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Mz9.5 stereomicroscope

Manufactured by Leica
Sourced in Germany, United Kingdom

The MZ9.5 is a stereomicroscope designed and manufactured by Leica. It provides magnification capabilities for detailed visual observation and inspection of specimens. The MZ9.5 features optics that enable stereoscopic viewing, allowing for the perception of depth and three-dimensional images.

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10 protocols using mz9.5 stereomicroscope

1

Morphometric Analysis of Newly Described Camponotus Ants in Madagascar

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All morphological observations were made with a Leica MZ9.5 stereomicroscope. We morphometrically investigated 307 individual workers belonging to 215 collecting events for the eleven newly described species and six redescribed species. Camponotus samples were collected across Madagascar by BLF and the Madagascar Biodiversity Center team (Table 1). The material is deposited in the California Academy of Sciences (CAS), San Francisco, USA. Data for all pinned specimens examined in this study are available on the web portal AntWeb (https://www.antweb.org) and can be accessed using their unique identifying specimen code (e.g., CASENT0188388). Images are linked to their specimens via the unique specimen code affixed to each pin. Type material and samples used in the morphometric analysis are given for each species after "Additional material examined" in the following order: Province, locality name, latitude, longitude, elevation (m), habitat, collector and abbreviation of depository. The most common collectors are abbreviated as follows:
BLF BL Fisher and the Madagascar Biodiversity Center team
FGAT Fisher-Griswold Arthropod Team
ARA Andrianjaka Ravelomanana
PSW Phil Ward
MG Madagascar Malaise trap program by Mike Irwin and Rasolondalao Harin’hala Hasinjaka
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2

Cardiac Tissue Mechanics Characterization

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Gelatin MTF substrates with engineered cardiac tissues were transferred to a 35 mm Petri dish and soaked in Tyrode's solution (1.8 mM CaCl2, 5 mM glucose, 5 mM HEPES, 1 mM MgCl, 5.4 mM KCl, 135 mM NaCl, 0.33 mM of NaH2PO4, pH 7.4). The dish was placed on the stage of a Leica MZ9.5 stereomicroscope (Wetzlar, Germany). Using fine forceps, the excess gelatin and tissue surrounding the MTFs was removed and discarded and each MTF was gently peeled from the glass coverslip. The dish was then placed in a heating block to restore 37°C within the bath and field stimulation electrodes were inserted into the top of the dish. Rows of contracting MTFs were recorded at 100 frames per second using a Basler A601f-2 camera (Exton, PA) while pacing from 1-6 Hz at 5-7 V using a MyoPacer Cell Stimulator (IonOptix, Milton, MA).
To convert movies to stress measurements, movies were thresholded and the radius of curvature for each MTF was calculated using the x-projection and original length [18 (link)]. The radius of curvature, thickness, and elastic modulus of each MTF was used to calculate stress using modified Stoney's equation [31 (link)]. For each MTF, the average diastolic, systolic, and twitch (difference between systolic and diastolic) stresses were calculated, averaged, and compared using student's t-test.
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3

Transgenic Mice Generation and Analysis

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All mice were used according to federal guidelines and as approved by the Cleveland Clinic Institutional Animal Care and Use Committee. Reporters and their flanking insulator sequences were excised from the pWHERE plasmid backbone by digestion with PacI. Transgenic mouse founders were generated by standard pronuclear injection of fertilized mouse oocytes from B6SJL hybrid mice and were bred with wild-type 129x C57BL/6J hybrid partners to derive mouse lines. Transgenic founders and progeny were genotyped by PCR using primers matching the pWHERE-specific lacZ sequence (5′: AGTTGAGGCTGACACTGTTGTG; 3′: GTCTCTGAGTTCTCCACACATCTG; 523-bp product). Standard protocols were used to stain whole embryos and postnatal tissues with X-gal and to stain frozen sections of paraformaldehyde-fixed samples with X-gal and nuclear fast red (19 (link),29 (link)). SOX9 immunostaining was performed as previously described (19 (link)), but after X-gal staining. Whole embryos were visualized using an MZ95 stereomicroscope (Leica) and histology sections using a DM2500 microscope (Leica). All images were acquired with a MicroPublisher 5.0 RTV digital camera using QCapture Pro 6.0 software (QImaging). They were processed with Photoshop CS6 (Adobe) software.
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4

Genital Musculature in Tephritoidea Flies

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The terminology of the genital sclerites mainly follows White et al. (1999) , Kameneva (2000) , Galinskaya (2012) , and Sinclair (2000) .
Musculature of the male genitalia was studied by manually dissecting material (preserved fresh in 70% alcohol) with microknives in water under a Leica MZ95 stereomicroscope. The illustrations were obtained using the image capture function of the Leica MZ95 trinocular head and subsequently processed.
The male genital muscles of Tephritoidea were classified into several groups: muscles of the epandrial complex, muscles of the hypandrial complex, tergosternal muscles, and pregenital muscles. The muscles are designated by numbers following the classification previously accepted by Ovtshinnikova (1989) .
List of abbreviations: cerc

– cerci

; epand

– epandrium

; bph

– basiphallus

; hypd

– hypandrium

; l scl

– lateral sclerite of hypandrium

; l sur

– lateral surstylus

; m sur

– median surstylus

; phapod

– phallapodeme

; sbepand scl

– subepandrial sclerite

; sec scl

– secondary sclerotisation of hypandrial membrane

; sur

– surstylus

; 8 stgst

– 8 syntergosternite

; M1–M19

– muscles

.
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5

Seedling Development and Stress Response

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Seedlings of the wild-type and FtsHi mutants were examined using a Leica MZ9.5 Stereomicroscope at days 4, 6, and 8 after germination. Plants grown in the field or exposed to stress conditions were photographed when they were 6 weeks old using a Canon 650D camera.
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6

Insect Specimen Preservation and Sorting

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Samples were stored in 80% EtOH in a freezer until the insects from this trap were sorted to ordinal level using a Leica MZ9.5 stereo microscope. After sorting, specimens were transferred into 96% EtOH. The sorting of the ca. 5,000 specimens took about 60 hours, and contained predominantly Coleoptera (ca. 500 specimens), Hymenoptera (ca. 1,500 specimens), and Diptera (ca. 2,000 specimens). These highly represented orders were kept separated while the orders represented by few specimens were combined in groups (Table 1, Fig 1).
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7

Histochemical GUS activity assay

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Detection of GUS activity was performed using 5-bromo-4-chloro-3-indoyl-β-D-glucuronide (X-Gluc) as described in67 (link), with modifications68 (link). Briefly, 4, 7 or 12 dps seedlings were infiltrated into fresh GUS substrate for 5 min (30,000 Pa) and then incubated for 72 h at 37 °C. Seedlings were, washed twice with water and preserved in 1x PBS-50% glycerol at 4 °C until observation under an Axioskop2 plus microscope (Zeiss) or a MZ9.5 stereomicroscope (Leica).
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8

Morphological Analysis of Insect Specimens

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Morphological terminology follows Anufriev and Emeljanov (1988) and Gnezdilov et al. (2014) . Photographs were taken using a Canon EOS 5D Mark IV camera with the lens Canon-MP-E-65mm f/2,8 1-5x Macro and the flash Canon Macro Twin-Lite MT-26EX-RT. Images were produced using Helicon Focus v. 7.6.4 and Adobe Photoshop СС 2019 software. The genital segments of male specimens examined were macerated in 10% potassium hydroxide (KOH) and figured in glycerine jelly (Brunel Micro Ltd, UK) using a Leica MZ9.5 stereomicroscope with a camera lucida. The map was prepared using Google Earth Pro (version 7.3) with map data sources as attributed in image.
The specimens examined are deposited in University of Delaware, Department of Entomology and Wildlife Ecology, Newark, Delaware, USA (UDCC); Smithsonian Institution, National Museum of Natural History, Washington, DC (USNM); Bernice P Bishop Museum of Natural History, Honolulu, Hawaii (BPBM); and the Zoological Institute of the Russian Academy of Sciences, Saint Petersburg, Russian Federation (ZIN).
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9

Herbarium-based Study of Central African Flora

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Herbarium material of the following institutions was studied: BR, BRLU, G, K, MO, P, WAG and YA. Descriptive terminology follows Robbrecht (1988) and Anonymous (1962) . Phytogeographical terminology follows White (1979) . Measurements and other given details are based on the study of herbarium specimens, using a Leica MZ95 stereomicroscope, and data derived from field notes. In the descriptions and key, inflorescence size does not include the corollas, and given colours (except flower colour) are for dried material. Inflorescences are described as uniflorous (one flower only), pauciflorous (2 to 9 flowers) or multiflorous (10 to up to 50 flowers). Flowering and fruiting periods are given as cited on the collector’s labels.
Specimens are cited per country, alphabetically by first collector. All cited specimens have been seen. Coordinates are given to minute-level for each specimen. In the specimen citations “sl” and “sd” indicate that collection locality and date, respectively, are missing on the herbarium label. The conservation status was assessed by applying the IUCN Red List Category criteria (IUCN 2012 ) using the Geospatial Conservation Assessment Tools in GeoCAT (Bachman et al. 2011 ). The key covers the countries Nigeria, Cameroon, Equatorial Guinea, Gabon, Congo and D.R.Congo.
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10

Stereomicroscopy and SEM Imaging of Insect Specimens

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Specimens were examined with a Leica MZ 9.5 stereomicroscope; morphological measurements were taken by using an ocular graticule. Male genitalia were examined after being cleared in a hot 10% KOH solution and then placed on the same card as the specimen in water-soluble dimethyl hydantoin formaldehyde resin (DMHF). Illustrations were made using a drawing tube attached to an Olympus CH-2 compound microscope. SEM micro graphs were taken using a Tescan Lyra3 GMU FIB Scanning Electron Microscope and JEOL JSM-7401F Field Emission Scanning Electron Microscope, and edited with Adobe Photoshop 9.0.2. software. Digital images were taken using a Nikon Coolpix 4500 digital camera attached to a Leica MZ 9.5 trinocular stereomicroscope; images of the same specimen at different focal planes were combined with Helicon Focus 5.2 Pro and edited with Adobe Photoshop 9.0.2. software.
Data from locality labels are cited verbatim for the type specimens only, and comments are placed in square brackets. Separate labels are indicated by double slashes ( // ). Locality data of the specimens from Iran collected by the expeditions of the National Museum in Prague are specifi ed and/or supplemented by coordinates according to HOBERLANDT (1974 HOBERLANDT ( , 1981 HOBERLANDT ( , 1983)) .
The terminology of body setation follows WERNER & CHANDLER (1995) .
The acronyms of the specimen depositories are:
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