sieve

MIT's molecular sieve advances protein research

...eases and developing new treatments. The molecular sieve developed by MIT engineers is more precise than co...d across a microchip the size of a thumbnail. The sieve makes it possible to screen proteins by specific size and shape.In contrast, the current technique u...

Virtual duck bills demonstrate species coexistence

...e, which are comb-like projections on the bill, to sieve food particles from pond water. Many ecologists, including Darwin, suggested that ducks coexist because interspecific differences in the spacing of bill lamellae allow each species to consume food particles of different sizes. Research published in t...

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sieve at Biology Definition

Phloem

...ct that sap cannot with ease move between adjacent sieve tubes, it is not unusual for sap in adjacent sieve tubes to be flowing in opposite directions. Phloem tissue consists of sieve-tube members and comp...

sieve at Biology Dictionary

Vascular plants

...62; trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> stele . The central cylinder inside t...

Turgor

...2;>> Turgor pressure builds up in the sieve tubes (similar to the creation of root pressure). Full article >>> turgor : pressure the pressure exerted on a plant 's guard cell s to open. U umbilical cord : the source of attachment of the fetus to the maternal blood supply....

Translocation

...tion trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Translocation of Food Food and other...

Trans

...tion trans fer of soluble materials through the sieve tubes of the phloem of vascular plants ; the exchange of parts of chromosomes Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Trans poson s are sequence s of DN...

Sieve tubes

...s up the stem . Full article >>> sieve tubes . See phloem . skeleton ize. To remove le... parent material. Full article >>> sieve tubes A series of long cells lying end to end and forming a tube, found in the phloem of An...

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sieve at Medicine News

A Wristwatch For Detecting Malaria

...larm rings every 35 days to remove the small metal sieve and wash the old blood away. The watch will be available soon from travel agents and outdoor stores. Edited IANS...

Poor awareness of lymphomas

... lymphatic system in the human body that helps to sieve out bacteria and aids to fight disease. Data reveals that it’s the fifth most prevalent cancer that afflicts more women than cervical or ovarian cancer .Survey shows that more Australians die from lymphomas than melanoma. Studies point out that mor...

New Microchip for Protein Sorting

...ue. // The microchip system has an extremely tiny sieve structure built into it that can sort through cont...ew technology is an advance from a one-dimensional sieve structure reported by the same MIT group last year. The key to this new advance, called an anisotrop...

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Urinalysis Analyzers: Large Capabilities in Every Size Device

...s a large display with touch-sensitive action. Two sieve functionsconfirmatory and microscopicflag abnormal results for quick review. A handheld bar-code reader identifies sample, color and clarity values, minimizing errors. Memory stores 500 patient results for convenient data retrieval and 200 control re...