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    Mannitol
    Information
    CAS No. 87-78-5 Price $30 / 20mg
    Catalog No.CFN93001Purity>=98%
    Molecular Weight182.17Type of CompoundMiscellaneous
    FormulaC6H14O6Physical DescriptionPowder
    Download     COA    MSDSSimilar structuralComparison (Web)
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    Biological Activity
    Description: 1. Mannitol is a osmotic diuretic, it may play a role in reducing off-target 68Ga-PSMA renal uptake , administration of the mannitol should be rapid and start before 68Ga-PSMA injection.
    2. Mannitol has been used clinically to reduce intracranial pressure with varying success, and it is possible that it is more effective in some types of head injury than in others.
    Mannitol Description
    Source: The herbs of Peucedanum harry-smithii var. subglabrum
    Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
    Storage: Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C).

    Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.

    Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com

    After receiving: The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.
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    Recently, ChemFaces products have been cited in many studies from excellent and top scientific journals

    Cell. 2018 Jan 11;172(1-2):249-261.e12.
    doi: 10.1016/j.cell.2017.12.019.

    PMID: 29328914

    Mol Cell. 2017 Nov 16;68(4):673-685.e6.
    doi: 10.1016/j.molcel.2017.10.022.

    PMID: 29149595

    Scientific Reports 2017 Dec 11;7(1):17332.
    doi: 10.1038/s41598-017-17427-6.

    PMID: 29230013

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    doi: 10.3390/molecules22111829.

    PMID: 29077044

    J Cell Biochem. 2018 Feb;119(2):2231-2239.
    doi: 10.1002/jcb.26385.

    PMID: 28857247

    Phytomedicine. 2018 Feb 1;40:37-47.
    doi: 10.1016/j.phymed.2017.12.030.

    PMID: 29496173
    Calculate Dilution Ratios(Only for Reference)
    1 mg 5 mg 10 mg 20 mg 25 mg
    1 mM 5.4894 mL 27.4469 mL 54.8938 mL 109.7876 mL 137.2345 mL
    5 mM 1.0979 mL 5.4894 mL 10.9788 mL 21.9575 mL 27.4469 mL
    10 mM 0.5489 mL 2.7447 mL 5.4894 mL 10.9788 mL 13.7234 mL
    50 mM 0.1098 mL 0.5489 mL 1.0979 mL 2.1958 mL 2.7447 mL
    100 mM 0.0549 mL 0.2745 mL 0.5489 mL 1.0979 mL 1.3723 mL
    * Note: If you are in the process of experiment, it's need to make the dilution ratios of the samples. The dilution data of the sheet for your reference. Normally, it's can get a better solubility within lower of Concentrations.
    Mannitol References Information
    Citation [1]

    J Neurosurg. 1985 Jul;63(1):43-8.

    Effect of mannitol on cerebral blood flow and cerebral perfusion pressure in human head injury[Pubmed: 3925092 ]
    Patients with severe head injury frequently have evidence of elevated intracranial pressure (ICP) and ischemic neuronal damage at autopsy. Mannitol has been used clinically to reduce ICP with varying success, and it is possible that it is more effective in some types of head injury than in others. The aim of the present study was to determine the effect of Mannitol on ICP, cerebral perfusion pressure (CPP), and cerebral blood flow (CBF) in patients with severe head injury, and to discover if these effects differed in different types of injury. Measurements of CPP, ICP, and CBF were made in 55 patients with severe head injury. In general, the resting level of CBF was higher in patients with diffuse injury (mean 50.2 ml/100 gm/min) than in those with focal injury (mean 39.8 ml/100 gm/min). Mannitol consistently reduced ICP and increased CPP and CBF by 10 to 20 minutes after infusion. The lowest flows (31.8 ml/100 gm/min) were recorded from the most damaged hemispheres of patients with focal injuries and elevated ICP. The baseline levels of flow did not correlate with ICP, CPP, Glasgow Coma Scale score, or outcome. Only four of the 55 patients had a CBF of less than 20 ml/100 gm/min in either or both hemispheres. The few low CBF's in this and other studies may reflect the steady-state conditions under which measurements are made in intensive care units, and that these patients have entered a phase of reperfusion.
    Citation [2]

    Eur J Nucl Med Mol Imaging. 2017 Aug 11.

    Reduction of 68Ga-PSMA renal uptake with mannitol infusion: preliminary results.[Pubmed: 28801787]
    Urea-based prostate-specific membrane antigen (PSMA) ligands labelled with 68Ga or 177Lu are new tracers with great potential for theranostic approaches in prostate cancer. However, clinical studies have shown that the kidneys are one of the off-target organs along with the salivary and lacrimal glands. In the kidneys, PSMA is physiologically expressed in the apical epithelium of the proximal tubules, and Mannitol acts as an osmotic diuretic in these tubules. We investigated the potential of Mannitol to reduce renal uptake of 68Ga-PSMA. METHODS: Kidney uptake (SUVmax) was calculated in nine patients undergoing 68Ga-PSMA PET/CT at baseline (b-PET/CT) and after intravenous infusion of 500 ml of 10% Mannitol (m-PET/CT). Two different infusion schemes for Mannitol were used: (1) 500 ml Mannitol was infused over 40 min after 68Ga-PSMA administration (A-infusion) and (2) 250 ml Mannitol was infused over 15 min before and again after 68Ga-PSMA administration (B-infusion). RESULTS: In patients receiving the A-infusion, mean SUVmax increased by 11.9% and 7.4% in the right and left kidney, respectively. In patients receiving the B-infusion, mean SUVmax decreased by 24.3% and 22.4% in the right and left kidney, respectively. CONCLUSION: Our preliminary findings indicate that Mannitol may play a role in reducing off-target 68Ga-PSMA renal uptake. Administration of the osmotic diuretic should be rapid and start before 68Ga-PSMA injection. These results warrant dosimetric studies in patients treated with 177Lu-PSMA to find the best scheme for Mannitol administration.