The rapid and sensitive determination of pathogenic bacteria is extremely important in biotechnology, medical diagnosis, and the current fight against bioterrorism. Current methods either lack ultrasensitivity or take a long time for analysis. Here, we report a bioconjugated nanoparticle-based bioassay for in situ pathogen quantification down to single bacterium within 20 min. The bioconjugated...

To create silver nanoparticles, researchers use bionanotechnology techniques because they are economical and environmentally friendly. The current study shows that lemon juice (Citrus-limon) can be used to biosynthesize nanoparticles (Ag NPs). synthesized have been characterized by the surface plasmon resonance (SPR) measured at λmax = 430 nm, confirming formation of AgNPs. Moreover, Fourier Tr...

The utilization of scaffolds for enzyme immobilization involves advanced bionanotechnology applications in biorefinery fields, which can be achieved by optimizing the function of various enzymes. This review presents various current scaffolding techniques based on proteins, microbes and nanomaterials for enzyme immobilization, as well as the impact of these techniques on the biorefinery of lign...

Understanding the effect of variability in the interaction of individual cells with nanoparticles on the overall response of the cell population to a nanoagent is a fundamental challenge in bionanotechnology. Here, we show that the technique of time-resolved, high-throughput microscopy can be used in this endeavor. Mass measurement with single-cell resolution provides statistically robust asses...

The investigation of new DNA-based materials is an emerging area in material science as well as in physics, biosensorics, biotechnology, bionanotechnology. This review shows the state of the art in the fundamental studies of liquid crystals and liquid-crystalline dispersions of DNA molecules obtained as a result of their phase exclusion from water-salt polymer-containing solutions. The results ...

Nature uses bottom-up approaches for the controlled assembly of highly ordered hierarchical structures with defined functionality, such as organelles, molecular motors, and transmembrane pumps. The field of bionanotechnology draws inspiration from nature by utilizing biomolecular building blocks such as DNA, proteins, and lipids, for the (self-) assembly of new structures for applications in bi...

Carbon nanotubes (CNTs) are allotropes of carbon, made of graphite and constructed in cylindrical tubes with nanometer in diameter and several millimeters in length. Their impressive structural, mechanical, and electronic properties are due to their small size and mass, their strong mechanical potency, and their high electrical and thermal conductivity. CNTs have been successfully applied in ph...

Molecular sensors and molecular electronics are a major component of a recent research area known as bionanotechnology, which merges biology with nanotechnology. This new class of biosensors and bioelectronics has been a subject of intense research over the past decade and has found application in a wide variety of fields. The unique characteristics of these biomolecular transduction systems ha...

Hybrid micro-/nanogels are playing an increasing important part in a diverse range of applications, due to their tunable dimensions, large surface area, stable interior network structure, and a very short response time. We review recent advances and challenges in the developments of hybrid micro-/nanogels toward applications for optical sensing of pH, temperature, glucose, ions, and other speci...

Fabrication of precisely designed active biomaterials is of great interest in many areas of bionanotechnology including regenerative medicine, drug screening, and biosensors. Microand nanometre scale defined patterns have been developed which can control the spacing and density of signaling molecules through top-down microfabrication approaches, such as photolithography, e-beam lithography, and...