SERS activity of hybrid nano/microstructures Ag-Fe3O4 based on Dimorphotheca ecklonis pollen grains as bio-template.

Abstract:

:Nature provides remarkable examples of mass-produced microscale particles with structures and chemistries optimized by evolution for particular functions. Synthetic chemical tailoring of such sustainable biogenic particles may be used to generate new multifunctional materials. Herein, we report a facile method for the synthesis of hybrid nano/microstructures Ag-Fe3O4 based on Dimorphotheca ecklonis pollen grains as bio-template. Silver nanoparticles was biosynthesized using pollen grains as a reduction and stabilization agent as well as a bio-template promoting the adhesion of silver nanoparticles to pollen surface. Fe3O4 nanoparticles were synthesized by co-precipitation method from FeSO4. Hybrid nano/microstructures Ag-Fe3O4 based on Dimorphotheca ecklonis pollen grains as bio-template were obtained and characterized using Scanning Electron Microscopy and Transmission Electron Microscopy to study the morphology and structure; Energy-Dispersive X-ray Spectroscopy to determine the chemical composition distribution; and Confocal Fluorescence Microscopy to demonstrate the fluorescence properties of hybrid nano-microstructures. Furthermore, these hybrid nano-microstructures have been studied by Surface-Enhanced Raman Scattering (SERS), using methylene blue as a target molecule; the hybrid nano-microstructures have shown 14 times signal amplification.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Ávila-Avilés RD,Torres-Gómez N,Camacho-López MA,Vilchis-Nestor AR

doi

10.1038/s41598-020-73615-x

subject

Has Abstract

pub_date

2020-10-06 00:00:00

pages

16633

issue

1

issn

2045-2322

pii

10.1038/s41598-020-73615-x

journal_volume

10

pub_type

杂志文章
  • Optimizing rice plant photosynthate allocation reduces N2O emissions from paddy fields.

    abstract::Rice paddies are a major source of anthropogenic nitrous oxide (N2O) emissions, especially under alternate wetting-drying irrigation and high N input. Increasing photosynthate allocation to the grain in rice (Oryza sativa L.) has been identified as an effective strategy of genetic and agronomic innovation for yield en...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep29333

    authors: Jiang Y,Huang X,Zhang X,Zhang X,Zhang Y,Zheng C,Deng A,Zhang J,Wu L,Hu S,Zhang W

    更新日期:2016-07-05 00:00:00

  • Surface enhanced Raman spectroscopy of Chlamydia trachomatis and Neisseria gonorrhoeae for diagnostics, and extra-cellular metabolomics and biochemical monitoring.

    abstract::SERS spectra excited at 785 nm of the bacteria Chlamydia trahomatis (elementary bodies, EB) and Neisseria gonorrheoae, the causative pathogens for the two most common sexually transmitted diseases (STD), chlamydia and gonorrhea, respectively, are reported. Although both are Gram-negative bacteria, the SERS signatures ...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-23562-5

    authors: Chen Y,Premasiri WR,Ziegler LD

    更新日期:2018-03-26 00:00:00

  • Arachidonic acid enhances caffeine-induced cell death via caspase-independent cell death.

    abstract::Caffeine is a globally consumed psychostimulant but can be fatal to cells at overdose exposures. Although caspase-dependent apoptosis plays a role in caffeine-induced cell death, the responsible intracellular signalling cascade remains incompletely understood. The cellular slime mould, Dictyostelium discoideum, does n...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep00577

    authors: Kuwayama H

    更新日期:2012-01-01 00:00:00

  • Structural features distinguishing infectious ex vivo mammalian prions from non-infectious fibrillar assemblies generated in vitro.

    abstract::Seeded polymerisation of proteins forming amyloid fibres and their spread in tissues has been implicated in the pathogenesis of multiple neurodegenerative diseases: so called "prion-like" mechanisms. While ex vivo mammalian prions, composed of multichain assemblies of misfolded host-encoded prion protein (PrP), act as...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-36700-w

    authors: Terry C,Harniman RL,Sells J,Wenborn A,Joiner S,Saibil HR,Miles MJ,Collinge J,Wadsworth JDF

    更新日期:2019-01-23 00:00:00

  • Ecophysiological consequences of alcoholism on human gut microbiota: implications for ethanol-related pathogenesis of colon cancer.

    abstract::Chronic consumption of excess ethanol increases the risk of colorectal cancer. The pathogenesis of ethanol-related colorectal cancer (ER-CRC) is thought to be partly mediated by gut microbes. Specifically, bacteria in the colon and rectum convert ethanol to acetaldehyde (AcH), which is carcinogenic. However, the effec...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep27923

    authors: Tsuruya A,Kuwahara A,Saito Y,Yamaguchi H,Tsubo T,Suga S,Inai M,Aoki Y,Takahashi S,Tsutsumi E,Suwa Y,Morita H,Kinoshita K,Totsuka Y,Suda W,Oshima K,Hattori M,Mizukami T,Yokoyama A,Shimoyama T,Nakayama T

    更新日期:2016-06-13 00:00:00

  • Abrogation of Marek's disease virus replication using CRISPR/Cas9.

    abstract::Marek's disease virus (MDV) is a highly cell-associated alphaherpesvirus that causes deadly lymphomas in chickens. While vaccination protects against clinical symptoms, MDV field strains can still circulate in vaccinated flocks and continuously evolve towards greater virulence. MDV vaccines do not provide sterilizing ...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-67951-1

    authors: Hagag IT,Wight DJ,Bartsch D,Sid H,Jordan I,Bertzbach LD,Schusser B,Kaufer BB

    更新日期:2020-07-02 00:00:00

  • Lentiviral shRNA against KCa3.1 inhibits allergic response in allergic rhinitis and suppresses mast cell activity via PI3K/AKT signaling pathway.

    abstract::Calcium-activated potassium ion channel-3.1 (KCa3.1) plays a pivotal role in the potassium-calcium exchange involved in atopy. This study aimed to explore the impact of lentiviral-mediated shRNA silencing KCa3.1 on allergic response in a murine allergic rhinitis (AR) model. The BALB/c mice were divided into four group...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep13127

    authors: Lin H,Zheng C,Li J,Yang C,Hu L

    更新日期:2015-08-14 00:00:00

  • Electrically Enhanced Self-Thermophoresis of Laser-Heated Janus Particles under a Rotating Electric Field.

    abstract::The motion of a laser-heated Janus particle is experimentally measured under a rotating electric field. Directionally circular motions of the Janus particle following or countering the direction of the rotating electric field are observed in the low-frequency region (from 1 to 6 kHz) depending on the direction of elec...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-24343-w

    authors: Chen YL,Yang CX,Jiang HR

    更新日期:2018-04-13 00:00:00

  • Acid-sensing ion channel 1a contributes to hippocampal LTP inducibility through multiple mechanisms.

    abstract::The exact roles of acid-sensing ion channels (ASICs) in synaptic plasticity remain elusive. Here, we address the contribution of ASIC1a to five forms of synaptic plasticity in the mouse hippocampus using an in vitro multi-electrode array recording system. We found that genetic deletion or pharmacological blockade of A...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep23350

    authors: Liu MG,Li HS,Li WG,Wu YJ,Deng SN,Huang C,Maximyuk O,Sukach V,Krishtal O,Zhu MX,Xu TL

    更新日期:2016-03-21 00:00:00

  • Effective time- and frequency-domain techniques for interpreting seismic precursors in groundwater level fluctuations on Jeju Island, Korea.

    abstract::An effective method, involving time and frequency domains was developed to interpret seismic precursors by comparing groundwater-level fluctuations recorded immediately and long before the occurrence of a known earthquake. The proposed method, consisting of the pre-processing (3-point filtering, band-pass filtering, a...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-64586-0

    authors: Hwang HS,Hamm SY,Cheong JY,Lee SH,Ha K,Lee C,Woo NC,Yun SM,Kim KH

    更新日期:2020-05-12 00:00:00

  • The effect of bone inhibitors on periosteum-guided cartilage regeneration.

    abstract::The regeneration capacity of knee cartilage can be enhanced by applying periosteal grafts, but this effect varies depending on the different sources of the periosteal grafts applied for cartilage formation. Tibia periosteum can be used to enhance cartilage repair. However, long-term analysis has not been conducted. Th...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-65448-5

    authors: Hsiao HY,Cheng CM,Kao SW,Liu JW,Chang CS,Harhaus L,Huang JJ

    更新日期:2020-05-20 00:00:00

  • One-Pot Synthesis of GeAs Ultrafine Particles from Coal Fly Ash by Vacuum Dynamic Flash Reduction and Inert Gas Condensation.

    abstract::Ge-monopnictides (GeAs) plays critical role in high-tech industry, especially in the field of advanced optical devices and infrared. As a secondary material, coal fly ash could be further recycled to retrieve germanium and prepare GeAs material with high added values. Hence, the aim of this paper is to propose a one-p...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-017-03398-1

    authors: Zhang L,Xu Z

    更新日期:2017-06-16 00:00:00

  • Applicability of a duplex and four singleplex real-time PCR assays for the qualitative and quantitative determination of wild boar and domestic pig meat in processed food products.

    abstract::Appropriate analytical methods are needed for the detection of food authentication. We investigated the applicability of a duplex real-time PCR assay targeting chromosome 1 and two singleplex real-time PCR assays targeting chromosome 9, both published recently, for the qualitative and quantitative determination of wil...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-72655-7

    authors: Kaltenbrunner M,Mayer W,Kerkhoff K,Epp R,Rüggeberg H,Hochegger R,Cichna-Markl M

    更新日期:2020-10-14 00:00:00

  • Influence of dietary supplementation with Bacillus licheniformis and Saccharomyces cerevisiae as alternatives to monensin on growth performance, antioxidant, immunity, ruminal fermentation and microbial diversity of fattening lambs.

    abstract::Alternatives to antibiotics for improving productivity and maintaining the health of livestock health are urgently needed. The scope of this research was conducted to investigate the effects of two alternatives (Bacillus licheniformis and Saccharomyces cerevisiae) to monensin on growth performance, antioxidant capacit...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-35081-4

    authors: Jia P,Cui K,Ma T,Wan F,Wang W,Yang D,Wang Y,Guo B,Zhao L,Diao Q

    更新日期:2018-11-12 00:00:00

  • The cellular and molecular determinants of emphysematous destruction in COPD.

    abstract::The introduction of microCT has made it possible to show that the terminal bronchioles are narrowed and destroyed before the onset of emphysematous destruction in COPD. This report extends those observations to the cellular and molecular level in the centrilobular phenotype of emphysematous destruction in lungs donate...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-017-10126-2

    authors: Suzuki M,Sze MA,Campbell JD,Brothers JF 2nd,Lenburg ME,McDonough JE,Elliott WM,Cooper JD,Spira A,Hogg JC

    更新日期:2017-08-25 00:00:00

  • ZeBRα a universal, multi-fragment DNA-assembly-system with minimal hands-on time requirement.

    abstract::The recently evolved field of synthetic biology has revolutionized the way we think of biology as an "engineerable" discipline. The newly sprouted branch is constantly in need of simple, cost-effective and automatable DNA-assembly methods. We have developed a reliable DNA-assembly system, ZeBRα (Zero-Background Redα),...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-019-39768-0

    authors: Richter D,Bayer K,Toesko T,Schuster S

    更新日期:2019-02-27 00:00:00

  • Increased sensitivity of BRCA defective triple negative breast tumors to plumbagin through induction of DNA Double Strand Breaks (DSB).

    abstract::We have earlier shown that Plumbagin (PB) can induce selective cytotoxicity to BRCA1 defective ovarian cancer cells; however, the effect of this molecule in BRCA1 mutated breast cancers has not been analyzed yet. Here, we report that reactive oxygen species (ROS) induced by PB resulted in DNA DSB and activates downstr...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep26631

    authors: Nair RS,Kumar JM,Jose J,Somasundaram V,Hemalatha SK,Sengodan SK,Nadhan R,Anilkumar TV,Srinivas P

    更新日期:2016-05-25 00:00:00

  • Author Correction: Application of biosurfactant from Bacillus subtilis C9 for controlling cladoceran grazers in algal cultivation systems.

    abstract::An amendment to this paper has been published and can be accessed via a link at the top of the paper. ...

    journal_title:Scientific reports

    pub_type: 已发布勘误

    doi:10.1038/s41598-020-60509-1

    authors: Yun JH,Cho DH,Lee B,Kim HS,Chang YK

    更新日期:2020-02-20 00:00:00

  • Prognostic effect of high-density lipoprotein cholesterol level in patients with atherosclerotic cardiovascular disease under statin treatment.

    abstract::In patients with atherosclerotic cardiovascular disease (ASCVD) under statin treatment, the influence of on-treatment level of high-density lipoprotein cholesterol (HDL-C) on cardiovascular (CV) events is controversial. Statin-treated patients were selected from the Taiwanese Secondary Prevention for patients with Ath...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-78828-8

    authors: Li YH,Tseng WK,Yin WH,Lin FJ,Wu YW,Hsieh IC,Lin TH,Sheu WH,Yeh HI,Chen JW,Wu CC,Taiwanese Secondary Prevention for Patients with AtheRosCLErotic Disease (T-SPARCLE) Registry Investigators.

    更新日期:2020-12-14 00:00:00

  • Less is more: Avoiding the LIBS dimensionality curse through judicious feature selection for explosive detection.

    abstract::Despite its intrinsic advantages, translation of laser induced breakdown spectroscopy for material identification has been often impeded by the lack of robustness of developed classification models, often due to the presence of spurious correlations. While a number of classifiers exhibiting high discriminatory power h...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep13169

    authors: Kumar Myakalwar A,Spegazzini N,Zhang C,Kumar Anubham S,Dasari RR,Barman I,Kumar Gundawar M

    更新日期:2015-08-19 00:00:00

  • Comparative analysis of the tonsillar microbiota in IgA nephropathy and other glomerular diseases.

    abstract::Immunoglobulin A nephropathy (IgAN) involves repeated events of gross haematuria with concurrent upper airway infections. The mucosal immune system, especially the tonsil, is considered the initial site of inflammation, although the role of the tonsillar microbiota has not been established in IgAN. In this study, we c...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-73035-x

    authors: Park JI,Kim TY,Oh B,Cho H,Kim JE,Yoo SH,Lee JP,Kim YS,Chun J,Kim BS,Lee H

    更新日期:2020-10-01 00:00:00

  • Intensity of vortices: from soap bubbles to hurricanes.

    abstract::By using a half soap bubble heated from below, we obtain large isolated single vortices whose properties as well as their intensity are measured under different conditions. By studying the effects of rotation of the bubble on the vortex properties, we found that rotation favors vortices near the pole. Rotation also in...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep03455

    authors: Meuel T,Xiong YL,Fischer P,Bruneau CH,Bessafi M,Kellay H

    更新日期:2013-12-13 00:00:00

  • Crystal structures reveal N-terminal Domain of Arabidopsis thaliana ClpD to be highly divergent from that of ClpC1.

    abstract::The caseinolytic protease machinery associated chaperone protein ClpC is known to be present in bacteria, plants and other eukaryotes, whereas ClpD is unique to plants. Plant ClpC and ClpD proteins get localized into chloroplast stroma. Herein, we report high resolution crystal structures of the N-terminal domain of A...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep44366

    authors: Mohapatra C,Kumar Jagdev M,Vasudevan D

    更新日期:2017-03-13 00:00:00

  • Artificial modulation of cell width significantly affects the division time of Escherichia coli.

    abstract::Bacterial cells have characteristic spatial and temporal scales. For instance, Escherichia coli, the typical rod-shaped bacteria, always maintains a relatively constant cell width and cell division time. However, whether the external physical perturbation of cell width has an impact on cell division time remains large...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-020-74778-3

    authors: Liang B,Quan B,Li J,Loton C,Bredeche MF,Lindner AB,Xu L

    更新日期:2020-10-20 00:00:00

  • Mesenchymal stem cell-mediated Notch2 activation overcomes radiation-induced injury of the hematopoietic system.

    abstract::Radiation exposure severely damages the hematopoietic system. Although several radio-protectors have been proposed to prevent radiation-induced damage, most agents have limited efficacy. In the present study, we investigated whether mesenchymal stem cells (MSCs) could contribute to the expansion of hematopoietic cells...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-27666-w

    authors: Kim A,Shim S,Kim MJ,Myung JK,Park S

    更新日期:2018-06-18 00:00:00

  • Allocation of photosynthesized carbon in an intensively farmed winter wheat-soil system as revealed by 14CO2 pulse labelling.

    abstract::Understanding the rhizodeposited carbon (C) dynamics of winter wheat (Triticum aestivum L.), is crucial for soil fertility and C sequestration. Pot-grown winter wheat was pulse labelled with 14CO2 at the key growth stages. 14C in the shoots, roots and soil was measured at 5 or 2 days after 14C-labelling (DAL 5/2) at e...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-21547-y

    authors: Sun Z,Chen Q,Han X,Bol R,Qu B,Meng F

    更新日期:2018-02-16 00:00:00

  • Mobile fluxons as coherent probes of periodic pinning in superconductors.

    abstract::The interaction of (quasi)particles with a periodic potential arises in various domains of science and engineering, such as solid-state physics, chemical physics, and communication theory. An attractive test ground to investigate this interaction is represented by superconductors with artificial pinning sites, where m...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-017-14232-z

    authors: Dobrovolskiy OV,Huth M,Shklovskij VA,Vovk RV

    更新日期:2017-10-23 00:00:00

  • Alternative splicing complexity contributes to genetic improvement of drought resistance in the rice maintainer HuHan2B.

    abstract::Water-saving and drought-resistantce rice (WDR) breeding practices have greatly increased grain yield and drought resistance. To study the genetic basis of adaptation to drought, transcriptome sequences from the WDR maintainer line HuHan2B and the recurrent parent HanFengB were analyzed for alternative splicing (AS) c...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-017-12020-3

    authors: Wei H,Lou Q,Xu K,Yan M,Xia H,Ma X,Yu X,Luo L

    更新日期:2017-09-15 00:00:00

  • The reduced activity of PP-1α under redox stress condition is a consequence of GSH-mediated transient disulfide formation.

    abstract::Heart failure is the most common cause of morbidity and hospitalization in the western civilization. Protein phosphatases play a key role in the basal cardiac contractility and in the responses to β-adrenergic stimulation with type-1 phosphatase (PP-1) being major contributor. We propose here that formation of transie...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/s41598-018-36267-6

    authors: Singh S,Lämmle S,Giese H,Kämmerer S,Meyer-Roxlau S,Alfar EA,Dihazi H,Guan K,El-Armouche A,Richter F

    更新日期:2018-12-07 00:00:00

  • Self-biased 215 MHz magnetoelectric NEMS resonator for ultra-sensitive DC magnetic field detection.

    abstract::High sensitivity magnetoelectric sensors with their electromechanical resonance frequencies < 200 kHz have been recently demonstrated using magnetostrictive/piezoelectric magnetoelectric heterostructures. In this work, we demonstrate a novel magnetoelectric nano-electromechanical systems (NEMS) resonator with an elect...

    journal_title:Scientific reports

    pub_type: 杂志文章

    doi:10.1038/srep01985

    authors: Nan T,Hui Y,Rinaldi M,Sun NX

    更新日期:2013-01-01 00:00:00