In addition to shade, aspidistras require an open, acidic and humus-rich soil. Species suggested for growing outdoors in the UK ... Aspidistra elatior, the "cast-iron plant", is a popular houseplant, surviving shade, cool conditions and neglect. It is one of ...
The phosphite moiety also bears a diisopropylamino (iPr2N) group reactive under acidic conditions. On activation, the ... The phosphoramidites are relatively stable to hydrolysis under neutral conditions. For instance, half-life of 2-cyanoethyl 5'-O ... The amidites withstand mild basic conditions. In contrast, in the presence of even mild acids, phosphoramidites perish almost ... which are reactive with the activated phosphoramidites under the conditions of the coupling reaction. Although, at the expense ...
... s are upland areas with acidic, low-nutrient and often water-logged soils. In their cold, windy and wet conditions ... An example of this is the Exmoor Pony, a rare horse breed which has adapted to the harsh conditions in England's Exmoor. In ... Reptiles are few due to the cooler conditions. In Europe, only the common viper is frequent, though in other regions moorlands ... Some hill sheep breeds, such as Scottish Blackface and the Lonk, thrive on the austere conditions of heather moors. Burning of ...
Formalin fixation can also leave a brown to black pigment under acidic conditions. In the 17th century the Italian Marcello ... Hematoxylin stains cell nuclei blue; eosin, an acidic dye, stains the cytoplasm and other tissues in different stains of pink. ...
It is relatively stable and hydrolyses only at very acidic or basic conditions. It is very toxic both for target organisms and ... At normal conditions, it is a pale yellow mobile liquid poorly soluble in water but readily soluble in organic solvents. ...
This type of alcohol protecting group is robust under mild acidic reaction conditions. Treatment of alcohol with sodium hydride ...
... compared to patients who lack the aforementioned conditions. Furthermore, there is insufficient evidence that these conditions ... Acidic irritation, in return, may induce the rupture of varices. Therefore, PPIs are often routinely prescribed for cirrhotic ... Despite their extensive use, the quality of the evidence supporting their use in some of these conditions is variable. The ... These medications are used in the treatment of many conditions, such as: Dyspepsia Peptic ulcer disease including after ...
The fruit is deep red or dark purple, with an unusual hardiness to frost and cold weather conditions. It grows in Alaska, ... Rubus arcticus grows most often in acidic soils rich in organic matter. It is a thornless perennial up to 30 centimetres (12 ...
If those conditions are met, seeds will generally germinate the following spring. Another method of dispersal is cuttings, in ... Veronica odora can survive in common garden soil, acidic or alkaline. However, it is necessary to avoid excessive fertilizer or ... It can grow well in places with high rainfall because it likes wet conditions, but it is also drought tolerant. When planting ...
The name of the town comes from "szczawy", which is what the locals call the acidic waters. The first historical mention of the ... Due to the presence of alkali sorrel springs and favorable climatic conditions, many respiratory and digestive tract illnesses ... Szczawnica's waters are acidic mineral waters containing bicarbonate, chlorine, sodium, bromine and iodine. They are ... There are springs of twelve acidic mineral waters - "szczawy" - whose curative properties were first mentioned in the 16th ...
Brownish when neutral, it becomes yellow reddish under acidic conditions and purple when alkaline. In a small demonstrative ...
Lactamization reactions are commonly employed to form the heterocycles, usually under strongly acidic conditions. When a α- ... Under the reported condition, boronic acids substrates failed to give any enantioselectivity. Also, 3Å molecular sieve is used ... The reaction is carried out under harsh conditions (24-hr reflux in 1,4-dioxane), but the resultant carboxylic acid is obtained ... Additionally, the reaction does not require anhydrous or inert conditions. As a mild, selective synthesis, the Petasis reaction ...
It is more acidic than hydrogen sulfide, but the pKa has not been reported. In organosulfur chemistry, hydrogen disulfide adds ... Upon contact with water or alcohols, hydrogen disulfide readily decomposes under ambient conditions to hydrogen sulfide and ...
Acidic poor fens are often dominated by peat mosses of the genus Sphagnum which tend to further increase acidity. A notable ... Rich fens are often characterized by alkaline hydrologic conditions, allowing for more plant diversity. These areas may be ... Additional factors such as geological conditions, soil type, and surface morphology may also influence the characteristics of a ... A minerotrophic wetland may be alkaline or weakly acidic, which also influences vegetation communities. ...
When consumed, most bacteria do not survive the acidic conditions of the human stomach. The few surviving bacteria conserve ... Early outbreaks in the Indian subcontinent are believed to have been the result of crowded, poor living conditions, as well as ... cholera is a disease which almost entirely affects the poor living in unsanitary conditions. This, and the unpleasant course of ... the presence of pools of still water, both of which provide ideal conditions for cholera to thrive. The disease first spread by ...
This equation will tend to move to the right in acidic conditions. Higher redox potentials are found at lower pH levels. ... The primary conditions for soil development are controlled by the chemical composition of the rock that the soil will ... In low redox conditions, decomposition rates decrease and the deposition of ferrous iron (Fe2+) increase. By using analytical ... The process of soil formation is dominated by chemical weathering of silicate minerals, aided by acidic products of pioneering ...
Under acidic conditions, oxidations of aryl enol ethers lead to α-aryl esters via 1,2-aryl migration. Ring-contractive ... If acidic hydrogens are present in the cyclic product, overoxidation can occur under the reaction conditions. In some cases, ... Under basic conditions, the active iodinating species are iodine(III) compounds in which any relatively acidic ligands on ... Aryl migration may occur under acidic conditions, yielding α-aryl esters from enol ethers. Favorskii rearrangements have also ...
Under acidic conditions, less than 5% of the LSD was converted to iso-LSD. It was also demonstrated that trace amounts of metal ... However, LSD and iso-LSD, the two C-8 isomers, rapidly interconvert in the presence of bases, as the alpha proton is acidic and ... Both the parent drug and its major metabolite are unstable in biofluids when exposed to light, heat or alkaline conditions and ... After some two hours this condition faded away. -Albert Hofmann, on his first experience with LSD: 15 LSD was first synthesized ...
Weakly acidic bile may increase the risk for hypopharyngeal carcinogenesis by inducing DNA damage. DNA damage, such as DNA ... LPR was not discussed as a separate condition from GERD until the 1970s and 1980s. However, at around the same time that GERD ... This hyper-functional technique adopted in response to the inflammation caused by LPR can lead to a condition called muscle ... Subsequent studies suggested that acid reflux might be a contributory factor in other laryngeal and respiratory conditions. In ...
The FOX assay relies on the oxidation of Fe2+ to Fe3+ in acidic conditions. After this initial oxidation, the xylenol orange ...
Also reflecting its affinity for metals, thiosulfate ion rapidly corrodes metals in acidic conditions. Steel and stainless ... Molybdenum improves the resistance of stainless steel toward pitting (AISI 316L hMo). In alkaline aqueous conditions and medium ... but not in acidic solutions, due to disproportionation to sulfite ions and sulfur, the sulfite ions being dehydrated to sulfur ...
The resulting epoxycarbonyl can be cyclized to a furan under acidic or basic conditions. 1,4-diol-2-yne systems have also been ... The reaction is typically run under protic or Lewis acidic conditions, with a primary amine. Use of ammonium hydroxide or ... The Paal-Knorr Furan synthesis is normally carried out under aqueous acidic conditions with protic acids such as aqueous ... A ketone with an acetal 3 bonds away from it can be converted under exactly the same conditions as a 1,4-diketone to the ...
They prefer soils with a ph level of 5.5 to 7 (acidic to neutral). They can be grown in any good garden soil that is preferably ... They should then be replanted 25 cm (9.8 in)s) apart and 10 cm (3.9 in) deep, into weed free conditions. New plants can be ... It can spread in ideal conditions to create large colonies. It is cultivated as an ornamental plant in temperate regions. The ... They also don't like very hot conditions either. Preferring the northern parts of America and United States to the over warm ...
... is a degradation product of malvidin 3-O-glucoside under acidic conditions. It is found in wine. Lopes, P; ...
Bogs are characterized by ombrotrophic conditions-isolated from groundwater, acidic and low in nutrients. Fens are ...
It can be deprotected to reveal the amine using reductive or strongly acidic conditions. Tosyl (Ts) group is commonly used as a ...
This 15 electron species is Lewis acidic and thus binds epoxides and carbonyl compounds. The complex transfers a single ... Benzylic and allylic alcohols can be de-oxygenated under mild conditions using super-stoichiometric Cp2TiCl, however the ... Barbier-type reactivity is observed between aldehydes or ketones and allyl electrophiles under catalytic conditions. The ... subsequent reaction proceeds along a pathway determined by added reagents and reaction conditions: In the presence of hydrogen ...
The reaction can only proceed with a fast enough rate under sufficiently acidic conditions. At high pH, under alkaline ... conditions, the reaction considerably slows down because of the precipitation of Fe(OH)3 which notably lowers the concentration ...
The cyst form is the most resistant form of this parasite and is able to survive in harsh conditions because of its thick ... Experiments have been carried out to show its ability to withstand acidic gastric juices. Besides, the cysts did not lyse when ... The appearance of the organism is largely dependent upon environmental conditions as it is extremely sensitive to oxygen. ...
This reaction must be conducted in non-acidic conditions to prevent release of chlorine: 2 Cl− → Cl 2 + 2 e− Cl 2 + H 2O ⇌ HClO ... the data also shows that the chlorine oxyanions are stronger oxidizers in acidic conditions. Hypochlorite is a sufficiently ...