A system for the synthesis of chitosan-grafted copolymer / graphene oxide hydrogels for drug delivery

Abstract

A system for the synthesis of chitosan-grafted copolymer / graphene oxide hydrogels, comprising: a reaction vessel configured to contain a reaction mixture comprising chitosan, acrylamide, acrylonitrile, methacrylic acid, and graphene oxide; a nitrogen purge device designed to maintain an inert atmosphere in the reaction vessel; a mechanical stirring mechanism to ensure uniform mixing of the reaction mixture; a microwave irradiation unit configured to initiate polymerization of the reaction mixture; a temperature control unit configured to regulate the temperature of the reaction mixture during synthesis; and a material processing unit configured to process the resulting hydrogel for drug delivery applications.

Description

FIELD OF THE INVENTIONThe present disclosure relates to a system for synthesizing hydrogels from chitosan-grafted copolymer / graphene oxide. More particularly, the present invention relates to a system for synthesizing and characterizing chitosan-based hydrogels integrated with acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA) and graphene oxide (GO) by microwave irradiation under a nitrogen atmosphere.BACKGROUND OF THE INVENTIONDrug delivery systems continue to develop rapidly with the development of hybrid sophisticated materials. Terpolymer composites have received particular attention because of their multifunctionality and versatility. When grafted with biopolymers such as chitosan, these materials have improved biocompatibility and hydrophilicity, making them particularly suitable for biological applications. The incorporation of graphene oxide additionally improves its mechanical strength and thermal conductivity.Microwave induced radical polymerization has been found to be an innovative technique for synthesizing copolymers and offers advantages such as fast reaction rates and improved molecular weight distribution. This technique effectively polymerizes monomers such as acrylamide (AA), acrylonitrile (AN), and methacrylic acid (MAA), each monomer having unique properties: AA provides hydrophilicity, AN improves mechanical strength and chemical inertness, while MAA improves ion exchangeability and biocompatibility.In view of the foregoing discussion, it will be apparent that there is a need for a system for developing a chitosan G-poly(AA-Co-AN-Co-MAA) / GO composite hydrogel using microwave assisted synthesis in drug delivery systems that combines the advantages of terpolymer composites with efficient microwave fabrication techniques.SUMMARY OF THE INVENTIONThe present disclosure relates to a system for synthesizing hydrogels from chitosan-grafted copolymer and graphene oxide. The invention provides a microwave assisted synthesis system for preparing hydrogels of chitosan grafted copolymer and graphene oxide for drug delivery applications. The system integrates chitosan with acrylamide, acrylonitrile, methacrylic acid and graphene oxide under controlled microwave irradiation and nitrogen atmosphere to produce composite hydrogels with improved drug loading and release capabilities.The present disclosure is intended to provide a system for synthesizing hydrogels from chitosan-grafted copolymer / graphene oxide. The system comprises: a reaction vessel configured to contain a reaction mixture of chitosan, acrylamide, acrylonitrile, methacrylic acid, and graphene oxide; a nitrogen purge device configured to maintain an inert atmosphere in the reaction vessel; a mechanical agitation mechanism configured to provide uniform mixing of the reaction mixture; a microwave irradiation unit configured to initiate polymerization of the reaction mixture; a temperature control unit configured to control the temperature of the reaction mixture during synthesis; and a material processing unit configured to process the resulting hydrogel for drug administration application.The disclosure relates to providing a system for synthesizing chitosan-grafted copolymer / graphene oxide hydrogels.Another object of the present disclosure is to develop a controlled synthesis system for preparing composite hydrogels having optimized drug delivery properties using microwave irradiation.Another object of the present disclosure is to provide a system that ensures uniform integration of graphene oxide into the polymer matrix while allowing precise control over the reaction conditions.In order to further clarify the advantages and features of the present disclosure, a more detailed description of the invention will be given with reference to specific embodiments thereof illustrated in the accompanying drawings. It should be noted that this drawing illustrates only typical embodiments of the invention and is therefore not to be considered as limiting its scope. The invention will be described and explained with additional details and details with reference to the accompanying drawings.BRIEF DESCRIPTION OF THE FIGUREThese and other features, aspects, and advantages of the present disclosure will become more fully understood when the following detailed description is read with reference to the accompanying drawings, in which like characters represent like parts throughout. The following applies here: FIG. 1 shows a block diagram of a system for synthesizing chitosan-grafted copolymer / graphene oxide hydrogels according to an embodiment of the present disclosure.Moreover, those skilled in the art will appreciate that elements are shown in the drawing for simplicity and need not necessarily be drawn to scale. For example, the flowcharts illustrate the method using the major steps to improve understanding of aspects of the present disclosure. Moreover, with respect to the construction of the apparatus, one or more components of the apparatus may have been represented in the drawing by conventional symbols, and the drawing may only show the specific details relevant to understanding the embodiments of the present disclosure so as not to obscure the drawing with details readily apparent to those skilled in the art having the benefit of the description herein.DETAILED DESCRIPTION:In order to aid in the understanding of the principles of the invention, reference will now be made to the embodiment illustrated in the drawings and described in specific language. It is to be understood, however, that no limitation of the scope of the invention is intended, since such changes and further modifications to the illustrated system and such further applications of the principles of the invention as illustrated therein are contemplated, as would normally occur to one skilled in the art to which the invention pertains.It will be understood by those skilled in the art that the foregoing general description and the following detailed description are exemplary and explanatory of the invention and are not intended to be limiting thereof.References throughout this specification to "one aspect," "another aspect," or similar language mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. Thus, the appearances of the phrase "in one embodiment," "in another embodiment," and similar language in this specification may or may not all refer to the same embodiment.The terms "comprises," "comprising," or other variations thereof are intended to cover a non-exclusive inclusion, such that a process or method comprising a list of steps not only comprises those steps, but may also comprise other steps not expressly listed or inherent in such a process or method. Likewise, one or more devices or subsystems or elements or structures or components preceded by "comprises...a" do not exclude, without further limitations, the existence of other devices or other subsystems or other elements or other structures or other components or additional devices or additional subsystems or additional elements or additional structures or additional components.Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The system, methods, and examples provided herein are illustrative only and are not to be considered limiting.Embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.FIG. 1 shows a block diagram of a system for synthesizing chitosan-grafted copolymer / graphene oxide hydrogels according to an embodiment of the present disclosure.Referring to FIG. 1, the system (100) includes a reaction vessel (102) configured to contain a reaction mixture comprising chitosan, acrylamide, acrylonitrile, methacrylic acid, and graphene oxide; a nitrogen purge device (104) configured to maintain an inert atmosphere in the reaction vessel; a mechanical agitation mechanism (106) configured to provide uniform mixing of the reaction mixture; a microwave irradiation unit (108) configured to initiate polymerization of the reaction mixture; a temperature control unit (110) configured to control the temperature of the reaction mixture during synthesis; and a material processing unit (112) configured to process the resulting hydrogel for drug administration application.In one embodiment, the reaction vessel (102) further comprises: an input port (102a) for introducing reaction components; a temperature monitoring sensor (102b); a stirring shaft interface (102c); and a nitrogen gas inlet and outlet (102d), wherein the reaction vessel (102a) facilitates the reaction between acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO).In one embodiment, the mechanical agitation mechanism (106) operatively connected to the reaction vessel (102) comprises: a variable speed motor, a digital speed controller, and an agitation shaft configured for operation under nitrogen atmosphere conditions.In one embodiment, the material processing unit (112) includes: a wash chamber configured to remove unreacted monomers using an ethanol-water solution; a dry chamber configured to operate at a temperature of 40° C.; and a size reduction mechanism for final product processing.In one embodiment, the system (100) further comprises a drug loading module (114) configured to maintain controlled pH conditions, regulate temperature during drug loading, and monitor the drug loading capacity of the hydrogel, the drug loading module comprising: a pH monitoring system, an ultraviolet spectrophotometer, and a timed release measurement mechanism.In one embodiment, the microwave irradiation unit (108) is configured to: provide controlled radiation for a duration of 90 seconds, maintain uniform power distribution, and include safety locks for operation under a nitrogen atmosphere.In one embodiment, the system (100) further comprises a swelling measurement unit (116) configured to monitor hydrogel expansion properties, measure changes in weight over time, and calculate swelling ratios under various conditions.In one embodiment, the temperature controller (110) comprises: an ice bath mechanism for initial reaction control, a heating element for elevated temperature processing, and digital interfaces for temperature monitoring and control.In one embodiment, the system (100) is configured to synthesize a chitosan-based hydrogel integrated with acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO), wherein four different samples (HM, HM1, HM2, and HM3) of CHT-G-poly (AA-Co-AN-Co-MAA) / GO are synthesized by microwave irradiation under a nitrogen atmosphere.The present invention relates to a system for synthesizing a chitosan-based hydrogel integrated with acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO). The system is configured to combine the reactants in a controlled environment under a nitrogen atmosphere, wherein the reaction occurs in a reaction vessel of the system. The microwave irradiation unit of the proposed system initiates the polymerization while the mechanical agitation provides a uniform mixture. Temperature control systems provide optimum conditions throughout the synthesis process. The resulting hydrogel is washed and dried in special compartments prior to characterization and drug loading. The system monitors and monitors critical parameters throughout the process to ensure consistent product quality.In one embodiment, the synthesis of graphene oxide is first carried out, wherein the system is configured such that graphene oxide is produced by oxidation of graphite. The graphene oxide synthesis system comprises a 250 ml reaction flask which serves as the main vessel for the combination of sulfuric acid (H 2 SO 4) and sodium nitrate (NaNO 3). The flask was placed in an ice bath to maintain a low temperature environment. A mechanical stirrer was used to ensure continuous mixing of the reactants. After the first combination, an exact amount of 1.0 g of graphite powder was carefully introduced into the system together with potassium permanganate (KMnO 4). The reaction vessel was equipped with a temperature control mechanism to maintain the system at a temperature below 5°C. The reaction mixture was incubated under these conditions for two hours to allow the components to interact effectively under controlled cooling. After the first incubation phase, the temperature of the system was gradually increased to 35°C and maintained at this level for four hours. The temperature control unit provided stability throughout this process phase. Subsequently, 46 ml of deionized water were introduced into the reaction chamber in a controlled manner. This addition resulted in a temperature rise of the system to 95°C. The system was maintained at this elevated temperature for an additional 30 minutes. After completion of the high temperature reaction phase, the temperature of the system was lowered to 40° C. Subsequently, a controlled addition of 60 ml of deionized water was effected. Subsequently, 5 ml of a 30% hydrogen peroxide solution (H 2 O 2) was introduced into the system, resulting in a visible colour transition of the suspension from dark brown to yellow, indicating a chemical conversion within the reaction medium. The processed solution was centrifuged. A centrifugation apparatus was used to effectively separate solid residues from the liquid phase. The solid product was then washed with a 5% hydrochloric acid solution (HCl) which facilitated removal of metal ion impurities from the material. After this cleaning step, the material was thoroughly rinsed with distilled water to remove any remaining acidic contaminants. At the end of the process, the graphene oxide (GO) obtained was transferred to a drying plant and dehydrated in an oven. Controlled heating in the oven provided for complete removal of residual moisture so that the final product was obtained in its purified form.A system for synthesizing hydrogels from chitosan-grafted copolymer / graphene oxide (CHT-G-poly(AA-Co-AN-Co-MAA) / GO) is built around several key components that cooperate to facilitate the preparation and processing of the nanocomposite hydrogel. The system comprises a reaction vessel which serves as a main vessel for the reaction mixture. This vessel is equipped with an inlet port for introducing the reaction components, including acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO). The reaction vessel also houses a temperature monitoring sensor, a stirring shaft interface, and a nitrogen gas inlet and outlet. These features ensure that the reaction is carried out in a controlled inert atmosphere which is critical to the polymerization process. The nitrogen purge maintains the required nitrogen atmosphere and ensures the integrity of the reaction by preventing unwanted oxidation.The mechanical stirring mechanism operatively connected to the reaction vessel is equipped with a variable speed motor, a digital speed controller, and a stirring shaft. This system allows uniform mixing of the reaction mixture and ensures uniform stirring throughout the polymerization process, especially under a nitrogen atmosphere. The stirring mechanism works in tandem with a temperature control unit which controls the temperature of the reaction mixture to optimize the polymerization environment. This unit includes an ice bath mechanism for initial reaction control and a heating element for maintaining elevated temperatures during the process with digital temperature monitoring and control interfaces.To activate the polymerization, a microwave irradiation unit is integrated in the system. This unit provides controlled microwave radiation for a fixed period of 90 seconds with uniform power distribution and safety locks designed for operation under a nitrogen atmosphere. Microwave irradiation aids in the final stages of the polymerization and ensures the formation of the nanocomposite hydrogel. Once the polymerization is complete, the material processing unit comes into play. This unit is designed for processing the resulting hydrogel for potential applications such as drug administration. It consists of a wash chamber in which unreacted monomers are removed using an ethanol-water solution, followed by a dry chamber operated at 40°C to dry the hydrogel. Additionally, a size reduction mechanism is included to complete the hydrogel product.To improve functionality, the system may include a drug loading module that maintains controlled pH conditions, adjusts temperature during drug loading, and monitors the drug loading capacity of the hydrogel. The drug loading module integrates a pH monitoring system, an ultraviolet spectrophotometer, and a timed release measurement mechanism for evaluating drug release profiles. The system is also equipped with a swelling measurement unit which monitors the expansion properties of the hydrogel. This unit measures changes in weight over time and calculates swelling ratios under different conditions, thus providing important data for evaluating the performance of the hydrogel in drug delivery applications. The overall design of the system allows synthesis of four different samples (HM, HM1, HM2 and HM3) of CHT-G poly(AA-Co-AN-Co-MAA) / GO hydrogels. These samples are prepared by microwave irradiation under controlled nitrogen atmosphere conditions, thereby ensuring consistency and reliability of the final hydrogel product.A nanocomposite hydrogel was obtained by a series of chemical interactions of several components. First, a monomer solution was prepared by dissolving 2 grams of acrylic acid (AA) in 10 milliliters of double distilled water to ensure complete dissolution. A separate, high concentration solution was then prepared containing 1 gram of acrylonitrile (AN) and 1 gram of methacrylic acid (MAA). This solution was then added to the previously prepared acrylic acid solution (AA) and the combination was vigorously mechanically stirred to achieve thorough mixing. To further modify the solution, a chitosan-containing mixture was prepared by combining 10 milliliters of a 10% acetic acid solution with the monomer mixture. The entire system was continuously stirred for 20 minutes to ensure uniform dispersion of the chitosan.Simultaneously, graphene oxide (GO) was dispersed separately by dissolving 10 milligrams in 10 milliliters of ethanol to form a stable suspension. This graphene oxide dispersion was carefully added dropwise to the primary solution to prevent aggregation while ensuring homogeneity. After the graphene oxide was incorporated, additional components were separately prepared. A polymerization initiator, KPS, was weighed at 0.15 gram and dissolved in 5 milliliters of double distilled water. At the same time, the crosslinking agent MBA was prepared in the same manner using 0.15 gram of the compound in 5 milliliters of double distilled water. These prepared solutions were then added sequentially to the primary solution with continuous mechanical agitation to promote uniform distribution of the reactants.After all the components were added completely, the reaction mixture was continuously stirred mechanically under a nitrogen atmosphere for 30 minutes to ensure that there was no oxygen present which could interfere with the polymerization process. After this step, the prepared mixture was exposed to a conventional microwave oven for 90 seconds to facilitate the formation of the nanocomposite hydrogel. The hydrogel obtained after this treatment showed elasticity and was washed thoroughly with a mixture of ethanol and water to ensure that all unreacted monomers and chitosan residues were removed. The cleaning step was followed by a drying process in which the hydrogel was placed in an oven temperature controlled to 40°C to allow complete solvent evaporation while preserving the structural integrity of the material.Several hydrogel samples were prepared, with graphene oxide concentration varying between 20 and 40 milligrams. Analytical techniques evaluated the structural, chemical and mechanical properties of the synthesized materials. In addition, a control sample without graphene oxide was prepared to provide a comparative scale for evaluating the effects of graphene oxide incorporation on the properties of the hydrogel.The proposed system includes a variety of sophisticated instruments to enable precise analyses and characterizations. The analytical balance (model JA.500 USA) was used for accurate mass measurements. A microwave oven (MWO ENR 20 XM13) was used for specific heat treatments, while a magnetic stirrer provided uniform mixing of the solutions. Fourier transform infrared spectroscopy (FTIR Varian 640-IR USA) was used for structural characterization and scanning electron microscopy (SEM, TESKAN MALA3, Czech Republic) provided detailed morphological analysis. An ultraviolet spectrophotometer (SP-V 5000 USA) allowed spectroscopic measurements, and an energy dispersive spectrometer with integrated X-ray diffraction technology (EDX XRD, Denver CO, USA) facilitated element and crystal phase analysis.The proposed system comprises a swelling measuring unit configured to determine the swelling ratio. First, minute fragments of composite hydrogels were weighed to determine their dry mass. Each strip was then immersed in distilled water at room temperature for 48 hours. After the indicated time period had elapsed, the swollen hydrogel strips were removed and carefully blotted with tissue paper to remove excess moisture. The wet weight of each sample was then recorded. The swelling ratio was calculated from the following formula:Swelling ratio = (W2 - W1) / W1, where W1 represents the initial dry weight of the composite material and W2 denotes the weight after swelling.The system includes a drug loading module configured for drug loading and release studies. Hydrogel samples HM, HM1, HM2 and HM3 were used. A stock solution of ciprofloxacin (100 ppm) was prepared, followed by the establishment of dilution standards having concentrations ranging from 10 to 40 ppm. Each hydrogel sample (0.05 g) was separately placed in 100 ml of drug solution at different concentrations. The mixtures were stored at room temperature for 24 hours with constant shaking. Absorption measurements were carried out with the aid of a UV-visible spectrophotometer and the medicament content was determined accordingly. Optimization of drug loading involved evaluation of various concentrations, time intervals and pH values. Drug release studies were performed in phosphate buffered saline at 37°C to investigate the drug release potential of the nanocomposite hydrogels. Drug loaded hydrogel samples were immersed in 20 ml buffer solution for 24 hours. At fixed intervals of 30, 60, 90 and 120 minutes, 2 ml samples were taken for UV spectrophotometric analysis to determine drug concentration.In one embodiment, the adsorption data obtained from the experiments were analyzed using the Kind and Langmuir isotherm models. In addition, the adsorption kinetics were analyzed using pseudo first order (PFO) and pseudo second order (PSO) models.The system used for graphene oxide consisted of a reaction vessel containing a reaction mixture of chitosan, acrylamide, acrylonitrile, methacrylic acid and graphene oxide. A nitrogen purge device maintained an inert atmosphere in the vessel, thus providing controlled reaction conditions. Uniform mixing was achieved by a mechanical stirring mechanism while polymerization was initiated by microwave irradiation. A temperature control unit controlled the reaction conditions and a material processing unit facilitated post treatment of the hydrogel for drug delivery applications.The reaction vessel had an input port for introducing the reaction components, a temperature monitoring sensor, a stirring shaft interface, and a nitrogen gas inlet and outlet. These components allowed the reaction between acrylamide, acrylonitrile, methacrylic acid and graphene oxide. The mechanical stirring mechanism included a variable speed motor, a digital speed controller, and a stirring shaft configured for operation under nitrogen conditions. The material processing unit included a wash chamber for removing unreacted monomers using an ethanol-water solution, a dry chamber maintained at 40° C., and a size reduction mechanism for end product processing.A particular drug loading module allowed for controlled pH conditions, temperature regulation and monitoring of drug loading capacity. This module contained a pH monitoring system, an ultraviolet spectrophotometer, and a timed release measurement mechanism. Microwave irradiation was accurately controlled with the exposure set at 90 seconds, ensuring uniform power distribution and including safety locks for operation under nitrogen atmosphere.The swelling properties of the hydrogel were monitored using a swelling measurement unit which monitored the expansion and weight change over time and calculated swelling ratios under various conditions. The temperature control unit included an ice bath for initial reaction stabilization, a heating element for elevated temperature processing, and digital monitoring interfaces.The synthesis process yielded four different hydrogel samples: HM, HM1, HM2, and HM3, consisting of chitosan-based copolymers integrated with acrylamide, acrylonitrile, methacrylic acid, and graphene oxide. These hydrogels were synthesized under microwave irradiation in a nitrogen atmosphere, creating a nanocomposite hydrogel system optimized for drug delivery applications.Characterization was by Fourier Transform Infrared Spectroscopy (FTIR). Scanning electron microscopy, energy dispersive x-ray analysis, x-ray diffraction analysis, and FTIR analysis identify primary functional groups at 3300 cm -1( OH) group, 2900 cm -1( CH stretching), 1700 cm -1( carbonyl group), and 1550 cm -1( NH group). Diffraction peaks at 2-theta (degrees) 20, 23°, 30°, and 33° confirmed the integration of graphene oxide. Swelling study shows considerable expansion capacity. Drug loading and release were optimized at 180 min and pH 4 to achieve maximum loadings of 129.9 mg / g (HM), 135.0 mg / g (HM1), 144.0 mg / g (HM2), and 149.9 mg / g (HM3). The release rate within 24 hours was 88% for HM, 80% for HM1, 75% for HM2, and 70% for HM3, indicating a controlled release potential for all samples.The characterization results showed that the CHT-G poly (AA-Co-AN-Co-MAA) / GO nanocomposite hydrogel prepared by a microwave assisted technique had heterogeneous surfaces and crystalline properties due to the inclusion of graphene oxide (GO), in contrast to the amorphous nature of the control group. Advanced characterization techniques, including FTIR, SEM, EDX, and XRD, confirmed the incorporation of various functional groups and GO, thereby improving the suitability of the hydrogel for drug delivery applications. Loading with ciprofloxacin was optimized at pH 4 using PSO kinetics and LIF model, indicating chemisorption as the predominant loading mechanism. Release studies at pH 7.4 under UV light demonstrated efficient drug release, with the hydrogel sample releasing 75% and 84% of the drug within 24 hours, respectively. These results emphasize the potential of these nanocomposite hydrogels in targeted drug delivery systems, particularly in biomedical applications where controlled release is critical.The drawings and the foregoing description provide examples of embodiments. Those skilled in the art will appreciate that one or more of the described elements may well be combined into a single functional element. Alternatively, certain elements may be divided into multiple functional elements. Elements from one embodiment may be added to another embodiment. For example, orders of the processes described herein may be changed and are not limited to the manner described herein. Moreover, the actions of any flow chart need not be implemented in the order shown; nor do all actions necessarily need to be performed. Also, those actions that are not dependent on other actions may be performed in parallel with the other actions. The scope of the embodiments is in no way limited by these specific examples. Numerous variations, whether or not explicitly stated in the specification, such as differences in structure, dimension, and material usage, are possible. The scope of the embodiments is at least as broad as recited in the following claims.Advantages, other advantages, and solutions to problems have been described above with respect to certain embodiments. However, the advantages, benefits, solutions to problems, and any components that may result in an advantage, solution occurring or becoming clearer are not to be construed as a critical, required, or essential feature or component of any or all claims.REFERENCES100 The system comprises a reaction vessel. 102 Reaction vessel 102 aInput port 102 bTemperature monitoring sensor 102 c Rühr shaft interface 102 d Stickstoffgas gas inlet and outlet 104 Nitrogen purging device 106 Mechanical agitator 108 Microwave irradiation unit 110 Temperature controller 112 Material processing unit 114 Medicine charging module 116 Swellometer

Claims

A system for synthesizing chitosan-grafted copolymer / graphene oxide hydrogels comprising: a reaction vessel configured to contain a reaction mixture comprising chitosan, acrylamide, acrylonitrile, methacrylic acid, and graphene oxide; a nitrogen purge device configured to maintain an inert atmosphere in the reaction vessel; a mechanical stirring mechanism that provides uniform mixing of the reaction mixture; a microwave irradiation unit configured to initiate polymerization of the reaction mixture; a temperature control unit configured to control the temperature of the reaction mixture during the synthesis; and a material processing unit configured to process the resulting hydrogel for application for drug administration.The system of claim 1, wherein the reaction vessel further comprises: an input port for introducing reactants; a temperature monitoring sensor; a stirring shaft interface; and a nitrogen gas inlet and outlet, wherein the reaction vessel facilitates the reaction between acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO).The system of claim 1, wherein the mechanical agitation mechanism operatively connected to the reaction vessel comprises: a variable speed motor, a digital speed controller, and an agitation shaft configured for operation under nitrogen atmosphere conditions.The system of claim 1, wherein the material processing unit comprises: a wash chamber configured to remove unreacted monomers using an ethanol-water solution; a dry chamber configured to operate at a temperature of 40°C; and a size reduction mechanism for final product processing.The system of claim 1, further comprising a drug loading module configured to maintain controlled pH conditions, regulate temperature during drug loading, and monitor the drug loading capacity of the hydrogel, wherein the drug loading module comprises: a pH monitoring system, an ultraviolet spectrophotometer, and a timed release measurement mechanism.The system of claim 1, wherein the microwave irradiation unit is configured to: provide controlled radiation for a duration of 90 seconds, maintain a uniform power distribution, and include safety locks for operation under a nitrogen atmosphere.The system of claim 1, further comprising a swelling measurement unit configured to monitor the expansion properties of the hydrogel, measure the change in weight over time, and calculate the swelling ratio under different conditions.The system of claim 1, wherein the temperature control unit comprises: an ice bath mechanism for initial reaction control, a heating element for elevated temperature processing, and digital interfaces for temperature monitoring and control.The system of claim 1, wherein the system is configured to synthesize a chitosan-based hydrogel integrated with acrylamide (AA), acrylonitrile (AN), methacrylic acid (MAA), and graphene oxide (GO), wherein four different samples (HM, HM1, HM2, and HM3) of CHT-G-poly (AA-Co-AN-Co-MAA) / GO are synthesized by microwave irradiation under a nitrogen atmosphere.

Images