Search results
Results from the WOW.Com Content Network
The attachment of these capping/stabilizing agents slows and eventually stops the growth of the particle. [5] The most common capping ligands are trisodium citrate and polyvinylpyrrolidone (PVP), but many others are also used in varying conditions to synthesize particles with particular sizes, shapes, and surface properties.
A capping agent is used during nanoparticle synthesis to inhibit particle growth and aggregation. The chemical blocks or reduces reactivity at the periphery of the particle—a good capping agent has a high affinity for the new nuclei. [112] Citrate ions or tannic acid function both as a reducing agent and a capping agent.
In the manufacture of pharmaceuticals, encapsulation refers to a range of dosage forms—techniques used to enclose medicines—in a relatively stable shell known as a capsule, allowing them to, for example, be taken orally or be used as suppositories. The two main types of capsules are:
1.09 Alkylating agents: Altretamine: PO Alkylates DNA. Recurrent or advanced ovarian cancer Myelosuppression, peripheral neuropathy, seizures and hepatotoxicity (rare). Bendamustine: IV: Alkylates DNA. Chronic lymphocytic leukaemia, mantle cell lymphoma and non-Hodgkin's lymphoma. Myelosuppression, hypokalaemia and tachycardia. Busulfan: IV, PO ...
For example, the CHOP regimen consists of cyclophosphamide, doxorubicin, vincristine and prednisone. Besides chemotherapy, medical oncology (pharmacotherapy for cancer) includes several noncytotoxic classes of therapy, such as hormonal therapy and targeted therapy (biologic therapy). Those agents are described in the relevant articles.
A capping enzyme (CE) is an enzyme that catalyzes the attachment of the 5' cap to messenger RNA molecules that are in the process of being synthesized in the cell nucleus during the first stages of gene expression. The addition of the cap occurs co-transcriptionally, after the growing RNA molecule contains as little as 25 nucleotides.
CAP is common, affecting people of all ages, and its symptoms occur as a result of oxygen-absorbing areas of the lung filling with fluid. This inhibits lung function, causing dyspnea, fever, chest pains and cough. CAP, the most common type of pneumonia, is a leading cause of illness and death worldwide [citation needed].
Dimercaprol is a copper chelating agent that has been approved by the FDA to treat Wilson's disease. [ 8 ] Dimercaprol also shows effectiveness against snakebite by potently antagonizing the activity of Zn 2+ -dependent snake venom metalloproteinases in vitro .