Affinity Photo has been described as an Adobe Photoshop alternative, and is compatible with common file formats such as Adobe's PSD (including Photoshop Smart Objects).[9][10][11] Functionality includes RAW processing, color space options, live preview of effects, image stitching, alpha compositing, black point compensation, and optical aberration corrections.[2] Working in Affinity Photo is always live, with pan and zoom at 60fps and non-destructive editing. It supports unlimited layers and a dedicated workspace for developing RAW photos; as well as RGB, CMYK, LAB, Greyscale color spaces with ICC color management and 16-bit per channel editing.[12][2]
Serif established an R&D team for Affinity Photo in 2009, headed by lead designer Andy Somerfield. A free beta test version was released to the public on 9 February 2015.[17] The initial stable release of Affinity Photo, version 1.3.1, launched on the Mac App Store on 9 July 2015 for macOS 10.7 and later.[5] In August Version 1.3.5 was released providing numerous bug fixes and improvements.[18] Version 1.4, in December 2015, added panorama photo stitching, support for macOS 10.11 El Capitan including six Affinity extensions for Apple Photos,[19] and augmented the languages supported in previous versions (English (US and UK), German, French and Spanish) with Italian, Portuguese (Brazilian), and Japanese. Versions 1.4.1 and 1.4.2 in January and June 2016 provided stability and bug fixes, and the app was optimized for macOS 10.12 Sierra with version 1.4.3 in September 2016.[18]
The macOS version of Affinity Photo was received favorably by professional photographers, and Apple named it as the best Mac app of 2015.[28][29] In 2016, Affinity Photo was awarded the prize for Best Imaging Software by the Technical Image Press Association (TIPA) at Photokina.[30][31][29] In November 2017, the iOS app was named by Apple as its best iPad app of the year,[32][33] and Tom's Guide selected Affinity Photo for their first list of Best Tech Values.[34][35] In February 2019, Affinity Photo received Amateur Photographer's Software of the Year award,[36] followed by Photography News' Best Software award in March 2019.[37]
Surfaces having dynamic control of interactions at the biological system-material interface are of great scientific and technological interest. In this work, a supramolecular platform with switchable multivalent affinity was developed to efficiently capture bacteria and on-demand release captured bacteria in response to irradiation with light of different wavelengths. The system consists of a photoresponsive self-assembled monolayer containing azobenzene (Azo) groups as guest and β-cyclodextrin (β-CD)-mannose (CD-M) conjugates as host with each CD-M containing seven mannose units to display localized multivalent carbohydrates. Taking the advantage of multivalent effect of CD-M, this system exhibited high capacity and specificity for the capture of mannose-specific type 1-fimbriated bacteria. Moreover, ultraviolet (UV) light irradiation caused isomerization of the Azo groups from trans-form to cis-form, resulting in the dissociation of the host-guest Azo/CD-M inclusion complexes and localized release of the captured bacteria. The capture and release process could be repeated for multiple cycles, suggesting good reproducibility. This platform provides the basis for development of reusable biosensors and diagnostic devices for the detection and measurement of bacteria and exhibits great potential for use as a standard protocol for the on-demand switching of surface functionalities.
June 30, 2023
Nikon Z 70-180mm f/2.8 Good news for Nikon Z shooters! Nikon has added two new lenses to its Z-series line: the Nikkor Z 70-180mm f/2.8 and the Z 180-800mm f/5.6-6.3 VR. While the latter is best left to wildlife and sports photographers, we think that the Z 70-180mm f/2.8 model looks like a solid lightweight alternative to its more established...
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