keyword
https://read.qxmd.com/read/38308418/regulating-grafting-density-to-realize-high-areal-capacity-silicon-submicroparticle-anodes-under-ultralow-binder-content
#21
JOURNAL ARTICLE
Zeheng Li, Juncheng Qiu, Weiting Tang, Zhengwei Wan, Zhuoying Wu, Zhen Lin, Guoyong Lai, Xiujuan Wei, Chengbin Jin, Lijing Yan, Shuxing Wu, Zhan Lin
Grafted biopolymer binders are demonstrated to improve the processability and cycling stability of the silicon (Si) nanoparticle anodes. However, there is little systematical exploration regarding the relationship between grafting density and performance of grafted binder for Si anodes, especially when Si particles exceed the critical breaking size. Herein, a series of guar gum grafted polyacrylamide (GP) binders with different grafting densities are designed and prepared to determine the optimal grafting density for maximizing the electrochemical performance of Si submicroparticle (SiSMP) anodes...
February 2, 2024: Small
https://read.qxmd.com/read/38306746/repair-of-hydrogel-wearable-devices-through-topological-adhesion-and-cross-shaped-sectional-enhancement-strategy
#22
JOURNAL ARTICLE
Xu Xiang, Zhihan Liu, Senxuan Tang
Hydrogels, recognized for their biocompatibility, are extensively employed in the realm of wearable devices. Nevertheless, their application is often constrained by their low mechanical robustness, rendering them susceptible to damage during operation. The restoration of their load-bearing and sensory functionalities post-damage represents a captivating yet underexplored domain. Conventional repair techniques, reliant on hydrogen bonding or van der Waals forces, falter in the face of hydrogels' high water content...
January 29, 2024: Journal of Colloid and Interface Science
https://read.qxmd.com/read/38298490/retracted-process-optimization-for-development-of-guar-gum-based-biodegradable-hydrogel-film-using-response-surface-methodology
#23
Bioinorganic Chemistry And Applications
[This retracts the article DOI: 10.1155/2022/9180000.].
2024: Bioinorganic Chemistry and Applications
https://read.qxmd.com/read/38293518/enhanced-gastric-residence-time-of-acyclovir-by-floating-raft-formulation-using-box-behnken-design
#24
JOURNAL ARTICLE
Rajalakshmi Munusamy, Sangeetha Shanmugasundharam
This research paper reports enhancing Acyclovir's gastric residence time by implementing a raft-forming drug delivery system. Because acyclovir is a narrow absorption window drug, it has a poor bioavailability of 10-20 % and a short half-life (t1/2 ) of 2.5 h. The guar gum and GMS-based floating raft formulation retain the drug in the stomach for an extended period by enhancing GRT. The Box-Behnken design is used to optimize the amount of guar gum, glyceryl monostearate, and calcium carbonate and to study how they affect the in vitro gelation time, viscosity, and in vitro drug release...
January 30, 2024: Heliyon
https://read.qxmd.com/read/38290637/undaria-pinnatifida-gel-inks-for-food-3d-printing-are-developed-based-on-the-colloidal-properties-of-undaria-pinnatifida-slurry-and-protein-colloidal-starch-substances
#25
JOURNAL ARTICLE
Yihan Sun, Xu Huang, Sainan Guo, Yuze Wang, Dingding Feng, Xiuping Dong, Hang Qi
Currently, people eat Undaria pinnatifida (UP) in a single way, and processing homogeneity is serious. However, UP has not gained any traction in the 3D printing industry to date. This study explored the incorporation of soy protein isolate (SPI), pea protein (PP), xanthan gum (XG), guar gum (GG), corn starch (CS), and potato starch (PS) into UP slurry liquid, the primary component of the study, to formulate a UP gel ink. The UP gel 3D printing ink system based on UP paste was established and characterized...
January 28, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38284029/preparation-and-characteristics-of-building-dust-suppressants-with-strong-resistance-to-harsh-environments
#26
JOURNAL ARTICLE
Hao Ding, Zhian Huang, Shijie Peng, Hongsheng Wang, Jinyang Li, Ruixiang Wang, Yinghua Zhang, Pengfei Wang
Most dust suppressants used for buildings currently lack sufficient resistance to harsh conditions, such as high temperatures and wind erosion. To solve this problem, it is necessary to develop a new type of dust suppressant. In this study, the guar gum molecule was chemically modified to remove the active hydroxyl group in order to significantly improve the stability and adhesion of guar gum. Eventually, a composite dust suppressant was synthesized by incorporating a surfactant and an absorbent agent into modified guar gum...
January 23, 2024: ACS Omega
https://read.qxmd.com/read/38280292/banana-fibre-chitosan-guar-gum-composite-as-an-alternative-wound-healing-material
#27
JOURNAL ARTICLE
Mridusmita Barman, Sazzadur Rahman, Naresh Joshi, Neeraj Sarma, Pranami Bharadwaj, Debajit Thakur, Rajlakshmi Devi, Devasish Chowdhury, Christopher Hurren, Rangam Rajkhowa
Bio-composites, which can be obtained from the renewable natural resources, are fascinating material for use as sustainable biomaterials with essential properties like biodegradable, bio-compatibility as well cyto-compatibility etc. These properties are useful for bio-medical including wound healing applications. In this study, fibre obtained banana pseudo stem of banana plant, which is otherwise wasted, was used as a material along with chitosan and guar gum to fabricate a banana fibre-biopolymer composite patch...
January 26, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38278399/polysaccharide-mediated-nanodrug-delivery-a-review
#28
REVIEW
Dinanath Gaikwad, Ravina Sutar, Dhanashri Patil
Polysaccharides have drawn a lot of attention due to their potential as carriers for drugs and other bioactive chemicals. In drug delivery systems, natural macromolecules such as polysaccharides are widely utilized as polymers. This utilization extends to various polysaccharides employed in the development of nanoparticles for medicinal administration, with the goal of enhancing therapeutic efficacy while minimizing side effects. This study not only offers an overview of the existing challenges faced by these materials but also provides detailed information on key polysaccharides expertly engineered into nanoparticles...
January 24, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38277180/plant-based-hydrocolloids-for-efficient-clarification-of-cane-juices-rheological-analysis-and-solidification-studies
#29
JOURNAL ARTICLE
Venkatesh T, Alphonsa George, Rishi Kesav S, Sajeev M S, Anjineyulu Kothakota
The present study is designed to study the efficiency of plant-based hydrocolloids for the efficient clarification of sugarcane juice and subsequent production of non-centrifugal sugars (NCSs). NCSs are generally produced with lime or other inorganic solids as a clarification agent, often leading to products with a bland taste and dark color. This work is a first of its kind, where plant-based hydrocolloids such as starch, xanthan gum, and guar gum are used for clarification studies. Clarification efficiency was evaluated in terms of separation efficiency, turbidity removal, sucrose content, color transmittance, and rheology studies...
January 26, 2024: Food & Function
https://read.qxmd.com/read/38262832/polysaccharide-from-clitocybe-squamulosa-gel-forming-properties-and-its-compound-effect-with-food-thickener
#30
JOURNAL ARTICLE
Yanfen Cheng, Shijie Wei, Rong Guo, Lirui Tan, Cuixin Su, Xiaoyue Wu, Hanbing Wang, Cuiping Feng, Lijing Xu, Xueran Geng, Junlong Meng, Mingchang Chang
To study the gel-forming properties of polysaccharide from the fruiting body of Clitocybe squamulosa (CSFP) and its degradation product (UH-CSFP), the changes in steady-state and dynamic rheological properties of CSFP and UH-CSFP under different conditions (polysaccharide mass fraction, temperature, pH, and salt ion concentration) were studied. Polysaccharides with good gel-forming properties were selected and mixed with common edible thickeners (gelatin, guar gum, and locust bean gum), after which the properties of the composite gel were assessed...
January 19, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38246454/techno-functional-properties-of-active-film-based-on-guar-gum-propolis-and-its-application-for-nanguo-pears-preservation
#31
JOURNAL ARTICLE
Yijing Pu, Hongxuan Wang, Haitao Jiang, Jiankang Cao, Guiqin Qu, Weibo Jiang
Guar gum (GG) composite films, incorporating the ethanolic extract of propolis (EEP), were prepared and subjected to a comprehensive investigation of their functional characteristics. The addition of EEP resulted in a discernible enhancement in the opacity, moisture barrier capacity, and elongation at break. Incorporating EEP led to a noteworthy increase in the total phenolic and total flavonoid content of the films, resulting in superior antioxidant capacity upon GG-EEP films. Remarkably, the addition of 5 % EEP yielded noteworthy outcomes, manifesting in a DPPH radical scavenging rate of 47...
January 19, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38234892/the-effect-of-high-hydrostatic-pressure-on-the-structure-of-whey-proteins-guar-gum-mixture
#32
JOURNAL ARTICLE
Saeed Mirarab Razi, Mohebbat Mohebbi, Seyyed Mahdi Mirzababaee, Mohammad Ali Hesarinejad, Mohammad Khalilian Movahed
The effect of high hydrostatic pressure (HHP) on the structural properties of whey protein concentrate (WPC) and guar gum mixture has been investigated at pH 5. WPC (6 % w/v) and guar gum (0.25 % w/v) mixture was freeze dried after adjusting pH and treated at different pressure levels (0-600 MPa) for 0-30 min. The solubility of treated powders decreased significantly (p < 0.05) as treatment time and pressure levels increased. Thermal analysis showed an increase in denaturation temperature after HHP treatment at 600 MPa...
January 15, 2024: Heliyon
https://read.qxmd.com/read/38211923/tannic-acid-crosslinked-chitosan-guar-gum-composite-films-for-packaging-application
#33
JOURNAL ARTICLE
Richa Sharma, R Dhamodharan
Chitosan (CH)-guar gum (GG) composite films crosslinked with tannic acid (TnA) were prepared by solution casting method. The films were then immersed in 5 % aqueous NH3 and dried again. They were characterized by IR spectroscopy, wide angle x-ray diffraction and thermogravimetric analysis. All the films were studied for physiochemical properties such as moisture content, swelling, solubility in water, water contact angle, water vapor permeability, opacity, tensile strength and antioxidant activity. The physiochemical and mechanical properties of films changed significantly when compared to CH as reflected by an increase in the amorphous domains of the films, a decrease in moisture content, swelling and solubility in water...
January 9, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38203579/absence-of-synergism-between-a-dual-amp-biogel-and-antibiotics-used-as-therapeutic-agents-for-diabetic-foot-infections
#34
JOURNAL ARTICLE
Rui Silva Soares, Diana Gomes, Isa Serrano, Eva Cunha, Luís Tavares, Manuela Oliveira
Diabetic foot infections (DFIs) are frequently linked to diabetic-related morbidity and death because of the ineffectiveness of conventional antibiotics against multidrug-resistant bacteria. Pexiganan and nisin A are antimicrobial peptides (AMPs), and their application may complement conventional antibiotics in DFI treatment. A collagen 3D model, previously established to mimic a soft-tissue collagen matrix, was used to evaluate the antibacterial efficacy of a guar gum gel containing pexiganan and nisin alone and combined with three antimicrobials toward the biofilms of Staphylococcus aureus and Pseudomonas aeruginosa isolated from infected foot ulcers...
December 28, 2023: International Journal of Molecular Sciences
https://read.qxmd.com/read/38196719/development-of-chewing-gum-model-system-from-phytocompounds-of-black-jamun-syzygium-cumini-pulp-and-study-of-its-dissolution-kinetics
#35
JOURNAL ARTICLE
Maanas Sharma, Kshirod K Dash, Laxmikant S Badwaik
Black jamun is a rich source of polyphenol and anthocyanin that provides major potential as a natural pigment. The different concentrations of encapsulated jamun pulp phytocompounds (0, 0.5, 1, 3 and 5 g 100 g-1 ) were incorporated with chewing gum for the development of functional food production. The study showed among variants, 5 g 100 g-1 encapsulates of black jamun pulp extract-based chewing gum (BJE-CG) showed better color stability and texture properties caused by the availability of alginate and guar gum in the encapsulates...
February 2024: Journal of Food Science and Technology
https://read.qxmd.com/read/38184053/using-chitosan-nanofibers-to-synergistically-construct-a-highly-stretchable-multi-functional-liquid-mental-based-hydrogel-for-assembling-strain-sensor-with-high-sensitivity-and-broad-working-range
#36
JOURNAL ARTICLE
Bingyan Wang, Xueyan Wang, Wenxia Liu, Zhaoping Song, Huili Wang, Guodong Li, Dehai Yu, Xiaona Liu, Shaohua Ge
Liquid metal (LM) microdroplets have garnered significant interest as conductive materials for initiating free radical polymerization in the development of conductive hydrogels suited for strain sensors. However, crafting multi-functional conductive hydrogels that boast both high stretchability and superior sensing capabilities remains as a challenge. In this study, we have successfully synthesized LM-based conductive hydrogels characterized by remarkable stretchability and sensing performance employing acrylic acid (AA) to evenly distribute chitosan nanofibers (CSFs) and to subsequently catalyze the free radical polymerization of AA...
January 4, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38171676/exploring-polysaccharide-based-bio-adhesive-topical-film-as-a-potential-platform-for-wound-dressing-application-a-review
#37
REVIEW
Sakshi Priya, Manisha Choudhari, Yashika Tomar, Vaibhavi Meghraj Desai, Srinath Innani, Sunil Kumar Dubey, Gautam Singhvi
Wound dressings act as a physical barrier between the wound site and the external environment, preventing additional harm; choosing suitable wound dressings is essential for the healing process. Polysaccharide biopolymers have demonstrated encouraging findings and therapeutic prospects in recent decades about wound therapy. Additionally, polysaccharides have bioactive qualities like anti-inflammatory, antibacterial, and antioxidant capabilities that can help the process of healing. Due to their excellent tissue adhesion, swelling, water absorption, bactericidal, and immune-regulating properties, polysaccharide-based bio-adhesive films have recently been investigated as intriguing alternatives in wound management...
March 1, 2024: Carbohydrate Polymers
https://read.qxmd.com/read/38165420/effects-of-a-prebiotic-formulation-on-the-composition-of-the-faecal-microbiota-of-people-with-functional-constipation
#38
JOURNAL ARTICLE
Rene Erhardt, Elizabeth Steels, Joanna E Harnett, Meng-Wong Taing, Kathryn J Steadman
PURPOSE: Prebiotics are defined as substances which selectively promote beneficial gut microbes leading to a health benefit for the host. Limited trials have been carried out investigating their effect on the microbiota composition of individuals afflicted by functional constipation with equivocal outcomes. In a 21-day randomised, controlled clinical trial involving 61 adults with functional constipation, a prebiotic formulation with partially hydrolysed guar gum and acacia gum as its main ingredients, significantly increased complete spontaneous bowel motions in the treatment group...
January 2, 2024: European Journal of Nutrition
https://read.qxmd.com/read/38161280/eco-safe-composite-edible-coating-of-hydrocolloids-with-papaya-leaf-extract-improves-postharvest-quality-and-shelf-life-of-papaya-fruit-under-ambient-storage
#39
JOURNAL ARTICLE
K Prasad, H Akshatha, J Pradhan, S K Singh, K Udit, N Saroj, C Mukhim, M K Lal, R K Tiwari, K Ravinder
Papaya postharvest management using low-temperature storage is discouraged as it is a tropical fruit. Extensive research is going on to preserve papaya quality at ambient storage using edible coatings and its composites. The present investigation examined the effects of an eco-safe composite edible coating consisting of hydrocolloid carboxymethyl cellulose (CMC) (1%), guar gum (1.5%), xanthan gum (0.3%), and Gum Arabic (10%) combined with papaya leaf extract (PLE) (1:1 ratio by volume) applied as dip treatment on "Red Lady" papaya fruit at ambient storage condition...
December 31, 2023: Journal of Food Science
https://read.qxmd.com/read/38139921/akd-emulsions-stabilized-by-guar-gel-a-highly-efficient-agent-to-improve-the-hydrophobicity-of-cellulose-paper
#40
JOURNAL ARTICLE
Xiaona Liu, Yingpu Li, Huili Wang, Zhaoping Song, Congping Tan, Guodong Li, Dehai Yu, Wenxia Liu
The aim of the present study was to investigate highly efficient alkyl ketene dimer (AKD) emulsions to improve the hydrophobicity of cellulose paper. AKD emulsions stabilized by guar gel were obtained; the guar gel was prepared by hydrogen bond cross-linking sodium tetraborate and guar gum. The cross-linking was confirmed by combining FTIR and SEM. The effect of guar gel on the performance of the AKD emulsions was also studied by testing AKD emulsions stabilized by different guar gel concentrations. The results showed that with increasing guar gel concentration, the stability of the AKD emulsions improved, the droplet diameter decreased, and the hydrophobicity and water resistance of the sized packaging paper were gradually enhanced...
December 11, 2023: Polymers
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