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Biosensing and bioimaging techniques largely promote the accurate diagnosis of intractable diseases, such as cancers, on the basis of specific molecular targets, or as-called biomarkers. To realize the assays with ultrahigh sensitivity and selectivity, the wide application of molecular biology and nanotechnology are of great necessity. Both directions may offer effective signal amplification strategies, as well as inhibition of cross-reaction interference. Therefore, this Special Issue, “Biosensing and Bioimaging: Trends and Perspective”, highlights the recent developments in intelligent biomolecule/nanostructure-based probes for bioimaging and biosensing applications. It consists of five peer-reviewed papers that cover current hot topics, such as biodegradable materials, DNA assembly, shRNA delivery and chimeric proteins, which will provide a unique perspective of advanced biosensing and bioimaging techniques.

Medicine --- Pharmacology --- Chagas disease --- immunoassays --- chimeric proteins --- stability --- biodegradable materials --- metal-organic framework --- metal ion nodes --- multimode imaging --- theranostic nano-platforms --- MCF-7 cells --- electrochemistry --- 2-D materials --- signal amplification --- DNA assembly --- bio-responsive fluorescent complexes --- shRNA delivery --- LncRNA MALAT1 --- cancer cells bioimaging --- therapeutics --- autophagy --- biosensor --- microfluidics --- organ-on-a-chip --- lung model --- lung-on-a-chip

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This Special Issue aims to provide an updated overview of the flourishing ongoing research activity in the field of the chemistry of natural and nature-inspired compounds. Ten of the submitted articles were accepted for publication after peer-review. Interestingly, the published papers cover a wide range of chemical reactions, different scaffolds, and several medicinal chemistry applications. Moreover, this Special Issue gathered contributions from all over the world, testifying the international scientific community’s interest in this topic. I would like to sincerely thank the MDPI staff, particularly Jade Lu and the editorial team of Molbank. I am particularly grateful to the authors that decided to share the results of their research by contributing their manuscript to this Special Issue, and, of course, to the reviewers for their valuable help.

Research & information: general --- quercetin --- flavonoids --- semi-synthetic --- PDE --- sildenafil --- molecular modeling --- Garcinia porrecta --- Clusiaceae --- xanthone --- Lansium domesticum --- Meliaceae --- MCF-7 --- triterpene onoceranoid --- hydrazone --- (+)-camphor --- valproic acid --- technology --- terpenoid --- anticonvulsant activity --- 1,2,3-triazole --- anticancer --- aminoquinoline --- hybrid compound --- kokosanolide --- tetranortriterpenoid --- C. dichotoma --- antidiabetic --- α-glucosidase --- α-amylase --- docking --- ADMET --- curcumin analog --- organic synthesis --- photophysical properties --- steady-state fluorescence --- DFT calculation --- 7-hydroxy-2H-chromen-2-one --- O-acylation reaction --- coumarin --- lupeol derivative --- benzylidene derivative --- α-glucosidase inhibition --- Oxone® --- quercetin --- flavonoids --- semi-synthetic --- PDE --- sildenafil --- molecular modeling --- Garcinia porrecta --- Clusiaceae --- xanthone --- Lansium domesticum --- Meliaceae --- MCF-7 --- triterpene onoceranoid --- hydrazone --- (+)-camphor --- valproic acid --- technology --- terpenoid --- anticonvulsant activity --- 1,2,3-triazole --- anticancer --- aminoquinoline --- hybrid compound --- kokosanolide --- tetranortriterpenoid --- C. dichotoma --- antidiabetic --- α-glucosidase --- α-amylase --- docking --- ADMET --- curcumin analog --- organic synthesis --- photophysical properties --- steady-state fluorescence --- DFT calculation --- 7-hydroxy-2H-chromen-2-one --- O-acylation reaction --- coumarin --- lupeol derivative --- benzylidene derivative --- α-glucosidase inhibition --- Oxone®

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This Special Issue aims to provide an updated overview of the flourishing ongoing research activity in the field of the chemistry of natural and nature-inspired compounds. Ten of the submitted articles were accepted for publication after peer-review. Interestingly, the published papers cover a wide range of chemical reactions, different scaffolds, and several medicinal chemistry applications. Moreover, this Special Issue gathered contributions from all over the world, testifying the international scientific community’s interest in this topic. I would like to sincerely thank the MDPI staff, particularly Jade Lu and the editorial team of Molbank. I am particularly grateful to the authors that decided to share the results of their research by contributing their manuscript to this Special Issue, and, of course, to the reviewers for their valuable help.

quercetin --- flavonoids --- semi-synthetic --- PDE --- sildenafil --- molecular modeling --- Garcinia porrecta --- Clusiaceae --- xanthone --- Lansium domesticum --- Meliaceae --- MCF-7 --- triterpene onoceranoid --- hydrazone --- (+)-camphor --- valproic acid --- technology --- terpenoid --- anticonvulsant activity --- 1,2,3-triazole --- anticancer --- aminoquinoline --- hybrid compound --- kokosanolide --- tetranortriterpenoid --- C. dichotoma --- antidiabetic --- α-glucosidase --- α-amylase --- docking --- ADMET --- curcumin analog --- organic synthesis --- photophysical properties --- steady-state fluorescence --- DFT calculation --- 7-hydroxy-2H-chromen-2-one --- O-acylation reaction --- coumarin --- lupeol derivative --- benzylidene derivative --- α-glucosidase inhibition --- Oxone® --- n/a

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In the landscape of the design of carbon nanomaterials, the fine-tuning of their functionalities and physico-chemical properties has increased their potential for therapeutic, diagnostic, and biosensing applications. In this editorial, we will provide a brief overview of the contents of this Special Issue. In particular, nanoplatforms originating from the synergistic combination of carbon-based nanomaterials (i.e., nanotubes, graphene, graphene oxide, carbon quantum dots, nanodiamond, etc.) with various functional molecules such as drugs, natural compounds, biomolecules, polymers, metal nanoparticles, and macrocycles that have useful applications in drug delivery, multi-targeted therapies, theranostic as well as scaffolds in tissue engineering, and as sensing materials have been selected for publication as Articles or Mini Reviews. The variety of applications covered by the nine articles published in this Special Issue of Nanomaterials are proof of the growing attention that the use of carbon nanomaterials in the biomedical/pharmaceutical field has received in recent years. We hope that readers find the contents of this Special Issue useful for their research, which is aimed to advance carbon nanomaterials from the laboratory to clinical nanomedicine.

Technology: general issues --- Chemical engineering --- graphene oxide --- covalent functionalization --- cortical membranes --- calcium phosphate deposition --- graphene/gold nanocomposite --- SERS --- Dopamine --- Rhodamine 6G --- nanodiamond --- tritium --- biodistribution --- Ewing sarcoma --- drug delivery --- siRNA --- nanomedicine --- porphyrin --- J-aggregates --- carbon nanotubes --- nanohybrids --- graphene --- liquid biopsy --- circulating tumor cells --- exosomes --- circulating nucleic acids --- COVID-19 --- pyrrole --- cancer --- doxorubicin --- drug delivery systems --- nanoparticles --- carbon dots --- platelet aggregation --- arterial thrombosis --- signaling molecules --- bleeding disorder --- cytotoxicity --- carbon nanomaterials --- camptothecin --- Caco-2 --- MCF-7 --- NanoHy-GPS --- antibacterial nanosystems --- one-pot microwave-assisted reaction --- silver nanoparticles --- polyvinyl alcohol --- n/a

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Due to their lightweight and high specific strength, Mg-based alloys are considered as substitutes to their heavier counterparts in applications in which corrosion is non-relevant and weight saving is of importance. Furthermore, due to the biocompatibility of Mg, some alloys with controlled corrosion rates are used as degradable implant materials in the medical sector. The typical processing route of Mg parts incorporates a casting step and, subsequently, a thermo–mechanical treatment. In order to achieve the desired macroscopic properties and thus fulfill the service requirements, thorough knowledge of the relationship between the microstructure, the processing steps, and the resulting property profile is necessary. This Special Issue covers in situ and ex situ experimental and computational investigations of the behavior under thermo–mechanical load of Mg-based alloys utilizing modern characterization and simulation techniques. The papers cover investigations on the effect of rare earth additions on the mechanical properties of different Mg alloys, including the effect of long-period stacking-ordered (LPSO) structures, and the experimental and computational investigation of the effect of different processing routes

Arabidopsis --- abiotic stress response --- photosynthesis --- phosphoglycolate phosphatase --- photorespiration --- 2-phosphoglycolate --- Arabidopsis thaliana --- glycolate oxidase --- protein phosphorylation --- Zea mays --- Portulaca grandiflora --- C4 photosynthesis --- Crassulacean acid metabolism (CAM), evolution --- development --- PEP carboxylase --- Portulacaceae --- glycine decarboxylase --- metabolite signaling/acclimation --- TCA cycle --- Calvin–Benson cycle --- photoperiodic changes --- redox-regulation --- environmental adaptation --- Glycolate oxidase --- evolution --- Archaeplastida --- Cyanobacteria --- MCF --- oxidative phosphorylation --- mitochondrial carriers --- transporters --- energy balancing --- cyclic electron flux --- malate valve --- C3 cycle --- acclimation --- chlorophyll a fluorescence --- fluctuating light --- natural variation --- pyruvate kinase --- glycolysis --- respiratory metabolism --- n/a --- Calvin-Benson cycle