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27 Results Found

  • Article
  • Open Access
10 Citations
4,763 Views
13 Pages

Study the Effect of Various Sulfonation Methods on Catalytic Activity of Carbohydrate-Derived Catalysts for Ester Production

  • Nur Hidayah Deris,
  • Umer Rashid,
  • Soroush Soltani,
  • Thomas Shean Yaw Choong and
  • Imededdine Arbi Nehdi

8 June 2020

In the present study, four types of sulfonation method, including thermal treatment with concentrated sulfuric acid (H2SO4), thermal decomposition of ammonium sulphate (NHSO4), thermal treatment with chlorosulfonic in chloroform (HSO3Cl), and in situ...

  • Article
  • Open Access
13 Citations
4,291 Views
14 Pages

20 October 2020

Biochars are attractive materials for carbon catalysts since their carbon content and surface area are relatively high and minerals present in biochar can act as active sites for catalytic reactions. In this study, biochars from the fast pyrolysis of...

  • Article
  • Open Access
7 Citations
2,454 Views
13 Pages

Sulfonic Functionalized Polydopamine Coatings with pH-Independent Surface Charge for Optimizing Capillary Electrophoretic Separations

  • Wenwen Long,
  • Mingyue You,
  • Jieli Li,
  • Yan Wang,
  • Dan Wang,
  • Xueping Tao,
  • Li Rao,
  • Zhining Xia and
  • Qifeng Fu

Enhancing the pH-independence and controlling the magnitude of electroosmotic flow (EOF) are critical for highly efficient and reproducible capillary electrophoresis (CE) separations. Herein, we present a novel capillary modification method utilizing...

  • Article
  • Open Access
4 Citations
2,172 Views
14 Pages

8 May 2024

There has been a recent uptake in the use of polyether-ether-ketone (PEEK), which is an organic thermoplastic polymer, in the manufacturing of various medical devices, implants, and equipment. Finding the best time and procedure for PEEK after sulfon...

  • Article
  • Open Access
5 Citations
2,838 Views
11 Pages

The Incorporation of Sulfonated PAF Enhances the Proton Conductivity of Nafion Membranes at High Temperatures

  • Kun Cai,
  • Jinzhu Yu,
  • Wenjun Tan,
  • Cong Gao,
  • Zili Zhao,
  • Suxin Yuan,
  • Jinghui Cheng,
  • Yajie Yang and
  • Ye Yuan

2 August 2024

Nafion membranes are widely used as proton exchange membranes, but their proton conductivity deteriorates in high-temperature environments due to the loss of water molecules. To address this challenge, we propose the utilization of porous aromatic fr...

  • Article
  • Open Access
18 Citations
6,514 Views
15 Pages

Effects of Estradiol and Methoxychlor on Leydig Cell Regeneration in the Adult Rat Testis

  • Bingbing Chen,
  • Dongxin Chen,
  • Zheli Jiang,
  • Jingyang Li,
  • Shiwen Liu,
  • Yaoyao Dong,
  • Wenwen Yao,
  • Benson Akingbemi,
  • Renshan Ge and
  • Xiaokun Li

6 May 2014

The objective of the present study is to determine whether methoxychlor (MXC) exposure in adulthood affects rat Leydig cell regeneration and to compare its effects with estradiol (E2). Adult 90-day-old male Sprague-Dawley rats received ethane dimetha...

  • Article
  • Open Access
2 Citations
3,352 Views
17 Pages

Innovative Application of Salophen Derivatives in Organic Electronics as a Composite Film with a Poly(3,4-Ethylenedioxythiophene)-poly(styrenesulfonate) Matrix

  • María Elena Sánchez Vergara,
  • Omar Jimenez Correa,
  • Ricardo Ballinas-Indilí,
  • Ismael Cosme,
  • José Ramón Álvarez Bada and
  • Cecilio Álvarez-Toledano

17 September 2024

In this work, we present the innovative synthesis of salophen (acetaminosalol) derivatives in a solvent-free environment by high-speed ball milling, using a non-conventional activation method, which allowed obtaining compounds in a shorter time and w...

  • Article
  • Open Access
15 Citations
4,124 Views
21 Pages

Local Colonic Administration of a Serine Protease Inhibitor Improves Post-Inflammatory Visceral Hypersensitivity in Rats

  • Nikita Hanning,
  • Michelle De bruyn,
  • Hannah Ceuleers,
  • Tim Boogaerts,
  • Maya Berg,
  • Annemieke Smet,
  • Heiko U. De Schepper,
  • Jurgen Joossens,
  • Alexander L. N. van Nuijs and
  • Benedicte Y. De Winter
  • + 3 authors

Dysregulation of the protease–antiprotease balance in the gastrointestinal tract has been suggested as a mechanism underlying visceral hypersensitivity in conditions such as inflammatory bowel disease (IBD) and irritable bowel syndrome (IBS). We aime...

  • Article
  • Open Access
34 Citations
5,518 Views
13 Pages

Dye-Sensitized Solar Cells with Electrospun Nanofiber Mat-Based Counter Electrodes

  • Irén Juhász Junger,
  • Daria Wehlage,
  • Robin Böttjer,
  • Timo Grothe,
  • László Juhász,
  • Carsten Grassmann,
  • Tomasz Blachowicz and
  • Andrea Ehrmann

4 September 2018

Textile-based dye-sensitized solar cells (DSSCs) can be created by building the necessary layers on a textile fabric or around fibers which are afterwards used to prepare a textile layer, typically by weaving. Another approach is using electrospun na...

  • Article
  • Open Access
64 Citations
6,981 Views
14 Pages

Cu Nanoparticles in Hydrogels of Chitosan-PVA Affects the Characteristics of Post-Harvest and Bioactive Compounds of Jalapeño Pepper

  • Zeus H. Pinedo-Guerrero,
  • Alma Delia Hernández-Fuentes,
  • Hortensia Ortega-Ortiz,
  • Adalberto Benavides-Mendoza,
  • Gregorio Cadenas-Pliego and
  • And Antonio Juárez-Maldonado

Peppers are consumed all over the world due to the flavor, aroma, and color that they add to food. Additionally, they play a role in human health, as they contain a high concentration of bioactive compounds and antioxidants. The treatments used were...

  • Article
  • Open Access
52 Citations
8,111 Views
19 Pages

Elsholtzia ciliata (Thunb.) Hyl. Extracts from Different Plant Parts: Phenolic Composition, Antioxidant, and Anti-Inflammatory Activities

  • Lauryna Pudziuvelyte,
  • Mindaugas Liaudanskas,
  • Aiste Jekabsone,
  • Ilona Sadauskiene and
  • Jurga Bernatoniene

Polyphenols play an important role on the health-promoting properties of humans. Plants belonging to Lamiaceae family are known as rich source of phenolic compounds. The current work aimed to evaluate the phenolic compounds, antioxidant, and anti-inf...

  • Article
  • Open Access
37 Citations
8,431 Views
11 Pages

Cost-Effective PEDOT:PSS Temperature Sensors Inkjetted on a Bendable Substrate by a Consumer Printer

  • Almudena Rivadeneyra,
  • Marco Bobinger,
  • Andreas Albrecht,
  • Markus Becherer,
  • Paolo Lugli,
  • Aniello Falco and
  • Jose F. Salmerón

7 May 2019

In this work, we report on a fabrication protocol to produce fully inkjet-printed temperature sensors on a bendable polyethylene terephthalate (PET) substrate. The sensing layer is made of polymer-based Poly(3,4-ethylenedioxythiophene) polystyrene su...

  • Article
  • Open Access
1,443 Views
19 Pages

Generation of Acid Sites in Nanostructured KIT-6 Using Different Methods to Obtain Efficient Acidic Catalysts for Glycerol Acetalization to Solketal

  • Ewa Janiszewska,
  • Jolanta Kowalska-Kuś,
  • Justyna Wiktorowska,
  • Aldona Jankowska,
  • Agata Tabero,
  • Agnieszka Held and
  • Stanisław Kowalak

21 November 2024

This study explored the preparation of pure silica KIT-6, as well as KIT-6 materials with an enhanced concentration of surface OH groups through aluminum incorporation or NH4F treatment. These materials with various contents of surface OH groups were...

  • Article
  • Open Access
5 Citations
5,560 Views
10 Pages

Improvement of Albendazole Bioavailability with Menbutone Administration in Sheep

  • Raquel Diez,
  • M. Jose Diez,
  • Juan J. Garcia,
  • Jose M. Rodríguez,
  • Cristina Lopez,
  • Nelida Fernandez,
  • Matilde Sierra and
  • Ana M. Sahagun

14 February 2022

The pharmacokinetic interaction between a benzimidazole (albendazole, ABZ) and a choleretic drug (menbutone, MEN) was evaluated in sheep. The plasma disposition of albendazole sulfoxide (ABZSO, active metabolite) and albendazole sulfone (ABZSO2, inac...

  • Article
  • Open Access
8 Citations
4,334 Views
11 Pages

A Novel and Green Method for Preparing Highly Conductive PEDOT:PSS Films for Thermoelectric Energy Harvesting

  • Fuwei Liu,
  • Luyao Gao,
  • Jiajia Duan,
  • Fuqun Li,
  • Jingxian Li,
  • Hongbing Ge,
  • Zhiwei Cai,
  • Huiying Li,
  • Mengke Wang and
  • Minrui Li
  • + 1 author

18 January 2024

As a π-conjugated conductive polymer, poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is recognized as a promising environmentally friendly thermoelectric material. However, its low conductivity has limited applications in the...

  • Feature Paper
  • Article
  • Open Access
18 Citations
6,945 Views
10 Pages

Optimization of Bicomponent Electrospun Fibers for Therapeutic Use: Post-Treatments to Improve Chemical and Biological Stability

  • Antonio Papa,
  • Vincenzo Guarino,
  • Valentina Cirillo,
  • Olimpia Oliviero and
  • Luigi Ambrosio

Bicomponent electrospun nanofibers based on the combination of synthetic (i.e., aliphatic polyesters such as polycaprolactone (PCL)) and natural proteins (i.e., gelatin) have been extensively investigated as temporary platforms to instruct cells by t...

  • Article
  • Open Access
16 Citations
2,631 Views
14 Pages

Bead-Containing Superhydrophobic Nanofiber Membrane for Membrane Distillation

  • Md Eman Talukder,
  • Md. Romon Talukder,
  • Md. Nahid Pervez,
  • Hongchen Song and
  • Vincenzo Naddeo

This study introduces an innovative approach to enhancing membrane distillation (MD) performance by developing bead-containing superhydrophobic sulfonated polyethersulfone (SPES) nanofibers with S-MWCNTs. By leveraging SPES’s inherent hydrophob...

  • Article
  • Open Access
4 Citations
2,220 Views
18 Pages

30 October 2024

Composite polyethersulfone (PES) membranes containing N-aminoethyl piperazine propane sulfonate (AEPPS)-modified graphene oxide (GO) were integrated with either of the two pretreatment processes (activated carbon (AC) adsorption or polyelectrolyte co...

  • Article
  • Open Access
62 Citations
8,724 Views
19 Pages

Antioxidant and Cytoprotective Potential of the Essential Oil Pistacia lentiscus var. chia and Its Major Components Myrcene and α-Pinene

  • Vasileios Xanthis,
  • Eleni Fitsiou,
  • Georgia-Persephoni Voulgaridou,
  • Athanasios Bogadakis,
  • Katerina Chlichlia,
  • Alex Galanis and
  • Aglaia Pappa

18 January 2021

The antioxidant, cytoprotective, and wound-healing potential of the essential oil from the resin of Pistacia lentiscus var. chia (mastic oil) was evaluated, along with that of its major components, myrcene and α-pinene. Antioxidant potential wa...

  • Article
  • Open Access
12 Citations
4,908 Views
10 Pages

Absorption and Distribution of Toltrazuril and Toltrazuril Sulfone in Plasma, Intestinal Tissues and Content of Piglets after Oral or Intramuscular Administration

  • Hamadi Karembe,
  • Daniel Sperling,
  • Nathalie Varinot,
  • Reynald Magnier,
  • Mathieu Peyrou,
  • Nicolas Guerra,
  • Jiří Smola,
  • Jan Vasek,
  • Barbara Hinney and
  • Anja Joachim

16 September 2021

Piglet coccidiosis due to Cystoisospora suis is a major cause of diarrhea and poor growth worldwide. It can effectively be controlled by application of toltrazuril (TZ), and oral formulations have been licensed for many years. Recently, the first par...

  • Review
  • Open Access
27 Citations
12,949 Views
25 Pages

11 November 2021

Perfluoroalkyl and polyfluoroalkyl substances (PFASs) consist of a group of environmentally persistent, toxic and bio-accumulative organic compounds of industrial origin that are widely present in water and wastewater. Despite restricted use due to c...

  • Article
  • Open Access
25 Citations
2,545 Views
12 Pages

7 October 2022

A novel anionic nanostructured cellulose derivate was prepared through the coupling of TEMPO-oxidized cellulose nanofibers with 3-aminopropyl sulfonic acid (3-APSA). 3-APSA grafting was variously investigated by FT-IR spectroscopy and transmission el...

  • Article
  • Open Access
8 Citations
2,563 Views
11 Pages

25 October 2023

Paper-based thermoelectric (PTE) generators have recently emerged as a green technology that can help alleviate environment pollution and the energy crisis. In this work, a PTE generator was prepared by coating a post-treatment-free thermoelectric in...

  • Article
  • Open Access
9 Citations
4,424 Views
20 Pages

Quercus infectoria Gall Ethanolic Extract Accelerates Wound Healing through Attenuating Inflammation and Oxidative Injuries in Skin Fibroblasts

  • Suttiwan Wunnoo,
  • Decha Sermwittayawong,
  • Rachanida Praparatana,
  • Supayang Piyawan Voravuthikunchai and
  • Chanawee Jakkawanpitak

9 September 2024

Quercus infectoria Olivier (Fagaceae) nutgall, a traditional Asian medicine, is renowned for its efficacy in treating wounds and skin disorders. Although the gall extract has shown promising results in accelerating wound healing in diabetic animal mo...

  • Article
  • Open Access
2 Citations
3,855 Views
15 Pages

Role of Homologous Recombination Genes in Repair of Alkylation Base Damage by Candida albicans

  • Toni Ciudad,
  • Alberto Bellido,
  • Encarnación Andaluz,
  • Belén Hermosa and
  • Germán Larriba

7 September 2018

Candida albicans mutants deficient in homologous recombination (HR) are extremely sensitive to the alkylating agent methyl-methane-sulfonate (MMS). Here, we have investigated the role of HR genes in the protection and repair of C. albicans chromosome...

  • Article
  • Open Access
11 Citations
4,057 Views
17 Pages

Is Mixtures’ Additivity Supported by Empirical Data? A Case Study of Developmental Toxicity of PFOS and 6:2 FTS in Wildtype Zebrafish Embryos

  • Megan E. Fey,
  • Philip E. Goodrum,
  • N. Roxanna Razavi,
  • Christopher M. Whipps,
  • Sujan Fernando and
  • Janet K. Anderson

25 July 2022

Per- and polyfluoroalkyl substances (PFASs) are a major priority for many federal and state regulatory agencies charged with monitoring levels of emerging contaminants in environmental media and setting health-protective benchmarks to guide risk asse...

  • Article
  • Open Access
4 Citations
3,104 Views
15 Pages

Hemodialysis (HD) is a life-sustaining treatment of crucial importance in managing end-stage renal disease (ESRD). However, this membrane-based therapy is associated with acute side-effects due to bioincompatibility issues and limitations on the remo...