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How many cu m in 1 cu cm? The answer is 1.0E-6. We assume you are converting between cubic metre and cubic centimetre. You can view more details on each measurement unit: cu m or cu cm The SI derived unit for volume is the cubic meter. 1 cubic meter is equal to 1000000 cu cm. Note that rounding errors may occur, so always check the results.
››More information on molar mass and molecular weight. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.
The Illinois Credit Union League founded CU Kind Day in 2019. Since, the Minnesota Credit Union Network, the Cornerstone League, and the League of Southeastern Credit Unions have taken part in their own statewide day of kindness. In 2021, 66 Illinois credit unions joined forces on CU Kind Day bringing together 2,700 volunteers, supporting 322
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Site De Rencontre Sans Abonnement Totalement Gratuit. Historical PerspectiveCopper-based metal–organic frameworks for biomedical applicationsAbstractMetal–organic frameworks MOFs are a class of important porous, crystalline materials composed of metal ions clusters and organic ligands. Owing to the unique redox chemistry, photochemical and electrical property, and catalytic activity of Cu2+/+, copper-based MOFs Cu-MOFs have been recently and extensively explored in various biomedical fields. In this review, we first make a brief introduction to the synthesis of Cu-MOFs and their composites, and highlight the recent synthetic strategies of two most studied representatives, three-dimensional HKUST-1 and two-dimensional Cu-TCPP. The recent advances of Cu-MOFs in the applications of cancer treatment, bacterial inhibition, biosensing, biocatalysis, and wound healing are summarized and discussed. Furthermore, we propose a prospect of the future development of Cu-MOFs in biomedical fields and frameworks MOFs are a type of inorganic-organic hybrid materials with porous, reticular and crystalline structures [1]. They are organized by coordination effects of metal ions or clusters and organic ligands. The unique coordination geometry of metal and ligands dictate their different periodic structures and porosities. A lot of metals and organic ligands could be used to engineer MOFs with distinct properties for a wide range of applications including gas separation [2], gas storage/adsorption [3,4], catalysis [5], drug delivery [[6], [7], [8]], bioimaging [9], phototherapy [10], and so on. Nanoscale MOFs possess high surface areas and provide many accessible sites with surrounding substances, making it absorbing in diverse biomedical fields [11].Copper-based MOFs have excellent physicochemical properties among MOFs and have recently attracted wide attentions in various biomedical applications. The standard redox potential of Cu2+/Cu+ is eV and it could be influenced by the donor atoms and coordination geometry, which makes copper redox chemistry of great interest [12]. For example, Cu2+ in Cu-MOFs can oxidize glutathione GSH, an important antioxidant molecule in cancer cells, to deplete GSH contents. The reduced Cu+ can further react with H2O2 in cancer cells to generate cancericidal ∙OH through Fenton-like reactions. Some Cu-MOFs display fascinating enzyme-like catalytic activity, making them attractive in catalytic tumor therapy and biosensing. In addition, Cu-MOFs have moderate magnetic properties and good photothermal conversion ability, dictating their potential applications in magnetic resonance imaging and photothermal are attracting increasing attentions with more recognition of biological roles of copper. Copper is a mineral nutrient and participates in a variety of biological progresses including respiration, metabolism, cell signaling and so on [13,14]. Recent studies have witnessed the understanding of its biological functions from the active site metabolic cofactor to the signaling metal and metalloallosteric regulator [[15], [16], [17]]. Meanwhile, copper homeostasis is fundamental to health of organisms; too high or too low copper contents are intertwined with various diseases. The aberrant copper levels and metabolisms at lesion sites are identified as a promising target for treatment of disorders like cancer [[18], [19], [20]]. Furthermore, some copper-based organic complexes are intrinsically bioactive [21,22], which suggests a great potential of bioactive Cu-MOFs prepared by biological ligands. Overall, these biological properties of copper allow Cu-MOFs a robust platform toward different biomedical aims [23].Although there are many available reviews on MOFs and their biomedical applications, a comprehensive summary focusing on Cu-MOFs and their biomedical advances is very few. To the best of our knowledge, there is only one reported review on the nanomedicine application of Cu-MOFs, where Sun et al. summarized the synthetic methods and applications of nanoscale CuII/CuI-MOFs in antibacterial, anti-inflammatory, and anticancer therapy [24]. In this review, we first introduce the controllable synthesis of Cu-MOFs with different dimensions and their composites. Thereafter, we briefly discuss the toxicity concerns of Cu-MOFs and make a summary of recent advances in biomedical applications including anticancer, antibacterial, biosensing, biocatalysis, and wound healing Scheme 1.Section snippetsSynthesis of MOFsThe typical synthetic methods of MOFs include solvothermal method [[25], [26], [27], [28], [29]], sonochemical method [30,31], mechanochemistry [32,33], microwave synthesis [34], continuous flow production [35], layer-by-layer growth [36], and so on Fig. 1. Solvothermal method is a traditional method for facile synthesis of MOFs but is time-consuming and needs harsh conditions like high temperature and high pressure [37]. In contrast, microwave synthesis is time-saving by accelerating theBiomedical applications of Cu-MOFsBefore the discussion of biomedical applications, we would like to first pay attention to the toxicity of Cu-MOFs, which is one of the main concerns of MOFs as biomaterials. The toxicity of MOFs is dictated by the building metal ions and ligands but also by the particle size, morphology, agglomeration and stability [[80], [81], [82]]. The toxicities of HKUST-1 against cells[83], zebrafish embryos [84,85], and mice [86] were mostly studied. Ruyra et al. compared the cytotoxicity of a library ofConclusions and outlookIn summary, the synthesis and biomedical applications of Cu-MOFs and their composites are reviewed. The physiochemical properties of Cu and the porous structures have made Cu-MOFs attractive in various applications [317]. In the anticancer applications, Cu-MOFs could scavenge intracellular antioxidant substances like GSH and disrupt the redox hemostasis by a Fenton-like reaction [318]. By using electrochemical and Raman spectroscopic techniques, Cu-MOFs have proved a broad range of substratesDeclaration of Competing InterestThe authors declare no conflict of work was supported by National Natural Science Foundation of China No. 51903172, 51773130, and 51873121.Cited by 30Recommended articles 6View full text© 2022 Elsevier All rights reserved.
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