Academia Journal of Biology
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Study on conditions of hydrolysis green seaweed Chaetomorpha limum by enzyme and application of inbioethanol production
Academia Journal of Biology - Tập 38 Số 2 - 2016
Chaetomorpha linum seaweed composes a high carbohydrate content, various types of polysaccharides, with 38% cellulose in material. In our paper, the material from Ch. linum was treated by enzyme L Visocozyme and we found optimized hydrolysis conditions, vis. enzyme concentration: 0.85 ml/g (42.5 IU/g), time: 33 hours, temperature: 50oC, and pH: 5.2. The hydrolysis results of Ch. linum were: 50.3 g......
Preliminary study of some development stages of the reproductive organs of Aegiceras corniculatum (L.) Blanco naturally growing in the coastal areas of north Vietnam
Academia Journal of Biology - Tập 27 Số 3 - Trang 33-38 - 2014
Aegiceras corniculatum (L.) Blanco (Myrsinaceae) is a mangrove species living in tropical and sub-tropical estuarine coastal areas, bearing many features of adaption to the environmental conditions, especially the reproductive organs. This paper presents the time of formation and development of buds, seeds and propagules. It takes about 10 months in total for seeds to form the propagules, to devel......
Effect of hypoxia and high glucose on sodium channels in dorsal root ganglia neurons
Academia Journal of Biology - Tập 34 Số 1 - 2012
Hypoxia and hyperglycemia are considered as the leading causative factors of diabetes and frequently associated with several complications. Voltage-gated sodium channels are large trans-membrane proteins that contribute to the initiation and propagation of neuronal excitability associated with pain. Here we show that hypoxic and high glucose cellular environment increases the excitability of DRG n......
Study bioaccumulation of heavy metals Lead (Pb) and Cadmium (cd) in two bivalvia species (Anadara subcrenata Lischke and Meretrix meretrix Linnaeus) from estuarine in Da Nang city
Academia Journal of Biology - Tập 31 Số 3 - 2014
Bioindicators are species used to monitor the health of an environment or ecosystem. They are any biological species or group of species whose function, population, or status can be used to determine ecosystem or environmental integrity. Bioindicators can tell us about the cumulative effects of different pollutants in the ecosystem and about how long a problem may have been present, which physical......
#Bioaccumulation #Bivalvia #Anadara subcrenata #Meretrix meretrix #heavy metal
New record of the genus \(\textit{Dicamptus}\) Szépligeti (Hymenoptera: Ichneumonidae: Ophioninae) from Vietnam
Academia Journal of Biology - Tập 44 Số 3 - 2022
Dicamptus isshikii Uchida, 1928 is recorded for the first time from Vietnam on the basis of specimens collected from Bat Xat Nature Reserve, Lao Cai province, Northwest Vietnam. A checklist of the Dicamptus species of Vietnam is presented with detailed records on the distribution range of each species. A key to the Vietnamese species of the genus Dicamptus is also provided.
#Ichneumonidae #distribution #new record #taxonomy
Taxonomical study of the euphorbiaceae family at the Yok Don national park, Dak Lak province
Academia Journal of Biology - Tập 29 Số 3 - 2014
During the time to study on Euphorbiaceae at the Yokdon national park, Daclac province, 27 species belonging to 16 genera, 14 tribes and 4 subfamilies have been analyzed and identified. Among them, 24 species had been fully indentified while the remainders were still unidentified and maybe new for the Vietnam flora. Phyllanthoideae is the most rich subfamily with 6 tribes, 8 genera and 15 species.......
Effects of sugar concentration, natural ventilation and supporting materials on the growth of in vitro strawberry plantlets (Fragaria ananassa Duch.) and on the survival rate of ex vitro plantlets
Academia Journal of Biology - Tập 30 Số 2 - 2014
The growth of strawberry (Fragaria ananassa Duch.) plantlets cultured in vitro as affected by sugar, types of supporting material and number of air exchange of the vessel was investigated. Shoots of in vitro strawberry plantlets were cultured on the on full strength MS (Murashige & Skoog 1962) basal liquid medium with 30 g/l sugar and without sugar. Two types of supporting material, agar and f......
Evaluation of salt tolerance (NaCl) and compatibility of bael [Aegle marmelos (L.) Corr.] as rootstock of citrus trees
Academia Journal of Biology - Tập 32 Số 1 - 2012
Bael [Aegle marmelos (L). Corr], family Rutaceae, was grown much more in Soc Trang and Tra Vinh provinces where Khmer peoples have been living. Bael had capacity to adapt a wide range of habitat from arid to mesophytic conditions. Bael could be grown in many types of soils. It was hypothesized that Bael was able to tolerate salinity (NaCl) or not. Up to now, any articles in relation with this prob......
Study on the change of trysin inhibitors (TI) in the seeds of Momordica cochinchinensis during their formation and development
Academia Journal of Biology - Tập 24 Số 1 - 2015
Study on the change of trysin inhibitors (TI) in the seeds of Momordica cochinchinensis during their formation and development
Some notes about Herpetofauna of North middle Vietnam
Academia Journal of Biology - Tập 30 Số 4 - Trang 41-48 - 2014
The North Middle Vietnam include from Thanh Hoa to Thua Thien - Hue province, It extends from 16o12’ - 20o40’N and 104o25’ - 108o10’E. An area is 51,500.7 km2. The results of survey have showed that 226 species of Amphibians and Reptiles belonging 26 families, 5 orders in the North Middle Vietnam. Among them, have 22 Amphibians and 15 Reptiles species is endemic of Vietnam. The Amphibians have 88 ......
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