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  • Article
  • Open Access
26 Citations
5,093 Views
18 Pages

Laboratory and On-Road Evaluation of a GPF-Equipped Gasoline Vehicle

  • Ricardo Suarez-Bertoa,
  • Tero Lähde,
  • Jelica Pavlovic,
  • Victor Valverde,
  • Michael Clairotte and
  • Barouch Giechaskiel

9 August 2019

The introduction of a solid particle number limit for vehicles with gasoline direct injection (GDI) engines resulted in a lot of research and improvements in this field in the last decade. The requirement to also fulfil the limit in the recently intr...

  • Feature Paper
  • Article
  • Open Access
916 Views
17 Pages

20 July 2025

To improve the prediction accuracy of soot load in gasoline particulate filters (GPFs) and the control accuracy during GPF regeneration, this study developed a prediction model to predict the soot mass concentration at the GPF inlet of gasoline direc...

  • Article
  • Open Access
6 Citations
2,102 Views
18 Pages

Modified BaMnO3-Based Catalysts for Gasoline Particle Filters (GPF): A Preliminary Study

  • Verónica Torregrosa-Rivero,
  • María-Salvadora Sánchez-Adsuar and
  • María-José Illán-Gómez

28 October 2022

Gasoline engines, mainly gasoline direct injection engines (GDI) require, in addition to three-way catalysts (TWC), a new catalytic system to remove the formed soot. Gasoline Particle Filters (GPF) are, among others, a possible solution. BaMnO3 and c...

  • Article
  • Open Access
264 Views
15 Pages

23 December 2025

This study presents a one-dimensional numerical simulation of particulate matter (PM) oxidation and regeneration behavior in gasoline particulate filters (GPFs) under Worldwide Harmonized Light Vehicles Test Cycle (WLTC) conditions. The model incorpo...

  • Article
  • Open Access
1,574 Views
20 Pages

Potential of PN Reduction in Passenger Cars with DPF and GPF

  • Zbigniew Stepien,
  • Pierre Comte,
  • Danilo Engelmann,
  • Jan Czerwinski,
  • Andreas Mayer and
  • Lauretta Rubino

22 January 2025

Particle number concentration (PN) in vehicle exhaust and ambient air describes the number of ultrafine particles (UFPs) below 500 nm, which are recognized as a toxic and carcinogenic component of pollution and are regulated in several countries. Met...

  • Article
  • Open Access
8 Citations
3,314 Views
9 Pages

An Experimental Investigation of the Impact of Washcoat Composition on Gasoline Particulate Filter (GPF) Performance

  • Junjun Wang,
  • Fuwu Yan,
  • Na Fang,
  • Dong Yan,
  • Guoqing Zhang,
  • Yu Wang and
  • Wulin Yang

5 February 2020

The forthcoming implementation of the China VI emission regulations, which are currently the most stringent around the world targeted at light-duty gasoline engine vehicles, will not only further restrict the emissions of gaseous pollutants, but also...

  • Article
  • Open Access
1,514 Views
19 Pages

Study on the Influence of the Cell Structure on the Pressure Drop of Gasoline Particulate Filter

  • Lishuan Huang,
  • Chao He,
  • Nan Yang,
  • Jiaqiang Li,
  • Yanlin Chen,
  • Haisheng Yu,
  • Dongge Wang and
  • Yangyu Yao

The cell structure of a gasoline particulate filter (GPF) is made up of thousands of individual cells. Although the symmetric square cell structure of the GPF is commonly used internationally, several cell designs have been proposed to reduce the pre...

  • Article
  • Open Access
861 Views
19 Pages

1 April 2025

In order to meet new real-world emissions standards and reduce particulates emitted by GDI engines, automakers are increasingly adopting gasoline particulate filters (GPFs). The uniformity of axial permeation velocity through porous medium in GPFs si...

  • Article
  • Open Access
27 Citations
5,687 Views
19 Pages

Particle Number Emissions of a Euro 6d-Temp Gasoline Vehicle under Extreme Temperatures and Driving Conditions

  • Barouch Giechaskiel,
  • Victor Valverde,
  • Anastasios Kontses,
  • Anastasios Melas,
  • Giorgio Martini,
  • Andreas Balazs,
  • Jon Andersson,
  • Zisis Samaras and
  • Panagiota Dilara

10 May 2021

With the introduction of gasoline particulate filters (GPFs), the particle number (PN) emissions of gasoline direct-injection (GDI) vehicles are below the European regulatory limit of 6 × 1011 p/km under certification conditions. Nevertheless, concer...

  • Article
  • Open Access
3 Citations
2,523 Views
19 Pages

15 November 2023

Fractal theory was used to characterize particles and particle trapping parameters to accurately predict the particle filtration process inside a gasoline engine particle filter (GPF). The particles were fractal aggregates, and the fractal dimension...

  • Article
  • Open Access
1 Citations
885 Views
25 Pages

28 April 2025

To accurately predict the performance of GPF trapping, this study proposes a non-homogeneous dynamic extended capture model for a gasoline particulate filter (GPF). The model consists of a non-homogeneous filter wall sub-model, a filter wall temperat...

  • Article
  • Open Access
9 Citations
3,878 Views
17 Pages

26 April 2022

In recent years, particulate filters have become mandatory in almost all gasoline-powered vehicles to comply with emission standards regarding particulate number. In contrast to diesel applications, monitoring gasoline particulate filters (GPFs) by d...

  • Article
  • Open Access
24 Citations
4,552 Views
12 Pages

16 November 2022

Blood is a meat by-product rich in proteins with properties that can be improved after hydrolysis, making it a sustainable alternative for use in the generation of bioactive peptides. The objective of this study was to identify dipeptidyl peptidase I...

  • Article
  • Open Access
7 Citations
3,433 Views
19 Pages

Modelling the Influence of Different Soot Types on the Radio-Frequency-Based Load Detection of Gasoline Particulate Filters

  • Stefanie Walter,
  • Peter Schwanzer,
  • Gunter Hagen,
  • Gerhard Haft,
  • Hans-Peter Rabl,
  • Markus Dietrich and
  • Ralf Moos

6 May 2020

Gasoline particulate filters (GPFs) are an appropriate means to meet today’s emission standards. As for diesel applications, GPFs can be monitored via differential pressure sensors or using a radio-frequency approach (RF sensor). Due to largely...

  • Feature Paper
  • Article
  • Open Access
22 Citations
3,679 Views
16 Pages

Nanostructured Equimolar Ceria-Praseodymia for Total Oxidations in Low-O2 Conditions

  • Enrico Sartoretti,
  • Fabio Martini,
  • Marco Piumetti,
  • Samir Bensaid,
  • Nunzio Russo and
  • Debora Fino

1 February 2020

A Gasoline Particulate Filter (GPF) can be an effective solution to abate the particulate matter produced in modern direct injection gasoline engines. The regeneration of this system is critical, since it occurs in oxygen deficiency, but it can be pr...

  • Article
  • Open Access
13 Citations
4,889 Views
19 Pages

Challenging Conditions for Gasoline Particulate Filters (GPFs)

  • Barouch Giechaskiel,
  • Anastasios Melas,
  • Victor Valverde,
  • Marcos Otura and
  • Giorgio Martini

9 January 2022

The emission limit of non-volatile particles (i.e., particles that do not evaporate at 350 °C) with size >23 nm, in combination with the real driving emissions (RDE) regulation in 2017, resulted in the introduction of gasoline particulate filt...

  • Proceeding Paper
  • Open Access
1 Citations
2,470 Views
3 Pages

Sensing Catalytic Converters and Filters at Work Using Radio Frequencies

  • Ralf Moos,
  • Stefanie Walter,
  • Carsten Steiner and
  • Gunter Hagen

18 December 2018

The state of catalysts and filters plays a key role in automotive exhaust gas aftertreatment. The soot or ash loading of particulate filters (GPF or DPF), the oxygen loading of three-way catalysts (TWC), the amount of stored ammonia in SCR catalysts,...

  • Feature Paper
  • Review
  • Open Access
21 Citations
4,267 Views
21 Pages

22 July 2021

The energy efficiency of Gasoline Direct Injection (GDI) engines is leading to a continuous increase in GDI engine vehicle population. Consequently, their particulate matter (soot) emissions are also becoming a matter of concern. As required for dies...

  • Article
  • Open Access
638 Views
16 Pages

A Gradient-Projected Model for Image Denoising

  • Yuming Wen,
  • Yu Liu,
  • Zhaozhi Liang,
  • Guangjun Xu,
  • Cong Lin and
  • Guancheng Wang

19 December 2025

Digital images are prone to various forms of noise during acquisition, which can distort structural information and hinder subsequent processing. This work proposes AuroraNet, a denoising framework that extends the dual-branch design of DudeNet and i...

  • Article
  • Open Access
19 Citations
3,804 Views
22 Pages

BaFe1−xCuxO3 Perovskites as Active Phase for Diesel (DPF) and Gasoline Particle Filters (GPF)

  • Verónica Torregrosa-Rivero,
  • Carla Moreno-Marcos,
  • Vicente Albaladejo-Fuentes,
  • María-Salvadora Sánchez-Adsuar and
  • María-José Illán-Gómez

31 October 2019

BaFe1−xCuxO3 perovskites (x = 0, 0.1, 0.3 and 0.4) have been synthetized, characterized and tested for soot oxidation in both Diesel and Gasoline Direct Injection (GDI) exhaust conditions. The catalysts have been characterized by BET, ICP-OES,...

  • Article
  • Open Access
4 Citations
2,001 Views
22 Pages

27 October 2023

Ba0.9A0.1MnO3 (BM-A) and Ba0.9A0.1Mn0.7Cu0.3O3 (BMC-A) (A = Mg, Ca, Sr, Ce, La) perovskite-type mixed oxides were synthesised, characterised, and used for soot oxidation in simulated Gasoline Direct Injection (GDI) engine exhaust conditions. The samp...

  • Article
  • Open Access
18 Citations
4,617 Views
16 Pages

Effect of Grape Pomace Flour in Savory Crackers: Technological, Nutritional and Sensory Properties

  • Joana Marcos,
  • Raquel Carriço,
  • Maria João Sousa,
  • M. Lídia Palma,
  • Paula Pereira,
  • M. Cristiana Nunes and
  • Marisa Nicolai

24 March 2023

The wine industry generates large amounts of by-products that are usually destined as waste. Grape pomace is the residue of the winemaking process and is rich in compounds with functional properties, such as dietary fiber and phenolic compounds. The...

  • Article
  • Open Access
11 Citations
3,616 Views
14 Pages

Pharmacokinetic Study of Bioactive Glycopeptide from Strongylocentrotus droebachiensis After Intranasal Administration to Rats Using Biomarker Approach

  • Alexander N. Shikov,
  • Olga N. Pozharitskaya,
  • Natalia M. Faustova,
  • Vera M. Kosman,
  • Valery G. Makarov,
  • Ebrahim Razzazi-Fazeli and
  • Johannes Novak

11 October 2019

A glycopeptide fraction (GPF) from internal organs of green sea urchins (Strongylocentrotus droebachiensis Müller, Strongylocentrotidae) has been reported to be an effective bronchitis treatment. In this study, we evaluated the pharmacokinetic and ti...

  • Article
  • Open Access
9 Citations
3,380 Views
18 Pages

10 June 2021

Heat moisture treatment (HMT) can be a useful method of wheat flour functionality modification, improving the nutritional value of pasta along with grape peels (GPF) addition. The aim of this study was to investigate the combined effects of HMT tempe...

  • Article
  • Open Access
4 Citations
3,602 Views
17 Pages

28 February 2023

An optimum operation of a gasoline particulate filter (GPF) for a gasoline direct injection vehicle in terms of its performance of pressure drop, soot loading, and filtration efficiency becomes inevitable to fulfill upcoming emission regulations. Thi...

  • Article
  • Open Access
36 Citations
8,798 Views
17 Pages

9 March 2015

In this study, the particle formation and reduction characteristics at the engine-out position, after a three-way catalyst (TWC) and a metal foam gasoline particulate filter (GPF), were evaluated for a gasoline direct-injection (GDI) engine under par...

  • Article
  • Open Access
3 Citations
3,954 Views
15 Pages

Load-Bearing Performance and Safety Assessment of Grid Pile Foundation

  • Rui Tang,
  • Yongyi Wang,
  • Weili Zhang and
  • Yuyong Jiao

2 August 2022

Group piles with cushion caps are a common structural form for deep-water bridge foundations. However, their application is limited by the challenges of complex construction, difficult recovery of the supporting large-scale temporary structure, and h...

  • Article
  • Open Access
1 Citations
1,911 Views
16 Pages

Quasi-Static Test and Lateral Load-Bearing Capacity of a New Grid Pile Foundation for Long-Span Bridges

  • Weiyuan Zhu,
  • Jiaqi Cheng,
  • Yutao Pang,
  • Hongbin An,
  • Junpeng Zou,
  • Jie Ren and
  • Cheng Zhang

31 January 2024

This study proposes a new form of underground diaphragm wall foundation with hexagonal sections, called the grid pile foundation (GPF), which is used for long-span bridges. To investigate the lateral bearing capacity characteristics of the integrated...

  • Article
  • Open Access
7 Citations
2,904 Views
21 Pages

With the construction and development of the smart grid, the power business puts higher requirements on the communication capability of the network. In order to improve the energy efficiency of the space–air–ground-integrated power three-...

  • Article
  • Open Access
7 Citations
3,095 Views
21 Pages

Development of a Novel Gasoline Particulate Filter Loading Method Using a Burner Bench

  • Frank Dorscheidt,
  • Stefan Pischinger,
  • Johannes Claßen,
  • Stefan Sterlepper,
  • Sascha Krysmon,
  • Michael Görgen,
  • Martin Nijs,
  • Pawel Straszak and
  • Abdelrahman Mahfouz Abdelkader

11 August 2021

In view of the deliberations on new Euro 7 emission standards to be introduced by 2025, original equipment manufacturers (OEMs) are already hard at work to further minimise the pollutant emissions of their vehicles. A particular challenge in this con...

  • Article
  • Open Access
5 Citations
2,352 Views
14 Pages

Synthesis of Highly Porous Graphene Oxide–PEI Foams for Enhanced Sound Absorption in High-Frequency Regime

  • Seung-Chan Jung,
  • Wonjun Jang,
  • Byeongji Beom,
  • Jong-Keon Won,
  • Jihoon Jeong,
  • Yu-Jeong Choi,
  • Man-Ki Moon,
  • Eou-Sik Cho,
  • Keun-A Chang and
  • Jae-Hee Han

24 October 2024

High-frequency noise exceeding 1 kHz has emerged as a pressing public health issue in industrial and occupational settings. In response to this challenge, the present study explores the development of a graphene oxide–polyethyleneimine (GO-PEI)...

  • Article
  • Open Access
4 Citations
2,127 Views
19 Pages

Soot Monitoring of Gasoline Particulate Filters Using a Radio-Frequency-Based Sensor

  • Stefanie Walter,
  • Peter Schwanzer,
  • Gunter Hagen,
  • Hans-Peter Rabl,
  • Markus Dietrich and
  • Ralf Moos

13 September 2023

Owing to increasingly stringent emission limits, particulate filters have become mandatory for gasoline-engine vehicles. Monitoring their soot loading is necessary for error-free operation. The state-of-the-art differential pressure sensors suffer fr...

  • Article
  • Open Access
19 Citations
6,814 Views
18 Pages

2 September 2015

Recently, a novel method emerged to determine the oxygen storage degree of three way catalysts (TWC) by a microwave-based method. Up to now, this method has been investigated only in lab-scale reactors or under steady state conditions. This work expa...

  • Article
  • Open Access
41 Citations
4,700 Views
16 Pages

18 January 2020

In this paper, an improved method for estimating the state of charge (SOC) of lithium-ion batteries is proposed, which is developed from the particle filter (PF). An improved genetic particle filter (GPF), owing to the advantages of the PF and geneti...

  • Feature Paper
  • Article
  • Open Access
513 Views
17 Pages

Grape Pomace Flour as a Sustainable Ingredient in Cookie Formulation for Fiber, Free, and Bound Phenols Improvement

  • Carlos E. Galindo-Corona,
  • Gloria A. Martinez-Medina,
  • Ricardo Gómez-García,
  • Ayerim Y. Hernández-Almanza,
  • Jorge Armando Meza-Velázquez,
  • Martha Lizeth Quintana-Burciaga,
  • Mariana Mesta-Corral,
  • Cristian Torres-León and
  • Nathiely Ramírez-Guzmán

24 January 2026

This study aimed to evaluate the substitution of wheat flour (WF) for grape (Vitis vinifera L.) pomace (GP) on cookie formulation. The techno-functional properties of GP flour (GPF) were characterized, and cookie formulations containing 15% (C15) and...

  • Article
  • Open Access
108 Citations
4,871 Views
18 Pages

Inequalities by Means of Generalized Proportional Fractional Integral Operators with Respect to Another Function

  • Saima Rashid,
  • Fahd Jarad,
  • Muhammad Aslam Noor,
  • Humaira Kalsoom and
  • Yu-Ming Chu

11 December 2019

In this article, we define a new fractional technique which is known as generalized proportional fractional (GPF) integral in the sense of another function Ψ . The authors prove several inequalities for newly defined GPF-integral with res...

  • Article
  • Open Access
7 Citations
2,381 Views
16 Pages

Exploring the Benefits of Nutritional and Chemical Characteristics of Touriga Nacional and Arinto Varieties (Vitis vinifera L.)

  • Paula Pereira,
  • Maria Lídia Palma,
  • Carla Palma,
  • Carlos Borges,
  • Elisabete Maurício,
  • Ana Luísa Fernando,
  • Maria Paula Duarte,
  • Manuela Lageiro,
  • Ana Fernandes and
  • Marisa Nicolai
  • + 1 author

15 May 2024

Environmental degradation leads to an unsustainable food system. In addition to this issue, the consumption of foods that improve people’s health and well-being is recommended. One of the alternatives is undoubtedly the use of by-products of wi...

  • Article
  • Open Access
52 Citations
10,099 Views
13 Pages

Hydrocolloid-Based Coatings are Effective at Reducing Acrylamide and Oil Content of French Fries

  • Asmaa Al-Asmar,
  • Daniele Naviglio,
  • Concetta Valeria L. Giosafatto and
  • Loredana Mariniello

18 April 2018

French fries are popular products worldwide. However, this product is a sufferable source of high acrylamide due to high temperature and low moisture. The main objective of this study was to evaluate the effect of grass pea flour (GPF), transglutamin...

  • Feature Paper
  • Article
  • Open Access
17 Citations
5,410 Views
11 Pages

Physicochemical Composition and Sensory Quality of Goat Meat Burgers. Effect of Fat Source

  • Alfredo Teixeira,
  • Iasmin Ferreira,
  • Etelvina Pereira,
  • Lia Vasconcelos,
  • Ana Leite and
  • Sandra Rodrigues

6 August 2021

Several strategies for producing healthier meat products have been developed. Reducing fat content, using different fat sources, modifying and improving the fatty acid profile or even replacing saturated fat with oleogels are some of the methods used...

  • Article
  • Open Access
8 Citations
544 Views
15 Pages

21 March 2025

In this work, weighted Newton-type inequalities (WN-TI) for multiple classes of functions by employing generalized proportional fractional (GPF) integrals are established. The core step involves establishing a key integral identity under a positive w...

  • Article
  • Open Access
1 Citations
1,825 Views
19 Pages

Sustainable Intervention: Grape Pomace Flour Ameliorates Fasting Glucose and Mitigates Streptozotocin-Induced Pancreatic Damage in a Type 2 Diabetes Animal Model

  • Raphaela Cassol Piccoli,
  • William Sanabria Simões,
  • Solange Vega Custódio,
  • Kelen Cristiane Machado Goularte,
  • Karina Pereira Luduvico,
  • Julia Eisenhardt de Mello,
  • Anita Avila de Souza,
  • Ana Carolina Teixeira,
  • Diego Araujo da Costa and
  • Maria Lídia Palma
  • + 8 authors

14 November 2024

Background/Objectives: Type 2 Diabetes Mellitus (T2DM) is characterized by hyperglycemia, increased risk of cardiovascular diseases, and oxidative imbalances. This study aimed to investigate the impact of dietary supplementations with ‘Arinto&r...

  • Article
  • Open Access
15 Citations
3,180 Views
19 Pages

28 May 2019

Increasingly stringent emission regulations have imposed strict requirements on the particulate matter (PM) from gasoline direct injection (GDI) engines, and the gasoline particulate filters (GPFs) are considered one of the most promising devices for...

  • Article
  • Open Access
2 Citations
2,584 Views
14 Pages

Emission Durability of a China-6 Light-Duty Gasoline Vehicle

  • Junfang Wang,
  • Zhenxian Xu,
  • Wenhui Lu,
  • Yan Ding,
  • Yunjing Wang,
  • Lijun Hao and
  • Yunshan Ge

30 August 2024

Reducing vehicle emissions and minimizing the impact of the transportation industry on the environment are key to achieving global sustainable development goals. China-6 emissions standard requires light-duty gasoline vehicles to meet the emissions l...

  • Article
  • Open Access
18 Citations
3,592 Views
13 Pages

7 August 2023

Adiposity and bone mineral density (BMD) are closely associated. The aim of this research was to investigate the association between BMD and adiposity measures in adults, including gynoid percent fat (GPF), android percent fat (APF), total percent fa...

  • Article
  • Open Access
3 Citations
2,402 Views
15 Pages

10 October 2024

Thousands of particle number (PN) counters have been introduced to the European market, following the implementation of PN tests during the periodic technical inspection (PTI) of diesel vehicles equipped with particulate filters. Expanding the PN-PTI...

  • Article
  • Open Access
6 Citations
5,046 Views
10 Pages

Influence of Secondary School Students’ Physical Fitness on Sports Performance during an Ultimate Frisbee Competition

  • Javier Portillo,
  • Alfredo Bravo-Sánchez,
  • Pablo Abián,
  • Alberto Dorado-Suárez and
  • Javier Abián-Vicén

The aim of the present study was to investigate the effect of secondary school students’ fitness profile on physical and technical–tactical performance in simulated competition conditions of ultimate frisbee when there is no previous expe...

  • Article
  • Open Access
1,060 Views
28 Pages

1 September 2025

In the context of increasingly stringent vehicle emission regulations, computer-aided engineering has been indispensable for optimizing the design and the operational strategies of emission control systems. This paper proposes a new filtration model...

  • Article
  • Open Access
60 Citations
4,980 Views
22 Pages

17 January 2020

This paper proposes a fusion indoor positioning method that integrates the pedestrian dead-reckoning (PDR) and geomagnetic positioning by using the genetic-particle filter (GPF) algorithm. In the PDR module, the Mahony complementary filter (MCF) algo...

  • Article
  • Open Access
4 Citations
3,170 Views
20 Pages

A Robot Dynamic Target Grasping Method Based on Affine Group Improved Gaussian Resampling Particle Filter

  • Yong Tao,
  • Fan Ren,
  • He Gao,
  • Tianmiao Wang,
  • Shan Jiang,
  • Yufang Wen and
  • Jiangbo Lan

1 November 2021

Tracking and grasping a moving target is currently a challenging topic in the field of robotics. The current visual servo grasping method is still inadequate, as the real-time performance and robustness of target tracking both need to be improved. A...

  • Article
  • Open Access
48 Citations
8,978 Views
15 Pages

3D-Printed GelMA/PEGDA/F127DA Scaffolds for Bone Regeneration

  • Jianpeng Gao,
  • Ming Li,
  • Junyao Cheng,
  • Xiao Liu,
  • Zhongyang Liu,
  • Jianheng Liu and
  • Peifu Tang

Tissue-engineered scaffolds are an effective method for the treatment of bone defects, and their structure and function are essential for bone regeneration. Digital light processing (DLP) printing technology has been widely used in bone tissue engine...

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