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23 Results Found

  • Article
  • Open Access
5 Citations
4,162 Views
15 Pages

Heterogeneous networks (HetNets), which are combined with a macrocell and picocell in the same coverage, are expected to further increase the system capacity in fifth-generation mobile systems and beyond. In HetNets, the cell range expansion (CRE) te...

  • Article
  • Open Access
3,491 Views
15 Pages

The use of heterogeneous networks (HetNets) that combine macrocells and picocells in the same coverage is effective in increasing system capacity and improving user throughput. The use of high carrier frequency bands is also expected to help achievin...

  • Article
  • Open Access
6 Citations
4,031 Views
11 Pages

8 June 2020

In this research, simulations were performed to investigate the effects of carrier selective front contact (CSFC) layer and defect state of hydrogenated amorphous silicon passivation layer/n-type crystalline silicon interface in silicon heterojunctio...

  • Article
  • Open Access
4 Citations
4,014 Views
12 Pages

An Alternative Exploitation of Synechocystis sp. PCC6803: A Cascade Approach for the Recovery of High Added-Value Products

  • Paola Imbimbo,
  • Luigi D’Elia,
  • Iolanda Corrado,
  • Gerardo Alvarez-Rivera,
  • Antonio Marzocchella,
  • Elena Ibáñez,
  • Cinzia Pezzella,
  • Filipe Branco dos Santos and
  • Daria Maria Monti

31 March 2023

Microalgal biomass represents a very interesting biological feedstock to be converted into several high-value products in a biorefinery approach. In this study, the cyanobacterium Synechocystis sp. PCC6803 was used to obtain different classes of mole...

  • Article
  • Open Access
10 Citations
3,319 Views
42 Pages

20 March 2021

The objective of the present study is to predict how changes in the fracture treatment design parameters will affect the production performance of new gas wells in a target zone of the Marcellus shale. A recently developed analytical flow-cell model...

  • Article
  • Open Access
23 Citations
6,344 Views
10 Pages

Properties of Thermally Evaporated Titanium Dioxide as an Electron-Selective Contact for Silicon Solar Cells

  • Changhyun Lee,
  • Soohyun Bae,
  • HyunJung Park,
  • Dongjin Choi,
  • Hoyoung Song,
  • Hyunju Lee,
  • Yoshio Ohshita,
  • Donghwan Kim,
  • Yoonmook Kang and
  • Hae-Seok Lee

5 February 2020

Recently, titanium oxide has been widely investigated as a carrier-selective contact material for silicon solar cells. Herein, titanium oxide films were fabricated via simple deposition methods involving thermal evaporation and oxidation. This study...

  • Article
  • Open Access
5 Citations
3,775 Views
15 Pages

21 December 2021

Despite the potential in single- and multi-junction solar cells application, research into the wide band gap CuIn1xGax(Se1ySy)2 or CIG(SSe)2 solar cell material, with Eg1.5eV, has yet to be extensively performed to date. In this wor...

  • Article
  • Open Access
13 Citations
6,386 Views
10 Pages

7 July 2018

The band structure characteristics of a copper indium gallium sulfur selenide (Cu(In1–xGax)SeS, CIGS) solar cell incorporating a cadmium-free zinc sulfide (ZnS) buffer layer were investigated using technology computer-aided design simulations....

  • Article
  • Open Access
1,405 Views
17 Pages

12 June 2025

Quantum dots (QDs) are nanoparticles with intrinsic fluorescence. Recent studies have found that metal-based QDs often impart toxic effects on the biological systems they interact with. Their undefined limitations have offset their potential for biom...

  • Article
  • Open Access
6 Citations
2,820 Views
13 Pages

17 November 2020

Signaling pathways, depending on the second messenger molecule cAMP, modulate hippocampal cell signaling via influencing transcription factors like cAMP-regulated element-binding protein (CREB) or early growth response 1 EGR1/Krox24/zif268/ZENK (EGR1...

  • Article
  • Open Access
3,201 Views
22 Pages

Buffer pH-Driven Electrokinetic Concentration of Proteins in a Straight Microfluidic Channel

  • Diganta Dutta,
  • Xavier Palmer,
  • Debajit Chakraborty and
  • Lanju Mei

We present a buffer-pH-modulated electrokinetic concentration strategy in MEMS microchannels that harnesses simple pH shifts to neutralize and charge proteins, reversibly “pausing” them at a planar electric-gate electrode by tuning to the...

  • Article
  • Open Access
22 Citations
6,603 Views
12 Pages

Simulation of Silicon Heterojunction Solar Cells for High Efficiency with Lithium Fluoride Electron Carrier Selective Layer

  • Muhammad Quddamah Khokhar,
  • Shahzada Qamar Hussain,
  • Duy Phong Pham,
  • Sunhwa Lee,
  • Hyeongsik Park,
  • Youngkuk Kim,
  • Eun-Chel Cho and
  • Junsin Yi

2 April 2020

In this work, to ameliorate the quantum efficiency (QE), we made a valuable development by using wide band gap material, such as lithium fluoride (LiFx), as an emitter that also helped us to achieve outstanding efficiency with silicon heterojunction...

  • Article
  • Open Access
1 Citations
640 Views
10 Pages

A Long-Wave Infrared Circularly Polarized Photodetector Based on an Array of Trapezoidal Silicon Pillars

  • Bo Cheng,
  • Yuxiao Zou,
  • Taohua Liang,
  • Ansheng Ye,
  • Kunpeng Zhai and
  • Longfeng Lv

17 November 2025

Integrating metasurface-based polarizing filters atop photodetectors enables the expansion of detection capabilities from intensity to polarization, offering significant potential for applications requiring high-precision discrimination in scientific...

  • Article
  • Open Access
29 Citations
7,135 Views
17 Pages

Microdose Lithium Protects against Pancreatic Islet Destruction and Renal Impairment in Streptozotocin-Elicited Diabetes

  • Jiahui Zhang,
  • Fnu Anshul,
  • Deepak K. Malhotra,
  • Juan Jaume,
  • Lance D. Dworkin and
  • Rujun Gong

19 January 2021

Psychiatric use of lithium has been associated with hypoglycemic effects, but its effect on type 1 diabetes mellitus (T1D) is unknown. In streptozotocin (STZ) induced murine models of T1D, microdose lithium therapy improved hyperglycemia, attenuated...

  • Article
  • Open Access
27 Citations
5,030 Views
26 Pages

Solar Cell Technology Selection for a PV Leaf Based on Energy and Sustainability Indicators—A Case of a Multilayered Solar Photovoltaic Tree

  • Nallapaneni Manoj Kumar,
  • Shauhrat S. Chopra,
  • Maria Malvoni,
  • Rajvikram Madurai Elavarasan and
  • Narottam Das

5 December 2020

Harnessing energy from the sunlight using solar photovoltaic trees (SPVTs) has become popular at present as they reduce land footprint and offer numerous complimentary services that offset infrastructure. The SPVT’s complimentary services are n...

  • Article
  • Open Access
11 Citations
4,862 Views
27 Pages

Adaptive Handover Management in High-Mobility Networks for Smart Cities

  • Yahya S. Junejo,
  • Faisal K. Shaikh,
  • Bhawani S. Chowdhry and
  • Waleed Ejaz

14 January 2025

The seamless handover of mobile devices is critical for maximizing the potential of smart city applications, which demand uninterrupted connectivity, ultra-low latency, and performance in diverse environments. Fifth-generation (5G) and beyond-5G netw...

  • Article
  • Open Access
19 Citations
6,291 Views
16 Pages

Chemoprevention of Rat Mammary Carcinogenesis by Apiaceae Spices

  • Farrukh Aqil,
  • Jeyaprakash Jeyabalan,
  • Radha Munagala,
  • Srivani Ravoori,
  • Manicka V. Vadhanam,
  • David J. Schultz and
  • Ramesh C. Gupta

16 February 2017

Scientific evidence suggests that many herbs and spices have medicinal properties that alleviate symptoms or prevent disease. In this study, we examined the chemopreventive effects of the Apiaceae spices, anise, caraway, and celery seeds against 17β-...

  • Feature Paper
  • Article
  • Open Access
2,080 Views
23 Pages

Gaussian Process Regression for Machine Learning on Effective Crystal Graphs of Body-Centered Cubic Iron

  • Blaise Awola Ayirizia,
  • Adrian De la Rocha,
  • Valeria I. Arteaga-Muñiz,
  • Yu-Hang Tang,
  • Wibe A. De Jong and
  • Jorge A. Muñoz San Martín

6 November 2025

Most machine learning algorithms operate on vectorized data with Euclidean structures because of the significant mathematical advantages offered by Hilbert space, but improved representational efficiency may offset more involved learning on non-Eucli...

  • Article
  • Open Access
159 Views
17 Pages

6 February 2026

A sulfide online-monitoring system (S-OMS) was developed using a 3D-printed microfluidic platform to monitor sulfide in bioreactors. The S-OMS consisted of an electrochemical cell in which a microdevice was 3D-printed with co-polyester filaments and...

  • Article
  • Open Access
11 Citations
3,772 Views
10 Pages

Identifying Robust Radiomics Features for Lung Cancer by Using In-Vivo and Phantom Lung Lesions

  • Lin Lu,
  • Shawn H. Sun,
  • Aaron Afran,
  • Hao Yang,
  • Zheng Feng Lu,
  • James So,
  • Lawrence H. Schwartz and
  • Binsheng Zhao

9 February 2021

We propose a novel framework for determining radiomics feature robustness by considering the effects of both biological and noise signals. This framework is preliminarily tested in a study predicting the epidermal growth factor receptor (EGFR) mutati...

  • Article
  • Open Access
467 Views
25 Pages

Targeting Skin Aging Hallmarks In Vitro: Antioxidant, Anti-Inflammatory, and Anti-Senescence Effects of Phenolic-Rich Extracts from Cistus L. Species

  • Mário Pedro Marques,
  • Euclides Landim,
  • Carla Varela,
  • Ricardo M. F. da Costa,
  • Joana Marques,
  • Luís A. E. Batista de Carvalho,
  • Ana Silva,
  • Maria Teresa Cruz,
  • Rebeca André and
  • Célia Cabral
  • + 4 authors

22 January 2026

Plant-based extracts are rich sources of phenolic compounds, which may act as skin antiaging mediators. Herein, Cistus albidus L. (Ca), Cistus ladanifer L. subsp. ladanifer (Cl) and Cistus salviifolius L. (Cs) were selected to test whether their phyt...

  • Review
  • Open Access
9 Citations
5,913 Views
30 Pages

16 April 2022

To restrict global warming and relieve climate change, the world economy requires to decarbonize and reduce carbon dioxide (CO2) emissions to net-zero by mid-century. Carbon capture and storage (CCS), and carbon capture and utilization (CCU), by whic...

  • Article
  • Open Access
2 Citations
3,818 Views
36 Pages

20 June 2023

Over the last two decades, spaceborne polarimetric synthetic aperture radar (PolSAR) has been widely used to penetrate sea ice surfaces to achieve fully polarimetric high-resolution imaging at all times of day and in a range of weather conditions. Mo...