Microneedles-Based Theranostic Platform: From the Past to the Future.

Fully integrated theranostic devices are highly esteemed in clinical applications, offering immense potential in real-time disease monitoring and personalized care. Microneedles (MNs), as innovative and wearable devices, boast important advantages in biosensing and therapy, thus holding significant promise in the advancement of diagnostic and therapeutic platforms. Encouragingly, advancements in electrochemical sensing technology, micronano fabrication, and biocompatible materials are propelling momentum for MNs-based closed-loop systems, enhancing detection capabilities, biocompatibility, and cost-effectiveness.

Engineered for Long-Term Oral Enzyme Delivery.

Intestinal flora shows excellent affinity in the gut, and the adhesive property is borrowed for oral drug delivery. A facile strategy for bacteria engineering has been successfully developed by introducing metal-organic framework (MOF) mineralization. The MOF exoskeleton serves as an extendable platform for accommodating various cargoes with good morphology maintained.

Lab on the Microneedles: A Wearable Metal-organic Frameworks-Based Sensor for Visual Monitoring of Stress Hormone.

Abnormal secretion and dysrhythmias of cortisol (CORT) are associated with various diseases such as sleep disorders, depression, and chronic fatigue. Wearable devices are a cutting-edge technology for point-of-care detection and dynamic monitoring of CORT with inspiring convenience. Herein, we developed a minimally invasive skin-worn device with the advanced integration of both interstitial fluid (ISF) sampling and target molecule sensing for simultaneous detection of CORT via a microneedle-based sensor with high sensitivity, excellent efficiency, and outstanding reproducibility.

Metal-organic frameworks-based microtrapper for real-time monitoring of targeted analyte and mechanism study.

Interstitial fluid (ISF) provides important information of clinical value and physiological significance beyond blood tests for obtaining more precise health information and disease theranostics. Generally, current strategies are limited to simple extraction with time-consuming follow-up procedures. Facing challenges in efficient and real-time monitoring of target analytes in transdermal ISF, we develop metal-organic framework (MOF)-functionalized microneedle (MN) patches to achieve efficient antibiotics sampling, coupling direct analysis in real time mass spectrometry (DART-MS).

Molecular cytogenetic characterization and fusarium head blight resistance of five wheat-Thinopyrum intermedium partial amphiploids.

Background: Partial amphiploids created by crossing octoploid tritelytrigia(2n = 8× = 56, AABBDDEE) and Thinopyrum intermedium (2n = 6× = 42, StStJJJJ) are important intermediates in wheat breeding because of their resistance to major wheat diseases. We examined the chromosome compositions of five wheat-Th. intermedium partial amphiploids using GISH and multicolor-FISH.

Modification of metal-organic framework composites as trackable carriers with fluorescent and magnetic properties.

A fluorescent metal-organic framework (EuMOF) based on Eu nodes coordinated by 1,1':2',1″-terphenyl-4,4',4″,5'-tetracarboxylate (Httca) linkers has been developed as a trackable carrier with inherent fluorescence. Since FeO nanoparticles (NPs) have great value in versatile applications in vivo/vitro including imaging, cell isolation and magnetic responsivity, FeO NPs were introduced in the EuMOF composites to enhance the multifunctionalities. It has been demonstrated that the FeO NPs functionalized EuMOF composites have capability for tumor cell retrieval from matrix followed by anti-cancer drug release, which is promising to be developed as an integrated drug screening platform.

Development and Molecular Cytogenetic Characterization of Cold-Hardy Perennial Wheatgrass Adapted to Northeastern China.

Cold-hardy perennial wheatgrass plays an important role in the use of barren land for farming, soil and water conservation, variety improvement, and also for increasing grass yield. By crossing octoploid tritelytrigia (2n = 8x = 56, AABBDDEE) with (2n = 6x = 42, StStJJJ J ), we developed 34 lines of perennial wheatgrass from F to F generations, which had vigorous regrowth and cold hardiness. The cold-hardy, perennial wheatgrass lines were well-adapted to the cold environment and developed root and rhizomes, with a longevity between 5 and 11 years and a better seed set.

Selective and efficient adsorption of Au (III) in aqueous solution by Zr-based metal-organic frameworks (MOFs): An unconventional way for gold recycling.

Recycling precious metals from secondary resources is of great environmental and economic significance. In this study, the Zr-based MOFs UiO-66-NH was synthesized and used to adsorb Au (III) in aqueous solution. The ultrafine particle size (∼50 nm), excellent crystallinity and huge specific surface area (1039.

Magnetization of 3-dimentional homochiral metal-organic frameworks for efficient and highly selective capture of phosphopeptides.

Enrichment of phosphopeptides based on various affinity probes prior to mass spectrometry detection is usually required due to the low abundance and low ionization efficiency of phosphopeptides. In this work, a 3-dimentional homochiral metal-organic frameworks (MOFs) was modified with magnetic nanoparticles using a facile method and then utilized for phosphopeptides capture with high efficiency and specificity. Based on magnetic solid phase extraction, a rapid and efficient method was developed and the whole enrichment procedure could be easily finished within 10min.

NiCoMnO4: A Bifunctional Affinity Probe for His-Tagged Protein Purification and Phosphorylation Sites Recognition.

A bifunctional affinity probe NiCoMnO4 was designed and prepared with controllable morphology and size using facile methods. It was observed that the probe could be applied in His-tagged proteins purification and phosphopeptides enrichment simply through the buffer modulation. NiCoMnO4 particles showed satisfactory cycling performance for His-tagged proteins purification and broad pH-tolerance of loading buffer for phosphopeptides affinity.

[Synthesis and applications of chiral metal-organic framework in the selective separation of enantiomers].

Chirality is a universal phenomenon in nature. Chiral separation is vitally important in drug development, agricultural chemistry, pharmacology, environmental science, biology and many other fields. Chiral metal-organic frameworks (MOFs) are a new group of porous materials with special topology and designable pore structures, as well as their high specific surface area, porosity, excellent thermal stability, solvent resistance, etc.

Recent advances in applications of nanomaterials for sample preparation.

Sample preparation is a key step for qualitative and quantitative analysis of trace analytes in complicated matrix. Along with the rapid development of nanotechnology in material science, numerous nanomaterials have been developed with particularly useful applications in analytical chemistry. Benefitting from their high specific areas, increased surface activities, and unprecedented physical/chemical properties, the potentials of nanomaterials for rapid and efficient sample preparation have been exploited extensively.

Facile synthesis of magnetic homochiral metal-organic frameworks for "enantioselective fishing".

Magnetic functionalized homochiral metal-organic frameworks (MOFs) were prepared and applied to efficient enantioselective fishing of chiral drug intermediates. Under optimized conditions, the enantiomeric excess (ee) value as high as 85.2% was achieved for methyl phenyl sulfoxide (MPS) within 3 min.