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Recent advances of Au@Ag core–shell SERS-based biosensors

Bimetallic alloy Au–Ag surface-enhanced Raman scattering (SERS) biosensors exhibit ultrahigh SERS sensitivity. Au–Ag SERS-based biosensors have been utilized in biological components detection, including; proteins, antigens antibodies complex, circulating tumor cells, DNA, and RNA (miRNA), etc. Abstract: The methodological advancements in surface-enhanced Raman scattering (SERS) technique with nanoscale materials based on noble metals, Au, Ag, and …

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Recent advances in targeted antibacterial therapy basing on nanomaterials

To address the challenge of antibiotic-resistant bacteria, nanomaterials-mediated targeted bacteria depletion in either a passive or active manner has emerged as one of the most promising approaches for antibacterial treatment. In this review, we summarize the recent development in the field of targeted antibacterial therapy based on nanomaterials, which show advantages in increasing local concentration …

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Revolving ATPase motors as asymmetrical hexamers in translocating lengthy dsDNA via conformational changes and electrostatic interactions in phi29, T7, herpesvirus, mimivirus, E. coli, and Streptomyces

The revolving DNA motors of ATPase have been found in viruses (phi29, T7, herpesvirus, and mimivirus) and bacteria (E. coli and Streptomyces). The motors made of asymmetrical 6 subunits translocate lengthy double-stranded (ds)DNA. The dsDNA is moved in a circular motion around the inner surface of the motor channel subunits. The translocation involves conformational changes and electrostatic interactions …

Revolving ATPase motors as asymmetrical hexamers in translocating lengthy dsDNA via conformational changes and electrostatic interactions in phi29, T7, herpesvirus, mimivirus, E. coli, and Streptomyces Read More »

Recent advances in two-dimensional materials for hydrovoltaic energy technology

Hydrovoltaic energy technology that generates electricity directly from the interaction of materials with water has been regarded as a promising renewable energy harvesting method. This review summarizes the most recent advances of 2D materials for hydrovoltaic electricity generation, including carbon nanosheets, layered double hydroxide, and layered transition metal oxides and sulfides. Perspectives toward the future …

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Microneedle system for tissue engineering and regenerative medicine

In this review, we have summarized the state-of-the-art microneedles for tissue engineering and regenerative medicine, from their classifications and rational design, to the representative applications involving maintenance and rehabilitation of damaged tissues and organs, and the in-depth insight into their current challenges and future directions. Abstract: Global increasing demand for high life quality and length …

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Graphene: Preparation, tailoring, and modification

Graphene is a key material for a new generation of electronic devices with unique electrical properties. In this review, current advances in the preparation, tailoring, and modification of graphene to obtain high-quality graphene with precisely controlled patterning and specific functional groups are summarized. Abstract: Graphene is a 2D material with fruitful electrical properties, which can …

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Ultrasmall iron-gallic acid coordination polymer nanodots with antioxidative neuroprotection for PET/MR imaging-guided ischemia stroke therapy

Oxidative stress from reactive oxygen species (ROS) is a reperfusion injury factor that can lead to cell damage and death. Ultrasmall Fe-GA CPNs were synthesized to exert a protective role in ischemic brain neurons via removal of ROS, rescuing of glucose metabolism, and suppressing apoptosis through the upregulation of protein kinase B (Akt), antioxidant nuclear …

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Molten salt electro-preparation of graphitic carbons

This review shows that CO2 gas or biomass-derived carbons could be utilized as raw precursors for the preparation of graphitic carbons via a molten salt electrochemical route. In this review, we discuss the factors that affect the graphitization, the costs of the processes, and the challenges that need to be tackled. The molten salt approach has …

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Advancement in COVID-19 detection using nanomaterial-based biosensors

Interdisciplinary advances in nanomaterials and biotechnology, such as nanomaterials-based biosensors, have opened new avenues for rapid and ultrasensitive detection of pathogens in the field of healthcare. Many updated nanomaterials-based biosensors, namely electrochemical, field-effect transistor, plasmonic, and colorimetric biosensors, employ nucleic acid and antigen–antibody interactions for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) detection in a …

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Advanced strategies to evade the mononuclear phagocyte system clearance of nanomaterials

Mphagocyticononuclear system (MPS) is one of the major obstacles that impede the accumulation of nanomaterials at their target sites. This Review summarizes the advanced strategies for evading the MPS clearance of nanomaterials, and discusses the challenges and opportunities in this field. Abstract: Nanomaterials are promising carriers to improve the bioavailability and therapeutic efficiency of drugs …

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