Name: insect-machine hybrid system: remote radio control of a freely flying beetle (mercynorrhina torquata)
Uploaded: 2016-09-02T13:00:00
Description: Watch this Scientific Journal Video about Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle Mercynorrhina torquata at JoVE.com

This material is based on the works supported by Nanyang Assistant Professorship (NAP, M4080740), Agency for Science, Technology and Research (A*STAR) Public Sector Research Funding (PSF, M4070190), A*STAR-JST (The Japan Science and Technology Agency) joint grant (M4070198), and Singapore Ministry of Education (MOE2013-T2-2-049). The authors would like to thank Mr. Roger Tan Kay Chia, Prof. Low Kin Huat, Mr. Poon Kee Chun, Mr. Chew Hock See, Mr. Lam Kim Kheong and Dr. Mao Shixin at School of MAE for their support in setting up and maintaining the research facilities. The authors thank Prof. Michel Maharbiz (U.C. Berkeley) his advice and discussion, Prof. Kris Pister and his group (U.C. Berkeley) for their support in providing the GINA used in this study.

1. Étude des animaux <ol><li> individuels arrière coléoptères torquata Mecynorrhina (6 cm, 8 g) dans des récipients en plastique séparés avec une literie de granulés de bois. </li><li> Nourrir chaque beetle une tasse de gelée de sucre (12 ml) tous les 3 jours. </li><li> Maintenir la température et l&#39;humidité de la pièce d&#39;élevage à 25 ° C et 60% respectivement. </li><li> Testez la capacité de vol de chaque dendroctone avant l&#39;implantation des électrodes minces de fil. <ol><li> jeter doucem...

<ol>
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Le processus d&#39;implantation est importante, car elle affecte la fiabilité de l&#39;expérience. Les électrodes doivent être insérées dans le muscle à une profondeur de 3 mm ou moins en fonction de la taille de l&#39;insecte (en évitant le contact avec les muscles à proximité). Si les électrodes touchent les muscles à proximité, des actions et des comportements moteurs indésirables peuvent se produire en raison de la contraction des muscles voisins. Les deux électrodes doivent être bien alignées pour ...

An insect-machine hybrid system, often referred to as a cyborg insect or biobot, is the fusion of a living insect platform with a miniature mounted electronic device. The electronic device, which is wirelessly commanded by a remote user, outputs an electrical signal to electrically stimulate neuromuscular sites in the insect via implanted wire electrodes to induce user desired motor actions and behaviors. In the early stages of this research field, researchers were limited to conducting wireless recording of the muscular action of an insect, using simple analog circuits comprised of surface-mounted components1-3. The development of system-on-a-chip technology with radio frequency functionality enabled not only the wireless recording of neuromuscular signals but also the electrical stimulation of the neuromuscular sites in living insects. At present, a built-in radio microcontroller is small enough to be mounted on living insects without causing any obstructions to their locomotion4-13.
The development of the built-in radio microcontroller allows researchers to determine electrical stimulation protocols to induce desired motor actions to control the locomotion of the insect of interest. On the ground, researchers have demonstrated walking control by stimulating the neuromuscular sites of cockroaches4,12,14, spiders15, and beetles16,17. In the air, the initiation and cessation of flight were achieved using different methods such as the stimulation of the optic lobes (the massive neural cluster of a compound eye) in beetles7,9 and brain sub-regions in bees18, whereas turning control has been demonstrated by stimulating the antennae muscles and nervous system of the abdomens in moths11,19 and the flight muscles of beetles7,9,13. In most cases, a built-in radio microcontroller was integrated on a custom-designed printed circuit board to produce a miniature wireless stimulator (backpack), which was mounted on the insect of interest. This allows wireless electrical stimulation to be applied to a freely walking or flying insect. Such a microcontroller-mounted insect is what is referred to as an insect-machine hybrid system. 
This study describes the experimental protocols for building an insect-machine hybrid system, wherein a living beetle is employed as the insect platform, and instructs on how to operate the robot and test its flight control systems. The third axillary sclerite (3Ax) muscle was chosen as the muscle of interest for electrical stimulation and demonstration of left or right turning control13. A pair of thin silver wire electrodes was implanted in both the left and right 3Ax muscles. Moreover, a backpack was mounted on the living beetle. The other ends of the wire electrode were connected to the output pins of the microcontroller. The backpack was small enough for the beetle to carry in flight. Thus, this allows an experimentalist to remotely stimulate the muscle of interest of an insect in free flight and investigate its reactions to the stimulations.

<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>Mecynorrhina torquata beetle</td>
			<td>Kingdom of Beetle Taiwan</td>
			<td></td>
			<td>10 g, 8 cm, pay load capacity is 30% of the body mass 
			Aproval of importing and using by Agri-Food and Veterinary Authority of Singapore (AVA; HS code: 01069000, product code: ALV002).</td>
		</tr>
		<tr>
			<td>Wireless backpack stimulator</td>
			<td>Custom</td>
			<td></td>
			<td>TI CC2431 micocontroler 
			The board is custom made based on the GINA board from Prof. Kris Pister&#8217;s lab. The layout of GINA board can be found at&#160;&#160;&#160; https://openwsn.atlassian.net/wiki/display/OW/GINA</td>
		</tr>
		<tr>
			<td>Wii Remote control</td>
			<td>Nintendo</td>
			<td></td>
			<td>Bluetooth remote control to send the command to the operator laptop</td>
		</tr>
		<tr>
			<td>BeetleCommander v1.8</td>
			<td>Custom. Maharbiz group at UC Berkeley and Sato group at NTU</td>
			<td></td>
			<td>Establish the wireless communication of the backpack and the operator laptop. Configure the stimulus parameters and log the positional data. Visualize the flight data.</td>
		</tr>
		<tr>
			<td>GINA base station</td>
			<td>Kris Pister group at UC Berkeley</td>
			<td></td>
			<td>TI MSP430F2618 and AT86RF231</td>
		</tr>
		<tr>
			<td>Motion capture system</td>
			<td>VICON</td>
			<td>T160</td>
			<td>8 cameras for a flight arena of 12.5 x 8 x 4 m</td>
		</tr>
		<tr>
			<td>Motion capture system</td>
			<td>VICON</td>
			<td>T40s</td>
			<td>12 cameras for a flight arena of 12.5 x 8 x 4 m</td>
		</tr>
		<tr>
			<td>Micro battery</td>
			<td>Fullriver</td>
			<td>&#160;201013HS10C&#160;</td>
			<td>3.7V, 10 mAh</td>
		</tr>
		<tr>
			<td>Retro reflective tape</td>
			<td>Reflexite</td>
			<td>V92-1549-010150</td>
			<td>V92 reflective tape, silver color</td>
		</tr>
		<tr>
			<td>PFA-Insulated Silver Wire&#160;</td>
			<td>A-M systems</td>
			<td>786000</td>
			<td>127 &#181;m bare, 177.8 &#181;m coated, 3 mm bare silver flame exposed at tips</td>
		</tr>
		<tr>
			<td>SMT Micro Header&#160;</td>
			<td>SAMTEC</td>
			<td>FTSH-110-01-L-DV</td>
			<td>0.3 x 6 mm, bend to make a 3 mm long slider to secure the electrode into the PCB header.</td>
		</tr>
		<tr>
			<td>Beeswax</td>
			<td></td>
			<td></td>
			<td>Secure the electrodes</td>
		</tr>
		<tr>
			<td>Dental Wax</td>
			<td>Vertex</td>
			<td></td>
			<td>Immobilize the beetle</td>
		</tr>
		<tr>
			<td>Insect pin</td>
			<td>ROBOZ</td>
			<td>RS-6082-30</td>
			<td>Size&#160; 00; 0.3mm Rod diameter; 0.03 mm tip width; 38 mm Length&#160; 
			Make electrode guiding holes on cuticle</td>
		</tr>
		<tr>
			<td>Tweezers</td>
			<td>DUMONT</td>
			<td>RS-5015</td>
			<td>Pattern #5; .05 X .01mm Tip Size; 110mm Length 
			Dissecting and implantation</td>
		</tr>
		<tr>
			<td>Scissors</td>
			<td>ROBOZ</td>
			<td>RS-5620</td>
			<td>Vannas Micro Dissecting Spring Scissors; Straight; 3mm Cutting Edge; 0.1mm Tip Width; 3&#34; Overall Length&#160; 
			Dissecting and implantation</td>
		</tr>
		<tr>
			<td>Potable soldering iron</td>
			<td>DAIYO</td>
			<td>DS241</td>
			<td>Reflow beeswax</td>
		</tr>
		<tr>
			<td>Hotplate&#160;</td>
			<td>CORNING</td>
			<td>PC-400D</td>
			<td>Melting beeswax and dental wax</td>
		</tr>
		<tr>
			<td>Flourescent lamp</td>
			<td>Philips</td>
			<td>TL5 14W</td>
			<td>Light the entire flight arena with 30 panels (60 x 60 cm2). Each panel has 3 lamps. 
			14 W, 549 mm x 17 mm&#160;</td>
		</tr>
	</tbody>
</table>

insect-machine hybrid system: remote radio control of a freely flying beetle (mercynorrhina torquata)

La montée des appareils électroniques numériques de radio-activé a incité l&#39;utilisation de petits enregistreurs et des stimulateurs neuromusculaires sans fil pour étudier le comportement en vol des insectes. Cette technologie permet le développement d&#39;un système hybride insectes machine en utilisant une plate-forme d&#39;insecte vivant décrit dans ce protocole. En outre, ce protocole présente la configuration du système et de vol des procédures expérimentales gratuits pour évaluer la fonction des muscles de vol dans un insecte untethered. Pour la démonstration, nous avons ciblé le troisième muscle axillaire sclérite (3AX) pour contrôler et obtenir tournant à gauche ou à droite d&#39;un scarabée volant. Une électrode de fil d&#39;argent mince a été implanté sur le muscle 3AX de chaque côté du dendroctone. Ceux - ci ont été connectées aux sorties d&#39;un sac à dos sans fil ( à savoir, un stimulateur électrique neuromusculaire) monté sur le pronotum du dendroctone. Le muscle a été stimulé en vol libre en alternant le côté de stimulation (gauche ou droite) ou varier la stimulation fréquence. Le coléoptère se tourna vers le côté ipsilatéral lorsque le muscle a été stimulé et présentait une réponse graduée à une fréquence croissante. Le processus d&#39;implantation et le volume étalonnage de la dimension système de caméra de capture de mouvement 3 doivent être réalisées avec soin pour éviter d&#39;endommager le muscle et perdre la trace du marqueur, respectivement. Cette méthode est très bénéfique pour étudier vol des insectes, car il contribue à révéler les fonctions du vol musculaire d&#39;intérêt en vol libre.

La procédure électrode d&#39;implantation est présentée à la figure 2 électrodes en fil d&#39;argent mince ont été implantés dans le muscle 3AX du dendroctone à travers de petits trous percés sur la cuticule molle sur le muscle (figures 2d - e).. Cette cuticule molle se trouve juste au- dessus du muscle apodema basalar après avoir enlevé la partie antérieure de la metepisternum (figures 2d - c).</st...

Watch this Scientific Journal Video about Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle Mercynorrhina torquata at JoVE.com

Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle Mercynorrhina torquata

This protocol describes the process of constructing an insect-machine hybrid system and carrying out wireless electrical stimulation of the flight muscles required to control the turning motion of a flying insect.

Insect-machine à système hybride: Radio Control à distance d&#39;un scarabée volant librement (<em&gt; Mercynorrhina torquata</em&gt;)

The rise of radio-enabled digital electronic devices has prompted the use of small wireless neuromuscular recorders and stimulators for studying in-flight ...

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Insect-machine Hybrid System: Remote Radio Control of a Freely Flying Beetle (Mercynorrhina torquata)

Localizing Protein in 3D Neural Stem Cell Culture: a Hybrid Visualization Methodology

Localisation des protéines en 3D de la culture de cellules souches neuronales: une méthodologie de visualisation hybride

The importance of 3-dimensional (3D) topography in influencing neural stem and progenitor cell (NPC) phenotype is widely acknowledged yet challenging to ...

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Neurosciences

Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish

À long terme de suivi comportemental de librement piscine faiblement poisson électrique

Long-term behavioral tracking can capture and quantify natural animal behaviors, including those occurring infrequently. Behaviors such as exploration and ...

A Simplified Method for Ultra-Low Density, Long-Term Primary Hippocampal Neuron Culture

Une méthode simplifiée pour les ultra-basse densité, à long terme primaire hippocampique Neuron Culture

Culturing primary hippocampal neurons in vitro facilitates mechanistic interrogation of many aspects of neuronal development. Dissociated embryonic ...

Optical Control of a Neuronal Protein Using a Genetically Encoded Unnatural Amino Acid in Neurons

Contrôle optique d&#39;une protéine Neuronal L&#39;utilisation d&#39;un acide aminé Unnatural génétiquement codificateur dans Neurones

Photostimulation is a noninvasive way to control biological events with excellent spatial and temporal resolution. New methods are desired to ...

Neuropharmacological Manipulation of Restrained and Free-flying Honey Bees, Apis mellifera

Neuropharmacological Manipulation of Restrained and Free-flying Honey Bees, Apis mellifera

Manipulation neuropharmacologiques de Restrained et vol libre abeilles,<em&gt; Apis mellifera</em

Honey bees demonstrate astonishing learning abilities and advanced social behavior and communication. In addition, their brain is small, easy to visualize ...

Recording EEG in Freely Moving Neonatal Rats Using a Novel Method

Enregistrement d&#39;EEG dans des rats néonatals à déplacement libre à l&#39;aide d&#39;une nouvelle méthode

EEG is a useful method to detect electrical activity in the brain. Moreover, it is a widely used diagnostic tool for various neurological conditions, such ...

Noninvasive EEG Recordings from Freely Moving Piglets

Enregistrements EEG non invasive de bouger librement des porcelets

The method allows the recording of high-quality electroencephalograms (EEGs) from freely moving piglets directly in the pigpen. We use a one-channel ...

Long-term Sensory Conflict in Freely Behaving Mice

À long terme conflit sensoriel en comportement librement souris

Long-term sensory conflict protocols are a valuable means of studying motor learning. The presented protocol produces a persistent sensory conflict for ...

Hybrid Microdrive System with Recoverable Opto-Silicon Probe and Tetrode for Dual-Site High Density Recording in Freely Moving Mice

Système hybride de micropropulsion avec sonde opto-Silicon récupérable et tetrode pour l'enregistrement à haute densité de dual-Site dans les souris en mouvement libre

Multi-regional neural recordings can provide crucial information to understanding fine-timescale interactions between multiple brain regions. However, ...

Wireless Electrophysiological Recording of Neurons by Movable Tetrodes in Freely Swimming Fish

Enregistrement électrophysiologique sans fil des neurones par les tetrodes mobiles dans les poissons nageant librement

The neural mechanisms governing fish behavior remain mostly unknown, although fish constitute the majority of all vertebrates. The ability to record brain ...