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Showing 1-30 of 79 results for "56226" within Papers
H B Li et al.
Nanoscale, 4(16), 5082-5091 (2012-07-11)
We have developed simple and green electrochemistry to synthesize Ag nanostructures with high purity, good crystallinity and smooth surface for applications as super-SERS (surface-enhanced Raman scattering), SERS-active substrates and with highly effective antimicrobial activities. This synthesis takes place in a
Esther Jiménez et al.
MicrobiologyOpen, 3(6), 937-949 (2014-10-23)
Bile is a biological fluid synthesized in the liver, stored and concentrated in the gall bladder (interdigestive), and released into the duodenum after food intake. The microbial populations of different parts of mammal's gastrointestinal tract (stomach, small and large intestine)
Ming Li et al.
Journal of biomedical optics, 19(11), 111611-111611 (2014-07-24)
We present a microfluidic surface-enhanced Raman scattering (SERS) sensor for rapid and label-free biomolecular detection. Our sensor design mitigates a common limiting factor in microfluidic SERS sensors that utilize integrated nanostructures: low-efficiency transport of biomolecules to nanostructured surface which adversely
Xian-Fu Zhang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 113, 92-99 (2013-05-30)
The fluorescence and absorption properties of several xanthene and phthalocyanine dyes were measured in the presence and absence of chemically derived graphene (CDG) sheets. The interaction of pyronine Y (PYY) with graphene sheets was compared with that of rhodamine 6G
S R Kavitha et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 133, 472-479 (2014-06-29)
Silver nanoparticles (Ag NPs) of different sizes from 7nm to 22nm have been prepared by simple Dirk and Charles chemical method and characterized using UV-vis spectroscopy and high resolution transmission electron microscopy (HRTEM). Fluorescence quenching of 1,4-dimethoxy-2,3-dimethylanthracene-9,10-dione (DMDMAD) by silver
Ping Wu et al.
Analytical chemistry, 84(18), 7692-7699 (2012-08-29)
The aptamer (S2.2)-guided Ag-Au nanostructures (aptamer-Ag-Au) have been synthesized by photoreduction and validated by ultraviolet-visible light (UV-vis) spectra and transmission electron microscopy (TEM) images. Differential interference contrast (DIC), fluorescence, and TEM images, and surface-enhanced Raman scattering (SERS) spectra indicated that
Jing Chen et al.
Lab on a chip, 12(17), 3096-3102 (2012-06-29)
We demonstrate that silver nanorod (AgNR) array substrates can be used for on-chip separation and detection of chemical mixtures by combining ultra-thin layer chromatography (UTLC) and surface enhanced Raman spectroscopy (SERS). The UTLC-SERS plate consists of an AgNR array fabricated
Ljudmila S Khailova et al.
Biochimica et biophysica acta, 1837(10), 1739-1747 (2014-07-20)
Limited uncoupling of oxidative phosphorylation is known to be beneficial in various laboratory models of diseases. The search for cationic uncouplers is promising as their protonophorous effect is self-limiting because these uncouplers lower membrane potential which is the driving force
Hweon Park et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(3), 837-848 (2014-11-19)
Organization and functions of the nucleolus is maintained by mobilities and interactions of nucleolar factors. Because the nucleolus is a densely packed structure, molecular crowding effects determined by the molecular concentrations and mobilities in the nucleolus should also be important
Radka Míková et al.
PloS one, 9(6), e99173-e99173 (2014-06-10)
Vernix caseosa protects the skin of a human fetus during the last trimester of pregnancy and of a newborn after the delivery. Besides its cellular and proteinaceous components, an important constituent and functional agent is a complex lipid fraction, implicated
Dennis Lambrechts et al.
PloS one, 9(5), e97572-e97572 (2014-05-21)
Bioluminescence imaging assays have become a widely integrated technique to quantify effectiveness of cell-based therapies by monitoring fate and survival of transplanted cells. To date these assays are still largely qualitative and often erroneous due to the complexity and dynamics
Lenka Šubčíková et al.
Journal of chromatography. A, 1378, 8-18 (2015-01-04)
Fatty acid diesters of long-chain 1,2-diols (1,2-DDE), or type II wax diesters, were analyzed in the vernix caseosa of a newborn girl. 1,2-DDE were isolated from the total lipid extract by the semipreparative TLC using plates coated with silica gel.
Weisi Song et al.
ACS nano, 7(1), 689-694 (2012-12-20)
Ion current through a single-walled carbon nanotube (SWCNT) was monitored at the same time as fluorescence was recorded from charged dye molecules translocating through the SWCNT. Fluorescence bursts generally follow ion current peaks with a delay time consistent with diffusion
Soujit Sen Gupta et al.
ACS applied materials & interfaces, 4(8), 4156-4163 (2012-07-14)
This paper describes a green method for the synthesis of graphenic material from cane sugar, a common disaccharide. A suitable methodology was introduced to immobilize this material on sand without the need of any binder, resulting in a composite, referred
Yafei Zhao et al.
Journal of colloid and interface science, 406, 121-129 (2013-06-29)
Halloysite clay has chemical structure similar to kaolinite but it is rolled in tubes with diameter of 50 nm and length of ca. 1000 nm. Halloysite exhibits higher adsorption capacity for both cationic and anionic dyes because it has negative
Manjula Gunawardana et al.
Journal of pharmaceutical sciences, 103(11), 3611-3620 (2014-09-19)
Human monoclonal antibodies (mAbs) based on IgG and IgA have shown promise as topical microbicide candidates to protect women from HIV infection. Application of mAbs has been limited, however, by the inability of vaginal gels and conventional intravaginal ring (IVR)
Fengjuan Zhang et al.
PloS one, 7(6), e38534-e38534 (2012-06-28)
Plant-parasitic nematodes (PPNs) are piercing/sucking pests, which cause severe damage to crops worldwide, and are difficult to control. The cyst and root-knot nematodes (RKN) are sedentary endoparasites that develop specialized multinucleate feeding structures from the plant cells called syncytia or
Jun Feng Wang et al.
PloS one, 9(6), e97976-e97976 (2014-06-03)
A new high-performance surface-enhanced Raman scattering (SERS) substrate with extremely high SERS activity was produced. This SERS substrate combines the advantages of Au film over nanosphere (AuFON) substrate and Ag nanoparticles (AgNPs). A three order enhancement of SERS was observed
Kai Qian et al.
Nanoscale, 4(20), 6449-6454 (2012-09-08)
In general, the procedures for producing a high density hot spots structure should be stable, inexpensive, and easy to make. It still remains a grand challenge to assemble silver or gold nanoparticles (Au NPs) with well-defined hot spots for SERS
Jill Deacon et al.
Journal of controlled release : official journal of the Controlled Release Society, 198, 55-61 (2014-12-08)
Inhaled antibiotics, such as tobramycin, for the treatment of Pseudomonas aeruginosa pulmonary infections are associated with the increase in life expectancy seen in cystic fibrosis (CF) patients over recent years. However, the effectiveness of this aminoglycoside is still limited by
Sadia Afrin Khan et al.
Chemical communications (Cambridge, England), 48(90), 11091-11093 (2012-10-11)
This communication reports, for the first time, the design of distance dependent SERS assay for monitoring the photothermal antibacterial activity process.
Kenji Katayama et al.
Chemical communications (Cambridge, England), 48(59), 7368-7370 (2012-06-21)
A new type of photocatalytic reactor was developed. Capillaries coated on the inside with photocatalytic materials induced an effective photocatalytic reaction by pulling up a solution under the action of capillary forces; no electric pump was required for the replacement
Kaiyang Cai et al.
Forensic science international, 226(1-3), 240-243 (2013-02-23)
A new method based on the use of highly fluorescent water-soluble cadmium telluride (CdTe) quantum dots (QDs) capped with mercaptosuccinic acid (MSA) was explored to develop latent fingerprints. After optimized the effectiveness of QDs method contains pH value and developing
Xiaobin Xu et al.
Advanced materials (Deerfield Beach, Fla.), 24(40), 5457-5463 (2012-08-14)
Surface enhanced Raman scattering (SERS) is sensitive enough for single-molecule biochemical detection, but it is extremely difficult to obtain a large number of SERS hotspots for sensitive and reproducible detection. It is even more challenging to assemble the hotspots at
Pedro Elias Marques et al.
Hepatology (Baltimore, Md.), 61(1), 348-360 (2014-05-16)
Drug-induced liver injury (DILI) is an important cause of acute liver failure, with limited therapeutic options. During DILI, oncotic necrosis with concomitant release and recognition of intracellular content amplifies liver inflammation and injury. Among these molecules, self-DNA has been widely
Jefferson C Frisbee et al.
American journal of physiology. Heart and circulatory physiology, 307(12), H1714-H1728 (2014-10-12)
Evolution of metabolic syndrome is associated with a progressive reduction in skeletal muscle microvessel density, known as rarefaction. Although contributing to impairments to mass transport and exchange, the temporal development of rarefaction and the contributing mechanisms that lead to microvessel
Kirsten Buschmann et al.
BMC immunology, 15, 53-53 (2014-11-28)
Insufficient leukocyte recruitment may be one reason for the high incidence of life-threatening infections in preterm infants. Since the receptor of advanced glycation end products (RAGE) is a known leukocyte adhesion molecule and highly expressed during early development, we asked
Liyun Ma et al.
Journal of chromatography. A, 1376, 64-73 (2014-12-22)
Cucurbit[7]uril (CB7), one host macromolecule, possesses a hydrophobic inner cavity and two identical hydrophilic carbonyl fringe portals, thus interacting with a variety of guest molecules through hydrophobic, hydrogen bonding and ion-dipole interactions. These characteristics make CB7 a good candidate as
Xi Ke et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 13(17), 3786-3789 (2012-09-28)
Scatter me: A fast and cost-effective approach for the fabrication of surface-enhanced Raman scattering (SERS) arrays is developed. The method applied combines microcontact printing, electrodeposition, and galvanic replacement without the need for expensive instruments and intricate processing. The as-prepared arrays
Majeed Rana et al.
Head & face medicine, 7, 22-22 (2011-11-22)
It is widely known that stress conditioning can protect microcirculation and induce the release of vasoactive factors for a period of several hours. Little, however, is known about the long-term effects of stress conditioning on microcirculation, especially on the microcirculation
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