Angelika Preisfeld*, Gabriele Scholten-Beck, Hans Georg Ruppel Universität Bielefeld, Fakultät für Biologie, Postfach 100131, D-33501 Bielefeld, Bundesrepublik Deutschland Z. Naturforsch. 52c, 33-41 (1997); received September 20/0ctober 29, 1996 Deficiency, Euglena gracilis, Lectin Assay, Mucilage Biochemical and ultrastructural examinations on the pellicle of autotrophically grown Eu­ glena gr...

BACKGROUND Natural polymers have been used as pharmaceutical excipients. They are easily available, cheap, less toxic andbiodegradable. Many of them have been identified and research is ongoing regarding their characterization. OBJECTIVE The present study depicts the extraction and characterization of Aegle marmelos derived polymer which can be used as a pharmaceutical excipient. MATERIAL A...

Biopolymers are widely distributed in nature and have a wide variety of biological properties applications. Chia (Salvia hispanica L.) is an herbaceous plant that belongs to the Lamiaceae family, which when contact with water exude fraction soluble fiber form mucilage. In view above, this study aims provide overview characteristics applications chia mucilage make it biopolymer industrial intere...

Opuntia dillenii (Ker Gawl.) Haw., a well-known member of the Cactaceae family, played an important role in agriculture and medicine. In this study, extraction conditions physico-chemical properties water-soluble polysaccharides (OMP) from mucilage were investigated. The cactus cladodes used study collected Binh Thuan province, Vietnam. optimum water with conventional heating included at temper...

to investigate the influence of salinity and calcium (ca) on some properties of plantago ovata, a pot factorialexperiment based on randomized complete block design with three replicates was conducted in jiroft, south of kermanprovince, iran. three salinity levels of 0, 100 and 200 mm nacl and ca levels of 0, 5 and 10 mm calcium nitrate wereapplied as the first and second factors, respectively. ...

BACKGROUND Nanoparticles undergoing physicochemical changes to release enclosed drugs at acidic pH conditions are promising vehicles for antitumor drug delivery. Among the various drug carriers, high-density lipoprotein (HDL)-like nanoparticles have been shown to be beneficial for cancer chemotherapy, but have not yet been designed to be pH-responsive. METHODS AND RESULTS In this study, we de...

The aim of this study is the evaluation of the e ect of microencapsulation of nanoparticles in composite microparticles on the reduction of burst release. Microparticles (simple and composite) and nanoparticles were prepared by using water-in-oil-in-water (W/O1/W2 double-emulsion solvent di usion/evaporation method), using di erent drug/polymer ratios. For preparation of the composite micropart...

Near-field plasmonic coupling and local field enhancement in metal nanoarchitectures, such as arrangements of nanoparticle clusters, have application in many technologies from medical diagnostics, solar cells, to sensors. Although nanoparticle-based cluster assemblies have exhibited signal enhancements in surface-enhanced Raman scattering (SERS) sensors, it is challenging to achieve high reprod...