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TZID:Asia/Jerusalem
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UID:1217@biotech.technion.ac.il
DTSTART;TZID=Asia/Jerusalem:20260824T140000
DTEND;TZID=Asia/Jerusalem:20260824T143000
DTSTAMP:20260720T062713Z
URL:https://biotech.technion.ac.il/events/%d7%a1%d7%9e%d7%99%d7%a0%d7%a8-%
 d7%a1%d7%99%d7%95%d7%9d-%d7%9e%d7%92%d7%99%d7%a1%d7%98%d7%a8-%d7%92%d7%9c%
 d7%a2%d7%93-%d7%a7%d7%95%d7%9e%d7%a9-%d7%9e%d7%94%d7%9e%d7%a2%d7%91%d7%93%
 d7%94-%d7%a9%d7%9c/
SUMMARY:סמינר סיום מגיסטר: גלעד קומש\, מהמעבד
 ה של פרופ' אסתי סגל
DESCRIPTION:Research Topic: Nanoclays as sustainable carriers for bio-based
  insecticides\nAbstract: ** Lecture will be given in English**\nThe growin
 g challenge of pest infestation in agriculture continues to jeopardize glo
 bal food production\, accounting for nearly one-third of annual crop losse
 s. The transition toward sustainable crop protection requires natural\, bi
 odegradable alternatives to conventional synthetic pesticides. We develop 
 kaolinite-based delivery systems for bio-based insecticides derived from e
 ssential oils (EOs). Kaolinite\, a two-dimensional nanoclay\, provides hig
 h surface area and tunable surface chemistry\, and exhibits intrinsic inse
 ct-repelling and anti-feeding properties\, enabling it to function both as
  an active agent and as an efficient carrier for volatile bioactive compou
 nds.\nCombinations of EOs were systematically screened against model targe
 t aphids\, demonstrating pronounced insecticidal activity. Water-based dis
 persions of EO-loaded nano-kaolin were subsequently formulated and charact
 erized to elucidate their colloidal structure\, interparticle organization
 \, and stability. Structural analyses revealed a unique hierarchical assem
 bly governing the controlled release of EOs from the nano-kaolin matrix. T
 his sustained release behavior extends bioactivity duration while mitigati
 ng volatilization and leaching. The insecticidal and repellency efficacy a
 s well as potential phytotoxic responses of the formulations were examined
  under controlled conditions to evaluate their suitability for agricultura
 l application. These results suggest that EOs–loaded kaolinite formulati
 ons represent a promising and scalable approach to natural pest management
 \, offering a potential pathway toward more sustainable crop protection te
 chnologies.
CATEGORIES:סמינרים
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TZID:Asia/Jerusalem
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DTSTART:20260327T030000
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