منابع مشابه
Botanical identification of medicinal roots collected and traded in Morocco and comparison to the existing literature
BACKGROUND A literature review revealed heavy reliance on a few key publications for identification of medicinal plant species from local or vernacular names and a lack of citation of voucher specimens in many publications. There is a need for more reliable and standardized data on the identity of species used for medicine, especially because local names vary from region to region. This is espe...
متن کاملBotanical and phytochemical studies on roots of Berberis umbellata Wall. ex G. Don
Berberis umbellata Wall. ex G. Don (Family—Berberidaceae) commonly known as Himalayan Barberry is an important medicinal plant used in Ayurvedic System of Medicine for treating eye disorders, fever, jaundice, skin diseases, etc. The present study provides macroand microscopical characters, physico-chemical details such as total ash, acid-insoluble ash, hexane, alcohol and water soluble extracti...
متن کاملBotanical ratchets.
Ratcheting surfaces are a common motif in nature and appear in plant awns and grasses. They are known to proffer selective advantages for seed dispersion and burial. In two simple model experiments, we show that these anisotropically toothed surfaces naturally serve as motion rectifiers and generically move in a unidirectional manner, when subjected to temporally and spatially symmetric excitat...
متن کاملBotanical Ratchets Supplementary Data Subject Collections Botanical Ratchets
Supplementary data tml http://rspb.royalsocietypublishing.org/content/suppl/2009/03/06/rspb.2008.1685.DC1.h "Data Supplement" References http://rspb.royalsocietypublishing.org/content/276/1665/2243.full.html#ref-list-1 This article cites 15 articles, 2 of which can be accessed free Subject collections (129 articles) biophysics (54 articles) biomaterials Articles on similar topics can be f...
متن کاملDietary and botanical anxiolytics
Drugs used to treat anxiety have many negative side effects including addiction, depression, suicide, seizures, sexual dysfunction, headaches and more. Anxiolytic medications do not restore normal levels of neurotransmitters but instead manipulate the brain chemistry. For example, selective serotonin reuptake inhibitors (SSRIs) prevent the reuptake of serotonin from the synapse allowing seroton...
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ژورنال
عنوان ژورنال: Nature
سال: 1995
ISSN: 0028-0836,1476-4687
DOI: 10.1038/374604a0