Gels - Science topic

This Special Issue entitled "New Gels for Medical Applications" was launched to collect and disseminate original, theoretical, and applied scientific research related to gelled materials with utilization in all areas concerning health.

Strain hardening is a type of rheological behaviour that can be observed in large deformation tests of various materials. In oscillatory shear rheometry, it is characterised by an increase in storage and loss modulus (G' and G'') with increasing oscillation amplitude (i.e, shear strain) until the material fractures and the moduli drop again. Acid-i...

This study investigated the effect of dolomitic lime incorporation on the microstructure and mechanical properties of metakaolin-based geopolymers activated by alkaline solution. Five geopolymer mixtures were prepared with the addition of 0.0%, 2.5%, 5.0%, 7.5%, and 10.0% dolomitic lime. The microstructure of the geopolymers was evaluated by scanni...

A elevada produção global de Mangifera indica gera uma considerável quantidade de resíduos, como cascas e sementes que são frequentemente descartados. O aproveitamento desses subprodutos promove uma abordagem mais sustentável, reduzindo impactos ambientais e abrindo novas perspectivas na área fitocosmética. A casca apresenta metabólitos secundários...

A elevada produção global de Mangifera indica gera uma considerável quantidade de resíduos, como cascas e sementes que são frequentemente descartados. O aproveitamento desses subprodutos promove uma abordagem mais sustentável, reduzindo impactos ambientais e abrindo novas perspectivas na área fitocosmética. A casca apresenta metabólitos secundários...

Six new species of Parmotrema (P. aristidesii, P. hypoflavum, P. marjorieanum, P. marlitonii, P. nelihondae, and P. subcristiferum) and P. cristiferum, all containing salazinic acid, were collected from the Amazon rainforest in Mato Grosso State, Brazil, (Central South America), and are described, illustrated, and commented by using the ultimate ve...

An effective approach to stabilize emulsions is to increase the rigidity of oil–water (O/W) interfacial films by adsorbing molecular assemblies such as lamellar phases around the emulsion particles. In this study, we aimed to analyze the structure of a lamellar phase adsorbed at an O/W interface and to clarify the effect of the structure and physic...

The existing DNA extraction process for Mycobacterium tuberculosis employs a pretreatment step that may not function at its full potential. This inefficient process led to complications in subsequent analysis; thus, it is necessary to determine the successful extraction method with or without adding a pretreatment step. This study aims to determine...

Adenosine deaminase has been partially purified from protoscoleces of E. granulosus by gel filtration chromatography using Sephadex G100. The molecular weight of the enzyme determined by gel filtration was about 44000 dalton with specific activity about 920 nmole / min / mg protein and with purification fold of about 51. The optimum pH was found to...

The degradation of fixed cationic groups in most anion exchange membranes (AEMs) under alkaline environments limits their durability for alkaline water electrolysis (AWE). Ion‐solvating membranes (ISMs) have emerged as a promising alternative to address this issue. Herein, a cationic group‐free ion solvating membrane in a free‐standing gel form (IS...

A recently introduced radiochromic complex composed of polyvinyl alcohol, iodide, and silica nanoparticles named “PAISiN” has potential as an extremity dosimeter because of its easily recognizable color change and reusability. In this study, the influence of temperature on the decolorization process of PAISiN after X-ray irradiation was investigate...

Electrochromic (EC) materials and devices with potential‐driven optical modulation abilities have open possibilities for creating innovative and adaptive technologies. EC materials that reversibly switch from transmissive to dark or vice versa are beneficial in various applications. Though many EC materials are reported, several key issues exist, s...

Flexible solid‐state supercapacitors (FSSCs) have garnered significant attention due to their advantages, including lightness, adaptability, enhanced safety, and extensive operational potential windows. These features make them highly suitable as energy storage devices for the next generation of portable and flexible electronics. The recent surge i...

The objective of this research was to synthetize a hydroxyapatite-capsaicin composite (HAp-CAP) and assess its physicochemical properties for potential use in an in-office dental bleaching gel. The HAp-CAP nanocomposite was prepared by the precipitation method using a 4:1 ratio of nano-hydroxyapatite (nano-HAp) to capsaicin (CAP) dissolved in 99.5%...

The utilization of silicomanganese slag (SiMnS) as a precursor for alkali-activated materials (AAMs) is considered as an efficient approach for sustainable and eco-friendly large-scale resource utilization. However, sodium silicate solutions account for more than 50% of the production costs and carbon emissions of AAMs. In this study, AAM activator...

Purpose Current three‐dimensional (3D) MR Spin TomogrAphy in Time‐Domain (MR‐STAT) protocols use transient‐state, gradient‐spoiled gradient‐echo sequences that are prone to cerebrospinal fluid (CSF) pulsation artifacts when applied to the brain. This study aims to develop a 3D MR‐STAT protocol for whole‐brain relaxometry that overcomes the challeng...

El bromuro de etidio (EtBr) es un colorante fluorescente ampliamente utilizado para la tinción de ácidos nucleicos en geles de agarosa y poliacrilamida. No obstante, el EtBr presenta varios incovenientes, como su alta toxicidad y capacidad mutagénica, lo que restringe su uso y manejo. En este estudio, se evaluó el uso de GelRed®, un colorante alter...

O estudo aborda a relação entre a saúde bucal e os possíveis impactos negativos do clareamento dental, ressaltando a crescente procura por este procedimento estético. O desejo por padrões estéticos ocidentais tem motivado o aprimoramento de técnicas clareadoras desde o século XIX, utilizando substâncias como os peróxidos de hidrogênio e carbamida....

This study aims to formulate and evaluate a herbal hair gel specifically tailored for men. The formulation process involved selecting natural herbal ingredients known for their hair nourishing and styling properties, such as flax seeds, Almond oil, Various formulations were prepared and assessed for their viscosity, spreadability, pH, stability, an...

This protocol outlines a method for extracting high-quality DNA from museum-preserved hides using a phenol/chloroform extraction process and phase lock gel tubes to optimize yield and purity. The procedure involves a multi-step workflow beginning with ethanol soaking to remove salts, followed by mechanical homogenization and enzymatic digestion of...

This study aimed to investigate the use of amaranth gel containing amaranth and beetroot powder to replace beef meat at different concentrations (20%, 30%, and 40%) to evaluate its effects on product quality. The chemical composition analysis revealed that adding amaranth gel led to significant changes in the emulsions’ nutritional profile. Higher...

Aqueous zinc‐ion batteries (AZIBs) attract attention due to their safety and high specific capacity. However, their practical applications are constrained by Zn anode corrosion, dendritic growth, and poor high‐temperature adaptability induced by a strong hydrogen‐bond network in aqueous electrolytes. In this work, a dual network polyanionic gel ele...

Mycosis fungoides (MF) is the most common form of cutaneous T cell lymphoma. While multiple guidelines provide treatment recommendations, there are currently no clear treatment algorithms for MF. Chlormethine gel is recommended by major treatment guidelines as a first-line option for stage IA–IIA disease, and, on the basis of these guidelines, used...

This experiment primarily explains how different coatings like chitosan, aloe vera gel, carboxy methyl cellulose and xanthan gum were effective in enhacing the shelf life of Pant Lemon-1 by limiting transpiration, respiration rates and consequently, preventing or delaying the response to ethylene action.

This research aims to study some of different parameters of some Syrian soft wheat varieties recently approved for cultivation, using Mixolab device according to the ICC.No.173 method; The required samples of durum wheat varieties: Sham8, Buhouth8, and Doma2 were obtained from the Research Station of the Scientific Agricultural Research Center, at...

O Siliconoma é uma complicação em decorrência de um extravasamento de macropartículas e micropartículas de implantes de silicone que podem ocorrer por ruptura ou por bleeding (sangrar). Este por sua vez pode-se apresentar em implantes mamários intactos no qual partículas de silicone podem migrar pela rede linfática, alcançando os linfonodos axilare...

Low‐cost molecular emitters that merge circularly polarized luminescence (CPL) and thermally activated delayed fluorescence (TADF) properties are attractive for many high‐tech applications. However, the design of such emitters remains a difficult task. To address this challenge, here, we propose a simple and efficient strategy, demonstrated by the...

Background VYC‐25L is a robust, structural hyaluronic acid (HA) filler designed for facial volumizing, lifting, and contouring. It was first approved in 2019. Methods A group of doctors with various specialties, who have used VYC‐25L extensively since it first became available in their countries (3–5 years), share clinical experience and guidance...

Silica fume (SF) has been widely used in engineering; however, its densification during transportation reduces its original pozzolanic activity. This paper investigates the effects of wet grinding and chemical activation on the mechanical properties and hydration products of silica fume in cement-based materials, revealing the mechanism by which we...

The outer skin of robusta coffee bean (Coffea canephora) was a processing waste containing phenolic compounds with antioxidant role. This activity is relevant when used in cosmetic preparations such as peel-off masks, which form a thin elastic layer on the facial surface and are easy to remove. One of the important ingredients of peel-off masks is...

A novel room‐temperature flexible, self‐healing PCM (denoted as PEG/PHMAC) based on gel skeleton was prepared in one‐pot free‐radical polymerization by using acrylic acid (AC) and hydroxyethyl methacrylate (HM) as monomers and polyethylene glycol (PEG) as phase change component and solvent. The as‐prepared samples exhibit excellent flexibility with...

UV radiation can generate ROS, thereby damaging neutrophils, leading to the uncontrolled release of elastase, and causing aging. This study intends to examine the antioxidants and anti-elastase activity of the skin of Garcinia dulcis (Roxb.) Kurz fruit in serum gel extract preparation. The methods used in this research are microwave-assisted extrac...

Cementitious material durability is affected by the transport and adsorption of water molecules and ions in the nanopore channels of cement hydration products. Hydrated calcium silicate (C-S-H) accounts for about 70% of the hydration product. It determines the mechanical properties of cementitious materials and their internal transport properties....

Gel electrophoresis is essential in molecular biology and biochemistry for separating and analyzing DNA, RNA, and proteins. UV sensitivity and compatibility have led to the use of ethidium bromide stains. Mutagenic and toxic, ethidium bromide poses health and environmental risks, requiring strict handling and disposal procedures. This has led to sa...

Achieving efficient circularly polarized white organic light‐emitting diode (CP‐WOLED) remains a significant challenge. In this study, a proof‐of‐concept for realizing CP‐WOLED is proposed using an electroplex emission strategy between a chiral thermally activated delayed fluorescence (TADF) emitter and hole‐transporting material. A series of chira...

Background Levodopa–entacapone–carbidopa intestinal gel (LECIG) was introduced on the Swedish market in 2019. The therapy is aimed at patients with Parkinson's disease (PD) with fluctuations and dyskinesias. Long‐term efficacy and safety data are lacking. Objective To investigate the efficacy, tolerability, and safety of LECIG in regular clinical...

A recrosslinkable CO2-resistant branched preformed particle gel (CO2-BRPPG) was developed for controlling CO2 injection conformance, particularly in reservoirs with super-permeable channels. Previous work focused on a millimeter-sized CO2-BRPPG in open fractures, but its performance in high-permeability channels with pore throat networks remained u...

Thermal interface materials (TIMs), which consist of polymers and thermally conductive fillers, are crucial for improving heat dissipation. This study examines the impact of surface functionalization of Si₃N₄ thermal conductive fillers on the performance of TIMs. Si₃N₄ fillers are modified with silane coupling agents of varying alkyl chain lengths,...

La osteonecrosis de los maxilares asociada con medicamentos (MRONJ) afecta alrededor del 5% de los pacientes tratados con bisfosfonatos y otros fármacos similares. En el presente reporte de caso se describe el manejo de un caso de MRONJ utilizando terapia de fotobiomodulación (FBM) combinada con oxígeno activo y lactoferrina (Blue®M). Se trata de u...

The assembly of synthetic modules into user‐defined hydrogels for cell culture and clinical applications carries significant advantages over naturally derived materials. Modularity is exploited in synthetic‐polymer‐based hydrogels to alter their physical properties, and spatiotemporally incorporate signaling peptides and growth factors. By contrast...

The aim of this research was to obtain information about resistant starch (RS) content on modified arrowroot starch (AS) and its functional properties as a consequence of modification to meet suitable application in the food industry. Two treatments were used to increase RS content in the AS i.e. through branched chain cutting of AS using pullulana...

Two common waste by-products in Thailand, rice husk ash (RHA) and coir fiber (CF), were used alongside lime (L) to stabilize laterite soil and create a sustainable subbase material for pavements. The mechanical properties of the laterite soil mixed with RHA, lime, and CF were evaluated through compaction characteristics, unconfined compressive stre...

Rice protein and moisture content are pivotal in the gelatinization and retrogradation processes of rice starch. This study aimed to explore the influence of rice protein on these processes by preparing rice starch gels with varying moisture levels and incorporating rice protein. At a high moisture content of 1:6, rice protein exhibited a minimal e...

Luka bakar yang disebabkan oleh inflamasi dapat mengarah pada kondisi yang parah dan berpotensi fatal, terutama jika luka tersebut terdapat pada area tubuh yang sangat sensitif atau jika luka tersebut terinfeksi Peradangan yang tidak diobati dapat menyebabkan peradangan yang sangat parah, yang dapat merusak sel, jaringan, atau organ tubuh. Akar Son...

Idiopathic intracranial hypertension (IIH) is a condition characterized by headache, visual obscuration, and pulsatile tinnitus caused due to raised intracranial pressures without any underlying pathology of brain parenchyma or its structure. The diagnosis of IIH can be reconsidered especially when there are no risk factors associated during presen...

This research explores the effects of incorporating jarosite, a byproduct from the zinc industry, as a partial substitute for cement in concrete on its mechanical performance, durability, and microstructural characteristics. Four concrete mixes, including a control mix (M45) and mixes with jarosite replacing 10%, 15%, and 20% of the cement, were pr...

Graph neural networks can accurately predict the chemical properties of many molecular systems, but their suitability for large, macromolecular assemblies such as gels is unknown. Here, graph neural networks were trained and optimised for two large-scale classification problems: the rigidity of a molecular network, and the connectivity percolation...

Idiopathic intracranial hypertension (IIH) is a condition characterized by headache, visual obscuration, and pulsatile tinnitus caused due to raised intracranial pressures without any underlying pathology of brain parenchyma or its structure. The diagnosis of IIH can be reconsidered especially when there are no risk factors associated during presen...

Recently, metal−organic framework (MOF)-derived binary transition-metal oxide (BTMO) holds promise as an ideal electrode material for energy-storage applications. Here, we report a facile synthesis procedure of MOF-derived BTMO that commences with the preparation of Cu-MOF through the coordination of Cu 2+ with 2-MeIM. Subsequently, Ni 2+ is introd...

Supramolecular systems are often designed such that a steady state exists. However, the ability to design systems with pre‐determined changes in state can lead to highly dynamic materials, with evolving supramolecular structures and adaptable material properties. This approach is of great interest from the perspective of designing adaptive systems...

Polymer gel was widely used as water shutoff agent in mature oil fields. And the results of single-phase plugging experiments show that the plugging rate of the polymer gel to the oil phase is lower than that of the water phase. However, the disproportionate permeability reduction (DPR) mechanism of polymer gels still remains controversial. In this...

The rapid development of mechano‐responsive fluorescence has been driven by its promising applications in the fields of sensors, information encryption, and anti‐counterfeiting. However, designing mechanophores that can exhibit fluorescence changes under relatively low force remains challenging. In this study, a mechano‐responsive fluorescent gel w...

FmocFF (9-fluorenyl methoxycarbonyl-phenylalanine) is an extensively studied low-molecular-weight hydrogel. Although there have been numerous studies on FmocFF hydrogel, its potential to form organogels has not been well explored. In this work, we systematically explore the organogels of FmocFF in a wide range of organic solvents. FmocFF is found t...

The study was designed to validate the previously reported 34 SSR markers using 78 chilli genotypes to detect significant trait specific markers as well as superior genotypes resistant to Phytophthora capsici root rot (PcRR). In this context, the identification of germplasm with higher yield per plant (YPP) leads to hype in stress tolerance index (...

Introduction: Topical clindamycin phosphate 1.2%/adapalene 0.15%/benzoyl peroxide 3.1% (CAB) gel is the first fixed-dose, triple-combination formulation approved for the treatment of acne, and is indicated in patients 12 years of age and older. In 3 clinical studies of participants with moderate-to-severe acne, CAB gel demonstrated superior efficac...

It has been reported that ripe ginger rhizomes contain proteolytic enzymes. In this study, we investigated the fluctuations in protease activity from ginger rhizomes stored after harvest for the utilization of proteases. The juice from ginger rhizomes that had been stored for 4 months after harvest exhibited the highest specific protease activity....

Introduction: Clindamycin phosphate (CLIN) 1.2%/adapalene (ADAP) 0.15%/benzoyl peroxide (BPO) 3.1% gel (CAB) is the only triple-combination topical treatment approved for acne. These analyses assessed efficacy and safety of CAB gel by baseline acne severity vs component dyads and branded ADAP/BPO gel. Methods: These post hoc analyses used data pool...

Surimi products are favored by domestic and foreign consumers due to their distinctive gelatinous texture, rich nutrition, and convenient consumption. Gel properties are key evaluation indicators for the quality of surimi products, which was mainly determined by the gel‐forming ability of the myofibrillar protein (MP). In recent years, the surimi p...

The unique properties of confined water molecules within polymer networks have garnered extensive research interest in energy storage, catalysis, and sensing. Confined water molecules exhibit higher thermodynamic stability compared to free water, which reduces decomposition and evaporation of water in hydrogel electrolyte system. Herein, a facile s...

Supramolecular gels (SGs) consisted of noncovalent cross-linking network structures are fascinating due to their efficient energy dissipation and reversible self-healing properties. However, it is unknown how the noncovalent interactions alter the macroscopic self-healing and mechanical properties of SGs. Herein, the peculiar nature of SGs manufact...

This study aimed to improve the mechanical properties and microstructure of recycled aggregate concrete (RAC) by incorporating carbon fibers (CFs) and nano-SiO2 (NS) to promote the optimal utilization of RAC. The mechanical properties of the RAC were enhanced by both single and hybrid additions of CFs and NS, and the hybrid addition had a better st...

Introduction: The main goal of acne treatment is to clear lesions quickly to manage and/or mitigate sequelae. Topical clindamycin phosphate 1.2%/adapalene 0.15%/benzoyl peroxide 3.1% (CAB) gel is the only fixed-dose, triple-combination approved for acne. In three published clinical studies of participants with moderate to severe acne, CAB gel demon...

Macrosuperlubric materials are pivotal for reducing friction and wear in engineering applications. However, current solid superlubricants require intricate fabrication and specific conditions (e.g., vacuum or inert atmospheres), while liquid superlubricants are prone to creep, leakage, and corrosion. Here, a novel semisolid subnanometer nanowire (S...