Observation of ordered arrays of endotaxially grown nanostructures from size-selected Cu-nanoclusters deposited on patterned substrates of Si

2021 ◽  
Author(s):  
Shyamal Mondal ◽  
Debasree Chowdhury ◽  
Pabitra Das ◽  
Biswarup Satpati ◽  
Debabrata Ghose ◽  
...  
Keyword(s):  
Patterned Substrates ◽  
Patterned Substrate ◽  
Ordered Arrays ◽  
Nanostructure Arrays ◽  
Time Observation ◽  
First Time ◽  
Cu Nanoclusters

We report on the first time observation of endotaxial growth of size-selected nanoclusters on a patterned substrate when we fabricate highly ordered and partially embedded 3D crystalline Cu nanostructure arrays...

scholarly journals Correction: Observation of ordered arrays of endotaxially grown nanostructures from size-selected Cu-nanoclusters deposited on patterned substrates of Si

2021 ◽  
Author(s):  
Shyamal Mondal ◽  
Debasree Chowdhury ◽  
Pabitra Das ◽  
Biswarup Satpati ◽  
Debabrata Ghose ◽  
...  
Keyword(s):  
Chem Phys ◽  
Patterned Substrates ◽  
Ordered Arrays ◽  
Cu Nanoclusters ◽  
Phys Chem Chem Phys

Correction for ‘Observation of ordered arrays of endotaxially grown nanostructures from size-selected Cu-nanoclusters deposited on patterned substrates of Si’ by Shyamal Mondal et al., Phys. Chem. Chem. Phys., 2021, 23, 6009–6016 DOI: 10.1039/D0CP06089E.

First-time observation of Mastro Giorgio masterpieces by means of non-destructive techniques

2006 ◽  
Vol 83 (4) ◽  
pp. 475-483 ◽  
Author(s):  
G. Padeletti ◽  
G.M. Ingo ◽  
A. Bouquillon ◽  
S. Pages-Camagna ◽  
M. Aucouturier ◽  
...  
Keyword(s):  
Time Observation ◽  
First Time ◽  
Non Destructive ◽  
Non Destructive Techniques

scholarly journals Microfluidic-based imaging of complete C. elegans larval development

2021 ◽  
Author(s):  
Simon Berger ◽  
Silvan Spiri ◽  
Andrew deMello ◽  
Alex Hajnal
Keyword(s):  
Imaging Method ◽  
Cover Glass ◽  
Vulval Development ◽  
C Elegans ◽  
Larval Stages ◽  
Seam Cell ◽  
Time Observation ◽  
On Chip ◽  
First Time

Several microfluidic-based methods for long-term C. elegans imaging have been introduced in recent years, allowing real-time observation of previously inaccessible processes. The ex-isting methods either permit imaging across multiple larval stages without maintaining a stable worm orientation, or allow for very good immobilization but are only suitable for shorter experiments. Here, we present a novel microfluidic imaging method, which allows parallel live-imaging across multiple larval stages, while delivering excellent immobilization and maintaining worm orientation and identity over time. This is achieved by employing an array of microfluidic trap channels carefully tuned to maintain worms in a stable orienta-tion, while allowing growth and molting to occur. Immobilization is supported by an active hydraulic valve, which presses worms onto the cover glass during image acquisition, with the animals remaining free for most of an experiment. Excellent quality images can be ac-quired of multiple worms in parallel, with little impact of the imaging method on worm via-bility or developmental timing. The capabilities of this methodology are demonstrated by observing the hypodermal seam cell divisions and, for the first time, the entire process of vulval development from induction to the end of morphogenesis. Moreover, we demonstrate RNAi on-chip, which allows for perturbation of dynamic developmental processes, such as basement membrane breaching during anchor cell invasion.

scholarly journals KMOS Clusters and VIRIAL GTO Surveys

2014 ◽  
Vol 10 (S309) ◽  
pp. 293-294
Author(s):  
D. Wilman ◽  
R. Bender ◽  
R. L. Davies ◽  
J. T. Mendel ◽  
J. Chan ◽  
...  
Keyword(s):  
Near Infrared ◽  
Early Type ◽  
Dynamical Mass ◽  
Fundamental Plane ◽  
Cluster Galaxies ◽  
Medium Resolution ◽  
Stellar Velocity ◽  
Time Observation ◽  
Field Unit ◽  
First Time

AbstractWe present the KMOS (K-band Multi-Object Spectrograph) Cluster and VIRIAL (VLT IRIFU Absorption Line) Guaranteed Time Observation (GTO) programs. KMOS provides 24 arms each feeding an integral field unit (14×14 spaxels of 0.2″ pixels) for IZ, YJ, H and K band near infrared (NIR) medium resolution spectroscopy (R ∼ 3500). Targets are selected from a 7.2′ diameter patrol field. Ultra-deep spectroscopy of ∼ 80 early-type cluster galaxies (∼ 20hr on source) and ∼ 200 (∼ 10hr on source) early-type field galaxies at 1 < z < 2 will dramatically improve the situation at z > 1 for which measurements of stellar velocity dispersions and absorption indices are limited to a few, often relatively young passively evolving galaxies (e.g. Bezanson 2013). In ESO Periods P92 and P93, 15 nights worth of data has been collected for KMOS-Clusters and 6 nights for VIRIAL: this will be supplemented with more data in upcoming semesters. All galaxies have multiband HST imaging including existing or upcoming WFC3 IR imaging, providing stellar mass maps and sizes. Combined with our dispersion measurements, this will allow us to examine the fundamental plane and the dynamical mass of a large sample of z > 1 galaxies for the first time, for both cluster and field galaxies.

First time observation of local current shrinkage during the MARFE behavior on the J-TEXT tokamak

2017 ◽  
Vol 57 (11) ◽  
pp. 116052
Author(s):  
Peng Shi ◽  
G. Zhuang ◽  
K. Gentle ◽  
Qiming Hu ◽  
Jie Chen ◽  
...  
Keyword(s):  
Local Current ◽  
Time Observation ◽  
First Time

scholarly journals Continuous isotopic composition measurements of tropospheric CO<sub>2</sub> at Jungfraujoch (3580 m a.s.l.), Switzerland: real-time observation of regional pollution events

2010 ◽  
Vol 10 (10) ◽  
pp. 24563-24593 ◽  
Author(s):  
B. Tuzson ◽  
S. Henne ◽  
D. Brunner ◽  
M. Steinbacher ◽  
J. Mohn ◽  
...  
Keyword(s):  
Particle Dispersion ◽  
Integration Time ◽  
High Temporal Resolution ◽  
Research Station ◽  
Mixing Ratios ◽  
Keeling Plot ◽  
Time Observation ◽  
First Time ◽  
Pollution Events

Abstract. A quantum cascade laser based absorption spectrometer (QCLAS) is applied for the first time to perform in situ, continuous and high precision isotope ratio measurements of CO2 in the free troposphere. Time series of the three main CO2 isotopologue mixing ratios (12C16O2, 12C16O2 and 12C18O16O) have simultaneously been measured at one second time resolution over two years (from August 2008 to present) at the High Altitude Research Station Jungfraujoch (3580 m a.s.l., Switzerland). This work focuses on periods in February 2009 only, when sudden and pronounced enhancements in the tropospheric CO2 were observed. These short-term changes were closely correlated with variations in CO mixing ratios measured at the same site, indicating combustion related emissions as potential source. The analytical precision of 0.046‰ (at 50 s integration time) for both δ13C and δ18O and the high temporal resolution allowed the application of the Keeling plot method for source signature identification. The spatial origin of these CO2 emission sources was then determined by backward Lagrangian particle dispersion simulations.

scholarly journals Phase transition and dewetting of a 5CB liquid crystal thin film on a topographically patterned substrate

RSC Advances ◽  
2019 ◽  
Vol 9 (38) ◽  
pp. 21685-21694 ◽  
Author(s):  
Palash Dhara ◽  
Rabibrata Mukherjee
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Phase Transition ◽  
Liquid Crystal ◽  
Patterned Substrates ◽  
Thermally Induced ◽  
Patterned Substrate ◽  
5Cb Liquid Crystal

Thermally induced nematic to isotropic (N–I) phase transition and dewetting of 5CB liquid crystal thin films on flat and topographically patterned substrates.

Tacky dot arrays for ordered particle mounting

1993 ◽  
Vol 51 ◽  
pp. 716-717
Author(s):  
Allan Cairncross ◽  
David M. Flaherty ◽  
Ulrich Klabunde
Keyword(s):  
Average Weight ◽  
Plastic Film ◽  
Single Particles ◽  
Ordered Arrays ◽  
Innovative Method ◽  
Glass Slides ◽  
Clear Plastic ◽  
Pattern Number ◽  
First Time ◽  
Number Of Particles

We describe for the first time a rapid way to mount particles on regularly spaced centers for microscopic examination. This innovative method mounts particles in ordered arrays rather than the random chaos of usual methods and therefore simplifies particle examination, identification and analysis. Advantages include the ability to easily mount single particles in controlled patterns and known locations, to mount tight clusters of 2 or more particles per center (Fig. 3); to repeatedly mount the same pattern/number of particles; to mount particles in unusual orientations (Fig. 5, 6) and to easily get the average weight of single particles. Examples of applications include mounting and examination of ores (Fig. 1), pollens (Fig. 2, 3), milled products, seeds (Fig. 4) and crystalline products(Fig. 5, 6).The mounting medium consists of a pattern of fine adhesive centers typically on 1 by 3 inch glass slides or on clear plastic film that is easily cut to any size or shape.

HIGHLY ORDERED MICRO-ARRAYS OF CdSe QUANTUM DOTS ON CHEMICALLY PATTERNED SUBSTRATES

2009 ◽  
Vol 08 (01n02) ◽  
pp. 119-122
Author(s):  
LI ZHANG ◽  
HUA-YAN SI ◽  
HUA XU ◽  
HAO-LI ZHANG ◽  
YU-QING XIONG
Keyword(s):  
Quantum Dots ◽  
Cadmium Selenide ◽  
Self Assembly ◽  
Microcontact Printing ◽  
Cdse Quantum Dots ◽  
Two Dimensional ◽  
Liquid Interfaces ◽  
Patterned Substrates ◽  
Cdse Qds ◽  
Ordered Arrays

Highly ordered arrays consisting uniform fluorescent cadmium selenide ( CdSe ) quantum dots (QDs) ring or dot structures were obtained by self-assembly of QDs on chemically patterned substrates. In this method, Au substrates with alternating hydrophobic and hydrophilic square patterns are firstly fabricated by microcontact printing, which allows water droplets to condense on the hydrophilic regions to provide two-dimensional template arrays. The CdSe QDs are then assembled at the liquid/liquid interfaces to give uniform micro or nanostructures. The shape and size of the rings and dots can be tailored by controlling the relative evaporation speed of the water and the organic solvents. The obtained nanostructures have ideal topography to avoid substrate-induced fluorescence quenching.

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