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The rapid rise of antibiotic resistance has become a global health crisis, necessitating the development of innovative strategies to combat multidrug-resistant (MDR) pathogens. Nanomaterials have emerged as promising tools in this fight, offering unique physicochemical properties that enhance antibiotic efficacy, overcome resistance mechanisms, and provide alternative therapeutic approaches. This review explores the diverse nanomaterial-based strategies used to combat antibiotic resistance, focusing on their mechanisms of action and practical applications. Nanomaterials such as metal nanoparticles, carbon-based nanomaterials, and polymeric nanostructures exhibit antibacterial properties through various pathways, including the generation of reactive oxygen species (ROS), disruption of bacterial membranes, and enhancement of antibiotic delivery. Additionally, the ability of nanomaterials to bypass traditional resistance mechanisms, such as biofilm formation and efflux pumps, has been demonstrated in numerous studies. This review also discusses the synergistic effects observed when nanomaterials are combined with conventional antibiotics, leading to increased bacterial susceptibility and reduced required dosages. By highlighting the recent advancements and clinical applications of nanomaterial–antibiotic combinations, this paper provides a comprehensive overview of how nanomaterials are reshaping the future of antibacterial therapies. Future research directions and challenges, including toxicity and scalability, are also addressed to guide the development of safer, more effective nanomaterial-based antibacterial treatments.

Autoimmune diseases present complex therapeutic challenges due to their chronic nature, systemic impact, and requirement for precise immunomodulation to avoid adverse side effects. Recent advancements in biodegradable and stimuli-responsive nanomaterials have opened new avenues for targeted drug delivery systems capable of addressing these challenges. This review provides a comprehensive analysis of state-of-the-art biodegradable nanocarriers such as polymeric nanoparticles, liposomes, and hydrogels engineered for targeted delivery in autoimmune therapies. These nanomaterials are designed to degrade safely in the body while releasing therapeutic agents in response to specific stimuli, including pH, temperature, redox conditions, and enzymatic activity. By achieving localized and controlled release of anti-inflammatory and immunosuppressive agents, these systems minimize systemic toxicity and enhance therapeutic efficacy. We discuss the underlying mechanisms of stimuli-responsive nanomaterials, recent applications in treating diseases such as rheumatoid arthritis, multiple sclerosis, and inflammatory bowel disease, and the design considerations essential for clinical translation. Additionally, we address current challenges, including biocompatibility, scalability, and regulatory hurdles, as well as future directions for integrating advanced nanotechnology with personalized medicine in autoimmune treatment. This review highlights the transformative potential of biodegradable and stimuli-responsive nanomaterials, presenting them as a promising strategy to advance precision medicine and improve patient outcomes in autoimmune disease management.

Hydrothermal treatment of a mixture of ethylene diamine, phosphoric acid and citric acid under ambient pressure generates fluorescent carbon dots that are co-doped with phosphorus and nitrogen. These have features such as (a) both green fluorescence (peaking at 430 nm; 30% quantum yield) and red fluorescence (peaking at 500 nm, quantum yield 78%), (b) wavelength-dependent emission peaks, and (c) insensitivity to changes of pH values, dot concentration and ionic strength. The C-dots are useful for both fluorescent (FL) and photoacoustic (PA) imaging of living tissue. PA imaging warrants better spatial resolution and allows deeper tissues to be imaged compared to most optical imaging techniques. It is essential to assign a photoacoustic contrast agent as most of the diseases do not show a natural photoacoustic contrast in their early stage. The dually emitting C-dots are shown to be a useful contrast agent for PA and FL imaging of mice tumors. Intravenous administration of the C-dots resulted in strong signals in both PA and FL imaging. Graphical abstract Photographs of the excitation wavelength-dependent fluorescence of P,N-doped C-dots obtained from ethylenediamine, phosphoric acid and citric acid. Intravenous administration of the C-dots resulted in strong signals in both photoacoustic (PA) and fluorescent (FL) imaging.

Multimodal artificial intelligence (AI) is driving a paradigm shift in modern biomedicine by seamlessly integrating heterogeneous data sources such as medical imaging, genomic information, and electronic health records. This review explores the transformative impact of multimodal AI across three pivotal areas: biomaterials science, medical diagnostics, and personalized medicine. In the realm of biomaterials, AI facilitates the design of patient-specific solutions tailored for tissue engineering, drug delivery, and regenerative therapies. Advanced tools like AlphaFold have significantly improved protein structure prediction, enabling the creation of biomaterials with enhanced biological compatibility. In diagnostics, AI systems synthesize multimodal inputs combining imaging, molecular markers, and clinical data—to improve diagnostic precision and support early disease detection. For precision medicine, AI integrates data from wearable technologies, continuous monitoring systems, and individualized health profiles to inform targeted therapeutic strategies. Despite its promise, the integration of AI into clinical practice presents challenges such as ensuring data security, meeting regulatory standards, and promoting algorithmic transparency. Addressing ethical issues including bias and equitable access remains critical. Nonetheless, the convergence of AI and biotechnology continues to shape a future where healthcare is more predictive, personalized, and responsive.

The COVID-19 pandemic has significantly accelerated progress in RNA-based therapeutics, particularly through the successful development and global rollout of mRNA vaccines. This review delves into the transformative impact of the pandemic on RNA therapeutics, with a strong focus on lipid nanoparticles (LNPs) as a pivotal delivery platform. LNPs have proven to be critical in enhancing the stability, bioavailability, and targeted delivery of mRNA, facilitating the unprecedented success of vaccines like those developed by Pfizer-BioNTech and Moderna. Beyond vaccines, LNP technology is being explored for broader therapeutic applications, including treatments for cancer, rare genetic disorders, and infectious diseases. This review also discusses emerging RNA delivery systems, such as polymeric nanoparticles and viral vectors, which offer alternative strategies to overcome existing challenges related to stability, immune responses, and tissue-specific targeting. Additionally, we examine the pandemic’s influence on regulatory processes, including the fast-tracked approvals for RNA therapies, and the surge in research funding that has spurred further innovation in the field. Public acceptance of RNA-based treatments has also grown, laying the groundwork for future developments in personalized medicine. By providing an in-depth analysis of these advancements, this review highlights the long-term impact of COVID-19 on the evolution of RNA therapeutics and the future of precision drug delivery technologies.

The rapid evolution of micro- and nano-architectures is revolutionizing biomedical engineering, particularly in the fields of therapeutic and diagnostic micromechanics. This review explores the recent innovations in micro- and nanostructured materials and their transformative impact on healthcare applications, ranging from drug delivery and tissue engineering to biosensing and diagnostics. Key advances in fabrication techniques, such as lithography, 3D printing, and self-assembly, have enabled unprecedented control over material properties and functionalities at microscopic scales. These engineered architectures offer enhanced precision in targeting and controlled release in drug delivery, foster cellular interactions in tissue engineering, and improve sensitivity and specificity in diagnostic devices. We examine critical design parameters, including biocompatibility, mechanical resilience, and scalability, which influence their clinical efficacy and long-term stability. This review also highlights the translational potential and current limitations in bringing these materials from the laboratory research to practical applications. By providing a comprehensive overview of the current trends, challenges, and future perspectives, this article aims to inform and inspire further development in micro- and nano-architectures that hold promise for advancing personalized and precision medicine.

Carbon nanotubes (CNTs) have emerged as pivotal nanomaterials in sensing technologies owing to their unique structural, electrical, and mechanical properties. Their high aspect ratio, exceptional surface area, excellent electrical conductivity, and chemical tunability enable superior sensitivity and rapid response in various sensor platforms. This review presents a comprehensive overview of recent advancements in CNT-based sensors, encompassing both single-walled (SWCNTs) and multi-walled carbon nanotubes (MWCNTs). We discuss their functional roles in diverse sensing applications, including gas sensing, chemical detection, biosensing, and pressure/strain monitoring. Particular emphasis is placed on the mechanisms of sensing, such as changes in electrical conductivity, surface adsorption phenomena, molecular recognition, and piezoresistive effects. Furthermore, we explore strategies for enhancing sensitivity and selectivity through surface functionalization, hybrid material integration, and nanostructuring. The manuscript also covers the challenges of reproducibility, selectivity, and scalability that hinder commercial deployment. In addition, emerging directions such as flexible and wearable CNT-based sensors, and their role in real-time environmental, biomedical, and structural health monitoring systems, are critically analyzed. By outlining both current progress and existing limitations, this review underscores the transformative potential of CNTs in the design of next-generation sensing technologies across interdisciplinary domains.

The integration of smart nanomaterials into pharmaceutics has transformed approaches to disease diagnosis, targeted therapy, and tissue regeneration. These nanoscale materials exhibit unique features such as controlled responsiveness, biocompatibility, and precise site-specific action, offering new possibilities for personalized healthcare. This review provides a comprehensive overview of recent advances in the design and application of functional nanomaterials, including nanoparticle-based drug carriers, responsive hydrogels, and nanostructured scaffolds. Special focus is placed on stimuli-triggered systems that achieve controlled drug release and localized therapeutic effects. In addition, the review explores how these materials enhance diagnostic imaging and support tissue regeneration through adaptive and multifunctional designs. Importantly, this work uniquely integrates stimuli-responsive nanomaterials across therapeutic, imaging, and regenerative domains, providing a unified view of their biomedical potential. The challenges of clinical translation, large-scale synthesis, and regulatory approval are critically analyzed to outline future directions for research and real-world implementation. Overall, this review highlights the pivotal role of smart nanomaterials in advancing modern pharmaceutics toward more effective and patient-centered therapies.

Fluorescent nanoprobes operating in the NIR-II window have gained considerable attention for biomedical imaging because of their deep-tissue penetration, reduced scattering, and high spatial resolution. Their tunable optical behavior, flexible surface chemistry, and capacity for multifunctional design enable sensitive detection and targeted visualization of biological structures in vivo. This review highlights recent advances in the design and optical engineering of four widely studied NIR-II nanoprobe families: quantum dots, carbon dots, upconversion nanoparticles, and dye-doped silica nanoparticles. These materials were selected because they offer well-defined architectures, controllable emission properties, and substantial mechanistic insight supporting discussions of imaging performance and translational potential. Particular focus is placed on emerging strategies for activatable, targeted, and ratiometric probe construction. Recent efforts addressing biosafety, large-scale synthesis, optical stability, and early preclinical validation are also summarized to clarify the current progress and remaining challenges that influence clinical readiness. By outlining these developments, this review provides an updated and focused perspective on how engineered NIR-II nanoprobes are advancing toward practical use in biomedical imaging and precision diagnostics.

In the original publication [...]