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42,828 Results Found

  • Review
  • Open Access
66 Citations
8,156 Views
51 Pages

H2S Donors and Their Use in Medicinal Chemistry

  • Elisa Magli,
  • Elisa Perissutti,
  • Vincenzo Santagada,
  • Giuseppe Caliendo,
  • Angela Corvino,
  • Gianluca Esposito,
  • Giovanna Esposito,
  • Ferdinando Fiorino,
  • Marco Migliaccio and
  • Francesco Frecentese
  • + 3 authors

18 December 2021

Hydrogen sulfide (H2S) is a ubiquitous gaseous signaling molecule that has an important role in many physiological and pathological processes in mammalian tissues, with the same importance as two others endogenous gasotransmitters such as NO (nitric...

  • Article
  • Open Access
2 Citations
2,964 Views
13 Pages

Unexpected Emission of H2S in an Excavation

  • Thomas Neil McManus and
  • Sean Henderson

7 January 2023

This article reports on the emission of H2S (hydrogen sulfide) during the excavation of disturbed material covering a former ocean shoreline. Operators of the excavators expressed concerns about the strong odors of H2S, the insensitivity of workplace...

  • Review
  • Open Access
1 Citations
2,065 Views
23 Pages

Hydrogen sulfide (H2S), once regarded solely as a highly toxic gas, is now recognized as a crucial signaling molecule in plants, bacteria, and mammals. In humans, H2S signaling plays a role in numerous physiological and pathological processes, includ...

  • Article
  • Open Access
3 Citations
1,953 Views
12 Pages

30 November 2023

A discharge-flow reactor combined with modulated molecular beam mass spectrometry technique was employed to determine the rate constants of H-atom reactions with hydrogen sulfide and thiirane. The rate constants for both reactions were determined at...

  • Review
  • Open Access
9 Citations
3,789 Views
37 Pages

Waste to H2 Sustainable Processes: A Review on H2S Valorization Technologies

  • Elvira Spatolisano,
  • Federica Restelli,
  • Laura A. Pellegrini and
  • Alberto R. de Angelis

27 January 2024

In the energy transition from fossil fuels to renewables, the tendency is to benefit from ultra-sour natural gas reserves, whose monetization was previously considered unviable. The increasing H2S content together with the growing concern about emiss...

  • Review
  • Open Access
58 Citations
6,571 Views
27 Pages

Trends in H2S-Donors Chemistry and Their Effects in Cardiovascular Diseases

  • Angela Corvino,
  • Francesco Frecentese,
  • Elisa Magli,
  • Elisa Perissutti,
  • Vincenzo Santagada,
  • Antonia Scognamiglio,
  • Giuseppe Caliendo,
  • Ferdinando Fiorino and
  • Beatrice Severino

Hydrogen sulfide (H2S) is an endogenous gasotransmitter recently emerged as an important regulatory mediator of numerous human cell functions in health and in disease. In fact, much evidence has suggested that hydrogen sulfide plays a significant rol...

  • Communication
  • Open Access
1,181 Views
7 Pages

Design of Fe7S8@Lip Composite for the pH-Selective and Magnetically Targeted Programmed Release of H2S

  • Shenghua Wang,
  • Hanlin Wei,
  • Jialian Li,
  • Ning Liu,
  • Zhiming Deng and
  • Junqing Huang

The significance of hydrogen sulfide (H2S) release in vivo is multifaceted. It functions as a crucial gaseous signaling molecule with extensive physiological and pathological impacts within organisms. To create novel H2S-releasing materials, we synth...

  • Proceeding Paper
  • Open Access
248 Views
10 Pages

The Separation of a CO2 and H2S Mixture

  • Adham Norkobilov,
  • Rakhmatullo Muradov,
  • Abror Turakulov,
  • Sanjar Ergashev and
  • Zafar Turakulov

11 February 2026

The separation and purification of carbon dioxide (CO2) from sour gas streams is critical for emission reduction and industrial reuse. This study presents a chemical absorption-based process simulation of CO2 (carbon dioxide) and H2S (hydrogen sulfid...

  • Article
  • Open Access
9 Citations
3,312 Views
14 Pages

Reactive Processes for H2S Removal

  • Carolinne Secco,
  • Maria Eduarda Kounaris Fuziki,
  • Angelo Marcelo Tusset and
  • Giane Gonçalves Lenzi

10 February 2023

Growing demand for renewables and sustainable energy production contributes to a growing interest in producing high quality biomethane from biogas. Despite having methane (CH4) as its main component, biogas may also present other noncombustible subst...

  • Article
  • Open Access
10 Citations
3,051 Views
14 Pages

Chitosan Biocomposites for the Adsorption and Release of H2S

  • Mary Batista,
  • Moisés L. Pinto,
  • Fernando Antunes,
  • João Pires and
  • Silvia Carvalho

7 November 2021

The search for H2S donors has been increasing due to the multiple therapeutic effects of the gas. However, the use of nanoporous materials has not been investigated despite their potential. Zeolites and activated carbons are known as good gas adsorbe...

  • Communication
  • Open Access
3 Citations
2,078 Views
10 Pages

Urea Derivatives as H2S Scavengers

  • Asger Munk Koue,
  • Karolina Agata Szlek,
  • Sergey Kucheryavskiy,
  • Marco Maschietti and
  • Christian Marcus Pedersen

15 February 2025

Simple urea-based chemicals have been used in the textile industry for “ironing-free clothes” for decades. One of the most used chemicals is 1,3-dimethylol-4,5-dihydroxyethyleneurea (DMDHEU), which consists of urea, glyoxal and formaldehy...

  • Article
  • Open Access
6 Citations
3,486 Views
11 Pages

Honeycomb Structured Catalysts for H2 Production via H2S Oxidative Decomposition

  • Vincenzo Palma,
  • Daniela Barba,
  • Vincenzo Vaiano,
  • Michele Colozzi,
  • Emma Palo,
  • Lucia Barbato,
  • Simona Cortese and
  • Marino Miccio

24 October 2018

Cordierite honeycomb structured catalysts were studied for the reaction of H2S decomposition in the presence of oxygen to obtain H2 and sulphur. An Al2O3-based washcoat was deposited on the honeycomb monolith by a dip-coating procedure. In particular...

  • Review
  • Open Access
14 Citations
3,960 Views
14 Pages

The Pathophysiology of H2S in Renal Glomerular Diseases

  • Karl-Friedrich Beck and
  • Josef Pfeilschifter

26 January 2022

Renal glomerular diseases such as glomerulosclerosis and diabetic nephropathy often result in the loss of glomerular function and consequently end-stage renal disease. The glomerulus consists of endothelial cells, mesangial cells and glomerular epith...

  • Review
  • Open Access
28 Citations
6,457 Views
12 Pages

29 November 2017

The biological and medical importance of hydrogen sulfide (H2S) has been recognized for decades. The aim of this bibliometric study is to analyze the quantity and quality of publications in H2S biology and medicine (H2SBM) based on the databases of W...

  • Editorial
  • Open Access
12 Citations
3,878 Views
8 Pages

21 April 2020

We have been studying the general aspects of the functions of H2S and polysulfides, and the enzymes involved in their biosynthesis, for more than 20 years. Our aim has been to elucidate novel physiological and pathological functions of H2S and polysu...

  • Article
  • Open Access
3 Citations
2,751 Views
13 Pages

9 November 2022

The continuous rise in the energy demand has shifted the extraction environment in oil and gas fields towards a more hostile environment, and has ultimately increased the corrosion of extraction and transmission facilities. One of the most effective...

  • Article
  • Open Access
3 Citations
1,620 Views
12 Pages

This study analyzes the effects of varying H2S and CO2 concentrations and temperature on the pH of geothermal fluids flowing through superduplex S32750 stainless-steel pipelines, classified as corrosion-resistant alloys (CRAs). Corrosive decay is eva...

  • Article
  • Open Access
1 Citations
1,667 Views
19 Pages

A Study on the Rule of Arsenic Precipitation by H2S in High Concentrations of H2SO4

  • Ying Zhu,
  • Xingguang Hao,
  • Xin Sun,
  • Fei Wang,
  • Kai Li,
  • Ping Ning and
  • Lei Shi

7 March 2025

Herein, targeting arsenic-containing acidic wastewater generated from washing arsenic-containing flue gas with concentrated sulfuric acid, the arsenic removal efficiency using H2S was investigated. The effects of H2S concentration, the gas flow rate,...

  • Article
  • Open Access
1 Citations
1,432 Views
15 Pages

The simultaneous adsorption and removal of low concentrations of SO2 and H2S using experimental and simulation methods were investigated in this paper. The adsorption breakthrough performance of the single-component SO2 or H2S was determined in the a...

  • Review
  • Open Access
59 Citations
9,902 Views
34 Pages

Hydrogen Sulfide (H2S) Removal via MOFs

  • Amvrosios G. Georgiadis,
  • Nikolaos Charisiou,
  • Ioannis V. Yentekakis and
  • Maria A. Goula

17 August 2020

The removal of the environmentally toxic and corrosive hydrogen sulfide (H2S) from gas streams with varying overall pressure and H2S concentration is a long-standing challenge faced by the oil and gas industries. The present work focuses on H2S captu...

  • Article
  • Open Access
12 Citations
3,169 Views
17 Pages

2 February 2023

Because hydrogen sulfide (H2S) is classified as a gaseous signaling molecule, protein S-sulfhydration is known to be one of the mechanisms by which H2S signals are conducted. PTP1B, a negative regulator in insulin signaling, has been found to be S-su...

  • Review
  • Open Access
37 Citations
5,396 Views
22 Pages

Signaling Paradigms of H2S-Induced Vasodilation: A Comprehensive Review

  • Constantin Munteanu,
  • Cristina Popescu,
  • Andreea-Iulia Vlădulescu-Trandafir and
  • Gelu Onose

25 September 2024

Hydrogen sulfide (H2S), a gas traditionally considered toxic, is now recognized as a vital endogenous signaling molecule with a complex physiology. This comprehensive study encompasses a systematic literature review that explores the intricate mechan...

  • Article
  • Open Access
4 Citations
1,300 Views
13 Pages

Clearance of Intracellular Pathogens with Hyaluronic Acid Nanomicelles Responsive to H2S and pH

  • Jun Luo,
  • Hui Huang,
  • Junfeng Jiang,
  • Wenyu Zheng,
  • Peng Chen and
  • Hongjin Bai

18 December 2024

Hyaluronic acid (HA) is an acidic mucopolysaccharide of animal origin composed of repeating disaccharide units of N-acetylglucosamine and glucuronic acid. Due to its excellent biocompatibility, biodegradability, and selective affinity for CD44 recept...

  • Review
  • Open Access
35 Citations
6,319 Views
23 Pages

The Impact of H2S on Obesity-Associated Metabolic Disturbances

  • Ferran Comas and
  • José María Moreno-Navarrete

Over the last several decades, hydrogen sulfide (H2S) has gained attention as a new signaling molecule, with extensive physiological and pathophysiological roles in human disorders affecting vascular biology, immune functions, cellular survival, meta...

  • Article
  • Open Access
16 Citations
10,666 Views
10 Pages

An H2S Sensor Based on Electrochemistry for Chicken Coops

  • Lihua Zeng,
  • Mei He,
  • Huihui Yu and
  • Daoliang Li

31 August 2016

The recent modernization of the livestock industry lags behind the scale of the livestock industry, particularly in indoor environmental monitoring. In particular, the H2S gas concentration in chicken coops affects the growth and reproductive capacit...

  • Article
  • Open Access
4 Citations
2,677 Views
18 Pages

28 February 2023

The emerging energy and environmental concerns nowadays are highlighting the need to turn to clean fuels, such as hydrogen. In this regard, hydrogen sulfide (H2S), an abundant chemical compound found in several natural sources and industrial streams,...

  • Article
  • Open Access
5 Citations
2,001 Views
16 Pages

Conductometric H2S Sensors Based on TiO2 Nanoparticles

  • Yassine Alaya,
  • Malek Madani,
  • Noureddine Bouguila,
  • Lassaad El Mir,
  • Enza Fazio,
  • Carmelo Corsaro and
  • Giovanni Neri

3 July 2024

High-performance hydrogen sulfide (H2S) sensors are mandatory for many industrial applications. However, the development of H2S sensors still remains a challenge for researchers. In this work, we report the study of a TiO2-based conductometric sensor...

  • Article
  • Open Access
81 Citations
8,285 Views
14 Pages

Studies on Sensing Properties and Mechanism of CuO Nanoparticles to H2S Gas

  • Fang Peng,
  • Yan Sun,
  • Yue Lu,
  • Weiwei Yu,
  • Meiying Ge,
  • Jichao Shi,
  • Rui Cong,
  • Jiaming Hao and
  • Ning Dai

17 April 2020

In this work, the high crystalline copper oxide (CuO) nanoparticles were fabricated by a hydrothermal method, and their structural properties were characterized by transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectr...

  • Review
  • Open Access
56 Citations
6,693 Views
20 Pages

CuxO Nanostructure-Based Gas Sensors for H2S Detection: An Overview

  • Sachin Navale,
  • Mehrdad Shahbaz,
  • Sanjit Manohar Majhi,
  • Ali Mirzaei,
  • Hyoun Woo Kim and
  • Sang Sub Kim

H2S gas is a toxic and hazardous byproduct of the oil and gas industries. It paralyzes the olfactory nerves, with concentrations above 100 ppm, resulting in loss of smell; prolonged inhalation may even cause death. One of the most important semicondu...

  • Review
  • Open Access
11 Citations
3,450 Views
15 Pages

Research Progress of H2S Donors Conjugate Drugs Based on ADTOH

  • Shuai Wen,
  • Changchang Cao,
  • Jianwen Ge,
  • Wenzhe Yang,
  • Yan Wang and
  • Yi Mou

31 December 2022

H2S is an endogenous gas signaling molecule and its multiple biological effects have been demonstrated. The abnormal level of H2S is closely related to the occurrence and development of many diseases, and H2S donors has important pharmacological impl...

  • Review
  • Open Access
36 Citations
5,789 Views
21 Pages

The vascular endothelium consists of a single layer of squamous endothelial cells (ECs) lining the inner surface of blood vessels. Nowadays, it is no longer considered as a simple barrier between the blood and vessel wall, but a central hub to contro...

  • Feature Paper
  • Article
  • Open Access
3,025 Views
14 Pages

Theoretical Research on the Reduction of CO2 with H2S on Pyrite FeS2 Surfaces

  • Yingchao Liu,
  • Yuqiong Li,
  • Yao Feng,
  • Jianhua Chen and
  • Cuihua Zhao

4 October 2023

Understanding the reduction of CO2 and the origin and evolution of early life on Earth is an important research endeavor. Pyrite, due to its semiconductor properties, is believed to play a pivotal role as a reactant or catalyst in converting reducing...

  • Article
  • Open Access
2 Citations
2,201 Views
16 Pages

Synthesis and Experimental Screening of Catalysts for H2S to H2 Decomposition Under Close-to-Industry Conditions

  • Timur Palankoev,
  • Anton Manakhov,
  • Andrey Kovalskii,
  • Ekaterina Sukhanova,
  • Zakhar Popov,
  • Dmitry Chareev,
  • Konstantin Dement’ev,
  • Anton Maximov and
  • Abdulaziz Al-Qasim

20 November 2024

The chemical engineering community has shown significant interest in investigating methods to decompose hydrogen sulfide into hydrogen and sulfur. However, there is still a lack of detailed experimental data enabling us to choose the optimal catalyst...

  • Proceeding Paper
  • Open Access
1 Citations
1,665 Views
6 Pages

An Inkjet-Printed Amperometric H2S Sensor for Environmental Applications

  • Franc Paré,
  • Rebeca Castro,
  • Xavier Guimera,
  • Gemma Gabriel and
  • Mireia Baeza

Hydrogen sulfide (H2S) is a highly toxic chemical capable of causing severe health issues. Due to its environmental impact, it is critical to create effective methods for its monitoring. Inkjet printing technology has become an alternative for sensor...

  • Review
  • Open Access
31 Citations
4,111 Views
25 Pages

Hydrogen sulfide (H2S) is an endogenous signaling molecule that greatly influences several important (patho)physiological processes related to cardiovascular health and disease, including vasodilation, angiogenesis, inflammation, and cellular redox h...

  • Case Report
  • Open Access
17 Citations
3,309 Views
12 Pages

H2S Removal with Sorbent Obtained from Sewage Sludges

  • Davide Papurello,
  • Andrea Lanzini,
  • Maurizio Bressan and
  • Massimo Santarelli

21 January 2020

Biochar obtained from sewage sludges are adopted for biogas cleaning. Sewage sludges are treated considering temperature, dwell time, activating agent, heating, and flow rate. The best performances achieved are registered considering the char produce...

  • Article
  • Open Access
94 Citations
11,244 Views
9 Pages

H2S Detection Sensing Characteristic of CuO/SnO2 Sensor

  • Jinhuai Liu,
  • Xingjiu Huang,
  • Gang Ye,
  • Wei Liu,
  • Zheng Jiao,
  • Wnaglian Chao,
  • Zhongbai Zhou and
  • Zenglian Yu

12 May 2003

Among the various metal oxide additives tested, the complex of CuO is outstanding in promoting the sensing propoerties of an SnO2 sensor for H2S in air. The SnO2 sensors loaded with 5 wt. % CuO is extremely sensitive to H2S at 200 C° and below, while...

  • Article
  • Open Access
2 Citations
804 Views
16 Pages

New Insight into the Microstructure Changes and Molecular Mobility of Polyamides Exposed to H2S Scavengers

  • Marina Perassoli de Lazari,
  • Antonio Henrique Monteiro da Fonseca Thomé da Silva,
  • Rodrigo Henrique dos Santos Garcia,
  • Sylvia Correa dos Santos Teixeira,
  • João Eduardo de Oliveira,
  • Érica Gervasoni Chaves,
  • Luiz Antônio de Oliveira Nunes,
  • Hercílio de Angeli Honorato,
  • Sonia Maria Cabral de Menezes and
  • Eduardo Ribeiro de Azevedo
  • + 2 authors

12 June 2025

Polyamides (PAs) are widely used as barrier materials in offshore oil and gas (O&G) equipment due to their mechanical strength and chemical resistance. However, long-term exposure to hydrogen sulfide scavengers (H2S-SCVs) may significantly affect...

  • Article
  • Open Access
8 Citations
2,417 Views
10 Pages

Simultaneous Removal of Hg0 and H2S over a Regenerable Fe2O3/AC Catalyst

  • Junwei Wang,
  • Yao Fang,
  • Huan Wang,
  • Guoliang Bai,
  • Wei Qin and
  • Jianli Zhang

6 March 2022

Simultaneous removal of Hg0 and H2S over a regenerable activated coke supported Fe2O3 catalyst (Fe2O3/AC) was studied in simulated coal-derived syngas. It was found that the Fe2O3/AC catalyst exhibited high capability for Hg0 and H2S removal, which w...

  • Article
  • Open Access
9 Citations
2,982 Views
14 Pages

The Antioxidant Properties of Glucosinolates in Cardiac Cells Are Independent of H2S Signaling

  • Félix Harvey,
  • Boluwaji Aromokunola,
  • Sabine Montaut and
  • Guangdong Yang

The organic sulfur-containing compounds glucosinolates (GSLs) and the novel gasotransmitter H2S are known to have cardioprotective effects. This study investigated the antioxidant effects and H2S-releasing potential of three GSLs ((3E)-4-(methylsulfa...

  • Article
  • Open Access
81 Citations
13,093 Views
14 Pages

Synthesis of Cu2O/CuO Nanocrystals and Their Application to H2S Sensing

  • Kazuki Mikami,
  • Yuta Kido,
  • Yuji Akaishi,
  • Armando Quitain and
  • Tetsuya Kida

8 January 2019

Semiconducting metal oxide nanocrystals are an important class of materials that have versatile applications because of their useful properties and high stability. Here, we developed a simple route to synthesize nanocrystals (NCs) of copper oxides su...

  • Article
  • Open Access
14 Citations
3,370 Views
16 Pages

H2S Protects from Rotenone-Induced Ferroptosis by Stabilizing Fe-S Clusters in Rat Cardiac Cells

  • Sara Linjacki,
  • Yuehong Wang,
  • Navjeet Baath,
  • Devin Mantle and
  • Guangdong Yang

21 February 2024

Hydrogen sulfide (H2S) has been recently recognized as an important gasotransmitter with cardioprotections, and iron is vital for various cellular activities. This study explored the regulatory role of H2S on iron metabolism and mitochondrial functio...

  • Feature Paper
  • Article
  • Open Access
1 Citations
3,739 Views
7 Pages

Surface Passivation of Crystalline Silicon Wafer Using H2S Gas

  • Jian Lin,
  • Hongsub Jee,
  • Jangwon Yoo,
  • Junsin Yi,
  • Chaehwan Jeong and
  • Jaehyeong Lee

15 April 2021

We report the effects of H2S passivation on the effective minority carrier lifetime of crystalline silicon (c-Si) wafers. c-Si wafers were thermally annealed under an H2S atmosphere at various temperatures. The initial minority carrier lifetime (6.97...

  • Review
  • Open Access
5 Citations
3,294 Views
27 Pages

Pills of Multi-Target H2S Donating Molecules for Complex Diseases

  • Angela Corvino,
  • Antonia Scognamiglio,
  • Ferdinando Fiorino,
  • Elisa Perissutti,
  • Vincenzo Santagada,
  • Giuseppe Caliendo and
  • Beatrice Severino

Among the various drug discovery methods, a very promising modern approach consists in designing multi-target-directed ligands (MTDLs) able to modulate multiple targets of interest, including the pathways where hydrogen sulfide (H2S) is involved. By...

  • Article
  • Open Access
4 Citations
2,762 Views
12 Pages

Ratiometric Near-Infrared Fluorescence Liposome Nanoprobe for H2S Detection In Vivo

  • Luyan Wu,
  • Yili Liu,
  • Junya Zhang,
  • Yinxing Miao and
  • Ruibing An

16 February 2023

Accurate detection of H2S is crucial to understanding the occurrence and development of H2S-related diseases. However, the accurate and sensitive detection of H2S in vivo still faces great challenges due to the characteristics of H2S diffusion and sh...

  • Review
  • Open Access
6 Citations
3,592 Views
16 Pages

Plants and Mushrooms as Possible New Sources of H2S Releasing Sulfur Compounds

  • Valentina Citi,
  • Marco Passerini,
  • Vincenzo Calderone and
  • Lara Testai

Hydrogen sulfide (H2S), known for many decades exclusively for its toxicity and the smell of rotten eggs, has been re-discovered for its pleiotropic effects at the cardiovascular and non-cardiovascular level. Therefore, great attention is being paid...

  • Article
  • Open Access
3 Citations
3,555 Views
19 Pages

Reduced Renal CSE/CBS/H2S Contributes to the Progress of Lupus Nephritis

  • Xuan Wang,
  • Tao Lin,
  • Yifei He,
  • Yueyuan Zhou,
  • Yi Peng,
  • Weiru Zhang and
  • Xin Ni

16 February 2023

The molecular mechanisms underlying lupus nephritis (LN) pathogenesis are not fully understood. Hydrogen sulfide (H2S) is involved in many pathological and physiological processes. We sought to investigate the roles of H2S in LN pathogenesis. H2S syn...

  • Article
  • Open Access
21 Citations
3,066 Views
10 Pages

Characterization of Porous CuO Films for H2S Gas Sensors

  • Dawoon Jung,
  • Sehoon Hwang,
  • Hyun-Jong Kim,
  • Jae-Hee Han and
  • Ho-Nyun Lee

18 October 2022

Using a thermal evaporator, various porous Cu films were deposited according to the deposition pressure. CuO films were formed by post heat treatment in the air. Changes in morphological and structural characteristics of films were analyzed using fie...

  • Proceeding Paper
  • Open Access
2 Citations
5,510 Views
7 Pages

Removal of Hydrogen Sulfide (H2S) Using MOFs: A Review of the Latest Developments

  • Amvrosios G. Georgiadis,
  • Nikolaos D. Charisiou,
  • Ioannis V. Yentekakis and
  • Maria A. Goula

9 November 2020

The removal of hydrogen sulfide (H2S) from gas streams with varying overall pressure and H2S concentrations is a long-standing challenge faced by the oil and gas industries. The present work focuses on H2S capture using metal–organic frameworks...

  • Article
  • Open Access
11 Citations
7,962 Views
9 Pages

10 April 2023

The treatment of gaseous contaminants, such as hydrogen sulfide (H2S), is often carried out with adsorbent materials that are disposed of after saturation. The reuse of such materials promotes sustainability and the reduction in unnecessary waste. Gr...

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