ライフサイエンスコーパス: concentric

1 Capsid and RNA are concentric.

2 None of the PVF changes were bilateral or concentric.

3 remodeling can be classified as eccentric or concentric.

4 s 47%, with eccentric LVH more frequent than concentric.

5 n of hypertrophy (11 none, 9 asymmetrical, 3 concentric, 1 apical, 1 eccentric), and prognosis (prema

6 ntracutaneous excision axotomy followed by a concentric 4-mm overlapping biopsy at different time poi

7 The fiber sensors consist of four concentric, alternating layers of conductor and dielectr

8 Our images reveal concentric and contracting actomyosin II arcs/rings at t

9 e evaluated in terms of cellular S values in concentric and eccentric cell-nucleus arrangements and b

10 ic subgroups also had a higher prevalence of concentric and eccentric hypertrophy compared with non-H

11 Pressure and volume overload results in concentric and eccentric hypertrophy of cardiac ventricu

12 Concentric and eccentric remodeled anatomies resulted in

13 lly designed chemical compositions and tuned concentric and lengthwise dimensions of the DBTs enabled

14 servers' choices when discriminating between concentric and radial patterns presented in noise before

15 The topographic distribution of cones is concentric and reveals a central fovea and a temporal ar

16 7% of children had LVH (11% eccentric and 6% concentric) and 9% had concentric remodeling of the left

17 within the central 3 degrees and from three concentric annuli located between 3 degrees and 8 degree

18 The concentric arrangement of the ESI plume and the APCI pla

19 eukocyte functional antigen 1 (LFA-1) form a concentric array at the immunological synapse.

20 rotating disk electrode to be oxidized at a concentric Au ring electrode bearing a covalently linked

21 trol material, higher Mg calcite forms clear concentric bands around the algal cells.

22 oral dimension is organized in approximately concentric bands of equal rates across the superior temp

23 White matter was divided in concentric bands, each approximately 1-mm thick, radiati

24 ns in the regions with augmented ISSave, and concentric bipolar microelectrodes demonstrated elevated

25 ventricle responds to exercise with initial concentric but not eccentric remodeling during the first

26 ase was characterized by massive, symmetric, concentric cardiac hypertrophy; widespread cardiomyocyte

27 MR and multidetector CT was abnormal in both concentric (cardiac MR 25.1% +/- 4.2; multidetector CT 2

28 ll architecture with nanorod morphology, the concentric CdS nanorod phase junctions (NRPJs) obtained

29 rangium, the somatic tissues consist of four concentric cell layers that surround and support reprodu

30 e cells relaying the retinal input display a concentric, center surround organization that in part fo

31 we compared the synaptic circuits generating concentric centre-surround receptive fields in ON and OF

32 aploscopic eye-tracking apparatus presenting concentric circle targets without torsional cues.

33 -spiral tracks, minimal and less reliable on concentric-circle tracks, and absent on outward-bound ru

34 nm and arbitrary nanoscale features such as concentric circles and contiguous squares and triangles

35 Districts and concentric circles are special cases.

36 A concentric circles diagram was used as a research tool w

37 Doppler OCT was used to scan concentric circles of 3.4- and 3.75-mm diameters around

38 mmable potential landscapes generated by two concentric circles of light.

39 ue-100 (ONH protocol [12 radial lines and 13 concentric circles]), and 3D OCT-1000 (3D Scan 256 x 256

40 In this paper, we report the analysis of a concentric circular ring plasmonic optical antenna (POA)

41 pattern, consisting of 2- and 4-mm-diameter concentric circular scans, was divided into central, sup

42 opic and myopic defocus simultaneously using concentric contact lenses resulted in relatively smaller

43 ifference in property and functionality from concentric core-shell configuration.

44 Ag hybrid NPs can be continuously tuned from concentric core-shell, eccentric core-shell, acorn, to d

45 primary root tissues, which form a series of concentric cylinders around the central vascular tissue.

46 by studying a model system consisting of two concentric cylindrical dye aggregates in a light-harvest

47 reen sulfur bacterium Chlorobaculum tepidum, concentric cylindrical nanotubes were not observed.

48 and collagen fibers in inner adventitia form concentric densely packed fiber sheets, and the fiber or

49 Field experiments were conducted in a concentric design with the GR giant ragweed pollen sourc

50 ntric dilated (increased EDV, normal M/EDV), concentric dilated (increased M/EDV and EDV), and eccent

51 ilated in 20%, concentric nondilated in 29%, concentric dilated in 14%, and normal LVM in 25%.

52 ase, cause droplets of this phase to adopt a concentric director configuration around a central bend

53 exhibiting morphologically mild (13-16 mm), concentric disease was compared with 55 healthy athletes

54 lens equatorial plane, all compounds showed concentric distributions around the lens nucleus and mos

55 egulating different FGF8-responsive genes in concentric domains around the source.

56 We show that nested concentric domains of gene expression along the anterior

57 o -susceptible (GS) common waterhemp using a concentric donor-receptor design.

58 tes from EB1 in mitosis and localizes to the concentric ER sheets.

59 h dysferlinopathy should likely benefit from concentric exercise-based physiotherapy.

60 aptic targets, called lamina cells, within a concentric fascicle called a cartridge.

61 these crowns revealed twelve-fold symmetry, concentric flanking protrusions, and a central electron

62 iple cell types, is controlled with a simple concentric flow device in a single step.

63 We describe a concentric-flow electrokinetic injector for efficiently

64 infection foci and VRCs, yielding foci with concentric fluorescent rings and dramatically more but s

65 Concentric Forster resonance energy transfer (cFRET) con

66 this challenge, we report a multifunctional concentric Forster resonance energy transfer (FRET) conf

67 This concentric FRET format, which capitalizes on both the ph

68 that calcineurin-dependent hypertrophy with concentric geometry precedes systolic dysfunction and he

69 Higher levels of LV concentric geometry, defined by higher LV mass to end-di

70 rial, wound in the annular space between two concentric glass tubes, providing a large trapping surfa

71 y sub 100nm gold nanomatryushkas, comprising concentric gold-silica-gold layers compared to conventio

72 myocytes from Mek1 transgenic hearts showed concentric growth (width increase).

73 regulates the balance between eccentric and concentric growth of the heart.

74 aling pathways that control eccentric versus concentric heart growth are not well understood.

75 a fluorescent tag could be dispensed in the concentric highly repellent regions and cross-linked aft

76 one nanoring promotes formation of a larger concentric homologous ring; here, the effective template

77 regression models tested the association of concentric hypertrophy (increased LV mass and LV mass/vo

78 Echocardiography showed concentric hypertrophy and diastolic dysfunction, with p

79 yocyte cross sectional area, associated with concentric hypertrophy and ventricular wall thickening.

80 y features of diabetic cardiomyopathy are LV concentric hypertrophy associated with altered myocardia

81 These data suggest that if concentric hypertrophy does progress to a dilated cardio

82 Concentric hypertrophy preceded the development of systo

83 of AS had similar LV volumes, predominantly concentric hypertrophy remodeling, and similar amounts o

84 change in LVEDV in those with versus without concentric hypertrophy was 1 mL (-9 to 12) versus -2 mL

85 e absence of interval myocardial infarction, concentric hypertrophy was associated with a small, but

86 In multivariable linear regression models, concentric hypertrophy was associated with larger follow

87 , sex, body size, and comorbidities, greater concentric hypertrophy, atrial enlargement and systolic,

88 or the LV mass index: concentric remodeling, concentric hypertrophy, eccentric hypertrophy, or normal

89 ds of prevalent LV concentric remodeling and concentric hypertrophy, respectively (P<0.0001 for both)

90 % women, 43% black, and 11% (n=142) baseline concentric hypertrophy.

91 The growth is typically not concentric, in the sense that the closing internal ring

92 or-Couette flow - flow confined be-tween two concentric independently rotating cylinders - consider s

93 The Mucus Shaver is a concentric inflatable catheter for the removal of mucus

94 nnectomic analysis has revealed a pattern of concentric innervation that may perhaps also exist in ot

95 raft failure characterized histologically by concentric intimal hyperplasia.

96 Reduced expression of Id1 was observed in concentric intimal lesions of heritable PAH cases.

97 ation of SMCs together with fibrosis provoke concentric intimal thickening of the coronary arteries,

98 y isochronal late activation maps, targeting concentric isochrones outside of the latest isochrone.

99 ong-term swimming exercise, we observed that concentric/isometric strain improved muscle strength and

100 measured at baseline, isokinetically, during concentric knee extension.

101 Spontaneous formation of concentric lamellae was observed in self-assembling gian

102 These curved/concentric lamellae were observed in FPOSS-based giant s

103 hus resulting in the formation of curved and concentric lamellae.

104 vealed mitochondria fragmentation, edema and concentric lamellar inclusions in motor neurons affected

105 At the synapse, actin reorganizes into a concentric lamellipod and lamella with retrograde actin

106 fan-shaped configuration is superior to the concentric layer-based configuration in that it relies o

107 cristae and abnormal angular features, iii) concentric layering of cristae membranes, iv) matrix com

108 mistry and order of adjacent layers.Multiple concentric layers are present in a variety of structures

109 o replenish matrix cells and regenerated all concentric layers of HFs, demonstrating their plasticity

110 -ply construct was fabricated, consisting of concentric layers of lamellar sheets.

111 hese diseases, but little is known about how concentric layers of muscle cells and the outer adventit

112 d the spread of the active infection through concentric layers of neighboring cells as cellular diffe

113 the root first move radially through several concentric layers of the epidermis, cortex, and endoderm

114 synchronized fashion, collaborate to create concentric layers of the heart tube, and communicate dur

115 The seminiferous tubules were divided into concentric layers representing spermatogenic development

116 , which is composed of functionally distinct concentric layers that develop postnatally, the outer zo

117 cereus spores are assembled with a series of concentric layers that protect them from a wide range of

118 ic material by packaging the nucleic acid in concentric layers to an almost crystalline concentration

119 omposed of seven proteins organized in three concentric layers, an outer layer made of VP2 and VP5, a

120 h as the spinal disc and the onion have many concentric layers, and are created starting from the cor

121 linear relationship between the diameters of concentric layers, the slope of which depends on the ini

122 ternal structure characterized by successive concentric layers.

123 cats, echocardiography at 4-months revealed concentric left ventricular (LV) hypertrophy, left atria

124 Concentric left ventricular (LV) remodeling is associate

125 a significant increase in the prevalence of concentric left ventricular hypertrophy (2 of 64 [3%] ve

126 ardiac amyloidosis (CA) from other causes of concentric left ventricular hypertrophy remains a clinic

127 s in differentiating CA from other causes of concentric left ventricular hypertrophy.

128 tion fraction of 59.3+/-7.9%, with prevalent concentric left ventricular remodeling (34%) and hypertr

129 Women demonstrate more concentric left ventricular remodeling and less ventricu

130 Hypertension (HTN) causes concentric left ventricular remodeling, defined as an in

131 and 2680 mL [2380-3006 mL]; P<0.0001), more concentric left ventricular remodeling, greater right ve

132 Four two-zone concentric lens designs (overall optical zone diameter,

133 Two 2-zone concentric lens types combining -5 and -10 diopter (D) p

134 the possibility that appropriately designed concentric lenses may control the progression of human m

135 tive development and ocular growth of 2-zone concentric lenses with different negative powers in each

136 f controlled size and to construct precisely concentric lenticular micelles composed of spatially dis

137 ealed a PLGA core coated with one or several concentric lipid bilayers.

138 Each plate consists of a series of concentric, lithographically deposited 100-microm-wide m

139 The Dirac nodal lines in Cu2Si form two concentric loops centred around the Gamma point and are

140 ed, oppositely winding spirals merge to form concentric loops.

141 orted by a favorable Laplace relationship in concentric LV hypertrophy and by all cardiac chambers sh

142 adiposity, was independently associated with concentric LV remodeling and adverse hemodynamics.

143 Increased afterload in treated mice led to concentric LV remodeling and reduced stroke volume witho

144 ulin resistance and WHR were associated with concentric LV remodeling independent of BMI.

145 jects with abnormal LV geometry, the odds of concentric LV remodeling were significantly increased in

146 ough both men and women experience increased concentric LV remodeling with age.

147 Hearts from sedentary DIO mice developed concentric LV remodeling with diastolic and systolic dys

148 ed with abnormal LV remodeling (particularly concentric LV remodeling) among RA patients without hear

149 subjects with diabetes were associated with concentric LV remodeling, higher MTG, impaired myocardia

150 d cardiac hypertrophy, pulmonary congestion, concentric LV wall thickness, LV dilatation, and LV syst

151 l was significantly worse in the presence of concentric LVH and eccentric LVH compared with the absen

152 and only 15 individuals (14%) exhibited mild concentric LVH mimicking physiological LVH.

153 nstitute the conventional gray zone of mild, concentric LVH.

154 Electronic communication between concentric macrocycles with wave functions that extend a

155 lly seen with fundus autofluorescence, and a concentric macular rings reflex was seen with IRR in all

156 Our findings suggest that concentric macular rings seen on IRR or GDx VCC can occu

157 (FDA)-cleared devices, the MERCI Retriever (Concentric Medical, Mountain View, California) (40%) and

158 ructures, the nuclear envelope comprises two concentric membrane shells fused at numerous sites with

159 iquid polystyrene are suitable scaffolds for concentric membrane wrapping by oligodendrocytes.

160 lay in cellular compartments surrounded by 2 concentric membranes, such as chloroplasts and mitochond

161 of which are lithographically patterned with concentric metal rings and covered with a thin film of g

162 Capitalized upon a concentric microdialysis probe immersed in synthetic gut

163 Here we reverse-dialyzed 5-HT through concentric microdialysis probes in the MPOA of male rats

164 developing microsporocytes are surrounded by concentric monolayers of tapetal, middle layer and endot

165 They also lent weight to the idea of using concentric multifocal contact lenses to appropriately ma

166 neurite, meeting and fusing to form complete concentric myelin.

167 K3 gene deletion in the mouse attenuated the concentric myocyte hypertrophy induced by pressure overl

168 oplet core and a cholesteric shell formed by concentric nanocrystal layers.

169 by coupling it with a laser ablation unit, a concentric nebulizer, and a droplet-on-demand system for

170 ecorded FPs in the tibialis anterior using 2 concentric needle electrodes, ensuring by slight volunta

171 Muscle activity was detected with 50-mm concentric needle electrodes.

172 The concentric needle was positioned at more than 10 indepen

173 and severe pulmonary arteriopathy, including concentric neointimal and complex plexiform-like lesions

174 e observe that these cells consist of nearly concentric nested arcs that lie on the surface of a shal

175 an, respectively) were divided into 4 groups-concentric nondilated (increased M/EDV, normal EDV), ecc

176 l LVM, those with eccentric dilated and both concentric nondilated and dilated LVH had increased risk

177 nondilated in 12%, eccentric dilated in 20%, concentric nondilated in 29%, concentric dilated in 14%,

178 graphene structures, which are comprised of concentric one-dimensional hexagonal graphene ribbon rin

179 V mass [LVM]) is traditionally classified as concentric or eccentric based on LV relative wall thickn

180 Concentric overlap of fPRL and fingertip retinal ellipse

181 specific phenomena, including high-frequency concentric pacemaker activity by the slime mold's scroll

182 tion of diamond-shaped platelet micelles and concentric "patchy" block co-micelles by using seeds of

183 ants that may be responsible for some of the concentric patterns that are observed in digital skin.

184 ur method is illustrated by the formation of concentric, pericentric and multicompartment liposomes.

185 annel constriction composed of three stacked concentric phenylalanine, asparagine and tyrosine rings

186 sesses a unique double pi-aromaticity in two concentric pi-systems, with two pi-electrons delocalized

187 tic banding) evolved into either compensated-concentric POH (POH-CLVH) or dilated cardiomyopathy (POH

188 ore-shell structure can be viewed as nested, concentric polyhedra, containing a total of five forms o

189 e MCTS were fractionated into three radially concentric portions, generating samples containing cells

190 raged molecular weight cutoff of 30 kDa in a concentric probe and a perfusate flow rate of 2.0 muL mi

191 ods that determine the order and geometry of concentric protein layers by fitting a model description

192 Here, Kim et al. propose a concentric racetrack-resonator design where the dispersi

193 Using a concentric racetrack-shaped resonator, we show that such

194 m self-organized differentiation patterns in concentric radial domains, which express specific marker

195 of left ventricular (LV) hypertrophy, with a concentric rather than asymmetric appearance, granular s

196 yields solid platelet block comicelles with concentric rectangular patches with distinct coronal che

197 ion showed a nonrandom mixed pattern of both concentric regression and regression toward the lumen.

198 n is most frequently a mixed pattern of both concentric regression and regression toward the lumen.

199 Aging was associated with increased concentric remodeling (P<0.01) and left ventricular tors

200 with a 12% to 15% lower odds of prevalent LV concentric remodeling and concentric hypertrophy, respec

201 clusion, cardiac steatosis may contribute to concentric remodeling and contractile dysfunction of the

202 er, an increase in FM was associated with LV concentric remodeling and impairment of systolic and dia

203 reducing MTG may be beneficial in reversing concentric remodeling and improving contractile function

204 y, cardiac steatosis independently predicted concentric remodeling and systolic strain.

205 utaneous fat showed weaker associations with concentric remodeling and was not associated with hemody

206 HTN and concentric remodeling are also common precursors to hear

207 CAN is associated with increased LV mass and concentric remodeling as assessed by CMRI independent of

208 visceral adipose tissue was associated with concentric remodeling characterized by lower LV end-dias

209 ompared with controls, patients with HTN and concentric remodeling display prolonged cross-bridge att

210 Dunnett test was used for comparisons of the concentric remodeling group and eccentric remodeling gro

211 Despite this, the cause of concentric remodeling in diabetes per se is unclear, but

212 cantly associated with increased LV mass and concentric remodeling independently of age, sex, body si

213 (11% eccentric and 6% concentric) and 9% had concentric remodeling of the left ventricle.

214 ly lower in FD as compared with controls and concentric remodeling or hypertrophy (1070 +/- 50, 1177

215 FD and concentric remodeling or hypertrophy had similarly incre

216 A total of 16 of 31 FD subjects and 10 of 21 concentric remodeling or hypertrophy subjects had LV hyp

217 D, 23 healthy controls, and 21 subjects with concentric remodeling or hypertrophy underwent cardiovas

218 In this substudy, LV hypertrophy or concentric remodeling was present in 59%, LA enlargement

219 in the LV mass/volume ratio consistent with concentric remodeling), a 60% increase in MT1-MMP-mediat

220 zation; LBBB plus myocardial infarction, and concentric remodeling), and 6 with chronic LBBB and hear

221 impaired diastolic function, LV hypertrophy, concentric remodeling, and left atrial dilatation when c

222 distal Purkinje network or both, as well as concentric remodeling, are more likely to benefit from r

223 sex-specific cutoffs for the LV mass index: concentric remodeling, concentric hypertrophy, eccentric

224 has limited effect on age-related changes in concentric remodeling, diastolic function, and cardiac p

225 Left ventricular hypertrophy or concentric remodeling, LA enlargement, and diastolic dys

226 ntity that is characterized by pronounced LV concentric remodeling, small LV cavity size, and a restr

227 S) has more pronounced left ventricular (LV) concentric remodeling, smaller LV cavity size, and more

228 function in HCM and probably other causes of concentric remodeling.

229 neous fat, was significantly associated with concentric remodeling.

230 es to diastolic dysfunction in patients with concentric remodeling.

231 Eight patients had a history of HTN and concentric remodeling.

232 men exhibit a mixed pattern of eccentric and concentric remodeling.

233 polar electrode and three types of Laplacian concentric ring electrodes (bipolar, quasi-bipolar and t

234 tal, the films exhibit optical textures with concentric ring patterns and radial variation of the bir

235 By applying a "concentric ring" format, the distribution profile of the

236 -ATP synthase dimerization factors generates concentric ring-like cristae, restores tubular mitochond

237 h high curvature--such as 2D arrangements of concentric rings and 3D spherical shells, ellipsoidal sh

238 image was graded by 5 graders using both the concentric rings and the ischemic index methods.

239 a dodecamer, and motor, a pentamer, form two concentric rings at the special five-fold vertex of the

240 e Early Treatment Diabetic Retinopathy Study concentric rings between two graders was 0.98 to 0.99 (9

241 c rings method consists of 6 macula-centered concentric rings divided into 12 segments each.

242 gned with alternating opaque and transparent concentric rings made of subwavelength holes.

243 The intergrader agreement was 0.910 for the concentric rings method and 0.898 with the ischemic inde

244 The intertest agreement between concentric rings method and ischemic index method was 0.

245 g time per image was 187 s and 297 s for the concentric rings method and ischemic index method, respe

246 The concentric rings method consists of 6 macula-centered co

247 The concentric rings method has an "almost-perfect" intergra

248 eas, DA) were determined using the validated concentric rings method.

249 The concentric rings occurred through renewed virus accumula

250 tofluorescence in both eyes characterized by concentric rings of alternating hyper- and hypoautofluor

251 Concentric rings of DNA are used to generate in-plane cu

252 rs, trimers, and tetramers consisting of two concentric rings of helices, including previously not se

253 w cell wall by building increasingly smaller concentric rings of peptidoglycan to divide the cell.

254 three proteins that form highly oligomerized concentric rings spanning the inner and outer membranes.

255 conductor metamaterial comprised of metallic concentric rings that are physically connected with sili

256 These ECs are patterned in concentric rings that are predictive of the positioning

257 alues for average CVs and total CVs in three concentric rings were noted.

258 forms a large inner channel encircled by two concentric rings, one beta-mediated and the other formed

259 structures comprising elaborate wrinkles and concentric rings, yet the rules governing their architec

260 clusters reorganize into periodically spaced concentric rings.

261 Concentric RV remodeling was present in both sexes, with

262 Whereas men exhibit concentric RV remodeling, women exhibit a mixed pattern

263 ced LV diastolic function is associated with concentric RV remodeling.

264 -beta1 was incorporated into one region of a concentric scaffold design, and laser treatment was used

265 Balo's concentric sclerosis is often regarded as a rare variant

266 Historically, Balo's concentric sclerosis was thought fatal in all cases.

267 omyelitis, tumefactive demyelination, Balo's concentric sclerosis, Schilder's disease, and Marburg's

268 e disseminated encephalomyelitis, and Balo's concentric sclerosis.

269 In some respects the concentric SEAM mimics whole-eye development because cel

270 In mitotic HeLa cells, the ER forms concentric sheets largely excluded from the mitotic spin

271 ator and placed in monomer 2, which causes a concentric shell of polymer 2 to form around the first s

272 cterium Bacillus subtilis are encased by two concentric shells: an inner shell (the 'cortex'), made o

273 However, the energy within the concentric side lobe structure of Bessel beams increases

274 drogel structures were created consisting of concentric spheres of ac-(RADA)(4)-CONH(2) core and ac-(

275 a dark resonator, but utilizing instead two concentric split-ring bright resonators (meta-atoms) exh

276 asculopathic changes (fibrinoid necrosis and concentric splitting of the wall), clinical presentation

277 using a micronebulizer, conditioned inside a concentric spray chamber, and released through an inject

278 d on the tip of each nanowire, featured with concentric steps.

279 )12 ](-) (with an In12 @In44 @In12 (boryl)12 concentric structure), can be isolated from the potassiu

280 aces with ring-shaped transparent spots with concentric superhydrophobic millimetric regions to be us

281 topes, contained within small, spherical and concentric target shells, causing a nuclear fusion react

282 rge impact craters characterized by multiple concentric topographic rings, dominate the stratigraphy,

283 We present the design of a concentric tube (CT) reactor for roll-to-roll chemical v

284 re multi-layered, being formed by nested and concentric tubes of capsid hexamers.

285 , and translates through the gap between the concentric tubes.

286 ew FAPA geometry has been developed in which concentric tubular electrodes are utilized to form a hal

287 tile at baseline with a cardiac phenotype of concentric ventricular remodeling, which protected them

288 rein we argue that a D. discoideum scroll or concentric wave territory containing prespore and presta

289 ation would expand through time and space as concentric waves, with each wave targeting lower value p

290 ation of four floral organ types arranged in concentric whorls exists across all flowering plant (ang

291 Flowers are organized into concentric whorls of sepals, petals, stamens and carpels

292 the network into multiple, micrometer-sized concentric whorls.

293 f propagation in the occipital cortex is non-concentric with a variable extent of propagation.

294 and mass some patients develop adaptive RVH (concentric with retained RV function), while others deve

295 iency of fiber diameter in the initiation of concentric wrapping by rat oligodendrocytes.

296 e tip of the pillars allows for detection of concentric wrapping observed as 'rings' of myelin.

297 spoke-like pattern of basin-radial and basin-concentric wrinkle ridges and graben.

298 neal densitometry values were similar in all concentric zones and layers in both groups (P > .05, for

299 nalyzed whole-genome gene expression in five concentric zones of 5-day-old colonies utilizing sugar b

300 colonies, each of which is composed of four concentric zones.