Jaubert Compound Microscope (circa 1850s)


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Methylphenidate Movies

Methylphenidate Video No. 1 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 9.4 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.93 MB).

Methylphenidate Video No. 2 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 8.6 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (3.70 MB).

Methylphenidate Video No. 3 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 8.9 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (3.70 MB).

Methylphenidate Video No. 4 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 9.6 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (4.13 MB).

Methylphenidate Video No. 5 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 10.7 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (4.54 MB).

Methylphenidate Video No. 6 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 7.5 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (3.29 MB).

Methylphenidate Video No. 7 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 7.5 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.50 MB).

Methylphenidate Video No. 8 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 6.9 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (2.90 MB).

Methylphenidate Video No. 9 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 9.8 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (4.12 MB).

Methylphenidate Video No. 10 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 9.8 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (4.12 MB).

Methylphenidate Video No. 11 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 10x in this video. Playing time is 11.8 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.10 MB).

Methylphenidate Video No. 12 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 6.9 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.44 MB).

Methylphenidate Video No. 13 - Methylphenidate dissolution is observed under polarized light illumination at a magnification of 20x in this video. Playing time is 7.7 seconds. Choose a playback format that matches your connection speed: 28.8k (modem), 56.6k (modem), or T1/Cable/DSL, or download this video clip in MPEG format (1.59 MB).

Methylphenidate is a mild central nervous system stimulate that is believed to exert its effect through activation of the brain stem arousal system and cortex. Ritalin is used primarily to treat attention deficit disorders and narcolepsy. The drug has a stabilizing effect for children with behavioral syndromes such as distractibility, short attention span, hyperactivity, emotional ability, and impulsiveness.

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