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The topology of the G-quadruplex structure can be determined by monitoring the positive or negative circular dichroism (CD) signals at specific wavelengths. [88] Parallel G-quadruplexes have negative and positive CD signals at 240 and 262 nm, respectively, whereas antiparallel G-quadruplexes place these signals at 262 and 295 nm, respectively.
CDemu is a free and open-source virtual drive software, designed to emulate an optical drive and optical disc (including CD-ROMs and DVD-ROMs) on the Linux operating system.. As of 30 June 2019, CDemu is not available in the official repositories of Debian, Ubuntu and Fedora Linux for any release, but it is available via official PPA for Ubuntu and COPR for Fedora Linux.
Starting in 2014, Lenovo changed the design of the ThinkPad bay adapter and dropped the "UltraBay" terminology from use. What remained (in the ThinkPad W540 product) was an option for a removable Serial ATA (SATA) "Caddy" accessory which, with a screw driver, allowed the optical drive to be replaced with a second 2.5 inch SATA storage device.
A Macintosh Quadra 660AV with a caddy-based CD drive. Caddies date at least to the Capacitance Electronic Disc, which used a caddy from 1981 to protect the grooves of the disc. [2] Some early CD-ROM drives used a mechanism where CDs had to be inserted into special cartridges, somewhat similar in appearance to a jewel case. Although the idea ...
Two-inch quadruplex videotape, the first practical and commercially successful videotape format; G-quadruplex, a four-stranded nucleic acid structure rich in guanine; C-quadruplex, a four-stranded nucleic acid structure rich in cytosine, found in I-motif DNA; Quadruplex, a building split into four apartments, similar to a duplex
G-DRIVE features support for FireWire 800, FireWire 400 and USB 2.0 connections. [20] (2020 Update. Also Thunderbolt 3, USB 3.0 and USB 3.1 Gen. 1 connections. [21]) The series also includes the G-DRIVE mini, a smaller version, and the G-DRIVE Q, which has more support options for FireWire 400, FireWire 800, USB 2.0 and eSATA ports in a single ...
An optical disc is designed to support one of three recording types: read-only (such as CD and CD-ROM), recordable (write-once, like CD-R), or re-recordable (rewritable, like CD-RW). Write-once optical discs commonly have an organic dye (may also be a ( phthalocyanine ) azo dye , mainly used by Verbatim , or an oxonol dye, used by Fujifilm [ 4 ...
This device is now called ZERO-CD. Ozerocdoff is a solution to switch off the ZERO-CD and allow the modem to be a used as a modem. [7] [citation needed] USB_ModeSwitch: It is a virtual CD-ROM switching utility. From version 1.0.3 upwards there is a simple framework for integrating the switching with udev (the device manager) to make it fully ...