Search results

Search for "UV spectroscopy" in Full Text gives 11 result(s) in Beilstein Journal of Nanotechnology.

Antibody-conjugated nanoparticles for target-specific drug delivery of chemotherapeutics

  • Mamta Kumari,
  • Amitabha Acharya and
  • Praveen Thaggikuppe Krishnamurthy

Beilstein J. Nanotechnol. 2023, 14, 912–926, doi:10.3762/bjnano.14.75

Graphical Abstract
  • efficacy is an important factor to improve therapeutic efficacy. Researchers are actively working on quantification methods that are specific, rapid, sensitive, simple, and easy to use. The Lowry assay, UV spectroscopy, Bradford assay, and bicinchoninic acid assay are widely used and accepted methods to
PDF
Album
Review
Published 04 Sep 2023

Bombesin receptor-targeted liposomes for enhanced delivery to lung cancer cells

  • Mohammad J. Akbar,
  • Pâmela C. Lukasewicz Ferreira,
  • Melania Giorgetti,
  • Leanne Stokes and
  • Christopher J. Morris

Beilstein J. Nanotechnol. 2019, 10, 2553–2562, doi:10.3762/bjnano.10.246

Graphical Abstract
  • mode on a SHIMADZU Axima-CFR MALDI–TOF. Liposomal formulation Lipids for each liposomal formulation were dissolved in chloroform and mixed in a round-bottomed flask (see Table 2, below). The concentration of lipid-PEG-peptide conjugate solutions in chloroform were determined by UV spectroscopy using
PDF
Album
Full Research Paper
Published 19 Dec 2019

Polyvinylpyrrolidone as additive for perovskite solar cells with water and isopropanol as solvents

  • Chen Du,
  • Shuo Wang,
  • Xu Miao,
  • Wenhai Sun,
  • Yu Zhu,
  • Chengyan Wang and
  • Ruixin Ma

Beilstein J. Nanotechnol. 2019, 10, 2374–2382, doi:10.3762/bjnano.10.228

Graphical Abstract
  • lead nitrate, to which polyvinylpyrrolidone (PVP) was added in order to enhance the photoelectric performance of the PSCs. By a combination of SEM, EIS, PL and UV spectroscopy and other characterization approaches, we show that the PVP additive is effective in inhibiting carrier recombination
PDF
Album
Full Research Paper
Published 05 Dec 2019

Microfluidic manufacturing of different niosomes nanoparticles for curcumin encapsulation: Physical characteristics, encapsulation efficacy, and drug release

  • Mohammad A. Obeid,
  • Ibrahim Khadra,
  • Abdullah Albaloushi,
  • Margaret Mullin,
  • Hanin Alyamani and
  • Valerie A. Ferro

Beilstein J. Nanotechnol. 2019, 10, 1826–1832, doi:10.3762/bjnano.10.177

Graphical Abstract
  • UV spectroscopy at 421 nm. Curcumin release profile from the different niosome preparations when stored at 37 °C. Size and distribution for niosomes prepared by microfluidic mixing with two types of non-ionic surfactants at two different FRR. Results represent the mean ± SD of triplicate readings
  • their NanoAssemblr and UV-spectroscopy instruments.
PDF
Album
Full Research Paper
Published 05 Sep 2019

The systemic effect of PEG-nGO-induced oxidative stress in vivo in a rodent model

  • Qura Tul Ain,
  • Samina Hyder Haq,
  • Abeer Alshammari,
  • Moudhi Abdullah Al-Mutlaq and
  • Muhammad Naeem Anjum

Beilstein J. Nanotechnol. 2019, 10, 901–911, doi:10.3762/bjnano.10.91

Graphical Abstract
  • polyethylene glycol (PEG). PEGylation of nGO was confirmed by Fourier-transform infrared spectroscopy (FTIR), UV spectroscopy and TEM. The average size distribution of nGO and PEG-nGO was determined by using dynamic light scattering (DLS). Subsequently, an in vivo study measuring a marker for oxidative stress
PDF
Album
Full Research Paper
Published 18 Apr 2019

Comparative biological effects of spherical noble metal nanoparticles (Rh, Pd, Ag, Pt, Au) with 4–8 nm diameter

  • Alexander Rostek,
  • Marina Breisch,
  • Kevin Pappert,
  • Kateryna Loza,
  • Marc Heggen,
  • Manfred Köller,
  • Christina Sengstock and
  • Matthias Epple

Beilstein J. Nanotechnol. 2018, 9, 2763–2774, doi:10.3762/bjnano.9.258

Graphical Abstract
  • ), analytical disc centrifugation (differential centrifugal sedimentation, DCS), ultraviolet (UV) spectroscopy, and high-resolution transmission electron microscopy (HRTEM). All characterization data are summarized in Table 2. All nanoparticles have a neutral or negative zeta potential. This is probably due to
PDF
Album
Full Research Paper
Published 29 Oct 2018

Closed polymer containers based on phenylboronic esters of resorcinarenes

  • Tatiana Yu. Sergeeva,
  • Rezeda K. Mukhitova,
  • Irek R. Nizameev,
  • Marsil K. Kadirov,
  • Polina D. Klypina,
  • Albina Y. Ziganshina and
  • Alexander I. Konovalov

Beilstein J. Nanotechnol. 2018, 9, 1594–1601, doi:10.3762/bjnano.9.151

Graphical Abstract
  • pH 3 the fluorescence peak increases and there is a hypsochromic shift due to the release of Fl. To determine the release of D (D = Fl, PTS) after acidification, dialysis was carried out for three hours and the concentration of D in the dialysate was monitored using UV spectroscopy (Table 2). Indeed
PDF
Album
Supp Info
Full Research Paper
Published 29 May 2018

Colorimetric detection of Cu2+ based on the formation of peptide–copper complexes on silver nanoparticle surfaces

  • Gajanan Sampatrao Ghodake,
  • Surendra Krishna Shinde,
  • Rijuta Ganesh Saratale,
  • Avinash Ashok Kadam,
  • Ganesh Dattatraya Saratale,
  • Asad Syed,
  • Fuad Ameen and
  • Dae-Young Kim

Beilstein J. Nanotechnol. 2018, 9, 1414–1422, doi:10.3762/bjnano.9.134

Graphical Abstract
  • Organization. Keywords: absorbance; dispersion; drinking water; rapid detection; UV spectroscopy; Introduction Among heavy metals, copper is particularly interesting because it acts both as a micronutrient essential to life, but also as an environmental contaminant, due to its toxicity to most organisms when
PDF
Album
Full Research Paper
Published 15 May 2018

Uptake of the proteins HTRA1 and HTRA2 by cells mediated by calcium phosphate nanoparticles

  • Olga Rotan,
  • Katharina N. Severin,
  • Simon Pöpsel,
  • Alexander Peetsch,
  • Melisa Merdanovic,
  • Michael Ehrmann and
  • Matthias Epple

Beilstein J. Nanotechnol. 2017, 8, 381–393, doi:10.3762/bjnano.8.40

Graphical Abstract
  • determined by atomic absorption spectroscopy (AAS) with an M-Series AA spectrometer (Thermo Electron Corporation, Schwerte). The amount of fluorescently labelled protein on the nanoparticles was determined by quantitative UV spectroscopy, using previously measured calibration curves at λ = 496 nm for BSA
PDF
Album
Full Research Paper
Published 07 Feb 2017

Sonochemical co-deposition of antibacterial nanoparticles and dyes on textiles

  • Ilana Perelshtein,
  • Anat Lipovsky,
  • Nina Perkas,
  • Tzanko Tzanov and
  • Aharon Gedanken

Beilstein J. Nanotechnol. 2016, 7, 1–8, doi:10.3762/bjnano.7.1

Graphical Abstract
  • characterized by UV spectroscopy (CARY 100 Scan UV spectrometer covering a wavelength range from 300 to 800 nm). An attempt to prove the existence of the dyes on the cotton was carried out by solid state nuclear magnetic resonance (NMR). The experiments were performed on a Bruker Advance III 500 narrow-bore
PDF
Album
Full Research Paper
Published 04 Jan 2016

Peptide-equipped tobacco mosaic virus templates for selective and controllable biomineral deposition

  • Klara Altintoprak,
  • Axel Seidenstücker,
  • Alexander Welle,
  • Sabine Eiben,
  • Petia Atanasova,
  • Nina Stitz,
  • Alfred Plettl,
  • Joachim Bill,
  • Hartmut Gliemann,
  • Holger Jeske,
  • Dirk Rothenstein,
  • Fania Geiger and
  • Christina Wege

Beilstein J. Nanotechnol. 2015, 6, 1399–1412, doi:10.3762/bjnano.6.145

Graphical Abstract
  • membraPure system, Aquintus, Bodenheim, Germany) and resuspended in 100 µL of ddH2O. The TMVwt and TMV–Lys concentrations were determined by UV spectroscopy with a NanoDrop ND-1000 spectrophotometer (PeqLab, Erlangen, Germany) at a wavelength of 260 nm, using the extinction coefficient of TMV particles (3 mL
PDF
Album
Full Research Paper
Published 25 Jun 2015
Other Beilstein-Institut Open Science Activities