Article
Engineering, Civil
Zhanbin Luo, Jun Fan, Ming'an Shao, Qian Yang, Miao Gan
Summary: Weathered bedrock particles were found to interfere with infiltration and evaporation processes in loess hilly-gully critical zones. Additionally, characteristics of rock core samples and spatiotemporal water variation in woodland and shrubland slopes were investigated. The study provides insights into the water cycle in shallow soils and water resource utilization under climate change.
JOURNAL OF HYDROLOGY
(2023)
Article
Engineering, Geological
Ana Sofia Dias, Marianna Pirone, Marco Valerio Nicotera, Gianfranco Urciuoli
Summary: This study proposed a method to obtain soil hydraulic characterization in unsaturated conditions on natural pyroclastic samples and verified its feasibility through experiments. The approach enables a full evaluation of soil hydraulic properties and the effects of hydraulic hysteresis, successfully describing the hysteretic behavior of pyroclastic soil under various conditions and paths.
Article
Engineering, Civil
Fei Yang, David G. Rossiter, Yue He, Volker Karius, Gan-Lin Zhang, Daniela Sauer
Summary: Loess content has significant effects on soil hydrological properties in coarse-textured soils, especially in subsoils with low SOC contents. However, for coarse-textured topsoils, SOC content plays a dominant role in affecting soil hydrological properties.
JOURNAL OF HYDROLOGY
(2022)
Article
Engineering, Civil
Simone Di Prima, Ryan D. Stewart, Majdi R. Abou Najm, Ludmila Ribeiro Roder, Filippo Giadrossich, Sergio Campus, Rafael Angulo-Jaramillo, Deniz Yilmaz, Pier Paolo Roggero, Mario Pirastru, Laurent Lassabatere
Summary: Water-repellent soils experience water flow impedance and progressive increase of infiltration rate during wetting process, which current infiltration models cannot describe. The modified BEST-WR method provides a new approach for hydraulic characterization of soils at any stage of water-repellency, introducing a new index to assess soil water repellency.
JOURNAL OF HYDROLOGY
(2021)
Article
Environmental Sciences
Shmuel Assouline
Summary: The properties of the upper soil layer play a crucial role in determining infiltration, runoff, and evaporation processes, essential for soil agricultural and hydrological functioning. Understanding important hydrological and agricultural functions based on soil water retention characteristics can provide valuable insights for efficient design and planning in agricultural and hydrological applications.
WATER RESOURCES RESEARCH
(2021)
Article
Engineering, Civil
Arthur Klebson Belarmino dos Santos, Majken Caroline Looms, Quirijn de Jong van Lier
Summary: Soil hydraulic properties (SHPs) are commonly determined in soil samples, and the merging process of these parameters should consider standard errors and correlation matrix. This study presents a method to merge these parameters and evaluates its effectiveness and representativeness using stochastic realizations.
JOURNAL OF HYDROLOGIC ENGINEERING
(2022)
Article
Agronomy
Angela Libutti, Matteo Francavilla, Massimo Monteleone
Summary: Biochar can improve soil-water relations, increase plant-available water, and reduce soil water loss. The experiment demonstrated that the addition of biochar decreased bulk density, increased water retention, but decreased water infiltration rate in the soil.
Article
Geosciences, Multidisciplinary
D. Moret-Fernandez, A. Arroyo, J. Herrero, O. Barrantes, C. L. Alados, Y. Pueyo
Summary: Increasing gypsum content can enhance soil water infiltration without affecting water retention capacity and total porosity. Moderate grazing in semi-arid regions does not have negative effects on soil hydro-physical properties.
Article
Soil Science
S. Jace Kaminski, Behzad Ghanbarian, Stacey Kulesza, Bo V. Iversen, Andres Patrignani
Summary: Understanding the effect of sample volume on soil properties is important for hydrogeology, soil physics, and environmental engineering. This study uses percolation theory to estimate the scale dependency of hydraulic conductivity in soils. The researchers applied classification methods and conducted experiments on soil samples from four Danish sites to determine the relationship between pore size distribution and hydraulic conductivity. The theoretical estimates aligned well with experimental measurements, showing that the theory provides accurate estimations in certain soil textures and classes.
Article
Environmental Sciences
Yunquan Wang, Rui Ma, Gaofeng Zhu
Summary: This study introduces a novel method to predict hydraulic conductivity curves (HCCs) fully from the soil water retention curve (SWRC) without requiring additional parameters. Testing with soil samples shows that this method significantly improves the prediction of HCC compared to traditional methods.
WATER RESOURCES RESEARCH
(2022)
Article
Forestry
Stefan Julich, Janis Kreiselmeier, Simon Scheibler, Rainer Petzold, Kai Schwarzel, Karl-Heinz Feger
Summary: The study found that different tree species have a distinct impact on hydrological properties and soil pore size distribution. Older forest stands have higher transmission pores and therefore higher infiltration rates and water conductance. Oak trees showed higher hydraulic conductivities and air capacities compared to spruce, indicating a more connected macropore system. Additional measurements are needed to further understand the soil hydraulic properties of forest soils in temperate climates.
Article
Soil Science
Xingxing Kuang, Jiu Jimmy Jiao, Jipeng Shan, Zhenlei Yang
Summary: A new modification to the van Genuchten soil water retention model is proposed, aiming to improve the agreement between predicted and measured relative hydraulic conductivity by combining with the Mualem model. The modified model, MVG-BCB, shows significant improvement in predicting relative hydraulic conductivity for soils with varied textures, eliminating sharp drops near saturation.
EUROPEAN JOURNAL OF SOIL SCIENCE
(2021)
Article
Ecology
Manuel Esteban Lucas-Borja, Pedro Antonio Plaza-Alvarez, S. M. Mijan Uddin, Misagh Parhizkar, Demetrio Antonio Zema
Summary: This study evaluated soil hydrology in a semi-arid soil of Central Eastern Spain after a wildfire. Results showed that the burned area had a 27% decrease in runoff compared to the bare soil, while the area with unburned vegetation had a 58% decrease. The burned areas with Macrochloa tenacissima had similar soil losses as the bare soils, while erosion was much lower in the sites with unburned vegetation.
JOURNAL OF ARID ENVIRONMENTS
(2022)
Article
Environmental Sciences
Han Lin, Jin He, Hongwen Li, Qingjie Wang, Caiyun Lu, Wenchao Yang, Quanyu Wang, Hanyu Yang
Summary: Permanent raised beds (PRB) are widely used in agriculture for conserving soil and water resources. This study evaluated the effects of PRB on soil hydraulic properties in North China Plain. The results showed that PRB improved soil porosity, organic carbon content, water retention, and infiltration rates. PRB application can enhance water use efficiency and improve soil quality.
LAND DEGRADATION & DEVELOPMENT
(2023)
Article
Energy & Fuels
Emmanuel Salifu, Grainne El Mountassir, James M. Minto, Alessandro Tarantino
Summary: The growth of Pleurotus ostreatus, a saprotrophic fungus, has been found to induce water repellency in sands. This study investigates the effects of P. ostreatus growth on the hydraulic behavior of sand amended with organic matter over a 12-week period. The results show that fungal treatment leads to changes in wetting and drying curves, hydraulic conductivity, and infiltration rates, attributed to the clogging of soil pores by fungal hyphal biomass.
GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT
(2022)
Article
Chemistry, Multidisciplinary
Pratibha Tripathi, Rahul Uttam, Sandeep Kumar, Roman Dabrowski, Ravindra Dhar
Summary: This study examines the thermodynamic, dielectric, and electro-optical properties of a room temperature nematic liquid crystal mixed with surface-stabilized gold nanoparticles. The results show that the addition of nanoparticles decreases the transition temperature of the liquid crystal and enhances its dielectric anisotropy. The study also identifies a relaxation mode in the dielectric behavior, caused by the flip-flop motion of the nematic molecules.
Article
Telecommunications
Sandeep Kumar, Puspraj Singh Chauhan, Manpreet Kaur, Tarun Lata
Summary: This paper studies the effective capacity performance of a delay-sensitive communication system over a cascaded Rayleigh fading channel with arbitrary correlation. Closed-form mathematical expressions for the effective capacity are derived, and the effect of different fading parameters on the system's effective throughput is demonstrated.
WIRELESS PERSONAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Vanishree S. Bhat, Marichandran Vadivel, Dharmendra Pratap Singh, V. A. Raghunathan, Arun Roy, Sandeep Kumar
Summary: In this study, a series of novel nitrogen and oxygen-incorporated chromenonaphthophenanthridine-based elliptical dimers were synthesized through tandem Pictet-Spengler cyclization followed by ipso-aromatic substitution in one-pot. Their mesophase characteristics were characterized by optical microscopy, differential scanning calorimetry, and X-ray diffraction studies. The photophysical properties were investigated using UV-vis and emission spectroscopy, and the charge transport properties were analyzed by time-of-flight measurements, with observed ambipolar mobilities of the order of 10(-3) cm(2) V-1 s(-1). These materials show promising potential for applications in organic electronics due to their high solubility, excellent thermal stability, self-organizing properties, and ambipolar charge transport characteristics.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Engineering, Electrical & Electronic
Dimpal Janu, Sandeep Kumar, Kuldeep Singh
Summary: GCN-CSS is a novel Graph Convolution Network-based cooperative spectrum sensing methodology that adapts to the dynamic changes in the Cognitive Radio Network. The proposed model is proven to be superior in different dynamic scenarios of the wireless environment through sufficient simulations.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Khalid K. Almuzaini, Shalini Stalin, Sindhu P. Menon, Sandeep Kumar, Stephen Ojo, Prashant Kumar Shukla, Piyush Kumar Pareek, Piyush Kumar Shukla
Summary: In wireless sensor networks, the challenge lies in designing and managing the networks considering limited power, stringent bandwidth, dynamic topology, and high network density. The proposed IGRPSO protocol addresses these challenges by optimizing routing with minimal latency and a higher packet delivery ratio.
INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS
(2023)
Review
Pharmacology & Pharmacy
Saurabh Shah, Ramesh Joga, Tejaswini Kolipaka, Chetan Sabnis Dushyantrao, Pooja Khairnar, Vivek Phatale, Giriraj Pandey, Saurabh Srivastava, Sandeep Kumar
Summary: This article introduces the liquid crystalline phase, which has attracted global attention due to its intriguing properties. It enumerates the different classes of liquid crystals and focuses on lyotropic liquid crystals (LLCs), which exhibit their liquid crystalline nature based on the surrounding solvent media. The article discusses the advantages of LLCs in drug delivery and tissue regeneration, fabrication techniques, and applications in novel therapeutic avenues.
INTERNATIONAL JOURNAL OF PHARMACEUTICS
(2023)
Article
Chemistry, Multidisciplinary
T. Aravinda, Srilatha Rao, A. S. Sowmyashree, Ashwathanarayana Gowda, L. Parashuram, Kayim Pineda Urbina, Gururaj Kudur Jayaprakash, Sandeep Kumar
Summary: In this study, a metal-free phthalocyanine-based discotic liquid crystal (PcDLC) was tested for its corrosion inhibitory capacity on mild steel (MS) samples in 1.0 M HCl medium using potentiodynamic and electrochemical impedance parameters. The PcDLC exhibited excellent corrosion inhibition with a maximum efficiency of 89.61%. The strong adsorption of PcDLC onto the MS surface was responsible for this superior ability. Scanning electron microscopy and FTIR confirmed the formation of a protective layer of inhibitors on the MS surface. Density function theory revealed a strong interaction between the inhibitor and surface iron atoms.
Article
Chemistry, Multidisciplinary
Dharmendra Pratap Singh, Asmita Shah, Indu Bala, Vadivel Marichandran, Santanu Kumar Pal, Abhishek Kumar Srivastava, Sandeep Kumar
Summary: This article presents the charge transport and organic electronic applications of naphthophenanthridine derivatives and a dimer composed of pentaalkynylbenzene and triphenylene discotic liquid crystals. The investigated compounds exhibit high ambipolar charge carrier mobility, making them suitable for fabricating organic semiconducting electronic devices.
Review
Medicine, Research & Experimental
Monica L. Fernandez-Quintero, Anne Ljungars, Franz Waibl, Victor Greiff, Jan Terje Andersen, Torelif T. T. Gjolberg, Timothy P. P. Jenkins, Bjorn Gunnar Voldborg, Lise Marie Grav, Sandeep Kumar, Guy Georges, Hubert Kettenberger, Klaus R. R. Liedl, Peter M. M. Tessier, John McCafferty, Andreas H. H. Laustsen
Summary: Beyond potency, a good developability profile is essential for a biological drug. Early selection and screening for these attributes can save resources and avoid costly failures. This review highlights key developability properties, such as the source, biophysical and pharmacokinetic properties, and recombinant expression, and discusses methods for identifying molecules with liabilities and optimizing drug leads. The article also compares developability parameters for injectable and orally delivered biologics and provides an outlook on emerging trends in biologics development.
Review
Medicine, Research & Experimental
Kyle P. P. Martin, Christine Grimaldi, Rolf Grempler, Steven Hansel, Sandeep Kumar
Summary: There is significant interest in antibody-based biotherapeutics due to their selectivity and desirable pharmacology. This study analyzed characteristics of 89 marketed antibody-based biotherapeutics approved between 1986 and mid-2020. The findings reveal major trends in their emergence as best-selling pharmaceuticals and provide insights for better drug discovery and development strategies.
Article
Agriculture, Multidisciplinary
Navdeep Singh, Jemila Chellappa, Liming Lai, Sandeep Kumar, Chang Oh Hong, Vance N. Owens
Summary: Nitrogen fertilization and landscape position have significant impacts on soil structure and organic carbon content in switchgrass production, and proper nitrogen application and selecting suitable landscape positions can improve soil quality.
JOURNAL OF AGRICULTURAL SCIENCE
(2023)
Article
Geriatrics & Gerontology
Sagar Vyavahare, Sandeep Kumar, Kathryn Smith, Bharati Mendhe, Roger Zhong, Marion A. Cooley, Babak Baban, Carlos M. Isales, Mark Hamrick, William Hill, Sadanand Fulzele
Summary: Emerging evidence suggests that microRNA-141-3p plays a role in age-related pathologies. In this study, we inhibited miR-141-3p expression in aged mice and observed improved immune, bone, and muscle health. Treatment with Anti-miR-141-3p resulted in decreased pro-inflammatory cytokines, a shift from pro-inflammatory to anti-inflammatory immune cell populations, and improved bone microstructure and muscle fiber size. Molecular analysis revealed the role of miR-141-3p in regulating senescence and inflammation, as well as its potential crosstalk with FOXO-1 transcription factor. These findings suggest that inhibiting miR-141-3p may be a potential strategy for promoting healthy aging.
Article
Geriatrics & Gerontology
Mohini Gharpure, Jie Chen, Resheek Nerella, Sagar Vyavahare, Sandeep Kumar, Carlos M. Isales, Mark Hamrick, Satish Adusumilli, Sadanand Fulzele
Summary: Sarcopenia, a condition characterized by decreased muscle mass, altered muscle composition, and reduced muscle strength, disproportionately affects males and females with age. This study identified differentially regulated genes in aged skeletal muscle from males and females, with 269 genes showing at least a twofold expression difference. Gene Ontology analysis revealed distinct pathways involved in aged female and male skeletal muscle, suggesting the potential for sex-specific therapeutic targets to combat sarcopenia and promote healthy aging.
Article
Telecommunications
Dimpal Janu, Kuldeep Singh, Sandeep Kumar, Sandeep Mandia
Summary: In this letter, a hierarchical cooperative LSTM network-based CSS method is proposed, which utilizes CNN and LSTM network. The CNN extracts spatial features from input CMs generated by sensing data of each SU, and the sequence of spatial features is fed into SU-LSTM to learn the PU activity pattern at SU level. The cooperative LSTM learns the group-level PU activity pattern from all SU-level temporal feature representations. The effectiveness of the proposed method is proven through sufficient simulations, outperforming the state-of-the-art in terms of detection probability and classification accuracy.
IEEE COMMUNICATIONS LETTERS
(2023)
Article
Chemistry, Multidisciplinary
Monika Nehra, Rajesh Kumar, Neeraj Dilbaghi, Sandeep Kumar
Summary: In recent years, the excessive exposure of antibiotics to humans and the environment has raised concerns about antibiotic pollution. However, the existing instrument-dependent and time-consuming conventional detection methods are not suitable for real-time antibiotic detection in the field. This study synthesized two Cu-based metal-organic frameworks (Cu-btc) with the same stoichiometry under different reaction conditions. The Cu-MOF2 produced through the hydrothermal approach exhibited better structural and crystalline properties than Cu-MOF1 prepared under normal laboratory conditions. The high peroxidase-like activity of Cu-MOF2 was utilized to develop a colorimetric assay for the detection of tetracycline in water.
NEW JOURNAL OF CHEMISTRY
(2023)
