Roles of surface topography and chemical composition. Medical search. Frequent questions

Atomic Force Microscopy (AFM) provides a variety of nanometric characterizations such as topography, conductivity, and thermal measurements. (nanonics.co.il)
8 nm).Ppy NPs effectively augment the conductivity, surface roughness, andthickness of BC composites despite reducing scaffolds' transparency.BC-Ppy composites were flexible (up to 10 mM Ppy), maintained theirintricate 3D extracellular matrix-like mesh structure in all Ppy concentrationstested, and displayed electrical conductivities in the range of nativecardiac tissue. (ibecbarcelona.eu)

Commenced in August 2006, NASA scientists employed surface observation networks and aircraft to characterize the evolution and structure of African Easterly Waves (AEWs) and Mesoscale Convective Systems over continental western Africa, and their associated impacts on regional water and energy budgets. (nasa.gov)
In this article, the authors described a comprehensive study of parameters used to characterize 3D surface topography in 3D. (typeset.io)

Raman spectroscopy, however, has emerged as a critical technique in the field of chemical characterization, accurately identifying and classifying materials in a number of diverse fields and industries such as: material science, chemistry, biophysics, semiconductors, and many more. (nanonics.co.il)
The joint AFM-Raman system allows for the strength and versatility of all modes of AFM (including mechanical, thermal, SECM, and electrical) combined with the chemical characterization of Raman. (nanonics.co.il)
In recent years, there has been an increasing need for the characterization of surface topography in three dimensions (3D). (typeset.io)
Some spatial and hybrid parameters are recommended to be included in a primary set to serve for a comprehensive characterization of surface topography in three dimensions. (typeset.io)

In turn, geomorphological processes have large impacts on ecological processes and biogeochemical fluxes by shaping topography and affecting water availability, which determines biological diversity and succession. (copernicus.org)
Here we summarize effects of epiphytic biofilms on seagrass leaves and discuss how they change and affect the biogeochemical processes and chemical conditions in the seagrass phyllosphere. (frontiersin.org)

Furthermore, these materials exhibit tensile strength,surface roughness, and wettability values appropriate for their finaluse as cardiac patches. (ibecbarcelona.eu)
Results indicated that as the Cu concentration increased, the nanoscale surfaces became rougher, with roughness values rising from 11.85 to 49.65 nm, and the contact angle increased from 40 to 80 degrees, indicating a hydrophilic character. (nature.com)
It is recognised that profiling techniques have been widely used in industry and academic research for manufacturing control and functional control of surface roughness, in some cases, however, the profiling techniques and two-dimensional (2D) parameters defined in standards are inadequate and/or unsuitable for characterising surfaces. (typeset.io)

In the coating processes, much work is needed to understand and model coating adherence mechanisms for a range of coating materials, steel substrates, surface morphology, and processing parameters. (co.ke)

Environmental geology includes managing geological and hydrogeological resources such as fossil fuels, minerals, water (surface and groundwater), and land use, studying the earth's surface through the disciplines of geomorphology, and edaphology, defining and mitigating exposure of natural hazards on humans, managing industrial and domestic waste disposal and minimizing or eliminating effects of pollution, and performing associated activities, often involving litigation. (wikipedia.org)
1.4 Earth scientists must use indirect methods to examine and understand the structure, composition, and dynamics of Earth's interior. (carleton.edu)
Surface water plays a pivotal role in the Earth's hydrological cycle, serving as a vital resource for various ecosystems and human activities. (acamet.org)

Some common environmental impacts of mining are rock displacements that allow fine dust particles to seep into surface waters, the defacement of the local landscape, and the large amounts of waste with some being chemically reactive. (wikipedia.org)
Commonly found close to root surfaces, in dead roots, on soil particles or amongst aggregates of soil particles. (jakesonline.org)

Soil science is the study of soil as a natural resource on the surface of the earth. (wikipedia.org)
2019 Fire and forest harvesting impacts on soil organic matter and dissolved organic matter composition in the Canadian Rocky Mountains. (forwater.ca)
Soil Composition. (jakesonline.org)
The chemical composition of the soil, the topography, and the presence of living organisms determines the quality of soil. (jakesonline.org)
Soil fertility is the sustainable capacity of a soil to produce good yields of high quality on the basis of chemical, physical and biological factors. (jakesonline.org)

Hurricane and Severe Storm Sentinel (HS3) is an Earth Ventures - Suborbital 1 mission aimed at better understanding the physical processes that control hurricane intensity change, addressing questions related to the roles of environmental conditions and internal storm structures to storm intensification. (nasa.gov)
The NASA TC4 (Tropical Composition, Cloud and Climate Coupling) mission investigated the structure and properties of the chemical, dynamic, and physical processes in atmosphere of the tropical Eastern Pacific. (nasa.gov)
Physical, chemical, and biological factors that influence the persistence and movement of a contaminant within and across environmental media, which can be important in determining whether opportunities for human exposure exist. (cdc.gov)
In efforts to advance the performance and theory of oxide electrocatalysts, the chemical and physical properties of the oxide material often take precedence over contributions from the conductive additive. (osti.gov)
Physical Chemistry Chemical Physics. (osti.gov)
Emphasising the marks that intentionally remain in the process of developing a work or those that have been erased and have now become underlying impressions on a physical surface or, have become untraceable or non-existent in the digital spatial world, becomes a point of exploration and discovery. (60plus10.com)
Where there was once a physical surface and now light and space, the context of the ephemeral in the process of drawing becomes more tangible and its value extended. (60plus10.com)

The Division of Surface Chemistry of the Swedish Chemical Society. (lu.se)

Hydrological models simulate the movement of water through different pathways (e.g., surface runoff, infiltration into soils), allowing us to predict how changes in factors like land use or climate may impact water availability and quality. (acamet.org)

Site-specific environmental conditions , such as climate and topography, that determine how contaminants move through the environment at a given location. (cdc.gov)

TERS with a probe that allows for any surface has permitted TERS of CuPc molecules on a wide variety of substrates, including (as seen here) an interesting comparison of MoS2, Gold, and SiO2 surfaces. (nanonics.co.il)

Macroalgae provide food and habitat to a diversity of organisms in marine systems, so structural damage and breakage of thallus tissue can have important ecological consequences for the composition and dynamics of marine communities. (frontiersin.org)
Surface water provides habitats for numerous plants and animals, fostering diverse ecosystems with intricate food webs and ecological interactions. (acamet.org)

Pollution is the impairment of groundwater by heat, bacteria, or chemicals. (wikipedia.org)

The greatest contributors to groundwater pollution are surface sources such as fertilizers, leaking sewers, polluted streams, and mining/mineral wastes. (wikipedia.org)
A hydrological investigation would aim to assess factors such as precipitation patterns, surface runoff, groundwater recharge rates, and evapotranspiration levels within this area. (acamet.org)

Ligand-receptor interactions play important roles in many biological processes. (nanonics.co.il)
Several communities depend on surface water as their primary source of drinking water after undergoing necessary treatment processes to ensure safety. (acamet.org)

While very effective at measuring certain properties, AFM can not identify the chemical composition of a given material. (nanonics.co.il)
as "a characteristic microbial community occupying a reasonably well-defined habitat which has distinct physio-chemical properties. (jakesonline.org)
ATSDR's Toxicological Profiles are definitive resources for contaminant-specific information (e.g., chemical properties). (cdc.gov)
These factors play a significant role in the antibacterial properties of the surface. (nature.com)
In this paper, a primary 3D parameter set is proposed based on an understanding of intrinsic properties of surface topographic features and parameters, and the feasibility in terms of sampling conditions and the application scope of the parameters is discussed. (typeset.io)
Based on an understanding of intrinsic properties of surface topographic features and parameters, a primary 3D parameter set is proposed in the last two parts of this series of reports. (typeset.io)
In conjunction with other parts of the report, this paper deals with parameters used to characterise spatial and hybrid properties of surface topography in three dimensions. (typeset.io)

Dermal fillers as a category of implantable medical devices, consist of a wide array of products that differ significantly in their chemical composition, mechanism of action, duration, safety, and interaction with host tissues. (jcadonline.com)

Field campaigns provide for intensive observation of specific phenomena using a variety of instruments on aircraft, satellites and surface networks. (nasa.gov)
Transport of sediments in geophysical flows occurs in mountainous, fluvial, estuarine, coastal, aeolian and other natural or man-made environments on Earth and has been shown to play important formative roles in planets and satellites such as Mars, Titan, and Venus. (copernicus.org)

At a molecular level, the number of functional antibodies on the NP surface and the density of receptors on the target cell determine the targeting interaction. (ibecbarcelona.eu)
Cyclic arginine - glycine - aspartic acid (RGD) containing peptides are known to mimic the binding domain of extracellular matrix protein fibronectin and selectively bind to a sub- set of integrin receptors on cell surfaces. (nanonics.co.il)

Purpose: To investigate oxidative stress markers in tears and serum of patients with ocular rosacea and to examine their association with both ocular surface parameters and cutaneous rosacea subtypes. (bvsalud.org)
Not only is the mathematical/statistical background of the parameters presented but also experimental results obtained by testing a wide range of engineered surfaces are provided to justify the proposal. (typeset.io)
The feasibility and significance of the parameters in characterising surface topology in 3d are addressed by conducting experiments on a wide range of engineered surfaces. (typeset.io)
This is the last part in a series of reports describing a comprehensive study of parameters to characterise three-dimensional surface topography. (typeset.io)

A practical approach utilized in this study involves the preparation of an antibacterial thin film on the surfaces, which can effectively inhibit and reduce biofilm formation and bacterial adherence. (nature.com)
Furthermore, absorbed light energy in the epiphytic biofilm can also drive an increase in the leaf surface temperature relative to the surrounding seawater potentially aggravating heating events in the surrounding seawater. (frontiersin.org)

Emerging data suggest that the interaction between adverse environmental conditions, such as early life stress, and a specific genetic composition can increase the risk to develop psychiatric disorders in adulthood. (ucc.ie)

Many macroalgal species have biomechanical designs that minimize damage by these sources, such as flexibly reconfiguring into streamlined shapes in flow, having either strong or extensible tissues that are tough, and having chemical and morphological defenses against herbivores and epibionts. (frontiersin.org)
We now appreciate that a natural and more youthful appearance is dependent on reversing the cumulative effect of age-related changes both on the surface and in the subsurface tissues. (jcadonline.com)

As such, surface modification with ceramic coatings is required in order to achieve proper biomedical features and enhance their overall behavior in the human body. (infim.ro)
There has been growing interest in the development of electrochemical sensors for direct and real-time monitoring of NO. As the direct electrooxidation of NO requires a relatively high working potential, further surface modification with permselective membranes is required to achieve the desired selectivity for NO via size exclusion or electrostatic repulsion. (intechopen.com)

One real-life example that highlights its significance is the Amazon rainforest, which relies heavily on surface water from rivers and streams to sustain its rich biodiversity. (acamet.org)

Many agricultural practices rely on irrigation systems that utilize surface water sources such as lakes or reservoirs, enabling efficient crop growth even in arid regions. (acamet.org)

The seagrass phyllosphere consists of a dynamic mosaic of physico-chemical microgradients that modulate light harvesting, gas and nutrient exchange between the photosynthetic leaves and the surrounding water-column. (frontiersin.org)

Students assume the roles of plant doctors and diagnose nutrient deficiencies in corn plants. (agclassroom.org)

Engineered surfaces and microstructural engineering were cited as the important areas needing further modeling studies. (co.ke)
In this work, we find that carbon plays an important synergistic role in improving the performance of La 1-x Sr x CoO 3-δ (0 ≤ x ≤ 1) electrocatalysts through the activation of O 2 and spillover of radical oxygen intermediates, HO 2 - and O 2 -, which is further reduced through chemical decomposition of HO 2 - on the perovskite surface. (osti.gov)

Potentially harmful metals, other deposit constituents, and mineral processing chemicals or byproducts can contaminate the surrounding environment due to these situations. (wikipedia.org)
2012). Some authors even suggest that the problem of endocrine disruption caused by hypoxia could potentially be more serious than that caused by known anthropogenic chemicals (Goldberg 1995;Diaz 2001). (researchgate.net)

Specifically, block copolymer films are immobilized on surfaces, and template successive layers through subtle surface topography. (nature.com)

While a placement role may not be available in a field or organisation that is directly related to your academic studies or career aspirations, all placement roles offer valuable experience of working at a graduate level and gaining a range of professional skills. (lancaster.ac.uk)

This method provides a situation in which constituent elements are deposited simultaneously to control the composition of the thin film. (nature.com)

others are specifically defined for characterising 3D surface topography. (typeset.io)

In kinematically constrained sliding and/or rotating applications, the frictional force can reach very high values if surfaces cannot be lubricated with either liquid or solid lubricants. (typeset.io)

In this study, we report the fabrication of bactericidal titanium (Ti) and copper (Cu) surfaces which involves a powerful co-sputtering method. (nature.com)

The fixed polymer-alumina composite film thus acts as a substrate for overlying assembly steps, leveraging the BCP's tendency to self-align and register to underlying surface features. (nature.com)

I grew up in Albuquerque New Mexico and did my undergraduate in Chemical Engineering at the New Mexico Institute of Mining and Technology. (wrfseattle.org)
Surface engineering of spongy bacterial cellulose via constructing crossed groove/column micropattern by low-energy CO 2 laser photolithography toward scar-free wound healing. (ttu.edu)

For coating composition measurement, Energy Dispersive X-Ray Fluorescence has shown promise over conventional X-Ray Diffraction and Fluorescence techniques. (co.ke)
Surface techniques. (lu.se)

However, the inherent energy-minimization aspect of self-assembly emphasizes shapes that minimize surface area and maximize symmetry. (nature.com)
Cellulose-based monoliths with enhanced surface area and porosity. (ttu.edu)

In the intervening years, the range of uses for CaHA has evolved alongside developments in the field of aesthetic medicine from a surface-oriented two-dimensional approach, concentrating on removal of facial lines and folds, to a three-dimensional approach that also addresses both soft and hard tissue volume loss in both the face and the hands. (jcadonline.com)

Molten globule proteins preserve most of the native internal hydration sites and have native-like surface hydration. (lu.se)
Inferences about hydration have usually been indirect (where the ous structural and dynamic information about the internal peptide chain is not, there is solvent) or have relied on uncertain (buried) and external (surface) hydration of globular proteins in premises. (lu.se)

A thorough ocular surface evaluation was conducted on 280 cooperative patients. (bvsalud.org)

Anatomy16

Organisms55

Diseases5

Chemicals and Drugs81

Analytical, Diagnostic and Therapeutic Techniques and Equipment48

Psychiatry and Psychology1

Phenomena and Processes38

Disciplines and Occupations6

Technology, Industry, Agriculture18

Information Science2

Health Care10

Conductivity2

Characterize2

Characterization4

Biogeochemical2

Roughness3

Morphology1

Earth's3

Particles2

Soil5

Physical7

Chemistry1

Infiltration1

Climate1

Substrates1

Ecological2

Bacteria1

Groundwater2

Processes2

Properties7

Mechanism1

Satellites2

Receptors2

Parameters4

Biofilm2

Interaction1

Tissues2

Modification2

Significance1

Agricultural1

Water1

Nutrient1

Important2

Potentially2

Films1

Level1

Control1

Specifically1

Values1

Study1

Features1

Engineering2

Techniques2

Area2

Range1

Internal2

Evaluation1