Dersleri yüzünden oldukça stresli bir ruh haline sikiş hikayeleri bürünüp özel matematik dersinden önce rahatlayabilmek için amatör pornolar kendisini yatak odasına kapatan genç adam telefonundan porno resimleri açtığı porno filmini keyifle seyir ederek yatağını mobil porno okşar ruh dinlendirici olduğunu iddia ettikleri özel sex resim bir masaj salonunda çalışan genç masör hem sağlık hem de huzur sikiş için gelip masaj yaptıracak olan kadını gördüğünde porn nutku tutulur tüm gün boyu seksi lezbiyenleri sikiş dikizleyerek onları en savunmasız anlarında fotoğraflayan azılı erkek lavaboya geçerek fotoğraflara bakıp koca yarağını keyifle okşamaya başlar
Chitosan-lignosulfonatesono-chemically Prepared Nanoparticles: Characterisation And Potential Applications | 17264
ISSN: 2155-952X

Journal of Biotechnology & Biomaterials
Open Access

Like us on:

Our Group organises 3000+ Global Conferenceseries Events every year across USA, Europe & Asia with support from 1000 more scientific Societies and Publishes 700+ Open Access Journals which contains over 50000 eminent personalities, reputed scientists as editorial board members.

Open Access Journals gaining more Readers and Citations
700 Journals and 15,000,000 Readers Each Journal is getting 25,000+ Readers

This Readership is 10 times more when compared to other Subscription Journals (Source: Google Analytics)
Google Scholar citation report
Citations : 1770

Journal of Biotechnology & Biomaterials received 1770 citations as per Google Scholar report

Indexed In
  • Index Copernicus
  • Google Scholar
  • Sherpa Romeo
  • Open J Gate
  • Genamics JournalSeek
  • Academic Keys
  • ResearchBible
  • China National Knowledge Infrastructure (CNKI)
  • Access to Global Online Research in Agriculture (AGORA)
  • Electronic Journals Library
  • RefSeek
  • Hamdard University
  • OCLC- WorldCat
  • SWB online catalog
  • Virtual Library of Biology (vifabio)
  • Publons
  • Geneva Foundation for Medical Education and Research
  • Euro Pub
Share This Page

Chitosan-lignosulfonatesono-chemically prepared nanoparticles: Characterisation and potential applications

5th World Congress on Biotechnology

Suyeon Kim, Margarida Fernandes, Teresa Matam?, Ana Loureiro, Andreia Gomes and Artur Cavaco-Paulo

Accepted Abstracts: J Biotechnol Biomater

DOI: 10.4172/2155-952X.S1.029

Biodegradable chitosan microspheres have been widely researched as a potential delivery system. In this work, nanoparticles comprising chitosane-lignosulfonate polyelectrolyte complex were newly developed for potential cosmetic or medical application, due to their recognized properties of biocompatibility, biodegradability and antioxidative properties. Various conditions for microspheres preparation were studied and thoroughly characterized by measuring particle size, zeta potential, polydispersity index. pH of chitosan solution and sonication time were determinant factors on the development of smaller particles with low polydispersity index(8minutes of sonication at pH 5) in the presence of proper surfactant, poloxamer 407 (particle size: > 230 nm). A full characterization was performed in order to assess the beneficial effects of lignosulfonate onto chitosan microspheres.Lignosulfonates induced higher stability against lysosyme, an enzyme present in human body fluids, showing good resistance against enzymatic degradation. The morphology was evaluated, as well, by transmission electron microscopy. These particles were also shown to be able to incorporate a hydrophilic protein model, releasing of RNase Aagainst 0.5 g/L of lysosyme and presenting high rate of release in low concentration of lysosymemedium.
Suyeon Kim obtained her PhD degree in chemical textile department in Minho University in Portugal in 2009. She graduated in textile engineering in Youngnam University in Korea. Now she is working as researcher at Interdisciplinary Research Laboratory in PUCP and her main research area is the medical biotechnology and functional polymer synthesis from natural components. She published in around 15 international journals, book chapters and in area of biotechnology, polymer engineering and enzyme biotechnology. She also has patent in enzymatic processing in textile industry.