עולם הטבע, בזכות תהליך אבולציוני רב שנים, מכיל פתרונות יצירתיים רבים אשר יכולים לשרת את הטכנולוגיה האנושית. אחד מהפתרונות המעניינים הוא יכולת ההיצמדות של רגלי השממיות אשר היווה השראה לסרט הדבקה חדש.
השממיות מצליחות להיצמד למשטח בזכות שערות זעירות המצפות כל אצבע שלהן, כאשר כל שערה יוצרת משיכה חלשה כתוצאה מתנועה אקראית של אלקטרונים (קשרי ואן דר ואלס; קשרים הנוצרים בשל הצטברות זמנית של האלקטרונים באחד הצדדים של מולקולה שאינה קוטבית). עוצמת ההיצמדות נשמרת גם כאשר מדובר במשטח מלוכלך, מאחר שהשממית כל הזמן מנקה את רגליה בעזרת חיכוך. חיכוך זה מרחיק את חלקי הלכלוך הגדולים ודוחק את חלקי הלכלוך הקטנים בין השערות.
פתרון ייחודי זה הביא לשיתוף פעולה של מדענים מארצות הברית ומגרמניה על מנת ליצור סרט הדבקה חדש מכוסה במיקרו-שערות מלאכותיות, שבו יושם תהליך הניקוי שבו משתמשת השממית.
שימוש בסרט שכזה יכול לבוא לידי שימוש מוצלח בשטחים רבים, ביניהם תעשיית המזון בדמות אריזות מזון המסוגלות להיפתח מספר רב של פעמים או בתחומי הרפואה, טכנולוגיית החלל ועוד.
קישור לידיעה- אירגון הביומימיקרי הישראלי
קצת על שממית הבתים
מהם קשרי ואן דר ואלס?
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