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. " Pesticide residues like carbendazim have constantly been a fantastic threat to farming production and food safety and security. The level of fluorescence recovery is positively associated with chemical concentration, which enables us to develop a fluorescence aptasensor for carbendazim detection. The ordinary recovery range of carbendazim in several veggies and fruits is from 86 % to 99 %, showing that such aptasensor might have bright application prospects for carbendazim detection in foods. ".
Source link: https://europepmc.org/article/MED/IND607826321
. " The unique 0-dimensional quasi-spherical fluorescent carbon dots have the characteristics of small dimension, flexible emission wavelength range, simple useful modification of surface area groups, and good biocompatibility. Subsequently, crop waste can be used to prepare carbon dots and re-enter the plant life process. This testimonial summarizes current studies showing that carbon dots with specific chemical or optical properties can improve crop yields in various methods. The small size and surface hydrophilic groups that can go across the plant cell obstacle are valuable to CDs to promote seed germination and take in nutrients to advertise development. CDs with positive surface area charges or prepared by medium molecular weight PEI are the trick to targeted delivery of fertilizers, chemicals, fungicides, DNA or RNA. The luminescence series of CDs covers the absorption variety of plants and the electron donor and acceptor properties promote plant photosynthesis. The antioxidant properties of CDs are vital for boosting crop stress resistance. ".
Source link: https://europepmc.org/article/MED/IND607861923
. " In this study, Au@carbon dots nanohybrids with a core-shell structure are synthesized, which not only display tunable enzyme-mimicking task under near-infrared light, yet also outstanding surface-enhanced Raman spreading properties. The Au@CDs diminish glutathione with the waterfall militarized responses, hence boosting intratumor oxidative stress enhancing the responsive oxygen varieties damage based on the NIR-photoinduced improved peroxidase and glutathione oxidase-like tasks, revealing exceptional and quick PDT therapeutic impact promoted by photothermal property in 3 minutes, finally leading to apoptosis in cancer cells. Via SERS tracking, it is further found that after removing the NIR light source for 33 min, the responsive oxygen species task of the TME is combated and removed as a result of the existence of glutathione. This work presents a guidance to rationally design of artificial enzyme for ROS-involved therapeutic techniques and a new spectroscopic tool to evaluate the tumor catalytic therapy. ".
Source link: https://europepmc.org/article/MED/36180470
. " Importantly, the cancer-specific targeting and top-level intratumor enrichment of the theranostic CDs are achieved by cancer cell membrane encapsulation for precision SDT with complete removal of solid tumors by solitary shot and single irradiation. These results will open up a promising method to engineer phosphorescent materials with long-lived triplet thrilled states for sonodynamic precision tumor therapy. ".
Source link: https://europepmc.org/article/MED/36175446
. " Here, foliar application of carbon dots can scavenge reactive oxygen types build-up in soybean leaves under dry spell stress, therefore improving photosynthesis and carb transport. Particularly, the N content in soybean shoots and origins increased substantially by 13. 2 % and 30. 5 %, respectively. The amino acids content in soybean shoots and origins increased by 257. 5 % and 57. 5 %, respectively. Soybean returns increased significantly by 21. 5 %, and the protein content in soybean kernels boosted by 3. 7 %. For that reason, foliar application of CDs can support sustainable nano-enabled agriculture to deal with climate change. ".
Source link: https://europepmc.org/article/MED/36181808
. " Carbon dots are arising nanoparticles with incredible applications, particularly in the biomedical field. Here is reported the first quantitative proteomic analysis of the protein corona formed on CDs with different surface charge properties. After CD call with product, we reveal that protein corona identification is influenced by CD surface charge properties, which in turn effects CD uptake and practicality loss in macrophages. These data illustrate how corona characterization might add to a better understanding of CD cellular destiny and biological effects, and provide useful details for the development of CDs for biomedical applications. ".
Source link: https://europepmc.org/article/MED/36168840
. " Islet amyloids result not only from the aggregation and fibrillation of human islet amyloid polypeptide, however additionally from beta-amyloid 42, the key amyloidogenic peptide connected to Alzheimer's disease. While it is well-documented that hIAPP gathering happens only when islets are exposed to a diabetic person environment, consisting of hyperglycemia and/or elevated concentrations of saturated fatty acids, it continues to be unclear if hIAPP and IAPP: A \ u03b242 heteromer fibrillations are directly or indirectly triggered by this environment. In this research, we show the interaction in between high glucose concentrations and palmitate as the SFA in the gathering of hIAPP. Carbon nanocolloids in the form of favorably billed carbon quantum dots successfully protect against single amyloid aggregation and the formation of IAPP: A \ u03b242 heterocomplexes. We also suggest carbon nanocolloids as biocompatible nanomaterials for developing cutting-edge restorative techniques that avoid the decrease of useful \ u03b2-cell mass. ".
Source link: https://europepmc.org/article/MED/36165351
. " Controlling mechanisms associated with the aggregation of carbon quantum dots can lead to new application advancements for these quantum dot materials. Our results suggest that salt hydroxide not only plays a crucial role in the formation of solid cation- \ u03c0 communications, however also brightens the surface area of CQDs, leading to the formation of the aggregated CQDs. In addition, optical studies recommend a consolidated aggregation mechanism in the presence of both J-type and H-type aggregation pillars involved in forming the aggregated CQDs. ".
Source link: https://europepmc.org/article/MED/36164843
. " At the preliminary phases of CD synthesis through a bottom-up method, molecular fluorophores are considered to dominate the optical characteristics of the resulting nanomaterials. In this testimonial, the current progress in the use of molecular state theory for explanation of the structure-property relationship in CDs is summed up. This evaluation focuses specifically on the molecular fluorophores existing in nanomaterials prepared from citric acid as one of the most constant carbon sources reported for the bottom-up synthesis of CDs. Finally, the challenging issues and future point of views of molecular state PL mechanism exploration in CDs are highlighted. ".
Source link: https://europepmc.org/article/MED/36156633
"Carbon dots were used to develop a delicate picking up method for identifying Cr. These prepared CDs released blue fluorescence under excitation of 350 nm, and the fluorescence quantum return was 48. 41%. Cr quenched the fluorescence of CDs with a static quenching impact and an inner filter result, permitting Cr to be discovered quantitatively. The fluorescence intensity change was linearly pertaining to the focus of Cr in the range from 0. 5 to 400 \ u03bcM, with the detection limitation being 0. 10 \ u03bcM. The method has an excellent application possibility for finding Cr in sensible samples. ".
Source link: https://europepmc.org/article/MED/36156168
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