits cells to a rapid and massive demolition. Interestingly, recent studies have demonstrated recovery o...
journal_title:Royal Society open science
pub_type: 杂志文章,评审
doi:10.1098/rsos.180442
更新日期:2018-09-19 00:00:00
abstract::Artificial microswimmers powered by magnetic fields have numerous applications, such as drug delivery, biosensing for minimally invasive medicine and environmental remediation. Recently, a Janus microdimer surface walker that can be propelled by an oscillating magnetic field near a surface was reported by Li et al. (A...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.200378
更新日期:2020-12-09 00:00:00
abstract::This study aimed to investigate effects of thermal treatments on major phenolics and their antioxidant contributions in Acer truncatum leaves and flowers (ATL and ATF, respectively). With ultra performance liquid chromatography-diode array detector-quadrupole time-of-flight-mass spectrometer/mass spectrometer, phenoli...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.180364
更新日期:2018-06-27 00:00:00
abstract::Online evolution of behavioural control on real robots is an open-ended approach to autonomous learning and adaptation: robots have the potential to automatically learn new tasks and to adapt to changes in environmental conditions, or to failures in sensors and/or actuators. However, studies have so far almost exclusi...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.160938
更新日期:2017-07-26 00:00:00
abstract::The appearance and shape of sesamoid bones within a tendon or ligament wrapping around a joint are understood to be influenced by both genetic and epigenetic factors. Ostriches (Struthio camelus) possess two sesamoid patellae (kneecaps), one of which (the distal patella) is unique to their lineage, making them a good ...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170133
更新日期:2017-06-07 00:00:00
abstract::Despite a diversity of about 10 000 extant species, the sophisticated avian 'body plan' has not much changed once it was achieved around 160 Ma after the origin of powered flight. All birds are bipedal having wings, a rigid trunk, a short and ossified tail, a three-segmented leg and digitigrade feet. The avian neck, h...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.181588
更新日期:2019-05-08 00:00:00
abstract::Biodiversity and ecosystem functioning (BEF) research has progressed from the detection of relationships to elucidating their drivers and underlying mechanisms. In this context, replacing taxonomic predictors by trait-based measures of functional composition (FC)-bridging functions of species and of ecosystems-is a wi...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.140541
更新日期:2015-03-25 00:00:00
abstract::Humans are often considered egocentric creatures, particularly (and ironically) when we are supposed to take another person's perspective over our own (i.e. when we use our theory of mind). We investigated the underlying causes of this phenomenon. We gave young adult participants a false belief task (Sandbox Task) in ...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.181355
更新日期:2018-11-07 00:00:00
abstract::A unique organosiloxane-polyether amine (OPA) was produced and used as mesoporogen to efficiently synthesize hierarchical ZSM-5 zeolites with great mesoporosity. We have employed silica sol and tetraethylorthosilicate, respectively, to investigate the influence of different silicon sources on hierarchical zeolites in ...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.181691
更新日期:2018-12-12 00:00:00
abstract::Quantum computers are expected to have a dramatic impact on numerous fields due to their anticipated ability to solve classes of mathematical problems much more efficiently than their classical counterparts. This particularly applies to domains involving integer factorization and discrete logarithms, such as public ke...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.180410
更新日期:2018-06-20 00:00:00
abstract::Miniaturized accelerometers are necessary for evaluating the performance of small devices, such as haptics, robotics and simulators. In this study, we fabricated miniaturized accelerometers using well-aligned ZnO nanowires. The layer of ZnO nanowires is used for active piezoelectric layer of the accelerometer, and cop...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170557
更新日期:2017-09-13 00:00:00
abstract::The basic reproduction number R 0 of the coronavirus disease 2019 h...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.200786
更新日期:2020-09-23 00:00:00
abstract::Pre-pubertal boys and girls speak with acoustically different voices despite the absence of a clear anatomical dimorphism in the vocal apparatus, suggesting that a strong component of the expression of gender through the voice is behavioural. Initial evidence for this hypothesis was found in a previous study showing t...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.190656
更新日期:2019-07-17 00:00:00
abstract::The analysis of binary response data commonly uses models linear in the logistic transform of probabilities. This paper considers some of the advantages and disadvantages of simple least-squares estimates based on a linear representation of the probabilities themselves, this in particular sometimes allowing a more dir...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.190067
更新日期:2019-05-01 00:00:00
abstract::Panax ginseng C. A. Meyer (ginseng) has been widely used as a herb and functional food in the world. Polysaccharides are the main active components of ginseng. In this paper, the polysaccharides were sequentially extracted by 50 mM Na2CO3, 1 M KOH and 4 M KOH from ginseng roots treated sequentially with hot water, α-a...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.171644
更新日期:2018-03-14 00:00:00
abstract::In 1665, Huygens observed that two identical pendulum clocks, weakly coupled through a heavy beam, soon synchronized with the same period and amplitude but with the two pendula swinging in opposite directions. This behaviour is now called anti-phase synchronization. This paper presents an analysis of the behaviour of ...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170777
更新日期:2017-09-06 00:00:00
abstract::Recognition plays an important role in the formation and organization of animal groups. Many animals are capable of class-level recognition, discriminating, for example, on the basis of species, kinship or familiarity. Individual recognition requires that animals recognize distinct cues, and learn to associate these w...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.191703
更新日期:2020-07-08 00:00:00
abstract::The mechanical properties of any substance are essential facts to understand its behaviour and make the maximum use of the particular substance. Rocks are indeed an important substance, as they are of significant use in the energy industry, specifically for fossil fuels and geothermal energy. Attenuation of seismic wa...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170896
更新日期:2017-10-11 00:00:00
abstract::The present study introduces thermogravimetry with gas chromatography-mass spectrometry (TG-GC-MS) at four different heating rates to investigate the activation energy and thermal degradation behaviour of walnut shell pyrolysis. The distributed activation energy model (DAEM) was applied to investigate the activation e...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.180331
更新日期:2018-09-12 00:00:00
abstract::Selection among alternative theoretical models given an observed dataset is an important challenge in many areas of physics and astronomy. Reversible-jump Markov chain Monte Carlo (RJMCMC) is an extremely powerful technique for performing Bayesian model selection, but it suffers from a fundamental difficulty and it re...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.150030
更新日期:2015-06-24 00:00:00
abstract::Winnerless coevolution of hosts and parasites could exhibit Red Queen dynamics, which is characterized by parasite-driven cyclic switching of expressed host phenotypes. We hypothesize that the application of antibiotics to suppress the reproduction of parasites can provide an opportunity for the hosts to escape such w...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.180693
更新日期:2018-09-12 00:00:00
abstract::Improving the specific capacity and electronic conductivity of TiO2 can boost its practical application as a promising anode material for lithium ion batteries. In this work, a three-dimensional networking oxygen-deficient nano TiO2-x/carbon fibre membrane was achieved by combining the electrospinning process with a h...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170323
更新日期:2017-07-12 00:00:00
abstract::The evolution of wing pattern in Lepidoptera is a popular area of inquiry but few studies have examined microlepidoptera, with fewer still focusing on intraspecific variation. The tineid genus Moerarchis Durrant, 1914 includes two species with high intraspecific variation of wing pattern. A subset of the specimens exa...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.161002
更新日期:2017-03-01 00:00:00
abstract::The recent identification of the bio-duck call as Antarctic minke whale (AMW) vocalization allows the use of passive acoustic monitoring to retrospectively investigate year-round spatial-temporal patterns in minke whale occurrence in ice-covered areas. Here, we present an analysis of AMW occurrence patterns based on a...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.192112
更新日期:2020-10-07 00:00:00
abstract::The formation mechanism of pentazolate anion (PZA) is not yet clear. In order to present the possible formation pathways of PZA, the potential energy surfaces of phenylpentazole (PPZ), phenylpentazole radical (PPZ-R), phenylpentazole radical anion (PPZ-RA), PPZ and m-chloroperbenzoic acid (m-CPBA), p-pentazolylphenola...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.172269
更新日期:2018-05-23 00:00:00
abstract::Recent research has provided evidence that mood can spread over social networks via social contagion, but that, in seeming contradiction to this, depression does not. Here, we investigate whether there is evidence for the individual components of mood (such as appetite, tiredness and sleep) spreading through US adoles...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.170336
更新日期:2017-09-20 00:00:00
abstract::Developmental prosopagnosia (DP) is a neurodevelopmental condition, characterized by lifelong face recognition deficits. Leading research groups diagnose the condition using complementary computer-based tasks and self-report measures. In an attempt to standardize the reporting of self-report evidence, we recently deve...
journal_title:Royal Society open science
pub_type: 杂志文章
doi:10.1098/rsos.160923
更新日期:2017-03-01 00:00:00