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- Publications
- Influence
Extraction of keratin from unhaining wastes of goatskin and creating new emulsion formulation containing keratin and calendula flower (calendula officiinalis L.).
- E. Bayramoğlu, A. Yorgancioğlu, G. Yeldiyar, Ersin Onem
- Chemistry
- 2014
- 4
- 1
Comparison of different tanning agents on the stabilization of collagen via differential scanning calorimetry
- Ersin Onem, A. Yorgancioğlu, Huseyin Ata Karavana, Onur Yilmaz
- Materials Science
- Journal of Thermal Analysis and Calorimetry
- 20 February 2017
Leather is composed of a three-dimensional weave of collagen fiber bundles. Collagen is a fibrous protein well organized in the formation of skin as building blocks. Leather production involves… Expand
Optimization of tannin isolation from acorn and application in leather processing
- Ersin Onem, G. Gülümser, S. Akay, O. Yesil-Celiktas
- Chemistry
- 1 February 2014
Abstract The aim of this work was to optimize the extraction parameters of tannins from the acorns and the tanning properties. Experiments were planned to evaluate the effect of solvent/feed ratio… Expand
High pressure vegetable tanning of sheepskins using supercritical carbon dioxide
- Ersin Onem, G. Gülümser, M. Renner, O. Yesil-Celiktas
- Materials Science
- 1 September 2015
Abstract Leather is a porous material composed of a three-dimensional weave of collagen fiber bundles. The high pressure tanning (HPT) of sheepskins with valonea tannin in supercritical CO2 was… Expand
Pressurized fluid extraction (PFE) of valonea tannin with binary H2O–CO2 and ternary H2O–CH3OH–CO2 systems and phase equilibrium studies
- Ersin Onem, G. Gülümser, M. Renner, Anna Luisa Oelbermann, O. Yesil-Celiktas
- Chemistry
- 26 May 2015
Abstract In this study, the effect of binary and ternary systems, solvent/feed (S/F) ratio (20–100 w/w), time (2–3 h) and pressure (10–200 bar) were tested with subcritical and supercritical CO 2 to… Expand
Reduction of Hexavalent Chromium Formation in Leather with Various Natural Products (Coridothymus capitatus, Olea europaea, Corylus avellana, and Juglans regia)
- E. Bayramoğlu, Ersin Onem, A. Yorgancioğlu
- Chemistry
- 30 September 2012
In this research, the extracts obtained from various natural products (hazelnut shells, thyme, olive shoots, and walnut leaves), which are indicated to have antioxidative characteristics, which are… Expand
Analysis of release of free formaldehyde originated from THP salt tanneges in leather by high performance liquid chromatography: Origanum onites essential oil as free formaldehyde scavenger
- E. Bayramoğlu, A. Yorgancioğlu, Ersin Onem
- Chemistry
- 2013
- 5
Evaluation of Natural Dyeing of Leather with Rubia tinctorum Extract
- Ersin Onem, G. Gülümser, B. Ocak
- Chemistry
- 30 September 2011
The aspect o f producing leather and textile products without impacting on the ecological balance, affecting both human and environmental health, is an important focal point to be pursued. Therefore,… Expand
Green separation and characterization of fatty acids from solid wastes of leather industry in supercritical fluid CO2
- Ersin Onem, M. Renner, M. Prokein
- Chemistry, Medicine
- Environmental Science and Pollution Research
- 26 May 2018
Considerable tannery waste is generated by leather industry around the world. Recovery of the value-added products as natural fats from the solid wastes gained interest of many researchers. In this… Expand
A novel approach in leather finishing: Surface modification with flock fibers
- B. Başaran, A. Yorgancioğlu, Ersin Onem
- Materials Science
- 26 June 2012
In recent years, finishing has begun introducing an extraordinary touch and appearance to the surface of leathers by surface modification. Because some superficial anomalies cannot be recovered by… Expand