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

253 Results Found

  • Article
  • Open Access
886 Views
26 Pages

Super-Resolution Reconstruction of Formation MicroScanner Images Based on the SRGAN Algorithm

  • Changqiang Ma,
  • Xinghua Qi,
  • Liangyu Chen,
  • Yonggui Li,
  • Jianwei Fu and
  • Zejun Liu

17 July 2025

Formation MicroScanner Image (FMI) technology is a key method for identifying fractured reservoirs and optimizing oil and gas exploration, but its inherent insufficient resolution severely constrains the fine characterization of geological features....

  • Article
  • Open Access
11 Citations
2,818 Views
16 Pages

5 July 2023

In industrial manufacturing and research laboratories, precise machining of work materials is crucial to meet the demand for fast assembly and sustainable high-quality production. Precise machining procedures play a vital role in manufacturing compat...

  • Article
  • Open Access
2 Citations
2,087 Views
16 Pages

14 September 2022

In order to explore the development characteristics and influencing factors of microscale pores in lacustrine organic-rich muddy shale, this study selected five shale samples with different mineral compositions from the Qingshankou Formation in the S...

  • Article
  • Open Access
6 Citations
5,469 Views
20 Pages

An Integrated Approach for Formation Micro-Image Rock Typing Based on Petrography Data: A Case Study in Shallow Marine Carbonates

  • Polina Kharitontseva,
  • Andy Gardiner,
  • Marina Tugarova,
  • Dmitrii Chernov,
  • Elizaveta Maksimova,
  • Ilia Churochkin and
  • Valeriy Rukavishnikov

Core rock-typing (RT) is commonly used for creating geologically reliable models of porous media in carbonate reservoirs. This approach is more advanced than the traditional porosity–permeability relationship and is based on the division of carbonate...

  • Article
  • Open Access
3 Citations
3,094 Views
24 Pages

14 October 2023

The identification of sedimentary structures in lithofacies is of great significance to the exploration and development of Paleogene shale in the Boxing Sag. However, due to the scale mismatch between the thickness of laminae and the vertical resolut...

  • Article
  • Open Access
12 Citations
3,292 Views
20 Pages

Influence of Fracture Types on Oil Production in Naturally Fractured Reservoirs

  • Milos Pejic,
  • Riyaz Kharrat,
  • Ali Kadkhodaie,
  • Siroos Azizmohammadi and
  • Holger Ott

5 October 2022

Since more than half of the crude oil is deposited in naturally fractured reservoirs, more research has been focused on characterizing and understanding the fracture impact on their production performance. Naturally open fractures are interpreted fro...

  • Article
  • Open Access
14 Citations
5,972 Views
23 Pages

9 August 2018

The Tazhong area of the Tarim Basin contains abundant oil and gas resources in Ordovician carbonate rocks, especially in the karst pores and caves of the Yingshan Formation. Research has indicated that the Yingshan Formation underwent a 7–11 Ma...

  • Article
  • Open Access
500 Views
19 Pages

Faults and fractures play a critical role in subsurface systems; they may act as hydrocarbon traps, compartmentalize reservoirs, or serve as conduits for fluid migration across stratigraphic intervals. Consequently, fault delineation from seismic dat...

  • Article
  • Open Access
2 Citations
2,588 Views
15 Pages

28 June 2022

In this paper, a universal multi–frequency micro-resistivity array imaging (UMMAI) system for subsurface sensing is developed and verified. Different from conventional micro-resistivity imaging equipments, UMMAI is capable to provide high-resol...

  • Review
  • Open Access
27 Citations
10,249 Views
23 Pages

A Review of Planar PIV Systems and Image Processing Tools for Lab-On-Chip Microfluidics

  • Fahrettin Gökhan Ergin,
  • Bo Beltoft Watz and
  • Nicolai Fog Gade-Nielsen

13 September 2018

Image-based sensor systems are quite popular in micro-scale flow investigations due to their flexibility and scalability. The aim of this manuscript is to provide an overview of current technical possibilities for Particle Image Velocimetry (PIV) sys...

  • Letter
  • Open Access
11 Citations
6,007 Views
11 Pages

Simulation of Fresnel Zone Plate Imaging Performance with Number of Zones

  • Ying Li,
  • Ombeline de La Rochefoucauld and
  • Philippe Zeitoun

20 November 2020

In recent years, integral imaging, a promising three-dimensional imaging technology, has attracted more and more attention for its broad applications in robotics, computational vision, and medical diagnostics. In the visible spectrum, an integral ima...

  • Article
  • Open Access
2,369 Views
13 Pages

Biconometric Connections in Dental Implants: A Pilot Mechanical Study

  • Nicole Riberti,
  • Michele Furlani,
  • Emanuele Tognoli,
  • Adriano Piattelli,
  • Luca Comuzzi,
  • Alessandra Giuliani and
  • Andrea Gatto

23 March 2025

Background: In dental implants, micro-gaps at the fixation–abutment interface can cause peri-implantitis and/or loosening or loss of the fixation screw; therefore, three-dimensional imaging is widely used to examine different types of connectio...

  • Article
  • Open Access
740 Views
12 Pages

18 July 2025

CdS nanowires have garnered considerable attention lately for their promising potential in next-generation nanolaser devices, attributed to their relatively high stability and exceptional emission efficiency within the Ⅱ–Ⅵ semicondu...

  • Feature Paper
  • Article
  • Open Access
13 Citations
2,313 Views
17 Pages

2 June 2023

The Fullbore Formation Micro Imager (FMI) represents a proficient method for examining subterranean oil and gas deposits. Despite its effectiveness, due to the inherent configuration of the borehole and the logging apparatus, the micro-resistivity im...

  • Article
  • Open Access
14 Citations
7,565 Views
11 Pages

31 October 2018

Accurately measuring the number of viable microorganisms plays an essential role in microbiological studies. Since the conventional agar method of enumerating visible colonies is time-consuming and not accurate, efforts have been made towards overcom...

  • Article
  • Open Access
5 Citations
2,789 Views
15 Pages

Squeezing Droplet Formation in a Flow-Focusing Micro Cross-Junction

  • Filippo Azzini,
  • Beatrice Pulvirenti,
  • Massimiliano Rossi and
  • Gian Luca Morini

28 February 2024

Motivated by the increasing need of optimised micro-devices for droplet production in medical and biological applications, this paper introduces an integrated approach for the study of the liquid–liquid droplet creation in flow-focusing micro c...

  • Article
  • Open Access
1 Citations
1,961 Views
10 Pages

Use of X-ray Microscopy for Confirmation of Crystallinity Detection in Amorphous Formulations by Electrospray Laser Desorption Ionization Mass Spectrometry Imaging

  • Kelsey K. Ramp,
  • Noah R. Dierckman,
  • Margaret A. Sperry,
  • Matthew E. Reuter,
  • Yongan Tang,
  • Gregory K. Webster and
  • Patrick A. McVey

24 September 2023

The use of mass spectrometry imaging for crystallinity detection offers improved matrix selectivity and sensitivity over the techniques, such as X-ray microscopy and Raman spectrometry, that are traditionally used with this work. Crystallinity is obs...

  • Article
  • Open Access
10 Citations
6,679 Views
16 Pages

The use of borehole imaging tools has become widespread in recent years with more specialized studies of reservoir properties, particularly in highly-porous and fractured carbonate systems. In this study, the Formation MicroScanner (FMS) borehole ima...

  • Article
  • Open Access
6 Citations
2,911 Views
24 Pages

Characterization of the Carbonate Formation Fracture System Based on Well Logging Data and Results of Laboratory Measurements

  • Marek Stadtműller,
  • Paulina I. Krakowska-Madejska,
  • Grzegorz Leśniak and
  • Jadwiga A. Jarzyna

22 September 2021

This article presents a novel methodology for data integration including laboratory data, the results of standard well logging measurements and interpretation and the interpretation of XRMI imager data for determination of the porosity and permeabili...

  • Article
  • Open Access
5 Citations
2,023 Views
11 Pages

15 May 2024

To investigate the feasibility and formation laws of fabricating micro-dimples induced by near-wall laser-induced cavitation bubble (LICB) on 7050 aluminum alloy. A high-speed camera and a fiber-optic hydrophone system were used to capture pulsation...

  • Article
  • Open Access
638 Views
14 Pages

Droplet Diameter Variability Induced by Flow Oscillations in a Micro Cross-Junction

  • Filippo Azzini,
  • Beatrice Pulvirenti,
  • Gian Luca Morini and
  • Cesare Biserni

16 September 2025

This study investigates the stochastic variation in droplet size generated within a microfluidic flow-focusing cross-junction. A commercial micro cross-junction was used to experimentally analyze droplet formation under fixed flow rate conditions. An...

  • Article
  • Open Access
4 Citations
3,838 Views
10 Pages

In this paper, surfaces of thin films prepared from blends of collagen, hyaluronic acid, and chitosan and modified by neodymium laser radiation were researched. To evaluate the laser beam effect on the surface structure, scanning electron microscopy...

  • Article
  • Open Access
3 Citations
3,775 Views
23 Pages

Stress-Dependent Permeability of Naturally Micro-Fractured Shale

  • Jianglin He,
  • Jian Wang,
  • Qian Yu,
  • Chaojie Cheng and
  • Harald Milsch

The permeability characteristics of natural fracture systems are crucial to the production potential of shale gas wells. To investigate the permeability behavior of a regional fault that is located within the Wufeng Formation, China, the gas permeabi...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,477 Views
16 Pages

Detection of Bacteria-Induced Early-Stage Dental Caries Using Three-Dimensional Mid-Infrared Thermophotonic Imaging

  • Robert Welch,
  • Koneswaran Sivagurunathan,
  • Pantea Tavakolian,
  • Kimberly Ngai,
  • Bo Huang,
  • Stephen Abrams,
  • Yoav Finer and
  • Andreas Mandelis

Tooth decay, or dental caries, is a widespread and costly disease that is reversible when detected early in its formation. Current dental caries diagnostic methods including X-ray imaging and intraoral examination lack the sensitivity and specificity...

  • Article
  • Open Access
14 Citations
4,386 Views
16 Pages

Benefit of Later-Time-Point PET Imaging of HER3 Expression Using Optimized Radiocobalt-Labeled Affibody Molecules

  • Sara S. Rinne,
  • Charles Dahlsson Leitao,
  • Zahra Saleh-nihad,
  • Bogdan Mitran,
  • Vladimir Tolmachev,
  • Stefan Ståhl,
  • John Löfblom and
  • Anna Orlova

HER3-binding affibody molecules are a promising format for visualization of HER3 expression. Cobalt-55, a positron-emitting isotope, with a half-life of 17.5 h, allows for next-day imaging. We investigated the influence of the charge of the radiocoba...

  • Article
  • Open Access
4 Citations
3,430 Views
23 Pages

A Method for Evaluation the Fatigue Microcrack Propagation in Human Cortical Bone Using Differential X-ray Computed Tomography

  • Petr Koudelka,
  • Daniel Kytyr,
  • Tomas Fila,
  • Jan Sleichrt,
  • Vaclav Rada,
  • Petr Zlamal,
  • Pavel Benes,
  • Vendula Bendova,
  • Ivana Kumpova and
  • Michal Vopalensky

11 March 2021

Fatigue initiation and the propagation of microcracks in a cortical bone is an initial phase of damage development that may ultimately lead to the formation of macroscopic fractures and failure of the bone. In this work, a time-resolved high-resoluti...

  • Article
  • Open Access
7 Citations
2,505 Views
12 Pages

10 December 2020

Titanium Ti6Al4V alloy is a superior material that has extremely high strength, hardness and good anti-corrosion resistance. Dynamic shear-compression experiments were carried out on the alloy to investigate the micro-mechanisms of adiabatic shear ba...

  • Article
  • Open Access
7 Citations
3,937 Views
29 Pages

29 October 2021

The objective of this study is to quantitatively evaluate the soil structure behavior when under shear stress to understand the mechanism of shear zone formation using a micro-focus X-ray computed tomography (CT) scanner to visualize the internal sam...

  • Article
  • Open Access
17 Citations
4,506 Views
16 Pages

23 July 2019

Sulfate attack tests were performed on concrete samples with three water-to-cement ratios, and micro-crack growth patterns on concrete surfaces were recorded. The expansive stress and crack nucleation caused by delayed ettringite formation (DEF) were...

  • Article
  • Open Access
20 Citations
5,696 Views
15 Pages

Dual Blockade of TNF and IL-17A Inhibits Inflammation and Structural Damage in a Rat Model of Spondyloarthritis

  • Ihsan Hammoura,
  • Renee H. Fiechter,
  • Shaughn H. Bryant,
  • Susan Westmoreland,
  • Gillian Kingsbury,
  • Wendy Waegell,
  • Sander W. Tas,
  • Dominique L. Baeten,
  • Marleen G. H. van de Sande and
  • Leonie M. van Duivenvoorde
  • + 1 author

The tumor necrosis factor (TNF) and IL-23/IL-17 axes are the main therapeutic targets in spondyloarthritis. Despite the clinical efficacy of blocking either pathway, monotherapy does not induce remission in all patients and its effect on new bone for...

  • Article
  • Open Access
16 Citations
5,711 Views
15 Pages

Ageing, Shocks and Wear Mechanisms in ZTA and the Long-Term Performance of Hip Joint Materials

  • Armelle Perrichon,
  • Bernard Haochih Liu,
  • Jérôme Chevalier,
  • Laurent Gremillard,
  • Bruno Reynard,
  • Frédéric Farizon,
  • Jiunn-Der Liao and
  • Jean Geringer

24 May 2017

The surface morphologies and microstructures of Zirconia Toughened Alumina (ZTA) femoral heads were analyzed following in vitro tests aiming to simulate in vivo degradation. Three phenomena potentially leading to degradation were investigated: shocks...

  • Article
  • Open Access
4 Citations
3,925 Views
13 Pages

Fluorescence and Raman Micro-Spectroscopy of LiF Films Containing Radiation-Induced Defects for X-ray Detection

  • Francesca Bonfigli,
  • Sabina Botti,
  • Maria Aurora Vincenti,
  • Rosa Maria Montereali,
  • Alessandro Rufoloni,
  • Pasquale Gaudio and
  • Riccardo Rossi

Lithium fluoride (LiF) film detectors for extreme ultraviolet radiation, soft and hard X-rays, based on the photoluminescence of radiation-induced electronic defects, have been proposed and are currently under further development and investigation. L...

  • Article
  • Open Access
1 Citations
2,284 Views
16 Pages

Tuning the Liquid–Vapour Interface of VLS Epitaxy for Creating Novel Semiconductor Nanostructures

  • Galih R. Suwito,
  • Vladimir G. Dubrovskii,
  • Zixiao Zhang,
  • Weizhen Wang,
  • Sofiane Haffouz,
  • Dan Dalacu,
  • Philip J. Poole,
  • Peter Grutter and
  • Nathaniel J. Quitoriano

27 February 2023

Controlling the morphology and composition of semiconductor nano- and micro-structures is crucial for fundamental studies and applications. Here, Si-Ge semiconductor nanostructures were fabricated using photolithographically defined micro-crucibles o...

  • Article
  • Open Access
1 Citations
2,522 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...

  • Article
  • Open Access
10 Citations
2,937 Views
11 Pages

5 August 2020

This study aims to evaluate the safety and efficacy of a poly lactic-co-glycolic acid (PLGA)-coated β-tricalcium phosphate (β-TCP) with N-methyl-2-pyrrolidone (NMP) liquid activator (PLGA/β-TCP) on alveolar ridge preservation after too...

  • Article
  • Open Access
3 Citations
1,501 Views
14 Pages

27 June 2023

The study of microfractures in shale is mainly based on qualitative description. Conversely, quantitative description of the parameters of shale microfractures can provide a quantitative basis for shale fracture characterization and shale physical pr...

  • Article
  • Open Access
22 Citations
4,836 Views
18 Pages

Estimation of Fatigue Crack Growth Rate in Heat-Resistant Steel by Processing of Digital Images of Fracture Surfaces

  • Pavlo Maruschak,
  • Roman Vorobel,
  • Oleksandra Student,
  • Iryna Ivasenko,
  • Halyna Krechkovska,
  • Olena Berehulyak,
  • Teodor Mandziy,
  • Lesia Svirska and
  • Olegas Prentkovskis

4 November 2021

The micro- and macroscopic fatigue crack growth (FCG) rates of a wide class of structural materials were analyzed and it was concluded that both rates coincide either during high-temperature tests or at high stress intensity factor (SIF) values. Thei...

  • Article
  • Open Access
9 Citations
217 Views
7 Pages

Radiomorphometric Quantitative Analysis of Vasculature Utilizing Micro-Computed Tomography and Vessel Perfusion in the Murine Mandible

  • Xi Lin Jing,
  • Aaron S. Farberg,
  • Laura A. Monson,
  • Alexis Donneys,
  • Catherine N. Tchanque-Fossuo and
  • Steven R. Buchman

Purpose: Biomechanical, densitometric, and histological analyses have been the mainstay for reproducible outcome measures for investigation of new bone formation and osseous healing. Here we report the addition of radiomorphometric vascular analysis...

  • Review
  • Open Access
2 Citations
3,545 Views
16 Pages

Imaging Hallmarks of Sarcoma Progression Via X-ray Computed Tomography: Beholding the Flower of Evil

  • Elena Popova,
  • Sergey Tkachev,
  • Igor Reshetov,
  • Peter Timashev and
  • Ilya Ulasov

19 October 2022

Sarcomas are a leading cause of cancer death in individuals younger than 20 years of age and represent the largest group of rare solid tumors. To date, more than 100 morphological subtypes of sarcomas have been described, among which epidemiology, cl...

  • Article
  • Open Access
1,586 Views
19 Pages

13 August 2025

In Chinese character learning, distinguishing similar characters is challenging for learners regardless of their proficiency. This is due to the complex orthography (visual word form) linking symbol, pronunciation, and meaning. Multimedia learning is...

  • Article
  • Open Access
1 Citations
2,957 Views
25 Pages

Morphometric, Biomechanical and Macromolecular Performances of β-TCP Macro/Micro-Porous Lattice Scaffolds Fabricated via Lithography-Based Ceramic Manufacturing for Jawbone Engineering

  • Carlo Mangano,
  • Nicole Riberti,
  • Giulia Orilisi,
  • Simona Tecco,
  • Michele Furlani,
  • Christian Giommi,
  • Paolo Mengucci,
  • Elisabetta Giorgini and
  • Alessandra Giuliani

Effective bone tissue regeneration remains pivotal in implant dentistry, particularly for edentulous patients with compromised alveolar bone due to atrophy and sinus pneumatization. Biomaterials are essential for promoting regenerative processes by s...

  • Article
  • Open Access
1,507 Views
18 Pages

A micro-mirror array plate is a type of aerial image display that allows an observer to touch the aerial image directly. The problem with this optical element is that it produces stray light, called a ghost, which reduces the visibility of the aerial...

  • Article
  • Open Access
8 Citations
3,612 Views
20 Pages

Investigation of the Crack Behavior of CRC Using 4D Computed Tomography, Photogrammetry, and Fiber Optic Sensing

  • Josiane Giese,
  • Max Herbers,
  • Frank Liebold,
  • Franz Wagner,
  • Szymon Grzesiak,
  • Christoph de Sousa,
  • Matthias Pahn,
  • Hans-Gerd Maas,
  • Steffen Marx and
  • Birgit Beckmann
  • + 1 author

14 October 2023

The highly irregular crack pattern of reinforced concrete has been studied primarily at the surface. The ability to extend image correlation into the interior of structures by using X-ray computed tomography (CT) opens up new possibilities for analyz...

  • Article
  • Open Access
9 Citations
3,037 Views
16 Pages

From Macro to Micro: Comparison of Imaging Techniques to Detect Vascular Network Formation in Left Ventricle Decellularized Extracellular Matrix Hydrogels

  • Meng Zhang,
  • Vasilena E. Getova,
  • Francisco Drusso Martinez-Garcia,
  • Theo Borghuis,
  • Janette K. Burgess and
  • Martin C. Harmsen

10 November 2022

Background: Angiogenesis is a crucial process in physiological maintenance and tissue regeneration. To understand the contribution of angiogenesis, it is essential to replicate this process in an environment that reproduces the biochemical and physic...

  • Article
  • Open Access
18 Citations
4,142 Views
18 Pages

Modification of Surface and Subsurface Properties of AA1050 Alloy by Shot Peening

  • Yasemin Yıldıran Avcu,
  • Berkay Gönül,
  • Okan Yetik,
  • Fikret Sönmez,
  • Abdulkadir Cengiz,
  • Mert Guney and
  • Egemen Avcu

1 November 2021

AA1050 Al alloy samples were shot-peened using stainless-steel shots at shot peening (SP) pressures of 0.1 and 0.5 MPa and surface cover rates of 100% and 1000% using a custom-designed SP system. The hardness of shot-peened samples was around twice t...

  • Article
  • Open Access
3 Citations
1,967 Views
13 Pages

Studies of Fractal Microstructure in Nanocarbon Polymer Composites

  • Igor Artyukov,
  • Stefano Bellucci,
  • Vladimir Kolesov,
  • Vadim Levin,
  • Egor Morokov,
  • Maxim Polikarpov and
  • Yulia Petronyuk

10 May 2024

The in situ study of fractal microstructure in nanocarbon polymers is an actual task for their application and for the improvement in their functional properties. This article presents a visualization of the bulk structural features of the composites...

  • Article
  • Open Access
10 Citations
4,017 Views
12 Pages

17 July 2019

Micro-arc discharge events and dielectric breakdown of oxide films play an important role in the formation process of plasma electrolytic oxidation coating. Single pulse anodization of micro-electrodes was employed to study the discharge behavior and...

  • Feature Paper
  • Article
  • Open Access
7 Citations
3,345 Views
15 Pages

Optimized High-Content Imaging Screening Quantifying Micronuclei Formation in Polymer-Treated HaCaT Keratinocytes

  • Fariba Saadati,
  • Walison Augusto da Silva Brito,
  • Steffen Emmert and
  • Sander Bekeschus

15 December 2022

Research on nano- and micro-plastic particles (NMPPs) suggests their potential threat to human health. Some studies have even suggested genotoxic effects of NMPP exposure, such as micronuclei (MN) formation, while others found the opposite. To clarif...

  • Article
  • Open Access
10 Citations
3,543 Views
11 Pages

Estimation of the Effect of Accelerating New Bone Formation of High and Low Molecular Weight Hyaluronic Acid Hybrid: An Animal Study

  • Po-Jan Kuo,
  • Hsiu-Ju Yen,
  • Chi-Yu Lin,
  • Hsuan-Yu Lai,
  • Chun-Hung Chen,
  • Shwu-Huey Wang,
  • Wei-Jen Chang,
  • Sheng-Yang Lee and
  • Haw-Ming Huang

24 May 2021

Osteoconduction is an important consideration for fabricating bio-active materials for bone regeneration. For years, hydroxyapatite and β-calcium triphosphate (β-TCP) have been used to develop bone grafts for treating bone defects. However, this mate...

  • Article
  • Open Access
6 Citations
7,038 Views
18 Pages

Quantitative Study of Porosity and Pore Features in Moldavites by Means of X-ray Micro-CT

  • Giovanni Pratesi,
  • Stefano Caporali,
  • Francesca Loglio,
  • Gabriele Giuli,
  • Lenka Dziková and
  • Roman Skála

24 April 2014

X-ray micro-computer aided tomography (μ-CT), together with optical microscopy and imaging, have been applied to the study of six moldavite samples. These techniques enabled a complete characterization to be made of the textural features of both Muon...

of 6