Botanical Sciences (G)
نویسندگان
چکیده
منابع مشابه
FORENSIC SCIENCES The Green Revolution: Botanical Contributions to Forensics and Drug Enforcement
Forensic botany encompasses many sub-disciplines, including plant anatomy, plant ecology, plant systematics, plant molecular biology, palynology, and limnology. Although the field of forensic botany has been recognized since the mid-1900’s, the use of trace plant material as physical evidence in criminal casework is still novel. A review of published forensic casework that used plant evidence i...
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 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 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: Science
سال: 1963
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.139.3555.637-b