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780 Results Found

  • Article
  • Open Access
3 Citations
3,046 Views
13 Pages

24 June 2020

This experimental study investigates the effects of the aggregate surface conditions on the compressive strength of quick-converting track concrete (QTC). The compressive strength of QTC and interfacial fracture toughness (IFT) were investigated by c...

  • Article
  • Open Access
6 Citations
1,828 Views
16 Pages

Consequences of Surface Composition and Aggregation Conditions of Ag Nanoparticles on Surface-Enhanced Raman Scattering (SERS) of Pesticides

  • Marcelo José dos Santos Oliveira,
  • Gilia Cristine Marques Ruiz,
  • Rafael Jesus Gonçalves Rubira,
  • Santiago Sanchez-Cortes,
  • Carlos José Leopoldo Constantino and
  • Leonardo Negri Furini

Surface-enhanced Raman scattering (SERS) is highly dependent on the adsorption of target molecules onto metallic surfaces, such as colloidal metallic nanoparticles. The selection of suitable substrates is crucial for optimizing SERS performance. Here...

  • Article
  • Open Access
5 Citations
1,761 Views
21 Pages

11 October 2024

This study compared the physical properties and mechanical strength development of PCBAs with water, sealed, standard, and open ambient air curing over 28 days to find a suitable curing method for the production of phosphogypsum-based cold-bonded agg...

  • Article
  • Open Access
40 Citations
6,585 Views
11 Pages

Adhesion Evaluation of Asphalt-Aggregate Interface Using Surface Free Energy Method

  • Jie Ji,
  • Hui Yao,
  • Luhou Liu,
  • Zhi Suo,
  • Peng Zhai,
  • Xu Yang and
  • Zhanping You

9 February 2017

The influence of organic additives (Sasobit and RH) and water on the adhesion of the asphalt-aggregate interface was studied according to the surface free energy theory. Two asphalt binders (SK-70 and SK-90), and two aggregate types (limestone and ba...

  • Article
  • Open Access
16 Citations
7,787 Views
17 Pages

A Keystone Methylobacterium Strain in Biofilm Formation in Drinking Water

  • Erifyli Tsagkari,
  • Ciara Keating,
  • Jillian M. Couto and
  • William T. Sloan

12 October 2017

The structure of biofilms in drinking water systems is influenced by the interplay between biological and physical processes. Bacterial aggregates in bulk fluid are important in seeding biofilm formation on surfaces. In simple pure and co-cultures, c...

  • Article
  • Open Access
36 Citations
4,152 Views
18 Pages

13 October 2020

The purpose of this study was to investigate the effect of aggregate surface adsorbed water on the adhesive capacity and nanostructure of asphalt-aggregate interfaces at the atomic scale. Molecular dynamics (MD) simulation was performed to measure an...

  • Article
  • Open Access
2 Citations
3,456 Views
19 Pages

19 June 2022

Pavement raveling is one of the predominant distresses in the United States that impacts roadway safety and driver comfort on open-graded friction course (OGFC) pavements. Raveling specific treatments, such as fog seal and micro-milling the OGFC laye...

  • Article
  • Open Access
11 Citations
6,122 Views
21 Pages

Using Color, Texture and Object-Based Image Analysis of Multi-Temporal Camera Data to Monitor Soil Aggregate Breakdown

  • Irena Ymeti,
  • Harald Van der Werff,
  • Dhruba Pikha Shrestha,
  • Victor G. Jetten,
  • Caroline Lievens and
  • Freek Van der Meer

30 May 2017

Remote sensing has shown its potential to assess soil properties and is a fast and non-destructive method for monitoring soil surface changes. In this paper, we monitor soil aggregate breakdown under natural conditions. From November 2014 to February...

  • Article
  • Open Access
3 Citations
6,346 Views
11 Pages

19 February 2016

Single-walled carbon nanotubes (SWCNTs) dispersed in aqueous media have many potential applications in chemistry, biology and medicine. To disperse SWCNTs into aqueous media, it is often necessary to modify the surface of SWCNTs by either covalent or...

  • Article
  • Open Access
12 Citations
3,053 Views
13 Pages

Evaluation of Moisture Damage Potential in Hot Mix Asphalt Using Polymeric Aggregate Treatment

  • Arsalan Raza,
  • Imran Khan,
  • Rana Faisal Tufail,
  • Jana Frankovska,
  • Muhammad Umar Mushtaq,
  • Abdellatif Salmi,
  • Youssef Ahmed Awad and
  • Muhammad Faisal Javed

7 August 2022

To enhance the moisture damage performance of hot mix asphalt (HMA), treating the aggregate surface with a suitable additive was a more convenient approach. In this research, two types of aggregate modifiers were used to study the effect of moisture...

  • Article
  • Open Access
12 Citations
2,722 Views
16 Pages

Effect of Moisture Condition of Brick–Concrete Recycled Coarse Aggregate on the Properties of Concrete

  • Yonghua Wu,
  • Zhaodong Qi,
  • Mengdie Niu,
  • Yuan Yao,
  • Zuoqiu Luo and
  • Kaifeng Zhang

15 October 2022

The application of brick–concrete recycled aggregates can alleviate the problem of increasing construction waste and increasing scarcity of natural aggregates. The different moisture condition of coarse aggregates can significantly affect the p...

  • Article
  • Open Access
29 Citations
9,408 Views
12 Pages

Extensive expansion of mesenchymal stem cells (MSCs) for cell-based therapies remains challenging since long-term cultivation and excessive passaging in two-dimensional conditions result in a loss of essential stem cell properties. Indeed, low surviv...

  • Article
  • Open Access
7 Citations
2,117 Views
24 Pages

Resistance of Concrete with Various Types of Coarse Aggregate to Coupled Effects of Thermal Shocks and Chemicals

  • Muhammad Monowar Hossain,
  • Safat Al-Deen,
  • Sukanta Kumer Shill and
  • Md Kamrul Hassan

6 February 2024

Rigid pavements at military airfields experience surface deterioration within 6–18 months of construction. The cause of this degradation is mainly due to combined exposure to repeated heat shocks from jet engine exhaust and spilled aviation oil...

  • Article
  • Open Access
15 Citations
4,947 Views
14 Pages

29 January 2021

Population balance and computational fluid dynamics models are built and integrated to carry out a simulation study of the reactive crystallisation process in a confined jet mixer (CJM) for the continuous flow synthesis of TiO2 nanoparticles at a sup...

  • Article
  • Open Access
5 Citations
1,263 Views
21 Pages

15 November 2024

This study investigated how the surface characteristics of photocatalytic cementitious composites influenced the effectiveness of air purification from nitrogen oxides (NOx), with a particular focus on the impact of coarse aggregate exposure on the p...

  • Article
  • Open Access
10 Citations
5,095 Views
13 Pages

Comparative Studies of Quaternary Ammonium Salts on the Aggregation and Dispersion Behavior of Kaolinite and Quartz

  • Hao Jiang,
  • Guoyuan Xiang,
  • Sultan Ahmed Khoso,
  • Jiahui Xie,
  • Kai Huang and
  • Longhua Xu

31 July 2019

Fine particles in the presence of flotation reagents exhibit different dispersion and aggregation behaviors in a mineral suspension, and affect the flotation separation processes. In this study, the effects of three quaternary ammonium salts (i.e., d...

  • Article
  • Open Access
10 Citations
1,928 Views
17 Pages

Additional Enhancement of Surface-Enhanced Raman Scattering Spectra of Myoglobin Precipitated under Action of Laser Irradiation on Self-Assembled Nanostructured Surface of Ag Films

  • Irina A. Boginskaya,
  • Ekaterina A. Slipchenko,
  • Marina V. Sedova,
  • Julia Yu. Zvyagina,
  • Alexander D. Maximov,
  • Aleksandr S. Baburin,
  • Ilya A. Rodionov,
  • Alexander M. Merzlikin,
  • Ilya A. Ryzhikov and
  • Andrey N. Lagarkov

The modifications of the microstructure of myoglobin deposited onto SERS-active Ag-based substrates by drying a drop of aqueous solution with and without laser irradiation and the corresponding surface-enhanced Raman scattering (SERS) spectra are stu...

  • Article
  • Open Access
50 Citations
5,327 Views
16 Pages

27 March 2020

With increasing interest in the use of additive manufacturing techniques in the construction industry, static rheological properties of fresh concrete have necessarily come into focus. In particular, the knowledge and control of static yield stress (...

  • Article
  • Open Access
2 Citations
1,854 Views
21 Pages

9 January 2025

In order to eliminate the negative effects caused by traditional pavements, permeable pavements are gradually being used in road construction. In recent years, polyurethane (PU) has been used as a new binder in permeable pavement mixtures. However, c...

  • Article
  • Open Access
1 Citations
2,555 Views
16 Pages

A New Shear-Stress-Based Point-of-Care Technology for Evaluation of the Hemostatic Pattern in Whole Blood

  • Alessandro Foladore,
  • Simone Lattanzio,
  • Elisabetta Lombardi,
  • Cristina Durante,
  • Ekaterina Baryshnikova,
  • Martina Anguissola,
  • Lidia Rota,
  • Marco Ranucci and
  • Mario Mazzucato

22 October 2024

The currently available point-of-care hemostasis tests are burdened by criticisms concerning the use of different activators and inhibitors and the lack of dynamic flow. These operating conditions may constitute an impediment to the determination of...

  • Communication
  • Open Access
5 Citations
6,424 Views
9 Pages

12 March 2013

The alternating magnetic field was discovered to be capable of inducing the fibrous aggregation of magnetic nanoparticles. However, this anisotropic aggregation may be unfavorable for practical applications. Here, we reported that the adsorption of B...

  • Article
  • Open Access
16 Citations
4,329 Views
12 Pages

Experimental Study on Wet Skid Resistance of Asphalt Pavements in Icy Conditions

  • Boxiang Yan,
  • Huanhuan Mao,
  • Sai Zhong,
  • Pengfei Zhang and
  • Xiaoshan Zhang

12 April 2019

In this research, the durability of skid resistance during the ice melting process with temperature increasing from −5 °C to 10 °C was characterized by means of a British Pendulum Skid Tester. Four types of pavement surfaces were prepar...

  • Article
  • Open Access
16 Citations
7,879 Views
13 Pages

22 October 2018

The permeable pavement is one of Low Impact Development technics that allows stormwater to infiltrate through the pavement surface and the underlying base layer, thereby reducing surface runoff and preventing water contamination. For permeable base l...

  • Feature Paper
  • Article
  • Open Access
5 Citations
2,783 Views
14 Pages

Aggregation Kinetics and Mechanism of Humic Acid Reaction with Cs+ and Co2+ Metal Ions Using Batch Techniques

  • Liqiang Tan,
  • Yuxiang Wang,
  • Song Wang,
  • Caijin Wu,
  • Dong Li,
  • Yisheng Chen and
  • Haocheng Wang

25 August 2022

Humic substances have a potential role in the fate and transport of toxic metal ions in the environment due to their colloidal characteristics and abundant surface functional groups. Batch techniques (DLS, EPM, FT-IR and fluorescence EEM) were develo...

  • Article
  • Open Access
443 Views
20 Pages

Microstructure-Driven Feasibility of Crushed Bamboo Coarse Aggregate for Structural–Insulating Wall Composites

  • Aliaksandr Bakatovich,
  • Aleksandr Yagubkin,
  • Nadezhda Bakatovich,
  • Olga Kizinievič,
  • Yahor Trambitski and
  • Jie Wen

27 November 2025

This study evaluates crushed bamboo as a coarse aggregate for structural–thermal wall composites, comparing its performance against mixes with wood sawdust and rice husk. Crushed bamboo was used in both smooth and surface-roughened conditions,...

  • Article
  • Open Access
3 Citations
939 Views
15 Pages

Talcose molybdenite resources are abundant but resource utilization is low. The floatation separation of molybdenite (MoS2) and talc is challenging due to their similar natural hydrophobicity and layered structures. This study investigates the surfac...

  • Article
  • Open Access
57 Citations
3,696 Views
19 Pages

27 March 2021

Asphalt mixture is a type of textured composite material made of aggregates and mastic part. Overall strength and failure behavior in such materials depends on the texture or heterogeneity of the mixture. In particular, the crack growth mechanism fro...

  • Article
  • Open Access
4 Citations
2,072 Views
23 Pages

23 March 2023

The primary purpose of the analysis presented here is to assess the feasibility of effectively predicting the aggregate luminance coefficient. Current road lighting standards and recommendations are based on assessing the level and distribution of lu...

  • Article
  • Open Access
19 Citations
4,660 Views
21 Pages

15 December 2022

Lactic acid bacteria (LAB) naturally inhabits the organisms of honeybees and can exhibit adhesive properties that protect these insects against various pathogenic microorganisms. Thus, cell surface (auto-aggregation, co-aggregation, hydrophobicity) a...

  • Article
  • Open Access
6 Citations
3,797 Views
11 Pages

Capacitive Sensing of Icing under Vacuum and Cryogenic Temperatures

  • Juliana Padilha Leitzke,
  • Tobias Mitterer and
  • Hubert Zangl

16 August 2019

In certain industrial processes, ice aggregations on surfaces can occur under almost vacuum conditions and at very low to cryogenic temperatures due to residual water molecules. This aggregation can affect the performance of the process and it is the...

  • Article
  • Open Access
4 Citations
3,915 Views
14 Pages

3 November 2020

We present photometric stereo algorithms robust to non-Lambertian reflection, which are based on a convolutional neural network in which surface normals of objects with complex geometry and surface reflectance are estimated from a given set of an arb...

  • Article
  • Open Access
2 Citations
3,823 Views
9 Pages

Effects of Escherichia coli and Proteus mirabilis on the Growth and Aggregation of Calcium Oxalate Crystal under Microaerobic Conditions

  • Krittaya Saelee,
  • Aroonlug Lulitanond,
  • Nattaya Sae-ung,
  • Vitoon Prasongwatana,
  • Patcharee Boonsiri and
  • Ratree Tavichakorntrakool

31 October 2022

Escherichia coli and Proteus mirabilis are common single- and polymicrobial urinary tract infections which can survive under various oxygen levels, including inside of stone matrices. Therefore, we aimed to investigate and compare the calcium oxalate...

  • Article
  • Open Access
745 Views
22 Pages

Motivated by the potential of surface texturing to enhance the tribological performance of micro- and nano-electromechanical systems (MEMS/NEMS), this study proposes a novel non-linear optimization approach for designing textured surfaces. This model...

  • Article
  • Open Access
2 Citations
4,959 Views
27 Pages

Influence of the Addition of TiO2 Nanoparticles on the Self-Cleaning Capacity of Cementitious Composites

  • Carmen Teodora Florean,
  • Alexandra Csapai,
  • Horatiu Vermesan,
  • Timea Gabor,
  • Andreea Hegyi,
  • Vlad Stoian,
  • Willi Andrei Uriciuc,
  • Cristian Petcu and
  • Marius Cîmpan

25 June 2024

This study evaluated the potential of incorporating TiO2 nanoparticles (NT) into cementitious composites to provide self-cleaning and self-sanitising properties, as well as the partial replacement of natural aggregates with recycled glass (RGA), cera...

  • Article
  • Open Access
11 Citations
2,909 Views
13 Pages

Mammalian Cell Spheroids on Mixed Organic–Inorganic Superhydrophobic Coating

  • Michele Ferrari,
  • Francesca Cirisano and
  • M. Carmen Morán

12 February 2022

Three-dimensional cell culture has become a reliable method for reproducing in vitro cellular growth in more realistic physiological conditions. The surface hydrophobicity strongly influences the promotion of cell aggregate formation. In particular,...

  • Article
  • Open Access
29 Citations
3,846 Views
14 Pages

22 August 2022

Recycled concrete aggregates (RCAs) have low quality when compared with natural or conventional aggregates as the paste adhering to it is the key aspect that affects its functionality. Since the adhering cementitious paste weakens the adhesion betwee...

  • Article
  • Open Access
601 Views
20 Pages

1 December 2025

Background: The impact and regulation of protein oxidative modification on protein functional properties is a research hotspot in food processing. This study aimed to clarify the mechanism of free radical oxidation on the structure and function of wi...

  • Feature Paper
  • Article
  • Open Access
7 Citations
4,246 Views
20 Pages

Preparation of TiO2 Nanoparticle Aggregates and Capsules by the ‘Two-Emulsion Method’

  • Nadya I. Politova-Brinkova,
  • Sonya R. Tsibranska-Gyoreva,
  • Slavka S. Tcholakova,
  • Nikolai D. Denkov and
  • Thomas Danner

TiO2-based materials are of great practical interest in several technological areas. Both the size and the morphology of the TiO2 particles are of critical importance for their applications. The current study explores the effect of several factors on...

  • Article
  • Open Access
67 Citations
9,541 Views
15 Pages

The aggregation and colloidal stability of three, commercially-available, gamma-aluminum oxide nanoparticles (γ-Al2O3 NPs) (nominally 5, 10, and 20–30 nm) were systematically examined as a function of pH, ionic strength, humic acid (HA) or clay miner...

  • Article
  • Open Access
2 Citations
3,799 Views
11 Pages

Field Investigation of Clay Balls in Full-Depth Asphalt Pavement

  • Weiguang Zhang,
  • Jusang Lee,
  • Hyung Jun Ahn,
  • Qiqi Le,
  • Meng Wu,
  • Haoran Zhu and
  • Jing Zhang

6 September 2019

Clay ball is a pavement surface defect which refers to a clump in which clay or dirt is mixed with hot asphalt mixture. Clay ball is typically caused by a combination of aggregate contamination of clay or soil, high aggregate moisture, and low produc...

  • Article
  • Open Access
12 Citations
2,450 Views
24 Pages

2 July 2020

This research optimizes the mix ratio of nano-TiO2/CaCO3 (NTC)-basalt fiber (BF) composite modified asphalt mixture. Based on the Box–Behnken method and the response surface method, a three-factor and three-level test was designed. The input indicato...

  • Article
  • Open Access
2 Citations
2,552 Views
17 Pages

30 November 2023

Cambodia’s transportation sector has exhibited tremendous growth in the past decades together with its economic advancement. However, these improvements are only focused on the national and provincial roads, leaving the rural roads underdevelop...

  • Article
  • Open Access
10 Citations
3,198 Views
10 Pages

20 April 2020

Stimuli-responsive polymers have attracted significant interest in the fields of advanced materials and biomaterials. Herein, temperature- and pH-responsive glycopolymers, which are composed of N-isopropylacrylamide, methacrylic acid, and an acrylami...

  • Article
  • Open Access
11 Citations
3,172 Views
16 Pages

3 August 2023

The low light conditions, abundant dust, and rocky terrain on the lunar surface pose challenges for scientific research. To effectively perceive the surrounding environment, lunar rovers are equipped with binocular cameras. In this paper, with the ai...

  • Article
  • Open Access
5 Citations
3,533 Views
19 Pages

Hydrophobisation of Silica Nanoparticles Using Lauroyl Ethyl Arginate and Chitosan Mixtures to Induce the Foaming Process

  • Marcel Krzan,
  • Ewelina Jarek,
  • Hristina Petkova,
  • Eva Santini,
  • Lilianna Szyk-Warszynska,
  • Francesca Ravera,
  • Libero Liggieri,
  • Elena Mileva and
  • Piotr Warszynski

28 September 2022

We studied silica suspensions with chitosan and biodegradable synthetic surfactant lauroyl ethyl arginate (LAE). Hydrophilic and negatively charged silica nanoparticles were neutralised due to the coating with chitosan. That presence of LAE led to th...

  • Article
  • Open Access
579 Views
14 Pages

Enhancing Tetradesmus sp. Biomass Recovery: The Influence of Culture Media on Surface Physicochemical Properties

  • Ana Carolina Anzures-Mendoza,
  • Ulises Páramo-García,
  • Nohra Violeta Gallardo-Rivas,
  • Luciano Aguilera-Vázquez and
  • Ana María Mendoza-Martínez

27 September 2025

Efficient biomass harvesting remains one of the primary barriers to the commercial feasibility of large-scale microalgal production. This study investigates the effect of different culture media on the surface physicochemical properties of Tetradesmu...

  • Article
  • Open Access
6 Citations
3,121 Views
12 Pages

Spatial and Temporal Changes in Infiltration and Aggregate Stability: A Case Study of a Subhumid Irrigated Cropland

  • Gergely Jakab,
  • Endre Dobos,
  • Balázs Madarász,
  • Zoltán Szalai and
  • Judit Alexandra Szabó

26 April 2019

Climate change is increasing the occurrence of extreme precipitation events and causing irregular precipitation patterns. This occurs in parallel with the degradation of crop fields, and triggers the occurrence of pluvial floods and droughts on the s...

  • Article
  • Open Access
3 Citations
2,248 Views
20 Pages

6 September 2022

The improved performance of recycled aggregate has an important impact on its use in engineering. In this study, to improve the weak surface properties, recycled aggregates were treated by nano-silica slurry and applied to concrete beam specimens. Un...

  • Proceeding Paper
  • Open Access
254 Views
7 Pages

3 December 2025

This paper presents the results of experimental research focused on the production of a cement composite in which natural aggregate was entirely replaced by recycled glass recovered from photovoltaic panels. The resulting cement composites were subje...

  • Article
  • Open Access
36 Citations
5,256 Views
15 Pages

Petrographic and Mechanical Characteristics of Concrete Produced by Different Type of Recycled Materials

  • Petros Petrounias,
  • Panagiota P. Giannakopoulou,
  • Aikaterini Rogkala,
  • Paraskevi Lampropoulou,
  • Basilios Tsikouras,
  • Ioannis Rigopoulos and
  • Konstantin Hatzipanagiotou

This paper examined three different types of recycled materials, such as beer green glass, waste tile, and asphalt, which will be used in different mixtures in order to prepare concrete specimens and, more specifically, their effect on concrete stren...

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