A review study on the use of dimethyl ether in diesel engines: effects on CO2 emissions by İsmet Sezer

“…The results showed that CO2 emissions decrease when using the pure DME and DME blends with diesel and LPG fuels due to the oxygen content and the lower carbon to hydrogen ratio of DME. The decrements in CO2 emissions for pure DME, diesel–DME blends and LPG–DME blend are about 5.2–18.3%, 3–41.6% and 10.6–16.4%, respectively.…”
Get full text

Effects of the Fuel Species on the Combustion Pressure in a Two Staged Fueled Scramjet Combustor by Hironobu Nishiguchi, Masatoshi Kodera, Sadatake Tomioka

“…The experimental results confirmed that pressure peaks at injections were clearly separated in the hydrogen case, while these interacted with each other in the methane case with a lower reactivity than H₂. …”
Get full text

N-Acetylcysteine and Other Sulfur-Donors as a Preventative and Adjunct Therapy for COVID-19 by Heidi N du Preez, Colleen Aldous, Hendrik G Kruger, Lin Johnson

“…NAC is not only a precursor to glutathione but also converts to hydrogen sulfide, inorganic sulfate, taurine, Coenzyme A, and albumin. …”
Get full text

The effect of Clostridium difficile infection on the course of liver cirrhosis by A. A. Driga, M. V. Mayevskaya, V. T. Ivashkin

“…All patients underwent clinical interviewing with assessment of past history, daily blood pressure (BP) measurement with calculation of the mean blood pressure level, blood tests, ECG, abdominal ultrasound, esophagogastroduodenoscopy, echocardiography, chest X-ray, lactulose hydrogen breath test, Clostridium difficile ELISA stool test. …”
Get full text

Molecular Design of Novel Chemicals for Iron Sulfide Scale Removal by Abdulmujeeb T. Onawole, Ibnelwaleed A. Hussein, Hassan I. Nimir, Musa E. M. Ahmed, Mohammed A. Saad

“…Moreover, the presence of an intramolecular hydrogen bond enhanced its chelating ability.…”
Get full text

Effect of Bleaching and Thermocycling on Resin-Enamel Bond Strength by Horieh Moosavi, Hamideh Sadat Mohammadipour, Marjaneh Ghavamnasiri, Sanaz Alizadeh

“…In bleaching group, 35% hydrogen peroxide was applied on samples. Thermocycling procedure was conducted between 5°C and 55°C, for 3.000 cycles on the half of each subgroup specimen. …”
Get full text

Analysis of Carbon Contents and Heavy Metals in Coal Samples Using Calibration-free LIBS Technique by Muhammad Aamir Israr, Qamar Abbas, Sami Ul Haq, Ali Nadeem

“…In addition, the gross calorific value (GCV) of all the coal samples was estimated using the concentrations of carbon, hydrogen, nitrogen, oxygen, and sulfur from 26.40 to 27.18 MJ/kg, which is an important parameter to determine the coal quality and burning efficiency.…”
Get full text

Fuel Cell Output Current Prediction with a Hybrid Intelligent System by José-Luis Casteleiro-Roca, Antonio Javier Barragán, Francisca Segura, José Luis Calvo-Rolle, José Manuel Andújar

“…In this paper, a dynamic model of a real hydrogen fuel cell is obtained to predict its response. …”
Get full text

Determination of metallization degree of pre-reduced chromite with image and rietveld analysis by Leino T., Taskinen P., Eric R.H.

“…The chromite samples were reduced in the solid state by methane-hydrogen gas mixtures. First method was image analysis of micrographs obtained by scanning electron microscope where heavier metallic phases appeared as bright white areas which were relatively easy to segment using a thresholding algorithm. …”
Get full text

Reliability of high-performance monolayer MoS2 transistors on scaled high-κ HfO2 by Hao-Yu Lan, Shao-Heng Yang, Karim-Alexandros Kantre, Daire Cott, Rahul Tripathi, Joerg Appenzeller, Zhihong Chen

“…Elastic Recoil Detection Analysis (ERDA) indicates that hydrogen, likely from the ALD precursor, is a probable cause, highlighting the need for ALD process refinement to improve 2D FET stability for CMOS compatibility.…”
Get full text

(η6-Benzene)chlorido[2-(pyridin-2-yl)quinoline-κ2N,N′]ruthenium(II) tetrafluoridoborate by Manikandan Varadhan, Ibanpynhunlang Passi, Thangaraja Chinnathangavel, Venugopal Rajendiran

“…Apart from Coulombic forces, C—H...F and C—H...Cl hydrogen-bonding interactions consolidate the crystal packing.…”
Get full text

Utilizing Machine Learning-based Classification Models for Tracking Air Pollution Sources: A Case Study in Korea by Yelim Choi, Bogyeong Kang, Daekeun Kim

“…The RF model was found to have better predictive performance than the other four models, achieving an accuracy of 0.9691 and a kappa value of 0.9537. Hydrogen chloride and acetaldehyde were the most important variables for classifying emission sources. …”
Get full text

Synthesis and Crystal Structure Characterization of Zinc (II) Tetronic Acid Complexes by K. C. Prousis, G. Athanasellis, V. Stefanou, D. Matiadis, E. Kokalari, O. Igglessi-Markopoulou, V. McKee, J. Markopoulos

“…These complexes promote intra- and intermolecular interactions, such as hydrogen bonding and π stacking, giving place to the formation of molecular aggregates.…”
Get full text

Bioactive constituents from the leaves of Quercus phillyraeoides A. Gray for α-glucosidase inhibitor activity with concurrent antioxidant activity by Anastasia Wheni Indrianingsih, Sanro Tachibana

“…Furthermore, the significant antioxidant activities were evaluated using several assays, such as the DPPH radical scavenging, hydrogen peroxide radical scavenging, reducing power, and β-carotene-linoleate bleaching assays, and the results suggested that the isolated constituents showed their possible application for treating the hyperglycemia-induced oxidative stress. …”
Get full text

Linking machine learning and biophysical structural features in drug discovery by Armin Ahmadi, Shivangi Gupta, Vineetha Menon, Jerome Baudry

“…This novel approach integrates biophysical insights with machine learning, focusing on pharmacophoric properties such as charge, hydrogen bonding, hydrophobicity, and aromaticity.ResultsResults showed significant enrichment of true positive ligands—improving database enrichment by up to 54-fold compared to random selection—demonstrating the robustness of this approach across diverse proteins.ConclusionUnlike conventional structure-based or ligand-based screening methods, this work emphasizes the role of specific protein conformations in driving ligand binding, making the process highly interpretable and actionable for drug discovery. …”
Get full text

Supramolecular Arrangement in Styphnic Acid and Naphthalene-1,4-diol (1 : 1) through a Novel Synthetic Rote for Styphnic Acid by Moamen S. Refat, Hossam A. Saad, Mohamed Y. El-Sayed, Abdel Majid A. Adam, Okan Zafer Yeşilel, Murat Taş

“…The O1–H1⋯O2 intramolecular hydrogen bond was found between the O–H and a nitro group in the styphnic acid unit.…”
Get full text

Geometric Simulation Approach for Grading and Assessing the Thermostability of CALBs by B. Senthilkumar, D. Meshachpaul, R. Rajasekaran

“…Moreover, simulated thermal denaturation of CALB, a process involving dilution of hydrogen bond, significantly shielded against different intervals of energy application in mutant CALB revealing its augmentation of structural rigidity against native CALB. …”
Get full text

Enhanced Isolation of Streptomyces from Different Soil Habitats in Calamba City, Laguna, Philippines using a Modified Integrated Approach by Jhon Wilson A. Antido, Fresthel Monica M. Climacosa

“…The number of Streptomyces isolates varied in each collection site, with the highest number collected from dumpsite soil and the least from forest soil. Most of the hydrogen sulfide producers were noted to be isolated from dumpsite samples. …”
Get full text

Modelling of quantum yields in photocatalytic membrane reactors immobilising titanium dioxide by Ignazio Renato Bellobono, Giulia de Martini, Paola Maria Tozzi, Carmen Canevali, Franca Morazzoni, Roberto Scotti, Riccardo Bianchi

“…This was interpreted on the basis of a competition kinetics of hydroxyl radicals with themselves, leading to hydrogen peroxide formation, other than with substrate or intermediate molecules leading to full mineralisation. …”
Get full text

HPLC-UV-MS/MS Profiling of Phenolics from Euphorbia nicaeensis (All.) Leaf and Stem and Its Antioxidant and Anti-Protein Denaturation Activities by Khawla Bouaouda, Chaimae Elagdi, Naoufal El Hachlafi, Karima Mohtadi, Mohammed Hsaine, Anass Kettani, Rachid Flouchi, Khang Wen Goh, Abdelhakim Bouyahya, Hanae Naceiri Mrabti, Rachid Saile, Hassan Taki

“…The evaluation of antioxidant activity based on DPPH assay and hydrogen peroxide scavenging assay showed that leaves could be used as a natural source of antioxidants as they provide a potent antioxidant effect (DPPH IC50 = 23.47±0.62 µg/ml), (H2O2 IC50 = 110.27 ± 3.59 µg/ml) compared to stems. …”
Get full text