Skip to Content
You are currently on the new version of our website. Access the old version .

442 Results Found

  • Article
  • Open Access
7 Citations
3,393 Views
20 Pages

Risk Simulation of Urban Rainstorm Flood Disasters Considering Crowd Activities

  • Jing Huang,
  • Tiantian Pang,
  • Zhenzhen Liu,
  • Zhiqiang Wang and
  • Huimin Wang

8 August 2023

Social activities have a significant impact on the rainstorm flood disaster risk. It is crucial to explore the dynamic changes of urban rainstorm flood disaster risk caused by crowd activities. In this study, a risk simulation method of urban rainsto...

(This article belongs to the Section Complex Systems and Cybernetics)
  • Article
  • Open Access
8 Citations
3,456 Views
23 Pages

14 December 2023

Crowd activity is an important indicator of commercial streets’ attractiveness and developmental potential. The development of positioning technologies such as GPS and mobile signal tracking has provided a large amount of trajectory data for st...

(This article belongs to the Section Sustainable Urban and Rural Development)
  • Article
  • Open Access
5 Citations
3,529 Views
12 Pages

24 August 2022

This study examines whether pro-environmental behavior crowds-in (associates positively with) or crowds-out (displaces) political activism. This research is part of a broader debate on the nature of individual pro-environmental behavior and whether i...

  • Article
  • Open Access
14 Citations
3,680 Views
16 Pages

10 June 2019

The behavior of a polymer in a passive crowded medium or in a very dilute active bath has been well studied, while a polymer immersed in an environment featured by both crowding and activity remains an open problem. In this paper, a systematic Langev...

(This article belongs to the Special Issue Connecting the Fields of Polymer Reaction Engineering and Processing)
  • Article
  • Open Access
16 Citations
3,495 Views
26 Pages

Chaperone-Like Activity of HSPB5: The Effects of Quaternary Structure Dynamics and Crowding

  • Natalia A. Chebotareva,
  • Svetlana G. Roman,
  • Vera A. Borzova,
  • Tatiana B. Eronina and ,
  • Valeriya V. Mikhaylova and
  • Boris I. Kurganov
  • + 1 author+ 0 author

Small heat-shock proteins (sHSPs) are ATP-independent molecular chaperones that interact with partially unfolded proteins, preventing their aberrant aggregation, thereby exhibiting a chaperone-like activity. Dynamics of the quaternary structure plays...

(This article belongs to the Special Issue Structure and Function of Small Heat Shock Proteins)
  • Article
  • Open Access
2 Citations
3,386 Views
14 Pages

31 October 2020

In this article, we address the question whether political activism can be triggered by sustainable consumption. Specific attention is given to the crowding-out and crowding-in hypotheses. The first hypothesis is driven by a conflict view as it assum...

  • Article
  • Open Access
2 Citations
2,768 Views
15 Pages

People-oriented planning has become the mainstream of urban space design. As an important research object of urban space, the accessibility and service level of accessibility and service level of green space as important indicators to evaluate the le...

  • Article
  • Open Access
55 Citations
7,616 Views
12 Pages

This study aimed to investigate the difference in people’s perceived crowding and risk perception during leisure activities using the criteria of spatial proximity during the COVID-19 pandemic. COVID-19 is a viral respiratory tract disease that...

(This article belongs to the Special Issue Active Spaces and Public Health)
  • Article
  • Open Access
1 Citations
2,572 Views
22 Pages

6 December 2022

The aggregation of intracellular proteins may be enhanced under stress. The expression of heat-shock proteins (HSPs) and the accumulation of osmolytes are among the cellular protective mechanisms in these conditions. In addition, one should remember...

(This article belongs to the Special Issue The Multiple and Dynamic Faces of Protein Structure: Folded States, Intrinsically Unfolded States, and Aggregates/Fibrils)
  • Article
  • Open Access
16 Citations
3,945 Views
13 Pages

The influence of household crowding on physical and mental health has been well documented. However, research on the influence of household crowding on violent discipline and neglect of children is scarce. Therefore, we aimed to investigate whether h...

  • Article
  • Open Access
5 Citations
6,176 Views
14 Pages

Towards Detecting the Crowd Involved in Social Events

  • Wei Huang,
  • Hongchao Fan and
  • Alexander Zipf

Knowing how people interact with urban environments is fundamental for a variety of fields, ranging from transportation to social science. Despite the fact that human mobility patterns have been a major topic of study in recent years, a challenge to...

  • Article
  • Open Access
1 Citations
1,343 Views
23 Pages

A Novel Classification Model for Suspicious Human Activities in Diverse Environments Using Fused Feature Block and Machine Vision Techniques

  • Bushra Mughal,
  • Fernando B. Duarte,
  • Tiago Cunha Reis and
  • Carlos Jorge Dos Santos Limão Sebastiã

13 April 2026

Automated detection of suspicious human activities in complex and crowded environments remains a critical challenge in modern surveillance systems due to high false-positive rates, poor contrast and generalization across diverse scenes. We propose a...

  • Article
  • Open Access
47 Citations
6,919 Views
16 Pages

Abnormal Activity Recognition from Surveillance Videos Using Convolutional Neural Network

  • Shabana Habib,
  • Altaf Hussain,
  • Waleed Albattah,
  • Muhammad Islam and ,
  • Sheroz Khan,
  • Rehan Ullah Khan and
  • Khalil Khan
  • + 2 authors+ 0 author

11 December 2021

Background and motivation: Every year, millions of Muslims worldwide come to Mecca to perform the Hajj. In order to maintain the security of the pilgrims, the Saudi government has installed about 5000 closed circuit television (CCTV) cameras to monit...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
8 Citations
2,628 Views
21 Pages

The Role of Cosolvent–Water Interactions in Effects of the Media on Functionality of Enzymes: A Case Study of Photobacterium leiognathi Luciferase

  • Albert E. Lisitsa,
  • Lev A. Sukovatyi,
  • Anna A. Deeva,
  • Dmitry V. Gulnov and ,
  • Elena N. Esimbekova,
  • Valentina A. Kratasyuk and
  • Elena V. Nemtseva
  • + 2 authors+ 0 author

13 June 2023

A complex heterogeneous intracellular environment seems to affect enzymatic catalysis by changing the mobility of biomolecules, their stability, and their conformational states, as well as by facilitating or hindering continuously occurring interacti...

(This article belongs to the Special Issue Recent Advances in Bioluminescence)
  • Feature Paper
  • Article
  • Open Access
4 Citations
4,740 Views
9 Pages

16 September 2020

Plastics pervade our environment and potentially release important quantities of plastic nanoparticles (NPs) from degradation in the environment. The purpose of this study was to examine the crowding effects of polystyrene NPs on lactate dehydrogenas...

  • Article
  • Open Access
6 Citations
4,991 Views
22 Pages

Enhancement of Neuroglial Extracellular Matrix Formation and Physiological Activity of Dopaminergic Neural Cocultures by Macromolecular Crowding

  • Andy N. Vo,
  • Srikanya Kundu,
  • Caroline Strong,
  • Olive Jung and ,
  • Emily Lee,
  • Min Jae Song,
  • Molly E. Boutin,
  • Michael Raghunath and
  • Marc Ferrer
  • + 4 authors+ 0 author

6 July 2022

The neuroglial extracellular matrix (ECM) provides critical support and physiological cues for the proper growth, differentiation, and function of neuronal cells in the brain. However, in most in vitro settings that study neural physiology, cells are...

(This article belongs to the Special Issue Neural Differentiation and Development)
  • Article
  • Open Access
10 Citations
5,097 Views
24 Pages

14 February 2022

Nowadays, wearables-based Human Activity Recognition (HAR) systems represent a modern, robust, and lightweight solution to monitor athlete performance. However, user data variability is a problem that may hinder the performance of HAR systems, especi...

(This article belongs to the Special Issue Applications of Body Worn Sensors and Wearables)
  • Article
  • Open Access
3 Citations
2,186 Views
32 Pages

Noise Levels Due to Commercial and Leisure Activities in Urban Areas: Experimental Validation of a Numerical Model Fed with Crowd Density Estimation Using Computer Vision

  • Óscar Ramón-Turner,
  • Jacob D. R. Bordón,
  • Asunción González-Rodríguez,
  • Javier Lorenzo-Navarro and ,
  • Modesto Castrillón-Santana,
  • Guillermo M. Álamo,
  • Román Quevedo-Reina,
  • Carlos Romero-Sánchez,
  • Antonio T. Ester-Sánchez and
  • Juan J. Aznárez
  • + 8 authors+ 3 authors

8 June 2025

Noise levels of anthropogenic origin in urban environments have reached thresholds that pose serious public health and quality of life problems. This paper/work aims to examine these noise levels, the underlying causes of their increase and possible...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
6 Citations
3,447 Views
14 Pages

Probing and Manipulating the Lateral Pressure Profile in Lipid Bilayers Using Membrane-Active Peptides—A Solid-State 19F NMR Study

  • Stephan L. Grage,
  • Sergii Afonin,
  • Marco Ieronimo,
  • Marina Berditsch and ,
  • Parvesh Wadhwani and
  • Anne S. Ulrich
  • + 1 author+ 0 author

The lateral pressure profile constitutes an important physical property of lipid bilayers, influencing the binding, insertion, and function of membrane-active peptides, such as antimicrobial peptides. In this study, we demonstrate that the lateral pr...

(This article belongs to the Special Issue NMR Tools and Their Application for Structural Biology of Bioactive Proteins)
  • Opinion
  • Open Access
17 Citations
3,850 Views
13 Pages

2 November 2019

We propose that active metabolic processes may regulate structural changes in biological membranes via the physical state of cell water. This proposition is based on recent results obtained from our group in yeast cells displaying glycolytic oscillat...

(This article belongs to the Special Issue Plasma Membrane Lipid Domains As a Favorable Environment for Protein:Lipid Interactions?)
  • Editorial
  • Open Access
6 Citations
3,984 Views
3 Pages

Nonequilibrium Phenomena in Confined Systems

  • Giancarlo Franzese,
  • Ivan Latella and
  • J. Miguel Rubi

20 September 2017

Confined systems exhibit a large variety of nonequilibrium phenomena. In this special issue, we have collected a limited number of papers that were presented during the XXV Sitges Conference on Statistical Mechanics, devoted to “Nonequilibrium phenom...

(This article belongs to the Special Issue Nonequilibrium Phenomena in Confined Systems)
  • Article
  • Open Access
8 Citations
2,681 Views
16 Pages

Land use types other than specialized athletic fields provide a variety of jogging environments, addressing the shortage of urban fitness facilities and promoting urban health as well as sustainability. Currently, there is limited research comparing...

(This article belongs to the Topic Healthy and Sustainable Living Environments: Green and Blue Spaces)
  • Article
  • Open Access
16 Citations
4,416 Views
11 Pages

Combined Effects of Confinement and Macromolecular Crowding on Protein Stability

  • Murial L. Ross,
  • Jeffrey Kunkel,
  • Steven Long and
  • Prashanth Asuri

12 November 2020

Confinement and crowding have been shown to affect protein fates, including folding, functional stability, and their interactions with self and other proteins. Using both theoretical and experimental studies, researchers have established the independ...

(This article belongs to the Section Molecular Biophysics)
  • Review
  • Open Access
1 Citations
1,396 Views
20 Pages

A brief summary of the effect of nonspecific interactions upon chemical equilibria in solutions containing a high total concentration of macromolecular solutes comparable to that found in biological fluid media is presented. Analyses of experimental...

(This article belongs to the Special Issue Investigations into Protein Structure)
  • Article
  • Open Access
6 Citations
3,081 Views
15 Pages

The Impact of Spatial Frequency on the Perception of Crowd Emotion: An fMRI Study

  • Dongfang Zhao,
  • Xiangnan Shen,
  • Shuaixia Li and
  • Weiqi He

9 December 2023

Recognizing the emotions of faces in a crowd is crucial for understanding overall behavior and intention as well as for smooth and friendly social interactions. However, it is unclear whether the spatial frequency of faces affects the discrimination...

(This article belongs to the Section Cognitive, Social and Affective Neuroscience)
  • Article
  • Open Access
17 Citations
3,109 Views
19 Pages

28 July 2023

Forest parks are important for ecological conservation, recreation, and the health and well-being of the people who use them. However, forest parks located in urban areas often face the problem of crowding. To better understand perceived crowding in...

(This article belongs to the Special Issue Urban Forest Construction and Sustainable Tourism Development)
  • Article
  • Open Access
55 Citations
9,997 Views
20 Pages

12 April 2020

With crowd logistics becoming a crucial part of the last-mile delivery challenge in many cities, continued participation of crowd workers has become an essential issue affecting the growth of the crowd logistics platform. Understanding how people are...

  • Article
  • Open Access
27 Citations
7,658 Views
17 Pages

Crowd Counting Using End-to-End Semantic Image Segmentation

  • Khalil Khan,
  • Rehan Ullah Khan,
  • Waleed Albattah,
  • Durre Nayab and ,
  • Ali Mustafa Qamar,
  • Shabana Habib and
  • Muhammad Islam
  • + 2 authors+ 0 author

Crowd counting is an active research area within scene analysis. Over the last 20 years, researchers proposed various algorithms for crowd counting in real-time scenarios due to many applications in disaster management systems, public events, safety...

(This article belongs to the Collection Deep Learning for Computer Vision: Algorithms, Theory and Application)
  • Article
  • Open Access
11 Citations
4,060 Views
28 Pages

1 January 2023

Tourism activities essentially represent the interaction between crowds and attractions. Thus, crowd dynamics are critical to the quality of the tourism experience in personalized tour recommendations. In order to generate dynamic, personalized tour...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Review
  • Open Access
197 Citations
15,292 Views
33 Pages

Beyond the Excluded Volume Effects: Mechanistic Complexity of the Crowded Milieu

  • Irina M. Kuznetsova,
  • Boris Y. Zaslavsky,
  • Leonid Breydo,
  • Konstantin K. Turoverov and
  • Vladimir N. Uversky

14 January 2015

Macromolecular crowding is known to affect protein folding, binding of small molecules, interaction with nucleic acids, enzymatic activity, protein-protein interactions, and protein aggregation. Although for a long time it was believed that the major...

(This article belongs to the Section Metabolites)
  • Article
  • Open Access
8 Citations
4,984 Views
15 Pages

26 April 2022

Managing citizen and community safety is one of the most essential services that future cities will require. Crowd analysis and monitoring are also a high priority in the current COVID-19 pandemic scenario, especially because large-scale gatherings c...

(This article belongs to the Special Issue Big Data Analytics in Internet of Things Environment)
  • Article
  • Open Access
12 Citations
3,899 Views
18 Pages

Bouncing is one of the most common human crowd activities on civil infrastructures such as sports stadiums and concert halls, where the audience tends to make their bodies jump up and down to celebrate or participate in sport and musical events. Dyna...

(This article belongs to the Special Issue Structural Vibration Serviceability and Human Comfort)
  • Article
  • Open Access
4 Citations
2,011 Views
25 Pages

Dynamic Response Study of Space Large-Span Structure under Stochastic Crowd-Loading Excitation

  • Shuwang Yang,
  • Gang Wang,
  • Qiang Xu,
  • Junfu He and ,
  • Minghao Yang and
  • Chenhao Su
  • + 1 author+ 0 author

24 April 2024

With the development of civil engineering, lightweight and high-strength materials, as well as large-span, low-frequency structural systems, are increasingly used. However, its self-oscillation frequency is often close to the stride frequency of pede...

(This article belongs to the Section Building Structures)
  • Article
  • Open Access
21 Citations
9,065 Views
17 Pages

Sensing and Forecasting Crowd Distribution in Smart Cities: Potentials and Approaches

  • Alket Cecaj,
  • Marco Lippi,
  • Marco Mamei and
  • Franco Zambonelli

8 January 2021

The possibility of sensing and predicting the movements of crowds in modern cities is of fundamental importance for improving urban planning, urban mobility, urban safety, and tourism activities. However, it also introduces several challenges at the...

  • Review
  • Open Access
502 Citations
26,360 Views
51 Pages

What Macromolecular Crowding Can Do to a Protein

  • Irina M. Kuznetsova,
  • Konstantin K. Turoverov and
  • Vladimir N. Uversky

12 December 2014

The intracellular environment represents an extremely crowded milieu, with a limited amount of free water and an almost complete lack of unoccupied space. Obviously, slightly salted aqueous solutions containing low concentrations of a biomolecule of...

(This article belongs to the Collection Feature Annual Reviews in Molecular Sciences)
  • Article
  • Open Access
41 Citations
5,856 Views
23 Pages

12 September 2019

There are a large number of biomolecules that are accountable for the extremely crowded intracellular environment, which is totally different from the dilute solutions, i.e., the idealized conditions. Such crowded environment due to the presence of m...

(This article belongs to the Special Issue Carbohydrate Polymers: Science and Applications)
  • Article
  • Open Access
1 Citations
1,114 Views
27 Pages

Vision-Based Trajectory Reconstruction in Human Activities: Methodology and Application

  • Jasper Lottefier,
  • Peter Van den Broeck and
  • Katrien Van Nimmen

13 December 2025

Modern civil engineering structures, such as footbridges, are increasingly susceptible to vibrations induced by human activities, emphasizing the importance of accurately assessing crowd-induced loading. Developing realistic load models requires deta...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
1 Citations
814 Views
16 Pages

Anthraquinones Inhibit Insulin Amyloidosis in Crowded Environments

  • Jiaxing Zhang,
  • Wen Wang,
  • Zubiyan Yibula,
  • Xin Peng and ,
  • Rongxin Su and
  • Wei Qi
  • + 1 author+ 0 author

26 March 2026

Natural anthraquinones possess a wide range of biological activities, including antibacterial, antiviral, antitumor, and antioxidant effects. However, studies on their ability to inhibit amyloid protein aggregation remain relatively limited. In this...

(This article belongs to the Section Bioorganic Chemistry)
  • Review
  • Open Access
39 Citations
12,605 Views
28 Pages

Advances and Trends in Real Time Visual Crowd Analysis

  • Khalil Khan,
  • Waleed Albattah,
  • Rehan Ullah Khan,
  • Ali Mustafa Qamar and
  • Durre Nayab

7 September 2020

Real time crowd analysis represents an active area of research within the computer vision community in general and scene analysis in particular. Over the last 10 years, various methods for crowd management in real time scenario have received immense...

(This article belongs to the Special Issue Applications of IoT and Machine Learning in Smart Cities)
  • Article
  • Open Access
758 Views
19 Pages

19 March 2026

This study reveals that a primarily ignored but crucial environmental situation—social crowding—can affect consumers’ sustainable behavior. The present research proposes a causal relationship between social crowding and consumer rec...

(This article belongs to the Section Waste and Recycling)
  • Review
  • Open Access
29 Citations
7,613 Views
25 Pages

Designing for Hybrid Intelligence: A Taxonomy and Survey of Crowd-Machine Interaction

  • António Correia,
  • Andrea Grover,
  • Daniel Schneider,
  • Ana Paula Pimentel and ,
  • Ramon Chaves,
  • Marcos Antonio de Almeida and
  • Benjamim Fonseca
  • + 2 authors+ 0 author

8 February 2023

With the widespread availability and pervasiveness of artificial intelligence (AI) in many application areas across the globe, the role of crowdsourcing has seen an upsurge in terms of importance for scaling up data-driven algorithms in rapid cycles...

(This article belongs to the Special Issue Novel Hybrid Intelligence Techniques in Engineering)
  • Article
  • Open Access
45 Citations
10,210 Views
15 Pages

13 March 2019

The sustainability of cruise tourism has been questioned in relation to its negative effects on ports of call, among which crowding has recently become more pronounced. However, an understanding of how crowdedness influences cruise tourists’ ex...

(This article belongs to the Collection Sustainable Innovation in Organizations for Improving Decisions)
  • Article
  • Open Access
8 Citations
5,066 Views
13 Pages

Awareness of Clenching and Underweight are Risk Factors for Onset of Crowding in Young Adults: A Prospective 3-Year Cohort Study

  • Naoki Toyama,
  • Daisuke Ekuni,
  • Ayano Taniguchi-Tabata,
  • Kota Kataoka and ,
  • Mayu Yamane-Takeuchi,
  • Kohei Fujimori,
  • Terumasa Kobayashi,
  • Daiki Fukuhara,
  • Koichiro Irie and
  • Manabu Morita
  • + 7 authors+ 2 authors

Bruxism is a parafunctional activity that can seriously affect quality of life. Although bruxism induces many problems in the oral and maxillofacial area, whether it contributes to the onset of malocclusion remains unclear. The purpose of this prospe...

(This article belongs to the Special Issue Oral Health of Children, Adolescents, Young Adults and Special Needs Population)
  • Article
  • Open Access
1 Citations
4,040 Views
38 Pages

2 December 2024

Mobile apps have revolutionized almost every aspect of our daily lives, shaping the way we shop, learn and work. The transformative and unprecedented impact they have made on our lifestyle and the convenience they have offered have increased their ad...

(This article belongs to the Section Computing and Artificial Intelligence)
  • Article
  • Open Access
6 Citations
8,368 Views
21 Pages

iNUIT: Internet of Things for Urban Innovation

  • Francesco Carrino,
  • Elena Mugellini,
  • Omar Abou Khaled,
  • Nabil Ouerhani and
  • Juergen Ehrensberger

Internet of Things (IoT) seems a viable way to enable the Smart Cities of the future. iNUIT (Internet of Things for Urban Innovation) is a multi-year research program that aims to create an ecosystem that exploits the variety of data coming from mult...

(This article belongs to the Special Issue Ecosystemic Evolution Feeded by Smart Systems)
  • Article
  • Open Access
4 Citations
2,033 Views
22 Pages

Urban footbridges are critical infrastructure increasingly challenged by vibration issues induced by crowd activity. Real-time monitoring of pedestrian dynamics is essential for evaluating structural safety, ensuring pedestrian comfort, and enabling...

(This article belongs to the Topic Advances in Intelligent Construction, Operation and Maintenance, 2nd Edition)
  • Article
  • Open Access
1 Citations
758 Views
19 Pages

11 March 2026

As urbanization accelerates in China, the protection and renewal of historical and cultural districts have become key issues. The Beiyuanmen Historical and Cultural District in Xi’an, with its long history and cultural significance, is a prime...

(This article belongs to the Section Tourism, Culture, and Heritage)
  • Article
  • Open Access
9 Citations
4,046 Views
26 Pages

Allogeneic Serum and Macromolecular Crowding Maintain Native Equine Tenocyte Function in Culture

  • Andrea Rampin,
  • Ioannis Skoufos,
  • Michael Raghunath,
  • Athina Tzora and ,
  • Nikolaos Diakakis,
  • Nikitas Prassinos and
  • Dimitrios I. Zeugolis
  • + 2 authors+ 0 author

5 May 2022

The absence of a native extracellular matrix and the use of xenogeneic sera are often associated with rapid tenocyte function losses during in vitro culture. Herein, we assessed the influence of different sera (equine serum and foetal bovine serum) o...

(This article belongs to the Collection Advances in Cell Culture and Tissue Engineering)
  • Technical Note
  • Open Access
22 Citations
4,976 Views
14 Pages

27 July 2021

Unmanned aerial vehicles (UAV) and related technologies have played an active role in the prevention and control of novel coronaviruses at home and abroad, especially in epidemic prevention, surveillance, and elimination. However, the existing UAVs h...

(This article belongs to the Special Issue Advances in Civil Applications of Unmanned Aircraft Systems)
  • Article
  • Open Access
6 Citations
3,675 Views
18 Pages

Parameterized Site Selection Approach of Park Entrance Based on Crowd Simulation and Design Requirement

  • Jun Wu,
  • Xi Wang,
  • Limin Huang,
  • Ziyu Wang and ,
  • Da Wan and
  • Pengbo Li
  • + 1 author+ 0 author

20 May 2023

With the extensive application of data analysis in various parts of the landscape design process, Building Information Modeling (BIM), City Information Modeling (CIM), and Landscape Information Modeling (LIM) all aim to achieve key data sharing and c...

of 9