Topological variety of robust networks from nanofibrils enables the formation strong and tough particle constructs ubiquitously.

The iridescence displayed by films made from cellulose nanocrystals (CNCs) has long been the subject of fundamental research. This expanded our understanding colloidal self-assembly towards development advanced materials. However, application such findings is less reported for visual designs that exploit structural color. Aesthetic outputs are already in reach, but requires input trend setters design and art industries. In this realm, CNC-based uniquely offers broadband, multi-colored...

Abstract In biological architectures, material properties are optimized by the hierarchical structuring of components with a multiscaled order, from nano‐ to macroscales. Such designs enable, for instance, programmed yield points that maximize toughness. However, research efforts in biomimetic materials have focused on assembly or macrostructures individually. this study, high strength cellulose nanocrystals (CNCs), assembled into chiral‐nematically ordered structures, tiled higher level,...

The complex nature of typical colloids and corresponding interparticle interactions pose a challenge in understanding their self-assembly. This specifically applies to biological nanoparticles, such as those obtained from chitin, which typically are hierarchical multidimensional. In this study, we obtain chitin nanocrystals by one-step heterogeneous acid hydrolysis never-dried crab residues. Partial deacetylation facilitates control over the balance electrostatic charges (ζ-potential range...

Biocides are essential for crop protection, packaging and several other biosystem applications. Therein, properties such as tailored controlled release paramount in the development of sustainable biocide delivery systems. We explore self-similar nano-organized architecture biogenic silica particles to achieve high payload. The surface area accessibility carrier allowed us develop an efficient, low energy loading strategy, reaching significant dynamic loadings up 100 mg·g-1. rate...

Abstract Hierarchically structured materials comprising rod‐like, chiral, nanoparticles are commonly encountered in nature as they can form assemblies with exceptional optical and mechanical characteristics. These include cellulose nanocrystals (CNCs), which have a large potential for the fabrication of bioinspired mimicking those advanced properties. Fine‐tuning optomechanical properties obtained from CNCs hinges on transformations suspensions liquid crystals to long‐range order dry state....

Thermal insulation and fire protection are two of the most critical features affecting energy efficiency safety in built environments. Together with associated environmental footprint, there is a strong need to consider new materials. Tannin rigid foams have been proposed as viable sustainable alternatives expanded polyurethanes, traditionally used building enveloping. structure result from polymerization furfuryl alcohol via self-expanding. We further introduce cellulose nanofibrils (CNFs)...

Nanofibrils are known to improve the cohesion of supraparticle (SP) assemblies. However, tailoring morphology SPs using nanofibrillar additives is not well developed. Herein, β-lactoglobulin amyloid nanofibrils (ANFs) investigated as means impart morphological control over assembly process spray-dried composed 10-100 nm silica nanoparticles (SiNPs). Phytoglycogen (PG) and silver nanowires (AgNWs) used assess influence building block softness aspect ratio, respectively. The results...

The properties and application of particulate systems can be tailored by gaining control on their morphology. Here, a facile method is described for the bottom-up synthesis biobased colloidal particles with varied morphologies simple aqueous oxidation tannic acid used as precursor in alkaline solutions. Initial concentrations 1–2 wt % produce largest crystalline yields, while total precipitate yields (up to 64%) are achieved at 2 %. Structural thermochemical evaluations reported from...

We fabricated porous particles incorporating sugars (mannitol, sucrose, or dextran) and fenofibrate nanoparticles (FNPs) by using spray-freeze-drying (SFD). The type of sugar significantly influenced the pore architecture resulting SFD particles. Rapid freezing droplets containing dextran produced ice encapsulation within a matrix, forming In presence FNPs, particle size (approximately 4 μm) volume (0.3 cm

Spectral topographical analysis of wrinkled and crumpled colloidal particle surfaces utilizing cryo-electron tomography spherical harmonic models.

Oxidized tannic acid (OTA) is a useful biomolecule with strong tendency to form complexes metals and proteins. In this study we open the possibility further application of OTA when assembled as supramolecular systems, which typically exhibit functions that correlate shape associated morphological features. We used machine learning (ML) selectively engineer into particles encompassing one-dimensional three-dimensional constructs. employed Bayesian regression colloidal suspension conditions...

Flavonoids often exhibit broad bioactivity but low solubility and bioavailability, limiting their practical applications. The transglycosylated materials α-glucosyl rutin (Rutin-G) hesperidin (Hsp-G) are known to enhance the dissolution of hydrophobic compounds, such as flavonoids other polyphenols. In this study, effects these on flavone solubilization were investigated by probing interactions with in aqueous solutions. Rutin-G Hsp-G prepared via solvent evaporation spray-drying methods...

Spray freeze drying (SFD) is an ice templating method used to produce highly porous particles with complex pore architectures governed by nucleation and growth. SFD have been advanced as drug carrier systems, but the quantitative description of morphology formation in process still challenging. Here, space dimensions prepared from aqueous dextran solutions varying molecular weights (40-200 kDa) concentrations (5-20%) are analyzed using scanning electron microscopy. Coexisting morphologies...

Phytoglycogen (PG) is a hyperbranched polysaccharide with promising properties for biomedical and pharmaceutical applications. Herein, we explore the size structure of sweet corn PG nanoparticles their aggregation in water-ethanol mixtures up to ethanol mole fraction xEtOH = 0.364 dilute concentrations using small-angle X-ray scattering (SAXS) dynamic light (DLS) measurements. Between 0 ≤ 0.129, conformation contracts gradually decreasing ca. 80% hydrodynamic volume, when measured shortly...

Bile salts are biosurfactants that can induce structure transformations in supramolecular nanoassemblies with conventional surfactants owing to their unique, planar amphiphilic character and the rigidity of hydrophobic steroid skeleton. However, structural information about association bile glycosides is lacking. In this work, we investigated micelle two anionic di- trihydroxy [sodium deoxycholate (SDC) sodium cholate (SC)] a surfactant dodecyl sulfate (SDS)] mixtures nonionic steviol...

Flexible and easy-to-use microfluidic systems are suitable options for point-of-care diagnostics. Here, we investigate liquid transport in fluidic channels produced by stencil printing on flexible substrates as a reproducible scalable option diagnostics paper-based sensing. Optimal printability flow profiles were obtained combining minerals with cellulose fibrils of two different characteristic dimensions, the nano- microscales, forming ideal wettability. Biomolecular ligands easily added...

Abstract To tailor superparamagnetic iron oxide nanoparticles (SPIONs) to the specific needs of diverse application fields, it is essential understand not only their intrinsic properties but also interactions with each other. Theoretical models predicting/explaining magnetization behavior macroscopic samples containing millions SPIONs are intricate due complexity underlying relaxation mechanisms in alternating fields. This study introduces supraparticles (SPs) as model architectures...