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Littérature scientifique sur le sujet « CARBOXYMETHYL TAMARIND KERNEL GUM »

Auteur : Grafiati
Publié le 16 janvier 2024

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Articles de revues sur le sujet "CARBOXYMETHYL TAMARIND KERNEL GUM"

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Meena, Jagram, Sudhir G. Warkar et Devendra Kumar Verma. « Carboxymethyl Tamarind Kernel Gum Nanoparticles ; As an Antioxidant Activity ». Journal of New Materials for Electrochemical Systems 26, no 3 (25 août 2023) : 145–50. http://dx.doi.org/10.14447/jnmes.v26i3.a01.

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The incorporation of biopolymer nanoparticles with potential antioxidant properties into biomaterials for human health care is significant. The current study focuses on nanoparticles carboxymethyl tamarind kernel gum (CMTKG) composite materials because of their potential applications. The co-precipitation method was used to create carboxymethyl tamarind kernel gum nanoparticles (CMTKG-NPs). This technique was used for the first time to create carboxymethyl tamarind kernel gum nanoparticles. The strength of nanoparticle conformation is reported to be influenced by co-precipitation and stirring time. Nanoparticles were characterised using high-resolution transmission electron microscopy (HR-TEM), field emission scanning electron microscopy (FE-SEM), fourier transform infrared (FTIR), x-ray diffraction analysis (XRD), and thermo-gravimetric analysis (TGA). Suspense particle sizes have been determined to be in the 40-60 nm range. It was concluded that similar nanoparticles could be used in antioxidant activities.
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Khushbu et Sudhir G. Warkar. « Potential applications and various aspects of polyfunctional macromolecule- carboxymethyl tamarind kernel gum ». European Polymer Journal 140 (novembre 2020) : 110042. http://dx.doi.org/10.1016/j.eurpolymj.2020.110042.

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Meena, Jagram, Harish Chandra et Sudhir G. Warkar. « Carboxymethyl Tamarind Kernel Gum /ZnO- Biocomposite : As an Antifungal and Hazardous Metal Removal Agent ». Journal of New Materials for Electrochemical Systems 25, no 3 (31 août 2022) : 206–13. http://dx.doi.org/10.14447/jnmes.v25i3.a08.

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ZnO nanoparticles (ZnO NPs) were in situ mixed with carboxymethyl tamarind kernel gum to generate the new biocomposite. High-resolution transmission electron microscopy (HR-TEM), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared (FTIR), x-ray diffraction analysis (XRD), and dynamic light scattering (DLS)were used to characterize the CMTKG/ZnO nanocomposites. Numerous characterizations were utilized to prove that ZnO NPs had been integrated into the biopolymer matrix. The standard size of the CMTKG/ZnO nanocomposites was developed to be greater than 32–40 nm using high-resolution transmission electron microscopy and x-ray analysis de-Scherer methods. Chromium (VI) was removed from the aqueous solution using the nanocomposite (CMTKG/ZnO) as an adsorbent. The nanocomposite reached its maximum adsorption during 80 minutes of contact time, 30 mg/L chromium (VI) concentration, 2.0 g/L adsorbent part, and 7.0 pH. Further research into the antifungal activity of CMTKG/ZnO nanocomposites against Aspergillus flavus MTCC-2799 was conducted.
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Khushbu, Sudhir G. Warkar et Anil Kumar. « Synthesis and assessment of carboxymethyl tamarind kernel gum based novel superabsorbent hydrogels for agricultural applications ». Polymer 182 (novembre 2019) : 121823. http://dx.doi.org/10.1016/j.polymer.2019.121823.

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Meena, Priyanka, Poonam Singh et Sudhir G. Warkar. « Development and assessment of carboxymethyl tamarind kernel gum-based pH-responsive hydrogel for release of diclofenac sodium ». European Polymer Journal 197 (octobre 2023) : 112340. http://dx.doi.org/10.1016/j.eurpolymj.2023.112340.

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Khushbu, Sudhir G. Warkar et Nandkishore Thombare. « Zinc micronutrient-loaded carboxymethyl tamarind kernel gum-based superabsorbent hydrogels : controlled release and kinetics studies for agricultural applications ». Colloid and Polymer Science 299, no 7 (30 mars 2021) : 1103–11. http://dx.doi.org/10.1007/s00396-021-04831-8.

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Khushbu, Sudhir G. Warkar et Nandkishore Thombare. « Correction to : Zinc micronutrient-loaded carboxymethyl tamarind kernel gum-based superabsorbent hydrogels : controlled release and kinetics studies for agricultural applications ». Colloid and Polymer Science 299, no 9 (19 juillet 2021) : 1505. http://dx.doi.org/10.1007/s00396-021-04857-y.

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Gupta, S., S. Jain, GK Rao, V. Gupta et R. Puri. « Tamarind kernel gum : An upcoming natural polysaccharide ». Systematic Reviews in Pharmacy 1, no 1 (2010) : 50. http://dx.doi.org/10.4103/0975-8453.59512.

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Sultana, Shahin, Shahnawaz Alom, Shamima Akhter Eti et Farzana Khan Rony. « Mechanical Behavior of Polysaccharide Based Biopolymer Synthesized from the Seed Kernel of Tamarindus Indica L ». Advances in Materials Science 23, no 1 (1 mars 2023) : 58–68. http://dx.doi.org/10.2478/adms-2023-0004.

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Abstract Biopolymer carboxymethyl tamarind seed kernel polysaccharide (CMTSP) was synthesized by the reaction of tamarind kernel powder (TKP) of Tamarindus indica L. with monochloroacetic acid by an improved method. The synthesis was conducted in presence of sodium hydroxide at optimized conditions of time, temperature, concentrations of TKP, MA, sodium hydroxide. Tamarind seed polysaccharide (TSP) was also extracted from TKP by boiling distilled water. The chemical structure of TKP, TSP and CMTSP were analyzed by the ATRFTIR. When TKP, TSP, and CMTSP’s comparative physico-mechanical properties were examined and compared, CMTSP performed better due to increase in viscosity, water solubility and tensile properties.
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Shaw, Gauri S., K. Uvanesh, S. N. Gautham, Vinay Singh, Krishna Pramanik, Indranil Banerjee, Naresh Kumar et Kunal Pal. « Development and characterization of gelatin-tamarind gum/carboxymethyl tamarind gum based phase-separated hydrogels : a comparative study ». Designed Monomers and Polymers 18, no 5 (18 mai 2015) : 434–50. http://dx.doi.org/10.1080/15685551.2015.1041075.

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Thèses sur le sujet "CARBOXYMETHYL TAMARIND KERNEL GUM"

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KATYAL, HIMANSHU. « PREPARATION CHARACTERIZATION AND OPTIMIZATION OF CARBOXYMETHYL TAMARIND KERNEL GUM-POLY VINYL ALCOHOL HYDROGEL VIA DATA ENVELOPMENT ANALYSIS ». Thesis, 2021. http://dspace.dtu.ac.in:8080/jspui/handle/repository/20365.

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Conventional synthesis process usually involves hit and trial approach which is laborious process that consumes ample resources and time. Hence, it’s really important to adopt computer-aided techniques of optimization for selecting the optimum parameters which are used in synthesis of material involved. In my work, a novel optimizing technique was used for precise synthesis of carboxymethyl tamarind kernel gum (CMTKG) - poly vinyl alcohol (PVA) based hydrogel which itself is a novel combination. In this total 16 samples were prepared by varying the input parameters such as concentrations of both polymers, initiator and crosslinker and the products formed were analyzed for optimizing the reaction variables using data envelopment analysis (DEA). Each sample was considered as decision making unit (DMU) in order to get the efficiency frontier. Data Envelopment Analysis was applied to different DMUs to obtain their relative efficiencies according to which efficient and inefficient DMUs were discriminated. Also, to improve the performance of inefficient DMUs, slack analysis was done for CCR DEA model. Slack of inputs shows how much excess amount is there in each DMU which suggest possible reduction in inputs to improve the efficiency of that DMU. Experimentally swelling studies were also carried out in order to validate the model by matching it with the predicted DMU. This innovative green technique used for accurate synthesis of CMTKG-PVA hydrogel helped in predicting the optimal parameters using less time, labour and resources. This thesis entitled “Preparation, Characterization and Optimization of Carboxymethyl Tamarind Kernel Gum- Poly Vinyl Alcohol based hydrogel via Data Envelopment Analysis” includes the synthesis of hydrogel, its characterization by FTIR, SEM, TGA, DSC and the use of Data Envelopment Analysis for optimizing the reaction variables used in synthesis including study of swelling kinetics and rheological study of the optimized hydrogel. The whole study is compiled in five chapters, (1) Introduction (2) Literature review (3) Experiment Performed (4) Result and Discussion (5) Conclusion
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YADAV, EKTA, et KOMAL PANDEY. « SYNTHESIS AND APPLICATION OF ZINC LOADED CARBOXYMETHYL TAMARIND KERNEL GUM AND XANTHAN GUM-BASED SUPERABSORBENT HYDROGELS TO INVESTIGATE THE EFFECT ON SESAME PLANT GROWTH ». Thesis, 2023. http://dspace.dtu.ac.in:8080/jspui/handle/repository/19895.

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The novel superabsorbent hydrogel (SAH) was fabricated by interpenetrating xanthan gum and carboxymethyl tamarind kernel gum with sodium methacrylate. Various compositions of SAH were fabricated by varying the concentration of biopolymers, monomers, cross linker, and initiators. The structural morphology of SAH was characterized by FTIR, FE SEM, and TGA techniques. The swelling behavior of SAH was studied in different mediums viz. distilled water, 0.9 % NaCl, pH 4,9, and 12. Zinc Chloride was incorporate in SAH for the release zinc micronutrient. The Zinc Superabsorbent hydrogel was utilized for controlled-release studies of zinc micronutrients in soil and water. It was found that ZSAH showed 51.6 % release in water within 60 hours and 51.87 % release in soil within 60 days which were analyzed by atomic absorption spectroscopy (AAS) technique. Moreover, under the release kinetic studies, it was seen that the Korsmeyer-Peppas model fitted well in the zinc release pattern in soil and water. The estimated value of diffusion exponent (n) clearly indicated that the mechanism of zinc release followed fickian diffusion. Hence, the novel synthesized ZSAH acts as an excellent micronutrient carrier for agricultural applications.
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Shaw, Gauri Shankar. « Preparation and Characterization of Gelatin-Tamarind Gum /Carboxymethyl Tamarind Gum Based Phase Separated Hydrogels and Films for Tissue Engineering Application ». Thesis, 2016. http://ethesis.nitrkl.ac.in/8319/1/2016_m.tech_613bm6012_Preparation.pdf.

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The purpose of this research was to synthesize and characterize gelatin and tamarind gum/carboxymethyl tamarind gum based phase-separated hydrogels and films for tissue engineering applications. The polymeric constructs were thoroughly characterized using bright-field microscope, FTIR spectroscope, differential scanning calorimeter (DSC), mechanical tester and impedance analyzer. The biocompatibility and swelling property also evaluated. The antimicrobial efficiency of ciprofloxacin (model antimicrobial drug) loaded hydrogels and films were studied against E. coli. The in vitro drug release was carried out in pH 7.4. Microstuctural analysis suggested the formation of phase-separated formulations. FTIR studies suggested that carboxymethyl tamarind gum altered the secondary structure of the gelatin molecules. Presence of the polysaccharides within the formulations resulted in the increase in the enthalpy and entropy for evaporation of the moisture from the hydrogels and films. The mechanical studies indicated viscoelastic nature of the polymeric constructs. Electrical analysis suggested an increase in the impedance of the formulations in the presence of the tamarind gum. The presence of carboxymethyl tamarind gum resulted in the decrease in the impedance of the formulations. The hydrogels and films exhibited good biocompatibility, and pH dependent swelling behavior. The drug loaded samples showed good antimicrobial activity and the drug release was pH dependent and diffusion mediated.
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Chapitres de livres sur le sujet "CARBOXYMETHYL TAMARIND KERNEL GUM"

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Pahuja, Sanuj, Rohit Prasad, Utkarsh Diwakar et Anil Kumar. « Synthesis of CMTKG Acrylamide-Urea Hydrogel and Its Application as a Fertilizer Delivery System ». Dans Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220746.

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Nitrogen (N) is a macronutrient which is required for growth of plants. The most common way of providing nitrogen to the plants is through urea fertilizers. With the increasing demand for crops, the usage and demand of urea as a fertilizer has also been increasing. A lot of nitrogen that is supplied in form of fertilizers actually gets wasted. Almost 40–70 % nitrogen supplied through urea is not utilized by plants, generating environmental problems like eutrophication, therefore there is a need of developing a fertilizer that will stop this wastage. The aim of this study was to use natural products like CMTKG for preparing crosslinked Urea hydrogel which can be used as a fertilizer releasing agent. This work reports the synthesis of hydrogel using Carboxymethyl tamarind kernel gum (CMTKG) with Acrylamide (AAm), a solution of Sodium Hydroxide (NaOH), and Methacrylic acid (MA). The initiator used for this synthesis was Potassium persulfate (KPS), crosslinker was N, N-methylenebis (acrylamide) (MBA). The hydrogel synthesis was confirmed by characterization with swelling tests in a different pH solutions including pH 4, pH 7, pH 9, and distilled water. After the swelling studies of the hydrogel swelling index and swelling equilibrium were determined. The prepared hydrogel showed degradable properties in the soil burial test.
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