Non-invasive Technique
Non-invasive Technique - Related Videos
07:34
Minimally-invasive Technique for Injection into Rat Optic Nerve
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Cited by 4 •
2015
Direct injection into the rat optic nerve is useful for regenerative research. We demonstrate a minimally-invasive technique for direct injection into a rat optic nerve that does not involve opening the skull. Using this method, surgical complications are minimized and recovery is more rapid.
11:29
Corneal Confocal Microscopy: A Novel Non-invasive Technique to Quantify Small Fibre Pathology in Peripheral Neuropathies
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Cited by 155 •
2011
Corneal Confocal microscopy is a non-invasive clinical technique which may be used to quantify C fibre damage to diagnose and stratify patients with increasing neuropathic severity.
10:16
Chick Heart Invasion Assay for Testing the Invasiveness of Cancer Cells and the Activity of Potentially Anti-invasive Compounds
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Cited by 4 •
2015
Here, we present a protocol to study the invasion of tumor cells into living normal tissue fragments in three dimensions. This organ culture technique is mainly applied to test potentially anti-invasive drugs in vitro.
08:34
Technique of Minimally Invasive Transverse Aortic Constriction in Mice for Induction of Left Ventricular Hypertrophy
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Cited by 34 •
2017
The aim of this protocol is to describe step-by-step the technique of minimally invasive transverse aortic constriction (TAC) in mice. By elimination of intubation and ventilation which are mandatory for the commonly used standard procedure, minimally invasive TAC simplifies the operative procedure and reduces the strain put on the animal.
05:51
Mouse Echocardiography: A Non-invasive Technique to Assess Cardiac Morphology
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2023
This video describes a protocol to perform echocardiography on a laboratory mouse.
FAQs
The choice of signal shapes what researchers can examine. Light, sound, electromagnetic fields, and naturally emitted biological markers can provide information from outside the body, while some approaches may also influence a living system externally. Matching the available signal with the biological question supports imaging, physiological monitoring, or observation of behavior without requiring surgical access.
Preserving tissue and cellular integrity helps observations reflect ordinary biological function rather than disruption caused by tissue penetration or surgical access. This is especially relevant when researchers need to observe dynamic processes as they occur. Reduced physical disturbance can therefore improve the usefulness of findings from living subjects and support studies of normal physiology or behavior.
Repeated measurements are valuable because they allow a living subject to be followed across time. A non-invasive approach can support monitoring of disease progression or treatment response while minimizing the disruption associated with each observation. This longitudinal use helps researchers compare changes within the same biological system instead of relying only on a single time point.
An investigation generally begins by selecting an external signal or naturally emitted marker relevant to the process under study. Researchers then collect information without penetrating tissue and relate the observations to imaging, physiology, behavior, disease progression, or treatment response. The same general approach can be repeated when the study requires ongoing monitoring of a living system.
Non-invasive technique has value when access to the living subject must be maintained during observation. In biology, applications include imaging, physiological monitoring, behavioral studies, and repeated assessment of changing conditions. Research and clinical settings can use these capabilities to track disease progression or evaluate treatment responses while limiting physical disruption to cells, tissues, and organisms.
These methods provide information about dynamic biological processes rather than only endpoint states. Depending on the approach, the outcome may be an image, a physiological observation, a behavioral record, or a measurement of change associated with disease or treatment. Their relevance to biology comes from linking externally obtained information with how living systems function over time.