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A recent study published in the European Physical Journal Special Topics introduces a pioneering application of laser Doppler vibrometry (LDV) to better comprehend African elephant vocalizations and their behavioral implications. The research primarily aimed to determine the dynamics of vocal exchanges ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_cc390133be.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_cc390133be.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_b6057bf1e2.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_b6057bf1e2.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_2006d27ce3.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_2006d27ce3.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_b131d5047d.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_b131d5047d.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/e\/csm_elephant-communication_cc390133be.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/how-to-measure-low-frequency-acoustic-communication-of-african-elephants","origUid":7518,"readingTime":"4 min","subline":"Who is calling","tags":[{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"How to measure low-frequency acoustic communication of African elephants","uid":7522,"visits":5},{"authors":[],"datetime":null,"description":"

We had a chance to virtually sit down for an interview with Prof. Rong Zhu Gan. In her field, she is one of those personalities that needs no introduction. For the uninitiated, she is the George Lynn Cross Research Professor, Presidential Research Professor, Charles E. Foster Chair, and Prof. of Biomedical and Mechanical Engineering, School of Aerospace & Mechanical Engineering at The University of Oklahoma and has been there for 25 years.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_f3c714ecde.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_f3c714ecde.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/gan.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_649c389d42.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_649c389d42.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_b5080a53f0.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_b5080a53f0.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/6\/csm_gan_f3c714ecde.jpg","alt":"Prof. Rong Zhu Gan","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/a-trend-setter-in-hearing-research","origUid":7265,"readingTime":"3 min","subline":"A trend-setter in hearing research","tags":[{"title":"Biology & medical","uid":4},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Celebrating the iconic career of Professor Rong Z. Gan","uid":7271,"visits":79},{"authors":[],"datetime":null,"description":"

Diseases of the heart and circulation are the most common cause of death - even before cancer! So we should pay a lot of attention to the health of the heart. But how? Everyone knows the rise of pulse when the doctor measures the heart function, for example, with the electrocardiogram (ECG). It would be better to check the heart function unnoticed, e.g. when brushing your teeth in the morning.<\/p>\r\n\r\n","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_09a48cd7b5.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_09a48cd7b5.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/cardiac-fibrillation-from-distance.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/cardiac-fibrillation-from-distance.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_7cdbdd533d.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_7cdbdd533d.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/f\/csm_cardiac-fibrillation-from-distance_672045e019.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/observing-cardiac-fibrillation-from-a-distance","origUid":7120,"readingTime":"6 min","subline":"Heartbeat measured by laser light","tags":[{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Observing cardiac fibrillation from a distance and yet close","uid":7124,"visits":161},{"authors":[],"datetime":null,"description":"

Osteoarthritis, a degenerative disease in the joint, is a condition that is afflicting approximately 14% of adults. Understanding the dynamics of the joint cartilage is crucial for research and for finding effective treatment methods.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_865730ff38.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_865730ff38.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/osteoarthritis-therapy-using-laser-vibration-measurement.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/osteoarthritis-therapy-using-laser-vibration-measurement.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_baef298120.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_baef298120.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/9\/csm_osteoarthritis-therapy-using-laser-vibration-measurement_72f9d3f585.jpg","alt":"human knee","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/osteoarthritis-therapy-using-laser-vibration-measurement","origUid":6984,"readingTime":"6 min","subline":"Laser vibration measurement enhances osteoarthritis therapy","tags":[{"title":"Biology & medical","uid":4},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Non-contact alternative to dynamic and viscoelastic mechanical testing in cartilage","uid":6989,"visits":247},{"authors":[],"datetime":null,"description":"

Surface acoustic wave (SAW)-based acoustofluidics combines microfluidics with active microacoustic fields. This allows to realize numerous Lab-on-a-Chip operations, reaching from fluid manipulation including mixing, droplet and aerosol generation to the manipulation of cells and (bio-)particles.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_410638478d.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_410638478d.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/blood-cell-sorting.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/blood-cell-sorting.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_40f8af8b07.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_40f8af8b07.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/manipulation-of-complex-fluids-with-saw-based-acoustofluidics","origUid":6758,"readingTime":"3 min","subline":"Sample preparation for biomedicine","tags":[{"title":"Micro & nanotechnology","uid":10},{"title":"Acoustics & ultrasonics","uid":2},{"title":"General R&D","uid":6},{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Manipulation of complex fluids with SAW-based acoustofluidics","uid":6764,"visits":258},{"authors":[],"datetime":null,"description":"

The human middle ear transfers acoustically-induced vibrations of the eardrum through the ossicles to the inner ear. Near the auditory threshold, the resulting three-dimensional vibrational patterns have displacements in the range of only a few nanometers. Highly accurate and non-intrusive measuring ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/a\/3\/csm_all-ears_321387902a.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/a\/3\/csm_all-ears_321387902a.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/all-ears.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/all-ears.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/all-ears.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/all-ears.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/a\/3\/csm_all-ears_2b28205e10.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/a\/3\/csm_all-ears_2b28205e10.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/a\/3\/csm_all-ears_321387902a.jpg","alt":"We're all ears","title":""}},"link":"https:\/\/magazine.polytec.com\/sea\/investigating-vibrations-of-the-human-auditory-ossicles","origUid":6368,"readingTime":"3 min","subline":"We're all ears","tags":[{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Investigating vibrations of the human auditory ossicles","uid":6489,"visits":267},{"authors":[],"datetime":null,"description":"

Spider webs are naturally occurring structures with amazing and very distinctive architecture, mechanics and dynamics. To predict the vibration damping response of a complete spider web structure, the damping properties of its constituent silk threads were measured through in situ experiments ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/c\/csm_spider-web_9d44f77a65.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/c\/csm_spider-web_9d44f77a65.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/spider-web.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/spider-web.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/spider-web.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/spider-web.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/c\/csm_spider-web_45aaa04381.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/c\/csm_spider-web_45aaa04381.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/d\/c\/csm_spider-web_9d44f77a65.jpg","alt":"In situ measurement of spider web damping values ","title":"In situ measurement of spider web damping values "}},"link":"https:\/\/magazine.polytec.com\/sea\/in-situ-damping-measurements-of-spider-webs","origUid":6328,"readingTime":"4 min","subline":"Along came a spider","tags":[{"title":"Biology & medical","uid":4}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"In situ damping measurements of spider webs","uid":6488,"visits":378},{"authors":[],"datetime":null,"description":"

In order to keep your natural teeth as long as possible and to prevent caries and periodontal infections, home-care methods like brushing your teeth and flossing are essential. Unfortunately, these alone are not sufficient. Biofilm arises even if these home care treatments are performed correctly 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