SE DEBE SOLICITAR COTIZACIÓN DE ENVÍO PARA ARTÍCULOS DE GRAN TAMAÑO
$ 640.25 USD
Power for any size crew to make professional measurements. The TruPulse L2 laser rangefinder is...
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$ 390.00 USD
The TRX-3S receiver is an essential tool for professionals who require reliability and precision. Available with 8 disposable AAA batteries or a rechargeable 8-cell pack, this receiver adapts to your specific power needs. Customize it further with antenna mounting options, from a rubber grip or pistol grip to standalone use. Includes carrying case, charger, and external power adapter, depending on the model. Designed to operate in frequencies from 148-225 MHz, the TRX-3S ensures you always have a strong and clear connection.
| Engineering Specifications | |
|---|---|
| Noise Figure: | 2.8 dB typical |
| Input Impedance: | 50 ohms |
| Frequency Range: | 3 channels 10 KHz wide, spaced 40 KHz apart, in the 148-222 MHz frequency range |
| Frequency Stability: | +/- 2 KHz from -20 to +120 degrees F or better |
| Image and Spurious Rejection: | 45 dB or better |
| Minimum Discernible Signal: | -148 dBm (0.01 microvolts) or better |
| Circuit Design: | Superheterodyne conversion with 2-pole 22.4 KHz crystal filter (6 dB down, passband) |
| Manual Gain Control Range: | 70 dB |
| Tuning: | Channels spaced 10 KHz apart, tuned by quartz-locked digital synthesizer. Fine VCXO tuning +/- 5 KHz |
| Sweep: | Not applicable |
| Frequency Restability: | +/- 2 KHz or better |
| Signal Measurement: | 0-1 scale, minimum signal to activate: 140 dBm, dynamic range of 30 dB |
| Noise Suppression Circuit: | Not applicable |
| Operating Voltage: | 9-14 volts DC |
| Battery Pack: | 8 disposable AAA batteries or optional internal nickel-cadmium rechargeable battery |
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$ 351.75 USD
Las cámaras de plancton tubular se utilizan para el análisis microscópico de muestras de plancton. El proceso de sedimentación se lleva a cabo dentro del cilindro de inspección original para evitar cualquier falsificación de las muestras durante la manipulación. La cámara consta de un tubo de plexiglás con un anillo base de metal desenroscable que sostiene una placa base delgada de solo 0,2 mm. El análisis de la muestra se realiza en microscopios invertidos. Nuestro volumen de suministro incluye una cámara, una placa de cubierta de vidrio y un juego de 50 placas base de vidrio.
Cámaras Tubulares de Placton
Tubular Plankton Chamber, Cámaras Tubulares de Placton, Cámara Tubular de Placton, Tubular Plankton Câmaras, Tubular Plankton Chambers
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$ 39.00 USD
Las banderas fluorescentes Glo se pueden ver fácilmente y están hechas de vinilo. 1-3/16” de...
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Determina el flujo descendente de agua a través del césped y el suelo. Utilice este...
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$ 580.00 USD
¡Determine la tasa de infiltración de su césped fácilmente para mantener las enfermedades del césped...
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$ 29.95 USD
Turtles of the World reveals the extraordinary diversity of these amazing reptiles. Characterized by the bony...
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$ 93.50 USD
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$ 253.50 USD
Ideal para remolques horizontales o verticales en agua dulce o salada. El tamaño más grande es bueno para agua salada y el más pequeño para lagos claros. Conecte una línea de 1/8” a la parte superior y remolque lentamente, regulando la profundidad por velocidad. Para el muestreo horizontal, adjunte el cable de peso de línea número de pieza 426-E50.
Turtox Tow Net, red de fitoplancton, red de zooplancton, redes de zooplancton, redes de fitoplancton, Redes de Arrastre Turtox, redes para fitoplacton, red para fitoplacton, redes para zooplacton, red para zooplacton
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The DLAB MX-M magnetic stirrer delivers reliable performance for your daily mixing applications. Its powerful brushless motor and adjustable speed control ensure homogeneous and precise results. The aluminum alloy plate with ceramic coating guarantees chemical resistance and long service life. Designed for academic, research, and industrial laboratories, the MX-M combines efficiency, durability, and safety in a single device.
| Specifications | |
|---|---|
| Model | MX-M |
| Speed range | 0 – 1500 rpm |
| Max. stirring capacity | 3 L (H₂O) |
| Stirring plate diameter | Φ 135 mm |
| Plate material | Aluminum alloy with ceramic coating |
| Motor | Brushless DC motor |
| Dimensions | 150 × 260 × 80 mm |
| Weight | 1.8 kg |
| Protection rating | IP21 |
| Power supply | 100-240 V, 50/60 Hz |
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$ 19.99 USD
Leave No Trace” con la mini estufa de camping Etekcity de combustión limpia. Esta estufa...
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$ 799.00 USD
The UltraNet® is a professional tool designed to quickly, safely, and humanely stop animals, birds, or even moving drones. Thanks to its CO₂-powered system and ultra-strong Dyneema nets, it provides a non-lethal capture method used worldwide by scientists, rescue teams, animal control officers, and security forces. Compact, lightweight, and highly reliable, UltraNet delivers precision with every shot, ensuring an optimal capture range of 3 to 9 meters.
| Specification | Detail |
|---|---|
| Brand | UltraNet® |
| Model | 1, 2, 3, or 4 Head Kit |
| Length | 311 mm (12 1/4” x 3 1/2”) |
| Weight (loaded) | 1.36 kg (3 lbs) |
| Net Speed | 15 m/s (50 fps) |
| Effective Range | 3 – 9 m (12 – 30 ft) |
| Propulsion | CO₂, 16 g unthreaded cartridges |
| Net Material | Dyneema / HPPE |
| Net Sizes | Small (5 cm) / Medium (10 cm) / Large (20 cm) |
| Case | Waterproof and rugged tactical case (color may vary) |
| Kit | Heads | Included Nets | Included CO₂ Cartridges | Available Varieties |
|---|---|---|---|---|
| UltraNet® 1-Head Kit | 1 | 1 preloaded net | 5 cartridges |
Bird Specialist (1x 5cm) Pest Control (1x 5cm or 1x 10cm) Dog Capture (1x 10cm) |
| UltraNet® 2-Head Kit | 2 | 2 preloaded nets | 10 cartridges |
Bird Specialist (2x 5cm) Pest Control (1x 5cm + 1x 10cm) Dog Capture (2x 10cm) |
| UltraNet® 3-Head Kit | 3 | 3 preloaded nets | 15 cartridges |
Bird Specialist (3x 5cm) Pest Control (2x 5cm + 1x 10cm) Pest Control (1x 5cm + 2x 10cm) Dog Capture (3x 10cm) Eagle Explorer (1x 5cm + 1x 10cm + 1x 20cm) |
| UltraNet® 4-Head Kit | 4 | 4 preloaded nets | 20 cartridges |
Bird Specialist (4x 5cm) Pest Control (2x 5cm + 2x 10cm) Dog Capture (4x 10cm) Eagle Explorer (1x 5cm + 2x 10cm + 1x 20cm) |
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The u384 is a high-sensitivity, low-noise USB microphone with ultra-low power consumption in a durable...
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The u256 is a high-sensitivity, low-noise USB microphone with ultra-low power consumption in a durable...
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Our understanding of dinosaur behavior has long been hampered by the inevitable lack of evidence...
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Birds are intelligent, sociable creatures that exhibit a wide array of behaviors—from mobbing and mimicking...
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Unnatural Selection is a stunningly illustrated book about selective breeding—the ongoing transformation of animals at...
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Leading ecologists discuss some of the most compelling open questions in the field today. *Unsolved...
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Ideal para el viajero amante de la naturaleza, Vida salvaje de Australia es una útil...
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Experience the freedom of keeping all your devices charged wherever you are. The USAMS PB68 combines a massive 30,000mAh capacity with 65W PD fast charging technology, ideal for laptops, tablets, consoles, and smartphones. Built with durable ABS+PC, its portable size and lightweight design make it your perfect ally for travel, office, or outdoor activities, always ensuring maximum safety and efficiency.
| Specification | Model/Value |
|---|---|
| Model | PB68 PD3.0 QC3.0 Yattu Series - US-CD185 |
| Capacity | 30000mAh |
| Rated Capacity | 18000mAh |
| Rated Energy | 111Wh |
| Maximum Power | 65W |
| USB-C Input | 5V=3A / 9V=3A / 12V=3A / 15V=3A / 20V=2.25A (45W Max) |
| USB-C Output | 5V=3A / 9V=3A / 12V=3A / 15V=3A / 20V=3.25A (65W Max) |
| USB 1 Output | 5V=4.5A / 5V=3A / 9V=2A / 12V=1.5A (22.5W Max) |
| USB 2 Output | 5V=3A / 9V=2A / 12V=1.5A (18W Max) |
| Size | 164 × 70 × 35 mm |
| Weight | Approx. 610 g |
| Material | ABS + PC |
| Compatibility | Laptop, Tablet, Smartphone, Nintendo Switch, and more |
| Supported Protocols | PD / QC / SCP / FCP / AFC / PPS |
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$ 150.00 USD
Made of aluminium, this support allows the our Utermöhl base plate to be adapted to...
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$ 23.00 USD – Vendido
Esta camiseta de algodón ligero es fácil y fresca con un cuello en V semiajustado...
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Avian vagrancy—the appearance of birds outside of their expected habitat—is a phenomenon that has fascinated...
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Velo plegable: El Packable Veil presenta una parte superior de malla abierta con cordón elástico...
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$ 49.95 USD
Frescos, livianos y flexibles, estos polainas de serpiente están construidos con cuatro capas de poliamida...
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$ 184.00 USD
The vertical mounting bracket is designed to provide firm and secure support for AVIX Autonomic...
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$ 210.75 USD
Este producto es vendido por BIOWEB en países de América pero si estás en Estados...
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Victor® Snake-A-Way® granular repellent is an effective solution for keeping away both venomous and non-venomous snakes. Its long-lasting formula temporarily disrupts the sensory perception of snakes without harming them, with a 91% effectiveness against rattlesnakes and garter snakes. It is EPA-registered and applied around the perimeter of areas to be protected, covering from 819 m² to 1.4 hectares. It contains naphthalene (7%) and sulfur (28%) and lasts 2 to 3 months after each application. Ideal for protecting homes, sheds, gardens, and more.
Victor® Snake-A-Way® granular repellent has been tested by an external laboratory to be an effective repellent against both venomous and non-venomous snakes. It can be used to protect cabins, homes, sheds, trailers, garages, and flower beds from snake intrusion.
The Jacobson's organ is a special olfactory organ used by snakes that helps them detect environmental stimuli. In fact, the Jacobson's organ is a key survival tool for these reptiles. Victor® Snake-A-Way® snake repellent granules affect the Jacobson's organ, and snakes flee from the now-protected area in search of air free of the repellent.
Victor® Snake-A-Way® contains a unique formula that is third-party tested and effective against even the toughest snakes. This long-lasting snake repellent can be used to repel rattlesnakes and garter snakes from areas around houses, cabins, trailers, garages, flowerbeds, and more.
Snake-A-Way®’s unique formula works to temporarily disrupt the snake’s Jacobson’s Organ (auxiliary olfactory sense organ), on which a snake relies for its survival. This successfully causes a snake to become disoriented, forcing it to retreat in search of fresh air.
Wearing gloves, spread Snake-A-Way® granules along the perimeter of the area you want to protect to create a long-lasting snake barrier. Once applied, the formula starts working, and lasts until the scent dissipates. To repel rattle snakes, sprinkle in bands 8-12 inches wide, and to repel garter snakes, sprinkle Snake-A-Way® in bands 4-5 inches wide.
Snake-A-Way® is EPA registered which means, when used as directed, it will not have adverse effects on humans or the environment.
| Victor® Snake-A-Way® Snake Repellent Granular | |
|---|---|
| Model # | CVP363G |
| Available Sizes | 1.75 lb, 4 lb, 10 lb, 28 lb |
| Presentation | Granules |
| For Use Against | Venomous and Non-Venomous snakes |
| Bottle Type | Bottle with shaker top |
| Bottle Dimensions | Height: 8" / Width: 4" |
| Features |
|
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$ 53.99 USD
Fabricado según el estándar militar R236-GB108. Elegantes pantalones tipo cargo hechos de sarga de poliéster/algodón...
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Viruses, which are parasites that are often hundreds of times smaller than bacteria, exist in...
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Viruses are everywhere, and as the COVID-19 pandemic has shown, cannot be ignored. From their...
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For all our hubris, humans can be felled rapidly by an invisible enemy: viruses. All...
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$ 100.00 USD
Las VI Alpha Tags son pequeñas etiquetas fluorescentes con un código alfanumérico diseñadas para identificar animales individuales. Las etiquetas VI Alpha se implantan internamente pero permanecen visibles externamente para una fácil recuperación. Las nuevas VI Alpha Tags se introdujeron en 2010.
Las etiquetas VI Alpha están disponibles en dos tamaños: estándar (1,2 mm x 2,7 mm), que se muestra en amarillo, y grande (2 mm x 5 mm), que se muestra en naranja. Las etiquetas más grandes son más fáciles de leer que las etiquetas estándar y son adecuadas para animales más grandes.
Las etiquetas grandes tienen letras negras sobre un fondo naranja fluorescente, mientras que las etiquetas estándar están disponibles con letras negras sobre un fondo naranja fluorescente, rojo, amarillo o verde. Cada color tiene 2.500 códigos diferentes. Los códigos disponibles son las combinaciones de letras, números y números de A00 a Z99 (excluyendo Q00-Q99).
La legibilidad y la detección de etiquetas se pueden mejorar mediante la fluorescencia de las etiquetas con VI Light.
Las etiquetas VI Alpha son fáciles de cargar. Deslice la etiqueta en la aguja y quítela.
Cada 100 etiquetas pedidas deberán ser del mismo color, y tendrán codificación consecutiva.
Póngase en contacto con nosotros para obtener asesoramiento sobre aplicaciones a especies particulares.
Etiqueta Tipo Implante Visible (VI Alpha) x 100 u, Implante Visível Tipo Etiqueta
Etiqueta, etiquetas, marca, marcas, tag, fish, fishes, pez, peces, anfibios, reptiles, frogs
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$ 1,315.90 USD
Este producto es vendido por BIOWEB en los países de América, pero si se encuentra en los Estados Unidos o Canadá, comuníquese directamente con el proveedor Northwest Marine Technology .
Visible Implant Elastomer (VIE) es un material a base de silicona de dos partes que se mezcla inmediatamente antes de su uso. Las etiquetas VIE se inyectan como un líquido que pronto se cura en un sólido flexible y biocompatible. Las etiquetas se implantan debajo de un tejido transparente o translúcido y permanecen visibles desde el exterior. En muchos anfibios, las etiquetas VIE son incluso visibles a través de la piel de pigmentación oscura. Las etiquetas VIE se utilizan ampliamente para marcar una variedad cada vez mayor de peces, crustáceos, reptiles, anfibios y pequeños mamíferos. Consulte algunos documentos a continuación. Hay disponible información detallada sobre el uso de VIE en el Manual del proyecto Visible Implant Elastomer Tag ( PDF en inglés de 294 KB ; PDF en español de 217 KB ).
VIE está disponible en seis colores fluorescentes y cuatro no fluorescentes. Los colores fluorescentes son muy visibles bajo la luz ambiental y brindan la opción de una detección de etiquetas muy mejorada cuando se emiten con la luz VI.
La selección adecuada del color es una parte vital de un buen diseño experimental. Su elección depende de cuánto contraste necesita con la pigmentación de fondo, cuántos colores diferentes necesita y el tipo de luz que usará para hacer fluorescentes las etiquetas.
VIE es un material a base de silicona de dos partes de grado médico que se mezcla inmediatamente antes de su uso y luego se inyecta como un líquido que se cura en un sólido flexible y biocompatible. Inmediatamente después de mezclar, el usuario tendrá entre 45 a 60 minutos (en ambientes cálidos) y 2 horas (en ambientes fríos) de tiempo de trabajo durante el cual se pueden inyectar las etiquetas.
El tiempo que se puede utilizar el elastómero preparado (el "tiempo de trabajo") depende de la temperatura del lugar. A temperatura ambiente normal (20°C), por lo general dura de 45 a 60 minutos antes de que sea demasiado espeso para empujarlo a través de la jeringa. Dura más cuando hace más frío y menos cuando hace más calor. El tiempo de trabajo se puede extender mucho manteniendo el elastómero preparado sin usar en hielo tanto como sea posible.
Para el elastómero sin mezclar, puede almacenarlo durante un año a partir de la fecha de compra en un armario, protegido de la luz solar o el calor. El elastómero sin mezclar nunca debe almacenarse en el congelador.
Si bien VIE se utiliza principalmente para la identificación de lotes, puede generar un esquema de codificación VIE combinando varias etiquetas, ubicaciones de etiquetas y colores. Por ejemplo, los investigadores que rastreaban caballitos de mar utilizaron este método para distinguir más de 500 caballitos de mar individuales a la vez.
Seis colores fluorescentes (rojo, amarillo, azul, naranja, verde y rosa) y cuatro colores no fluorescentes (negro, marrón, blanco y morado) constituyen los únicos códigos VIE intrínsecos. Si usa solo una etiqueta por pez, la cantidad de códigos únicos es simplemente el producto de la cantidad de colores utilizados y la cantidad de ubicaciones de etiquetas.
Sin embargo, si inyecta dos o más etiquetas en cada animal, en combinación con varias ubicaciones y colores diferentes, puede generar un amplio esquema de codificación VIE. En cualquier programa de etiquetado, es importante que todos los animales del estudio tengan el mismo número de etiquetas. De esa manera, no puede haber confusión entre los animales que perdieron las etiquetas y los que comenzaron con menos etiquetas.

Calcula la cantidad de códigos únicos que podrías crear usando la fórmula:
[L!/(LN)!N!] CN
Donde: C= Número de colores utilizados, L= Número de ubicaciones en el cuerpo y N = Número de etiquetas por animal.
Por ejemplo, tres ubicaciones del cuerpo utilizadas con cuatro colores (C = 4, L = 3, N = 3) proporcionarían: (3!/0!3!) 43 = 64 códigos únicos. Recuerda que 0!=1.
Puede descargar dos softwares para hacer este cálculo automático. Calculadora NMT o Salamarker . Ambos basados en windows. No disponible para iOS.
- Davy, Christina M., Suzanne M. Coombes; Amelia K. Whitear y Alistair S. MacKenzie. 2010. Elastómero de implante visible: un método simple y no dañino para marcar tortugas recién nacidas. Revista Herpetológica. 41(4), 442-445.
- Waudby, Helen P.; y Sophie Petit. 2011. Comentarios sobre la eficacia y el uso de Visible Implant Elastomer (VIE) para marcar lagartijas. El naturalista de Australia del Sur 85 (1): 7–13.
-Daniel, Jeremy A.; Kevin A. Baker y Kevin R. Bonine. 2006. Tasas de retención de métodos de marcado implantables y de superficie en el gecko doméstico mediterráneo (Hemidactylus turcicus), con notas sobre métodos de captura y tasas de muda de piel. Revisión herpetológica, 37(3), 319–321.
- Penney, Kistren M.; Kristie D. Gianopulos y Henry R. Mushinsky. 2001. La técnica de marcado de elastómero de implante visible en uso para pequeños reptiles. Revisión herpetológica, 32(4), 236-241.
- Hutchens, Tan J.; Christopher S. Deperno; Charlotte E. Matthews; Kenneth H. Pollock y David K. Woodward. 2008. Elastómero fluorescente de implante visible: una alternativa de marcaje confiable para serpientes. Revisión herpetológica, 39(3), 301–303.
- Kondo, Junko y Sharon J. Downes. Uso de elastómero de implante visible para marcar individualmente Geckos. Escuela de Botánica y Zoología, Universidad Nacional de Australia.
Etiqueta Tipo Implante Visible Elastómer (VIE), Tipo de etiqueta elastômero de implante visível
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$ 284.25 USD
This product is sold by BIOWEB Global in LATAM, but if you are in United States or Canada please contact the vendor Northwest Marine Technology directly.
NOTE: If you need more colors check the biggest kits of 24 and 60 ml. Also is available the trial pack for starter projects.
Visible Implant Elastomer (VIE) is a two-part silicone based material that is mixed immediately before use. VIE tags are injected as a liquid that soon cures into a pliable, biocompatible solid. The tags are implanted beneath transparent or translucent tissue and remain externally visible. In many amphibians, VIE tags are even visible through darkly pigmented skin. VIE tags are widely used for marking an ever-broadening range of finfish, crustaceans, reptiles, amphibians and small mammals. Check some papers below. Extensive information about using VIE is available in the Visible Implant Elastomer Tag Project Manual (English PDF 294KB; Spanish PDF 217KB).
VIE is available in six fluorescent and four non-fluorescent colors. The fluorescent colors are highly visible under ambient light and provide the option of greatly enhanced tag detection when fluoresced with the VI Light.
Proper color selection is a vital part of good experimental design. Your choice depends on how much contrast you need with the background pigmentation, how many different colors you require, and the type of light you will use to fluoresce the tags.
VIE is a medical-grade, two-part silicone based material that is mixed immediately before use and then injected as a liquid that cures into a pliable, biocompatible solid. Immediately after mixing, the user will have between 45 to 60 minutes (in warm environments) and 2 hours (in cold environments) of working time during which the tags can be injected.
The time that the prepared elastomer can be used (the "working time") depends on the temperature of the place. At normal room temperature (20°C), it usually lasts 45-60 minutes before it is too thick to push through the syringe. It lasts longer when it's colder and less when it's hotter. Working time can be greatly extended by keeping the unused prepared elastomer on ice as much as possible.
For unmixed elastomer, you can store it for one year from the date of purchase in a cupboard, away from sunlight or heat. The unmixed elastomer should never be stored in the freezer.
While VIE is primarily used for batch identification, you can generate a VIE coding scheme by combining multiple tags, tag locations, and colors. For example, researchers tracking seahorses used this method to distinguish more than 500 individual seahorses at one time.
Six fluorescent colors (red, yellow, blue, orange, green, and pink) and four non-fluorescent colors (black, brown, white, and purple) constitute the only intrinsic VIE codes. If you use just one tag per fish, the number of unique codes is simply the product of the numbers of colors used and the number of tag locations.
However, if you inject two or more tags in each animal, in combination with several different locations and colors, you can generate an extensive VIE coding scheme. In any tagging program, it is important that all of the study animals have the same number of tags. That way, there can be no confusion between animals which lost tags and those which began with fewer tags.

Calculate the number of unique codes you could create using the formula:
[L!/(L-N)!N!] CN
Where: C= Number of colors used, L= Number of body locations and N = Number of tags per animal.
For example, three body locations used with four colors (C = 4, L = 3, N = 3) would provide: (3!/0!3!) 43 = 64 unique codes. Recall that 0!=1.
You can download two softwares to do this automatic calculation. NMT Calculator or Salamarker. Both based in windows. Not available for iOS.
- Davy, Christina M.;, Suzanne M. Coombes; Amelia K. Whitear & Alistair S. MacKenzie. 2010. Visible Implant Elastomer: A simple, non-harmful method for marking hatchlings turtles. Herpetological Review. 41(4), 442-445.
- Waudby, Helen P.; & Sophie Petit. 2011. Comments on the efficacy and use of Visible Implant Elastomer (VIE) for marking lizards. The South Australian Naturalist 85(1): 7–13.
- Daniel, Jeremy A.; Kevin A. Baker & Kevin R. Bonine. 2006. Retention Rates of Surface and Implantable Marking Methods in the Mediterranean House Gecko (Hemidactylus turcicus), with Notes on Capture Methods and Rates of Skin Shedding. Herpetological Review, 37(3), 319–321.
- Penney, Kistren M.; Kristie D. Gianopulos & Henry R. Mushinsky. 2001. The Visible Implant Elastomer marking technique in use for small reptiles. Herpetological Review, 32(4), 236-241.
- Hutchens, Tan J.; Christopher S. Deperno; Charlotte E. Matthews; Kenneth H. Pollock & David K. Woodward. 2008. Visible Implant Fluorescent Elastomer: A reliable marking alternative for snakes. Herpetological Review, 39(3), 301–303.
- Kondo, Junko & Sharon J. Downes. Using Visible Implant Elastomer to Individually Mark Geckos. School of Botany and Zoology, Australian National University.
Etiqueta Tipo Implante Visible Elastómer (VIE), Tipo de etiqueta elastômero de implante visível
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$ 52.75 USD
This product is sold by BIOWEB Global in LATAM, but if you are in United States or Canada please contact the vendor Northwest Marine Technology directly.
Visible Implant Elastomer (VIE) is a two-part silicone based material that is mixed immediately before use. VIE tags are injected as a liquid that soon cures into a pliable, biocompatible solid. The tags are implanted beneath transparent or translucent tissue and remain externally visible. In many amphibians, VIE tags are even visible through darkly pigmented skin. VIE tags are widely used for marking an ever-broadening range of finfish, crustaceans, reptiles, amphibians and small mammals. Check some papers below. Extensive information about using VIE is available in the Visible Implant Elastomer Tag Project Manual (English PDF 294KB; Spanish PDF 217KB).
VIE is available in six fluorescent and four non-fluorescent colors. The fluorescent colors are highly visible under ambient light and provide the option of greatly enhanced tag detection when fluoresced with the VI Light.
Proper color selection is a vital part of good experimental design. Your choice depends on how much contrast you need with the background pigmentation, how many different colors you require, and the type of light you will use to fluoresce the tags.
VIE is a medical-grade, two-part silicone based material that is mixed immediately before use and then injected as a liquid that cures into a pliable, biocompatible solid. Immediately after mixing, the user will have between 45 to 60 minutes (in warm environments) and 2 hours (in cold environments) of working time during which the tags can be injected.
The time that the prepared elastomer can be used (the "working time") depends on the temperature of the place. At normal room temperature (20°C), it usually lasts 45-60 minutes before it is too thick to push through the syringe. It lasts longer when it's colder and less when it's hotter. Working time can be greatly extended by keeping the unused prepared elastomer on ice as much as possible.
For unmixed elastomer, you can store it for one year from the date of purchase in a cupboard, away from sunlight or heat. The unmixed elastomer should never be stored in the freezer.
While VIE is primarily used for batch identification, you can generate a VIE coding scheme by combining multiple tags, tag locations, and colors. For example, researchers tracking seahorses used this method to distinguish more than 500 individual seahorses at one time.
Six fluorescent colors (red, yellow, blue, orange, green, and pink) and four non-fluorescent colors (black, brown, white, and purple) constitute the only intrinsic VIE codes. If you use just one tag per fish, the number of unique codes is simply the product of the numbers of colors used and the number of tag locations.
However, if you inject two or more tags in each animal, in combination with several different locations and colors, you can generate an extensive VIE coding scheme. In any tagging program, it is important that all of the study animals have the same number of tags. That way, there can be no confusion between animals which lost tags and those which began with fewer tags.

Calculate the number of unique codes you could create using the formula:
[L!/(L-N)!N!] CN
Where: C= Number of colors used, L= Number of body locations and N = Number of tags per animal.
For example, three body locations used with four colors (C = 4, L = 3, N = 3) would provide: (3!/0!3!) 43 = 64 unique codes. Recall that 0!=1.
You can download two softwares to do this automatic calculation. NMT Calculator or Salamarker. Both based in windows. Not available for iOS.
- Davy, Christina M.;, Suzanne M. Coombes; Amelia K. Whitear & Alistair S. MacKenzie. 2010. Visible Implant Elastomer: A simple, non-harmful method for marking hatchlings turtles. Herpetological Review. 41(4), 442-445.
- Waudby, Helen P.; & Sophie Petit. 2011. Comments on the efficacy and use of Visible Implant Elastomer (VIE) for marking lizards. The South Australian Naturalist 85(1): 7–13.
- Daniel, Jeremy A.; Kevin A. Baker & Kevin R. Bonine. 2006. Retention Rates of Surface and Implantable Marking Methods in the Mediterranean House Gecko (Hemidactylus turcicus), with Notes on Capture Methods and Rates of Skin Shedding. Herpetological Review, 37(3), 319–321.
- Penney, Kistren M.; Kristie D. Gianopulos & Henry R. Mushinsky. 2001. The Visible Implant Elastomer marking technique in use for small reptiles. Herpetological Review, 32(4), 236-241.
- Hutchens, Tan J.; Christopher S. Deperno; Charlotte E. Matthews; Kenneth H. Pollock & David K. Woodward. 2008. Visible Implant Fluorescent Elastomer: A reliable marking alternative for snakes. Herpetological Review, 39(3), 301–303.
- Kondo, Junko & Sharon J. Downes. Using Visible Implant Elastomer to Individually Mark Geckos. School of Botany and Zoology, Australian National University.
Etiqueta Tipo Implante Visible Elastómer (VIE), Tipo de etiqueta elastômero de implante visível
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